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Django rest framework nested self-referential objects

... the `subcategories` field return CategorySerializer() Actually, as you've noted the above isn't quite right. This is a bit of a hack, but you might try adding the field in after the serializer is already declared. class CategorySerializer(serializers.ModelSerializer): parentCat...
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Why should text files end with a newline?

I assume everyone here is familiar with the adage that all text files should end with a newline. I've known of this "rule" for years but I've always wondered — why? ...
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How do I hotkey directly to File Search tab in Eclipse

...file search" in the search box. (If there are no results, and you have a really old Eclipse version, select the Include Unbound Commands check box.) Put the caret into the Binding text box and press the key combination you want to use: You can either re-use the CTRL+H binding (delete the other b...
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C++ equivalent of java's instanceof

...nceof) you'd better ask yourself whether it's a necessary thing. It's generally a sign of poor design. Typical workarounds is putting the special behaviour for the class you are checking for into a virtual function on the base class or perhaps introducing something like a visitor where you can int...
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Getting the first character of a string with $str[0]

...am just not sure whether this is 'good practice', as that notation is generally used with arrays. This feature doesn't seem to be very well documented so I'm turning to you guys to tell me if it's all right – in all respects – to use this notation? ...
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How to get an object's properties in JavaScript / jQuery?

...Script's native for in loop: var obj = { foo: 'bar', base: 'ball' }; for(var key in obj) { alert('key: ' + key + '\n' + 'value: ' + obj[key]); } or using jQuery's .each() method: $.each(obj, function(key, element) { alert('key: ' + key + '\n' + 'value: ' + element); }); W...
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What is the best way to create constants in Objective-C

...he file in the Reddit-Prefix.pch file to make the constants available to all the files. Is it a good way of doing things? Also, I've done my research and found several methods to create constants, but I don't know which one to use: ...
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How do I rename a repository on GitHub?

...y have to do #2. Let's say your username is someuser and your project is called someproject. Then your project's URL will be1 git@github.com:someuser/someproject.git If you rename your project, it will change the someproject part of the URL, e.g. git@github.com:someuser/newprojectname.git (s...
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What is the proper way to use the node.js postgresql module?

...ottleknecked based on how fast postgres can respond to queries. It literally will line everything up, queuing each query. Yeah, it's async and so that's alright...but wouldn't you rather multiply your throughput by 10x? Use pg.connect set the pg.defaults.poolSize to something sane (we do...
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HTTP could not register URL http://+:8000/HelloWCF/. Your process does not have access rights to thi

...ced the problem. I created the simplest WCF service. The listing of code: (all the code in one file) 9 Answers ...