大约有 23,000 项符合查询结果（耗时：0.0334秒） [XML]
How to improve Netbeans performance?
...e or on the command line.
Put the values in the netbeans_default_options string. Example :
netbeans_default_options="-J-client -J-Xss2m -J-Xms32m -J-XX:PermSize=32m -J-Dapple.laf.useScreenMenuBar=true -J-Dapple.awt.graphics.UseQuartz=true -J-Dsun.java2d.noddraw=true -J-Dsun.java2d.dpiaware=true ...
How to test if list element exists?
...tain NULL elements, it might not be enough to check is.null(foo$a). A more stringent test might be to check that the name is actually defined in the list:
foo <- list(a=42, b=NULL)
foo
is.null(foo[["a"]]) # FALSE
is.null(foo[["b"]]) # TRUE, but the element "exists"...
is.null(foo[["c"]]) # TRUE...
How to get the current branch name in Git?
...t symbolic-ref HEAD | sed -e "s/^refs\/heads\///" since it will display a string like HEAD detached at a63917f when in a detached state, unlike the other answers which show either nothing or HEAD. This is important.
– Bernard
Jan 15 '16 at 6:12
...
How to iterate a loop with index and element in Swift
...e(_ sender: UIButton) {
let tuple = generator.next()
print(String(describing: tuple))
}
}
PlaygroundPage.current.liveView = ViewController()
/*
Optional((offset: 0, element: "Car"))
Optional((offset: 1, element: "Bike"))
Optional((offset: 2, element: "Plane"))
Optional((of...
Git pull from another repository
...ush to upstream (and sorry about the Rickroll, but it was the first random string that popped into my head).
share
|
improve this answer
|
follow
|
...
How to join NSArray elements into an NSString?
Given an NSArray of NSStrings, is there a quick way to join them together into a single NSString (with a Separator)?
3 Answ...
Can I access a form in the controller?
...her ng-form uses this forms name literally. So it will have a field with a string-literal (NOT nested properties) name of "dummy.myForm", I found this unacceptable.
– Basil
Jul 15 '17 at 0:29
...
What 'additional configuration' is necessary to reference a .NET 2.0 mixed mode assembly in a .NET 4
...e framework you're targeting, you may want to look here to get the correct string:
http://msdn.microsoft.com/en-us/library/ee517334.aspx
I wasted hours trying to figure out why my release targeting .Net 4.0 client required the full version.
I used this in the end:
<startup useLegacyV2RuntimeActiv...
Entity Framework Provider type could not be loaded?
... Also, because of compiler optimization you might want to also do x.ToString() or it will take out the typeofs in Release.
– Jordan
Apr 15 '14 at 13:07
15
...
Is it possible only to declare a variable without assigning any value in Python?
...duced the notion of type comments to annotate variables:
# 'captain' is a string (Note: initial value is a problem)
captain = ... # type: str
PEP 526 aims at adding syntax to Python for annotating the types of variables (including class variables and instance variables), instead of expressing th...