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How to convert a string into double and vice versa?

...ouble = [myString doubleValue]; Rounding to the nearest int can then be done as int myInt = (int)(myDouble + (myDouble>0 ? 0.5 : -0.5)) I'm honestly not sure if there's a more streamlined way to convert back into a string than NSString* myNewString = [NSString stringWithFormat:@"%d", myInt]...
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How to convert a currency string to a double with jQuery or Javascript?

... it at a project and had very good experience using it. accounting.formatMoney(4999.99, "€", 2, ".", ","); // €4.999,99 accounting.unformat("€ 1.000.000,00", ","); // 1000000 You can find it at GitHub share ...
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Map implementation with duplicate keys

... Also, this Multimap doesn't pretend to be a Map the way the apache one does. – Kevin Bourrillion Nov 6 '09 at 10:16 7 ...
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Fastest way to determine if record exists

... I think we should consider @nenad-zivkovic answer over this one. – Giulio Caccin Jul 7 '15 at 23:06  |  show 4 more comments ...
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How to customize the background/border colors of a grouped table view cell?

... UPDATE: In iPhone OS 3.0 and later UITableViewCell now has a backgroundColor property that makes this really easy (especially in combination with the [UIColor colorWithPatternImage:] initializer). But I'll leave the 2.0 version of the answ...
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How can I determine whether a Java class is abstract by reflection

...act. I can solve this by instantiating the classes and trapping InstantiationException but that has a performance hit as some classes have heavy startup. I can't find anything obviously like isAbstract() in the Class.java docs. ...
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What is the easiest way to push an element to the beginning of the array?

I can't think of a one line way to do this. Is there a way? 6 Answers 6 ...
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How do you detect the clearing of a “search” HTML5 input?

... "update panel" function was called once, on FF twice for every keystroke (one in keyup, one in change) Additionally, clearing the field with the small X (which is not present under FF) fired the search event under Chrome: no keyup, no change. The conclusion? Use input instead: $(some-input).on(...
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Which kind of pointer do I use when?

...nterparts. Use them when you need to share a resource and don't know which one will be the last to be alive. Use weak_ptr to observe the shared resource without influencing its lifetime, not to break cycles. Cycles with shared_ptr shouldn't normally happen - two resources can't own each other. Note...
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How do I push a new local branch to a remote Git repository and track it too?

...ou: git push --all -u (Not exactly what the OP was asking for, but this one-liner is pretty popular) If you are sharing your repo with others this isn't really good form as you will clog up the repo with all your dodgy experimental branches. ...