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In Python how should I test if a variable is None, True or False

... Don't fear the Exception! Having your program just log and continue is as easy as: try: result = simulate(open("myfile")) except SimulationException as sim_exc: print "error parsing stream", sim_exc else: if result: print "result pass" else: print...
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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?

... the HotSpot FAQ: When writing Java code, how do I distinguish between 32 and 64-bit operation? There's no public API that allows you to distinguish between 32 and 64-bit operation. Think of 64-bit as just another platform in the write once, run anywhere tradition. However, if you'd like to write c...
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What is the command to exit a Console application in C#?

What is the command in C# for exit a Console Application? 4 Answers 4 ...
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How dangerous is it to access an array out of bounds?

...? It can sometimes happen that I read from outside the array (I now understand I then access memory used by some other parts of my program or even beyond that) or I am trying to set a value to an index outside of the array. The program sometimes crashes, but sometimes just runs, only giving unexpect...
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Using OpenSSL what does “unable to write 'random state'” mean?

...rating a self-signed SSL certificate to protect my server's admin section, and I keep getting this message from OpenSSL: 8 ...
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How do I convert an object to an array?

...your properties are declared private you should call this inside the class and return its results. Be careful, for primitive data types like strings it will work great, but I don't know how it behaves with nested objects. in your case you have to do something like; <?php print_r(get_objec...
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Current location permission dialog disappears too quickly

My app takes the user's location, gets the co-ordinates , and provides a distance to or from their destination or origin. All these possible destinations are shown in a table view, so I'm getting the users co-ordinates at the same time as populating the table. The only thing is, the alert view that ...
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How do I concatenate strings and variables in PowerShell?

...g2 + $string3). With these methods, you can have whitespace (spaces, tabs, and newlines) between the strings, but be sure that (1) each string has a comma/space after it on the same line, (2) you use the back-tick character ` at the end of any empty lines between your code, and (3) if you use -join,...
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How to correctly close a feature branch in Mercurial?

...e branch feature-x . I want to merge results back to the default branch and close feature-x in order to get rid of it in the output of hg branches . ...
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Difference between 'self' and 'total' in Chrome CPU Profile of JS

What is the difference between the 'self' and 'total' columns in the Chrome CPU profiling of JS code? 2 Answers ...