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Is returning by rvalue reference more efficient?
...e following
Beta_ab
Beta::toAB() const {
return Beta_ab(1, 1);
}
Now, it's properly moving a temporary Beta_ab object into the return value of the function. If the compiler can, it will avoid the move altogether, by using RVO (return value optimization). Now, you can do the following
Beta...
apc vs eaccelerator vs xcache
...
Success. It's 3 years old now. Ewwww.
– Swader
Nov 30 '13 at 13:19
3
...
How do I set up NSZombieEnabled in Xcode 4?
...orting.
A typical case is when you over-release an object and you don't know which one:
With zombies: -[UITableView release]: message sent to deallocated instance
Without zombies:
This Xcode setting is ignored when you archive the application for App Store submission. You don't need to to...
What is the most efficient Java Collections library? [closed]
...
Hey, Jon, Google Java Collections is now Guava. You might want to update your post for future references :)
– Artur Czajka
Oct 25 '11 at 18:24
...
Utilizing the GPU with c# [closed]
...d run on OpenCL as well as Cuda it would be perfect.
EDIT SEP 2013
Cudafy now allows you to compile for both CUDA and OpenCL, so will run the same C# code on on all GPUs. This sounds fantastic, though I haven't tested the OpenCL compiling yet.
...
class
... = 'foo' # new object, new singleton class
a.inspect # => "foo"
Now, to answer the question: class << self opens up self's singleton class, so that methods can be redefined for the current self object (which inside a class or module body is the class or module itself). Usually, this...
Constant Amortized Time
... up in a room.
And, you have long hands and legs, as much long as you need now or in future.
And, you have to fill all in one room, so it is easy to lock it.
So, you go right to the end/ corner of the room and start stacking them.
As you stack them, slowly the room will run out of space.
However, a...
How do you make a web application in Clojure? [closed]
...to the huge majority of programmers that work daily with Java. I don't. I know Java-the-language, because I worked on Java projects, but not Java-the-world. I never made a web app from scratch in Java. If I have to do it with Python, Ruby, I know where to go (Django or Rails), but if I want to make ...
Why is WinRT unmanaged? [closed]
...or is it necessary, given that these languages already support COM.
Right now, the best binding for WinRT is C++ since COM works more efficiently with explicit memory management. With ample help from the new C++ compiler extensions that make it automatic, very similar to _com_ptr_t of old with C++...
What differences, if any, between C++03 and C++11 can be detected at run-time?
...) { return false; }
bool isCpp0x() { return isCpp0xImpl(""); }
I don't know how likely you are to have this working on a real implementation though. One that exploits auto
struct x { x(int z = 0):z(z) { } int z; } y(1);
bool isCpp0x() {
auto x(y);
return (y.z == 1);
}
The following is bas...