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How do I get hour and minutes from NSDate?

...ateComponents: Obj-C: NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"<your date format goes here"]; NSDate *date = [dateFormatter dateFromString:string1]; NSCalendar *calendar = [NSCalendar currentCalendar]; NSDateComponents *components = [calend...
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How to change the URI (URL) for a remote Git repository?

... for your new origin location with: git branch -u origin/master. This will allow you to just git push instead of having to git push origin master every time. – kelorek Aug 13 '13 at 18:06 ...
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Fast permutation -> number -> permutation mapping algorithms

... In general, the k'th digit will have base b[k] = k + 2. The highest value allowed for digit k is h[k] = b[k] - 1 = k + 1. Our rule about the weights w[k] of digits requires that the sum of h[i] * w[i], where i goes from i = 0 to i = k, is equal to 1 * w[k+1]. Stated recurrently, w[k+1] = w[k] + h[...
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Quick-and-dirty way to ensure only one instance of a shell script is running at a time

... signal but just checks if a process with the given PID exists. Also the call to trap will ensure that the lockfile is removed even when your process is killed (except kill -9). share | improve thi...
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Is it possible to serialize and deserialize a class in C++?

...e it, here. The only native way to do it is to use streams. That's essentially all the Boost::serialization library does, it extends the stream method by setting up a framework to write objects to a text-like format and read them from the same format. For built-in types, or your own types with op...
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Why is '+' not understood by Python sets?

...t int/long) define this operation across a sequence of boolean values and call it "bitwise or". In fact this operation is so similar to the set union that binary integers are sometimes also called "Bit sets", where the elements in the set are taken to be the natural numbers. Because int already de...
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LINQ Using Max() to select a single row

...Queryable returned from NHibernate and I need to select the row with the maximum value(s) in a couple of fields. 6 Answers...
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Why should I prefer single 'await Task.WhenAll' over multiple awaits?

...n case I do not care about the order of task completion and just need them all to complete, should I still use await Task.WhenAll instead of multiple await ? e.g, is DoWork2 below a preferred method to DoWork1 (and why?): ...
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Is there a built-in method to compare collections?

... answered Jan 11 '11 at 8:43 Allon GuralnekAllon Guralnek 14.8k55 gold badges5151 silver badges9090 bronze badges ...
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How to add line break for UILabel?

... Use \n as you are using in your string. Set numberOfLines to 0 to allow for any number of lines. label.numberOfLines = 0; Update the label frame to match the size of the text using sizeWithFont:. If you don't do this your text will be vertically centered or cut off. UILabel *label; // s...