Articles - Page 3
Technical articles and updates.
Introduction Generating and Reading QR Codes: How They Work and How to Use Them
Explore the basics of QR codes, secure methods for generating and reading them, and practical use cases in development.
Introduction Practical Regex Recipes: Copy-Paste Search and Replace Patterns
Ready-to-use regular expressions for emails, URLs, dates, whitespace cleanup, and more—each with what it matches—plus everyday text-processing tips.
Introduction URL Mechanics and Parameter Analysis: From Encoding to JSON Conversion
Explore the structure of URLs, the necessity of Percent-Encoding, and efficient ways to handle complex query parameters in web development.
Introduction Chmod Calculator: Visually Calculate and Verify Linux Permissions
A visual tool to manage and verify permission settings like chmod 755 or rwxr-xr-x effortlessly.
Introduction cURL Converter: Instantly Transform cURL into Your Favorite Programming Language
Convert cURL commands into Python, JavaScript, Go, Rust and more. Covers why shell parsing (not regex) is required to convert curl reliably, the supported languages, and what to check before shipping the generated code.
Introduction Generate a Full Set of Favicons from a Single Image—Right in Your Browser
Introducing a tool that lets you batch-generate favicon.ico, Apple Touch Icons, and PNGs of various resolutions entirely within your browser.
Introduction SQL Formatter: Making Queries Readable, and Why Dialect Selection Matters
Format messy SQL pulled from logs or ORMs into readable queries. Covers the technical reasons dialect selection (PostgreSQL/MySQL/BigQuery) changes formatting output, and why formatting doubles as a syntax check.
Introduction Drastically Simplify Markdown Table Creation! Visual Editor Techniques
'Writing tables in Markdown is such a chore...' If you've ever felt that, this guide is for you. Learn how to increase document efficiency using a visual editor for intuitive table creation and editing.
Introduction Mastering Cron Expressions: The 5 Fields and Special Characters with Examples
Understand Cron's 5 fields, special characters (* , - / ? L W #), common scheduling examples, and the UTC/timezone pitfalls—all explained with real expressions.
Introduction Visualizing GitHub Actions Workflows: Understanding Complex Pipelines
Visualize GitHub Actions job dependencies (needs) as a Mermaid graph. Covers how the needs field converts to arrows, the string-vs-array quirk, fan-out/fan-in/matrix patterns, and how to spot circular dependencies.
Introduction Base64, Base58, and Base32 Explained: When and How to Use Each Encoding
Understand how Base64 encoding works at the bit level, why it increases data size by 33%, the differences between Base64, Base64Url, Base58, and Base32, and practical use cases for each.
Introduction Hashing, Salt, and HMAC: A Developer's Guide to Secure Data Handling
Learn how SHA-256, bcrypt, and Argon2 work, why salting passwords is non-negotiable, when to use HMAC vs. plain hashing, and practical implementation patterns in JavaScript, Python, and Go.