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Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...佳资源利用率，贴在我们多线程 Java 编程论坛上最常见的问题之一是“怎样创建线程池？”。几乎在每个服务器应用程序中都会出现线程池和工作队列问题。本文中，Brian Goetz 探讨了线程池的动机、一些基本实现和调优技术以及...
On delete cascade with doctrine2
...ple in order to learn how to delete a row from a parent table and automatically delete the matching rows in the child table using Doctrine2.
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Include constant in string without concatenating
Is there a way in PHP to include a constant in a string without concatenating?
12 Answers
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VM 磁盘空间扩容引起的一些问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
VM 磁盘空间扩容引起的一些问题TOP如下存储分区如下ESX1下挂载情况如下图ESX2下挂载情况如下图现在有个需求，lun60的空间偏大，缩小为1T，LUN80的空间偏小，扩大为1.5T先...TOP 如下
存储分区如下
ESX1下挂载情况如下图
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为什么大数据也不能帮你摆脱单身狗的命运？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...几个选。而这些结果基于也许就几十个，一般你回答几个问题，或者你产生的一些行为。基本数据：年龄、身高…户口所在地、毕业学校、工作单位、家庭状况。一些网站最厉害的问你100个问题，什么喜欢的颜色，食物，运动，...
Is there a PHP function that can escape regex patterns before they are applied?
...our regex, commonly a forward slash (/) - will not be escaped. You will usually want to pass whatever delimiter you are using with your regex as the $delimiter argument.
Example - using preg_match to find occurrences of a given URL surrounded by whitespace:
$url = 'http://stackoverflow.com/questio...
See changes to a specific file using git
...s, but, as far as I understood, it is directory based. This means it gives all the changes of all files on the current directory.
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How to make MySQL handle UTF-8 properly
... My understanding is that utf8 within MySQL only refers to a small subset of full Unicode. You should use utf8mb4 instead to force full support. See mathiasbynens.be/notes/mysql-utf8mb4 "For a long time, I was using MySQL’s utf8 charset for databases, tables, and columns, assuming i...
How does this giant regex work?
I recently found the code below in one of my directories, in a file called doc.php . The file functions or links to a file manager. It's quite nicely done. Basically, it lists all the files in the current directory, and it lets you change directories.
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使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
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use admin
db.shutdownServer()
有任何关于MongoDB/TokuMX方面的问题，欢迎回复评论。集群 TokuMX MongoDB