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Django rest framework nested self-referential objects

...tCategory', 'name', 'description', 'subcategories') If you want to deal with arbitrarily nested fields you should take a look at the customising the default fields part of the docs. You can't currently directly declare a serializer as a field on itself, but you can use these methods to override w...
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Conveniently Declaring Compile-Time Strings in C++

...rings during compile-time in C++ has several useful applications. Although it is possible to create compile-time strings in C++, the process is very cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g. ...
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Is it possible to await an event instead of another async method?

... kicks off a long-running process. So, as recommended, I'm using async/await to make sure the UI thread doesn't get blocked: ...
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Converting camel case to underscore case in ruby

...follow | edited Jun 28 '14 at 17:23 Paweł Gościcki 7,05755 gold badges5555 silver badges7474 bronze badges ...
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Fastest way to list all primes below N

This is the best algorithm I could come up. 35 Answers 35 ...
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Send file using POST from a Python script

...o/en/latest/user/quickstart/#post-a-multipart-encoded-file Requests makes it very simple to upload Multipart-encoded files: with open('report.xls', 'rb') as f: r = requests.post('http://httpbin.org/post', files={'report.xls': f}) That's it. I'm not joking - this is one line of code. The file...
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How can I correctly prefix a word with “a” and “an”?

I have a .NET application where, given a noun, I want it to correctly prefix that word with "a" or "an". How would I do that? ...
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Converting between datetime, Timestamp and datetime64

...w()).astype(datetime) datetime.datetime(2012, 12, 4, 13, 34, 52, 827542) It works both on a single np.datetime64 object and a numpy array of np.datetime64. Think of np.datetime64 the same way you would about np.int8, np.int16, etc and apply the same methods to convert beetween Python objects such...
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How to create a DataTable in C# and how to add rows?

... "500"; dt.Rows.Add(_ravi); To see the structure, or rather I'd rephrase it as schema, you can export it to an XML file by doing the following. To export only the schema/structure, do: dt.WriteXMLSchema("dtSchemaOrStructure.xml"); Additionally, you can also export your data: dt.WriteXML("dtDa...
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Getting MAC Address

...method under Linux I could find was to run ifconfig and run a regex across its output. I don't like using a package that only works on one OS, and parsing the output of another program doesn't seem very elegant not to mention error prone. ...