Ruby On Rails

Tutorials

Ruby2JS: an extensible Ruby to modern JavaScript transpiler

Ruby2JS: an extensible Ruby to modern JavaScript transpiler Ruby2JS is for Ruby developers who want to produce JavaScript that looks hand-crafted, rather than machine generated. You can convert Ruby-like syntax and semantics as cleanly and “natively” as possible. This means that (most of the time) you’ll g...

Hanami with Sidekiq | Alchemists

Hanami with Sidekiq | Alchemists As your Hanami application grows, you might want to add asynchronous background processing. A good gem to handle this for you is Sidekiq. You might also want Sidekiq Scheduler for dealing with scheduled jobs that repeat on a specific schedule. Thi...

Building optimistic UI in Rails (and learn custom elements) | Rails Designer

Building optimistic UI in Rails (and learn custom elements) | Rails Designer Custom elements are one of those web platform features that sound complicated but turn out to be surprisingly simple. If you have used Hotwire in Rails, you have already used them. Both and are custom elements. They are just HTML tags with JavaS...

Run Ruby applications in FIPS mode on Red Hat Enterprise Linux | Red Hat Developer

Run Ruby applications in FIPS mode on Red Hat Enterprise Linux | Red Hat Developer For a while now, I've been working to ensure that Ruby plays nicely with the OpenSSL FIPS module. My contribution to the upstream Ruby OpenSSL project for FIPS started when a FIPS-specific bug was identified in Ruby OpenSSL. I noticed its continuo...

ruby / test

ruby / test I use a custom test framework for Ruby. My goals are: Fast: startup and runtime Simple: one assertion method Flexible: plain Ruby, easy to extend Debuggable: small codebase, easy to understand Features: stubs, db transactions, db factories, etc. ...

Ruby in Twenty Minutes

Ruby in Twenty Minutes Introduction This is a small Ruby tutorial that should take no more than 20 minutes to complete. It makes the assumption that you already have Ruby installed. (If you do not have Ruby on your computer install it before you get started.) Interacti...

Debugging a Stack Overflow in Rails 7.2.1.1

Debugging a Stack Overflow in Rails 7.2.1.1 A few weeks ago, after upgrading NeetoCal from Rails 7.1.5.2 to Rails 7.2.1.1, we started seeing mysterious crashes in production with the error message SystemStackError: stack level too deep. Identifying the problem The crash happened inside Slo...

How to Clean Up Your Rails Logs: Ignoring Benign SQL Warnings | Saeloun Blog

How to Clean Up Your Rails Logs: Ignoring Benign SQL Warnings | Saeloun Blog Explore how Rails enables fine-grained control over SQL warnings, allowing teams to suppress harmless database warnings while maintaining visibility into critical issues.Database warnings are a fact of life in production systems. They’re not error...

Speed Up Your Rails Testing Workflow with Local CI

Speed Up Your Rails Testing Workflow with Local CI Most developers and testers have been a part of this story before: You work on your feature, commit new code, and push it to the repository. You pick up the next task on your list and begin working on it. Fifteen minutes later, you receive a noti...

Persistent Connections (Keep-Alive) Dynos Explained | Heroku

Persistent Connections (Keep-Alive) Dynos Explained | Heroku Before the latest improvements to the Heroku Router, every connection between the router and your application dyno risked incurring the latency penalty of a TCP slow start. To understand why this is a performance bottleneck for modern web applicat...

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