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mongoDB/mongoose: unique if not null

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Optional query string parameters in ASP.NET Web API

... This issue has been fixed in the regular release of MVC4. Now you can do: public string GetFindBooks(string author="", string title="", string isbn="", string somethingelse="", DateTime? date= null) { // ... } and everything will work out of the box. ...
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Haskell export current module with additional imported module

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How do I enter RGB values into Interface Builder?

... 472 Click on the color slider icon, and then choose "RGB Sliders" from the drop-down list. You ...
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Select second last element with css

...owser Support: Chrome 2 Firefox 3.5 Opera 9.5, 10 Safari 3.1, 4 Internet Explorer 9 share | improve this answer | follow | ...
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rspec 3 - stub a class method

... answered Jul 31 '14 at 18:49 Arup RakshitArup Rakshit 108k2323 gold badges220220 silver badges273273 bronze badges ...
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SQL Server Management Studio won't let me add an index to a table

...| edited Jul 16 '19 at 20:49 answered Nov 19 '12 at 2:57 Ke...
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Create UIActionSheet 'otherButtons' by passing in array, not varlist

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Python, remove all non-alphabet chars from string

... | edited Dec 18 '19 at 2:42 Jon-Eric 15.5k88 gold badges5555 silver badges9292 bronze badges answered M...
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SQL Server: converting UniqueIdentifier to string in a case statement

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