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C++并发编程(中文版) - 文档下载 - 清泛网 - 专注C/C++及内核技术

...台任务… 266 9.3 总结… 268 第10章 多线程应用的测试和调试… 269 10.1 与并发相关的错误类型… 269 10.1.1 不必要的阻塞… 269 10.2 定位并发相关的错误的测试和调试技巧… 271 10.2.1 检阅代码定位潜在错误… 271 10.2.2 通过测试定...
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Serializing PHP object to JSON

...ata->getJsonData());. In essence, implement the function from 5.4, but call it by hand. Something like this would work, as get_object_vars() is called from inside the class, having access to private/protected variables: function getJsonData(){ $var = get_object_vars($this); foreach ($va...
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Check whether an array is empty [duplicate]

...pty($errors)) { } array_filter() function's default behavior will remove all values from array which are equal to null, 0, '' or false. Otherwise in your particular case empty() construct will always return true if there is at least one element even with "empty" value. ...
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Create or write/append in text file

...s: $txt = "user id date"; $myfile = file_put_contents('logs.txt', $txt.PHP_EOL , FILE_APPEND | LOCK_EX); share | improve this answer | follow | ...
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How do I obtain crash-data from my Android application?

...n? At least when working on my own device being retrieved by cable, but ideally from any instance of my application running on the wild so that I can improve it and make it more solid. ...
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How to fix “Headers already sent” error in PHP

...ders must be invoked before any output is made. summary ⇊ Otherwise the call fails: Warning: Cannot modify header information - headers already sent (output started at script:line) Some functions modifying the HTTP header are: header / header_remove session_start / session_regenerate_id se...
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PHP/MySQL insert row then get 'id'

...ithin its own isolated session, which is where the ID comes from when you call mysql_insert_id() from your PHP (or LAST_INSERT_ID() in MySQL) – rodrigo-silveira Sep 26 '12 at 18:22 ...
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File Upload without Form

... using jQuery. The input tag is not inside any form tag. It stands individually. So I don't want to use jQuery plugins like 'ajaxForm' or 'ajaxSubmit'. ...
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How to make PDF file downloadable in HTML link?

... header("Content-Length: " . filesize($file)); flush(); // this doesn't really matter. $fp = fopen($file, "r"); while (!feof($fp)) { echo fread($fp, 65536); flush(); // this is essential for large downloads } fclose($fp); PS: and obviously run some sanity checks on the "file" variable t...
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Cookies on localhost with explicit domain

...unction.setcookie.php#73107. If working with the Java Servlet API, don't call the cookie.setDomain("...") method at all. share | improve this answer | follow ...