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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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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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How do you kill all current connections to a SQL Server 2005 database?

... Script to accomplish this, replace 'DB_NAME' with the database to kill all connections to: USE master GO SET NOCOUNT ON DECLARE @DBName varchar(50) DECLARE @spidstr varchar(8000) DECLARE @ConnKilled smallint SET @ConnKilled...
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How to post data to specific URL using WebClient in C#

...s the garbage collector will clean up unmanaged resources and the like by calling the destructor (e.g., WebClient inherits from Component, which contains ~Component() {Dispose(false);}). The problem is that the garbage collector may take an arbitrarily long time to do so, since it does not account ...
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MySQL dump by query

... for those trying the mysql -e approach. I had to customize the script a bit to work for me. This one requires you to enter the sql password when run. mysql -e "select * from table WHERE query = 'asdasd'" -u root -p --database=DBNAME > text.txt – RichardW11 ...
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Are there any reasons to use private properties in C#?

...et { if (_password == null) { _password = CallExpensiveOperation(); } return _password; } } share | improve this answer | ...
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JSLint is suddenly reporting: Use the function form of “use strict”

... it only affects that function. This prevents problems when concatenating scripts that aren't strict. See Douglas Crockford's latest blog post Strict Mode Is Coming To Town. Example from that post: (function () { 'use strict'; // this function is strict... }()); (function () { // but t...
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Why can't I define a default constructor for a struct in .NET?

...type a default constructor is created (by the compiler?) which initialized all members to zero (or null ). 10 Answers ...
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Windows path in Python

...ws directory, for example "C:\meshes\as" ? I have been trying to modify a script but it never works because I can't seem to get the directory right, I assume because of the '\' acting as escape character? ...
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Convert list to dictionary using linq and not worrying about duplicates

...t 2.0 framework at work... @onof Not exactly hard to ignore case. Just add all keys in uppercase. – Carra Jul 23 '10 at 14:42 ...