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What is the most efficient way to loop through dataframes with pandas? [duplicate]

...Note that iterrows is very slow (it converts every row to a series, potentially messing with your data types). When you need an iterator, better to use itertuples – joris Jul 29 '15 at 15:46 ...
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Why isn't sizeof for a struct equal to the sum of sizeof of each member?

... errors. Here's an example using typical settings for an x86 processor (all used 32 and 64 bit modes): struct X { short s; /* 2 bytes */ /* 2 padding bytes */ int i; /* 4 bytes */ char c; /* 1 byte */ /* 3 padding bytes */ }; struct Y { int i; /* 4...
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How to get the list of all printers in computer

I need to get the list of all printers that connect to computer? 6 Answers 6 ...
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JSON serialization of Google App Engine models

... There is a small mistake in the code: Where you have "output[key] = to_dict(model)" it should be: "output[key] = to_dict(value)". Besides that it's perfect. Thanks! – arikfr Nov 7 '09 at 22:02 ...
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viewWillDisappear: Determine whether view controller is being popped or is showing a sub-view contro

...trollers property) has been updated by the time that viewWillDisappear is called. share | improve this answer | follow | ...
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How to disable back swipe gesture in UINavigationController on iOS 7

...ewDidDisappear, but works in method viewWillDisappear. On iOS7 it works in all of above mentioned methods. So try to use it in any other methods while working on the viewController, I confirm it works for me on iOS8 when I click on some button inside of the view. – Sihad Begovi...
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Targeting only Firefox with CSS

...more on "using selector hacks" and on how the example you provided specifically works? Thanks. – jj_ Nov 30 '14 at 11:15 1 ...
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How can I test a Windows DLL file to determine if it is 32 bit or 64 bit? [duplicate]

I'd like to write a test script or program that asserts that all DLL files in a given directory are of a particular build type. ...
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UITextView style is being reset after setting text property

I have UITextView *_masterText and after call method setText property font is being reset. It's happening after I change sdk 7. _masterText is IBOutlet , global and properties are set in storyboard. It's only me or this is general SDK bug? ...
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How to get RelativeLayout working with merge and include?

... This is really easier, less hardcoded, and more optimized solution than packing <include/> into another layout. Think what would you do if you would work with lists. – teoREtik Feb 2 '12 at ...