backend
4 articles about backend.
UTF-8, Unicode, and Character Encoding: What Every Developer Needs to KnowWhy mojibake happens, how Unicode code points map to UTF-8 bytes, the difference between ASCII, Unicode, and UTF-8, and why 'just use UTF-8 everywhere' is correct advice but still requires understanding.4 June 2026 · 5 min read
JSON vs XML vs YAML: A Practical Guide to Choosing the Right Data FormatWhen should you use JSON, XML, or YAML? A scenario-first comparison covering syntax, use cases, performance, human readability, schema validation, and the one situation where each format wins.31 May 2026 · 5 min read
How to Read and Write a Cron Expression: The Complete GuideStep-by-step guide to understanding cron syntax — the five fields, special characters, common patterns, timezone pitfalls, and how to validate expressions before deploying.29 May 2026 · 6 min read
UUID vs ULID vs NanoID: Which Random ID Format Should You Use in 2026?Side-by-side comparison of UUID v4, ULID, and NanoID — format, length, sortability, collision probability, database performance, and a decision guide for your next project.25 May 2026 · 6 min read