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The Crystal Programming language

This tag is for anything related to the Crystal programming language, its ecosystem, and related tooling. Development, usage, apps, shards, tips, and requests for help.

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Cover image for Crystal Minitest and the Shutdown Order Problem

Michael Nikitochkin

Jan 24

Crystal Minitest and the Shutdown Order Problem

#crystal #testing #minitest

3 min read

Cover image for Optimizing Crystal Build time in Woodpecker CI: 415s to 196s with Caching

Michael Nikitochkin

Jan 21

Optimizing Crystal Build time in Woodpecker CI: 415s to 196s with Caching

#crystal #ci #woodpecker #performance

5 min read

Cover image for From 4 Minutes to 3 Seconds: How Database Transaction Rollback Revolutionized Test Suite

Michael Nikitochkin

Jan 24

From 4 Minutes to 3 Seconds: How Database Transaction Rollback Revolutionized Test Suite

#testing #database #performance #crystal

4 min read

GalactHD

Nov 27 '25

Setup Vite with Kemal!

#crystal #webdev #javascript #vite

2 min read

Cover image for Why Is Crystal Compilation So Slow?

kojix2

Dec 8 '25

Why Is Crystal Compilation So Slow?

#crystal

5 min read

Cover image for Debugging a Double Free in Crystal with libxml2, GDB, and Valgrind

Michael Nikitochkin

Dec 7 '25

Debugging a Double Free in Crystal with libxml2, GDB, and Valgrind

#crystal #crystallang #programming

5 min read

Shaquel Kothari

Nov 28 '25

⚡ Dartalyst: A New Full-Stack SSR Framework That Just Hit 30,937 Requests Per Second

#webdev #dart #javascript #crystal

3 min read

Cover image for A Practical Guide to Parallel Programming in Crystal (2025)

kojix2

Nov 21 '25

A Practical Guide to Parallel Programming in Crystal (2025)

#crystal

8 min read

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