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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
...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，每个节点就近读取本地存储的数据处理(map)，将处理后的数据进行合并(combine)、排序(shuffle and so...
Best way to initialize (empty) array in PHP
...creation and instantiation. I wonder whether there are any equivalences in PHP?
8 Answers
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Is it possible to delete an object's property in PHP?
...ght mind, convert an array into an object? It just makes no sense (even if PHP allows it). I will not encorage and spread bad programming habits by commenting on this :) No offense.
– Yanick Rochon
Mar 21 '14 at 2:54
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Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
... check that a variable we were using as a number, was actually numeric. In PHP you should widely use a set of functions to check that inputs are integers, floats, alphanumeric etc. But when it comes to SQL, heed most the value of the prepared statement. The above code would have been secure if it ...
How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?
...I delete a directory and its entire contents (files and subdirectories) in PHP?
21 Answers
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宽度默认980px？手机浏览器及pc浏览器width自适应问题 - 更多技术 - 清泛网...
宽度默认980px？手机浏览器及pc浏览器width自适应问题Tips: 调试 iPad 或 iPhone 可在设置中启动调试模式，在 Mac 中的 Safari 浏览器 同样开启开发者模式后，进行联机调试。功能彪悍...Tips: 调试 iPad 或 iPhone 可在设置中启动调试模式，...
PHP code to convert a MySQL query to CSV [closed]
What is the most efficient way to convert a MySQL query to CSV in PHP please?
6 Answers
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创业公司如何实施敏捷开发 - 资讯 - 清泛网 - 专注C/C++及内核技术
...这个东西并不是神器，实施了就可以解决所有软件公司的问题，而是要结合自己公司的特点和问题摸索出适合自己的一套模式。
大家都知道，创业公司刚开始需要研发出一款产品并且能够使公司赚钱的产品，不过大部分创业公...
PHP - Extracting a property from an array of objects
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If you have PHP 5.5 or later, the best way is to use the built in function array_column():
$idCats = array_column($cats, 'id');
But the son has to be an array or converted to an array
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MongoDB sort排序、index索引教程 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...据如下：
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{ "_id" : Obje...