A HTTP cookie is a small piece of data that a server sends to a user's web browser. The browser may then store the cookie and send it back to the same server with later requests.

If you've ever used Array.filter to filter a list to certain type of items, you've probably been hit by TypeScript not realizing what type of items your list contains after filtering. To fix this, you can use user-defined type guards.

Have you ever had your server disk space exhausted by Docker? Is it happening right now? What can we do?!

How can we define a type for an object, which has some required attributes and some attributes, of which one and only one must be defined?

Django Framework comes with a powerful ORM and query capabilities built-in. If you're only familiar with the basics of Djangos Query API, this article will introduce some more advanced queries and methods you can use.

If you're using a custom webpack config, you'll want to make sure the filename has a cache busting suffix.

Sometimes it's useful to convert a array to a map for convenience or performance reasons. But how can we achieve that so that the resulting code will be easy to understand?

In the second article of the series, we take a look at some of the CSS and layout

Debugging, or finding the reason why your code doesn't work, is one of the most important skills a software developer needs. If you can debug effectively, you'll catch problems faster and even gain a better understanding on how things work under the hood.

Grids are a powerfull feature of CSS but they can be a little overwhelming at first. In this article, we'll go through some basic concepts of CSS grids and learn how we can use grids to build layouts.