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Tutorials

UUID v4 vs v7 vs ULID vs Snowflake: ID Selection Guide (2026)

A practical guide to distributed ID selection: UUID v4, v7, ULID, Snowflake ID, and NanoID compared on database performance, sortability, storage size, and ecosystem support with code examples.

#uuid #ulid #snowflake-id
Mar 19, 2026
15 min read
Tutorials

What Is a UUID? The Complete Guide to Format, Versions & Use Cases

Understand UUIDs from the ground up: 128-bit structure, hex format explained, how v1/v3/v4/v5/v7 work internally, collision math, real-world use cases, security pitfalls, and language-specific code examples.

#uuid #guid #rfc-9562
Mar 19, 2026
13 min read
Tutorials

Understanding Base64 Encoding: A Complete Guide

Learn how Base64 encoding works, when to use it, and common pitfalls to avoid in your development workflow.

#encoding #base64 #tutorial
Jan 20, 2026
8 min read
Tutorials

Unix Timestamp Guide: Precision, Timezone & DST Best Practices

Learn Unix timestamps: epoch origins, seconds/milliseconds/microseconds conversion, timezone handling, DST pitfalls, and code examples in JavaScript, Python, and Go.

#unix-timestamp #epoch #timezone
Aug 18, 2025
14 min read
Tutorials

The Ultimate Guide to Image Compression: Browser vs Node.js Solutions

An in-depth comparison of browser-based and Node.js image compression tools including Squoosh, browser-image-compression, Compressor.js, Imagemin, and Sharp. Learn when and how to use each solution effectively.

#image-compression #squoosh #sharp
Aug 17, 2025
12 min read
Tutorials

From JSON5 to JSONC: A More Forgiving JSON Formatting Guide

Explore JSON5 and JSONC syntax differences, formatting tools, and best practices for configs, CI/CD, and team collaboration with practical code examples.

#json #json5 #jsonc
Aug 5, 2025
7 min read
Tutorials

What Exactly Lives Inside a PostgreSQL timestamp Column?

A plain-English guide to how PostgreSQL stores timestamp vs timestamptz, why timezones bite, and how to choose the right type for your use case.

#postgresql #timestamp #timestamptz
Jul 29, 2025
6 min read
Tutorials

What is Base64 Really Doing? From MIME to Data URLs

Deep dive into Base64 encoding: understand the principles, explore real-world applications from email attachments to data URLs, and master the different variants with practical examples.

#base64 #encoding #web-development
Jan 20, 2025
12 min read
Tutorials

Beginner's Guide: Using Developer Tools to Boost Productivity

Learn how to effectively use developer tools including encoders, generators, converters and validators to streamline your development workflow.

#developer-tools #productivity #tutorial
Jan 15, 2025
8 min read