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Why aren't superclass __init__ methods automatically invoked?

...thon designers decide that subclasses' __init__() methods don't automatically call the __init__() methods of their superclasses, as in some other languages? Is the Pythonic and recommended idiom really like the following? ...
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When should one use HTML entities?

... entities. Some libraries do not play along nice with utf-8. For instance, PHP in some Linux distributions dropped full support for utf-8 in their regular expression libraries. It is harder to limit the number of characters in a text that uses html entities, because a single entity uses many charact...
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Auto-loading lib files in Rails 4

.../foo.rb: class Foo end in lib/foo/bar.rb: class Foo::Bar end if you really wanna do some monkey patches in file like lib/extensions.rb, you may manually require it: in config/initializers/require.rb: require "#{Rails.root}/lib/extensions" P.S. Rails 3 Autoload Modules/Classes by Bill H...
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What are the differences between NP, NP-Complete and NP-Hard?

... the technical definitions require quite some time to understand. First of all, let's remember a preliminary needed concept to understand those definitions. Decision problem: A problem with a yes or no answer. Now, let us define those complexity classes. P P is a complexity class that repres...
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Calling parent class __init__ with multiple inheritance, what's the right way?

...ing super() leads to greater flexibility for subclasses. In the direct call approach, C.__init__ can call both A.__init__ and B.__init__. When using super(), the classes need to be designed for cooperative multiple inheritance where C calls super, which invokes A's code which will also call supe...
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MPICH vs OpenMPI

...xtensive optimizations that make it the preferred implementation in nearly all cases. Feature Support from the Latest MPI Standard An orthogonal axis to hardware/platform support is coverage of the MPI standard. Here MPICH is usually far and away superior. MPICH has been the first implementation...
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Best way to organize jQuery/JavaScript code (2013) [closed]

...not up to date. I have over 2000 lines of code in a single file, and as we all know this is bad practice, especially when i'm looking through code or adding new features. I want to better organize my code, for now and for the future. ...
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What is the difference between public, protected, package-private and private in Java?

...e MyClass and I'm doing AnotherClass extends MyClass I will have access to all protected and public methods and properties from within AnotherClass. If I do MyClass myClass = new MyClass(); in AnotherClass somewhere - let's say the constructor - I will only have access to the public methods if it is...
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SHA512 vs. Blowfish and Bcrypt [closed]

...ome on-board RAM. Note: bcrypt is an algorithm that uses Blowfish internally. It is not an encryption algorithm itself. It is used to irreversibly obscure passwords, just as hash functions are used to do a "one-way hash". Cryptographic hash algorithms are designed to be impossible to reverse. In...
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How do I write good/correct package __init__.py files

... __all__ is very good - it helps guide import statements without automatically importing modules http://docs.python.org/tutorial/modules.html#importing-from-a-package using __all__ and import * is redundant, only __all__ is nee...