#crystal Development Tutorials & Tips | Roast Dev

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Recording My Crystal Snippets from Today’s Learning

I want to document some snippets from today’s learning while working on open-source projects. 0. Printing Available Methods for an Object of a Class I found it useful to debug an object’...

15.03.2025 0 Read More

Building My First Web App with the Help of AI

Introduction Since the beginning of 2025, AI agents have made dramatic progress. We're now living in a time where you can simply share an idea with an AI, and it will generate an application ...

23.03.2025 0 Read More

Semaphores in Crystal

TL;DR Need to limit how many tasks run at once in your Crystal app? You can implement semaphore-like control using WaitGroup. This article shows how to manage concurrent downloads with just a...

23.03.2025 0 Read More

Using marisa.cr for Efficient String Storage in Crystal

The marisa.cr Crystal shard gives you access to the powerful Marisa Trie data structure, perfect for storing and searching strings efficiently. Let's look at how to use it.First, install the shard by ...

11.04.2025 0 Read More

Speeding Up Crystal CI/CD: Fast Drafts, Optimized Builds

I have started working on a production web application built with Crystal and Marten. With every new feature I add to the project, the compilation time keeps growing—almost exponentially.I found tha...

02.05.2025 0 Read More

Recording My Crystal Snippets from Today’s Learning

Building My First Web App with the Help of AI

Semaphores in Crystal

Using marisa.cr for Efficient String Storage in Crystal

Speeding Up Crystal CI/CD: Fast Drafts, Optimized Builds

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