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Why can't I use a list as a dict key in python?

... There's a good article on the topic in the Python wiki: Why Lists Can't Be Dictionary Keys. As explained there: What would go wrong if you tried to use lists as keys, with the hash as, say, their memory location? It can be done without really breaking any...
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Should I implement __ne__ in terms of __eq__ in Python?

... the __ne__ method as well, but does it make sense to implement __ne__ in terms of __eq__ as such? 5 Answers ...
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Is VB really case insensitive?

I'm not trying to start an argument here, but for whatever reason, it's typically stated that Visual Basic is case insensitive and C languages aren't (and somehow that is a good thing). ...
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How to convert strings into integers in Python?

... int() is the Python standard built-in function to convert a string into an integer value. You call it with a string containing a number as the argument, and it returns the number converted to an integer: print (int("1") + 1)...
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Function vs. Stored Procedure in SQL Server

I've been learning Functions and Stored Procedure for quite a while but I don't know why and when I should use a function or a stored procedure. They look same to me, maybe because I am kinda newbie about that. ...
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Change Tomcat Server's timeout in Eclipse

...t; double click tomcat -> drop down the Timeouts section There you can increase the startup time for each particular server. share | improve this answer | follow ...
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Find intersection of two nested lists?

I know how to get an intersection of two flat lists: 20 Answers 20 ...
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Python list subtraction operation

I want to do something similar to this: 12 Answers 12 ...
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Visual Studio : short cut Key : Duplicate Line

Is there a shortcut for Duplicate Line command in Visual Studio 2008? 30 Answers 3...
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iOS 6: How do I restrict some views to portrait and allow others to rotate?

I have an iPhone app that uses a UINavigationController to present a drill-down interface: First one view, then another, up to four levels deep. I want the first three views restricted to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the ...