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Multithreading: What is the point of more threads than cores?
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The answer revolves around the purpose of threads, which is parallelism: to run several separate lines of execution at once. In an 'ideal' system, you would have one thread executing per core: no interruption. In reality this isn't the case. Even if you have four cores and four workin...
Naming threads and thread-pools of ExecutorService
...ified, a Executors.defaultThreadFactory() is used, that creates threads to all be in the same ThreadGroup and with the same NORM_PRIORITY priority and non-daemon status. By supplying a different ThreadFactory, you can alter the thread's name, thread group, priority, daemon status, etc. If a ThreadFa...
How to convert a String into an ArrayList?
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Hehe, yeah, +1 :-) It may actually even just be the split his after :P
– aioobe
Sep 8 '11 at 13:47
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Which one will execute faster, if (flag==0) or if (0==flag)?
...n :)
The answer is:
What is flag's type?
In the case where flag actually is a user-defined type. Then it depends on which overload of operator== is selected. Of course it can seem stupid that they would not be symmetric, but it's certainly allowed, and I have seen other abuses already.
If fl...
How to create custom easing function with Core Animation?
... function easier using two new timing objects.
1) UICubicTimingParameters allows to define cubic Bézier curve as an easing function.
let cubicTimingParameters = UICubicTimingParameters(controlPoint1: CGPoint(x: 0.25, y: 0.1), controlPoint2: CGPoint(x: 0.25, y: 1))
let animator = UIViewPropertyAni...
How to keep onItemSelected from firing off on a newly instantiated Spinner?
...ore setting up the listener.
That being said, a simple boolean flag would allow you to detect the rogue first selection event and ignore it.
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Uninstalling Android ADT
...is seems like a trivial task, but I can't find an option to cleanly de-install the ADT from my Eclipse installation.
Of course, I could just delete the folder of the SDK, but this just throws errors when starting up Eclipse the next time. The reason I'm asking is because my old ADT keeps throwing a ...
Reading and writing binary file
... std::ifstream input( "C:\\Final.gif", std::ios::binary );
// copies all data into buffer
std::vector<unsigned char> buffer(std::istreambuf_iterator<char>(input), {});
}
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Foreign key constraint may cause cycles or multiple cascade paths?
...f cascade paths and, rather than trying to work out whether any cycles actually exist, it assumes the worst and refuses to create the referential actions (CASCADE): you can and should still create the constraints without the referential actions. If you can't alter your design (or doing so would comp...
Why is i++ not atomic?
... the argument that i++ should have been designed and documented as specifically performing an atomic increment, so that a non-atomic increment is performed using i = i + 1. However, this would break the "cultural compatibility" between Java, and C and C++. As well, it would take away a convenient n...