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Circular list iterator in Python

... Output: a b c a b c ... (Loops forever, obviously) In order to manually advance the iterator and pull values from it one by one, simply call next(pool): >>> next(pool) 'a' >>> next(pool) 'b' share...
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Difference between getContext() , getApplicationContext() , getBaseContext() and “this”

...ntext classes applicability in different situations. Let me copy the main table from that post for completeness: +----------------------------+-------------+----------+---------+-----------------+-------------------+ | | Application | Activity | Service | ContentProvide...
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How do you turn a Mongoose document into a plain object?

...ng is that JSON.parse(JSON.encode(doc)) works and returns an object with all of the correct properties. Is there a better way to do this? ...
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When to use self over $this?

... $x = new Y(); $x->bar(); ?> The idea is that $this->foo() calls the foo() member function of whatever is the exact type of the current object. If the object is of type X, it thus calls X::foo(). If the object is of type Y, it calls Y::foo(). But with self::foo(), X::foo() is always ...
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Queue.Queue vs. collections.deque

...nd collections.deque serve different purposes. Queue.Queue is intended for allowing different threads to communicate using queued messages/data, whereas collections.deque is simply intended as a datastructure. That's why Queue.Queue has methods like put_nowait(), get_nowait(), and join(), whereas co...
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IOCTL Linux device driver [closed]

...l, which means "input-output control" is a kind of device-specific system call. There are only a few system calls in Linux (300-400), which are not enough to express all the unique functions devices may have. So a driver can define an ioctl which allows a userspace application to send it orders. How...
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Download attachments using Java Mail

Now that I`ve downloaded all the messages, and store them to 4 Answers 4 ...
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How to disable python warnings

...lter("ignore") fxn() I don't condone it, but you could just suppress all warnings with this: import warnings warnings.filterwarnings("ignore") Ex: >>> import warnings >>> def f(): ... print('before') ... warnings.warn('you are warned!') ... print('after') >>> ...
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How to throw an exception in C?

...and caught in the program, but the C code portions will remain ignorant of all of this going on except that exception throwing and catching often rely on functions written in C which reside in the C++ libraries. C is used because you can't risk the function called to do throw needing to throw an exc...
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Read a file in Node.js

...leSync--he's in the middle of processing a web request. This answer was totally inappropriate to the question at hand. – Samuel Neff Jun 8 '15 at 13:56 add a comment ...