HappyCoders logo

Become a Better Programmer!

Sven Woltmann
Receive regular tips about Java programming, algorithms and data structures!
Newsletter Form (en)
Unsubscribe whenever you want. Read my Privacy Policy.
Write better code with static code analysis - feature imageHow to Write Better Code with Static Code Analyzers
Sven WoltmannSven WoltmannAugust 14, 2019
In this article you'll learn how to use static code analysis tools to ensure a consistent code style and write clean, bug-free, maintainable, and secure code.
Read more »
How to write quality code and enforce Java code standards - feature imageHow to Write Quality Code and Enforce Java Code Standards
Sven WoltmannSven WoltmannJuly 31, 2019
How can you enforce compliance with coding style specifications? How can code quality be improved and maintainability increased?
Read more »
Why and how you should start your own developer blog - feature imageWhy and How to Start a Developer Blog?
Sven WoltmannSven WoltmannJune 19, 2019
In today's article, I will show you why, as a software developer, you should write a developer blog, how it will get you ahead and how to get started.
Read more »
Manjaro tutorial: Installing Manjaro Linux on the Dell XPS 15 - Feature imageTutorial: Installing Manjaro Linux on the Dell XPS 15 9570
Sven WoltmannSven WoltmannJune 2, 2019
This article is a step-by-step guide through the installation of Manjaro Linux on a Dell XPS 15.
Read more »
Manjaro tutorial: BIOS, UEFI, MBR, GPT, GRUB, SED, LUKS - Feature imageManjaro Tutorial: BIOS, UEFI, MBR, GPT, GRUB, SED, LUKS
Sven WoltmannSven WoltmannJune 1, 2019
In this article, you'll learn the basic concepts of Linux installation: • BIOS vs. UEFI / EFI • MBR vs. GPT • GRUB and boot options • How to setup a boot partition • How to encrypt your data
Read more »
Manjaro tutorial - Which Linux is the best for Java developers - feature imageManjaro Tutorial: Which Linux is Best for Java Developers?
Sven WoltmannSven WoltmannMay 30, 2019
In this article, I share how I chose a Linux distribution and a Linux desktop environment, and how I chose a new Laptop for programming.
Read more »
advent of code 2015 solutions
HappyCoders Glasses

Advent of Code 2015 – Object-oriented Solutions in Java

Sven WoltmannSven WoltmannDecember 1, 2018
Here you can find all solutions to Advent of Code 2015. All tasks are implemented in an object-oriented and test-driven way in Java.
Read more »
Ansible tutorial: setting up HAProxy, HTTPS, Let's Encrypt, Certbot with Ansible - feature imageAnsible Tutorial: Setup HAProxy and HTTPS from Let’s Encrypt with Ansible
Sven WoltmannSven WoltmannNovember 2, 2018
In this fourth and final part of the series, I will show you how to set up HAProxy – again with Ansible – as well as a free HTTPS certificate from Let's Encrypt / CertBot to make the website accessible via HTTPS.
Read more »
Ansible tutorial: setting up Docker, MySQL and WordPress with Ansible - Feature imageAnsible Tutorial: Setting up Docker, MySQL, and WordPress with Ansible [Updated 2020]
Sven WoltmannSven WoltmannNovember 1, 2018
In this article, you'll learn how to install Docker with Ansible and – on top of that – MySQL and WordPress as Docker containers.
Read more »
Ansible tutorial: setting up user accounts, SSH and firewall with Ansible - feature imageAnsible Tutorial: Setup of User Accounts, SSH, and Firewall with Ansible
Sven WoltmannSven WoltmannOctober 20, 2018
In this article, you'll learn how to use Ansible to create user accounts, how to define the hostname and create a hosts file, how to optimize the SSH configuration, and how to configure your firewall.
Read more »
1 … 11 12 13 14