Differences Between HSL and HSV (HSB) and How to Convert Them
Understand how HSL and HSV differ, how to convert them, and when to use each.
Guides: Developer
Guides in Developer, newest first.
How to encode Japanese and Unicode text with Base64
Convert to UTF-8 bytes first so Japanese text and emoji survive.
How to format and minify valid JSON safely
Check that strings, numbers, and escapes come through unchanged.
How to choose JavaScript regular expression flags
What g, i, m, s, u, and y each change, compared with examples.
The difference between JWT decoding and signature verification
Why a token you can read is not necessarily valid, and how to check it.
How to encode special characters in URLs correctly
Spaces, plus signs, and percent signs, and how to avoid double encoding.
How to find and fix JSON syntax errors
Where quotes, commas, keys, and numbers usually break JSON, and the fixes.
How to test zero-width regular expression matches safely
Where lookaheads, anchors, and word boundaries match, and looping over them.