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Learn Go in ~5mins

This is inspired by A half-hour to learn Rust and Zig in 30 minutes.

Basics

Your first Go program as a classical "Hello World" is pretty simple:

First we create a workspace for our project:

The AWK CLI Tool

A step by step introduction into the AWK command, it's syntax, uses and sample use cases.

Introduction

The awk command is a column based manipulation tool that can be used for a variety of things, from reading CSVs to killing processes, literally. At the very core, AWK is based on the following awk '{expression to qualify output} {print $output expression}' Although it's a cli tool, it offers a lot of programming language paradigms such as


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	#!/usr/bin/env python

	from subprocess import check_call, CalledProcessError
	from tempfile import NamedTemporaryFile

	from dpms import DPMS
	from mss import mss
	from PIL import Image, ImageFilter

	GAUSSIAN_BLUR_RADIUS = 5

	# Brightness

	0 - Off
	1 - Low
	2 - Medium
	3 - High

	echo 1 > /sys/class/leds/asus::kbd_backlight/brightness

	# State, when backlight is enabled

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	<html>
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	/**
	* Isotope v1.5.25
	* An exquisite jQuery plugin for magical layouts
	* http://isotope.metafizzy.co
	*
	* Commercial use requires one-time purchase of a commercial license
	* http://isotope.metafizzy.co/docs/license.html
	*
	* Non-commercial use is licensed under the MIT License
	*