大约有 40,000 项符合查询结果(耗时:0.0331秒) [XML]

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Import CSV to mysql table

... Here's a simple PHP command line script that will do what you need: <?php $host = 'localhost'; $user = 'root'; $pass = ''; $database = 'database'; $db = mysql_connect($host, $user, $pass); mysql_query("use $database", $db); /*********...
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大数据时代的数据化运营 - 资讯 - 清泛网 - 专注C/C++及内核技术

...下,我们在运营中看到可以获得有效数据的原始数据不是问题,去除无效和虚假的数据才是关键。 相信做发行的同行都知道,在实践中,会遇到通过某些渠道或者是CPS,或者是广告渠道,他们一定会有大量的虚假的数据在里面...
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In php, is 0 treated as empty?

... http://php.net/empty The following things are considered to be empty: "" (an empty string) 0 (0 as an integer) 0.0 (0 as a float) "0" (0 as a string) NULL FALSE array() (an empty array) var $var; (a variabl...
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App Inventor 2 中文网原创内容 · App Inventor 2 中文网

... 基础知识 组件用法 技巧分享 问题解决 教程分享 App Inventor 2 中文网原创的技术文档,作品,技术文章,帖子,问答,技术指导,问题解决思路等。 基础知识 【连接调试】App Inventor 2 连接方式...
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TCP 的那些事儿(下) - 更多技术 - 清泛网 - 专注C/C++及内核技术

... 算法 但是上面的这个算法在重传的时候会出有一个终极问题——你是用第一次发数据的时间和ack回来的时间做RTT样本值,还是用重传的时间和ACK回来的时间做RTT样本值? 这个问题无论你选那头都是按下葫芦起了瓢。 如下图所...
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“Variable” variables in Javascript?

...usly consider that). It is possible to access some global variables dynamically via window, but that doesn't work for variables local to a function. Global variables that do not become a property of window are variables defined with let and const, and classes. There is almost always a better soluti...
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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

... 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
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Naming cookies - best practices [closed]

... @Emanuil: To distinguish it from all the other cookies generated by other apps on the same domain. – Ignacio Vazquez-Abrams Sep 19 '12 at 20:50 ...
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Array to String PHP?

What is the best method for converting a PHP array into a string? I have the variable $type which is an array of types. ...
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Getting the location from an IP address [duplicate]

... You could download a free GeoIP database and lookup the IP address locally, or you could use a third party service and perform a remote lookup. This is the simpler option, as it requires no setup, but it does introduce additional latency. One third party service you could use is mine, http://...