Curiosum TILs

Warnings in Elixir are usually an important sign of a problem in the codebase. There is an easy way to make them gone.

Did you ever create a commit that you wish never happened? Let's be honest - we all did. There is an easy way to revert it in Git.

If you ever had to count occurrences of values in Elixir's list, this short post might be helpful for you!

There are a bunch of operations you may want to perform before the rendered response in conn is sent to the client, such as minification. In this post I'll show you how to do it easily.

In this post, you'll learn how to easily redirect users to the previous path using the Navigation History plug.

Sooner or later you'll have to change the null constraint in one of your DB relations. How to do it easily in Ecto?

Sooner or later you may need to convert a string in Elixir to a camel or snake case. With Macro module (available in Elixir without extra dependency) it's super easy.

Sometimes you may notice that your website displays an unintended horizontal scrollbar. You may be wondering what is the cause.

Did you know that it's possible to set default value in Javascript object destructuring?

Nowadays, with an ever-growing number of web services, we tend to overload Web apps with external resources. As a result, it decreases page load speed and affects SEO score. There is a pretty easy solution for that.

In some cases, like for testing purposes, you might want to use an npm package stored on a local machine. Here is how you can do that with one simple command.

With pure function React Components you're not allowed to use lifecycle methods like componentDidMount or componentWillUnmount.