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Why do we need a pure virtual destructor in C++?
... will not be abstract. Therefore having the pure virtual destructor in the base class will not make any difference for the derived classes. It will only make the base class abstract (thanks for @kappa's comment).
One may also assume that every deriving class would probably need to have specific cle...
How to make a countdown timer in Android?
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What if I wanted to base the CountDownTimer on a set alarm? How do I know how many milisUntilFinished?
– Kala J
Nov 7 '14 at 12:54
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How to solve “The specified service has been marked for deletion” error
... solved this problem for me! My process was the following: In the VS2012 x64 Native Tools Command Prompt --> Navigate to directory with service exectuable --> installutil /u servicename.exe (to uninstall the obsolete service) --> copy over new built service exe --> installutil s...
What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
... oldSong;
}
More on dictionary subscripting
@implementation Database {
NSMutableDictionary *_storage;
}
- (id)replaceObject:(id)newObject forKey:(id <NSCopying>)key {
id oldObject = [_storage objectForKey:key];
[_storage setObject:object forKey:key];
return oldObjec...
NUnit Test Run Order
...e can run the tests which use mocking ahead of the tests which use the database.
i.e. put this at the start of your quick tests
[Category("QuickTests")]
Where you have tests which are dependant on certain environmental conditions, consider the TestFixtureSetUp and TestFixtureTearDown attributes,...
How to leave/exit/deactivate a Python virtualenv
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Brandon RhodesBrandon Rhodes
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How to specify in crontab by what user to run script? [closed]
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MikeMike
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C++ map access discards qualifiers (const)
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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When should I use ugettext_lazy?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Rails: confused about syntax for passing locals to partials
...er to learn about this, I went directly to the code itself (actionpack/lib/base.rb, render() method in Rails 2; Rails 3 is different). It's a good exercise.
Furthermore, don't worry about "bothering" people on SO. That's why this site exists. I even learned something from this.
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