Rails is our web framework. Goals Be able to write a simple Rails application. Understand how Rails talks to the...
JavaScript is a scripting language supported by all browsers. Browsers don't speak Ruby, so if we want to implement...
When your code does not behave as expected, you can use a debugger statement ("breakpoint") at any point in your...
Learn Enough Command Line to be Dangerous (it's in our library => Google Drive) CLI tricks every developer should...
Web security basics Einführung in die Web Security 🇩🇪 provides essentials for the topic of this card. Read following chapters:
Method lookup Understand all the terms in How Ruby method lookup works, in particular: include extend singleton class
Goal of this lesson is to understand what middlewares in Rack are good for. Rack Start with these articles:
We've already learned how to integrate user-provided images uploads to our application in 205 basic file uploads and...
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Important wkhtmltopdf is deprecated and shouldn't be used anymore. Please consider switching to another tool We can install wkhtmltopdf...
Here is a bash script that I use to auto-configure displays on Ubuntu 24.04 with Xorg. Background