If you're trying to start a cloud-init based Ubuntu VM with KVM you will suffer long boot times...
Run dconf-editor (as your user) Go to org / mate / panel / objects / clock / prefs Change the key format to custom...
SVG is an acronym for "scalable vector graphics". SVGs should be used whenever an image can be described with vector...
Icomoon.io offers a free app to build custom icon webfonts. It offers downloads as webfont set (.eot, .ttf, .woff, .woff2...
#reverse_order does not work with complex sorting constraints and may even silently create malformed SQL for rails < 5.
1. Sometimes you have search entries in the autocomplete of the address bar, which are higher weighted than your bookmarks...
AWstats is build to regularly run on webservers. If you want it to build a report once, here is the...
You might get the above error message when cloning certain git repositories (for example the rails repository). It indicates that...
Detect if a gem has been activated A gem is activated if it is either in the current bundle (Gemfile.lock...
We have released a new library Gemika to help test a gem against multiple versions of Ruby, gem dependencies and...
This error can be caused by the mysql2 gem under mysterious circumstances. You need to remove it with gem uninstall...
Say you have an RGBA color that you need as a non-transparent color because of reasons. Basically, this is...
Same requests are recorded only once in vcr. Replaying a test fails, if you trigger the same request multiple times...
Rails 5 migration classes look like this now: class CreateUsers < ActiveRecord::Migration[5.0] Mind the [5.0] at the end.
These are Chrome plugins that proved useful at makandra. Each is the best-in-class. Dimensions Auto-measure distances by...
When you are calling Bundler from your shell scripts, you might find it useful that a failed bundle call returns...
ActiveSupport::Notifications provides an instrumentation API for Ruby. It is used throughout rails to publish instrumentation events that include information...
A few releases back, Chrome started using a Material Design UI on desktop. If you don't like it (on...
Similar to our snippet that runs all Cucumber features matching a given string, the following will run all modified or...
You know those helper methods that just render some HTML but look weird because of content_tags all over the...
We have a new gem Minidusen which extracts Dusen's query parsing and LIKE query functionality. Minidusen can no longer...
If you were using Dusen for its query parsing and LIKE queries, we recommend to migrate to Minidusen, which extracts...
Git is hard: screwing up is easy, and figuring out how to fix your mistakes is fucking impossible. Git documentation...
There is no build in functionally in jQuery and Prototype to extract params from a url. You can use this...