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Python memoising/deferred lookup property decorator
Recently I've gone through an existing code base containing many classes where instance attributes reflect values stored in a database. I've refactored a lot of these attributes to have their database lookups be deferred, ie. not be initialised in the constructor but only upon first read. These attr...
Representing null in JSON
What is the preferred method for returning null values in JSON? Is there a different preference for primitives?
7 Answers
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Printing everything except the first field with awk
I have a file that looks like this:
16 Answers
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How to get a Color from hexadecimal Color String
I'd like to use a color from an hexa string such as "#FFFF0000" to (say) change the background color of a Layout.
Color.HSVToColor looks like a winner but it takes a float[] as a parameter.
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'this' vs $scope in AngularJS controllers
In the "Create Components" section of AngularJS's homepage , there is this example:
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Prototypical inheritance - writing up [duplicate]
So I have these 2 examples, from javascript.info:
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?
The table in question contains roughly ten million rows.
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How do I specify a single test in a file with nosetests?
I have a file called test_web.py containing a class TestWeb and many methods named like test_something().
6 Answers
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REST APIs: custom HTTP headers vs URL parameters
When do you use custom HTTP headers in the request part of a REST API ?
8 Answers
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Safely override C++ virtual functions
I have a base class with a virtual function and I want to override that function in a derived class. Is there some way to make the compiler check if the function I declared in the derived class actually overrides a function in the base class? I would like to add some macro or something that ensures ...