wenshin’s gists

wenshin / mongouri

Created November 7, 2014 16:27

	def gen_user_psw(auth):
	from urllib import quote
	returned = ''
	if auth:
	# urllib.quote 转义 @:/ 等特殊字符
	# 第二个参数表示转义任何字符，默认会不转义 / 字符
	user = quote(auth['username'], '')
	psw = quote(auth['password'], '')
	returned = '%s:%s@' % (user, psw)
	return returned

wenshin / tranimation.js

Last active January 12, 2016 15:07

A zoom util for mobile web app

	/**
	* requesteAnimationFrame 兼容支持
	* @reference
	* http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/
	* @return {undefined}
	*/
	(function() {
	var lastTime = 0;
	var vendors = ['webkit', 'moz'];
	for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {

wenshin / node-proxy

Created August 26, 2016 11:33

	/**
	* Usage:
	* ```
	* $ node reverseproxy.js
	*
	* ```
	* */

	const request = require('request'); // https://github.com/request/request
	const http = require('http');

wenshin / latency.markdown

Last active October 9, 2016 05:13 — forked from hellerbarde/latency.markdown

Latency numbers every programmer should know

程序员都应该知道的延迟时间

CPU L1 缓存引用 .......................... 0.5 ns
CPU 分支错误预测 ............................ 5 ns
CPU L2 缓存引用 ............................ 7 ns
互斥锁 加锁/解锁 ........................... 25 ns
内存引用 ................................. 100 ns             
Zip 压缩 1K bytes ..................... 3,000 ns  =   3 µs
1 Gbps 网络发送 2K bytes .............. 20,000 ns  =  20 µs
SSD 随机读 ........................... 150,000 ns  = 150 µs

内存连续读 1 MB 数据 .................. 250,000 ns = 250 µs

wenshin / cltools.sh

Created July 12, 2017 06:28 — forked from justinbellamy/cltools.sh

Install Autoconf and Automake on OS X El Capitan

	#!/bin/sh

	##
	# Install autoconf, automake and libtool smoothly on Mac OS X.
	# Newer versions of these libraries are available and may work better on OS X
	#
	# This script is originally from http://jsdelfino.blogspot.com.au/2012/08/autoconf-and-automake-on-mac-os-x.html
	#

	export build=~/devtools # or wherever you'd like to build

wenshin / generate-proxy-url.js

Created December 11, 2021 06:57

	// https://noopac.com/{yourAccount}/{yourXiegongjiID}.pac
	var yourXiegongjiID = 0; // number or string
	var timestamp=Number(new Date().getTime()+Math.ceil(Math.random()*100)).toString(36);
	var id=Number(yourXiegongjiID).toString(36);

	function ip2int(ip) {
	return ip.split('.').reduce(function(ipInt, octet) { return (ipInt<<8) + parseInt(octet, 10)}, 0) >>> 0;
	}

	function init(){

wenshin / indexdb-store.ts

Last active December 27, 2021 06:15

	/**
	* iOS Webview 中，如果通过打开多个 Webview 来打开页面，那么跨页面的 LocalStorage 和 IndexedDB 都不会及时生效。
	* 原因见 https://stackoverflow.com/questions/36332208/two-wkwebviews-share-local-storage-but-only-after-restart
	* 解决方案：
	* 1. 参考修改 iOS Webview 调度逻辑 https://stackoverflow.com/questions/36332208/two-wkwebviews-share-local-storage-but-only-after-restart
	* 2. 使用 Native 提供的 Bridge
	*/
	import { isSupportKVStore, kvGetItem, kvSetItem } from '@/utils/app';
	import bridge from '@/utils/bridge';

wenshin / getObjectValue.ts

Created January 7, 2022 03:33

	export function getEnvByKeySync<T extends keyof EnvParams>(
	key: T
	): EnvParams[T] {
	return envParams[key];
	}

wenshin / parseUA.ts

Created January 7, 2022 09:05


	export function parseUA(ua: string) {
	const parsed = {
	device: 'pc',
	deviceModel: 'unknown',
	os: 'unknown',
	osVersion: 'unknown',
	};
	const [, , info] = ua.match(/^(Mozilla\|Dalvik)\/[\d.-_]+ $([^()]+)$/) \|\| [];
	const ios = info.match(/(iPad\|iPhone\|iPod).+?OS\s+([\d._-]+)/i);

wenshin / parseUA.test.ts

Created January 7, 2022 09:05

	import { parseUA } from './parseUA';

	test('parseUA', () => {
	expect(
	parseUA(
	'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36'
	)
	).toEqual({
	os: 'macOS',
	osVersion: '10_15_7',

Steven Yan wenshin

程序员都应该知道的延迟时间