大约有 40,000 项符合查询结果（耗时：0.0484秒） [XML]
Difference between Django's annotate and aggregate methods?
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Recursive lambda functions in C++11
...e solved by another level of indirection. I first found this easy trick at http://pedromelendez.com/blog/2015/07/16/recursive-lambdas-in-c14/
It does require C++14 while the question is on C++11, but perhaps interesting to most.
Going via std::function is also possible but can result in slower co...
In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...or v in g: yield v does not even begin to do justice to what yield from is all about. Because, let's face it, if all yield from does is expand the for loop, then it does not warrant adding yield from to the language and preclude a whole bunch of new features from being implemented in Python 2.x.
Wh...
Find the nth occurrence of substring in a string
...ad been thinking of doing the equivalent of .rfind('XXX'), but that would fall apart if 'XXX' appears later in the input anyway.
– Nikhil Chelliah
Jul 7 '10 at 4:17
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Select columns from result set of stored procedure
... '2/1/10'
SELECT * FROM #Result ORDER BY Name
DROP TABLE #Result
Source:
http://stevesmithblog.com/blog/select-from-a-stored-procedure/
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Traversing text in Insert mode
...o scroll around, and clicking to position the cursor (duh) just works. See http://usevim.com/2012/05/16/mouse/ for more on this.
And so...
These are what I'd call more modern (using mouse, scroll wheel, etc.) ways of navigating in vim, equally effective depending on your preference of input.
HTH
...
Download File Using Javascript/jQuery
...uery:
$('a#someID').attr({target: '_blank',
href : 'http://localhost/directory/file.pdf'});
Whenever that link is clicked, it will download the file in a new tab/window.
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What are the most common naming conventions in C?
...I follow the GTK+ coding convention, which can be summarized as follows:
All macros and constants in caps: MAX_BUFFER_SIZE, TRACKING_ID_PREFIX.
Struct names and typedef's in camelcase: GtkWidget, TrackingOrder.
Functions that operate on structs: classic C style: gtk_widget_show(), tracking_order_p...
Where in an Eclipse workspace is the list of projects stored?
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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
I just discovered a logical bug in my code which was causing all sorts of problems. I was inadvertently doing a bitwise AND instead of a logical AND .
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