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MongoDB Aggregation: How to get total records count?

...sults simultaneously in single query. I can't explain how I felt when I finally achieved it LOL. $result = $collection->aggregate(array( array('$match' => $document), array('$group' => array('_id' => '$book_id', 'date' => array('$max' => '$book_viewed'), 'views' => array('...
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How to select all instances of a variable and edit variable name in Sublime

If I select a variable (not just any string) in my code, all other instances of that variable get a stroke (white outline) around them: ...
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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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How to extract the n-th elements from a list of tuples?

... @Wayne Werner: Yep. This stuff was all just passive knowledge (I don't often use it) - but it's good to be reminded now and then so you know where / what to look for... – Daren Thomas Jul 22 '10 at 13:14 ...
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Change auto increment starting number?

In MySQL, I have a table, and I want to set the auto_increment value to 5 instead of 1 . Is this possible and what query statement does this? ...
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Open file in a relative location in Python

...n a subdirectory beneath where the script is actually located, you can use __file__ to help you out here. __file__ is the full path to where the script you are running is located. So you can fiddle with something like this: import os script_dir = os.path.dirname(__file__) #<-- absolute dir the...
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C# 4.0 optional out/ref arguments

Does C# 4.0 allow optional out or ref arguments? 9 Answers 9 ...
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How to get folder path for ClickOnce application

...c:\Documents & Settings That's right. ClickOnce applications are installed under the profile of the user who installed them. Did you take the path that retrieving the info from the executing assembly gave you, and go check it out? On windows Vista and Windows 7, you will find the ClickOnce c...
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CGContextDrawImage draws image upside down when passed UIImage.CGImage

...answered Feb 6 '09 at 20:46 Kendall Helmstetter GelnerKendall Helmstetter Gelner 72.5k2626 gold badges123123 silver badges146146 bronze badges ...
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Eclipse cannot load SWT libraries

... I get an Unsatisfied Link Error and it will not open. I have recently installed the java JDK and Android SDK, could this be the problem? I followed this tutorial . ...