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What is “rvalue reference for *this”?
..." of the function†:
// t.cpp
#include <iostream>
struct test{
void f() &{ std::cout << "lvalue object\n"; }
void f() &&{ std::cout << "rvalue object\n"; }
};
int main(){
test t;
t.f(); // lvalue
test().f(); // rvalue
}
Output:
$ clang++ -std=c++0x -stdlib...
Is it possible to use Java 8 for Android development?
Searching the web, it is not clear if Java 8 is supported for Android development or not.
26 Answers
...
When is the thread pool used?
...ong ago, and it was tough to come to a well defined answer because on one side you have C/C++ devs for whom the answer is obvious, and on the other you have typical web devs who haven't delved too deeply into these sorts of questions before. I'm not even sure my answer is 100% technically correct w...
What do linkers do?
...name, "overlays"). Linux has shared libraries, which is basically the same idea as DLLs (hard core Linux guys I know would tell me there are MANY BIG differences).
Hope this helps you understand!
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What is the correct way of using C++11's range-based for?
...container
vs. modifying them in place.
Observing the elements
Let's consider a simple example:
vector<int> v = {1, 3, 5, 7, 9};
for (auto x : v)
cout << x << ' ';
The above code prints the elements (ints) in the vector:
1 3 5 7 9
Now consider another case, in which ...
What is the best way to compute trending topics or tags?
...t is abnormally falling. So once you calculate the z-score for all the candidate trends the highest 10 z-scores will relate to the most abnormally increasing z-scores.
Please see Wikipedia for more information, about z-scores.
Code
from math import sqrt
def zscore(obs, pop):
# Size of popula...
How to create a video from images with FFmpeg?
This line worked fine but I want to create a video file from images in another folder.
Image names in my folder are:
4 Answ...
What does Expression.Quote() do that Expression.Constant() can’t already do?
... different things is extremely confusing and bug prone.
Long answer:
Consider the following:
(int s)=>(int t)=>s+t
The outer lambda is a factory for adders that are bound to the outer lambda's parameter.
Now, suppose we wish to represent this as an expression tree that will later be com...
What C++ Smart Pointer Implementations are available?
...erhaps one of the originals it suffered from first draft syndrome only providing limited garbage collection facilities. The first downside being that it calls delete upon destruction making them unacceptable for holding array allocated objects (new[]). It takes ownership of the pointer so two auto p...
Mismatch Detected for 'RuntimeLibrary'
...:\cryptopp. I used Visual Studio Express 2012 to build all the projects inside (as instructed in readme), and everything was built successfully. Then I made a test project in some other folder and added cryptolib as a dependency. After that, I added the include path so I can easily include all the h...