Fahim Shahrier Rasel fahimshahrierrasel

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:

Troubleshooting Valet on Sierra

Common Problems

Problem: I just see "It works!"

Apache is running on port 80 and interfering with Valet.

Stop Apache: sudo /usr/sbin/apachectl stop
Restart Valet: valet restart

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

	import 'dart:convert';

	Map<String, dynamic> parseJwt(String token) {
	final parts = token.split('.');
	if (parts.length != 3) {
	throw Exception('invalid token');
	}

	final payload = _decodeBase64(parts[1]);
	final payloadMap = json.decode(payload);

	/* HOC fundamentally is just a function that accepts a Component and returns a Component:
	(component) => {return componentOnSteroids; } or just component => componentOnSteroids;
	Let's assume we want to wrap our components in another component that is used for debugging purposes,
	it just wraps them in a DIV with "debug class on it".
	Below ComponentToDebug is a React component.
	*/

	//HOC using Class
	//it's a function that accepts ComponentToDebug and implicitly returns a Class
	let DebugComponent = ComponentToDebug => class extends Component {

	/*
	* Copyright 2012 Google Inc.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software