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How to increment a NSNumber

... Update: FYI, I personally like BoltClock's and DarkDusts's one-line answers better. They're more concise, and don't require additional variables. In order to increment an NSNumber, you're going to have to get its value, increment that, and store it in a new NSNumbe...
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NSDate beginning of day and end of day

...onents.timeZone = NSTimeZone(name: "GMT") – Tom Bevelander Sep 5 '16 at 0:45 add a comment  |  ...
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Should I learn C before learning C++? [closed]

I visited a university CS department open day today and in the labs tour we sat down to play with a couple of final-year projects from undergraduate students. One was particularly good - a sort of FPS asteroids game. I decided to take a peek in the src directory to find it was done in C++ (most of...
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Java switch statement multiple cases

... @YuryLitvinov do you want to expand why you think it's incorrect? – Bala R May 14 '12 at 13:14 1 ...
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Is it possible to have multiple statements in a python lambda expression?

...s a version of sort that creates a new list, rather than sorting in-place, and can be chained. Note that this is probably what you should be using - it's bad practice for your map to have side effects on the original list. Q. How should I get the second lowest item from each list in a sequence of ...
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C/C++ with GCC: Statically add resource files to executable/library

...stream to make an iostream. std::stringstream is not great for this though and you can of course just use a pointer anywhere you can use an iterator. If you're using this with automake don't forget to set BUILT_SOURCES appropriately. The nice thing about doing it this way is: You get text out, ...
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How to update a value, given a key in a hashmap?

... In fact that is the most robust and scalable enterprise solution. – Lavir the Whiolet Nov 11 '10 at 18:42 12 ...
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Why does string::compare return an int?

...eturn an int instead of a smaller type like short or char ? My understanding is that this method only returns -1, 0 or 1. ...
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Inserting a PDF file in LaTeX

...ude, i.e. \includepdf[pages={1,3,5}]{myfile.pdf} would include pages 1, 3, and 5 of the file. To include the entire file, you specify pages={-}, where {-} is a range without the endpoints specified which default to the first and last pages, respectively. – rcollyer ...
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HTML5 Canvas Resize (Downscale) Image High Quality?

... : to build the smaller image, they will just pick ONE pixel in the source and use its value for the destination. which 'forgets' some details and adds noise. Yet there's an exception to that : since the 2X image downsampling is very simple to compute (average 4 pixels to make one) and is used fo...