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内存管理内幕:动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术

...II 上进行汇编语言编程的时代,那时内存管理还不是个大问题。您实际上在运行整个系统。系统有 多少内存,您就有多少内存。您甚至不必费心思去弄明白它有多少内存,因为每一台机器的内存数量都相同。 所以,如果内存需...
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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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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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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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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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Is it valid to have a html form inside another html form?

... can do the exact same thing with less hassle submitting all the data to a PHP script and dividing and sending to their own destinations from there. Although, you did answer the question which is great, it's just a bad and pointless practice because you could do it the right way in less time. ...
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How do I make a redirect in PHP?

Is it possible to redirect a user to a different page through the use of PHP? 30 Answers ...
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How to round up a number to nearest 10?

How can we round off a number to the nearest 10 in php? 16 Answers 16 ...
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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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How to access route, post, get etc. parameters in Zend Framework 2

... way to get a posted json string, for example, is to read the contents of 'php://input' and then decode it. For example i had a simple Zend route: 'save-json' => array( 'type' => 'Zend\Mvc\Router\Http\Segment', 'options' => array( 'route' => '/save-json/',...