Geordi uses parallel_tests if available for running the test suite. To debug an application it is very unhandy to...
When debugging your application, you will come across objects created by some gem or framework. You don't have the...
Normally you can list all gems of the current ruby version with gem list, which also includes the gems of...
Phusion Passenger changed the way how it gets restarted several times. Through the project's history, these all were valid...
In this example we assume that not only the storage gem changes but also the file structure on disc.
Geordi's cucumber command has a --rerun option that reruns failing tests the given number of times. Usage: geordi cucumber...
If you use transactional_fixtures or the database_cleaner gem with strategy :transaction, after_commit callbacks will not be fired...
Let's say you have a gem which has the following module: module SuperClient def self.foo 'Foo' end
We want to keep a changelog for all gems we maintain. There are some good practices for writing a changelog...
At makandra, we've built a few gems over the years. Some of these are quite popular: spreewald (> 1M downloads...
If you want to fill in textareas with multiple lines of text (containing line breaks / new lines) you can use...
Whenever is a Ruby gem that provides a nicer syntax for writing and deploying cron jobs. Leading zeros are important...
Just like Ruby Gems tag their version releases to the corresponding Git commit, it can be helpful to track production...
When your JavaScript bundle is so massive that you cannot load it all up front, I would recommend to load...
Webpacker uses Babel and Webpack to transpile modern JavaScript down to EcmaScript 5. Depending on what browser a project needs...
Recent Bundler (1.16.1) started complaining about missing dependencies in the Gemfile. This is due to a stricter handling of specifications...
This might be a known issue with Rubygems 2.5.1. This will help: gem update --system
You might have some trouble running a Rails LTS 2 app with MySQL 5.7. If you don't want to...
The httpclient gem comes with a custom SSL cert store. While an customizable, application-level cert store is great when...
You need to update a lof gems. Make sure you don't have any version constraints in your...
Bundler::GemRequireError: There was an error while trying to load the gem 'mysql2'. Gem Load Error is: Incorrect MySQL client...
mysql> SELECT @@global.version; +------------------+ | @@global.version | +------------------+ | 5.6.30 | +------------------+ 1 row in set (0,00 sec) MySQL 5.6 Reference Manual says "BLOB and TEXT...
Use bundler > 1.15 to fix Gem::LOADED_SPECS_MUTEX (NameError). Given the following project: ruby -v ruby 1.8.7
When installing gems, a lot of time is spent building locally installed documentation that you probably never use.