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Difference between __getattr__ vs __getattribute__

I am trying to understand when to use __getattr__ or __getattribute__ . The documentation mentions __getattribute__ applies to new-style classes. What are new-style classes? ...
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What would cause an algorithm to have O(log log n) complexity?

... 16 16 / 2 = 8 8 / 2 = 4 4 / 2 = 2 2 / 2 = 1 This process takes 16 steps, and it's also the case that 65,536 = 216. But, if we take the square root at each level, we get √65,536 = 256 √256 = 16 √16 = 4 √4 = 2 Notice that it only takes four steps to get all the way down to 2. Why is this?...
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'Java' is not recognized as an internal or external command

... received the error "java is not recognized as an internal or external command, operable program or batch file.". 14 Answe...
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Is there any way to create a blank solution (.sln) file first and then add projects?

...ys annoyed me because (to my knowledge) you cannot create a solution first and then add new/existing projects to it. The only way I know how to create a solution is to create a project and specify the solution name for it. ...
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Stop Excel from automatically converting certain text values to dates

...Excel 2007 bug noted by Jeffiekins one should use the solution proposed by Andrew: "=""2008-10-03""" share | improve this answer | follow | ...
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Difference between abstract class and interface in Python

What is the difference between abstract class and interface in Python? 8 Answers 8 ...
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How to reset Android Studio

I want to reset Android Studio 0.2.13 to the default state. That means reset all settings, remove all projects, all gradle files so that it would act like a fresh installation. What steps do I have to follow to achieve this? ...
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How to grant remote access permissions to mysql server for user?

... I executed the command in mysql, but SHOW GRANTS still shows the same (as in my question). I even did FLUSH PRIVILGES. Is there something I miss? – Aufwind Jun 4 '11 at 20:33 ...
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C++ templates that accept only certain types

... class my_template<T*> { ... }; // All other types are invalid, and will cause linker error messages. [Minor EDIT 6/12/2013: Using a declared-but-not-defined template will result in linker, not compiler, error messages.] ...
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Class does not implement its superclass's required members

So I updated to Xcode 6 beta 5 today and noticed I received errors in nearly all of my subclasses of Apple's classes. 4 Ans...