Lars Wächter

This is my personal blog where I mostly write about technical or computer science based topics. Check out my GitHub profile too.

Solving Peg Solitaire using Backtracking

December 15, 2022

Solving the Peg Solitaire puzzle game using backtracking in Kotlin.

Writing & organizing Node.js API Tests the right way

November 22, 2022

An architecture for writing and organizing your Unit & Integration Tests for Node.js REST APIs using Jest, Supertest & Chai.

Using MySQL in Node.js with TypeScript

July 05, 2022

Improve your programming experience in Node.js by using typed SQL queries.

Placeholders in string templates

June 23, 2022

Use placeholders in your string templates to make them more dynamic.

Recognizing hand drawn Doodles using Deep Learning

April 02, 2022

Building a convolutional neural network using Keras, Tensorflow and Google's Quick, Draw! dataset to recognize hand drawn images.

Why and How to learn Programming

February 28, 2022

Why you should consider learning how to program and how to get started the right way.

Improving Minimax performance

November 29, 2021

10 techniques for improving the Minimax algorithm's performance.

How I structure my React projects

August 29, 2021

A React folder structure that fits my needs. Structuring and organizing React applications.

Database seeding in Node.js

August 21, 2021

Seed your MySQL database with dummy data using Node.js.

A decent introduction to Gradient Descent in Python

February 22, 2021

Gradient Descent is a fundamental element in today’s machine learning algorithms and Artificial Intelligence. Let’s implement it in Python.

Zobrist Hashing

August 02, 2020

What it’s good for in game development and how it’s calculated by the example of tic-tac-toe in Kotlin.

Building a Stack Class in Java

February 06, 2020

A stack is a fundamental data structure in programming. Build your own one.

Path aliases with TypeScript in Node.js

February 06, 2019

Beautify the import-statements in your Node.js, JavaScript and TypeScript applications using path aliases.

How I structure my Node.js REST APIs

October 03, 2018

A Node.js folder structure that fits my needs. Structuring and organizing Node.js REST APIs with a component-based architecture.