Code snippets

137 snippets

• SQL

  Query JSONB and index it with GIN

  Filter on JSONB fields with the containment operator and make it fast with a GIN index.

• JavaScript Tested

  Send requests with an idempotency key

  Make POST requests safe to retry by sending a unique Idempotency-Key that the server can de-duplicate.

• CSS

  Header, sidebar, main and footer layout with grid

  A full-height page layout with a sticky footer using grid-template-areas.

• HTML

  Essential head tags for SEO and sharing

  The meta, canonical, Open Graph and icon tags every public page should have.

• PHP Tested

  Group an array of records by a key

  Turn a flat list of associative arrays into groups keyed by a field or callback.

• TypeScript Tested

  Generic groupBy with key inference

  Group an array into a Record by a property or function while keeping the item type.

• Python Tested

  Group items by a key

  Collect a list of records into a dictionary of lists keyed by a field or function result.

• Bash

  List files changed compared with main

  Get the files added, copied, modified or renamed on your branch, useful for linting or testing only what changed.

• Python Tested

  Safely read a deeply nested value

  Walk a path through nested dicts and lists and return a default instead of raising KeyError.

• Python Tested

  Fetch JSON with the standard library

  A small GET helper using urllib with a timeout, status check, size limit and JSON decoding errors.

• PHP Tested

  Generate a secure random token in PHP

  Create unpredictable tokens for password resets, API keys and CSRF protection with random_bytes.

• JavaScript Tested

  Format currency and numbers with Intl

  Locale-aware money, percent and compact number formatting using the built-in Intl.NumberFormat.