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Unique Key constraints for multiple columns in Entity Framework
...= true)]
public int FirstColumn { get; set; }
[Index("IX_FirstAndSecond", 2, IsUnique = true)]
public int SecondColumn { get; set; }
The second parameter in the attribute is where you can specify the order of the columns in the index.
More information: MSDN
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What is 'Currying'?
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edited Jun 24 '19 at 16:00
Maarten ten Velden
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Long vs Integer, long vs int, what to use and when?
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Long is the Object form of long, and Integer is the object form of int.
The long uses 64 bits. ...
Rails ActionMailer - format sender and recipient name/email address
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If you are taking user input for name and email, then unless you very carefully validate or es...
Check for installed packages before running install.packages() [duplicate]
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edited Feb 18 '12 at 14:02
Sacha Epskamp
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Convert bytes to a string
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edited Jul 24 '15 at 18:14
answered Mar 3 '09 at 12:26
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How to test multiple variables against a value?
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Hidden features of Windows batch files
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Convert timedelta to total seconds
...s().
>>> import datetime
>>> datetime.timedelta(seconds=24*60*60).total_seconds()
86400.0
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How do I diff the same file between two different commits on the same branch?
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From the git-diff manpage:
git diff [--options] <commit> <commit> [--] [<path&g...