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C++, copy set to vector
...This doesn't deserve -1. In particular, this allows vector to only do one allocation (since it can't determine the distance of set iterators in O(1)), and, if it wasn't defined for vector to zero out each element when constructed, this could be worthwhile to allow the copy to boil down to a memcpy...
How to fix: “HAX is not working and emulator runs in emulation mode”
...
thank you @ph0b, thats it, HAXM was installed with 1024 allocation for memory and my avd instance had memory allocation set to 1907. thank you for pointing this out.
– GnrlBzik
Jan 11 '14 at 4:20
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Programmatically get height of navigation bar
...getWidth = targetHeight * logoRatio;
UIImageView*logoView = [[UIImageView alloc] initWithImage:image];
// X or Y position can not be manipulated because autolayout handles positions.
//[logoView setFrame:CGRectMake((self.navigationController.navigationBar.frame.size.width - targetWidth) / 2 , (self...
How do I make UITableViewCell's ImageView a fixed size even when the image is smaller
...CellIdentifier];
if (cell == nil) {
cell = [[[SizableImageCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease];
cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
}
cell.textLabel.text = ...
cell.detailTex...
Why are side-effects modeled as monads in Haskell?
... way, but RealWorld doesn't actually represent the real world, it's just a token to keep the operations in order (the "magic" is that RealWorld is GHC Haskell's only uniqueness type)
– Jeremy List
Oct 30 '15 at 7:15
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List comprehension in Ruby
...ators and co routines to do all calculations in a streaming manner without allocating storage at all (except temp variables) until (iff) the results land in an array variable - this is the purpose of the square brackets in the python example, to collapse the comprehension to a set of results. Ruby h...
pythonic way to do something N times without an index variable?
... you don't intend to use. In python these identifiers don't takes memor or allocate space like variables do in other languages. It's easy to forget that. They're just names that point to objects, in this case an integer on each iteration.
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Why is a C++ Vector called a Vector?
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But array will also don't use heap allocation which makes moving it less efficiently. We also have std::valarray, btw.
– sellibitze
Sep 25 '09 at 15:13
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How to establish a connection pool in JDBC?
...re using same object's to perform any action on Object-Data] & memory [allocating and de-allocating many objects creates a significant memory management overhead].
Object clean-up is not required as we are using same Object, reducing the Garbage collection load.
« Pooling [ Object pool, Strin...
Difference between null and empty (“”) Java String
... String("");
System.out.println(a==b);
That would output false because I allocated two different objects, and a and b point to different objects.
However, a.equals(b) in this case would return true, because equals for Strings will return true if and only if the argument String is not null and rep...