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What does principal end of an association means in 1:1 relationship in Entity framework
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380
In one-to-one relation one end must be principal and second end must be dependent. Principal end...
conditional unique constraint
...this. The difference is, you'll return false if Status = 1 and Count > 0.
http://msdn.microsoft.com/en-us/library/ms188258.aspx
CREATE TABLE CheckConstraint
(
Id TINYINT,
Name VARCHAR(50),
RecordStatus TINYINT
)
GO
CREATE FUNCTION CheckActiveCount(
@Id INT
) RETURNS INT AS BEGIN
DE...
How can I style an Android Switch?
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JanuszJanusz
170k109109 gold badges288288 silver badges363363 bronze badges
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jQuery's jquery-1.10.2.min.map is triggering a 404 (Not Found)
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If Chrome DevTools is reporting a 404 for a .map file (maybe jquery-1.10.2.min.map, jquery.min.map or jquery-2.0.3.min.map, but can happen with anything) first thing to know is this is only requested when using the DevTools.
Your users will not be hitting thi...
How to get number of rows using SqlDataReader in C#
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answered Sep 5 '09 at 13:25
Henk HoltermanHenk Holterman
230k2525 gold badges269269 silver badges448448 bronze badges
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How to get a complete list of object's methods and attributes?
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140
For the complete list of attributes, the short answer is: no. The problem is that the attributes...
Can I find out the return value before returning while debugging in Intellij?
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edited Feb 16 '11 at 1:10
answered Feb 16 '11 at 1:01
jlu...
Check if inputs are empty using jQuery
...g');
}
});
And you don't necessarily need .length or see if it's >0 since an empty string evaluates to false anyway but if you'd like to for readability purposes:
$('#apply-form input').blur(function()
{
if( $(this).val().length === 0 ) {
$(this).parents('p').addClass('warning'...
Create an empty data.frame
... stringsAsFactors=FALSE)
str(df)
> str(df)
'data.frame': 0 obs. of 5 variables:
$ Doubles : num
$ Ints : int
$ Factors : Factor w/ 0 levels:
$ Logicals : logi
$ Characters: chr
N.B. :
Initializing a data.frame with an empty column of the wrong type does not ...
How to pull remote branch from somebody else's repo
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edited Aug 10 '17 at 1:03
answered May 4 '11 at 14:17
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