#encoding code explainers

python

from pathlib import Path
 
import chardet

Reading text files of unknown encoding in Python

encoding byte-order-mark fallback

Intermediate 8 steps

php

<?php
 
function parseMultipartEmail(string $raw): array
{

Parsing multipart emails with mailparse

mime-parsing email encoding

Intermediate 9 steps

ruby

require "zlib"
require "stringio"
require "base64"

Compress-and-encode payloads in Ruby

compression encoding io-streams

Intermediate 8 steps

go

package token
 
import (
	"crypto/rand"

Generating secure random tokens in Go

cryptography randomness encoding

Intermediate 5 steps

javascript

function parseJwtPayload(token) {
  const parts = token.split('.');
  if (parts.length !== 3) {
    throw new Error('Invalid JWT: expected 3 segments');

Decoding a JWT payload in JavaScript

jwt base64url encoding

Intermediate 6 steps