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python design patterns [closed]
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edited Dec 28 '18 at 23:32
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Does Flask support regular expressions in its URL routing?
...verters, but the application we're developing has more complex patterns in its URLs.
3 Answers
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No generic implementation of OrderedDictionary?
...right. There's no generic equivalent of OrderedDictionary in the framework itself.
(That's still the case for .NET 4 too, as far as I'm aware.)
But you can vote for it at Visual Studio's UserVoice (2016-10-04)!
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How to write a large buffer into a binary file in C++, fast?
I'm trying to write huge amounts of data onto my SSD(solid state drive). And by huge amounts I mean 80GB.
12 Answers
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What's the best UI for entering date of birth? [closed]
...n advanced user text input is the best, if the user knows the date format, it is very fast. For a not so advanced user I suggest using a datepicker. Since usually you also have advanced and non-advanced users I suggest a combination of text input and datepicker.
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Django Rest Framework: Dynamically return subset of fields
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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...
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...
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
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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...