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Developer guides and references — practical explanations of the formats, encodings, and patterns you work with every day.

JSON vs XML: Which Format Should You Use?

A practical comparison of JSON and XML — when each shines, where each struggles, and how to choose the right format for your project.

6 min read
·March 28, 2026
JSONXMLData Formats

Understanding Unix Timestamps and Epoch Time

What Unix timestamps are, why they exist, how to convert them, and common pitfalls every developer should know about epoch time.

5 min read
·March 25, 2026
DateTimeUnixTimestamps

A Practical Guide to Regular Expressions for Developers

Cut through the noise — learn the regex patterns you'll actually use day-to-day with clear examples and real-world use cases.

8 min read
·March 20, 2026
RegexPatternsStrings

How Base64 Encoding Works and When to Use It

Base64 is everywhere in web development — JWTs, data URIs, email attachments. Here's exactly what it does and why it exists.

5 min read
·March 15, 2026
Base64EncodingWeb

ISO 8601: The Definitive Guide to Date and Time Formats

Date formats are a source of endless bugs. ISO 8601 is the solution. Learn the standard, its variants, and how to use it correctly in your code.

7 min read
·March 10, 2026
DateTimeISO 8601Standards