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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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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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How to use phpexcel to read data and insert into database?

...s very dependent on your database, and how you want the data structured in it share | improve this answer | follow | ...
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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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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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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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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?

I'd like to prepare a little educational tool for SO which should help beginners (and intermediate) programmers to recognize and challenge their unwarranted assumptions in C, C++ and their platforms. ...
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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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Best algorithm for detecting cycles in a directed graph [closed]

What is the most efficient algorithm for detecting all cycles within a directed graph? 14 Answers ...
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C/C++获取Windows的CPU、内存、硬盘使用率 - C/C++ - 清泛网 - 专注C/C++及内核技术

...率1.获取Windows系统内存使用率 Win 内存 使用率 DWORD getWin_MemUsage(){MEMORYSTATUS ms;::GlobalMemoryStatus(&ms);return ms.d...1.获取Windows系统内存使用率 //Win 内存 使用率 DWORD getWin_MemUsage() { MEMORYSTATUS ms; ::GlobalMemoryStatus(&ms); return ms.dwMe...