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Computer Science Blog

Cloud

RESTful API with Spring Boot

REST API or web service development can be time-consuming, no matter which programming language you are using. Spring Boot aims to speed up the process of developing web services significantly and does so well. We look at the Spring Boot technology, review its key criteria for success, and build a fully functional REST API in less than 20 minutes.

Code Principles

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.

Environment

How to Sign All GitHub Commits

Ever wondered how you verify your commits for GitHub? In this short Tutorial we’re going to show you how to do it! We assume however, you’re using a Linux distribution.

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Cloud

Cloud Foundry Components

Are you new to Cloud Foundry (CF) or want to know what it is? We take a look into the Cloud Foundry components to get a broad overview of the PaaS solution.

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Nice to know

5 Programming facts every programmer must know

Are you a developer, computer scientist, software engineer, or just interested in coding? Whatever matches, you probably should know all of these facts about programming and coding! Do you?

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Code Principles

Decorators in Python

Have you ever seen “@” symbols in Python code and wondered how they work and what they do? The expressions used with them are called decorators, and while they may seem magical at first glance, understanding them is not a masterpiece. In this post we are going to demystify the decorators in Python and explain what they do, how they work, and how you can create them yourself!

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Python

New Syntax Features in Python 3.9

In October 2020, Python 3.9 introduced amazing new syntax features. As of now, you can use the new operators for dictionaries, better type hints and the advanced syntax for decorators. Read more about them in this post!

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Python

5 Ways to Speed Up Python Code

Python isn’t the fastest language by far, but it is fun and forgiving due to the dynamic typing and the reduced response because of being

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Algorithms

Bubble Sort in Python and how to Visualize it

In this post about the bubble sort algorithm in Python, we want to look into how to implement and visualize it. Bubble sort isn’t quite an efficient algorithm when it comes to time complexity. However, it is easy to code and to understand, so it is often an introductory problem for computer science students and pupils.

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Code Interview

Reverse words in a string

The problem of reversing the order of words in a string was one of the most popular code interview questions of 2020. We want to solve the problem here ad present and exemplary solution.

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Algorithms

Visualize K Means Algorithm in Python

In this article we want to take a look at the k-means algorithm. The k-means algorithm is used to determine clusters. It is often the first algorithm you will see in any machine learning introduction, as it is easy to understand. We will code the algorithm in Python and also visualize it.