User Experience (UX) Design for Web Developers and Engineers

Discover key UX principles for developers—learn to create intuitive, user-friendly interfaces that enhance interaction and usability.

Good To Know

Subdomain Routing using directories in NextJS App Router (NGINX)

Learn how to serve directories from the NextJS app router to subdomains, even for local development!

Yannic Schröer

January 1, 2024

Good To Know

SSE in Action: Building a Progress Bar with Spring and React

In this post you will learn how to implement a progress bar with Server-Sent Events, Spring and React

Matthias Klee

September 13, 2023

Code Principles

The Boy Scouting Rule

Improving code quality can be challenging throughout a project's lifecycle. Learn how to improve it continuously

Matthias Klee

August 23, 2023

Good To Know

A Beginners Guide to Git

Learn from a beginners perspective, what git and a version control system (VCS) is used for and how

Conrad Hess

May 15, 2023

Architecture

Building a REST Service in Java following Clean Architecture

Discover how to build a Java REST service with Clean Architecture. Learn scalable API design for efficient and maintainable software development.

Matthias Klee

January 6, 2023

Cloud

Self Signed SSL Certificate in NextJS

Get rid of the DEPTH_ZERO_SELF_SIGNED_CERT error in NextJS when using a self signed SSL certificate.

Yannic Schröer

December 29, 2022

Cloud

Kubernetes Cloud Landscapes at Scale with GitOps and Argo CD

Learn how to build and operate complex Kubernetes cloud landscapes at scale with GitOps and Argo CD.

Jonas Scholl

November 19, 2022

Cloud

Availability in Service-Level Agreements (SLA)

Learn what service level agreements have to do with availability and how availability is calculated

Yannic Schröer

October 9, 2022

Architecture

The Twelve-Factor App Methodology

Some might argue that the twelve-factor principles are oudated. But they are far from that. The principles are still applicable to almost any cloud application

Yannic Schröer

October 8, 2022

Cloud

Form Endpoint to send Emails with AWS Lambda and AWS SES

Learn how to easily build an endpoint for your forms that triggers an email at nearly zero cost and effort.

Yannic Schröer

May 25, 2022

Good To Know

Linux Multi-Factor Authentication

Read about how to apply multi-factor authentication on Linux (servers), to sleep better even though you know your server is publicly available

Yannic Schröer

April 4, 2022

Architecture

Hyrum's Law of Implicit Dependencies

If Hyrum’s Law would be a movie I would describe it as: The consequences of bad documentation and assumptions on interfaces.

Yannic Schröer

September 30, 2021

Python

No matching distribution found for pkg-resources==0.0.0

Wonder what the f**k pkg-resources==0.0.0 is? This is caused by an error of the virtualenv library. Learn how to fix it.

Yannic Schröer

March 15, 2021

Code Principles

SOLID Principles with Python Code Examples

SOLID Principles – If you are a professional developer, there’s no way around these rules for object-oriented software design.

Yannic Schröer

March 15, 2021

Python

Decorators in Python

The Decorator Principle adds flexibility to customize functions in Python by adding extra behavior. It's implemented using callables and the '@' syntax.

Jonas Scholl

February 23, 2021

Python

Bubble Sort, Big O and visualization with Python

Learn how bubble sort works and implement it in Python. Optimize the algorithm and visualize the sorting process with matplotlib

Yannic Schröer

February 2, 2021

Code Principles

GRASP - General Responsibility Assignment Software Principles

GRASP is an acronym for General Responsibility Assignment Software Principles. In this article, we want to point out these principles and how they work.

Yannic Schröer

January 31, 2021

Python

Visualize K Means Algorithm in Python

Learn how to create and visualize the k-means algorithm - a very basic clustering algorithm that is often taugth in introductory data science classes

Yannic Schröer

January 31, 2021

Python

Dictionary-Tricks in Python

Explore the versatility of Python dictionaries, from storing key-value pairs to looping, sorting, and merging. Unlock the full potential of Python dictionaries!

Jonas Scholl

December 8, 2020

Python

Marching Cubes Algorithm

The Marching Cubes Algorithm is a meshing algorithm in the field of computer graphics. It is used to extract a polygonal mesh out of an isosurface

Jonas Scholl

December 5, 2020

Python

Midpoint Line Algorithm

The midpoint line algorithm is a drawing algorithm in the field of computer graphics. It is used to determine how lines are translated into pixels.

Yannic Schröer

December 1, 2020

Python

7 Python Easter Eggs

Unveil Python's easter eggs: Zen, Uncle Barry, no braces, antigravity, hash tricks, and Monty Python references. Enjoy the humor!

Jonas Scholl

October 28, 2020

Python

Python Switch-Statement Alternative

Most common programming languages feature the switch-case statement, while Python doesn't. Learn about structural pattern matching and alternatives

Jonas Scholl

October 25, 2020

Python

Underscores in Python

Learn about different underscore types in Python such as the "dunder" and what conventions are in place as indications

Yannic Schröer

September 29, 2020

Python

Concurrency in Python

Concurrency saves time by using multiple CPU cores. Learn about multithreading and multiprocessing in Python for efficient computing

Yannic Schröer

August 17, 2020

Python

Use Python Type Hints!

Python uses dynamic typing, which is sometimes a pain. You can't specify explicit types for variables - but you can utilize typing nevertheless

Jonas Scholl

August 17, 2020

Code Principles

Meaningful Names

Every developer heard this sentence at least once before: “Use meaningful names for your variables!”.

Jonas Scholl

July 31, 2020

Code Principles

Comments - What you should keep in mind

Discover the value of comments in code and learn to write self-explanatory code while utilizing effective comments when needed.

Jonas Scholl

July 22, 2020

Code Principles

Do one thing - Not the single responsibility principle (SRP)

The “Do one thing” rule for programming is essential to everyone’s clean code philosophy. Learn why and how to apply it.

Yannic Schröer

July 20, 2020

Code Principles

KISS Principle (Keep it simple stupid)

KISS (keep it simple stupid) - a design rule that every professional developer should know. Reduce complexity and improve readability

Yannic Schröer

July 18, 2020

Code Principles

DRY Principle

Do you tend to repeat code over and over again? There are several important reasons besides DRY (Don’t Repeat Yourself) not to do so.

Yannic Schröer

June 15, 2020