A JavaScript error in an E2E test with Selenium will not cause your test to fail. This may cause you...
Let's say you have a gem which has the following module: module SuperClient def self.foo 'Foo' end
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...
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...
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...
Your default postgres user is named like your linux user. That default user has limited access privileges, which can cause...
Use bundler > 1.15 to fix Gem::LOADED_SPECS_MUTEX (NameError). Given the following project: ruby -v ruby 1.8.7
Katapult 0.3.0 brings Rails 5 and Ruby 2.5 support with a new design, plus a ton of smaller features, fixes...
Enumerable#all? returns true for an empty collection. This totally makes sense but you have to think about it when...
This article will show you how to use throw and catch. It's a nice tool to break out of...
Rails applications and ruby gems should have a README that gives the reader a quick overview of the project. Its...
When writing XLSX files, there are gems like rubyXL or axlsx. While they do offer features like formatting or graphs...
PostgreSQL supports the SQL OVERLAPS operator. You can use it to test if two date ranges overlap: => SELECT ('2001-02...
Summary: Don't add chromedriver-helper to the Gemfile the executables might break your tests in projects where chromedriver-helper...