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How much is the overhead of smart pointers compared to normal pointers in C++?
How much is the overhead of smart pointers compared to normal pointers in C++11? In other words, is my code going to be slower if I use smart pointers, and if so, how much slower?
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Is a statically-typed full Lisp variant possible?
...ull Lisp variant possible? Does it even make sense for something like this to exist? I believe one of a Lisp language's virtues is the simplicity of its definition. Would static typing compromise this core principle?
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iOS 7 style Blur view
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You might be able to modify something like Bin Zhang's RWBlurPopover to do this. That component uses my GPUImage to apply a Gaussian blur to components underneath it, but you could just as easily use a CIGaussianBlur for the same. GPUImage mig...
How does TestFlight do it?
...ce 4.0 devices have supported install from web.
Remember - you still need to sign the beta distribution for a select set of UDIDs you can't just willy nilly install it on any device. All they are doing is taking the email the IPA step out of things.
See:
http://www.alexcurylo.com/blog/2010/08/27...
No Swipe Back when hiding Navigation Bar in UINavigationController
...ing your views in a UINavigationController . Unfortunately i cannot seem to find a way to hide the NavigationBar but still have the touch pan swipe back gesture . I can write custom gestures but I prefer not to and to rely on the UINavigationController back swipe gesture instead.
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How to find what code is run by a button or element in Chrome using Developer Tools
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Alexander Pavlov's answer gets the closest to what you want.
Due to the extensiveness of jQuery's abstraction and functionality, a lot of hoops have to be jumped in order to get to the meat of the event. I have set up this jsFiddle to demonstrate the work.
1. Sett...
Difference between binary semaphore and mutex
...erent.
Mutual Exclusion Semaphores
Mutual Exclusion semaphores are used to protect shared resources (data structure, file, etc..).
A Mutex semaphore is "owned" by the task that takes it. If Task B attempts to semGive a mutex currently held by Task A, Task B's call will return an error and fail...
Why does Windows64 use a different calling convention from all other OSes on x86-64?
AMD has an ABI specification that describes the calling convention to use on x86-64. All OSes follow it, except for Windows which has it's own x86-64 calling convention. Why?
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When is std::weak_ptr useful?
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A good example would be a cache.
For recently accessed objects, you want to keep them in memory, so you hold a strong pointer to them. Periodically, you scan the cache and decide which objects have not been accessed recently. You don't need to keep those in memory, so you get rid of the strong poi...
Difference between ApiController and Controller in ASP.NET MVC
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Use Controller to render your normal views. ApiController action only return data that is serialized and sent to the client.
here is the link
Quote:
Note If you have worked with ASP.NET MVC, then you are already familiar with control...