Let's say you have a folder images and want to to move all files in there to a new...
The linked article shows how to exploit websites that include unsanitized user input in their CSS. Although the article often...
Hack to implement an inverted "night mode" theme with a few lines of CSS. Colors in images are preserved.
TL;DR: Bundler 2.0 will rename Gemfile to gems.rb and Gemfile.lock to gems.locked (sic). The old filenames will be supported...
You need to set the :inverse_of option manually for relations that have an association to a polymorphic model. Otherwise...
When you want to group rails models of a logical context, namespaces are your friend. However, if you have a...
RSpec allows defining methods inside describe/context blocks which will only exist inside them. However, classes (or any constants, for that...
While the hardware mute button of my Lenovo x230 worked on Ubuntu 14.04 out of the box, it does not...
Let's say you have a form that you render a few times but you would like to customize your...
FactoryBot allows a :class option to its factory definitions, to set the class to construct. However, this option is not...
After loading a staging dump into development, you might get an ActiveRecord::EnvironmentMismatchError when trying to replace the database (like...
On my Ubuntu MATE machine, switching applications with ALT + TAB was impossible, because it took nearly 2 seconds. The culprit...
The linked documentation explains how to get a JSON list of the latest 100 events of a given issue. Simply...
There are several gems that make it easy to read and process xlsx files. Parsing the entire file at once...
When localizing model attributes via I18n you may run into errors like this: I18n::InvalidPluralizationData: translation data {...
...} can not be...
If another session is accessing your database you are trying to reset or drop you might have seen the following...
You need to disable "Bluetooth low energy", then follow these core steps: Make sure the headphones are in pairing mode...
Here is some JavaScript code that allows you to click the screen and get the clicked element's text contents...
Use return to return from a method. return accepts a value that will be the return value of the...
I frequently find myself needing a combination of group_by, count and sort for quick statistics. Here's a method...
Sometimes modern Javascript projects get out of hand. A major culprit in this can be the messy handling of asynchronous...
before(:all) runs the block once before all of the examples. before(:each) runs the block once before each...
If you want to ssh into your vagrant box without switching into the project directory and typing vagrant ssh, you...
There are many approaches out there how you can import data from a legacy application to a new application. Here...