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conditional unique constraint
I have a situation where i need to enforce a unique constraint on a set of columns, but only for one value of a column.
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Best algorithm for detecting cycles in a directed graph [closed]
What is the most efficient algorithm for detecting all cycles within a directed graph?
14 Answers
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Error installing libv8: ERROR: Failed to build gem native extension
I made a rails project with,
16 Answers
16
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How to convert a double to long without casting?
What is the best way to convert a double to a long without casting?
9 Answers
9
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Bash set +x without it being printed
Does anyone know if we can say set +x in bash without it being printed:
5 Answers
5
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What does $(function() {} ); do?
...just jQuery short-hand for
$(document).ready(function() { ... });
What it's designed to do (amongst other things) is ensure that your function is called once all the DOM elements of the page are ready to be used.
However, I don't think that's the problem you're having - can you clarify what you...
problem with and :after with CSS in WebKit
I would like to add some style on a select box with the pseudo :after (to style my select box with 2 parts and without images). Here's the HTML:
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Scroll Element into View with Selenium
Is there any way in either Selenium 1.x or 2.x to scroll the browser window so that a particular element identified by an XPath is in view of the browser? There is a focus method in Selenium, but it does not seem to physically scroll the view in FireFox. Does anyone have any suggestions on how to do...
remove nuget package restore from solution
...NuGet Package Restore':
http://docs.nuget.org/docs/workflows/using-nuget-without-committing-packages
15 Answers
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Can I use the range operator with if statement in Swift?
Is it possible to use the range operator ... and ..< with if statement. Maye something like this:
6 Answers
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