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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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A Rudimentary Blockchain Written in Crystal Pt. 1
nolyoi profile

A Rudimentary Blockchain Written in Crystal Pt. 1

#blockchain #crypto #crystal #ruby
5
Comments
2 min read
Performance Comparison, Rust vs Crystal with Redis
jgaskins profile

Performance Comparison, Rust vs Crystal with Redis

#performance #rust #crystal
69
Comments 21
5 min read
HTTP(S) proxy server in Crystal in less than 50 lines of code
mamantoha profile

HTTP(S) proxy server in Crystal in less than 50 lines of code

#crystal #proxy #tutorial
13
Comments
4 min read
Athena 0.9.0
blacksmoke16 profile

Athena 0.9.0

#crystal #ruby #symfony #framework
6
Comments
4 min read
How to deploy a Crystal Lucky application with Dokku on Ubuntu 18.04
mitchartemis profile

How to deploy a Crystal Lucky application with Dokku on Ubuntu 18.04

#crystal #dokku #devops #tutorial
17
Comments
4 min read
Crystal Fridays is in 30 minutes!
arschles profile

Crystal Fridays is in 30 minutes!

#crystal #programming #streaming
4
Comments
1 min read
Debug Crystal in VSCode via CodeLLDB
bcardiff profile

Debug Crystal in VSCode via CodeLLDB

#crystal #debug #lldb
20
Comments 4
2 min read
Quick thought on Crystal
arschles profile

Quick thought on Crystal

#crystal #languages #programming
8
Comments
1 min read
Crystal Fridays!
arschles profile

Crystal Fridays!

#programming #crystal #livestream #screencast
3
Comments
1 min read
Streaming on Twitch!
arschles profile

Streaming on Twitch!

#livecoding #crystal #api #streaming
3
Comments
1 min read
A Crystal Mint Lemonade🍹🍃
franciscello profile

A Crystal Mint Lemonade🍹🍃

#mint #crystal #webdev #tutorial
19
Comments 1
4 min read
The Rebirth of Athena
blacksmoke16 profile

The Rebirth of Athena

#crystal #framework #symfony #sinatra
5
Comments
10 min read
Monads, a bit of Functional flow into Object world.
alexlairan profile

Monads, a bit of Functional flow into Object world.

#functional #crystal #computerscience
8
Comments 2
3 min read
A Crystal in Go’s World
preslavrachev profile

A Crystal in Go’s World

#crystal #ruby #go #language
51
Comments 6
4 min read
A Crystal Story: A container that sails!
franciscello profile

A Crystal Story: A container that sails!

#crystal #tutorial #webdev #docker
25
Comments 4
6 min read
A Crystal Story: Simple Static File Server!
franciscello profile

A Crystal Story: Simple Static File Server!

#crystal #tutorial #webdev
21
Comments
2 min read
Thanks for the advice, Crystal compiler!
franciscello profile

Thanks for the advice, Crystal compiler!

#crystal #tutorial #nil #oop
12
Comments
6 min read
Crystal's Channels and the While Loop
robreid profile

Crystal's Channels and the While Loop

#todayilearned #crystal
6
Comments
3 min read
A Crystal app adventure!
franciscello profile

A Crystal app adventure!

#crystal #tutorial #shards #database
25
Comments 8
4 min read
2019 in review
andyrosenberg profile

2019 in review

#showdev #crystal #yearinreview
3
Comments
1 min read
CockroachDB via Crystal ... In under 50 lines
robreid profile

CockroachDB via Crystal ... In under 50 lines

#database #sql #crystal #api
7
Comments
6 min read
Haye.cr: Expressive string syntax to Array/Hash and Vice-Versa parser for Crystal. Based on the javascript version.
krthr profile

Haye.cr: Expressive string syntax to Array/Hash and Vice-Versa parser for Crystal. Based on the javascript version.

#crystal #javascript #opensource
8
Comments
1 min read
Pope.cr: Micro templating engine for strings only. (Crystal version of Pope.js)
krthr profile

Pope.cr: Micro templating engine for strings only. (Crystal version of Pope.js)

#crystal #opensource #strings #github
5
Comments
1 min read
Using vue.js as an alternative to stimulus.js
bdtomlin profile

Using vue.js as an alternative to stimulus.js

#crystal #lucky #luckyframework #vue
20
Comments 2
6 min read
How to add HTTP Basic auth to Amber application
igor_alexandrov profile

How to add HTTP Basic auth to Amber application

#crystal #amberframework #amber
11
Comments 1
2 min read
Build your first blockchain from scratch (#3 Finding the longest chain)
cerbivore profile

Build your first blockchain from scratch (#3 Finding the longest chain)

#blockchain #crystal #cocol #finality
6
Comments
6 min read
Render Component from Action in Lucky
jwoertink profile

Render Component from Action in Lucky

#lucky #crystal
9
Comments
2 min read
Build your first blockchain from scratch (#2 DAG)
cerbivore profile

Build your first blockchain from scratch (#2 DAG)

#blockchain #dag #crystal #cocol
18
Comments
2 min read
Build your first blockchain from scratch (#1 Probabilistic Finality)
cerbivore profile

Build your first blockchain from scratch (#1 Probabilistic Finality)

#blockchain #cocol #crystal #finality
9
Comments
4 min read
Base API: Self Hosted!
gdotdesign profile

Base API: Self Hosted!

#baseapi #selfhosted #crystal #saas
14
Comments
2 min read
Double splat arguments in Crystal
igor_alexandrov profile

Double splat arguments in Crystal

#crystal #ruby
13
Comments 2
1 min read
Enabling Crystal’s New Multicore Support
jgaskins profile

Enabling Crystal’s New Multicore Support

#crystal #performance #concurrency #parallelism
28
Comments
5 min read
How to parse CSV with double quote (") character in Crystal
igor_alexandrov profile

How to parse CSV with double quote (") character in Crystal

#crystal #ruby
9
Comments
1 min read
Base API - Updates
gdotdesign profile

Base API - Updates

#baseapi #ruby #javascript #crystal
7
Comments
1 min read
Object Validation with Assert
blacksmoke16 profile

Object Validation with Assert

#crystal #validation
9
Comments
7 min read
Browsing The Web With Crystal
watzon profile

Browsing The Web With Crystal

#crystal #firefox #marionette #automation
19
Comments 2
7 min read
Dependency Injection in Crystal
blacksmoke16 profile

Dependency Injection in Crystal

#crystal #di
15
Comments 1
11 min read
Base - API for authentication, email sending, image upload and more!
gdotdesign profile

Base - API for authentication, email sending, image upload and more!

#webdev #api #crystal #mintlang
80
Comments 7
2 min read
Understating abstract classes
watzon profile

Understating abstract classes

#crystal #abstract #class #programming
11
Comments 1
3 min read
Using custom IDs in Lucky
jwoertink profile

Using custom IDs in Lucky

#lucky #crystal
5
Comments
1 min read
oq - A portable/performant jq wrapper
blacksmoke16 profile

oq - A portable/performant jq wrapper

#crystal #jq #json #python
16
Comments 2
8 min read
Deploying Lucky apps to Elastic Beanstalk
jwoertink profile

Deploying Lucky apps to Elastic Beanstalk

#lucky #crystal
7
Comments
3 min read
I started a list of ruby gems and their crystal shard replacement
phortx profile

I started a list of ruby gems and their crystal shard replacement

#crystal #rails #ruby
4
Comments
1 min read
Productive logging with Athena & Crylog
blacksmoke16 profile

Productive logging with Athena & Crylog

#crystal #logging
7
Comments
8 min read
Doing Crystal #3: Types, types, types
watzon profile

Doing Crystal #3: Types, types, types

#crystal #tutorial #series #ruby
18
Comments 2
6 min read
Doing Crystal #2: Getting started with Crystal
watzon profile

Doing Crystal #2: Getting started with Crystal

#crystal #tutorial #series #ruby
13
Comments 4
6 min read
Doing Crystal #1: A Ruby Comparison
watzon profile

Doing Crystal #1: A Ruby Comparison

#crystal #tutorial #ruby #series
13
Comments
4 min read
The New Hello World for faastRuby - The Serverless Platform for Ruby & Crystal - Part 1.
sergiosouzalima profile

The New Hello World for faastRuby - The Serverless Platform for Ruby & Crystal - Part 1.

#ruby #crystal #faastruby #serverless
10
Comments
4 min read
The New Hello World for faastRuby - The Serverless Platform for Ruby & Crystal - Part 2.
sergiosouzalima profile

The New Hello World for faastRuby - The Serverless Platform for Ruby & Crystal - Part 2.

#ruby #crystal #faastruby #serverless
8
Comments
5 min read
Utilizing Macros & Annotations in a Web Framework
blacksmoke16 profile

Utilizing Macros & Annotations in a Web Framework

#crystal
15
Comments 4
13 min read
Reapresentando o Hello World para faastRuby - A Plataforma Serverless para Ruby e Crystal - Parte II.
sergiosouzalima profile

Reapresentando o Hello World para faastRuby - A Plataforma Serverless para Ruby e Crystal - Parte II.

#ruby #crystal #faastruby #serverless
6
Comments 1
5 min read
Reapresentando o Hello World para faastRuby - A Plataforma Serverless para Ruby e Crystal - Parte I.
sergiosouzalima profile

Reapresentando o Hello World para faastRuby - A Plataforma Serverless para Ruby e Crystal - Parte I.

#ruby #crystal #faastruby #serverless
8
Comments
4 min read
Creating a JSON API with Athena & Granite
blacksmoke16 profile

Creating a JSON API with Athena & Granite

#crystal #json #symfony
18
Comments 14
24 min read
Background Jobs with Lucky
jwoertink profile

Background Jobs with Lucky

#lucky #crystal
22
Comments 2
3 min read
FaaStRuby: Serverless Functions as a Service for Ruby and Crystal
jgaskins profile

FaaStRuby: Serverless Functions as a Service for Ruby and Crystal

#ruby #crystal #serverless #microservices
8
Comments
2 min read
Quick start with React on Lucky
jwoertink profile

Quick start with React on Lucky

#crystal #lucky #react
11
Comments
2 min read
Google OAuth with Lucky
jwoertink profile

Google OAuth with Lucky

#crystal #lucky
13
Comments 1
5 min read
Implementing one time passwords in Crystal
philnash profile

Implementing one time passwords in Crystal

#crystal #2fa #security
16
Comments
3 min read
React Components In Lucky With Laravel Mix and lucky-react
mikeeus profile

React Components In Lucky With Laravel Mix and lucky-react

#react #lucky #laravel #crystal
16
Comments 2
4 min read
Uploading and Validating Images with Crystal and Lucky on Heroku
mikeeus profile

Uploading and Validating Images with Crystal and Lucky on Heroku

#crystal #lucky #images #heroku
19
Comments
12 min read
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