Charles Wei JavaCS3

2019 Personal Highlights

正则表达式是一个可以帮助我们匹配复杂字符串模式的工具

Add the following in your ~/.ssh/config

Host <dest domain/ip>
  ProxyCommand ssh -q -W %h:%p <proxy user>@<proxy domain/ip>

Example

A cashier in a shop need a program that will print out a receipt for a given order. And you're going to implement that.

We're going to use some objects interaction to represent a payment process, and then print a receipt.

# python version

	const assert = require('assert')

	const ENCODERS = {
	raw(len) {
	return function(v) {
	assert(v instanceof Buffer)
	const buffer = Buffer.alloc(len)
	v.copy(buffer)

	return buffer

	for fgbg in 38 48 ; do #Foreground/Background
	for color in {0..256} ; do #Colors
	#Display the color
	echo -en "\e[${fgbg};5;${color}m ${color}\t\e[0m"
	#Display 10 colors per lines
	if [ $((($color + 1) % 10)) == 0 ] ; then
	echo #New line
	fi
	done
	echo #New line

	# Style Guide: https://github.com/google/styleguide/blob/gh-pages/pyguide.md
	# Pythonic: https://docs.python-guide.org/writing/style/

	from __future__ import absolute_import
	from __future__ import division
	from __future__ import print_function

	import os
	import sys
	import string

	#!/usr/bin/env python
	# Style Guide: https://github.com/google/styleguide/blob/gh-pages/pyguide.md
	# Pythonic: https://docs.python-guide.org/writing/style/

	from __future__ import absolute_import
	from __future__ import division
	from __future__ import print_function

	import os
	import re

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>JS Bin</title>
	<script src="http://ajaxorg.github.io/ace-builds/src/ace.js"></script>
	<style>
	#editor { position: absolute; top: 0; left: 0; right: 0; bottom: 0;}
	.ace_link_marker {
	position: absolute;