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How to create custom easing function with Core Animation?

...tion curves in Core Animation But I think it can be made a little simpler and more readable by using blocks. So we can define a category on CAKeyframeAnimation that looks something like this: CAKeyframeAnimation+Parametric.h: // this should be a function that takes a time value between // 0.0 a...
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Using smart pointers for class members

I'm having trouble understanding the usage of smart pointers as class members in C++11. I have read a lot about smart pointers and I think I do understand how unique_ptr and shared_ptr / weak_ptr work in general. What I don't understand is the real usage. It seems like everybody recommends using...
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Why is address zero used for the null pointer?

...ll pointer in C source while represented differently at runtime. The C++ standard has a note that makes clear that converting "an integral constant expression with value zero always yields a null pointer, but converting other expressions that happen to have value zero need not yield a null pointer"....
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What is an application binary interface (ABI)?

...an ABI is. Please don't point me to a Wikipedia article. If I could understand it, I wouldn't be here posting such a lengthy post. ...
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Soft hyphen in HTML ( vs. ­)

... @gclj5 I just tested find on a ­ word in Chrome v21, and it correctly ignores the soft hyphen. Not sure about IE, FF and other browsers though. – evanrmurphy Oct 23 '12 at 21:01 ...
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How to test code dependent on environment variables using JUnit?

I have a piece of Java code which uses an environment variable and the behaviour of the code depends on the value of this variable. I would like to test this code with different values of the environment variable. How can I do this in JUnit? ...
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Array or List in Java. Which is faster?

I have to keep thousands of strings in memory to be accessed serially in Java. Should I store them in an array or should I use some kind of List ? ...
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In C++, is it still bad practice to return a vector from a function?

...d Jun 28 '10 at 17:55 Peter AlexanderPeter Alexander 49.1k1010 gold badges111111 silver badges161161 bronze badges ...
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When to throw an exception?

...e 1: say I have a function which is supposed to examine an arbitrary class and return true if that class inherits from List<>. This function asks the question, "Is this object a descendant of List?" This function should never throw an exception, because there are no gray areas in its operation...
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How do I prevent 'git diff' from using a pager?

Is there a command line switch to pass to git diff and other commands that use the less pager by default? 17 Answers ...