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...
Having a unique selector for an element is useful to later select it from JavaScript or to update a fragment...
Why secure-only cookies used to be necessary Cookies have an optional secure flag. It tells the browser to not...
If you want to fill in textareas with multiple lines of text (containing line breaks / new lines) you can use...
On some machines, installing Ruby 1.8.7 with ruby-build can lead to this error: math.c:37:13: error: missing binary...
Ruby has this handy block shortcut map(&:to_i) for map { |x| x.to_i }. However, it is limited to argument...
Whenever is a Ruby gem that provides a nicer syntax for writing and deploying cron jobs. Leading zeros are important...
To catch all possible exceptions from a network call, we need to rescue many error classes like this: rescue SocketError...
When you need to store structured data (like Ruby hashes) in a single database column with ActiveRecord, a simple way...
Just like Ruby Gems tag their version releases to the corresponding Git commit, it can be helpful to track production...
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
When you need test images, instead of using services like lorempixel or placehold.it you may generate test images yourself.
When you find yourself constantly ignoring a RubyMine warning, you can simple disable that warning and de-clutter your editor...
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...
Your default postgres user is named like your linux user. That default user has limited access privileges, which can cause...
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