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Assign pandas dataframe column dtypes

... Since 0.17, you have to use the explicit conversions: pd.to_datetime, pd.to_timedelta and pd.to_numeric (As mentioned below, no more "magic", convert_objects has been deprecated in 0.17) df = pd.DataFrame({'x': {0: 'a', 1: 'b'}, '...
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SQL - many-to-many table primary key

... answered Feb 3 '10 at 7:20 paxdiablopaxdiablo 737k199199 gold badges14231423 silver badges17931793 bronze badges ...
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Detect if homebrew package is installed

... 167 You can use brew ls --versions myformula to output the installed versions of the respective f...
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What is the purpose of global.asax in asp.net

... | edited Aug 7 '15 at 6:59 answered Feb 26 '10 at 9:34 ...
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Markdown vs markup - are they related?

...rting "markdown". – PeterX Sep 20 '17 at 3:42 Brevity's the soul of wit, but this answer could offer a little more, e....
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Any way to modify Jasmine spies based on arguments?

...gs('abc').and.returnValue('Jane') .withArgs('123').and.returnValue(98765); }); }); For Jasmine versions earlier than 3.0 callFake is the right way to go, but you can simplify it using an object to hold the return values describe('my fn', function() { var params = { 'abc': 'Jane', ...
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Write string to text file and ensure it always overwrites the existing content.

... 375 System.IO.File.WriteAllText (@"D:\path.txt", contents); If the file exists, this overwrites ...
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How to get execution time in rails console?

... I've found this post very useful: caseyscarborough.com/blog/2013/07/22/… – hernanvicente May 30 '15 at 6:33 ...
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XPath query to get nth instance of an element

...tre NovatchevDimitre Novatchev 225k2626 gold badges273273 silver badges394394 bronze badges 6 ...
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Spring: how do I inject an HttpServletRequest into a request-scoped bean?

... answered Jul 24 '10 at 7:27 skaffmanskaffman 374k9292 gold badges779779 silver badges744744 bronze badges ...