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What is the purpose of the “final” keyword in C++11 for functions?
...hat is the purpose of the final keyword in C++11 for functions? I understand it prevents function overriding by derived classes, but if this is the case, then isn't it enough to declare as non-virtual your final functions? Is there another thing I'm missing here?
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Can I use non existing CSS classes?
...our case the "target" class does in fact exist on those specific elements, and your markup is perfectly valid as it is.
This doesn't necessarily mean that you need to have a class declared in the HTML before you can use it in CSS either. See ruakh's comment. Whether or not a selector is valid depen...
“The file ”MyApp.app“ couldn't be opened because you don't have permission to view it” when running
... been changing other similar fields in my <appname>-Info.plist file, and once I'd changed Executable File back to ${EXECUTABLE_NAME} as you suggested, it built and ran.
– Slowburner
Nov 6 '14 at 3:50
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make arrayList.toArray() return more specific types
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What if we have ArrayList<Animal> and it contains Dog and Cat types that extend Animal? Seems like it would fail if the first element is Dog and the next is Cat. It sees the first element, creates an array of type Dog, adds the dog then tries to add the cat a...
Why can I pass 1 as a short, but not the int variable i?
Why does the first and second Write work but not the last? Is there a way I can allow all 3 of them and detect if it was 1, (int)1 or i passed in? And really why is one allowed but the last? The second being allowed but not the last really blows my mind.
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Using JQuery to check if no radio button in a group has been checked
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@ScottE - excellent point - I'll remove this answer if Roland unaccepts it.
– Dominic Rodger
Jan 15 '10 at 14:48
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str performance in python
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'%s' % 100000 is evaluated by the compiler and is equivalent to a constant at run-time.
>>> import dis
>>> dis.dis(lambda: str(100000))
8 0 LOAD_GLOBAL 0 (str)
3 LOAD_CONST 1 (100000)
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Why does the use of 'new' cause memory leaks?
I learned C# first, and now I'm starting with C++. As I understand, operator new in C++ is not similar to the one in C#.
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C# Lambda expressions: Why should I use them?
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Lambda expressions are a simpler syntax for anonymous delegates and can be used everywhere an anonymous delegate can be used. However, the opposite is not true; lambda expressions can be converted to expression trees which allows for a lot of the magic like LINQ to SQL.
The following ...
How to remove specific element from an array using python
...m exists in the initial_list? There could be a case where it doesn't exist and you wont' have to remove it.
– locoboy
Aug 19 '11 at 18:55
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