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Curious null-coalescing operator custom implicit conversion behaviour
...hanks to everyone who contributed to analyzing this issue. It is clearly a compiler bug. It appears to only happen when there is a lifted conversion involving two nullable types on the left-hand side of the coalescing operator.
I have not yet identified where precisely things go wrong, but at some ...
What's the algorithm to calculate aspect ratio?
... solution like 1.77778:1.
If so, what you need to do is find the greatest common divisor (GCD) and divide both values by that. The GCD is the highest number that evenly divides both numbers. So the GCD for 6 and 10 is 2, the GCD for 44 and 99 is 11.
For example, a 1024x768 monitor has a GCD of 256...
What is the main difference between PATCH and PUT request?
... Implementing the proposal is 100 times better than implementing something completely custom that nobody else implement.
– Loïc Faure-Lacroix
Oct 6 '15 at 5:20
...
What is the curiously recurring template pattern (CRTP)?
... Apple a2;
a1.size = 10;
a2.size = 10;
if(a1 == a2) //the compiler won't complain!
{
}
}
This could seem that you would write less if you just wrote operator == for Apple, but imagine that the Equality template would provide not only == but >, >=, <= etc. And you...
How can I reliably get an object's address when operator& is overloaded?
...d of boost::addressof.
Let us first copy the code from Boost, minus the compiler work around bits:
template<class T>
struct addr_impl_ref
{
T & v_;
inline addr_impl_ref( T & v ): v_( v ) {}
inline operator T& () const { return v_; }
private:
addr_impl_ref & operat...
How to find and return a duplicate value in array
...u need an even faster solution, maybe try C instead.
And here is the gist comparing different solutions: https://gist.github.com/naveed-ahmad/8f0b926ffccf5fbd206a1cc58ce9743e
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Why is there a difference in checking null against a value in VB.NET and C#?
...de different assumptions about usage; in this case the semantics of a NULL comparison.
My personal preference is for the VB.NET semantics, which in essence gives NULL the semantics "I don't know yet". Then the comparison of 5 to "I don't know yet". is naturally "I don't know yet"; ie NULL. This has...
what is “strict mode” and how is it used?
... else.
For example, blah = 33; is valid JavaScript. It means you create a completely global variable blah.
But in strict mode its an error because you did not use the keyword "var" to declare the variable.
Most of the time you don't mean to create global variables in the middle of some arbitrary ...
opengl: glFlush() vs. glFinish()
...
Mind that these commands exist since the early days of OpenGL. glFlush ensures that previous OpenGL commands must complete in finite time (OpenGL 2.1 specs, page 245). If you draw directly to the front buffer, this shall ensure that the Open...
Animate change of view controllers without using navigation controller stack, subviews or modal cont
...lass I called TransitionController. You can find it at https://gist.github.com/1394947.
As an aside, I prefer the implementation in a separate class b/c it's easier to reuse. If you don't want that, you could simply implement the same logic directly in your app delegate eliminating the need for the...