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Include all existing fields and add new fields to document

...t aggregation stage where I can instruct it to add a new field and include all existing fields, without having to list all the existing fields. ...
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Iterating over Java collections in Scala

... As of Scala 2.8, all you have to do is to import the JavaConversions object, which already declares the appropriate conversions. import scala.collection.JavaConversions._ This won't work in previous versions though. ...
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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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How to retrieve checkboxes values in jQuery

...t works (see the example): function updateTextArea() { var allVals = []; $('#c_b :checked').each(function() { allVals.push($(this).val()); }); $('#t').val(allVals); } $(function() { $('#c_b input').click(updateTextArea); updateTextArea(); }); Update ...
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Getting the max value of an enum

...ution was given. Also if you want to get the enum value use Convert.ToInt32() afterwards. This is for the google results. – jdelator Oct 15 '08 at 1:15 55 ...
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AfxGetMainWnd函数解惑 - C/C++ - 清泛网 - 专注C/C++及内核技术

...时也会失灵。不信, 你测试一下下面的代码: unsigned __stdcall SecondThreadFunc( void* pArguments ) { CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd(); if (NULL!=pMainWnd) { CView *pView = pMainWnd->GetActiveView(); if (NULL...
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Debian/Linux下安装OpenJDK8 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

Debian/Linux下安装OpenJDK8linux_install_openjdk8因为Debian11的源里不再带OpenJDK8了,需要手工来安装。下载安装包因为手工安装,所以部分依赖包需要自己下载。wget http: snapshot debian org archive debian-security 202202 因为Debian11的源里不再带Open...
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How do I write the 'cd' command in a makefile?

... It is actually executing the command, changing the directory to some_directory, however, this is performed in a sub-process shell, and affects neither make nor the shell you're working from. If you're looking to perform more tasks wit...
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Is there a built in function for string natural sort?

... There is a third party library for this on PyPI called natsort (full disclosure, I am the package's author). For your case, you can do either of the following: >>> from natsort import natsorted, ns >>> x = ['Elm11', 'Elm12', 'Elm2', 'elm0', 'elm1', 'elm1...
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Mysql - How to quit/exit from stored procedure

...e was no error, then use the accepted answer posted by @piotrm. Most typically, however, you will be bailing due to an error condition (especially in a SQL procedure). As of MySQL v5.5 you can throw an exception. Negating exception handlers, etc. that will achieve the same result, but in a clean...