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...
You need to update a lof gems. Make sure you don't have any version constraints in your...
Running rails server will start a local server that you can access via http://localhost:3000. When you are working...
If you want to make a screenshot of a website that works well in print or on a high-DPI...
This is painful. Consider using Microsoft Office or switching careers. If you need to write < 20 letters consider doing it...
When you print (or print preview) and elements are cut off (e.g. after 1st page, or "randomly") you should check...
In most projects I know, Cucumber test suite speed is not an issue. Of course, running 350 features takes its...
When an Rspec example fails, I usually investigate by running that example again using rspec . However, this does not work...
You are not using javascript tests The file is served from a public folder (not via controller) Problem description...
Slides for Henning's talk on Sep 21st 2017. Understanding sync vs. async control flow Talking to synchronous (or "blocking...
If you are using PDFKit / wkhtmltopdf, you might as well want to use custom fonts in your stylesheets. Usually this...
I frequently find myself needing a combination of group_by, count and sort for quick statistics. Here's a method...
Dump this method into your Ruby console to quickly print data in columns. This is helpful for e.g. comparing attributes...
ImageMagick has a command line tool called identify which can read image metadata: >identify -verbose DSC00136.JPG Image: DSC00136.JPG Format: JPEG...
on the bash (issued as postgres user) Start/Stop/Restart PostgreSQL pg_ctl -D $configdir start|stop|restart Start/Stop/Restart the corresponding PostgreSQL...
Collection of useful tools in the Chrome JavaScript console. Make the whole page editable This is not special to Chrome...
So you're getting this failure when running bundle install on an older project: Your Gemfile.lock is corrupt. The following...