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How to delete duplicate rows in SQL Server?
...ER() OVER (PARTITION BY col1,col2,col3 ORDER BY col1,col2,col3) AS RN
FROM MyTable
)
DELETE FROM CTE WHERE RN<>1
without keeping original
WITH CTE AS
(SELECT *,R=RANK() OVER (ORDER BY col1,col2,col3)
FROM MyTable)
DELETE CTE
WHERE R IN (SELECT R FROM CTE GROUP BY R HAVING COUNT(*)&g...
Quick Sort Vs Merge Sort [duplicate]
...personally wanted to test the difference between Quick sort and merge sort myself and saw the running times for a sample of 1,000,000 elements.
Quick sort was able to do it in 156 milliseconds whereas
Merge sort did the same in 247 milliseconds
The Quick sort data was, however, was random and quic...
How to discard local changes in an SVN checkout?
...e sent containing the patch or multiple patches):
$ git show -p HEAD > my-mighty-patch.patch
To get rid of git meta data, just do rm -rf .git/. If you plan to continue hacking with the original working directory, you could continue using git to manage your local changes. In this case you woul...
Disable scrolling on ``
... to be focused. Alternatively, I just used the text type of inputs and put my number restriction to it (lossing up/down key shortcut but can be added with js as well)
– zeachco
Jul 14 '15 at 2:23
...
Tracking Google Analytics Page Views with AngularJS
... client side is done with HTML5 pushstate and I'd like to be able to track my page views in Google Analytics.
21 Answers
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Where does 'Hello world' come from?
...
I should have been more careful with language in my original post about this --
Of course Barlop is right, K&R was published in 1978. A coma was missing in my post. I meant that the BCPL manual with Dr. Kernighan's Hello World code was dated 1972. The memorandum with...
Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat
...tderr=PIPE, universal_newlines=True, shell=True)
return result.stdout
my_output = out("echo hello world")
# Or
my_output = out(["echo", "hello world"])
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How to print to stderr in Python?
...
import sys
sys.stderr.write()
Is my choice, just more readable and saying exactly what you intend to do and portable across versions.
Edit: being 'pythonic' is a third thought to me over readability and performance... with these two things in mind, with p...
Intercept page exit event
When editing a page within my system, a user might decide to navigate to another website and in doing so could lose all the edits they have not saved.
...
“Parse Error : There is a problem parsing the package” while installing Android application
...ARDemo.apk (make sure to back up the older version) and see if that helps. My guess is that it has something to do with the name of the apk.
If it still does not work, then you can eliminate the name of the apk file as the source of the problem and start investigating 2) by rebuilding your old vers...