makandra Curriculum

makandra offers an 8 month paid trainee program 🇩🇪 for junior developers that are looking to start a professional career in...

If you run a Rails app that is using Turbo, you might observe that your integration tests are unstable depending...

GitLab has a RubyMine plugin that enables you to review and process merge requests within RubyMine! Setup Open RubyMine settings...

SimpleForm comes with an option browser_validations which could be used to give fields that have a presence validation the...

RSpec examples can get quite long, especially in feature specs. This makes them hard to read & understand. Also, when executing...

Frontend performance and user experience are orthogonal to feature development. If care is not taken, adding features usually degrades frontend...

The DB schema is the most important source of truth for your application and should be very self-explanatory. If...

We usually ship applications that self-host webfonts to comply with GDPR. Many popular web fonts are available as NPM...

Even if you don't make any beginner mistakes like N+1 queries or missing DB indices, some requests can...

tl;dr Set profile.password_manager_leak_detection to false in your Selenium Chrome options to disable password leak detection and...

Important wkhtmltopdf is deprecated and shouldn't be used anymore. Please consider switching to another tool We can install wkhtmltopdf...

It can be hard to understand what causes a browser scroll smoothly or instantly. CSS, JavaScript and the browser settings...

Say you wrap your index view in a form to apply different filters like pagination or a search query. On...

Prevent the restart of daemons from Debian package upgrades. Proper written postinstall scripts for Debian packages utilize deb-systemd-invoke...

For Selenium tests, your browser starts in your local timezone, or whatever your system's environment specifies. This is usually...

developer.mozilla.org

Here is a workaround for when you want to use text-wrap: balance but must also render nicely for browsers...

DirectUpload allows you to upload files to your file storage without having to wait for the form to submit. It...

ActiveStorage does not provide any built-in way of implementing authentication for the available DirectUpload endpoint in Rails. When using...

Method delegation in Rails can help you to keep your code organized and avoid deep call chains (law of demeter...

haml.info

Haml renders HTML with indentation reflecting the nesting level of elements. When it comes to white-space preserving content, this...

The key to unlocking the full potential of LLMs in coding lies in crafting precise prompts. The main challenge is...

When debugging slow SQL queries, it’s helpful to understand the database engine's query plan. Whenever you execute a...

Hint If you are using our opscomplete.com hosting we can set all environment variables mentioned below for your deployment on...

Rails wraps your parameters into an interface called StrongParameters. In most cases, your form submits your data in a nested...