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What are the differences between Deferred, Promise and Future in JavaScript?
...the differences between Deferreds, Promises and Futures?
Is there a generally approved theory behind all these three?
5 A...
Can't update Macports (with Mac OS X Mavericks)
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Install the "Command Line Tools" first:
sudo xcode-select --install
(Explicitly agreeing to the license is sometimes necessary via "sudo xcodebuild -license")
Then upgrade the ports:
sudo port -v selfupdate
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How do I convert from int to String?
I'm working on a project where all conversions from int to String are done like this:
20 Answers
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Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
...ct the variable references with a whole new object. You can check this by calling i.object_id before and after i+=1. Why would that be any more technically tricky to do with ++?
– Andy_Vulhop
Sep 7 '10 at 17:09
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How to prevent gcc optimizing some statements in C?
...eeds. This has the advantage of just applying to a single function and not all functions defined in the same file.
Usage example:
void __attribute__((optimize("O0"))) foo(unsigned char data) {
// unmodifiable compiler code
}
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Android screen size HDPI, LDPI, MDPI [duplicate]
I have a background that I need fit in all screen sizes. I have three folders, hdpi , ldpi and mdpi for drawables, but in the emulator there isn't any referense to what resolution hdpi is and what mdpi and ldpi are.
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How to check if one of the following items is in a list?
...ts only contain one of each item). If `L1 = [1,1,2,3]' and 'L2 = [1,2,3]', all items will be seen to intersect.
– ron_g
Sep 21 '18 at 8:48
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UIBarButtonItem with custom image and no border
...ation code here
}
@end
So anywhere in your code you can create bar item calling this method (provided that you include a header with its declaration).
P.S. You do not need to use 'v' UIView as you can create UIBarButtonItem with a button as custom view directly.
P.P.S. You also need [forward rel...
Best way to make Java's modulus behave like it should with negative numbers?
... b) would become larger than b. Therefore, (a % b + b) % b turns it into smaller than b again (and doesn't affect negative a values).
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Expert R users, what's in your .Rprofile? [closed]
... Yes, the local({ ... }) as shown in help(Startup) is what I usually do these days in Rprofile.site. Haven't needed the X11 hack in a while :)
– Dirk Eddelbuettel
Aug 27 '15 at 11:02
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