San Chen bigsan

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

We will compare ASP.NET and Node.js for backend programming.
Source codes from examples.

This document was published on 21.09.2015 for a freelance employer. Some changes since then (14.02.2016):

Koa.js no longer uses co-routines, it has switched to Babel's async/await. yield and await are used almost in the same way, so I see no point to rewrite the examples.

	cd $HOME
	FileName='go1.12.5.linux-armv6l.tar.gz'
	wget https://dl.google.com/go/$FileName
	sudo tar -C /usr/local -xvf $FileName
	cat >> ~/.bashrc << 'EOF'
	export GOPATH=$HOME/go
	export PATH=/usr/local/go/bin:$PATH:$GOPATH/bin
	EOF
	source ~/.bashrc

	extension UIImage {
	// UIImage extension that creates a UIImage from a UIView
	convenience init (view:UIView) {
	UIGraphicsBeginImageContext(view.frame.size)
	view.layer.render(in: UIGraphicsGetCurrentContext()!)
	let image = UIGraphicsGetImageFromCurrentImageContext()
	UIGraphicsEndImageContext()
	self.init(cgImage: image!.cgImage!)
	}

	import Foundation

	extension CFStringEncodings {
	var encoding: String.Encoding {
	return String.Encoding(rawValue: CFStringConvertEncodingToNSStringEncoding(CFStringEncoding(self.rawValue)))
	}
	}

	public extension String.Encoding {
	public static let big5 = CFStringEncodings.big5.encoding

	import Foundation
	import CoreLocation

	extension CLRegionState : CustomStringConvertible {
	public var description: String {
	switch self {
	case .unknown:
	return "unknown"
	case .inside:
	return "inside"

	#!/bin/sh
	docker rm -f $(docker ps -qa)
	docker volume rm $(docker volume ls -q)
	cleanupdirs="/var/lib/etcd /etc/kubernetes /etc/cni /opt/cni /var/lib/cni /var/run/calico /opt/rke"
	for dir in $cleanupdirs; do
	echo "Removing $dir"
	rm -rf $dir
	done

	<!--
	Tutorial code for: http://www.binpress.com/tutorial/generating-nice-movie-previews-with-ffmpeg/138
	-->
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<title></title>
	</head>
	<body>
	<a href="https://www.youtube.com/watch?v=v1uyQZNg2vE" target="_blank" class="video-preview" data-frames="100" data-source="http://i.imgur.com/BX0pV4J.jpg"></a>

	{
	"version": "0.2.0",
	"configurations": [
	{
	"type": "chrome",
	"request": "launch",
	"name": "Launch Chrome against localhost",
	"url": "http://localhost:3000",
	"sourceMaps": true,
	"webRoot": "${workspaceRoot}/dist",