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What is the difference between UNION and UNION ALL?

What is the difference between UNION and UNION ALL ? 26 Answers 26 ...
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Printing without newline (print 'a',) prints a space, how to remove?

... you to set an end parameter. You can use it in >=2.6 by importing from __future__. I'd avoid this in any serious 2.x code though, as it will be a little confusing for those who have never used 3.x. However, it should give you a taste of some of the goodness 3.x brings. >>> from __futur...
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socket.io and session?

... answered May 30 '11 at 2:32 DaveDave 3,10622 gold badges2828 silver badges3434 bronze badges ...
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PHP - include a php file and also send query parameters

... Also note: $_GET will be the same for all included files. So if that is where your query parameters are stored, it will still see them. Also note: it is not the function, in a class. – Jonathon Apr...
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What is the Python equivalent of static variables inside a function?

...e at the top instead of the bottom, you can create a decorator: def static_vars(**kwargs): def decorate(func): for k in kwargs: setattr(func, k, kwargs[k]) return func return decorate Then use the code like this: @static_vars(counter=0) def foo(): foo.coun...
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What are the best practices for catching and re-throwing exceptions?

... | edited Apr 5 '11 at 13:32 answered Apr 5 '11 at 12:23 Cl...
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Saving interactive Matplotlib figures

... 32 This would be a great feature, but AFAIK it isn't implemented in Matplotlib and likely would be...
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Forced naming of parameters in Python

...ition to other good answers for Python 2, please consider the following: __named_only_start = object() def info(param1,param2,param3,_p=__named_only_start,spacing=10,collapse=1): if _p is not __named_only_start: raise TypeError("info() takes at most 3 positional arguments") return...
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How to terminate a window in tmux?

How to terminate a window in tmux? Like the Ctrl a k shortcut in screen with Ctrl a being the prefix. 10 Answers ...
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JavaScript style for optional callbacks

I have some functions which occasionally (not always) will receive a callback and run it. Is checking if the callback is defined/function a good style or is there a better way? ...