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How does Django's Meta class work?

I am using Django which allows people to add extra parameters to a class by using class Meta . 6 Answers ...
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Position: absolute and parent height?

I have some containers and their children are only absolute / relatively positioned. How to set containers height so their children will be inside of them? ...
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Deleting all files in a directory with Python

... Via os.listdir and os.remove: import os filelist = [ f for f in os.listdir(mydir) if f.endswith(".bak") ] for f in filelist: os.remove(os.path.join(mydir, f)) Or via glob.glob: import glob, os, os.path filelist = glob.glob(os.path.join(myd...
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JavaScript “new Array(n)” and “Array.prototype.map” weirdness

... It appears that the first example x = new Array(3); Creates an array with undefined pointers. And the second creates an array with pointers to 3 undefined objects, in this case the pointers them self are NOT undefined, only the objects they point to....
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What is the maximum size of a web browser's cookie's key?

What is the maximum size of a web browser's cookie's key? 5 Answers 5 ...
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Get item in the list in Scala?

How in the world do you get just an element at index i from the List in scala? 4 Answers ...
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Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink

WebKit/Blink's (Safari/Chrome) default behaviour on MacOS since 10.7 (Mac OS X Lion) is to hide scroll bars from trackpad users when they're not in use. This can be confusing ; the scroll bar is often the only visual cue that an element is scrollable. ...
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How can I change property names when serializing with Json.net?

I have some data in a C# DataSet object. I can serialize it right now using a Json.net converter like this 3 Answers ...
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How to remove gaps between subplots in matplotlib?

The code below produces gaps between the subplots. How do I remove the gaps between the subplots and make the image a tight grid? ...
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What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java

I usually end up trying every combination until it compiles. Can somebody explain what I should use where? 3 Answers ...