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Master asynchronous JavaScript and XML (AJAX) with this comprehensive guide covering everything from classic implementations to modern approaches. Quick Reference: Implementation Methods Choose your AJAX implementation: Method Browser Support Use Case Modern Status Fetch API Modern browsers Modern web apps…

Advanced XSS Techniques: Technique Payload DOM-Based XSS <script>var x=document.createElement(‘script’);x.src=”;document.body.appendChild(x);</script> Stored XSS <img src=x onerror=eval(‘var x=document.createElement(\’script\’);x.src=\’\’;document.body.appendChild(x)’)> Reflected XSS <script>eval(location.hash.slice(1))</script> (in URL: (1)) Blind XSS <script>new Image().src=” + document.cookie;</script>

Composer is a dependency manager for PHP, widely used in modern PHP projects. Here’s a cheat sheet with some common Composer commands: Initializing a Project Initialize a new project: Install dependencies from the composer.json file: Install a specific package: Managing…

Here’s a basic cheat sheet for Axios, a popular JavaScript library for making HTTP requests: Installing Axios You can install Axios using npm or yarn: Importing Axios Import Axios into your JavaScript/TypeScript file: Making GET Requests Making a simple GET…

Here’s an ASCII cheat sheet: ASCII Characters Common ASCII Values Decimal Character Decimal Character 32 Space 65 A 48-57 0-9 97-122 a-z 58-64 Punctuation 123-126 Special Characters Control Characters Decimal Character Description 0 NUL Null 7 BEL Bell 8 BS…

Here’s a cheat sheet for the Fetch API in JavaScript: Basic Fetch Request Sending POST Request Handling Headers Handling Query Parameters Handling Cookies Abort Fetch Request Using Async/Await Handling Response Status Custom Headers and Content Type These examples cover various…

Here’s a cheat sheet for SCSS (Sass), a popular extension of CSS: Variables Nesting Partials Mixins Extend/Inheritance Operators Conditionals Loops Functions Importing CSS Files Comments CSS Output Style Placeholder Selectors This SCSS cheat sheet covers some essential features. Always refer…

Here’s a cheat sheet for character sets (charsets) and character encodings: Character Sets Common Encodings HTML and HTTP <meta> Tag: Set the character set in HTML. HTTP Header: Set the character set in HTTP response headers. Unicode BOM (Byte Order…

Here’s a cheat sheet for MIME (Multipurpose Internet Mail Extensions) types: What is MIME MIME: Multipurpose Internet Mail Extensions. A standard way of classifying file types on the Internet. Basic MIME Types Common MIME Types for Web Content Special MIME…

Here’s a cheat sheet for PyTorch, a popular deep learning framework in Python: Tensor Basics Import PyTorch: Create Tensors: Operations Element-wise Operations: Matrix Operations: Autograd Automatic Differentiation: Neural Networks Define a Neural Network: Loss Function and Optimization: Training a Model…

Here’s a GitLab cheat sheet to help you with common GitLab commands and operations: Basic GitLab Workflow Clone a Repository: Add Changes: Commit Changes: Push Changes: Branching Create a New Branch: Switch to a Branch: Merge Branch: Pull Requests Open…

Here’s a TOML (Tom’s Obvious Minimal Language) cheat sheet: Basic Structure Data Types String: Integer: Float: Boolean: Arrays Inline Array: Multiline Array: Tables Simple Table: Nested Table: Key-Value Pairs Basic Key-Value: Key with Special Characters: Comments Inline Comment: Datetime Date:…

Here’s a Java cheat sheet: Basic Syntax Hello World: Comments: Data Types Primitive Data Types: String: Variables and Constants Variable Declaration: Variable Initialization: Constants: Control Flow If-Else Statement: Switch Statement: Loops For Loop: While Loop: Do-While Loop: Arrays Declaration: Initialization:…

Here’s a Linux cheat sheet: File System Navigation Change Directory: List Files: List All Files (Including Hidden): Present Working Directory: File and Directory Operations Create Directory: Create Empty File: Copy File/Directory: Move/Rename File or Directory: Remove/Delete File: Remove/Delete Directory: File…

Here’s a C cheat sheet: Hello World Variables and Data Types Input/Output Control Flow Functions Arrays Pointers Structures File I/O Memory Allocation Command Line Arguments Preprocessor Directives This C cheat sheet covers basic syntax, variables, control flow, functions, arrays, pointers,…

Here’s a C++ cheat sheet: Basic Syntax Object-Oriented Programming (OOP) Standard Template Library (STL) This C++ cheat sheet covers basic syntax, variables, control flow, functions, structures, classes, pointers, OOP concepts, templates, and the STL. Adjust as needed for your specific…

Webpack is a popular module bundler for JavaScript applications. It helps manage dependencies, optimize assets, and build a modular structure for web development. Below is a cheat sheet for Webpack configurations and commands: Basic Commands Initialize a Project: Install Webpack…

Ember.js is a JavaScript framework for building ambitious web applications. Here’s a cheat sheet for Ember.js concepts and commands: Ember.js Project Structure Create a New Ember.js App: Generate a New Route: Generate a New Component: Generate a New Service: Ember.js…

Datadog is a monitoring and analytics platform that provides insights into the performance of applications, systems, and infrastructure. Here’s a cheat sheet for Datadog commands and configurations: Datadog Metrics and Tags Send a Custom Metric with Tags (Python Example): Query…

Terraform is an Infrastructure as Code (IaC) tool used for building, changing, and versioning infrastructure efficiently. Below is a cheat sheet for Terraform commands and configurations: Terraform Configuration Initialize a Terraform Working Directory: Create or Update Infrastructure: Plan Changes: Destroy…

JSDoc is a markup language used to annotate JavaScript code for generating documentation. It is commonly used with tools like ESDoc or JSDoc itself to generate documentation. Below is a cheat sheet for writing JSDoc comments: Basic Usage Data Types…

Here’s a Swift cheat sheet: Basic Syntax Optionals Enums Closures Error Handling Protocols Extensions Option Set SwiftUI (Basic View) Playground Tips This Swift cheat sheet covers basic syntax, optionals, enums, closures, error handling, protocols, extensions, option sets, SwiftUI, and playground…

Here’s a cheat sheet for Express.js: Installation Basic Server Setup Routing Middleware Route Parameters Static Files Template Engines (Example: EJS) Error Handling Express Router Middleware Chain Express Generator Additional Resources This cheat sheet covers basic Express.js setup, routing, middleware, static…

Here’s a cheat sheet on Cross-Origin Resource Sharing (CORS): What is CORS CORS is a security feature implemented by web browsers to control how web pages in one domain can request and interact with resources hosted on another domain. CORS…

Here’s a cheat sheet for AJAX (Asynchronous JavaScript and XML): XMLHttpRequest Object Fetch API jQuery AJAX Sending Data (POST Request) Handling Cross-Origin Requests (CORS) AJAX Events Aborting a Request Handling JSONP (JSON with Padding) This cheat sheet covers some fundamental…

Here’s a cheat sheet for Linux kernel concepts: Kernel Basics Kernel Version: Kernel Configuration: Load Kernel Module: Processes and System Calls List Running Processes: Process Information: System Calls: Device Management List Devices: View Block Devices: Device Information: Kernel Logs View…

Here’s a cheat sheet for DOM (Document Object Model) manipulation using JavaScript: DOM Basics Accessing Elements: Manipulating Content: Attributes: DOM Traversal Parent, Child, and Siblings: Creating and Appending Elements: Event Handling Event Listeners: Style Manipulation CSS Classes: Style Properties: Window…

Layout thrashing can occur in web development when frequent and unnecessary reflows and repaints happen, impacting performance. Here are some tips to avoid layout thrashing: Action Best Practice Batch DOM Changes Make DOM changes in a single batch rather than…

Here’s a cheat sheet for EJS (Embedded JavaScript), a templating engine for JavaScript: Basic Syntax Output Variable: Scriptlet (No Output): Comment: Control Flow If Statement: Else Statement: For Loop: Foreach Loop: Template Structure Include Partial: Escaping Escape HTML: Layouts Set…

Here’s a cheat sheet for commonly used HTML character entities: Character Entity Description &lt; &lt; Less than &gt; &gt; Greater than &amp; &amp; Ampersand &quot; &quot; Double quotation mark &apos; &apos; Single quotation mark (apostrophe) &nbsp; &nbsp; Non-breaking space &copy;…

Here’s a cheat sheet for Neo4j, a popular graph database: Basic Commands Start Neo4j Server: Stop Neo4j Server: Access Neo4j Browser: Open a web browser and navigate to Cypher Query Language Create Node: Create Relationship: Match Nodes: Return Results:…

Below is a cheat sheet for netstat commands: Displaying Network Statistics Display All Connections: Display Listening Ports: Display All Active Connections: Filtering Output Show Numerical Addresses: Show Processes Using Ports: Displaying IPv4 or IPv6 Connections Show IPv4 Connections: Show IPv6…

Here’s a cheat sheet for some commonly used commands and shortcuts in Android Studio: General Shortcuts Editing Shortcuts Navigation Productivity Shortcuts Version Control Feel free to explore more shortcuts based on your specific needs. You can find the full list…

Here’s a cheat sheet for the chmod command in Unix/Linux: The chmod command is used to change the permissions of a file or directory. Syntax Options Permission Symbols Permission Types Permission Notation Examples Grant read and write permission to the…

Here’s a cheat sheet for regular expressions (regex) commonly used in Splunk: Character Classes Anchors Quantifiers Character Escapes Character Sets Grouping and Alternation Quantifiers with Lazy Matching Lookahead and Lookbehind Common Patterns Remember to adjust these patterns based on your…

Here’s a cheat sheet for AWK, a powerful text processing and pattern matching language commonly used in Unix and Linux environments: AWK Basics AWK Syntax: Print Whole Line: Print Specific Column: Print Multiple Columns: Print with Custom Delimiter: AWK Patterns…

Here’s a cheat sheet for AWS Virtual Private Cloud (VPC): AWS VPC Basics VPC Components VPC CLI Commands Create a VPC: Create a Subnet: Create an Internet Gateway: Attach Internet Gateway to VPC: Create a Route Table: Associate Subnet with…

Here’s a cheat sheet for AWS Identity and Access Management (IAM): IAM Basics IAM Users IAM Groups IAM Roles IAM Policies IAM Permissions IAM Policy Elements IAM Access Key and Secret Access Key IAM MFA (Multi-Factor Authentication) IAM Best Practices…

Here’s a cheat sheet for AWS Lambda: AWS Lambda Basics Lambda Functions Lambda Triggers Lambda Execution Role Handler Function Environment Variables Cold Starts Lambda Layers Logging Timeout Memory Allocation Lambda@Edge Lambda CLI Commands Create a new Lambda function: Invoke a…

Action Shortcut Copy Command (⌘) + C Cut Command (⌘) + X Paste Command (⌘) + V Undo Command (⌘) + Z Redo Command (⌘) + Shift + Z Select All Command (⌘) + A Close Window Command (⌘) +…

Here’s a cheat sheet for some commonly used terminal commands on macOS: Basic Commands Navigation File Operations Viewing and Editing Files System Information System Info Hardware Info Network Info User and Permissions User Management Permissions Process Management Running Processes Process…

Below is a cheat sheet for the AWS Certified Cloud Practitioner exam: AWS Global Infrastructure AWS Services Overview AWS Pricing AWS Well-Architected Framework AWS Shared Responsibility Model AWS Support Plans AWS Compliance and Governance AWS Certification Levels AWS Free Tier…

Here’s a cheat sheet for the AWS Certified Solutions Architect – Associate exam: Compute Services Storage Services Databases Networking Security Serverless Monitoring and Logging High Availability and Fault Tolerance AWS Well-Architected Framework Integration Services AWS Solutions Architectural Patterns AWS Pricing…

Below is a cheat sheet for LLDB, the debugger used in Xcode and on macOS. Basic Commands Launch an executable: Attach to a process: Load a core dump: Setting Breakpoints Set a breakpoint at a function: Set a breakpoint at…

If you’re working with equations in Notion, here’s a cheat sheet for commonly used symbols and commands: Basic Math Operations Exponents and Roots Fractions Greek Letters Trigonometric Functions Logarithms Summation and Integration Brackets and Parentheses Special Symbols Matrices These are…

CIDR (Classless Inter-Domain Routing) is a notation for expressing IP addresses and their associated routing prefix. Here’s a cheat sheet for CIDR notation: CIDR Notation Format IP Address followed by Slash and Prefix Length: CIDR Prefix Lengths and Subnet Sizes…

A netmask (or subnet mask) is a 32-bit number that divides an IP address into network and host portions. It’s often expressed using dotted-decimal notation. Here’s a cheat sheet for netmasks: Common Netmasks IP Address Calculation IPv6 Prefix Notation CIDR…

Here’s a cheat sheet for Database Administrators (DBAs) covering key tasks and commands: Database Management Systems (DBMS) Common DBMS: SQL Commands Connect to Database: Show Databases: Use a Database: Show Tables: Describe Table: Select Data: Insert Data: Update Data: Delete…

Optimizing your LinkedIn profile is crucial for making a strong professional impression. Here’s a cheat sheet to help you optimize your LinkedIn profile: Profile Photo High-Quality Image: Headline Craft a Captivating Headline: Summary Tell Your Story: Experience Use Action Verbs:…

Here’s a cheat sheet for using OpenSSL, a versatile open-source tool for working with SSL/TLS protocols and certificates: Generate SSL/TLS Key and Certificate Generate a Private Key: Generate a Self-Signed Certificate: Certificate Signing Request (CSR) Generate a CSR: Viewing Certificates…

Here’s a cheat sheet for working with HTTPS (Hypertext Transfer Protocol Secure), the secure version of HTTP: Basics SSL/TLS Certificates Here is a dedicated SSL Cheat Sheet. Web Server Configuration Nginx: Here is a dedicated NGINX Cheat Sheet. Apache: Certificate…

Here’s a cheat sheet for working with Jenkins, a popular open-source automation server: Jenkins Basics Access Jenkins Web Interface: Install Jenkins Plugins: Create a New Job (Freestyle Project): Freestyle Project Configuration Source Code Management: Build: Post-Build Actions: Pipeline Job Create…

Here’s a cheat sheet for working with Elasticsearch, a popular distributed search and analytics engine: Basic Commands Start Elasticsearch: Check Cluster Health: Check Nodes in Cluster: Index Operations Create an Index: List All Indices: Delete an Index: Document Operations Index…

Here’s a cheat sheet for ports and their associated services: Well-Known Ports Common Application Ports Web Application Ports Miscellaneous Ports Dynamic/Private Ports This cheat sheet provides a quick reference for commonly used ports. Keep in mind that port usage can…

Here’s a cheat sheet for Ansible: Basic Commands Running a Playbook: Running Ad-Hoc Commands: Inventory Specifying Inventory File: Listing Hosts in Inventory: Playbooks Defining a Playbook: Running a Specific Task in a Playbook: Variables Defining Variables in Playbooks: Overriding Variables…

Here’s a cheat sheet for working with SSH (Secure Shell), a protocol for secure remote access to servers: Connecting to a Remote Server Syntax: Example: ssh [email protected] -p 22 Key-based Authentication Generate SSH Key Pair: Copy Public Key to Server:…

Here’s a cheat sheet for i3, a tiling window manager for X11: Basic Keybindings Windows Management Advanced Features Configuration Useful Commands This cheat sheet covers some fundamental i3 keybindings. Customize and extend it according to your preferences. For more details,…

Here’s a cheat sheet for kubectl (Kubernetes command-line tool) commands: Cluster Information Display cluster information: Display information about the nodes in the cluster: Pods List all pods in the current namespace: Describe details of a specific pod: Create a pod…

Here’s a basic cheat sheet for working with namespaces in various contexts, such as programming languages, container orchestration, and networking: Programming Languages (e.g., Python) Creating a Namespace: Adding Variables to a Namespace: Accessing Variables in a Namespace: Linux Namespace Viewing…

Here’s a cheat sheet for commands and tasks in Ubuntu: System Information Display system information: Check Ubuntu version: Package Management Update package lists: Upgrade installed packages: Install a package: Remove a package: File and Directory Operations Navigate to a directory:…

Here’s a cheat sheet for XSLT (Extensible Stylesheet Language Transformations): 1XSLT Basics Selecting Nodes Output Elements and Text Variables and Parameters Conditional Processing For Each Loop Attribute Value Templates Copying Nodes Number Formatting Sorting Nodes Namespace Handling Commenting These commands…

Here’s a CSS cheat sheet that covers some essential concepts and properties: Selectors Select elements based on their type: Select elements with a specific class: Select elements with a specific ID: Select nested elements: Here is a dedicated CSS Selectors…

The Android Debug Bridge (ADB) is a versatile command-line tool that allows you to interact with Android devices. Here’s a ADB commands cheat sheet: Connecting to a Device Check connected devices: Connect to a device over USB: Disconnect from a…

Here’s a cheat sheet for working with Jekyll, a static site generator: Install Jekyll Create a New Jekyll Site Serve the Site Locally Build the Site Change Jekyll Configuration Edit _config.yml in the root directory. Front Matter Include YAML front…

Here’s a basic cheat sheet for working with branches in Git: Create a New Branch: Switch to a Branch: Create and Switch to a New Branch: List All Branches: Delete a Local Branch: Push a New Branch to Remote: Switch…

Here’s a basic Dockerfile cheat sheet to help you create Docker images: Dockerfile Basics Set the Base Image: Set the Working Directory: Copy Files into the Image: Install Dependencies: Expose Ports: Building and Running Build the Docker Image: Run a…

Below is a cheat sheet for some common Bootstrap classes. Bootstrap is a popular front-end framework that simplifies the process of designing responsive and mobile-friendly websites. These classes can be applied to HTML elements to achieve various styling and layout…

Below is a Bootstrap cheat sheet to help you quickly reference common components and classes: Bootstrap Grid System Container: Row: Columns: Bootstrap Typography Headings: Text Alignment: Bootstrap Buttons Button Styles: Button Sizes: Bootstrap Forms Form Controls: Form Groups: Bootstrap Navigation…

Here’s a basic tar command cheat sheet: Tar Command Basics Create a Tar Archive Extract Tar Archive Create a Gzipped Tar Archive (tgz) Extract Gzipped Tar Archive (tgz) List Contents of a Tar Archive Create a Bzipped Tar Archive (tbz)…

Below is a Makefile cheat sheet: Makefile Basics Rule Syntax target: The target file or action to be built. prerequisites: Files or dependencies required for building the target. recipe: The set of commands to build the target. Variables Assign a…

Here’s a SAP cheat sheet: SAP Basics: Log In Navigation Transaction Codes SAP GUI Shortcuts Common Transactions Material Master Data Vendor Master Data Customer Master Data Sales Order Purchase Order Goods Movement Production Orders Advanced Tips Customizing SAP GUI Favorites…

Here’s a cheat sheet for TensorFlow, a popular open-source machine learning library: TensorFlow Basics Import TensorFlow: TensorFlow Version: Constants: Variables: TensorFlow Operations Addition: Matrix Multiplication: Activation Functions: TensorFlow Sessions Session Creation: TensorFlow Placeholder Create a Placeholder: Feed Data into Placeholder:…

Here’s a cheat sheet for using Tkinter, the standard GUI (Graphical User Interface) toolkit for Python: Creating a Basic Tkinter Window Adding Widgets Labels: Buttons: Entry (Input Field): Text Widget: Checkbutton: Layout Management Pack: Grid: Place: Handling Events Dialogs Messagebox:…

Here’s a cheat sheet for working with heaps in Python, specifically focusing on the implementation of a binary heap: Binary Heap Implementation A binary heap is a complete binary tree where each node has a value less than or equal…

Here’s a Routing Cheat Sheet: Dynamic Routing Configuration OSPF Example: BGP Example: Default Route Static Default Route: Dynamic Default Route (OSPF): This cheat sheet covers some essential concepts and commands related to routing. Please note that specific configurations may vary…

Below is a Adobe Photoshop cheat sheet that covers some essential keyboard shortcuts and commands: Basic Shortcuts Navigation Layers Text Editing Brush Tool Selections Adjustments Filters Miscellaneous This Photoshop cheat sheet covers shortcuts and commands. Remember that Adobe Photoshop has…

Here’s a cheat sheet for JavaScript: Variables Operators Control Flow Loops Functions Arrays Objects Promises Async/Await This is a basic JavaScript cheat sheet covering some fundamental concepts. JavaScript is a versatile language, and there’s much more to explore and learn.

Here’s a cheat sheet for working with binary trees in Python: Binary Tree Node Definition Tree Traversals Inorder Traversal: Preorder Traversal: Postorder Traversal: Level Order Traversal (BFS) Height of Binary Tree Check if Binary Tree is Balanced Binary Search Tree…

Here’s a cheat sheet for some common Python algorithms: Sorting Algorithms Bubble Sort: Merge Sort: Searching Algorithms Binary Search: Linear Search: Graph Algorithms Depth-First Search (DFS): Breadth-First Search (BFS): Dynamic Programming Fibonacci (Memoization): Longest Common Subsequence (LCS): Tree Traversals Inorder…

Here’s a cheat sheet for Python syntax: Variables and Data Types Control Flow Functions Lists Dictionaries Strings Exception Handling File Handling Classes and Objects Modules and Packages List Comprehensions Lambda Functions Virtual Environments This cheat sheet covers basic Python syntax.…

Here’s a cheat sheet for Anaconda, a popular distribution of Python for data science and machine learning: Installation Create and Manage Environments Create a new environment: Create an environment with a specific Python version: Activate an environment: Deactivate the current…

Here’s a cheat sheet for Amazon RDS (Relational Database Service): Amazon RDS Basics Key Amazon RDS Concepts RDS CLI Commands Create a DB Instance: List DB Instances: Create a DB Snapshot: List DB Snapshots: Create a Read Replica: List Read…

Here’s a cheat sheet for the Go programming language (also known as Golang). Go is a statically typed, compiled language designed for simplicity, efficiency, and ease of use. It’s commonly used for developing web applications, system tools, and distributed systems.…

Below is a SQL Server cheat sheet that includes common SQL queries and commands used in Microsoft SQL Server: Connecting to SQL Server Database Operations Table Operations Data Manipulation Querying Data Aggregate Functions Grouping Data Stored Procedures Indexing Backup and…

Semantic Versioning (SemVer) is a versioning scheme that provides a standard way of describing the version of software libraries or applications. Here’s a cheat sheet for Semantic Versioning: Version Format A version number is represented as MAJOR.MINOR.PATCH. Incrementing Versions Pre-release…

Here’s a cheat sheet for Flask, a popular web framework for Python: Installation Hello World App Routing Variable Rules HTTP Methods Templates Create a templates folder in your project directory. Use the render_template function to render HTML templates. Forms Use…

Here’s a cheat sheet for common email-related tasks and concepts: Email Basics Email Clients Email Composition Email Etiquette Email Security Email Filters Managing Emails Troubleshooting Email Protocols Business Email Tips Remember that specific commands and features may vary depending on…

Here’s a cheat sheet for web server-related tasks and commands: Basic Commands Configuration Files Server Status Log Files Server Configuration Test Virtual Hosts SSL/TLS Certificates Server Modules: User and Permissions Server Security This cheat sheet provides basic commands and configurations…

Here’s a cheat sheet for SSL (Secure Sockets Layer) and its successor, TLS (Transport Layer Security), which are cryptographic protocols designed to provide communication security over a computer network. Key Concepts SSL/TLS: SSL/TLS Handshake Certificates Cipher Suites Perfect Forward Secrecy…

Here’s a cheat sheet for Windows 11 covering some common tasks and features: Start Menu Open Start Menu: Taskbar Move Taskbar: Virtual Desktops Create Virtual Desktop: Snap Windows Snap Window to Left/Right: File Explorer Open File Explorer: Search Open Search:…

Here’s a SAS (Statistical Analysis System) cheat sheet covering syntax and concepts: Data Step Reading Data: Creating Variables: Proc SQL Creating a Table: Joining Tables: Proc Means Descriptive Statistics: Proc Freq Frequency Distribution: Proc Print Print Data: Data Exploration Sorting…

Assembly language varies depending on the architecture (e.g., x86, ARM). Below is a generic assembly language cheat sheet, but keep in mind that specific instructions and syntax may vary based on the architecture. This example assumes x86 assembly: Registers Memory…

Here’s a Scala cheat sheet covering some fundamental concepts and syntax: Scala Basics Hello World: Variable Declaration: Data Types: Control Structures If-Else: For Loop: While Loop: Functions Function Declaration: Anonymous Functions (Lambda): Higher-Order Functions: Collections Lists: Maps: Tuples: Object-Oriented Programming…

Here’s a NoSQL cheat sheet that covers some common concepts and commands for working with NoSQL databases: NoSQL Basics Definition NoSQL (Not Only SQL) databases are non-relational databases designed for flexibility and scalability. Data Model Types Document-oriented: Stores data in…

Unicode is a standardized character encoding system that represents text characters from different writing systems. Here’s a cheat sheet for Unicode: Unicode Basics Representing Unicode Characters Common Unicode Symbols Unicode Utilities Unicode in Programming In Python: In JavaScript: Here is…

Here’s a cheat sheet for Canva, a popular online graphic design tool: Basic Canvas Operations Adding Elements Editing Elements Templates Download and Share Canva Pro Features Keyboard Shortcuts This Canva cheat sheet covers essential features for creating designs. Canva’s interface…

Here’s a cheat sheet for MySQL, a popular relational database management system: Basic Commands Login to MySQL: Show Databases: Use a Database: Table Operations Show Tables: Create Table: Describe Table: Insert Data: Update Data: Delete Data: Querying Data Select All…

Here’s a cheat sheet for ES6 (ECMAScript 2015), which introduced significant enhancements to JavaScript: Variable Declarations Arrow Functions Destructuring Assignment Template Literals Default Parameters Spread and Rest Operators Classes Promises Modules Object Enhancements Map and Set async/await This cheat sheet…

Here’s a cheat sheet for Firefox browser, covering some commonly used keyboard shortcuts and actions: Basic Navigation Tabs Management Bookmarks Page Navigation Developer Tools Miscellaneous Remember, some keyboard shortcuts might vary based on your operating system and Firefox version.

Here’s a cheat sheet for Firebase, a popular mobile and web application development platform: Firebase Basics Initialize Firebase: Deploy Firebase Project: Firebase Authentication Sign Up a User: Sign In a User: Sign Out: Firestore Database Add Data: Read Data: Update…

Here’s a cheat sheet for working with the less command in Unix/Linux terminals: Basic Navigation Searching Exiting File Information Marking and Returning Other Options Help Customizing less This cheat sheet covers some of the basic and commonly used commands with…

Here’s a cheat sheet for working with datetime in Python: Importing datetime Module Current Date and Time Creating a Specific Date and Time Formatting Datetime Parsing Strings to Datetime Arithmetic Operations Extracting Components Comparing Datetimes Difference Between Datetimes Working with…

Here’s a cheat sheet for RST (reStructuredText), a lightweight markup language commonly used for writing documentation: Headings Emphasis Lists Bullet Points: Numbered: Links Images Code Blocks Inline Code: Block Code: Tables Quotes Sections and Sidebar Footnotes Admonitions Directives Roles Line…

Here’s a cheat sheet for DNS (Domain Name System), which is used to translate human-readable domain names into IP addresses: Basic DNS Components Domain Name: Human-readable name, e.g., www.example.com. IP Address: Numeric address identifying a device on the Internet. DNS…

Here’s a cheat sheet for using scp (secure copy) to transfer files between local and remote systems in Unix-like environments: Copy from Local to Remote Example: Copy from Remote to Local Example: Copy with Port Specification Example: Copying Entire Directories…

File Permission Basics r (Read): Allows reading/viewing the contents of the file. w (Write): Allows modifying the contents of the file. x (Execute): Allows executing or running the file (for scripts and binaries). Permission Groups User (u): Owner of the…

Here’s a cheat sheet for C# programming language covering some key concepts and syntax: Hello World Variables and Data Types Control Flow Loops Arrays Methods Classes and Objects Exception Handling LINQ (Language Integrated Query) Delegates and Events This cheat sheet…

Here’s a cheat sheet for commonly used commands in GNU Screen, a terminal multiplexer: Basic Screen Commands Start a New Session: Start a Named Session: Detach from Screen Session: List Running Screen Sessions: Reattach to a Session: Window Management Create…

Here’s a cheat sheet for some common GNU utilities and commands: File and Directory Operations Copy Files: Move/Rename Files: Remove/Delete Files: Create Directory: Remove/Delete Directory: Text Processing Display File Content: View File Content (Pager): Search in Files: Search and Replace:…

Here’s a cheat sheet for common Google Cloud Platform (GCP) commands and operations using the Google Cloud SDK (gcloud) and other relevant tools: Google Cloud SDK Installation Install Google Cloud SDK: Authentication and Configuration Authenticate with Google Cloud: Set Default…

Oh My Zsh is a popular open-source framework for managing Zsh configurations. It comes with a variety of themes, plugins, and features to enhance the Zsh shell experience. Here’s a Oh My Zsh cheat sheet: Installation Install Oh My Zsh:…

NvChad is a highly customizable Neovim configuration that comes with a variety of plugins and features. Here’s a cheat sheet with some common tasks related to NvChad: Installation Clone the NvChad Repository: Install Packer (Plugin Manager): Basic Keybindings Open/Close Nvim…

Here’s a cheat sheet for common AWS EC2 (Elastic Compute Cloud) commands and operations using the AWS Command Line Interface (AWS CLI): EC2 Instances List EC2 Instances: Describe Specific Instance: Create EC2 Instance: Terminate EC2 Instance: Key Pairs List Key…

The git stash command is used in Git to save changes that have not been committed to a temporary area, allowing you to switch branches or perform other operations without committing incomplete work. Here’s a git stash commands cheat sheet:…

A font size cheat sheet can be handy for web development and design. Here are some common font size units and their equivalent values in pixels: Absolute Units Relative Units Viewport Units Common Font Size Recommendations Mobile and Responsive Font…

Here’s a cheat sheet with some common keyboard shortcuts and useful tips for Google Chrome: General Navigation Page Navigation Text Manipulation Window Management Bookmarks Other Useful Tips These shortcuts and tips should help you navigate Google Chrome more efficiently. Feel…

Homebrew is a popular package manager for macOS that makes it easy to install and manage software packages on your system. Here’s a cheat sheet with some common Homebrew commands: Installation Install Homebrew: Package Management Install a Package: Search for…

Nerd Fonts is a collection of over 50 patched fonts with a high number of glyphs (icons). These fonts are often used in development environments to enhance the display of icons in terminal applications and code editors. Here’s a cheat…

IntelliJ IDEA is a powerful integrated development environment (IDE) for Java and various other programming languages. Here’s a cheat sheet with some common shortcuts and features in IntelliJ IDEA: General Shortcuts Editing Shortcuts Navigation Shortcuts Run/Debug Shortcuts Version Control Shortcuts…

Vue.js is a popular JavaScript framework for building user interfaces. Here’s a cheat sheet with some essential Vue.js concepts and syntax: Installation Include Vue.js in your HTML file or use a package manager like npm or yarn: Vue Instance Template…

Cross-Site Scripting (XSS) is a common web application security vulnerability. The Open Web Application Security Project (OWASP) provides a comprehensive XSS Cheat Sheet that developers and security professionals can use to understand, prevent, and mitigate XSS attacks. Below is an…

Here’s a Ruby cheat sheet with Ruby syntax and commonly used commands: Variables Data Types Strings: Numbers: Arrays: Hashes: Control Flow If-Else: While Loop: For Loop: Methods Classes and Objects File I/O Read from a File: Write to a File:…

Knex is a SQL query builder for Node.js, which provides a flexible and convenient way to interact with relational databases. Below is a cheat sheet with commonly used Knex commands and syntax: Installation Configuration Initialize Knex:Create a knexfile.js in the…

Redux is a state management library commonly used with React applications. Below is a cheat sheet with key concepts and commands used in Redux: Core Concepts Store: Reducer: Actions: Action Creators: Redux Store Creation Actions and Action Creators Action Types:…

Vim is a highly configurable text editor that is widely used for code editing and other text manipulation tasks. Below is a basic cheat sheet with commonly used Vim commands: Modes Basic Navigation Editing Marking and Navigation Saving and Exiting…

sed (stream editor) is a powerful text stream editor that is used to perform basic text transformations on an input stream. Below is a cheat sheet with commonly used sed commands and syntax: Basic Syntax Common Commands Print Lines: Substitute…

Spacemacs is an Emacs distribution that combines the best features of Emacs and Vim. Below is a cheat sheet for Spacemacs, highlighting some commonly used keybindings and commands. General Navigation Editing File Operations Version Control Programming Spacemacs Layers Help and…

Date formatting in various programming languages and systems can vary, but here’s a cheat sheet with commonly used date format patterns: ISO 8601 Date and Time Format Format: Example: Short Date Format Format: Example: Long Date Format Format: Example: Time…

git log is a command used to display the commit history in a Git repository. Below is a cheat sheet with git log commands and options: Basic git log Display Commit History: Custom Formatting Compact One-Line Log: Detailed Log with…

yum is a package manager for the Red Hat Enterprise Linux (RHEL) and CentOS Linux distributions. It is used for installing, updating, and managing software packages. Below is a cheat sheet with commonly used yum commands: Package Management Install a…

Sublime Text is a popular text editor known for its speed and ease of use. Below is a cheat sheet covering essential keyboard shortcuts and commands in Sublime Text: Basic Navigation Editing Navigation within File Search and Replace Advanced Editing…

Below is a Bash cheat sheet covering common commands and syntax: Navigation List Files: Change Directory: Go to Home Directory: Go to Previous Directory: Present Working Directory: File Operations Create Empty File: Create Directory: Copy File/Directory: Move/Rename File/Directory: Remove File:…

Emacs is a powerful text editor with a steep learning curve, but once you get the hang of it, it can be highly efficient. Here’s a basic cheat sheet to help you navigate and perform common tasks in Emacs: Basic…

Here’s Twitch cheat sheet: For Viewers For Streamers For Moderators These are just a few key actions you can take on Twitch. Twitch is continuously evolving, so it’s a good idea to explore new features and updates on the platform.…

Here’s a cheat sheet for Atom, a popular open-source text editor: General Shortcuts Navigation Editing Split Panes Git Integration Packages and Themes Customizing Atom Markdown Editing This Atom cheat sheet covers some basic shortcuts and functionalities. Atom is highly customizable,…

Here’s Apache Kafka cheat sheet: Kafka Basics Start Kafka Server: Create a Topic: List Topics: Producer Send Messages: Consumer Consume Messages: Consumer in a Consumer Group: Kafka Connect Start Kafka Connect: Create a Connector: Kafka Streams Start a Kafka Streams…

Here’s a cheat sheet for HTTPie, a command-line HTTP client: Basic HTTP Requests GET Request: POST Request: PUT Request: DELETE Request: Request Headers Specify Headers: Add JSON Content: Request Data Form Data: JSON Data: Authentication Basic Auth: Bearer Token: Response…

Here’s a cheat sheet for Symfony, a PHP web application framework: Symfony Project Structure Routing Define Route in Controller: Generate URL in Twig: Controllers Rendering a View: Redirecting: Forms Create a Form Type: Handle Form Submission in Controller: Doctrine ORM…

Here’s a CoffeeScript cheat sheet: Variables Functions Strings Arrays Objects Conditionals Loops Classes CoffeeScript and JavaScript Interoperability Function Binding This CoffeeScript cheat sheet covers some basic syntax and features. CoffeeScript is designed to be a more concise and readable alternative…

Here’s a Kotlin collections cheat sheet: List Create a List: Mutable List: Access Element: Add Element: Remove Element: Set Create a Set: Mutable Set: Add Element: Remove Element: Map Create a Map: Mutable Map: Access Value: Add/Update Entry: Remove Entry:…

Here’s a Microsoft Outlook cheat sheet for using it efficiently: Navigation Shortcuts Composing and Sending Emails Email Organization Calendar Shortcuts Contacts Shortcuts Tasks Shortcuts Advanced Email Features General Shortcuts Outlook Settings Keyboard Navigation in Emails These shortcuts are based on…

Here’s a Gmail cheat sheet: Navigation Shortcuts Composing and Sending Emails Email Organization Gmail Settings Advanced Search Gmail Labs Gmail Shortcuts (While Composing) These are some of the handy shortcuts and features you can use in Gmail. Gmail evolves over…

GDB (GNU Debugger) is a powerful debugger for C, C++, and other programming languages. Here’s a cheat sheet to help you use GDB effectively: Basic Commands Start GDB: Run Program: Set Breakpoint: Continue Execution: Step Into: Next Line: Finish Execution…

Java Collections Framework provides a set of classes and interfaces to represent and manipulate groups of objects. Here’s a Java Collections cheat sheet: List Interface ArrayList: LinkedList: Vector: Set Interface HashSet: LinkedHashSet: TreeSet: Queue Interface LinkedList (as Queue): PriorityQueue: Map…

Zsh (Z Shell) is a powerful shell with extensive customization capabilities. Here’s a cheat sheet to help you navigate and use Zsh effectively: Basic Commands Change Directory: List Contents: Clear Screen: Exit Zsh: File Operations Create a File: Create a…

Material-UI is a popular React UI framework that follows the principles of Google’s Material Design. Here’s a cheat sheet for Material-UI: Installation Basic Usage Typography Buttons Icons Forms Layout Themes Snackbars Dialogs This cheat sheet covers some common components and…

Here’s a cheat sheet for Dart, a programming language primarily used for building mobile, web, and server applications with the Flutter framework: Hello, World! Variables and Data Types Variable Declaration: Data Types: Control Flow If-Else: Switch Case: For Loop: While…

Gradients in CSS can add depth and visual appeal to your web designs. Here’s a cheat sheet for CSS gradients: Linear Gradient Radial Gradient Repeating Gradient Directional Gradient Color Stops Gradient Overlays Conic Gradient (CSS4) Mix Blend Mode Transparent Gradients…

Tachyons is a functional CSS framework that provides a set of utility classes for designing interfaces with a low level of specificity. Here’s a cheat sheet for Tachyons: Typography Colors Layout Display Borders Shadows Responsive Design Miscellaneous Responsive Typography Forms…

Here’s a cheat sheet for Rust, a systems programming language: Hello, World! Variables and Mutability Immutable Variable: Mutable Variable: Data Types Integer: Floating Point: Boolean: Character: String: Control Flow If-Else: Match (Pattern Matching): Loop: While Loop: For Loop: Functions Function…

Here’s a grep regex cheat sheet: Basic Patterns Search for a String: Character Classes Match any Single Character: Match any Single Character in a Set: Match any Single Character NOT in a Set: Quantifiers Zero or More Occurrences: One or…

Here’s a cheat sheet for commonly used grep commands: Basic Search Search for a String in a File: Search for a String in Multiple Files: Case-Insensitive Search: Displaying Line Numbers Show Line Numbers with Match: Show Only Line Numbers: Inverting…

Here’s a cheat sheet for working with R Markdown: Headers Section Header: Subsection Header: Text Formatting Bold Text: Italic Text: Strikethrough Text: Lists Unordered List: Ordered List: Links Inline Link: Reference Link: Images Inline Image: Reference Image: Code Inline Code:…

Here’s a cheat sheet for ggplot2, a popular data visualization package in R: Basic ggplot Structure Customizing Aesthetics Color by a Variable: Size by a Variable: Faceting Facet by a Variable: Themes and Labels Change Theme: Customize Axis Labels and…

Here’s a Unix Commands cheat sheet: Navigation Change Directory: List Files and Directories: List All Files (Including Hidden): Present Working Directory: File Operations Create a File: Create a Directory: Copy File: Copy Directory: Move/Rename File or Directory: Remove File: Remove…

Here’s a cheat sheet for commonly used Docker commands: 1. Images List Images: Pull Image: Remove Image: Containers List Running Containers: List All Containers (including stopped): Run Container: Run Container in the Background: Stop Container: Remove Container: Executing Commands Execute…

Here’s a R regex cheat sheet for using regular expressions in R: Basics Matching a Pattern: Extracting Matches: Anchors and Quantifiers Start of Line: End of Line: Zero or More Occurrences: One or More Occurrences: Optional (Zero or One): Character…

Here’s a cheat sheet for Jest, a popular JavaScript testing framework: Installation Install Jest: Configuring Jest Create Jest Configuration File (Optional): Writing Tests Test File Naming Convention: Basic Test: Async Test: Matchers Common Matchers: Numbers and Comparisons: Strings: Mock Functions…

Here’s a Kotlin Coroutines cheat sheet: Basics Import Coroutines: Launch a Coroutine: Run Blocking: Coroutine Scope Create a Coroutine Scope: Launch in Coroutine Scope: Dispatcher Default Dispatcher: IO Dispatcher: Main Dispatcher: Coroutine Context Define Coroutine Context: Suspend Functions Define a…

Here’s a cheat sheet for using Git Flow, a branching model extension for Git: Initialize Git Flow Initialize Git Flow: Feature Branches Start a Feature Branch: Finish a Feature Branch: Release Branches Start a Release Branch: Finish a Release Branch:…

Below is a cheat sheet for some common GitHub commands and actions: Basic Git Commands Initialize a Repository: Clone a Repository: Check Repository Status: Add Changes to Staging Area: Commit Changes: Pull Changes from Remote Repository: Push Changes to Remote…

Here’s a cheat sheet for some common SQLite commands: Basic Commands Start SQLite: Open Database: Exit SQLite: SQL Commands Create Table: Insert Data: Select Data: Update Data: Delete Data: Query Examples Select Distinct Values: Filter Rows: Order by: Aggregation Functions…

SQL functions are powerful tools for performing operations on data in a relational database. Here’s a cheat sheet for some commonly used SQL functions: Aggregate Functions SUM(): AVG(): COUNT(): MIN(): MAX(): String Functions CONCAT(): SUBSTRING(): UPPER(): LOWER(): LENGTH(): Date and…

SQL joins are used to combine rows from two or more tables based on a related column between them. Here’s a cheat sheet for SQL joins: INNER JOIN Returns rows that have matching values in both tables. LEFT (OUTER) JOIN…

journalctl is a utility for querying and displaying messages from the journal, managed by systemd-journald, a system service that collects and stores logging data. Below is a basic cheat sheet for using journalctl: Viewing Logs View All Logs: View Logs…

Here’s a FTP (File Transfer Protocol) cheat sheet with common commands: Connect to FTP Server Log in to FTP Server Enter your password when prompted. Navigate on FTP Server Change Directory: Go to Parent Directory: List Files: Print Working Directory:…

Here’s a basic TypeScript cheat sheet covering key aspects of the TypeScript programming language: Hello World Variable Declaration Function Declaration Type Annotations Interfaces Classes Enums Union Types Generics Type Assertions Nullable Types Modules and Namespaces TypeScript Configuration File (tsconfig.json) Compile…

Here’s a basic Nmap cheat sheet covering some common commands and options: Basic Scan Port Scan Scan Multiple Hosts Aggressive Scan (Enables script scanning and version detection) Service Version Detection Operating System Detection Output to a File Output in XML…

Here’s a Next.js cheat sheet covering key aspects of the Next.js framework for React: Creating a Next.js App Install Next.js: Navigate to the app directory: Start the development server: File System Routing Pages are automatically mapped to routes based on…

Here’s a Lua cheat sheet covering key aspects of the Lua programming language: Hello World Variables and Constants Data Types Primitive Types: Tables: Functions: Control Flow if-else: for loop: while loop: Functions Tables Nil and Default Values String Manipulation Coroutines…

Converting Java code to Kotlin involves several straightforward transformations. Below is a cheat sheet that highlights the differences and provides examples for common Java-to-Kotlin conversions: Variable Declaration Java: Kotlin: Nullability Java: Kotlin: Class Declaration Java: Kotlin: Constructor Declaration Java: Kotlin:…

Wire gauge is a measurement of the diameter or thickness of a wire, typically represented by a numerical value. Here’s a wire gauge cheat sheet: Wire Gauge Standards AWG Wire Gauge Chart AWG Diameter (inches) Diameter (mm) Max Current (Amps)…

Here’s a wire color cheat sheet based on common conventions: Power Wires Low-Voltage Wiring Control Wiring Communication Wiring Audio/Video Wiring Ethernet Wiring (Cat5e/Cat6) Telephone Wiring (Tip/Ring) Three-Phase Power Wiring Automotive Wiring LED Lighting Thermostat Wiring Security System Wiring It’s important…

Here’s a cheat sheet for PL/SQL, which is a procedural language designed specifically for the Oracle Database: Basic Structure Variables and Constants Declaration: Data Types Assigning Values Conditional Statements IF-THEN-ELSE: CASE Statement: Loops FOR Loop: WHILE Loop: Exception Handling Cursors…

Hashcat is a popular password cracking tool that supports various hashing algorithms and attack modes. Here’s a cheat sheet for Hashcat: Hashcat Basics Hashcat Help: Version Information: Hashcat Modes MD5 Hash Cracking: SHA-256 Hash Cracking: NTLM Hash Cracking: Attack Modes…

Here’s a cheat sheet for AppleScript, a scripting language developed by Apple for automating tasks on macOS: Comments: Variables: Display Dialog: User Input: Conditional Statements: Repeat Loop: Handling Lists: AppleScript Handlers: Working with Files: System Events: Finder Operations: Scripting Applications:…

Here’s a cheat sheet for some common Inkscape commands and shortcuts: Basic Navigation Selection and Transformation Drawing Shapes Path Operations Color and Fill Layers Text Editing Alignment and Distribution Grouping and Ungrouping Saving and Exporting Miscellaneous This cheat sheet covers…

PlantUML is a tool that allows you to create UML diagrams using a simple and human-readable syntax. Here’s a PlantUML cheat sheet covering some common diagram types and syntax: Class Diagram Class Declaration: Inheritance: Interface: Association: Activity Diagram Basic Activity:…

Here’s a Elixir cheat sheet, a functional and concurrent programming language designed for building scalable and maintainable applications: Basics Comments: Variables: Atoms: Strings: Data Types Numbers: Booleans: Lists: Tuples: Maps: Pattern Matching Match Operator: Case Statement: Functions Defining a Function:…

tmux is a terminal multiplexer that allows you to manage multiple terminal sessions within a single window. Here’s a cheat sheet for some common tmux commands: Session Management Start a New Session: Attach to an Existing Session: Detach from the…

Here is HTML5 cheat sheet, covering some of the most commonly used elements and attributes: Document Structure Basic Elements Heading: Paragraph: Anchor (Link): Lists Unordered List: Ordered List: Forms Form and Input: Textarea: Multimedia Image: Audio: Video: Semantic Elements Section:…

Emmet is a toolkit for web developers that greatly improves HTML and CSS workflow by providing shortcuts for common code snippets. Here’s a cheat sheet for Emmet: HTML Abbreviations CSS-like Selectors Child and Sibling Combinators Grouping and Cloning Numbering and…

Sass (Syntactically Awesome Stylesheets) is a popular CSS preprocessor that adds features like variables, nesting, and mixins to make stylesheets more maintainable and easier to write. Here’s a cheat sheet for Sass: Variables Nesting Mixins Partials _variables.scss: styles.scss: Operators Control…

A subnet mask is a 32-bit number that divides an IP address into network and host portions. The subnet mask is represented in dotted-decimal format, like an IP address. Here’s a cheat sheet for subnet masks: Understanding subnetting is essential…

Below is a cheat sheet for Tableau, a popular data visualization and business intelligence tool. Data Connection Data Preparation Visualization Calculations Filters Dashboard Publishing Tableau Server/Online Tips and Shortcuts Online Resources Tableau Server Advanced Topics This cheat sheet provides a…

In Apache JMeter, regular expressions are commonly used for extracting data from HTTP responses, especially when performing tasks such as data correlation or parameterization. Below is a cheat sheet for using regular expressions in JMeter: Extracting Data with Regular Expressions…

In YAML, regular expressions (regex) are typically used for pattern matching within strings. Below is a cheat sheet with some commonly used regex patterns in the context of YAML: Basic Patterns Character Classes Escape Characters Common Metacharacters Multi-Line Patterns YAML…

Notepad++ uses the Boost C++ Regular Expression Library for its regex functionality. Below is a cheat sheet with commonly used regex patterns in Notepad++: Regex Basics Character Classes Anchors Quantifiers Escape Characters Common Metacharacters Groups and Capturing Examples 1. Match…

Here is a Python Regex Cheat Sheet. Python uses the re module for working with regular expressions: Using the re Module Regex Functions Regex Patterns Basic Patterns Character Classes Anchors Quantifiers Escape Characters Common Metacharacters Examples 1. Email Validation: 2.…

Here’s a basic cheat sheet for regular expressions (regex). Keep in mind that regex syntax may vary slightly depending on the programming language or tool you are using: Regex Basics Character Classes Anchors Quantifiers Escape Characters Common Metacharacters Groups and…

VirtualBox is a powerful, open-source virtualization software that allows you to run multiple operating systems on a single machine. Here’s a cheat sheet with commands and tasks for VirtualBox: Installation Install VirtualBox (Linux): Install VirtualBox (Windows/Mac): Basic VM Management Create…

JavaFX is a set of graphics and media packages that enable developers to design, create, test, debug, and deploy rich client applications that operate consistently across diverse platforms. Here’s a cheat sheet for JavaFX tasks and concepts: Basic Structure JavaFX…

A Dynamic Host Configuration Protocol (DHCP) cheat sheet can be handy for managing and troubleshooting DHCP services on a network. Here are cheat sheet of DHCP commands and concepts: Basic DHCP Concepts DHCP Server: Commands and Configuration Install DHCP Server…

LogQL is the query language used in Grafana’s Loki, a horizontally scalable, multi-tenant log aggregation system. It allows you to query and analyze logs efficiently. Here’s a cheat sheet to help you get started with LogQL: Basic Queries Search for…

Creating documents using LaTeX involves a set of commands and syntax specific to LaTeX. Here’s a cheat sheet to help you get started with some commonly used LaTeX commands: Document Structure Document Class: Begin/End Document: Title and Author Title: Author:…

A logic gates cheat sheet provides a quick reference for understanding and working with basic digital logic gates. Here’s a cheat sheet covering logic gates: AND Gate Symbol: Truth Table: OR Gate Symbol: Truth Table: NOT Gate (Inverter) Symbol: Truth…

Logic Pro X is a powerful digital audio workstation (DAW) developed by Apple for macOS. It is used for music production, audio recording, editing, and mixing. Here’s a cheat sheet to help you navigate and use some key features in…

Conventional Commits is a specification for writing standardized commit messages. These messages follow a defined convention, making it easier to understand the history of a project and automate the release process. Here’s a cheat sheet for Conventional Commits: Commit Message…

WeeChat is a versatile and extensible IRC client with various plugins and features. Here’s a cheat sheet to help you get started with some basic commands and operations in WeeChat: Getting Started Start WeeChat: Connect to a Server: Navigating Channels…

Yarn is a popular JavaScript package manager used for managing dependencies and packages in web development projects. Here’s a Yarn commands cheat sheet: Project Initialization Initialize a New Project: Initialize a New Project with Default Settings: Installing Dependencies Install Dependencies:…

KQL (Kusto Query Language) is a powerful query language used in Microsoft Azure Monitor, Azure Data Explorer, and other Microsoft services for querying and analyzing data. Here’s a cheat sheet to help you with KQL: Basic Query Structure Query Elements:…

Lubridate is an R package that facilitates the manipulation and parsing of dates and times. It provides functions to work with date-time data in a more intuitive way. Here’s a cheat sheet for tasks using lubridate: Installation Creating Date-Time Objects…

jQuery is a fast and lightweight JavaScript library designed to simplify HTML document traversal and manipulation, event handling, animation, and AJAX. Here’s a cheat sheet for common jQuery functions and syntax: Getting Started Include jQuery: Selectors Select by Element: Select…

ZoomText is a screen magnification and screen reading software designed for individuals with visual impairments. It provides a range of features to make digital content more accessible. Below is a cheat sheet for ZoomText: Basic Navigation Reading Features Navigation Modes…

ZoomIt is a screen zoom and annotation tool for technical presentations developed by Microsoft. It allows presenters to zoom into specific parts of the screen and draw on the screen to highlight points during presentations. Here’s a cheat sheet for…

Here’s a cheat sheet for RGB color codes: In RGB (Red, Green, Blue) color representation, colors are created by combining different intensities of red, green, and blue light. Each color component is represented by a number ranging from 0 to…

Here’s a cheat sheet covering common color representations: Hexadecimal (HEX) Values Hexadecimal values represent colors using a combination of six alphanumeric characters (0-9, A-F), with the first two characters representing the red component, the next two representing green, and the…

AsciiDoc is a lightweight markup language that can be used to write documentation, articles, books, and more. Here’s a cheat sheet with AsciiDoc syntax and formatting: Headings Paragraphs Lists Links Images Code Blocks Tables Bold and Italics Quotes Line Breaks…

Aspect ratio refers to the proportional relationship between the width and height of an image or screen. It is commonly expressed as a ratio of two numbers, where the first number represents the width, and the second number represents the…

IDEAVim is a plugin for JetBrains IDEs (such as IntelliJ IDEA, PyCharm, and others) that allows you to use Vim keybindings and commands within the IDE. Here’s a IDEAVim commands cheat sheet: Switching between Modes Basic Navigation Editing Text Undo…

LunarVim is a highly extensible, community-driven Neovim configuration with built-in plugins and features. Here’s a cheat sheet with some common LunarVim commands and configurations: Installation Basic Navigation Editing Text Search and Replace Window Management Git Integration Markdown Preview Code Navigation…

HTTPX is an asynchronous HTTP client for Python, used for making HTTP requests. Here’s a cheat sheet covering some common use cases and syntax for HTTPX: Installation Making GET Requests Making POST Requests Custom Headers Timeouts Handling Response Content Handling…

HTTP Parameter Pollution (HPP) is a security vulnerability that occurs when multiple values are assigned to the same parameter. This can lead to unexpected behavior in web applications, potentially causing security issues. Here’s a cheat sheet on HTTP Parameter Pollution:…

A cheat sheet for the DJI Mini 2 drone can be useful for quick reference. Here are some essential commands and tips for operating the DJI Mini 2: Basic Flight Controls Camera Controls Flight Modes Intelligent Flight Modes Return-to-Home (RTH)…

A Final Cut Pro cheat sheet can be helpful for video editors working with this professional video editing software. Here’s a cheat sheet covering some essential commands and shortcuts in Final Cut Pro: Basic Editing Shortcuts Timeline Navigation Trimming and…

An iptables cheat sheet is useful for managing firewall rules on a Linux system. Here’s a iptables cheat sheet: iptables Cheat Sheet View Rules View Current Rules: View Detailed Rules: Flush Rules Flush All Rules: Default Policies Set Default Policies:…

An IP address cheat sheet can be handy for quick reference. Here’s a cheat sheet covering IPv4 addresses: IPv4 Address Format IPv4 Address Types IPv4 Subnet Mask IPv4 Classes Special IP Addresses Reserved IP Addresses IP Address Notation Rules IP…

Understanding IPv6 addresses is essential for network administrators and engineers. Here’s a basic IPv6 address cheat sheet: IPv6 Address Format IPv6 Prefix IPv6 Address Types IPv6 Unique Features Loopback Address Link-Local Addresses Unique Local Addresses (ULA) IPv6 Address Allocations Special…

Working with IPv6 subnets involves some differences compared to IPv4. Here’s a basic IPv6 subnet cheat sheet: IPv6 Address Format CIDR Notation in IPv6 Subnetting Rules in IPv6 IPv6 Prefix Lengths Subnetting in IPv6 IPv6 Address Compression IPv6 Subnetting Best…

An IP subnet cheat sheet can be helpful for quickly understanding and calculating subnets. Here’s a cheat sheet covering some essential information: Subnetting Basics Subnetting Formula Subnetting Rules Subnet Mask Table Subnet Mask CIDR Notation Usable IPs Subnet Size 255.255.255.252…

A data structures cheat sheet can serve as a quick reference for understanding and implementing different data structures. Here’s a cheat sheet covering some commonly used data structures: Arrays Linked Lists Stacks Queues Trees Hash Tables Heaps Graphs Trie Disjoint…

YAML (YAML Ain’t Markup Language or sometimes, YAML Ain’t a Markup Language) is a human-readable data serialization format. It’s often used for configuration files and data exchange between languages with different data structures. Here’s a YAML cheat sheet: Syntax Basics…

Tailwind CSS is a utility-first CSS framework that provides low-level utility classes to build designs directly in your markup. Here’s a cheat sheet to get you started with Tailwind CSS: Layout Typography Backgrounds Borders Shadows Interactivity Utilities Responsive Design Flexbox…

Obsidian is a popular note-taking and knowledge management application that uses plain text files for storing and organizing information. Here’s a basic cheat sheet to help you get started with Obsidian: Note Creation and Navigation Markdown Editing Tags and Metadata…

Neovim is a highly extensible text editor and an improved version of the classic Vim editor. Here’s a basic cheat sheet to help you get started with Neovim: Navigation Editing Files and Buffers Search and Replace Miscellaneous Neovim has many…

Wireshark is a popular network protocol analyzer, and TShark is its command-line counterpart. TShark is used for capturing and analyzing network traffic. Here’s a basic cheat sheet to help you use TShark effectively: Basic Usage Capture Traffic: Read from a…

XQuery is a functional programming and query language designed for querying and manipulating XML data. Here’s a basic cheat sheet to help you get started with XQuery: Basics Select Nodes: Filter Nodes: Select Attribute: XPath Functions String Functions: Numeric Functions:…

OpenSCAD is a script-based 3D modeling software that allows you to create parametric designs using a programming language. Here’s a basic cheat sheet to help you get started with OpenSCAD: Basic Commands Cube: Sphere: Cylinder: Polyhedron: Transformations Translate: Rotate: Scale:…

Here’s a cheat sheet for Microsoft PowerPoint, a popular presentation software: General Shortcuts Slide Navigation Slide Show Text Formatting Objects and Shapes Other Useful Shortcuts These shortcuts can help you navigate PowerPoint more efficiently and make your presentation creation process…

Here’s a cheat sheet for Apple Keynote, a presentation software developed by Apple: General Shortcuts Slide Show Navigation Editing Slides Text Formatting Media and Objects Grouping and Arrangement Presenting These shortcuts should help you navigate and create presentations more efficiently…

Here’s a cheat sheet for Safari, the web browser developed by Apple. This cheat sheet includes some common keyboard shortcuts and useful tips: General Navigation Page Navigation Address Bar Bookmarks History Zoom In/Out Miscellaneous These shortcuts should help you navigate…

Below is a cheat sheet for Bitbucket, a web-based platform for version control using Git: Repository Basics Git Basics Initialize a Repository: Add and Commit: Push Changes: Pull Changes: Branching and Merging Create a Branch: Switch Branch: Merge Branches: Pull…

Below is a cheat sheet for NetBeans, an integrated development environment (IDE) primarily used for Java development: Navigation and General Usage Editing and Code Generation Running and Debugging Version Control (Git) Testing GUI Design (JavaFX) Project Management Shortcuts and Tips…

Here’s a cheat sheet for Microsoft OneDrive, covering various features and shortcuts: Accessing OneDrive Uploading and Managing Files File Sharing and Collaboration Accessing OneDrive on Mobile Offline Access Searching and Sorting Integration with Microsoft Office Security and Settings Notifications Keyboard…

Here’s a cheat sheet for Microsoft Forms, covering various features and shortcuts: Accessing Microsoft Forms Creating a New Form Adding Questions Form Customization Logic and Branching Form Preview Sharing and Collecting Responses Analyzing Responses Form Settings Keyboard Shortcuts Mobile App…

Microsoft Flight Simulator is a complex simulation with various controls and features. Here’s a cheat sheet covering some common controls and actions: Basic Flight Controls Cockpit Views Camera Controls Autopilot Navigation Aircraft Systems Miscellaneous Weather and Time Flight Planning ATC…

Here’s a cheat sheet for Microsoft Teams, covering various features and shortcuts: Navigation Starting and Joining Meetings In-Meeting Controls Chat and Communication File Sharing and Collaboration Task Management Customization Notifications and Status Keyboard Shortcuts Mobile App Additional Tips This cheat…

Here’s a cheat sheet for Google Forms, covering various features and shortcuts: Creating a Form Adding Questions Form Customization Logic and Branching Form Preview Sending and Collecting Responses Analyzing Responses Form Settings Keyboard Shortcuts Mobile App Additional Tips This cheat…

Here’s a cheat sheet for Google Maps with some common features and shortcuts: Navigation Searching and Directions Saving and Sharing Google Maps App Explore Nearby Measure Distance Street View Shortcuts Advanced Features Privacy Settings Keyboard Shortcuts Additional Tips This cheat…

Here’s a cheat sheet for Google Sheets, covering various features and shortcuts: Basics Basic Operations: Navigation and View Options Working with Sheets Formatting Formatting Cells Cell Editing Formulas Functions Charts and Graphs Data Analysis Collaboration Shortcuts Mobile App Import and…

Here’s a cheat sheet for Google Drive, covering various features and shortcuts: Navigation File Management Collaboration View Options Search and Filters Shortcuts Offline Access Google Drive Settings Mobile App Additional Tips This cheat sheet covers a range of features and…

Here’s a cheat sheet for Google Docs, covering various features and shortcuts: Document Basics Formatting Text Paragraph Formatting Insert Elements Navigation and Editing Collaboration Shortcuts View Options Export and Download Revision History Mobile Shortcuts Additional Tips This cheat sheet covers…

Mixpanel is an analytics platform that allows businesses to analyze user behavior on their websites and mobile apps. Here’s a cheat sheet with some common tasks and commands in Mixpanel: Events Track Event: Track Event with Properties: Alias User: User…

Here’s a cheat sheet for using and developing for the Apple Watch: Basics Navigation Fitness and Health Apps Messaging Siri Customization Development Accessibility Battery Life Security Find My Water Resistance Eject Water Stay Connected Safety Features This cheat sheet covers…

Here’s a cheat sheet for some common trackpad gestures used on Apple devices: Basic Gestures Navigation Gestures App-Specific Gestures Spotlight Search Text Editing Mission Control and Spaces Accessibility Gestures System Preferences Note Feel free to explore and customize these gestures…

Here’s a basic cheat sheet for using Apple TV: Remote Control On-Screen Navigation Search and Siri Content Streaming AirPlay Settings and Preferences Gaming Remote App Troubleshooting Security Accessibility Parental Controls Miscellaneous This cheat sheet covers basic functions and features of…

Here’s a basic cheat sheet for Xcode, Apple’s integrated development environment (IDE) used for macOS, iOS, iPadOS, watchOS, and tvOS app development: Project and Workspace User Interface Navigation Build and Run Debugging Interface Builder Version Control Simulator Project Configuration Documentation…

Emojis are a fun way to express emotions and convey messages. Here’s a basic emoji cheat sheet with some commonly used emojis and their meanings: Smileys & People: Animals & Nature: Food & Drink: Activities: Travel & Places: Symbols: Faces…

The vi editor is a powerful and widely used text editor in Unix-like operating systems. Here’s a basic cheat sheet for using vi editor: Modes Basic Navigation Editing Searching Saving and Exiting Miscellaneous Exiting VI Note This cheat sheet covers…

A MacBook cheat sheet can be useful to navigate and utilize various features and shortcuts on Mac computers. Here’s a basic cheat sheet for MacBook: Basic Navigation Window Management File Management Finder Shortcuts System Preferences Spotlight Screen Capture Browser Shortcuts…

An AWS S3 (Simple Storage Service) cheat sheet can be handy for managing objects and buckets within the Amazon S3 storage service. Here’s a basic cheat sheet for AWS S3: Basic Commands Create a Bucket: Remove a Bucket: List Buckets:…

A Zendesk cheat sheet can be helpful for users and support agents to navigate the Zendesk platform efficiently. Here’s a basic Zendesk cheat sheet: User Interface Tickets Knowledge Base Automation User Management Reporting and Analytics Apps and Integrations Communication Collaboration…

Discord uses a flavor of Markdown for formatting text in messages. Here’s a cheat sheet for Discord Markdown: Text Formatting Headers Quotes Code Blocks Lists Links Mentions Emojis Spoilers Line Breaks Miscellaneous Remember that Discord Markdown features may vary based…

A Discord cheat sheet can be useful for navigating and using various features of the Discord messaging platform. Here are some essential commands and tips: Text and Chat Commands Channel Management Server and User Settings Voice and Video Server Roles…

A Spotify cheat sheet can be handy for navigating the music streaming platform more efficiently. Here are some essential commands and tips to enhance your Spotify experience: Playback Controls Playback Navigation Playlists and Library General Shortcuts Additional Tips Remember that…

A cheat sheet for Visual Studio Code (VSCode) can help you navigate and use its features more efficiently. Here’s a basic cheat sheet covering some essential commands and concepts: VSCode Cheat Sheet Keyboard Shortcuts View and Layout Code Editing Extensions…

Here’s a basic guide with examples for some commonly used formula elements in Salesforce: Basic Syntax Text Functions Date and Time Functions Logical Functions Advanced Functions Aggregate Functions Examples Remember, Salesforce formulas can be complex and vary depending on the…

Here’s a cheat sheet with some essential tips for Reddit: Reddit Basics Posting and Commenting Subreddit-Specific Rules Personalization Advanced Features Moderating (For Moderators) Best Practices Etiquette Mobile App Features Remember that Reddit is a diverse platform, and each subreddit may…

Here’s a cheat sheet with some essential tips for Pinterest: Profile Optimization Pin Creation Board Creation Pin Descriptions Board Organization Engagement Strategies Analytics and Insights Pinterest Marketing Legal and Best Practices Remember, Pinterest is a dynamic platform, and staying updated…

Here’s a cheat sheet to help you quickly configure your GoPro Hero 8 Black for various situations: Video Settings Photo Settings Timelapse and Hyperlapse Protune Settings (Advanced Users) Low Light and Night Modes General Settings Additional Tips Remember to refer…

Squarespace, being a website builder, may not expose raw CSS files for direct editing in the same way traditional web development would. Instead, Squarespace provides a CSS editor within its platform where you can add custom CSS code to modify…

Below is a cheat sheet for some common actions and features in SQLAlchemy, a popular SQL toolkit and Object-Relational Mapping (ORM) library for Python: SQLAlchemy Basics Install SQLAlchemy: Import SQLAlchemy: Create an Engine: Create a Base: Define a Model Create…

Here’s a cheat sheet for some common actions and features in Dropbox: Basic Actions Collaboration and Sharing Dropbox Paper Mobile App Dropbox Business Advanced Features Security and Privacy Integration with Third-Party Apps Troubleshooting Shortcuts This cheat sheet covers a range…

Here’s a cheat sheet for some common actions and features in Skype: Basic Actions Group Chats and Calls Settings and Preferences File Sharing Skype for Business Mobile App Advanced Features Troubleshooting Skype in Microsoft Teams Security and Privacy Shortcuts Remember…

Here’s a cheat sheet for some common actions and features in Google Meet: Basic Actions Meeting Controls Presentation Mode Security and Privacy Recording Keyboard Shortcuts Mobile App Google Calendar Integration Troubleshooting Breakout Rooms (if available) This cheat sheet covers a…

Here’s a cheat sheet for some common actions and features on YouTube: Basic Actions Profile Customization YouTube Studio Playlists Advanced Features Analytics Monetization Privacy and Settings Mobile App YouTube Shorts Content ID Collaboration YouTube Ads This cheat sheet covers a…

Here’s a cheat sheet for some common actions and features on Instagram: Basic Actions Profile Customization Instagram Feed Direct Messages Engagement Hashtags and Discoverability Advanced Features Insights and Analytics Privacy and Settings Mobile App IGTV Instagram Ads This cheat sheet…

Here’s a cheat sheet for some common actions and features on Twitter: Basic Actions Profile Customization Twitter Lists Hashtags and Trends Mentions and Notifications Twitter Chats Advanced Features Direct Messages Lists and Moments Privacy and Security Search and Advanced Search…

Here’s a cheat sheet for some common actions and features on Facebook: Basic Actions Privacy Settings Profile Customization Groups and Pages Messaging Events Notifications Explore Feed Account Settings Mobile App Advanced Features This cheat sheet covers a range of actions…

The React Testing Library (RTL) is a popular testing utility for React applications. Here’s a cheat sheet to help you use React Testing Library effectively: Installation Install Dependencies: Basic Usage Render Component: Query Elements: Assertions: Queries getByText: getByRole: getByTestId: Async…

LinkedIn is a professional networking platform used for job searching, career development, and business networking. Here’s a cheat sheet to help you make the most of LinkedIn: Profile Optimization Networking Job Search and Career Development Privacy and Settings Building a…

Here’s a cheat sheet to help you navigate and use Asana effectively for project management: Basic Navigation Task Management Views Customization Collaboration Productivity Features Advanced Features Shortcuts Tips This cheat sheet provides an overview of Asana’s basic features. As you…

Here’s a cheat sheet to help you navigate and use Zoom effectively for video conferencing: Basic Controls Meeting Controls Advanced Features Security Keyboard Shortcuts Tips for Hosts Mobile App Troubleshooting This cheat sheet provides an overview of Zoom’s basic and…

ClickUp is a project management and collaboration tool with a wide range of features. Here’s a ClickUp cheat sheet to help you navigate and use ClickUp effectively: Basic Navigation Task Management Views Customization Collaboration Productivity Features Advanced Features Shortcuts Tips…

Notion allows users to create powerful databases and tables, and it supports formula-like calculations within these tables. Here’s a Notion formula cheat sheet: Basic Formulas Simple Arithmetic: Percentage Calculation: Concatenation: Aggregation Functions Sum: Average: Minimum/Maximum: Conditional Formulas IF Statement: Nested…

Notion is a powerful productivity and note-taking tool with a variety of features. Here’s a Notion cheat sheet: Basic Navigation Text Formatting Headers Page Structure Blocks Databases Inline Elements Multimedia Advanced Blocks Shortcuts Tips This cheat sheet covers essential Notion…

Here’s a cheat sheet for using Slack, a popular team collaboration and messaging platform: Basic Messaging Channels Direct Messages Attachments and Files Advanced Features Notifications Integrations and Bots Search Shortcuts Commands Tips This cheat sheet covers basic Slack functionalities. Refer…

Here’s a cheat sheet for using Postman, a popular API testing and development tool: Request Basics Authentication Parameters Request Body Response Collections Testing Variables and Environments Newman (Command-Line Tool) Install Newman: Run a Collection: Keyboard Shortcuts This cheat sheet covers…

Here’s a cheat sheet for common terminal commands and shortcuts: Navigation Change Directory: Go to Home Directory: Go to Previous Directory: List Files and Directories: List All Files (Including Hidden): File and Directory Operations Create Directory: Create Empty File: Copy…

Here’s a cheat sheet for Oracle Database, covering some common commands and SQL queries: Oracle SQL Queries Connect to Database: Create a Table: Insert Data: Select Data: Update Data: Delete Data: Join Tables: Aggregate Functions: Group By: Order By: Database…

Here’s a cheat sheet for using Neovim (nvim), a modern and extensible text editor: Modes Navigation Editing Visual Mode Saving and Quitting Search and Replace Miscellaneous This cheat sheet covers some essential Neovim commands. Neovim is highly extensible, and there…

Here’s a cheat sheet for commonly used npm (Node Package Manager) commands: Project Initialization Initialize a new project: Skip interactive setup (default values): Installing Packages Install a package locally: Install a package globally: Install a specific version: Install packages and…

Here’s a cheat sheet for working with Nginx, a popular web server and reverse proxy server: Basic Configuration Server Blocks (Virtual Hosts) Basic Server Block: Multiple Server Blocks: Location Blocks Basic Location Block: Proxy Pass: SSL/TLS Configuration SSL Certificate Configuration:…

Lucene query syntax is used for searching within the Lucene search engine. It provides a powerful and flexible way to construct queries. Here’s a cheat sheet for Lucene query syntax: Basic Queries Term Query: Boolean Operators: Wildcards and Fuzzy Search…

LinkedIn’s search functionality allows for advanced boolean searches to find specific profiles or candidates. Here’s a cheat sheet for boolean search operators and tips on LinkedIn: Basic Operators Phrase Searching Grouping Wildcards Filters Job Title and Seniority Boolean Search Examples…

A “LeetCode cheat sheet” can be a reference for various programming techniques and common problem-solving patterns encountered on the LeetCode platform. Here’s a cheat sheet that covers some essential concepts and tips: Problem Solving Techniques Data Structures Dynamic Programming String…

Kotlin is a modern programming language that is concise, expressive, and interoperable with Java. Here’s a Kotlin cheat sheet covering some basic syntax and common features: Hello World Hello World: Variables and Data Types Variable Declaration: Type Inference: Nullable Types:…

Here’s a cheat sheet for working with JSON (JavaScript Object Notation), a lightweight data-interchange format: JSON Basics JSON Structure: JSON is a collection of key-value pairs, where keys are strings and values can be strings, numbers, objects, arrays, booleans, or…

Jira Query Language (JQL) is a powerful query language used in Jira to search and filter issues. Here’s a cheat sheet with some commonly used JQL queries and operators: Basic Queries Search by Issue Key: Search by Summary: Search by…

Here’s a cheat sheet for commonly used HTTP status codes: Informational Responses (1xx) Successful Responses (2xx) Redirection Messages (3xx) Client Error Responses (4xx) Server Error Responses (5xx) Custom Status Codes Note This cheat sheet covers some common HTTP status codes,…

Hibernate is a popular Object-Relational Mapping (ORM) framework for Java. Here’s a cheat sheet covering some common Hibernate concepts and operations: Hibernate Configuration Hibernate Configuration File (hibernate.cfg.xml): Entity Mapping Entity Class: CRUD Operations Save/Insert Entity: Retrieve/Load Entity: Update Entity: Delete…

Here’s a cheat sheet with some common Google search operators and tips to help you perform more effective searches: Basic Search Operators Advanced Search Operators Numeric Range Search Time-Based Search Calculator and Conversions Location-Specific Searches Image Search Tips This cheat…

A “Google Dork” refers to an advanced search query that uses special operators to find specific information on the internet. Google Dorks can be used for various purposes, including information gathering, vulnerability scanning, and finding publicly exposed files. Here’s a…

Google Analytics uses regular expressions (regex) for pattern matching in various settings such as filters, goals, and segments. Here’s a cheat sheet for some common use cases: Basic Patterns Character Classes Quantifiers Anchors Groups and Ranges Escape Characters Examples Notes…

Cypress is a JavaScript end-to-end testing framework. Here’s a cheat sheet covering some common commands and concepts in Cypress: Installation Install Cypress: Open Cypress GUI: Writing Tests Create a Test File: Visit a URL: Assertions: Interacting with Elements Click an…

Here’s a cheat sheet for using curl, a command-line tool for making HTTP requests: Basic GET Request Simple GET Request: Follow Redirects: Sending Data POST Request with Data: POST JSON Data: Headers and Cookies Include Headers: Include Multiple Headers: Set…

Specificity in CSS determines which style rules are applied when there are conflicting styles targeting the same element. Here’s a cheat sheet to understand and calculate specificity: Specificity Hierarchy Inline Styles: ID Selectors: Class Selectors, Attribute Selectors, Pseudo-classes: Element Selectors:…

Here’s a cheat sheet covering some common CSS selectors: Basic Selectors Universal Selector: Type Selector: Class Selector: ID Selector: Attribute Selector: Descendant and Child Selectors Descendant Selector: Child Selector: Adjacent Sibling and General Sibling Selectors Adjacent Sibling Selector: General Sibling…

Here’s a cheat sheet covering some common and essential CSS properties: Typography Font Family: Font Size: Font Weight: Text Alignment: Line Height: Colors and Background Color: Background Color: Background Image: Box Model Width and Height: Padding: Border: Margin: Box Sizing:…

Here’s a CSS position cheat sheet: Position Property Relative Positioning: Absolute Positioning: Fixed Positioning: Sticky Positioning: Z-Index Z-Index: Centering Center Horizontally: Center Vertically: Center Both Horizontally and Vertically: Floats (Older Approach) Float: Clear Floats: Overflow Overflow: Overflow X and Y:…

A CSS layout cheat sheet is helpful for designing the structure and arrangement of elements on a webpage. Here’s a reference covering key CSS properties for common layout scenarios: Box Sizing Border Box: Flexbox Flex Container: Flex Direction: Justify Content:…

CSS Grid Layout is a powerful layout system that allows you to create complex two-dimensional layouts with rows and columns. Here’s a cheat sheet covering key CSS Grid properties and concepts: Creating a Grid Container Define a Grid Container: Grid…

The CSS box model is a fundamental concept in web development that describes the layout and spacing of elements. Here’s a cheat sheet covering key aspects of the CSS box model: Content Box Box Sizing Display Property Overflow Responsive Box…

Here’s a CSS animation cheat sheet covering key properties and concepts: Animation Properties @keyframes: animation-name: animation-duration: animation-timing-function: animation-delay: animation-iteration-count: animation-direction: animation-fill-mode: animation-play-state: Shorthand Property animation: Transformations transform: Transition for Smooth Changes transition: transition-property: transition-duration: transition-timing-function: transition-delay: Animating Specific Properties @keyframes…

Here’s a cheat sheet for using Cron, a time-based job scheduler in Unix-like operating systems: Cron Basics Cron Syntax Cron Format: Wildcard Characters: Examples Special Strings Miscellaneous This cheat sheet provides a quick reference for creating and managing Cron jobs…

Writing clean code is crucial for creating maintainable and understandable software. Here’s a concise cheat sheet with principles and practices for clean code: General Principles Functions and Methods Comments Error Handling Code Structure Testing Continuous Refactoring Documentation Remember that clean…

Here’s a cheat sheet for common operations in base R: Data Structures Vectors: Matrices: Lists: Data Frames: Basic Operations Arithmetic Operations: Logical Operations: Data Manipulation Indexing Elements: Subset Data Frame: Sorting Data Frame: Merge Data Frames: Control Structures if-else Statement:…

RStudio is a popular integrated development environment (IDE) for R. It provides a user-friendly interface for R programming and data analysis. Here’s a RStudio cheat sheet covering common features and shortcuts: RStudio Interface Running Code Help and Documentation Version Control…

NumPy is a powerful numerical computing library in Python. Below is a NumPy cheat sheet covering common array operations and functionalities: Basics Install NumPy: Import NumPy: Creating Arrays Create an Array: Zeros Array: Ones Array: Identity Matrix: Random Array: Array…

dplyr is a popular R package for data manipulation and analysis. It provides a set of functions that make data wrangling tasks more intuitive and efficient. Below is a dplyr cheat sheet covering common operations: Basic Operations Install and Load…

Matplotlib is a popular Python library for creating static, interactive, and animated visualizations in a variety of formats. Below is a Matplotlib cheat sheet covering common plotting techniques and customization options: Basic Plotting Line Plot: Scatter Plot: Bar Plot: Histogram:…

Flexbox (Flexible Box Layout) is a layout model in CSS that allows you to design complex layouts more efficiently and with less code. Here’s a Flexbox cheat sheet: Container Properties Display: Flex Direction: Flex Wrap: Justify Content: Align Items: Align…

Below is a C++ Standard Template Library (STL) cheat sheet covering common containers, algorithms, and utilities: Containers Vector: List: Deque: Queue: Stack: Map: Set: Unordered Map: Unordered Set: Iterators Begin and End: Advance Iterator: Algorithms Sort: Reverse: Find: Count: Max…

Airtable is a cloud-based platform that combines the simplicity of a spreadsheet with the complexity of a relational database. Here’s a Airtable cheat sheet covering common operations and features: Tables and Fields Records Views Filtering and Sorting Grouping Formulas Linking…

PowerShell is a task automation framework and scripting language developed by Microsoft. Below is a PowerShell cheat sheet covering common commands and operations: Basics Get Help: Get Command Information: Working with Files and Directories List Files and Directories: Change Directory:…

GraphQL is a query language for APIs and a runtime for executing those queries with existing data. Below is a GraphQL cheat sheet covering common operations and syntax: Basics Query Example: Mutation Example: Fields and Selection Sets Specify Fields in…

OpenShift is a container orchestration platform that extends Kubernetes. Below is a cheat sheet for common OpenShift commands: Login and Project Login to OpenShift Cluster: Switch Project: List Projects: Work with Applications Deploy Application from Git: Expose Service to Create…

Below is a SQL data types cheat sheet covering common data types used in relational database management systems (RDBMS). Note that specific databases may have variations or additional types. Numeric Data Types Character String Data Types Date and Time Data…

Below is a PHP cheat sheet covering common syntax, functions, and best practices: Basic Syntax Variables: Data Types: Constants: Comments: Control Structures If-Else Statement: Switch Statement: Loops For Loop: While Loop: Foreach Loop: Functions Function Declaration: Built-in Functions: Arrays Indexed…

SQLMap is a powerful open-source penetration testing tool that automates the process of detecting and exploiting SQL injection vulnerabilities. Below is a SQLMap cheat sheet to help you get started: Basic Commands Scan a Website for SQL Injection: Specify a…

Helm is a package manager for Kubernetes that simplifies the deployment and management of applications. Below is a Helm cheat sheet covering common commands and operations: Helm Installation Install Helm: Initialize Helm in the Cluster: Chart Operations Create a New…

Below is a MongoDB query cheat sheet covering common operations and syntax for interacting with MongoDB databases: Basic Queries Select All Documents: Select Specific Fields: Query with Equality: Query with AND Operator: Query with OR Operator: Comparison Operators Greater Than:…

Below is a Redis CLI cheat sheet covering some common commands for interacting with Redis from the command line: Connecting to Redis Connect to Redis Server: Connect to Redis Server with Host and Port: Key-Value Operations Set Key-Value: Get Value…

Below is a condensed AWS (Amazon Web Services) cheat sheet covering common services, CLI commands, and best practices: AWS CLI Installation Install AWS CLI: Configuration Configure AWS CLI: Follow the prompts to enter your AWS Access Key ID, Secret Access…

Below is a concise cheat sheet for working with REST APIs (Representational State Transfer), covering common HTTP methods, status codes, and request/response formats. HTTP Methods Status Codes Request Headers Request Parameters Response Body Formats XML (eXtensible Markup Language): This cheat…

Below is a condensed cheat sheet for working with ChatGPT, a language model developed by OpenAI based on the GPT-3.5 architecture: Using ChatGPT Tips for Effective Usage Temperature Control: Max Tokens: System Messages: Experiment with Prompts: Handle Output: OpenAI API…

JIRA Query Language (JQL) is used in Atlassian JIRA to perform complex queries and filter issues based on various criteria. Below is a concise JIRA JQL cheat sheet covering common operations and syntax: Basic Queries Search by Project: Search by…

MongoDB is a NoSQL database that uses a document-oriented model to store data. Below is a concise MongoDB cheat sheet covering some common commands and operations: Basic Operations Connect to MongoDB: Show Databases: Switch Database: Show Collections in Current Database:…

DevOps involves a set of practices that aim to automate and improve the collaboration between development and operations teams. Below is a concise DevOps cheat sheet covering key concepts, tools, and practices: DevOps Principles Version Control Git Commands: Continuous Integration…

Here is a Redis cheat sheet that covers some common commands and operations. Redis is an in-memory data structure store, and these commands can be used in the Redis command-line interface (CLI) or through client libraries in various programming languages.…

Here is a Jupyter Markdown cheat sheet to help you format text, create headers, lists, links, and more in your Jupyter Notebooks. Jupyter Markdown uses a simplified syntax for easy formatting. Headers Emphasis Lists Unordered List: Ordered List: Links Images…

Here’s a Seaborn cheat sheet to help you quickly reference common functions and techniques when working with Seaborn, a popular Python data visualization library based on Matplotlib. Installation Importing Seaborn Setting Styles Loading Datasets Plotting Univariate Distributions Kernel Density Estimate…

Containers Rows and Columns Row Column Expanded SizedBox ListView Vertical ListView Horizontal ListView GridView Stack Flex Card Positioned MediaQuery Aspect Ratio This cheat sheet covers fundamental Flutter layout widgets. For more detailed information and advanced layout scenarios, refer to the…

Here’s a Docker Compose cheat sheet to help you quickly reference common commands and configurations when working with Docker Compose for managing multi-container applications: Basic Commands: Configuration File: Services: Environment Variables: Networking: Volumes: Docker Compose Commands: Docker Compose Override: Interacting…

Wireshark is a powerful open-source network protocol analyzer widely used for troubleshooting, analysis, and debugging network issues. Whether you’re a seasoned network administrator or a beginner looking to delve into the world of packet sniffing, having a comprehensive Wireshark cheat…

Handling strings is a fundamental aspect of data manipulation and analysis in R, and the stringr package is a versatile tool that makes string operations more efficient and intuitive. Whether you’re a data scientist, analyst, or an R enthusiast, having…

XPath, a powerful query language for XML documents, is a game-changer for web scraping, data extraction, and XML processing. Whether you’re a seasoned developer or just stepping into the world of XPath, having a comprehensive XPath cheat sheet is essential.…

PostgreSQL, an open-source relational database management system, is a robust and feature-rich choice for handling complex data requirements. Whether you’re a database administrator, developer, or a curious learner, having a comprehensive PostgreSQL cheat sheet is essential. In this blog post,…