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When should I use std::thread::detach?
...n is suspended and their thread-local objects destructed.
Crucially, this means that the stack of those threads is not unwound and thus some destructors are not executed. Depending on the actions those destructors were supposed to undertake, this might be as bad a situation as if the program had cr...
Best way to remove from NSMutableArray while iterating?
...my itemsToKeep is 10, but I actually store only 6 objects in it. Does this mean I am wasting space of 4 objects? P.S. am not finding faults, just trying to understand the algo complexity. :)
– tech_human
Jan 7 '14 at 20:30
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What does a \ (backslash) do in PHP (5.3+)?
...ng, Animal, Dog, Shepherd don't have to be classes, but simply namespaces. Meaning something used to group names together to avoid naming collisions.
$myDog = new \Animal\Dog\Shepherd\GermanShepherd();
The leading \ means Animal was declared in the global scope.
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How to avoid the “divide by zero” error in SQL?
...ullIf(Value,0)FROM(VALUES(0),(5.0),(NULL))x(Value); Unless by "breaks" you mean returns a NULL? You can convert that to whatever you want with IsNull or Coalesce.
– ErikE
Jan 26 '17 at 16:54
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How can I return to a parent activity correctly?
...d launchMode in the Android manifest. According to the documentation, that means the following:
The system always creates a new instance of the activity in the target
task and routes the intent to it.
Therefore, the system is forced to recreate activity A (i.e. calling onCreate) even if the ...
GitHub: What is a “wip” branch?
...ories I quite often saw "wip" branches (e.g. 3.1.0-wip ). What does "wip" mean?
3 Answers
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Is the order of iterating through std::map known (and guaranteed by the standard)?
What I mean is - we know that the std::map 's elements are sorted according to the keys. So, let's say the keys are integers. If I iterate from std::map::begin() to std::map::end() using a for , does the standard guarantee that I'll iterate consequently through the elements with keys, sorted i...
What's the difference between “declare class” and “interface” in TypeScript
...n interface type. However, interfaces can have construct signatures, which means you could invoke the new operator on a value of the interface type. This is very different than how class works, where the construct signature is on the type name itself rather than on an expression of that type.
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Convert from List into IEnumerable format
...s the IEnumerable<T> interface so it is already an enumerable.
This means that it is perfectly fine to have the following:
public IEnumerable<Book> GetBooks()
{
List<Book> books = FetchEmFromSomewhere();
return books;
}
as well as:
public void ProcessBooks(IEnumera...
In AngularJS, what's the difference between ng-pristine and ng-dirty?
...ur own solution (some pretty good ones can be found here). Basically, this means iterating over all form fields and setting their $dirty flag to false.
Hope this helps.
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