Repository of knowledge

End-to-end Astro analytics: custom events → dataLayer → GTM with Partytown, including DLV setup and performance tips

Implementing Custom Events in Astro with GTM & Partytown (Step-by-Step)

Track custom events in Astro the right way-emit events, route them through Partytown, and map DLVs in Google Tag Manager.
Generate stunning PDF certificates and vouchers with Node.js

Generate Personalized PDF Certificates and Vouchers in Node.js (Full Guide)

Step-by-step tutorial on creating dynamic PDF certificates and vouchers in Node.js using pdf-lib and custom fonts.
Real-time WebP converter running in a terminal

Real-Time WebP Converter in Python for developers

Automatically monitor a folder and convert new images to WebP in real time using Python's Watchdog and cwebp.
Secure your application using CSRF Tokens. Create CSRF Library in PHP

Secure your application using CSRF Tokens. Create CSRF Library in PHP

Protect forms and JSON endpoints with session-based, one-time CSRF tokens in PHP. Threat model, design decisions, and a clean class you can drop into any app.