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由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...了。我这两天也在思考这个事,我想以这个事来粗略地和大家讨论一下网站性能的问题。因为仓促,而且完全基于...12306.cn网站挂了,被全国人民骂了。我这两天也在思考这个事,我想以这个事来粗略地和大家讨论一下网站性能...
How to include a Font Awesome icon in React's render()
...esome/fontawesome-free-regular
$ npm i --save @fortawesome/fontawesome-svg-core
then in your component
import React, { Component } from 'react';
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
import { faCheckSquare, faCoffee } from '@fortawesome/fontawesome-free-solid'
import './A...
When is JavaScript synchronous?
...ples, but all these functions are provided by the host environment, not by core EcmaScript. With core EcmaScript you can synchronously place an event in a Promise Job Queue with Promise.resolve().
Language Constructs
EcmaScript provides several language constructs to support the asynchrony pattern...
记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...status: 0)
我一时判断不出问题所在,想想先在PHP脚本里加大Timeout的值应付一下:
<?php
MongoCursor::$timeout = -1;
?>
可惜这样并没有解决问题,错误反倒变着花样的出现了:
max number of retries exhausted, couldn’t send query, couldn&rs...
JavaScript OOP in NodeJS: how?
...
This is the most helpful answer with regards to the core NodeJS environment.
– Philzen
Jan 26 '15 at 5:50
1
...
Including a .js file within a .js file [duplicate]
...liably in IE6 (and TBH didn't care enough to put much effort into it). The core of my code is:
if (horus.script.broken) {
document.writeln('<script type="text/javascript" src="'+script+'"></script>');
horus.script.loaded(script);
} else {
var s=document.createElement('scr...
海量数据相似度计算之simhash短文本查找 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...据相似度计算之simhash和海明距离》 介绍了simhash的原理,大家应该感觉到了算法的魅力。但是随着业务的增长 simh 在前一篇文章 《海量数据相似度计算之simhash和海明距离》 介绍了simhash的原理,大家应该感觉到了算法的魅力。...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
2. 并行与分布式计算
1) 任务切分、分而治之(MR)
在大规模的数据中,数据存在一定的局部性的特征,利用局部性的原理将海量数据计算的问题分而治之。
MR模型是无共享的架构,数据集分布至各个节点。处理时,每个节...
What is the difference between JavaScript and ECMAScript?
...Script is the most popular implementation of the ECMAScript Standard.
The core features of Javascript are based on the ECMAScript standard,
but Javascript also has other additional features that are not in
the ECMA specifications/standard.
ActionScript and JScript are other l...
手把手教你如何加入主流DSP广告联盟 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...为没有设置联盟;联盟设置后可能由于服务器缓存机制,大概几十分钟生效):
3、京东联盟(http://media.jd.com/)需要审核(1天),按最终成交提成。
京东联盟设置方式和淘宝类似,这里不再进行赘述。它支持的方式有...
