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How do I diff the same file between two different commits on the same branch?
...>...]
For instance, to see the difference for a file "main.c" between now and two commits back, here are three equivalent commands:
$ git diff HEAD^^ HEAD main.c
$ git diff HEAD^^..HEAD -- main.c
$ git diff HEAD~2 HEAD -- main.c
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How update the _id of one MongoDB Document?
I want update an _id field of one document. I know it's not a really good pratice. But with some technical reason, I need update it. If I try to update it I get:
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Difference between Role and GrantedAuthority in Spring Security
...s added, a profile is assigned to it (having all permissible permissions). Now when ever user try to perform some action, permission/role for that action is checked against user grantedAuthorities.
Also the defaultn RoleVoter uses prefix ROLE_, so any authority starting with ROLE_ is considered as ...
Do I have to Close() a SQLConnection before it gets disposed?
...d be they won't change that behaviour simply because it's what people have now come to expect.
– user593806
Jan 2 '13 at 11:12
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How do you get assembler output from C/C++ source in gcc?
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Sadly, as on OS X doesn't know these flags. If it did, though, you could probably one-line this using -Wa to pass options to as.
– Grumdrig
Apr 5 '13 at 4:57
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What does [:] mean?
I'm analyzing some Python code and I don't know what
6 Answers
6
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How do I check if a string is a number (float)?
...NaN')
nan
Otherwise, I should actually thank you for the piece of code I now use extensively. :)
G.
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How to create a jQuery plugin with methods?
...tooltip', $.extend(true, {}, $.fn.tooltip.defaults, methodOrOptions));, so now I can access to options whenever I want after the initialization.
– ivkremer
Aug 7 '13 at 11:10
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Abstract classes in Swift Language
...e {
func accelerate(by: Float) {
speed += by
}
}
You can now create new types by implementing Drivable.
struct Car: Drivable {
var speed: Float = 0.0
init() {}
}
let c = Car()
c.accelerate(10)
So basically you get:
Compile time checks that guarantee that all Drivables...
Static methods in Python?
...umber of arguments, but would also cause an exception to be raised because now n would be representing a Dog instance (i.e., rex) when the function expects n to be numerical.
This is where the decoration comes in:
If we precede the "rollCall" method with
@staticmethod
then, by explicitly stating...