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Why is 1/1/1970 the “epoch time”?

... Early versions of unix measured system time in 1/60 s intervals. This meant that a 32-bit unsigned integer could only represent a span of time less than 829 days. For this reason, the time represented by the number 0 (called the epoch) had to be set in the very recent ...
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How to find all the subclasses of a class given its name?

I need a working approach of getting all classes that are inherited from a base class in Python. 10 Answers ...
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What exactly are iterator, iterable, and iteration?

What is the most basic definition of "iterable", "iterator" and "iteration" in Python? 13 Answers ...
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How do I terminate a thread in C++11?

I don't need to terminate the thread correctly, or make it respond to a "terminate" command. I am interested in terminating the thread forcefully using pure C++11. ...
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What are forward declarations in C++?

... Why forward-declare is necessary in C++ The compiler wants to ensure you haven't made spelling mistakes or passed the wrong number of arguments to the function. So, it insists that it first sees a declaration of 'add' (or any other types, classes or functio...
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Python exit commands - why so many and when should each be used?

... Let me give some information on them: quit() simply raises the SystemExit exception. Furthermore, if you print it, it will give a message: >>> print (quit) Use quit() or Ctrl-Z plus Return to exit >>> This functional...
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Change templates in Xcode

How would I change the initial templates created by Xcode when creating a new Cocoa Class. 11 Answers ...
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Edit changeset comment after updates have been checked in to TFS

I have just switched to VS2012 and being unfamiliar with it, checked in some major changes without a comment. No other updates have been done since then and no other developers will have access to the code for another few hours. ...
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How do I find the location of the executable in C? [duplicate]

Is there a way in C/C++ to find the location (full path) of the current executed program? 9 Answers ...
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What's the meaning of exception code “EXC_I386_GPFLT”?

What's the meaning of exception code EXC_I386_GPFLT ? 12 Answers 12 ...