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cancelling queued performSelector:afterDelay calls

does anybody know if it is possible to cancel already queued selector events from the event stack or timer stack (or whatever mechanism it is that is utilized by the API) when you call performSelector:withObject:afterDelay ? ...
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How can I obtain an 'unbalanced' grid of ggplots?

With grid.arrange I can arrange multiple ggplot figures in a grid to achieve a multi-panel figure by using something like: ...
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Haskell: Converting Int to String

I know you can convert a String to an number with read : 3 Answers 3 ...
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builtins.TypeError: must be str, not bytes

I've converted my scripts from Python 2.7 to 3.2, and I have a bug. 2 Answers 2 ...
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writing some characters like '

since the beginning of my programmation, I used some special character like " 3 Answers ...
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How to run multiple DOS commands in parallel?

How to run multiple dos commands? 3 Answers 3 ...
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Changing Mercurial “Default” Parent URL

Let's say I have a Mercurial repository and I'm pulling from a default parent URL (the source I cloned it from). 3 Answers ...
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Get all elements but the first from an array

Is there a one-line easy linq expression to just get everything from a simple array except the first element? 2 Answers ...
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Difference between .success() and .complete()?

As of jQuery 1.5, all jQuery's AJAX methods return a jqXHR object that provides .error() , .success() , and .complete() methods. ...
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Require either of two arguments using argparse

... I think you are searching for something like mutual exclusion (at least for the second part of your question). This way, only foo or bar will be accepted, not both. import argparse parser = argparse.ArgumentParser() gro...