Linus

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Hey there, I'm Linus and I love coding! This is my personal blog in which I'll try to share my knowledge on interesting dev-topics with you.

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Unit-Testing for your TypeScript Node.js API

Feb 15, 202111 min read

Intro Especially when working on larger projects, things can get quite complicated very soon. Some changes here, some minor cleanup there and BOOM - your code doesn't work (the way you want it to) anymore. As developers, we're used to testing newly i...

Unit-Testing for your TypeScript Node.js API

Migrating your Node.js Express API to TypeScript

Jan 14, 202113 min read

Intro Recently, I made the impactful decision to migrate my entire Node.js API from JavaScript to TypeScript. I worked with other statically typed programming languages before and therefore understood the basic concept of TypeScript. Nonetheless, I e...

Migrating your Node.js Express API to TypeScript

Revokable tokens & token theft - JSON Web Tokens

Jan 1, 202119 min read

Intro In my previous blog post, I've explained the concept of JWTs, how they're used as well as possible security issues that should be taken into consideration. Today, I'll introduce you to revokable tokens, a fundamental concept for the secure usag...

Revokable tokens & token theft - JSON Web Tokens

The magic of JWTs - how do they work?

Jul 11, 202013 min read

Intro Have you ever wondered how you're able to stay logged in after you've closed and re-opened an application on your smartphone? One thing's for sure, the app (hopefully) doesn't store your credentials and include them into every single request th...

The magic of JWTs - how do they work?

MongoDB - Security & Lockdown of your database

Feb 13, 202029 min read

Intro Now that you've installed your MongoDB database server and played around with basic Mongo-Shell commands, it's finally time to worry about a crucial aspect when dealing with databases: Securing & Locking down the stored data. Not only is the pr...

MongoDB - Security & Lockdown of your database

Remote Repositories - GIT for beginners, Part 2

Jan 11, 20208 min read

Intro Now that you know how to use GIT locally on your machine, it's time to take your development routine to a new level: remote repositories. Most of you probably know GitHub or Bitbucket, famous code-hosting services that allow you to store a copy...

Remote Repositories - GIT for beginners, Part 2