When you need test images, instead of using services like lorempixel or placehold.it you may generate test images yourself.
Boot partitions from installations prior to the 16.04 era are terribly small. When you install updates and encounter errors due...
geordi delete_dumps [directory] Recursively search for files ending in *.dump and offer to delete those. When no...
You might have some trouble running a Rails LTS 2 app with MySQL 5.7. If you don't want to...
MySQL and MariaDB have an SQL mode setting which changes how MySQL behaves. The SQL mode value is comprised of...
The httpclient gem comes with a custom SSL cert store. While an customizable, application-level cert store is great when...
Running rails server will start a local server that you can access via http://localhost:3000. When you are working...
We often use the Then console step from spreewald in combination with geordi vnc from geordi to debug tests within...
Form fields can be rendered as noneditable by setting the disabled or the readonly attribute. Be aware of the differences...
Your default postgres user is named like your linux user. That default user has limited access privileges, which can cause...
Trying to open a vnc window with geordi geordi vnc ended up with this error: > VNC viewer could not be...
If you want to make a screenshot of a website that works well in print or on a high-DPI...
When a Rails controller action should handle both HTML and JSON responses, do not use request.xhr? to decide that. Use...
Understanding your type of cronjob Some cronjobs must only run on a single server. E.g. when you run nightly batch...
If your Rails application is using Webpack you need to serve assets on the same host as you application runs...
To check which elements an ActiveRecord relation contains use the contain_exactly matcher. describe User do let!(:admin) { create(:user...
Rails applications and ruby gems should have a README that gives the reader a quick overview of the project. Its...
When making requests using curl, no cookies are sent or stored by default. However, you can tell curl to re...
By default, browsers will not wrap text at syllable boundaries. Text is wrapped at word boundaries only. This card explains...
HTTPie consists of a single http command designed for painless debugging and interaction with HTTP servers, RESTful APIs, and web...
If your Angular app has some decent complexity, it will not be easy to use UI Router straight away. Here...
When an Rspec example fails, I usually investigate by running that example again using rspec . However, this does not work...
You are not using javascript tests The file is served from a public folder (not via controller) Problem description...
An end-to-end test (E2E test) is a script that remote-controls a web browser with tools like Selenium...