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Checking if a SQL Server login already exists
I need to check if a specific login already exists on the SQL Server, and if it doesn't, then I need to add it.
10 Answers
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How to prevent blank xmlns attributes in output from .NET's XmlDocument?
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edited Jan 8 '13 at 11:48
infojolt
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an...
Get class list for element with jQuery
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Mark Amery
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answered Aug 4 '09 at 12:44
redsquareredsquare
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How can I add numbers in a Bash script?
...(num1 + num2))
num=$(($num1 + $num2)) # Also works
num=$((num1 + 2 + 3)) # ...
num=$[num1+num2] # Old, deprecated arithmetic expression syntax
Using the external expr utility. Note that this is only needed for really old systems.
num=`expr $num1 + $num2` # Whitespace f...
What is the easiest way to remove all packages installed by pip?
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edited Mar 13 '14 at 14:08
answered Jun 28 '12 at 18:32
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Calculating Distance between two Latitude and Longitude GeoCoordinates
...lating the distance between two GeoCoordinates. I'm testing my app against 3-4 other apps. When I'm calculating distance, I tend to get an average of 3.3 miles for my calculation whereas other apps are getting 3.5 miles. It's a big difference for the calculation I'm trying to perform. Are there any ...
Smart pointers: who owns the object? [closed]
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For me, these 3 kinds cover most of my needs:
shared_ptr - reference-counted, deallocation when the counter reaches zero
weak_ptr - same as above, but it's a 'slave' for a shared_ptr, can't deallocate
auto_ptr - when the creation and de...
Ajax request returns 200 OK, but an error event is fired instead of success
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1135
jQuery.ajax attempts to convert the response body depending on the specified dataType parameter...
Responsively change div size keeping aspect ratio [duplicate]
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537
You can do this using pure CSS; no JavaScript needed. This utilizes the (somewhat counterintuit...
Printing object properties in Powershell
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answered Apr 3 '13 at 16:28
mjolinormjolinor
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