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Apply multiple functions to multiple groupby columns
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The second half of the currently accepted answer is outdated and has two deprecations. First and most important, you can no longer pass a dictionary of dictionaries to the agg groupby method. Second, never use .ix.
If you desire to work with two separate columns at the same time I wou...
Java Error opening registry key
I get this error when I try to do anything with Java in command prompt:
14 Answers
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How does an underscore in front of a variable in a cocoa objective-c class work?
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@LearnCocos2D Hi! A newbie to iOS here and there's something I need to clarify. For all this time what I did was declare the property in the .h file and in the .m fie I access it using self like so, self.someProperty. Is this the right way? Or should I be using th...
PHP how to get local IP of system
... answered Nov 5 '13 at 18:37
andras.timandras.tim
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Explain ExtJS 4 event handling
I've recently started learning ExtJS, and have trouble understanding how to handle Events. I have no experience of any previous versions of ExtJS.
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JavaScript global event mechanism
...e to catch every undefined function error thrown. Is there a global error handling facility in JavaScript? The use case is catching function calls from flash that are not defined.
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android - How to set the Rating bar is non clickable and touchable in HTC mobile
...plication have rating bars. I want to set the Rating bar is non-click able and no-touchable. For this i added the following code in xml file of each rating bar.
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Where are iOS simulator screenshots stored?
...reenshots from within the simulator using File -> Save Screen Shot (Command-S), those files end up on the Desktop as something like: iOS Simulator Screen shot Apr 22, 2012.png.
Under Xcode 6 & newer, device screenshots taken with the "Take Screenshot" button in the Xcode "Devices" menu will e...
LINQ, Where() vs FindAll()
Can someone explain how the LINQ functions Where(..) and FindAll(..) differ? They both seem to do the same thing...
4 Answe...
Are unused CSS images downloaded?
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Safari: Doesn't
IE8: Doesn't
IE7: Doesn't
IE6: Unknown (Can someone test and comment?)
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