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ViewPager with previous and next page boundaries

... 100 +50 Quoting ...
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Difference between pre-increment and post-increment in a loop?

..., returns the new value. C#: string[] items = {"a","b","c","d"}; int i = 0; foreach (string item in items) { Console.WriteLine(++i); } Console.WriteLine(""); i = 0; foreach (string item in items) { Console.WriteLine(i++); } Output: 1 2 3 4 0 1 2 3 foreach and while loops depend on w...
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Java Round up Any Number

... correct function to call. I'm guessing a is an int, which would make a / 100 perform integer arithmetic. Try Math.ceil(a / 100.0) instead. int a = 142; System.out.println(a / 100); System.out.println(Math.ceil(a / 100)); System.out.println(a / 100.0); System.out.println(Math.ceil(a / 100.0)); Syst...
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What is the zero for string?

...="" { To pass a zero string in stringID, use k := NewKey(c, "kind", "", 0, p) From the specification : When memory is allocated to store a value, either through a declaration or a call of make or new, and no explicit initialization is provided, the memory is given a default initializati...
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RootViewController Switch Transition Animation

... block: [UIView transitionWithView:self.window duration:0.5 options:UIViewAnimationOptionTransitionFlipFromLeft animations:^{ self.window.rootViewController = newViewController; } completion:nil]; ...
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Run Cron job every N minutes plus offset

*/20 * * * * 3 Answers 3 ...
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Rails mapping array of hashes onto single hash

...g a method call between each element of it. For example [1, 2, 3].reduce(0, :+) is like saying 0 + 1 + 2 + 3 and gives 6. In our case we do something similar, but with the merge function, which merges two hashes. [{:a => 1}, {:b => 2}, {:c => 3}].reduce({}, :merge) is {}.merge({:a =&g...
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.net implementation of bcrypt

... answered May 16 '09 at 22:02 ineine 13.5k88 gold badges5050 silver badges7878 bronze badges ...
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How to write a Ruby switch statement (case…when) with regex and backreferences?

... groups are always stored in pseudo variables $1 to $9: case foo when /^([0-9][0-9])/ print "the month is #{$1}" else print "something else" end You can also use the $LAST_MATCH_INFO pseudo variable to get at the whole MatchData object. This can be useful when using named captures: case ...
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GLib compile error (ffi.h), but libffi is installed

... 270 If you have a Debian-based Linux OS with apt-get: sudo apt-get install libffi-dev With a Redh...