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Can I have multiple primary keys in a single table?
... came here looking to see if I could uniquely identify a row with one of a set of keys. For instance, I would like to identify a unique user with either a username OR a userid, without needing both. I guess RB's answer of unique indexes would do the trick there.
– Burrito
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How to get duplicate items from a list using LINQ? [duplicate]
... list = new List<string> { "6", "1", "2", "4", "6", "5", "1" };
var set = new HashSet<string>();
var duplicates = list.Where(x => !set.Add(x));
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Is there a way that I can check if a data attribute exists?
...fail in the case where there is no data attribute, but data has still been set with the .data() method, e.g. $('#dataTable').data('timer', Date.now()). It seems the OP wants to check that the actual data attribute is there. @niiru's solution (or the one you offer in a comment to that solution) is be...
How to specify a min but no max decimal using the range data annotation attribute?
...cimal), "0", "79228162514264337593543950335")]
public decimal Price { get; set; }
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Row Offset in SQL Server
Is there any way in SQL Server to get the results starting at a given offset? For example, in another type of SQL database, it's possible to do:
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Error: allowDefinition='MachineToApplication' beyond application level
...er errors waiting for me after this but they were unrelated. I got here by setting MvcBuildViews to true.
– Benjamin
Apr 1 '13 at 13:42
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How do I type using my keyboard on the iphone simulator?
...son I had the same problem. My keyboard was working and at some point this setting has changed and keyboard in simulator stopped working. This is the answer that sovled my problem in XCode 8.3
– sonar0007
Oct 1 '17 at 20:13
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Is there a way to check if WPF is currently executing in design mode or not?
...xt="{d:DesignData Source=../DesignData/SamplePage.xaml}">
You have to set the SamplePage.xaml file properties to:
BuildAction: DesignData
Copy to Output Directory: Do not copy
Custom Tool: [DELETE ANYTHING HERE SO THE FIELD IS EMPTY]
I place these in my UserCont...
C# int to byte[]
...tly it only works if integer overflow checking is disabled in the compiler settings.
– CodesInChaos
Mar 3 '18 at 18:14
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Clearing localStorage in javascript?
Is there any way to reset/clear browser's localStorage in javascript?
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