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iOS start Background Thread
... [self getResultSetFromDB:docids];
});
GCD is a newer technology, and is more efficient in terms of memory overhead and lines of code.
Updated with a hat tip to Chris Nolet, who suggested a change that makes the above code simpler and keeps up with Apple's latest GCD code examples.
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How do I resolve “HTTP Error 500.19 - Internal Server Error” on IIS7.0 [closed]
... to it. While you're at it, check the event log and see if IIS logged any more detailed diagnostic information there.
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What is a reasonable code coverage % for unit tests (and why)? [closed]
...master laughed so hard and
loud that his belly, evidence that he
drank more than just green tea,
flopped up and down.
“The third programmer wants only simple answers – even when there are
no simple answers … and then does not
follow them anyway.”
The young apprentice and ...
How can one display images side by side in a GitHub README.md?
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This solution is better if you want to put more images on the same line on github. I managed to put 4 on the same line with this solution but only 3 with wigging's solution.
– vinzee
Aug 4 '17 at 17:21
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std::function and std::bind: what are they, and when should they be used?
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You can use std::bind to get g:
auto g = bind(f, _1, 4, _2);
This is more concise than actually writing a functor class to do it.
There are further examples in the article you link to. You generally use it when you need to pass a functor to some algorithm. You have a function or functor that ...
Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
...r sign and parentheses, is a newer POSIX form, which means it's probably a more standard way of doing it. In turn, I'd think that that means it's more likely to work correctly with different shells and with different *nix implementations.
Another reason given for preferring the first (POSIX) form i...
How do I call some blocking method with a timeout in Java?
...onds or any unit available as a constant in TimeUnit.
See the JavaDoc for more detail.
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What is the Python equivalent of static variables inside a function?
... as there's no way the decorator will not be called and it is semantically more obvious what it does (@static_var("counter", 0) is easier on & makes more sense to my eyes than if "counter" not in foo.__dict__: foo.counter = 0, especially as in the latter you have to use the function name (twice)...
How to define a two-dimensional array?
... initialisation to some value is almost always what you want - and this is more often than not 0. range yields an iterable collection - xrange returns a generator. My point was that ademar "corrected" something that was actually more generally correct and efficient than his correction.
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