MD5 Hashing: What It's Good For, and What It Isn't
MD5 still shows up everywhere in real codebases. Here's a practical look at how it works, when it's fine to use, the gotchas that bite people, and a worked example you can run....
Tutorials, tips, and insights for modern developers
MD5 still shows up everywhere in real codebases. Here's a practical look at how it works, when it's fine to use, the gotchas that bite people, and a worked example you can run....
Base64 turns binary data into text so it survives systems that only expect text. Here's how it works, when to reach for it, and the gotchas that trip people up....
A practical guide to SHA-256 hashing — what it is, where it fits in real code, the gotchas that bite people, and a worked example you can copy....
Base64 shows up everywhere from data URIs to JWTs, but it's often misunderstood. Here's a practical rundown of what it is, when to use it, the gotchas that bite people, and a worked example....
A practical look at SHA-256 hashing — what it actually guarantees, the mistakes people make, and a quick worked example you can run today....
A practical guide to escaping HTML entities — what it actually does, when you need it, the gotchas that bite people, and a worked example you can steal....
MD5 still shows up everywhere despite being broken for security. Here's a practical look at what it actually does, when it's fine to use, and the traps that catch developers who reach for it out of habit....
A practical look at SHA-256 for working developers — what it is, when to use it, the gotchas that trip people up, and a short worked example....
Base64 turns binary into text-safe ASCII. Here's what it's really for, the mistakes that bite people, and a quick worked example....
HTML escaping sounds trivial until it causes an XSS bug or a mangled page. Here's when to escape, why context matters, and the gotchas that trip up experienced developers....
URL encoding trips up more developers than it should. Here's what percent-encoding actually does, when you need it, and the gotchas that cause broken links and 400 errors....
A practical guide to URL encoding for working developers — what it is, when to use it, the gotchas that bite in production, and a short worked example....