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Make a div fill up the remaining width

...lt;/div> <div id="middle-div"> middle div<br />bit taller </div> </div> divs will naturally take up 100% width of their container, there is no need to explicitly set this width. By adding a left/right margin the same as the two side divs, it's own content...
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Django Rest Framework: Dynamically return subset of fields

... You can override the serializer __init__ method and set the fields attribute dynamically, based on the query params. You can access the request object throughout the context, passed to the serializer. Here is a copy&paste from Django Rest Framework documen...
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What is the difference between 'my' and 'our' in Perl?

I know what my is in Perl. It defines a variable that exists only in the scope of the block in which it is defined. What does our do? ...
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Does reading an entire file leave the file handle open?

If you read an entire file with content = open('Path/to/file', 'r').read() is the file handle left open until the script exits? Is there a more concise method to read a whole file? ...
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mongodb group values by multiple fields

... TLDR Summary In modern MongoDB releases you can brute force this with $slice just off the basic aggregation result. For "large" results, run parallel queries instead for each grouping ( a demonstration listing is at the end of the answer ), or wait for SERVER-9377 to resolve, which would al...
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Which is more preferable to use: lambda functions or nested functions ('def')?

...generally more readable than those functions and can cover all use cases, without the need of lambdas. For the cases you really need a small function object, you should use the operator module functions, like operator.add instead of lambda x, y: x + y If you still need some lambda not covered, yo...
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Batch files - number of command line arguments

... Googling a bit gives you the following result from wikibooks: set argC=0 for %%x in (%*) do Set /A argC+=1 echo %argC% Seems like cmd.exe has evolved a bit from the old DOS days :) ...
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PHP Get Site URL Protocol - http vs https

I've written a little function to establish the current site url protocol but I don't have SSL and don't know how to test if it works under https. Can you tell me if this is correct? ...
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Remove by _id in MongoDB console

...follow | edited Mar 9 at 10:35 answered Apr 14 '12 at 9:42 ...
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How do I concatenate or merge arrays in Swift?

... You can concatenate the arrays with +, building a new array let c = a + b print(c) // [1.0, 2.0, 3.0, 4.0, 5.0, 6.0] or append one array to the other with += (or append): a += b // Or: a.append(contentsOf: b) // Swift 3 a.appendContentsOf(b) // Sw...