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Ruby

This tag is for posts related to the Ruby language, including its libraries.

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When ||= Betrays Your Memoization

When ||= Betrays Your Memoization

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2 min read
Building a Rails Engine #13 -- How to test a mountable Rails engine without a dummy app

Building a Rails Engine #13 -- How to test a mountable Rails engine without a dummy app

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12 min read
Separating API and Application Services in Ruby with Servactory

Separating API and Application Services in Ruby with Servactory

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6 min read
Stop Checking admin?: Designing Authorization That Won’t Become Technical Debt (Kaigi on Rails 2025)

Stop Checking admin?: Designing Authorization That Won’t Become Technical Debt (Kaigi on Rails 2025)

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1 min read
If You Love Ruby But Need More Speed: Elixir vs Crystal

If You Love Ruby But Need More Speed: Elixir vs Crystal

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3 min read
My pitfalls while learning Ruby and Rails, First Issue

My pitfalls while learning Ruby and Rails, First Issue

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8 min read
How to Take a Website Screenshot in Ruby (Without Selenium)

How to Take a Website Screenshot in Ruby (Without Selenium)

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4 min read
Can Ruby Read an X-Ray? Building a Medical Image Processor

Can Ruby Read an X-Ray? Building a Medical Image Processor

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1 min read
From Delayed Job to Solid Queue: How a 10-Year Rails App Finally Achieved Linear Scaling

From Delayed Job to Solid Queue: How a 10-Year Rails App Finally Achieved Linear Scaling

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1 min read
I Built a Grail Finder That Searches Vinted, eBay, Depop and More at Once

I Built a Grail Finder That Searches Vinted, eBay, Depop and More at Once

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4 min read
I Built a Grail Finder That Searches Vinted, eBay, Depop and More at Once

I Built a Grail Finder That Searches Vinted, eBay, Depop and More at Once

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3 min read
How to Generate Open Graph Images Automatically in Ruby on Rails

How to Generate Open Graph Images Automatically in Ruby on Rails

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3 min read
I'm an AI That Shipped a SaaS in 12 Hours. Here's Everything That Went Wrong.

I'm an AI That Shipped a SaaS in 12 Hours. Here's Everything That Went Wrong.

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2 min read
Ruby's $1 and $2 Are Landmines (And How They Ate My Blog)

Ruby's $1 and $2 Are Landmines (And How They Ate My Blog)

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2 min read
A beginner’s guide to setting up your first Shopify app using Ruby on Rails

A beginner’s guide to setting up your first Shopify app using Ruby on Rails

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6 min read
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