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In Postgresql, force unique on combination of two columns

... 239 CREATE TABLE someTable ( id serial primary key, col1 int NOT NULL, col2 int NOT NU...
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Visual studio long compilation when replacing int with double

My copy of VS2013 Ultimate compiles this code for 60+ seconds: 2 Answers 2 ...
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Creating a URL in the controller .NET MVC

... 233 If you just want to get the path to a certain action, use UrlHelper: UrlHelper u = new UrlHel...
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How can I split a shell command over multiple lines when using an IF statement?

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How to create a temporary directory and get the path / file name in Python

... 214 Use the mkdtemp() function from the tempfile module: import tempfile import shutil dirpath =...
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MySQL COUNT DISTINCT

... 299 Select Count(Distinct user_id) As countUsers , Count(site_id) As countVisits , sit...
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Determine device (iPhone, iPod Touch) with iOS

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Is an index needed for a primary key in SQLite?

... | edited Mar 26 '12 at 10:11 mafu 27.4k3737 gold badges135135 silver badges225225 bronze badges ...
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Code equivalent to the 'let' keyword in chained LINQ extension method calls

... 254 Let doesn't have its own operation; it piggy-backs off of Select. You can see this if you use ...
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How can I wait till the Parallel.ForEach completes

... answered Oct 25 '11 at 9:13 Henk HoltermanHenk Holterman 230k2525 gold badges269269 silver badges448448 bronze badges ...