Directly

Testing API Endpoints Directly with cy.request()

Learn how cy.request() lets Cypress make direct HTTP calls outside the browser to set up state, verify APIs, and speed up tests.

In-Place Editing

Learn how sed's -i option edits files directly on disk, how to create backups, and the portability differences between GNU and BSD/macOS sed.

Sessions and Cookies

Learn how PHP maintains state across stateless HTTP requests using cookies for client-side storage and sessions for server-side storage keyed by a session iden…

The setup() Function and <script setup>

Learn the entry point of the Composition API — the setup() function — and how <script setup> compiles away its boilerplate.

DuckDB Cheat Sheet

Run fast in-process analytical SQL queries directly on CSV, Parquet, and pandas data with DuckDB's embedded OLAP engine.