By default parallel_tests will spawn as many test processes as you have CPUs. If you have issues with flaky...
By default, your terminal emulator (Gnome Terminal, Terminator, etc.) sets some kind of window title to reflect the shell type...
When testing with Cucumber / Caypbara, iframes are ignored, so you can't interact with them. To interact with your iframe...
There is a common view that extracting text from a PDF document should not be too difficult. After all, the...
A flat folder structure can be cool if you have only a few folders but can be painful for huge...
Ruby's File class has a handy method binary? which checks whether a file is a binary file. This method...
When an event listener on a DOM element throws an error, that error will be silenced and not interrupt your...
Speaker today is Henning Koch, Head of Development at makandra. This talk will be in German with English slides.
Sometimes it's nice to have some coloring in your logs for better readability. You can output your logs via...
Fixed #68: The "cucumber" command now fails early when @solo features fail. Added: The "setup" command now prints the db...
When text renders differently in Firefox and Chrome, it may be caused by a font alias that both browsers handle...
When using Chrome for Selenium tests, the chromedriver binary will be used to control Chrome. To debug problems that stem...
There are several ways to merge two (or more) PDF files to a single file using the Linux command line...
Download buttons can be difficult to test, especially with Selenium. Depending on browser, user settings and response headers, one of...
In Rails, we usually have a mailer setup like this: class MyMailer < ActionMailer::Base def newsletter mail to: 'receiver@host.tld',
Cucumber has an output format that prints step definitions only. You can use this to find unused ones: Temporarily add...
We figured out, that ActiveJob Inline might lead to autoloading problems in development. The result was an exception when running...
Ubuntu has decided to disable PDF processing because ImageMagick and the underlying Ghostscript had several security issues. When your Ghostscript...
In this example we assume that not only the storage gem changes but also the file structure on disc.
If validations failed for a record, and you want to find out if a specific validation failed, you can leverage...
Browsers' printing methods usually don't print background colors. In most cases this is the desired behavior, because you don...
Sometimes, the IRB prints a warning during boot: irb: warn: can't alias source from irb_source. Explanation
Boot partitions from installations prior to the 16.04 era are terribly small. When you install updates and encounter errors due...
When you have string contents (e.g. a generated binary stream, or data from a remote source) that you want to...