Code snippets

137 snippets

• Python Tested

  Format bytes as a human-readable size

  Convert a byte count into KB, MB, GB and so on with a configurable number of decimals.

• PHP Tested

  Format bytes as a readable size in PHP

  Convert a number of bytes to KB, MB or GB with a chosen precision.

• JavaScript Tested

  Format bytes as KB, MB, GB

  Convert a byte count into a short human-readable size such as 1.5 MB.

• CSS

  Accessible focus ring with :focus-visible

  Show a clear focus outline for keyboard users without drawing it on mouse clicks.

• CSS

  Fluid typography with clamp()

  Scale font size smoothly between a minimum and maximum as the viewport grows, with no media queries.

• Python Tested

  Flatten a nested list

  Flatten arbitrarily nested lists and tuples into a single flat iterator, leaving strings intact.

• JavaScript Tested

  Flatten nested arrays

  Flatten arrays to any depth with a small recursive helper that mirrors Array.prototype.flat.

• Python Tested

  Flatten a nested dictionary

  Turn nested dicts into a single-level dict with dotted keys, handy for config and logging.

• SQL

  Fill in missing dates with generate_series

  Produce a row for every day in a range and left join your data so days with no activity show zero.

• Bash

  Delete files older than N days

  Safely remove old log or temp files with find, previewing first and handling unusual filenames.

• TypeScript Tested

  Typed fetch helper that checks the response

  A fetch wrapper that throws on HTTP errors and validates the JSON body with a type guard.

• PHP Tested

  Escape output to prevent XSS in PHP

  A short helper around htmlspecialchars with the right flags for HTML text and attribute values.