Learn how to use Jest and mock functions in order to efficiently test your asynchronous code in React Apps!

Jest

This tutorial will not be an introduction to unit testing in React, so if you’re looking for something like that, I’m not sure if this is the right tutorial. But feel free to read on anyway!

Prerequisites

You will easily follow this tutorial if you meet following prerequisites:

  • Basic knowledge of…

Learn how to easily and quickly set up Android Studio in order to develop Expo Apps for Android!

Photo by Clément Hélardot on Unsplash

Intro

Being a Mac User, I avoided setting up Android Studio for quite a time, because running an iOS emulator on macOS is quite easy. So I decided to write this short tutorial in order to help you to get started with emulating Android apps with Expo the easiest way possible!

Download Android Studio

Use python in order to easily automate stuff which usually takes several minutes or even hours and save some valuable lifetime!

Recently a small company approached me and asked me to develop a tool which automatically inserts signatures in form of pngs/jpgs to pdf files. In some cases they have contracts consisting out of hundreds of single pages and on every of these pages they needed to insert a digital signature…

In this blog post you will learn how to pre-render sites with dynamic routes with NextJS in combination with MongoDB

In my previous articles I described how to integrate MongoDB to Next.js and how to store data to MongoDB with Next.js. Feel free to check out these stories if you need to fresh up your knowledge regarding NextJs.

In this post we will talk about how to pre-render dynamic routes…

Kevin Tomas

Hi there ✌🏽My name is Kevin and I'm a junior software developer from Hamburg! I'm interested in everything concerning Data Science and Web Development!

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