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Unique Key constraints for multiple columns in Entity Framework
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With Entity Framework 6.1, you can now do this:
[Index("IX_FirstAndSecond", 1, IsUnique = true)]
public int FirstColumn { get; set; }
[Index("IX_FirstAndSecond", 2, IsUnique = true)]
public int SecondColumn { get; set; }
The second parameter in the attribu...
lodash multi-column sortBy descending
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Actually this would be the answer now. sortBy does not give you direction, but orderBy does.
– Pablo Palacios
Mar 5 '18 at 19:01
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
..."Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0.jdk/Contents/Home
Now you will need to logout/login and then:
java -version
java version "1.7.0_45"
:-)
Of course I have no idea if something else breaks now or if the 1.8.0-ea version of java still works correctly.
You probably should no...
Mocking python function based on input arguments
...r easier, could you rename the side_effect function to something else? (i know, i know, it is pretty simple, but improves readability the fact that function name and param name are different :)
– Juan Antonio Gomez Moriano
Apr 23 '13 at 6:21
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Access multiple elements of list knowing their index
I need to choose some elements from the given list, knowing their index. Let say I would like to create a new list, which contains element with index 1, 2, 5, from given list [-2, 1, 5, 3, 8, 5, 6]. What I did is:
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How to parse unix timestamp to time.Time
...g {
loc, _ := time.LoadLocation("America/Los_Angeles")
t := time.Now().In(loc)
return t.Format("20060102150405")
}
func GetTodaysDate() string {
loc, _ := time.LoadLocation("America/Los_Angeles")
current_time := time.Now().In(loc)
return current_time.Format("2006-01-02")
}...
How to avoid “if” chains?
...s and actions, it might turn out that foo is still doing too much, but for now this is a good solution.
– GraniteRobert
Jun 26 '14 at 13:43
13
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Difference between Node object and Element object?
...(not any node, only Elements). A number of properties or methods in HTML5 now return an HTMLCollection. While it is very similar in interface to a nodeList, a distinction is now made in that it only contains Elements, not any type of node.
The distinction between a nodeList and an HTMLCollection ...
Map over object preserving keys
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I know this is old, but now Underscore has a new map for objects :
_.mapObject(object, iteratee, [context])
You can of course build a flexible map for both arrays and objects
_.fmap = function(arrayOrObject, fn, context){
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Get class that defined method
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I don't know why no one has ever brought this up or why the top answer has 50 upvotes when it is slow as hell, but you can also do the following:
def get_class_that_defined_method(meth):
return meth.im_class.__name__
For pytho...