Rails applications and ruby gems should have a README that gives the reader a quick overview of the project. Its...
Situation: You want to write a spec for a function inside an Angular service. This function at some point makes...
PostgreSQL's Common Table Expressions (CTEs) can be used to extract sub-queries from bulky SQL statements into a temporary...
We're usually running Ubuntu LTS versions. Sometimes newer hardware requires packages from more recent Ubuntu releases that only come...
A common pattern in Ruby is to to require all files in a specific diretory, using something like Dir.glob(Rails.root.join...
After loading a staging dump into development, you might get an ActiveRecord::EnvironmentMismatchError when trying to replace the database (like...
When localizing model attributes via I18n you may run into errors like this: I18n::InvalidPluralizationData: translation data {...
...} can not be...
You need to disable "Bluetooth low energy", then follow these core steps: Make sure the headphones are in pairing mode...
First, go to the webinterface of your phone. Choose Software Update in the navigation on the left. Next, you have...
Middleman is a static page generator that brings many of the goodies that Rails developers are used to.
In case you want to require a gem, that is not in the Gemfile of you bundle and therefore not...
When you load a dump for development, records may reference images that are not available on your machine.
As web developers, we know how easy it is to end up with web page bloat. But loading a webpage...
Reminder of what you can do with Geordi. Note: If you alias Geordi to something short like g, running commands...
Sometimes huge refactorings or refactoring of core concepts of your application are necessary for being able to meet new requirements...
Plot graphs in Ruby WebGraphviz renders in your browser via JavaScript (to store the rendered graph, extract the SVG using...
When running tests via parallel_tests, you may encounter an error: cannot load such file -- parallel_tests/gherkin/runtime_logger Error creating formatter...
When a directory has more than a few thousand entries, ls will start taking really long to list its content...
SVG is an acronym for "scalable vector graphics". SVGs should be used whenever an image can be described with vector...
Say you have an RGBA color that you need as a non-transparent color because of reasons. Basically, this is...
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...
There is no build in functionally in jQuery and Prototype to extract params from a url. You can use this...