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Two-way encryption: I need to store passwords that can be retrieved

... Personally, I would use mcrypt like others posted. But there is much more to note... How do I encrypt and decrypt a password in PHP? See below for a strong class that takes care of everything for you: What is the safest algorit...
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Get name of current class?

... obj.__class__.__name__ will get you any objects name, so you can do this: class Clazz(): def getName(self): return self.__class__.__name__ Usage: >>> c = Clazz() >>> c.getName() 'Clazz' ...
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How to make a countdown timer in Android?

...? I tried getting the value from an EditText but it didn't seem to work at all. – edwoollard Aug 3 '13 at 9:41 ...
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Why is sed not recognizing \t as a tab?

... Not all versions of sed understand \t. Just insert a literal tab instead (press Ctrl-V then Tab). share | improve this answer ...
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Deserialize JSON with C#

I'm trying to deserialize a Facebook friend's Graph API call into a list of objects. The JSON object looks like: 10 Answ...
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system(“pause”); - Why is it wrong?

...upon because it's a platform-specific hack that has nothing to do with actually learning programming, but instead to get around a feature of the IDE/OS - the console window launched from Visual Studio closes when the program has finished execution, and so the new user doesn't get to see the output o...
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How to select a node using XPath if sibling node has a specific value?

... Seems I actually didn't read the title. :) Answer stays valid anyway. – Jens Erat Jun 11 '13 at 13:34 2 ...
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How to read a file in reverse order?

...A correct, efficient answer written as a generator. import os def reverse_readline(filename, buf_size=8192): """A generator that returns the lines of a file in reverse order""" with open(filename) as fh: segment = None offset = 0 fh.seek(0, os.SEEK_END) file...
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How to write to a file in Scala?

...portance are Resource, ReadChars and WriteChars. File - File is a File (called Path) API that is based on a combination of Java 7 NIO filesystem and SBT PathFinder APIs. Path and FileSystem are the main entry points into the Scala IO File API. import scalax.io._ val output:Output = Resourc...
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Gradients in Internet Explorer 9

...soft.com/testdrive/Graphics/CSSGradientBackgroundMaker/Default.html Note: all of these browsers also support rgb/rgba in place of hexadecimal notation. share | improve this answer | ...