Rails 6 includes a WYSIWYG editor, Action Text. It works out of the box quite well, but chances are that...
Rails supports alert and notice as default flash types. This allows you to use these keys as options in e.g...
In Ruby you can communicate between processes with sockets. This might be helpful in tests that validate parallel executions or...
The Truemail gem (not to be confused with truemail.io) allows validating email addresses, e.g. when users enter them into a...
In long diffs, it can become impossible to spot small changes in larger blocks of moved code. This may be...
TinyMCE is a WYSIWYG editor which is quite customizable. Add a custom button to the tinyMCE toolbar and tell tinyMCE...
When testing with Cucumber / Caypbara, iframes are ignored, so you can't interact with them. To interact with your iframe...
Headless Chrome is a way to run the Chrome browser without a visible window. Configuring Capybara Configure the Capybara driver...
SSHKit 1.9.0 might fail with the following error, when trying to deploy a Rail application. Upgrading the gem to version...
When deploying a Rails application that is using Webpacker and Capistrano, there are a few configuration tweaks that optimize the...
In Rubocop you might notice the cop Style/CaseEquality for e.g. this example: def foo(expected, actual) expected === actual end
Scroll and touch event listeners tend to be computationally expensive as they are triggered very often. Every time the event...
We currently test most of our gems on Travis CI, but want to migrate those tests to Github Actions. This...
While debugging a SPF record I found spf-record.de to be very helpful. it lists all IPs that are covered by...
If you're using the webdrivers gem and VCR together, depending on your configuration, VCR will yell at you regulary...
When logging in Rails, you can use the log_tags configuration option to add extra information to each line, like...
CSS variables are very different from preprocessor variables. While preprocessors use variables to compile a static piece of CSS, CSS...
When you use Sentry to monitor exceptions, an important feature is Sentry's error grouping mechanism. It will aggregate similar...
Ruby's File class has a handy method binary? which checks whether a file is a binary file. This method...
If you want to prevent that two processes run some code at the same time you can use the gem...
If you migrate a Rails application from Sprockets to Webpack(er), you can either transpile your CoffeeScript files to JavaScript...
"Open-source software (OSS) is great. Anyone can use virtually any open-source code in their projects." Well, it depends...
RubyMine has a HTTP Client that can be useful to test web APIs. Just create a .http scratch file an...
In a web application you sometimes have tasks that can not be processed during a request but need to go...