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Does Java have something like C#'s ref and out keywords?
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104
No, Java doesn't have something like C#'s ref and out keywords for passing by reference.
You ...
How do I use a file grep comparison inside a bash if/else statement?
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edited Mar 19 '10 at 21:17
answered Mar 19 '10 at 21:10
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How do I enter RGB values into Interface Builder?
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edited Jul 10 '17 at 21:59
answered Apr 2 '10 at 4:41
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SQLite select where empty?
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answered Sep 1 '10 at 18:06
GuffaGuffa
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Can a pointer to base point to an array of derived objects?
...dexing work correctly.
int main()
{
Rectangle * shapes = new Rectangle[10];
for (int i = 0; i < 10; ++i) shapes[i].draw();
}
If you want to have different kinds of Shapes in the array and use them polymorphically you need an array of pointers to Shape.
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Need to understand the usage of SemaphoreSlim
...un 50 thread at a time then code like SemaphoreSlim ss = new SemaphoreSlim(10); will force to run 10 active thread at time
That is correct; the use of the semaphore ensures that there won't be more than 10 workers doing this work at the same time.
Calling WaitAsync on the semaphore produces a tas...
Change Placeholder Text using jQuery
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Neshat KhanNeshat Khan
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How to set enum to null
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answered Dec 2 '10 at 16:23
Rodney S. FoleyRodney S. Foley
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How to do a join in linq to sql with method syntax?
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answered Jul 10 '10 at 3:20
Justin NiessnerJustin Niessner
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Javascript: How to check if a string is empty? [duplicate]
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answered Mar 4 '10 at 17:46
Dustin LaineDustin Laine
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