Font Awesome version 5 changed some icon names, and introduces new prefixes fab, far, and fas. There is a JavaScript...
TL;DR Use user.update!(remove_avatar: true) to delete attachments outside of forms. This will have the same behavior as...
This is a small example on how you can check if your Postgres index can be used by a specific...
This is painful. Consider using Microsoft Office or switching careers. If you need to write < 20 letters consider doing it...
The issue: You are using stub_const to change a constant value for your test. stub_const "SomeClass::CONST", 'test...
This error is raised because your old database does not have a configured environment yet, which Rails 5 enforces.
Rails applications and ruby gems should have a README that gives the reader a quick overview of the project. Its...
You should avoid using application models in your migrations. But how else could you create records in a migration?
Situation: You want to write a spec for a function inside an Angular service. This function at some point makes...
By default, browsers will not wrap text at syllable boundaries. Text is wrapped at word boundaries only. This card explains...
Git has two kind of tags: annotated lightweight Annotated tags are stored as full objects in the Git database. They...
If your application exports CSV, be advised that Excel and other spreadsheet applications treat certain cells (those starting with =, +, - or...
We're usually running Ubuntu LTS versions. Sometimes newer hardware requires packages from more recent Ubuntu releases that only come...
Checking if a JavaScript value is of a given type can be very confusing: There are two operators typeof and...
An end-to-end test (E2E test) is a script that remote-controls a web browser with tools like Selenium...
When your public-facing application has a longer downtime for server maintenance or long migrations, it's nice to setup...
Browsers support different types of redirects. Be very careful with these status codes: 301 Moved Permanently 308 Permanent Redirect
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...
TL;DR: Bundler 2.0 will rename Gemfile to gems.rb and Gemfile.lock to gems.locked (sic). The old filenames will be supported...
While the hardware mute button of my Lenovo x230 worked on Ubuntu 14.04 out of the box, it does not...
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...
When localizing model attributes via I18n you may run into errors like this: I18n::InvalidPluralizationData: translation data {...
...} can not be...