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Mapping a function on the values of a map in Clojure
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answered Nov 5 '09 at 2:16
Brian CarperBrian Carper
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How to find my Subversion server version number?
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211
To find the version of the subversion REPOSITORY you can:
Look to the repository on the web ...
Mod of negative number is melting my brain
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12 Answers
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How to find all occurrences of an element in a list?
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123
While not a solution for lists directly, numpy really shines for this sort of thing:
import nu...
How to remove convexity defects in a Sudoku square?
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256
I have a solution that works, but you'll have to translate it to OpenCV yourself. It's written...
Oracle “(+)” Operator
...s) didn't standardize OUTER joins.
The query would be re-written in ANSI-92 syntax as:
SELECT ...
FROM a
LEFT JOIN b ON b.id = a.id
This link is pretty good at explaining the difference between JOINs.
It should also be noted that even though the (+) works, Oracle recommends not using ...
Batch file. Delete all files and folders in a directory
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edited May 23 '14 at 12:51
DontVoteMeDown
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Simultaneously merge multiple data.frames in a list
... but they all share the key variables (which I've called "var1" and "var2" in the code below). If the data.frames were identical in terms of columns, I could merely rbind , for which plyr's rbind.fill would do the job, but that's not the case with these data.
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NameError: global name 'xrange' is not defined in Python 3
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You are trying to run a Python 2 codebase with Python 3. xrange() was renamed to range() in Python 3.
Run the game with Python 2 instead. Don't try to port it unless you know what you are doing, most likely there will be more problems beyond xrange() vs. ...
Email Address Validation in Android on EditText [duplicate]
...erns.EMAIL_ADDRESS.matcher(this).matches()
Edit: It will work On Android 2.2+ onwards !!
Edit: Added missing ;
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