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Create unique constraint with null columns

...t have a foreign key referencing (user_id, menu_id, recipe_id), you cannot base CLUSTER on a partial index, and queries without a matching WHERE condition cannot use the partial index. (It seems unlikely you'd want a FK reference three columns wide - use the PK column instead). If you need a comple...
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Limits of Nat type in Shapeless

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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Is gcc std::unordered_map implementation slow? If so - why?

...ng the code on GCC. My answer is just to establish some kind of knowledge base to other answers. share | improve this answer | follow | ...
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Android, ListView IllegalStateException: “The content of the adapter has changed but ListView did no

...ut you should pass results to UI thread and do the adding items to adapter base collection and notifying adapter in the same block of code. – tomash Apr 22 '14 at 8:09 4 ...
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What is the difference between null and undefined in JavaScript?

...programmers, and setting variables to null is the best way to prevent bugs based on it. Another instance where you will see undefined pop up is when using the delete operator. Those of us from a C-world might incorrectly interpret this as destroying an object, but it is not so. What this operation ...
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Partly JSON unmarshal into a map in Go

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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jQuery UI - Close Dialog When Clicked Outside

... I read in another place about filtering based in the event, and that solved the problem: groups.google.com/group/jquery-ui/msg/a880d99138e1e80d – Sonny Mar 31 '10 at 17:08 ...
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Copy the entire contents of a directory in C#

... Copy(sourceDirectory, targetDirectory); } // Output will vary based on the contents of the source directory. } share | improve this answer | follow ...
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How to reset Jenkins security settings from the command line?

...enkins/config.xml looks something like this if you have activated "Project-based Matrix Authorization Strategy". Deleting /var/lib/jenkins/config.xml and restarting jenkins also does the trick. I also deleted the users in /var/lib/jenkins/users to start from scratch. <authorizationStrategy class...
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Visual Studio move project to a different folder

...lution, you can load the dependent projects again. – base2 Nov 30 '11 at 11:25 13 Don't forget th...