The plus sign feature in Gmail addresses

With a simple plus sign (+) and a tag, you can get a second address to your Gmail account.

How to open the iOS Simulator via the terminal

The simulator can be super useful, but equally super hard to find. Here is the path and how to open it.

SSH client configuration - Multiple servers and different keys

If you just like me daily connect to multiple SSH servers, then I have a tip for you.

Display line numbers using the cat command

A simple feature you one day may be glad you know.

MongoDB shell basics

A short introduction to the most basic things in the MongoDB shell.