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Label points in geom_point
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neilfws
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answered Mar 25 '13 at 21:30
agstudyagstudy
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Entity Framework code first unique column
...lve this by setting a maximum string length on your model:
[StringLength(450)]
Your model will look like this now in EF CF 6.1+:
public class User
{
public int UserId{get;set;}
[StringLength(450)]
[Index(IsUnique=true)]
public string UserName{get;set;}
}
Update:
if you use Fluent:...
List all svn:externals recursively?
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edited Aug 7 '17 at 15:49
answered Mar 25 '09 at 16:04
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What does __FILE__ mean in Ruby?
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GeoffGeoff
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87
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Entity Framework .Remove() vs. .DeleteObject()
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SlaumaSlauma
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When to use window.opener / window.parent / window.top
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PointyPointy
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App Inventor 2 数学代码块 · App Inventor 2 中文网
...(abs)
返回给定数字的绝对值。如：-3.3 的绝对值是 3.3，5 的绝对值是 5，0 的绝对值是 0。
相反数 (neg)
返回给定数字的负数，若给定负数则返回正数。如：8 返回 -8，-0.7 返回 0.7，0 则仍然返回 0。
对数 (log)
返回给定数...
What is the most robust way to force a UIView to redraw?
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5 Answers
5
Active
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Which parallel sorting algorithm has the best average case performance?
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+50
The following article (PDF download) is a comparative study of parallel sorting algorithms on various architectures:
Parallel sortin...
C++, Free-Store vs Heap
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75
See http://www.gotw.ca/gotw/009.htm; it can describe the differences between the heap and the fr...