MySQL

Only full group by when executing a query in MySql 5.7

When `SELECT`ing a column that is not part of the GROUP BY there could be multiple values for that column within the groups, but there will only be space for a single value in the results.

Python

Create a Windows 10 Python 3 environment

Setup a python development environment on Windows 10 using VirtualBox and Vagrant

Python

Install Ansible on Windows 10

Install ansible on windows 10

GIT

GIT guidlines

Some useful tips and tricks about how to easily use git from command line

Linux

Ubuntu/Debian install ansible 2.x

Install Ansible 2.x in Ubuntu / Debian

GIT

Create new branch in github

Some instructions about how to correctly create a new branch and a Pull Request in github using command line. Git GUIs are not recommended.

HTML

How to create a complex table in HTML

Coding HTML tables into your web page is fairly easy since you need only understand a few basic table codes. The basic structure of an HTML table consists of the following tags: table tags: table, row tags: tr and cell tags: td.

GIT

Getting started with Git

A very simple guide about git usage with examples.