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Replacing column values in a pandas DataFrame

...strings containing numbers. You can convert them to "1" and "0", if you really want, but I'm not sure why you'd want that.) The reason your code doesn't work is because using ['female'] on a column (the second 'female' in your w['female']['female']) doesn't mean "select rows where the value is 'fe...
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How to pipe list of files returned by find command to cat to view all the files

...ipe it to another utility like cat (so that cat displays the contents of all those files) and basically need to grep something from these files. ...
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django test app error - Got an error creating the test database: permission denied to create databas

... you will have the same error. You can fix it for mysql with: => GRANT ALL ON *.* TO django@localhost; I originally tried to only GRANT CREATE... but then could not SELECT or DROP the created database. This essentially makes your user a superuser, so be careful. – mightypi...
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How can I initialize an ArrayList with all zeroes in Java?

... That is much better than my solution (even my updated one that actually works hehehe). I would recommend not making a new ArrayList out of it though, and instead simply program to List. That's a decision left to the OP, of course. – corsiKa Apr 8 '11 at...
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git ignore all files of a certain type, except those in a specific subfolder

... my case, I realized that I want to ignore nothing in my spec directory at all. So I am able to get away with a very simple !spec. Works like a charm. – Alex Wayne Jan 6 '11 at 23:31 ...
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Update all values of a column to lowercase

... @BjörnC - upper/lower only changes letters; all other characters are unchanged. – ToolmakerSteve Apr 9 '19 at 17:54 ...
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Understanding the Event Loop

...nd get executed. There's only 1 thread in the node process that will actually execute your program's JavaScript. However, within node itself, there are actually several threads handling operation of the event loop mechanism, and this includes a pool of IO threads and a handful of others. The key i...
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Xcode Project vs. Xcode Workspace - Differences

... linker flags, and they define which files (source code and resources) actually belong to a product. When you build/run, you always select one specific target. It is likely that you have a few targets that share code and resources. These different targets can be slightly different versions of an ap...
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ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()

To allocate() or to allocateDirect() , that is the question. 4 Answers 4 ...
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How to get the absolute coordinates of a view

...solute screen pixel coordinates of the top left corner of a view. However, all methods I can find such as getLeft() and getRight() don't work as they all seem to be relative to the parent of the view, thus giving me 0 . What is the proper way to do this? ...