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Which is more efficient, a for-each loop, or an iterator?

... If you are just wandering over the collection to read all of the values, then there is no difference between using an iterator or the new for loop syntax, as the new syntax just uses the iterator underwater. If however, you mean by loop the old "c-style" loop: for(int i=0; i&l...
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Reliable method to get machine's MAC address in C#

...work across OS. Any ideas? I have been scraping the output of "ipconfig /all" but this is terribly unreliable as the output format differs on every machine. ...
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Getting the caller function name inside another function in Python? [duplicate]

...on 2 each frame record is a list. The third element in each record is the caller name. What you want is this: >>> import inspect >>> def f(): ... print inspect.stack()[1][3] ... >>> def g(): ... f() ... >>> g() g For Python 3.5+, each frame record i...
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JavaScript chop/slice/trim off last character in string

...viously using the substring version. Thanks! – Matt Ball Apr 13 '10 at 14:09 33 forgive me if I'm...
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'

I installed MySQL on Mac OS X Mountain Lion with homebrew install mysql , but when I tried mysql -u root I got the following error: ...
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How do I get PyLint to recognize numpy members?

... I had the same issue here, even with the latest versions of all related packages (astroid 1.3.2, logilab_common 0.63.2, pylon 1.4.0). The following solution worked like a charm: I added numpy to the list of ignored modules by modifying my pylintrc file, in the [TYPECHECK] section: [...
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UML class diagram enum

... They are simply showed like this: _______________________ | <<enumeration>> | | DaysOfTheWeek | |_____________________| | Sunday | | Monday | | Tuesday | | ... | |____________________...
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How to check if a user likes my Facebook Page or URL using Facebook's API

...xample, the act of liking a Page or checking in to a Place cannot automatically register or enter a promotion participant." - facebook.com/promotions_guidelines.php – Chris Jacob May 18 '11 at 1:25 ...
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Returning binary file from controller in ASP.NET Web API

...rn result; } A few things to note about the stream used: You must not call stream.Dispose(), since Web API still needs to be able to access it when it processes the controller method's result to send data back to the client. Therefore, do not use a using (var stream = …) block. Web API will di...
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Is there any difference between __DIR__ and dirname(__FILE__) in PHP?

... ; so, no difference on that. For example, the two following lines : var_dump(dirname(__FILE__)); var_dump(__DIR__); Will both give the same output : string '/home/squale/developpement/tests/temp' (length=37) But, there are at least two differences : __DIR__ only exists with PHP >= 5.3...