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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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Amber 1.0.0rc2 & Jennifer

Amber 1.0.0rc2 & Jennifer

6
Comments
1 min read
Concurrency in Crystal (lang)

Concurrency in Crystal (lang)

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Comments 2
2 min read
ลอง event loop และ non-blocking IO ใน crystal-lang

ลอง event loop และ non-blocking IO ใน crystal-lang

5
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2 min read
UML diagram for GoF design pattern examples in Crystal

UML diagram for GoF design pattern examples in Crystal

6
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14 min read
Twitch EventSub - The Direct Approach to Getting Started With It

Twitch EventSub - The Direct Approach to Getting Started With It

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Comments 1
11 min read
A Not-So-Illustrated Guide to Translating Code From Ruby To Crystal

A Not-So-Illustrated Guide to Translating Code From Ruby To Crystal

13
Comments
6 min read
Deep dive in CORS: History, how it works, and best practices

Deep dive in CORS: History, how it works, and best practices

3
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18 min read
Using GraphQL with Lucky

Using GraphQL with Lucky

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Comments 2
7 min read
Lucky is lightning fast!

Lucky is lightning fast!

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2 min read
Dreams from the multiverse where Crystal is as popular as Go and Rust

Dreams from the multiverse where Crystal is as popular as Go and Rust

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Comments 5
3 min read
Setting up a CRUD app in Lucky

Setting up a CRUD app in Lucky

17
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10 min read
Crystal - Plugin Pattern

Crystal - Plugin Pattern

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2 min read
Crystal Spec CLI Gotcha (--help)

Crystal Spec CLI Gotcha (--help)

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Comments 1
1 min read
Custom Spec Expectations

Custom Spec Expectations

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3 min read
Macro Tips: Avoid nesting macros if possible

Macro Tips: Avoid nesting macros if possible

10
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4 min read
Flash Messages with Lucky

Flash Messages with Lucky

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3 min read
Macro Tips: Method usage compilation errors

Macro Tips: Method usage compilation errors

3
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2 min read
An iterative validation of a new implementation

An iterative validation of a new implementation

9
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2 min read
Macro Tips: TypeDeclaration

Macro Tips: TypeDeclaration

14
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2 min read
Crystal JSON beyond the basics

Crystal JSON beyond the basics

12
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7 min read
A first look at Crystal as a Gopher

A first look at Crystal as a Gopher

18
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7 min read
Cross compile Crystal to aarch64

Cross compile Crystal to aarch64

5
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1 min read
TIL Tuples vs Arrays in Crystal

TIL Tuples vs Arrays in Crystal

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2 min read
Utilizing Macros & Annotations in a Web Framework (Part 2)

Utilizing Macros & Annotations in a Web Framework (Part 2)

10
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9 min read
A Rudimentary Blockchain Written in Crystal Pt. 1

A Rudimentary Blockchain Written in Crystal Pt. 1

5
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2 min read
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