sspencer

// Two ways to serve transparent GIF

var buf = new Buffer([
    0x47, 0x49, 0x46, 0x38, 0x39, 0x61, 0x01, 0x00, 0x01, 0x00, 
    0x80, 0x00, 0x00, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x2c, 
    0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 
    0x02, 0x44, 0x01, 0x00, 0x3b]);

res.send(buf, { 'Content-Type': 'image/gif' }, 200);

jeremyroman

# Additional caching and such might be helpful for performance.
# Sass's regeneration only on changed files should work as long as the server provides the Last-Modified header

require 'net/http'
require 'time'
require 'sass'

module Sass
  module Importers
    # Importer which issues HTTP requests

lemonhall

function encodeToGb2312(str){
    var strOut="";
    for(var i = 0; i < str.length; i++){
        var c = str.charAt(i); 
        var code = str.charCodeAt(i);
        if(c==" ") strOut +="+";
        else if(code >= 19968 && code <= 40869){
            index = code - 19968;
            strOut += "%" + z.substr(index*4,2) + "%" + z.substr(index*4+2,2);
        }

paulirish

// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating

// requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel

// MIT license

(function() {
    var lastTime = 0;
    var vendors = ['ms', 'moz', 'webkit', 'o'];

chriseppstein

@include keyframes(appear-and-roundify) {
  0%   { opacity: 0; @include border-radius(2px);  }
  100% { opacity: 1; @include border-radius(10px); }
}

neekey

#!/bin/sh
# YUI compressor shell 简单脚本
# params:
#   -f 需要压缩的文件名
#   -o 输出文件名
#   -c 压缩编码
# 使用说明:
#   在~/.profile 中为本脚本的执行添加一个别名比如:
#       alias yui="/users/neekey/yuicompressor.sh"
#   然后进入需要压缩文件的目录:

walkermatt

from threading import Timer


def debounce(wait):
    """ Decorator that will postpone a functions
        execution until after wait seconds
        have elapsed since the last time it was invoked. """
    def decorator(fn):
        def debounced(*args, **kwargs):
            def call_it():

digitaljhelms

Branching

Quick Legend

Description, Instructions, Notes

Instance	Branch

neekey

捕捉浏览器中的JS运行时错误，主要通过监听window.onerror来实现。但是对于不同的脚本执行方式以及不同的浏览器，能捕获到的信息会有区别。

window.onerror 讲接收3个参数：

• msg：错误描述，比如：a is not defined
• url：出错脚本所在的url
• lineNumber：出错脚本的行数

本文将对不同浏览器和不同的脚本执行方式进行测试，并总结这些区别。

wavded

function map (arr, func) {
  return Promise.resolve().then(function () {
    return arr.map(function (el) { return func(el) })
  }).all()
}

function mapSeries (arr, func) {
  let currentPromise = Promise.resolve()
  let promises = arr.map(function (el) {
    return currentPromise = currentPromise.then(function () {