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What is the apply function in Scala?
...t works the other way too - every object can be treated as a function, provided it has the apply method. Such objects can be used in the function notation:
// we will be able to use this object as a function, as well as an object
object Foo {
var y = 5
def apply (x: Int) = x + y
}
Foo (1) // ...
How much overhead does SSL impose?
...ting a single byte at a time, which is the worst case. Never seen 250x. I did an extensive experiment over the Internet with 1700 data points where the general result was that plaintext sockets were no better than three times as fast as SSL, using programming no more sophisticated than buffering and...
What is a bank conflict? (Doing Cuda/OpenCL programming)
I have been reading the programming guide for CUDA and OpenCL, and I cannot figure out what a bank conflict is. They just sort of dive into how to solve the problem without elaborating on the subject itself. Can anybody help me understand it? I have no preference if the help is in the context of CUD...
JavaScript DOM remove element
...d(child);
In your example, you should be doing something like:
if (frameid) {
frameid.parentNode.removeChild(frameid);
}
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CALayer with transparent hole in it
I have a simple view (left side of the picture) and i need to create some kind of overlay (right side of the picture) to this view. This overlay should have some opacity, so the view bellow it is still partly visible.
Most importantly this overlay should have a circular hole in the middle of it so i...
When to use the JavaScript MIME type application/javascript instead of text/javascript?
...ecutable. It's because there are custom charset-determination mechanisms laid down by the language/type itself, rather than just the generic charset parameter. A subtype of text should be capable of being transcoded by a proxy to another charset, changing the charset parameter. This is not true of J...
What is the difference between packaged_task and async
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@Mikhail This answer precedes both C++14 and C++17, so I didn't have the standards but only proposals at hand. I'll remove the paragraph.
– Zeta
May 21 '18 at 10:15
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What is the difference between include and extend in Ruby?
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What you have said is correct. However there is more to it than that.
If you have a class Klazz and module Mod, including Mod in Klazz gives instances of Klazz access to Mod's methods. Or you can extend Klazz with Mod giving the class Klazz...
What is the difference between _tmain() and main() in C++?
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i wonder whether they provide a tcout too? so that one could just do tcout << argv[n]; and it resolves to cout in Ansi and wcout in Unicode mode? I suspect that could be useful for him in this situation. and +1 of course, nice answer :)
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Why does this Java program terminate despite that apparently it shouldn't (and didn't)?
...le. To achieve immutability, you simply need to mark x and y final.
As a side note and as already mentioned, synchronized(this) {} can be treated as a no-op by the JVM (I understand you included it to reproduce the behaviour).
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