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How to mock an import

...importing A to get what you want: test.py: import sys sys.modules['B'] = __import__('mock_B') import A print(A.B.__name__) A.py: import B Note B.py does not exist, but when running test.py no error is returned and print(A.B.__name__) prints mock_B. You still have to create a mock_B.py where ...
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Understanding generators in Python

...A generator is simply a function which returns an object on which you can call next, such that for every call it returns some value, until it raises a StopIteration exception, signaling that all values have been generated. Such an object is called an iterator. Normal functions return a single value...
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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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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 ...