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What's a counter cache?

Running a separate query to count how many records are associated with another record is inefficient. Using a counter cache can save the day!
Jose Blanco
November 21, 2023
- Rails
- Ruby
- Web
- Active Record
- Good Code
The Ruby devroom is back at FOSDEM

You’ve heard it from us, Ruby is back at the biggest European conference on free and open source software.
George Kosmopoulos
November 17, 2023
This week in #dev (Oct 20, 2023)

Did you know that you can align text in Markdown tables? Or that you can use the repeat command in zsh to run a command multiple times? Read on to learn more!
thoughtbot
November 1, 2023
- This Week In Dev
- TIL
- Tip
- Markdown
- Zsh
- Ruby
Ruby Science on the Web and Updated to Rails 7

We’ve updated Ruby Science, the reference for creating fantastic Rails applications, and it’s now available on the web in addition to EPUB and PDF.
Chad Pytel
October 19, 2023
- Ruby
- Ruby On Rails
- Books
- News
Running old Ruby versions on Apple Silicon by fully emulating x86-64

I’ve been upgrading an old Rails 3.2 app and Ruby 2.0 doesn’t work on Apple Silicon. I solved it with full virtualization of x86-64.
Chad Pytel
October 4, 2023
- Ruby
- Development
Mining Gold in Digital Conversations

How I used artificial intelligence and async programming to transform interesting conversations into blog posts.
Matheus Richard
September 12, 2023
A Peek Behind the Curtain of Our New Open Source Page

How did we build the new Open Source page?
Joël Quenneville and Neil Carvalho
September 4, 2023
- Ruby
- Open Source
- Web
Speed up your Rack application with HTTP

You don’t need a sophisticated caching mechanism to improve your application’s performance. All you need is a basic understanding of the HTTP specification.
Steve Polito
August 31, 2023
- Rack
- Rack Tutorial
- Ruby
- Web
A pragmatic guide to building a Rack application from scratch

Learn how to build a production ready Rack application without a framework like Rails or Sinatra.
Steve Polito
August 22, 2023
- Rack
- Rack Tutorial
- Ruby
- Web
This week in #dev (Aug 4, 2023)

A guide on web security, DeMorgan Laws, force-pushing without losing your work, and more!
thoughtbot
August 16, 2023
- This Week In Dev
- Rails
- Ruby
- Git
- TIL
- Tip
- Security
- Performance
- Mathematics
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