Articles tagged "Encoding"
Posts on Orankit tagged "Encoding". 5 articles.
Why Base64 grows by 4/3, and how URL-safe Base64 differs
How Base64 works, the 3-byte to 4-character mapping, why output is roughly 33% larger, and the URL-safe variant that swaps `+/` for `-_`.
4 min read
Morse code: the original variable-length encoding
How Morse code is structured, how letter length follows frequency, the origin of SOS, and where Morse still shows up.
3 min read
How QR codes work: error correction and choosing a version
The structure of a QR code, the four error-correction levels, encoding modes, version (size) selection, and minimum quality for print.
4 min read
Text and bytes: ASCII, UTF-8, and the gap between characters and bytes
How characters become bytes, the 7-bit ASCII table, UTF-8's variable-length encoding, and why detecting an encoding from raw bytes is hard.
4 min read
Two flavors of URL encoding: form-urlencoded vs RFC 3986
There are actually two URL encoding specs in play — form submission and the URI spec. They differ on spaces and reserved characters, and using the wrong one breaks subtly.
4 min read