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What do the following phrases mean in C++: zero-, default- and value-initialization?
...fication). See Kirill V. Lyadvinsky's answer for the definitions straight from the standard.
See this previous answer about the behavior of operator new for details on the the different behavior of these type of initialization and when they kick in (and when they differ from c++98 to C++03):
Do ...
Does Spring @Transactional attribute work on a private method?
...the proxy. -- This is normally the case if the annotated method is invoked from another bean.
This has two implications:
Because private methods must not be invoked from another bean (the exception is reflection), their @Transactional Annotation is not taken into account.
If the method is public, b...
How do I remove duplicates from a C# array?
I have been working with a string[] array in C# that gets returned from a function call. I could possibly cast to a Generic collection, but I was wondering if there was a better way to do it, possibly by using a temp array.
...
Array vs. Object efficiency in JavaScript
... But I want to know what is performing better: retrieving an object from an array (by looping through it) or from an "associative" object where the id is the key. I'm sorry if my question wasn't clear...
– Moshe Shaham
Jun 25 '13 at 10:57
...
Why am I getting a “401 Unauthorized” error in Maven?
...on already exists in the repository. So you might find that by publishing from the command line it works, but then when you do it from a script it fails (because it didn't exist in the repository the first time around). Either publish using a different version number, or delete the old artefact on...
What is the proper declaration of main?
...? What is the correct return type, and what does it mean to return a value from main ? What are the allowed parameter types, and what are their meanings?
...
Maximum single-sell profit
...tly n + (n - 1) + (n - 2) + ... + 1 = n(n + 1)/2 different pairs to pick
# from, so this algorithm will grow quadratically in the worst-case. However,
# it uses only O(1) memory, which is a somewhat attractive feature. Plus, if
# our first intuition for the problem gives a quadratic solution, we c...
Devise form within a different controller
...re specified by Devise and so aren't present when you access a Devise form from a non-Devise controller.
To get around this, you need to add the following methods to the helper class of the controller you wish to display the form under. Alternatively, you can just add them to your application helpe...
Correct way to load a Nib for a UIView subclass
... nil;
NSArray* elements = [[NSBundle mainBundle] loadNibNamed: NSStringFromClass([self class]) owner:self options: nil];
for (id anObject in elements)
{
if ([anObject isKindOfClass:[self class]])
{
result = anObject;
break;
}
}
retu...
Array_merge versus + [duplicate]
...d to the left-hand array; for keys that exist in both arrays, the elements from the left-hand array will be used, and the matching elements from the right-hand array will be ignored.
http://php.net/manual/en/language.operators.array.php
array_merge() has slightly different behavior:
If the in...