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How to perform Callbacks in Objective-C

... Jon HessJon Hess 14k11 gold badge4343 silver badges5151 bronze badges ...
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Best way to find the intersection of multiple sets?

... want here, but in case you ever need a generalisation of "take the sum of all these", "take the product of all these", "take the xor of all these", what you are looking for is the reduce function: from operator import and_ from functools import reduce print(reduce(and_, [{1,2,3},{2,3,4},{3,4,5}]))...
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Is there anything like inotify on Windows?

...365261(VS.85).aspx On OSX, the relevant api is the fsevents api. They're all subtly different from one another, and they all have questionable reliability in edge cases. In general, you can't depend on these apis for a complete view of all changes 100% of the time. Most people using file system mo...
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How to convert all tables from MyISAM into InnoDB?

I know I can issue an alter table individually to change the table storage from MyISAM to InnoDB. 26 Answers ...
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Ignoring an already checked-in directory's contents?

...d only to hold graphics and sound files used in several projects. They are all in one directory without sub-directories. Now I just created a script to copy these assets over from another, structured directory, with several levels of sub-directories. ...
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No internet on Android emulator - why and how to fix? [closed]

... answered Feb 5 '10 at 11:35 cchenesonccheneson 45.3k88 gold badges5757 silver badges6767 bronze badges ...
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jekyll markdown internal links

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Why can't code inside unit tests find bundle resources?

... main bundle. I have the following a problem. I am loading a png file. Normally this file is not in the main bundle due the user downloads it from a server. But for a test I want to use a file from the test bundle without copying it into the main bundle. – Chris ...
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Stopwatch vs. using System.DateTime.Now for timing events [duplicate]

...time by counting timer ticks in the underlying timer mechanism. If the installed hardware and operating system support a high-resolution performance counter, then the Stopwatch class uses that counter to measure elapsed time. Otherwise, the Stopwatch class uses the system timer to measure elapsed ti...
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Detecting a redirect in ajax request?

... Community♦ 111 silver badge answered Feb 7 '12 at 13:42 Nick GarveyNick Garvey 2,7502121 ...