大约有 16,000 项符合查询结果(耗时:0.0361秒) [XML]

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How to validate an Email in PHP?

...ess can contain UTF-8 characters or special domain names like .live, .news etc. Also I find that some email address can be on Cyrilic and on all cases standard regex or filter_var() will fail. That's why I made an solution for it: function valid_email($email) { if(is_array($email) || is_nume...
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How to escape single quotes in MySQL

...handle any escaping. For example (Java): Connection conn = DriverManager.getConnection(driverUrl); conn.setAutoCommit(false); PreparedStatement prepped = conn.prepareStatement("INSERT INTO tbl(fileinfo) VALUES(?)"); String line = null; while ((line = br.readLine()) != null) { prepped.setString(...
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正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...,所以本页排版比较混乱,推荐你到原处查看,看完了如果有问题,再到这里来提出. 一些要说的话: 如果你没有正则表达式的基础,请跟着教程“一步步来”。请不要大概地扫两眼就说看不懂——以这种态度我写成什么样你也看...
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PHP - iterate on string characters

...like to be able to do foreach , array_map , array_walk , array_filter etc. on the characters of a string. 9 Answers ...
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MongoDB与内存 - 大数据 & AI - 清泛网 - 专注IT技能提升

...MongoDB是如何使用内存的,答案自然就清楚了。 据说带着问题学习更有效,那就先看一个MongoDB服务器的top命令结果: shell> top -p $(pidof mongod) Mem: 32872124k total, 30065320k used, 2806804k free, 245020k buffers Swap: 2097144k total, 100k used...
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MongoDB与内存 - 大数据 & AI - 清泛网 - 专注IT技能提升

...MongoDB是如何使用内存的,答案自然就清楚了。 据说带着问题学习更有效,那就先看一个MongoDB服务器的top命令结果: shell> top -p $(pidof mongod) Mem: 32872124k total, 30065320k used, 2806804k free, 245020k buffers Swap: 2097144k total, 100k used...
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MongoDB与内存 - 大数据 & AI - 清泛网 - 专注IT技能提升

...MongoDB是如何使用内存的,答案自然就清楚了。 据说带着问题学习更有效,那就先看一个MongoDB服务器的top命令结果: shell> top -p $(pidof mongod) Mem: 32872124k total, 30065320k used, 2806804k free, 245020k buffers Swap: 2097144k total, 100k used...
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MongoDB与内存 - 大数据 & AI - 清泛网 - 专注IT技能提升

...MongoDB是如何使用内存的,答案自然就清楚了。 据说带着问题学习更有效,那就先看一个MongoDB服务器的top命令结果: shell> top -p $(pidof mongod) Mem: 32872124k total, 30065320k used, 2806804k free, 245020k buffers Swap: 2097144k total, 100k used...
https://www.tsingfun.com/it/bi... 

MongoDB与内存 - 大数据 & AI - 清泛网 - 专注IT技能提升

...MongoDB是如何使用内存的,答案自然就清楚了。 据说带着问题学习更有效,那就先看一个MongoDB服务器的top命令结果: shell> top -p $(pidof mongod) Mem: 32872124k total, 30065320k used, 2806804k free, 245020k buffers Swap: 2097144k total, 100k used...
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Is Haxe worth learning? [closed]

...fine classes/interfaces/enums/typedefs in the same way for JS, Flash, C++, etc. If those types you define do not depend on a specific platform API, they can be reused from platform to platform with no effort at all. All the platforms also share common APIs like XML access, HTTP connections and refle...