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Optimizing away a “while(1);” in C++0x
...hm provides a rationale for this in N1528: Why undefined behavior for infinite loops?, although this is WG14 document the rationale applies to C++ as well and the document refers to both WG14 and WG21:
As N1509 correctly points out, the current draft essentially gives
undefined behavior to inf...
What does O(log n) mean exactly?
...ar time, meaning that the size of the input affects the growth of the algorithm proportionally...and the same goes for, for example, quadratic time O(n2) etc..even algorithms, such as permutation generators, with O(n!) times, that grow by factorials.
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How to determine the content size of a UIWebView?
I have a UIWebView with different (single page) content. I'd like to find out the CGSize of the content to resize my parent views appropriately. The obvious -sizeThatFits: unfortunately just returns the current frame size of the webView.
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How do SO_REUSEADDR and SO_REUSEPORT differ?
...implementation of a specific operating system, which may not even be explicitly mentioned in the text.
2 Answers
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How to initialize std::vector from C-style array?
What is the cheapest way to initialize a std::vector from a C-style array?
6 Answers
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Why is it impossible to override a getter-only property and add a setter? [closed]
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Because the writer of Baseclass has explicitly declared that Bar has to be a read-only property. It doesn't make sense for derivations to break this contract and make it read-write.
I'm with Microsoft on this one.
Let's say I'm a new prog...
What's the best way to do a backwards loop in C/C#/C++?
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While admittedly a bit obscure, I would say that the most typographically pleasing way of doing this is
for (int i = myArray.Length; i --> 0; )
{
//do something
}
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Creating range in JavaScript - strange syntax
...y, really? A regular object, containing integer keys, which map to values. It has other special features, for instance the magical length variable, but at it's core, it's a regular key => value map, just like any other object. Let's play with arrays a little, shall we?
var arr = ['a', 'b', 'c'];...
Is there a CSS parent selector?
...no way to select the parent of an element in CSS.
If there was a way to do it, it would be in either of the current CSS selectors specs:
Selectors Level 3 Spec
CSS 2.1 Selectors Spec
That said, the Selectors Level 4 Working Draft includes a :has() pseudo-class that will provide this capability. It...
What does OSGi solve?
I've read on Wikipedia and other sites about OSGi , but I don't really see the big picture. It says that it's a component-based platform, and that you can reload modules at runtime. Also the "practical example" given everywhere is the Eclipse Plugin Framework.
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