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Posted about 8 years ago by Henning Koch.

Localizing a non-trivial application can be a huge undertaking. This card will give you an overview over the many...

Posted over 3 years ago by Tobias Kraze. medium.freecodecamp.com

Collection of useful tools in the Chrome JavaScript console. Make the whole page editable This is not special to Chrome...

Posted over 8 years ago by Dominik Schöler. github.com

Pour color on your Rails console with awesome_print. Turn confusing long strings into formatted output. Have objects and classes...

Posted over 1 year ago by Dominik Schöler.

Cucumber has an output format that prints step definitions only. You can use this to find unused ones: Temporarily add...

Posted over 1 year ago by Emanuel De.

We figured out, that ActiveJob Inline might lead to autoloading problems in development. The result was an exception when running...

Posted almost 4 years ago by Dominik Schöler.

...ESC to open the Console Press the Console's ⋮, select Rendering Select "Emulate media: print" PNG color profiles PNG images may contain color profiles, that actually screw their colors.

...adhering to common conventions, many requirements are fulfilled automatically. See our card on that topic for details...

Posted over 1 year ago by Dominik Schöler.

Ubuntu has decided to disable PDF processing because ImageMagick and the underlying Ghostscript had several security issues. When your Ghostscript...

Posted almost 2 years ago by Emanuel De.

In this example we assume that not only the storage gem changes but also the file structure on disc.

Posted over 3 years ago by Emanuel De.

TL;DR Debugging problems with javascript errors in cucumber tests is sometimes easier in the browser. Run the test, stop...

Posted over 6 years ago by Henning Koch.

In Ruby, classes and modules are called constants. This card explains how Ruby resolves the meaning of a constant.

Posted over 2 years ago by Dominik Schöler.

Sometimes, the IRB prints a warning during boot: irb: warn: can't alias source from irb_source. Explanation

Posted over 2 years ago by Arne Hartherz.

Boot partitions from installations prior to the 16.04 era are terribly small. When you install updates and encounter errors due...

Posted over 2 years ago by Henning Koch.

You need to update a lof gems. Make sure you don't have any version constraints in your...

Posted over 2 years ago by Henning Koch.

If you want to make a screenshot of a website that works well in print or on a high-DPI...

Posted over 2 years ago by Henning Koch.

This is painful. Consider using Microsoft Office or switching careers. If you need to write < 20 letters consider doing it...

Posted over 2 years ago by Arne Hartherz.

When you print (or print preview) and elements are cut off (e.g. after 1st page, or "randomly") you should check...

Posted almost 3 years ago by Michael Leimstädtner.

If you are using PDFKit / wkhtmltopdf, you might as well want to use custom fonts in your stylesheets. Usually this...

Posted almost 3 years ago by Dominik Schöler.

I frequently find myself needing a combination of group_by, count and sort for quick statistics. Here's a method...

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