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Finding ALL duplicate rows, including “elements with smaller subscripts”

...me is a duplicate of an element with a smaller subscript. So if rows 3, 4, and 5 of a 5-row data frame are the same, duplicated will give me the vector ...
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How to write to a file, using the logging Python module?

... An example of using logging.basicConfig rather than logging.fileHandler() logging.basicConfig(filename=logname, filemode='a', format='%(asctime)s,%(msecs)d %(name)s %(levelname)s %(message)s', datefmt='%H:...
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Pad a string with leading zeros so it's 3 characters long in SQL Server 2008

...t;= 3, if you want something larger you need to change the string constant and the two integer constants to the width needed. eg '0000' and VARCHAR(4)),4 share | improve this answer | ...
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Go build: “Cannot find package” (even though GOPATH is set)

...e your foobar.go source file is not in a directory called foobar. go build and go install try to match directories, not source files. Set $GOPATH to a valid directory, e.g. export GOPATH="$HOME/go" Move foobar.go to $GOPATH/src/foobar/foobar.go and building should work just fine. Additional reco...
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How do I get the AM/PM value from a DateTime?

... answered Oct 24 '11 at 12:06 AndyAndy 6,97077 gold badges3939 silver badges6666 bronze badges ...
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EF Migrations: Rollback last applied migration?

... answered Aug 13 '12 at 18:38 Andrew PetersAndrew Peters 10.2k44 gold badges3434 silver badges3434 bronze badges ...
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Pod install is staying on “Setting up CocoaPods Master repo”

...e pod install the first line I see is "Setting up CocoaPods Master repo" and after that I can't see anything more, the console stops there. ...
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How to find index of list item in Swift?

... As swift is in some regards more functional than object-oriented (and Arrays are structs, not objects), use the function "find" to operate on the array, which returns an optional value, so be prepared to handle a nil value: let arr:Array = ["a","b","c"] find(arr, "c")! // 2 fi...
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When to use Cast() and Oftype() in Linq

... two methods of casting types to IEnumerable from an Arraylist in Linq and wondering in which cases to use them? 7 Answ...
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Xcode debugging - displaying images

I love using the Xcode debugger. You can take a look at a variable's value and even change it. 6 Answers ...