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What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?

...ng binary data using only printable (text) characters. See this paragraph from the wikipedia page for HTTP Basic Authentication: While encoding the user name and password with the Base64 algorithm typically makes them unreadable by the naked eye, they are as easily decoded as they are encoded. ...
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Python __str__ versus __unicode__

.... After that, then here is a functional example: #! /usr/bin/env python from future.utils import python_2_unicode_compatible from sys import version_info @python_2_unicode_compatible class SomeClass(): def __str__(self): return "Called __str__" if __name__ == "__main__": some_i...
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What is the difference between Flex/Lex and Yacc/Bison?

...ou may also find various alternative and approximately equivalent programs from the BSD world. Lex and Yacc are maintained by the Unix SVRx licencees - companies such as IBM (AIX), HP (HP-UX) and Sun (Solaris) have modified versions of Lex and Yacc at their command. MKS also provides MKS Lex and M...
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implements Closeable or implements AutoCloseable

...y-with-resources, but also allows throwing more general checked exceptions from close(). When in doubt, use AutoCloseable, users of your class will be grateful. share | improve this answer ...
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Is memcached a dinosaur in comparison to Redis? [closed]

... excellent tool still and VERY reliable. instead of looking at this issue from the perspective getting down the who is faster at the < 100 ms range, look at the performance per "class" of the software. Does it use only local ram? -> fastest Does it use remote ram? -> fast Does it use ram...
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Uninstall Node.JS using Linux command line?

... If you installed from source, you can issue the following command: sudo make uninstall If you followed the instructions on https://github.com/nodejs/node/wiki to install to your $HOME/local/node, then you have to type the following before ...
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What is the main difference between Inheritance and Polymorphism?

... Inheritance is when a 'class' derives from an existing 'class'. So if you have a Person class, then you have a Student class that extends Person, Student inherits all the things that Person has. There are some details around the access modifiers you put on the ...
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How to create a custom string representation for a class object?

... Ignacio Vazquez-Abrams' approved answer is quite right. It is, however, from the Python 2 generation. An update for the now-current Python 3 would be: class MC(type): def __repr__(self): return 'Wahaha!' class C(object, metaclass=MC): pass print(C) If you want code that runs acr...
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Why does C# disallow readonly local variables?

... I agree on the "save the programmer from himself" part, but as for helping the compiler to optimize code, I hold the stance that the compiler can find out very well whether or not a variable changes over the course of the method and optimizes accordingly either...
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Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]

...g silly like pass non-function callbacks or non-integer indexes, but apart from that it attempts to be standards-compliant. (Let me know if I've missed anything. ;-)) 'use strict'; // Add ECMA262-5 method binding if not supported natively // if (!('bind' in Function.prototype)) { Function.prot...