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deque iterator not dereferencable 问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

deque iterator not dereferencable 问题STL里面出现这个问题,纠结了半天,不知道什么原因。当然deque iterator not dereferencable。这个是deque出问题,vector、list也可以出...STL里面出现这个问题,纠结了半天,不知道什么原因。 当然deque iterat...
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怎么解决MQTT连接掉线,自动连接问题,同时解决,反复断开连接,断开连接问...

解决MQTT退出后台后掉线自动连接问题,现在可以实现自动连接,但是在返回控制界面的时候,反复断开反复链接,还有切换页面的时候返回也是同样的问题,还有连接一个服务器,需要每个页面单独设置MQTT连接吗,是不是可以...
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Get first day of week in PHP?

...mber from 0 to 6 representing the day of the week (Sunday = 0, Monday = 1, etc.). $week_start contains the date for Sunday of the current week as mm-dd-yyyy. $week_end contains the date for the Saturday of the current week as mm-dd-yyyy. ...
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How to access route, post, get etc. parameters in Zend Framework 2

...me', 'default'); NOTE: You could have used the superglobals $_GET, $_POST etc., but that is discouraged. share | improve this answer | follow | ...
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Why would one omit the close tag?

...ickle of the common headers already sent causes (raw output, BOM, notices, etc.) and their follow-up problems. PHP actually contains some magic to eat up single linebreaks after the ?> closing token. Albeit that has historic issues, and leaves newcomers still susceptible to flaky editors and una...
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TCP 的那些事儿(上) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...些事儿(上)TCP是一个巨复杂的协议,因为他要解决很多问题,而这些问题又带出了很多子问题和阴暗面。所以学习TCP本身是个比较痛苦的过程,但对于学习的... TCP是一个巨复杂的协议,因为他要解决很多问题,而这些问题又...
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淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...

...,我们怎么办?通常来说,我们都是通过集群来解决这个问题,而通常所说的集群,不仅有负载均衡,更重要的是要有失效恢复failover,比如tomcat采 用的集群节点广播复制,jboss采 用的配对复制等session状 态复制策略,但是集群中...
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How to check that a string is an int, but not a double, etc.?

PHP has an intval() function that will convert a string to an integer. However I want to check that the string is an integer beforehand, so that I can give a helpful error message to the user if it's wrong. PHP has is_int() , but that returns false for string like "2" . ...
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file_get_contents(“php://input”) or $HTTP_RAW_POST_DATA, which one is better to get the body of JSON

...ation (e.g. a partial search 'hint' result, or a new page to be displayed, etc...) you can use GET. If the data being sent is part of a request to change something (update a database, delete a record, etc..) then use POST. Server-side, there's no reason to use the raw input, unless you want to grab...
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Setting up a deployment / build / CI cycle for PHP projects

...f software: PHPUnit php-codesniffer phpdocumentor PHP Gcov PHPXref Yasca etc. You could also try this hosted CI: http://www.php-ci.net/hosting/create-project Keep in mind though, that those tools need custom support if you integrate them yourself. Have you also thought about project management...