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Entity Framework code first unique column
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In Entity Framework 6.1+ you can use this attribute on your model:
[Indem>x m>(IsUnique=true)]
You can find it in this namespace:
using System.ComponentModel.DataAnnotations.Schema;
If your model field is a string, make sure it is not set to nvarchar(MAm>X m>) in SQL Server or you will see this error ...
Set padding for UITem>x m>tField with UITem>x m>tBorderStyleNone
I wanted to use a custom background for my UITem>x m>tFields . This works fine em>x m>cept for the fact that I have to use UITem>x m>tBorderStyleNone to make it look pretty. This forces the tem>x m>t to stick to the left without any padding.
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How can you check which options vim was compiled with?
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You can see everything vim was compiled with by em>x m>ecuting
:version
To query for an em>x m>act feature like python you can use the has() function with the feature you are looking for. The code below will return a 1 if it has the feature or 0 if it does not.
:echo has('python'...
How do I get the opposite (negation) of a Boolean in Python?
...cient. It will create a list and then perform a linear search. Better than m>x m> in range(low, high) is low <= m>x m> < high.
– MRAB
Aug 11 '11 at 19:24
add a comment
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How to crop an image in OpenCV using Python
...y slicing.
import cv2
img = cv2.imread("lenna.png")
crop_img = img[y:y+h, m>x m>:m>x m>+w]
cv2.imshow("cropped", crop_img)
cv2.waitKey(0)
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Use of an em>x m>clamation mark in a Git commit message via the command line
How do I enter an em>x m>clamation point into a Git commit message from the command line?
6 Answers
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Difference between object and class in Scala
... going over some Scala tutorials on the Internet and have noticed in some em>x m>amples an object is declared at the start of the em>x m>ample.
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LINQ Join with Multiple Conditions in On Clause
...on that might make more sense:
from t1 in Projects
from t2 in Tasks.Where(m>x m> => t1.ProjectID == m>x m>.ProjectID && m>x m>.Completed == true)
.DefaultIfEmpty()
select new { t1.ProjectName, t2.TaskName }
sha...
Why does this Java code compile?
...illegal because b is an illegal forward reference to b. You can actually fim>x m> this by writing int b = this.b + 1, which compiles without complaints.
For local variables, int d = d + 1 is illegal because d is not initialized before use. This is not the case for fields, which are always default-initia...