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Replace None with NaN in pandas dataframe

... answered Dec 7 '17 at 20:21 Max IzadiMax Izadi 18111 silver badge33 bronze badges ...
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How to read a .xlsx file using the pandas Library in iPython?

... for sheet_name in xl_file.sheet_names} Update: In pandas version 0.21.0+ you will get this behavior more cleanly by passing sheet_name=None to read_excel: dfs = pd.read_excel(file_name, sheet_name=None) In 0.20 and prior, this was sheetname rather than sheet_name (this is now deprecated...
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ListBox vs. ListView - how to choose for data binding

...5.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.9512V9.17788Z\"/\u003e\u003cpath d=\"M32.492 10.1419C32.492 12.6954 34.1182 14.0484 37.0451 14.0484C39.9723...
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How do I create a directory from within Emacs?

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Search for selection in vim

...Cory Klein 36.8k2424 gold badges158158 silver badges216216 bronze badges 4 ...
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How to convert ActiveRecord results into an array of hashes

... 212 as_json You should use as_json method which converts ActiveRecord objects to Ruby Hashes desp...
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How to use android emulator for testing bluetooth application?

...ngle from USB? – mr5 Apr 6 '17 at 7:21 6 Very nice, thank you! Worked in the free VMWare player. ...
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Why can't enum's constructor access static fields?

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Understanding $.proxy() in jQuery

...he function – higuaro Sep 11 '13 at 21:05 add a comment  |  ...
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How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]

...ows" – Evgeny Gavrin May 7 '11 at 9:21 10 There is more... it should be #if TARGET_OS_IPHONE rath...