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How do I drop a foreign key constraint only if it exists in sql server?

I can drop a table if it exists using the following code but do not know how to do the same with a constraint: 10 Answers ...
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Root user/sudo equivalent in Cygwin?

I'm trying to run a bash script in Cygwin. 17 Answers 17 ...
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When should I create a destructor?

For example: 7 Answers 7 ...
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Recover from git reset --hard?

... You cannot get back uncommitted changes in general. Previously staged changes (git add) should be recoverable from index objects, so if you did, use git fsck --lost-found to locate the objects related to it. (This writes the objects to the .git/lost-found/ directory; from ther...
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Abort Ajax requests using jQuery

Is it possible that using jQuery, I cancel/abort an Ajax request that I have not yet received the response from? 17 Answe...
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How to return dictionary keys as a list in Python?

In Python 2.7 , I could get dictionary keys , values , or items as a list: 8 Answers ...
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Quick and easy file dialog in Python?

I have a simple script which parses a file and loads it's contents to a database. I don't need a UI, but right now I'm prompting the user for the file to parse using raw_input which is most unfriendly, especially because the user can't copy/paste the path. I would like a quick and easy way to pre...
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How to measure code coverage in Golang?

... Note that Go 1.2 (Q4 2013, rc1 is available) will now display test coverage results: One major new feature of go test is that it can now compute and, with help from a new, separately installed "go tool cover" program, display test coverage results. The cover tool is part o...
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On showing dialog i get “Can not perform this action after onSaveInstanceState”

Some users are reporting, if they use the quick action in the notification bar, they are getting a force close. 16 Answers ...
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How to check if all of the following items are in a list?

... Operators like <= in Python are generally not overriden to mean something significantly different than "less than or equal to". It's unusual for the standard library does this--it smells like legacy API to me. Use the equ...