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Java内存泄露原因详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...果不可到达,则就将其回收,这样也可以消除引用循环的问题。在Java语言中,判断一个内存空间是否符合垃圾收集标准有两个:一个是给对象赋予了空值null,以下再没有调用过,另一个是给对象赋予了新值,这样重新分配了内...
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Prevent nginx 504 Gateway timeout using PHP set_time_limit()

I am getting 504 timeouts message from nginx when my PHP script is running longer than usual. set_time_limit(0) does not seem to prevent that! Does it not work when running php5-fpm on nginx? If so, whats the proper way of setting the time limit? ...
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How to get WordPress post featured image URL

... Check the code below and let me know if it works for you. <?php if (has_post_thumbnail( $post->ID ) ): ?> <?php $image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'single-post-thumbnail' ); ?> <div id="custom-bg" style="background-image: ur...
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How to determine the memory footprint (size) of a variable?

Is there a function in PHP (or a PHP extension) to find out how much memory a given variable uses? sizeof just tells me the number of elements/properties. ...
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Difference between “include” and “require” in php

... You find the differences explained in the detailed PHP manual on the page of require: require is identical to include except upon failure it will also produce a fatal E_COMPILE_ERROR level error. In other words, it will halt the script whereas include only emits a warning...
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Bogus foreign key constraint fail

... On demand, now as an answer... When using MySQL Query Browser or phpMyAdmin, it appears that a new connection is opened for each query (bugs.mysql.com/bug.php?id=8280), making it neccessary to write all the drop statements in one query, eg. SET FOREIGN_KEY_CHECKS=0; DROP TABLE my_first_...
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Call to undefined function curl_init().? [duplicate]

... If you're on Windows: Go to your php.ini file and remove the ; mark from the beginning of the following line: ;extension=php_curl.dll After you have saved the file you must restart your HTTP server software (e.g. Apache) before this can take effect. Fo...
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php发送get、post请求的几种方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

php发送get、post请求的几种方法方法1: 用file_get_contents 以get方式获取内容<?php$url='http: www.domain.com ';$html = file_get_contents($url);echo $...方法1:用file_get_contents 以get方式获取内容 <?php $url='http://www.domain.com/'; $html = file_get_contents(...
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Mac下PHP的MongoDB扩展安装 - 更多技术 - 清泛网 - 专注C/C++及内核技术

Mac下PHP的MongoDB扩展安装在mac下面如何安装MongoDB呢,其实方法很简单。按照官方的三种方法安装就可以了。我这里是针对PHP的安装。多了一个PHP的MongoDB扩展安装。A...在mac下面如何安装MongoDB呢,其实方法很简单。按照官方的三种...
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In PHP what does it mean by a function being binary-safe?

In PHP what does it mean by a function being binary-safe ? 3 Answers 3 ...