You can define methods using def or define_method. In the real world, there is no performance difference.
So you want to use object-fit, but you also need to support Internet Explorer. One option is to use...
Apparently you can pash a second scope to a hash-condition and the whole thing will be evaluated as a...
When using ImageMagick to manipulate images, you might see that images get darker when beeing modified by newer versions of...
I had an issue with icons from an icon font aligning differently on Linux, iOS and Windows (seemingly browser-independent...
The Codeless Code is a charming series of stories about monks and nuns at a programming monastery. Some stories to...
This is quite an edge case, and appears like a bug in Rails (4.2.6) to me. Update: This is now...
Note: This applies to plain Ruby scripts, Rails does not have this issue. When you work with Ruby strings, those...
Ruby 2.3.0 has been around since end of 2015. It brings some pretty nice new features! Make sure to read...
You can download .gem files using gem fetch: gem fetch activesupport consul This will produce files like active-support-5.0.0.gem and consul-0.12.1.gem...
As announced before, Ruby has introduced a safe navigation operator with version 2.3.0. receiver&.method prevents NoMethodErrors by intercepting method...
Processes in Linux might be put into Swap ("virtual memory") occasionally. Even parts of a single process might be removed...
If you have made any changes to a libvirt xml config file you have to reload is. One way is...
The following will search for all .feature files containing a search term and run them using geordi. find features/ -name...
All new browsers support the new object-fit CSS property. It allows to specify how an element behaves within its...
Ever needed to use a global variable in Rails? Ugh, that's the worst. If you need global state, you...
This card has become a blog post!
Macs render fonts bolder than they are, especially on dark background. This can be fixed by configuring the font smoothing...
Reading user input in console applications is usually done using Kernel#gets. Stubbing that can be a bit hairy.
When testing Ruby code that prints something to the terminal, you can test that output. Since RSpec 3.0 there is...
As you may know, HAML expands data attributes that are given as a hash: %div{ data: { count: 3 } }
IE has a "Compatibility Mode" for old browsers. You can keep IE from offering it (and fix some other things...
The linked site hosts a simple test. It shows two images with narrow vertical/horizontal lines. The more they resemble each...
PostgreSQL uses the C library's locale facilities for sorting strings: First, all the letters are compared, ignoring spaces and...