Ruby On Rails

Tutorials

Profiler week 5: Mac support, experiments profiling memory allocations

Profiler week 5: Mac support, experiments profiling memory allocations In just-this-second news – someone tweeted at me just now that they used rbspy and it helped them find an unexpected hot spot in their program, which made me super happy!!.

Playing with ruby's new JIT: MJIT

Playing with ruby's new JIT: MJIT As the commit explains, this is still early days for JIT in MRI ruby. It’s not yet ready to make Rails faster, and it’s slower right now than some of the earlier prototypes, but it’s here.

Instrumenting Rails with Prometheus

Instrumenting Rails with Prometheus Usually people leave this type of instrumentation and graphing to NewRelic and Skylight. However, at our scale we find it extremely beneficial to have instrumentation, graphing and monitoring local cause we are in the business of hosting, this is ...

iridakos - Creating a simple GTK ToDo application with Ruby

iridakos - Creating a simple GTK ToDo application with Ruby A tutorial for creating a simple GTK ToDo application with Ruby.

Rails 5.2: Active Storage and beyond

Rails 5.2: Active Storage and beyond See what's new in Rails 5.2 and try its brand new Active Storage framework for file uploads with our detailed hands-on guide. Also covering Credentials, Current singleton, CSP configuration,.

Searching in Rails with Solr, Sunspot and Docker · Gaurav Koley

Searching in Rails with Solr, Sunspot and Docker · Gaurav Koley Over the past few months, I have been working on a project titled Goodwill Currency for the Web Science Lab @ IIIT-B. It is a Ruby on Rails based portal with a VueJS frontend.

Testing Vue.js in Rails with Webpacker and Jest

Testing Vue.js in Rails with Webpacker and Jest In the project I’m working on, I was given the task of investigating how to integrate Vue.js with our existing Rails app. So I started reading ….

Extract conditionals into well-named methods

Extract conditionals into well-named methods One of the simplest (and most effective) ways to refactor is to extract a method. The naming of an extracted method is a great tool for communicating the thinking behind the code.

Ruby 2.5 introduces FrozenError class

Ruby 2.5 introduces FrozenError class Ruby 2.5 introduces FrozenError class which is a subclass of RuntimeError class. This change is introduced to differentiate exceptions raised from attempting to modify a frozen object from.

Finding a Ruby bug with GDB

Finding a Ruby bug with GDB Learn how to debug Ruby using GDB, and how we found an obscure Ruby bug that stops a process from exiting in (rare) situations.

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