Thoughts, tips about programming and related subjects to make your job easier and more pleasant so you won't burnout quickly.
Dependency Injection is a pattern that knows how to create instances of objects (called services) and its dependencies necessary to make an app work. DI knows how to create a service or where to find its dependencies. For example ArticleController might need access to ArticleRepository,...
We all know what instanceof does. By definition The instanceof operator tests to see if the prototype property of a constructor appears anywhere in the prototype chain of an object. The return value is a boolean value. From: https://developer.mozilla.org/en-US/docs/Web/...
During my career as programmer I have created a lot of tools to tackle specific problems but I've never spent enough time to advertise or document them. Inspired by Naval's quote I've decided to change it.Open source means each problem only has to be...
Jest test runner has great feature for snapshot testing. A concept that greatly improves the process of writing tests. I'd like to briefly explain how it works and what you can do to improve even more. How snapshot testing work Let's start with an example...
I bet you already heard about JSON and you know that in order to convert regular an object to JSON you just need to call JSON.stringify and JSON.parse in order to get the object back. Short but not so beautiful story. The worst...
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