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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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Crystal Minitest and the Shutdown Order Problem
miry profile

Crystal Minitest and the Shutdown Order Problem

#crystal #testing #minitest
Comments
3 min read
Optimizing Crystal Build time in Woodpecker CI: 415s to 196s with Caching
miry profile

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

#crystal #ci #woodpecker #performance
Comments
5 min read
From 4 Minutes to 3 Seconds: How Database Transaction Rollback Revolutionized Test Suite
miry profile

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

#testing #database #performance #crystal
Comments
4 min read
Setup Vite with Kemal!
galacthd profile

Setup Vite with Kemal!

#crystal #webdev #javascript #vite
1
Comments
2 min read
Why Is Crystal Compilation So Slow?
kojix2 profile

Why Is Crystal Compilation So Slow?

#crystal
52
Comments 1
5 min read
Debugging a Double Free in Crystal with libxml2, GDB, and Valgrind
miry profile

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

#crystal #crystallang #programming
2
Comments 1
5 min read
⚡ Dartalyst: A New Full-Stack SSR Framework That Just Hit 30,937 Requests Per Second
shaquelkothari profile

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

#webdev #dart #javascript #crystal
Comments
3 min read
A Practical Guide to Parallel Programming in Crystal (2025)
kojix2 profile

A Practical Guide to Parallel Programming in Crystal (2025)

#crystal
3
Comments
8 min read
Lucky is Lightning Fast!
kinvoki profile

Lucky is Lightning Fast!

#crystal #lucky #benchmarks #performance
4
Comments
3 min read
Notes on Building CLI and GUI tools with Crystal
kojix2 profile

Notes on Building CLI and GUI tools with Crystal

#crystal #webview
2
Comments
4 min read
libui and Garbage Collection - Challenges in Creating Ruby and Crystal Bindings
kojix2 profile

libui and Garbage Collection - Challenges in Creating Ruby and Crystal Bindings

#libui #crystal #ruby
1
Comments
4 min read
Announcing Lustra: a Postgres ORM for Crystal
mamantoha profile

Announcing Lustra: a Postgres ORM for Crystal

#crystal #orm
10
Comments 1
2 min read
12 Things I Learned Writing CLI Tools in Crystal
kojix2 profile

12 Things I Learned Writing CLI Tools in Crystal

#crystal
2
Comments
4 min read
Embedding the Crystal Compiler in Your Program
kojix2 profile

Embedding the Crystal Compiler in Your Program

#crystal
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2 min read
Writing SIMD in Crystal with Inline Assembly
kojix2 profile

Writing SIMD in Crystal with Inline Assembly

#crystal #assembly
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8 min read
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