Lars Wächter – Medium

Published in Level Up Coding

·Pinned

A Decent Introduction to Gradient Descent in Python

Gradient Descent is a fundamental element in today’s machine learning algorithms. We use Gradient Descent to update the parameters of a machine learning model and try to optimize it by that. The clue is that the model updates those parameters on its own. This leads to the model making better…

Machine Learning

15 min read

A Decent Introduction to Gradient Descent in Python

Machine Learning

15 min read

Published in The Startup

·Pinned

How I structure my Node.js REST APIs

When I started using Node.js for building REST APIs on the server side, I struggled a lot with the same question over and over again: How should the folder structure look like? Obviously there’s not a perfect or 100% correct answer to this question but after reading some articles regarding…

Java Script

5 min read

Java Script

5 min read

Published in Level Up Coding

·Feb 28, 2022

Why and How to Learn Programming

Programming is one of the most demanded skills in today’s world. And in future, it’ll play an even bigger role since digitalization is in full swing. Software is an integral part of our lives and even children already learn how to create it at a young age. So why shouldn’t…

Programming

12 min read

Programming

12 min read

Published in Level Up Coding

·Nov 30, 2021

Improving Minimax performance

The Minimax algorithm, also known as MinMax, is a popular algorithm for calculating the best possible move a player can player in a zero-sume game, like Tic-Tac-Toe or Chess. It makes use of an evaluation-function provided by the developer to analyze a given game board. During the execution Minimax builds…

Programming

8 min read

Programming

8 min read

Published in Level Up Coding

·Sep 5, 2021

How I structure my React projects

It’s been quite a while since I wrote an article about how I structure my Node.js REST APIs. The article covered the approach of designing a well-organized and maintainable folder structure for Node.js applications. So today I don’t want to talk about Node.js APIs, but about the architecture of React…

Programming

6 min read

Programming

6 min read

Published in Level Up Coding

·Aug 21, 2021

Database seeding in Node.js

In this article I’d like to talk about database seeding using Node.js and MySQL: what it is and how to implement it. You’ll notice that it’s actually quite easy and straightforward. For this tutorial, I chose MySQL as the database system but this procedure should also work with any other…

Nodejs

3 min read

Nodejs

3 min read

Published in Level Up Coding

·Aug 2, 2020

Zobrist Hashing

Zobrist hashing, named for its inventor Albert Zobrist, is a technique to represent game board positions, like from chess or Go, as hash value. It’s mainly used with transposition tables, a special kind of hash table that is indexed by a board position and used to avoid analyzing the same…

Programming

5 min read

Programming

5 min read

Published in The Startup

·Mar 29, 2020

Setting up a MySQL container in Docker

Docker is a term you might already have heard or read about in the tech scene since it’s a quite upcoming trend in the last couple of years. Docker is platform as a service (PaaS) mostly used by software developers to develop, deploy, and run applications. A big benefit of…

Tutorial

3 min read

Tutorial

3 min read

Published in DataDrivenInvestor

·Feb 23, 2020

Increasing your productivity with Telegram and Node.js

Some time ago I searched for an easy way to establish a communication channel between a mobile device and a Node.js webserver. My goal was to exchange messages over this channel and receive information about the weather, public transportation and more. For example I send the message /train and receive…

Programming

2 min read

Improving your productivity with Telegram and Node.js

Programming

2 min read

Published in Level Up Coding

·Feb 6, 2020

Building a Stack Class in Java

A stack is a fundamental data structure in programming. It behaves like a data container where new items are added to the top of the stack and you only have access to last one added (most top item). A definition by Oracle (source) The Stack class represents a last-in-first-out (LIFO)…

Programming

4 min read

Programming

4 min read