Frontend ⭐ Featured
WCAG Contrast Ratios - Web Accessibility Guide
Guide to WCAG requirements for color contrast and how to meet them. Ensure your website is accessible to all users.
📚 Blog & Guides
In-depth articles about web development, API design, security and developer tools. Learn best practices and modern techniques.
⭐ Featured Articles
JavaScript ⭐ Featured
TypeScript Interfaces from JSON - Automate Typing
How to generate TypeScript interfaces from JSON data automatically. Create type-safe code from API responses and data structures.
Frontend ⭐ Featured
Responsive Breakpoints - Best Practices 2024
Modern breakpoints for responsive design on all devices. Learn mobile-first approach, common breakpoints, and implementation strategies.
Data Processing ⭐ Featured
Regex in JavaScript - Practical Guide
Learn regular expressions with practical JavaScript examples. Master pattern matching, groups, lookaheads, and common patterns.
Backend ⭐ Featured
Prisma Schema - Modern Database Modeling
Guide to Prisma schema and how it simplifies database work. Learn schema definition, relations, migrations, and TypeScript integration.
API ⭐ Featured
OpenAPI/Swagger - API Documentation That Scales
Use OpenAPI to document and design APIs effectively. Learn schema definition, code generation, testing, and best practices.
Security ⭐ Featured
JWT Tokens - Complete Guide to JSON Web Tokens
Everything you need to know about JWT - structure, security, best practices and implementation in modern web applications.
Data Formats ⭐ Featured
JSON vs YAML - When Should You Use Which Format?
Complete guide to JSON and YAML - differences, advantages, disadvantages and use cases for both beginners and experienced developers.
JavaScript ⭐ Featured
Promises in JavaScript - From Callback Hell to Async/Await
Complete guide to Promises and how async/await simplifies asynchronous code. Learn promise chaining, error handling, and best practices.
JavaScript ⭐ Featured
JavaScript Event Loop - How Async Code Works
Deep dive into how JavaScript Event Loop works and why it's important. Understand callbacks, promises, async/await, and concurrency.
Network ⭐ Featured
IP Subnetting - Practical Guide for Network Engineers
Learn IP subnetting with practical examples and calculators. Understand subnet masks, CIDR notation, and network planning.
API ⭐ Featured
HTTP Status Codes - Complete Reference Guide
Complete guide to HTTP status codes and when to use each one. Learn status code categories, meanings, and best practices for REST APIs.
Security ⭐ Featured
Hash Functions Explained - MD5, SHA-1, SHA-256, SHA-512
Deep dive into different hash algorithms and when to use which. Learn the differences between MD5, SHA-1, SHA-256, and SHA-512.
Backend ⭐ Featured
Dockerfile Best Practices - Optimize Your Containers
Best practices for writing efficient and secure Dockerfiles. Learn optimization techniques, layer caching, security, and performance tips.
Frontend ⭐ Featured
CSS Flexbox - Complete Guide with Examples
Learn CSS Flexbox from the ground up with practical examples, use cases and best practices for modern responsive design.
Security ⭐ Featured
Bcrypt - Secure Password Management for Modern Apps
Why bcrypt is the standard for password hashing and how to implement it securely in modern applications.
Data Formats ⭐ Featured
Base64 Encoding - A Complete Developer's Guide
Everything about Base64 encoding - how it works, when to use it, and common use cases in web development and API design.
All Articles
JavaScript
Zod Schema Validation - Type-safe Runtime Checking
Use Zod for type-safe runtime validation in TypeScript. Learn schema definition, validation, and error handling.
Data Formats
XML to JSON - Modernize Your Legacy Systems
Guide for migrating from XML to JSON in modern applications. Learn when and how to convert XML data to JSON format.
API
Webhooks - Real-time Integrations
Everything about webhooks and how to build event-driven integrations. Learn webhook security, retries, and best practices.
Tools
UUID vs GUID - What's the Difference?
Explanation of UUID, GUID, and when to use them. Learn about unique identifiers and distributed systems.
Network
Unix Timestamp - Time Management in Systems
Everything about Unix timestamps and how to convert between formats. Learn epoch time, time zones, and date handling.
Frontend
SVG Optimization - Make Your Vector Graphics Faster
Techniques for optimizing SVG files and improving loading times. Learn minification, path optimization, and best practices.
Data Processing
String Similarity Algorithms - Find Similar Text
Different algorithms for measuring similarity between strings. Learn Levenshtein distance, Jaro-Winkler, and other similarity metrics.
Backend
SQL to MongoDB - Migration Guide
How to migrate from SQL to MongoDB and translate queries. Learn document modeling, query translation, and migration strategies.
Backend
SQL Formatting - Why Readable Code Matters
How SQL formatting improves readability and maintainability. Learn formatting standards, tools, and best practices for clean SQL code.
API
REST API Design - Best Practices 2024
Modern best practices for designing RESTful APIs. Learn how to build scalable, secure and developer-friendly APIs.
Security
Password Strength - What Makes a Password Secure?
Guide to creating secure passwords and implementing password policies. Learn about entropy, common attacks, and best practices.
Tools
Markdown - Quick Guide for Developers
Everything you need to know about Markdown for documentation. Learn syntax, formatting, and best practices.
Backend
Log Parsing - Troubleshooting with Log Analysis
Techniques for analyzing and troubleshooting with server logs. Parse Apache, Nginx, and JSON logs effectively.
JavaScript
localStorage - Best Practices for Web Apps
Guide to using localStorage effectively and securely. Learn storage limits, error handling, data serialization, and cleanup strategies.
API
JSON Schema Validation - Validate API Data
How JSON Schema is used to validate API requests and responses. Learn schema definition, validation libraries, and best practices.
Data Processing
JSON Flattening - Simplify Nested Data Structures
Why and how to flatten nested JSON structures. Learn flattening techniques and when to use flat vs nested structures.
JavaScript
Deep Clone vs Shallow Copy in JavaScript
The difference between deep clone and shallow copy and when to use each. Learn object copying techniques and avoid common pitfalls.
Backend
Environment Variables - Best Practices for Configuration
How to handle configuration with environment variables securely. Learn 12-factor app principles, security, and management strategies.
Tools
Email Validation - Best Practices and Regex
How to validate email addresses correctly with regex. Learn common patterns, RFC compliance, and validation strategies.
API
cURL to Fetch - Modernize Your API Calls
Convert cURL commands to modern fetch() API calls. Learn HTTP request translation, headers, authentication, and best practices.
Data Formats
CSV vs JSON - Which Format Fits Your Project?
Comparison between CSV and JSON for data handling and when to use each format for best performance and readability.
Data Processing
CSV Data Cleaning - Techniques for Better Data Quality
Best practices for cleaning and validating CSV data. Learn deduplication, normalization, validation, and ETL techniques.
Frontend
Linear Gradients in CSS - Design Guide
Create beautiful CSS linear gradients with visual preview. Learn gradient syntax, color stops, angles, and best practices.
Frontend
CSS Grid Layout - Modern Layouts Made Easy
Master CSS Grid to create advanced layouts quickly and easily. Complete guide with practical examples and best practices.
Backend
Cron Expressions - Complete Scheduling Guide
Learn to read and write cron expressions to schedule tasks. From basic syntax to advanced patterns.
Tools
Color Theory for Developers
Basic color theory and how to convert between formats. Learn hex, RGB, HSL, and color relationships.
Network
CIDR Notation - Modern IP Addressing
Explanation of CIDR notation and how it simplifies IP addressing. Learn subnet masks, network planning, and CIDR calculations.