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Group vs role (Any real difference?)
...effectively inherits those permissions when he acts under that role.
Typically your group membership remains during the duration of your login. A role, on the other hand, can be activated according to specific conditions. If your current role is 'medical-staff' you might be able to see some of the ...
Re-doing a reverted merge in Git
... but git-merge command sees the original merge, and happily announces that all is well and branches have been already merged. What do I do now? Create a 'Revert "Revert "28s -> develop"" ' commit? Doesn't seem to be a good way to do it, but I can't imagine any other at the moment.
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What are “sugar”, “desugar” terms in context of Java 8?
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sugar, in programming, usually refers to those sweet additions, mostly shortcuts, that make some constructs easier to type and to read (the latter being, in practice, the most important during the life cycle of your program).
Wikipedia has a definiti...
Remove HTML Tags from an NSString on the iPhone
...d that method in the m file, and the prototype in the h file. When that is all set up, to use it all you have to do is have a string object (Example: NSString *myString = ...) and you call that method on your string object (NSString *strippedString = [myString stringByStrippingHTML];).
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Why are mutable structs “evil”?
... any other copies which might be around.
If your struct is immutable then all automatic copies resulting from being passed by value will be the same.
If you want to change it you have to consciously do it by creating a new instance of the struct with the modified data. (not a copy)
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Why / when would it be appropriate to override ToString?
...way? Yes.
But by using ToString you are using a method that is common to all objects and thus other classes know about this method. For instance, whenever the .NET framework wants to convert an object to a string representation, ToString is a prime candidate (there are others, if you want to provi...
Why functional languages? [closed]
...onal languages. In some cases, this can make code more readable.
Traditionally, one of the big disadvantages of functional programming was also the lack of side effects. It's very difficult to write useful software without IO, but IO is hard to implement without side effects in functions. So most p...
Purpose of Django setting ‘SECRET_KEY’
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Why didn't they call it a salt then? ;)
– datenwolf
Jun 15 '13 at 18:00
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Service vs IntentService in the Android platform
...use threads within Service.
The IntentService can be used in long tasks usually with no communication to Main Thread. If communication is required, can use Main Thread handler or broadcast intents. Another case of use is when callbacks are needed (Intent triggered tasks).
How to trigger?
The Se...
Sending a message to nil in Objective-C
...I wonder what " sending a message to nil " means - let alone how it is actually useful. Taking an excerpt from the documentation:
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