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Is it abusive to use IDisposable and “using” as a means for getting “scoped behavior” for exception
...m your program that this thing aggressively re-locks the frobble no matter what happens. Is that right? An exception has been thrown. The program is in an unknown state. We do not know whether Foo, Fiddle or Bar threw, why they threw, or what mutations they performed to other state that were not c...
What's the difference between a mock & stub?
...ncies of a class or function so your tests are more focused and simpler in what they are trying to prove.
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What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?
Is there a standard for what actions F5 and Ctrl + F5 trigger in web browsers?
6 Answers
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What is an .inc and why use it?
I often see examples in PHP that include.inc files. What is the meaning of .inc? What it is used for? What are the disadvantages and advantages of using it?
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Can virtual functions have default parameters?
...demonstrates this.
Some compilers may do something different, but this is what the C++03 and C++11 Standards say:
8.3.6.10:
A virtual function call (10.3) uses
the default arguments in the
declaration of the virtual function
determined
by the static type of the pointer or refer...
Best way to create enum of strings?
What is the best way to have a enum type represent a set of strings?
8 Answers
8
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What's the difference between istringstream, ostringstream and stringstream? / Why not use stringstr
...ement but I wouldn't be looking at that first.
There's nothing wrong with what you've written. If you find it doesn't perform well enough, then you could profile other approaches, otherwise stick with what's clearest. Personally, I'd just go for:
std::string stHehe( "Hello stackoverflow.com!" );
...
What does the exclamation mark do before the function?
...) which has higher precedence than ! and instantly calls the function.
So what the author is doing is saving a byte per function expression; a more readable way of writing it would be this:
(function(){})();
Lastly, ! makes the expression return true. This is because by default all IIFE return u...
What are the differences between numpy arrays and matrices? Which one should I use?
What are the advantages and disadvantages of each?
5 Answers
5
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Singleton with Arguments in Java
...o more than once. If you are trying to feed parameters to the constructor, what is the point of the singleton?
You have two options. If you want your singleton to be initialized with some data, you may load it with data after instantiation, like so:
SingletonObj singleton = SingletonObj.getInstanc...