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How to do a git diff on moved/renamed file?

I moved a file using git mv . Now I would like to do a diff on the new file to compare it with the old file (with the old, now non-existent name). ...
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

as the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback. ...
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How do you log all events fired by an element in jQuery?

... $(element).on("click mousedown mouseup focus blur keydown change",function(e){ console.log(e); }); That will get you a lot (but not all) of the information on if an event is fired... other than manually coding it like this, I can't think of any...
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apache redirect from non www to www

I have a website that doesn't seem to redirect from non-www to www. 24 Answers 24 ...
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How to Join to first row

... How do you do this if the join is via a compound key/has multiple columns? – Brett Ryan Sep 12 '12 at 7:20 8 ...
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convert ArrayList to JSONArray

...going to accept your answer and then post a code sample of what i ended up doing. i hope this isn't bad SO etiquette. – pmko Jan 30 '11 at 9:40 ...
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How do I determine the target architecture of static library (.a) on Mac OS X?

...r/lib/libMallocDebug.a (for architecture i386): current ar archive random library /usr/lib/libMallocDebug.a (for architecture ppc): current ar archive share | improve this answer ...
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How to copy Java Collections list

...); also creates a shallow copy of a within b. If the first parameter, b, does not have enough capacity (not size) to contain all of a's elements, then it will throw an IndexOutOfBoundsException. The expectation is that no allocations will be required by Collections.copy to work, and if any are, th...
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SQL Server 2008: how do I grant privileges to a username?

...SERT, UPDATE, DELETE permission on specific tables. This is all very well documented in the MSDN Books Online for SQL Server. And yes, you can also do it graphically - in SSMS, go to your database, then Security > Users, right-click on that user you want to give permissions to, then Properties ...
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How can the Euclidean distance be calculated with NumPy?

... The linalg.norm docs can be found here: docs.scipy.org/doc/numpy/reference/generated/… My only real comment was sort of pointing out the connection between a norm (in this case the Frobenius norm/2-norm which is the default for norm funct...