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Finding sum of elements in Swift array

...the sum of an array of integers in swift? I have an array called multiples and I would like to know the sum of the multiples. ...
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How do I convert seconds to hours, minutes and seconds?

...his is the best way, IMHO, as you can then use arithmetic on the timedelta and any datetime objects. – Matthew Schinckel Apr 22 '09 at 3:13 13 ...
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Why do we need fibers

...<Enumerator: 1:upto(10)> These Enumerators are Enumerable objects, and their each methods yield the elements which would have been yielded by the original iterator method, had it been called with a block. In the example I just gave, the Enumerator returned by reverse_each has a each method w...
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Center a position:fixed element

...a position: fixed; popup box centered to the screen with a dynamic width and height. I used margin: 5% auto; for this. Without position: fixed; it centers fine horizontally, but not vertically. After adding position: fixed; , it's even not centering horizontally. ...
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When do I need to use a semicolon vs a slash in Oracle SQL?

...nits" of work (creating a PL/SQL object, running a PL/SQL anonymous block, and executing a DML statement) can be picked out more easily by eye. Also, if you eventually move to something like Ant for deployment it will simplify the definition of targets to have a consistent statement delimiter. ...
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How to change UIPickerView height

... have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder. 27...
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The type or namespace name does not exist in the namespace 'System.Web.Mvc'

... Clean your solution and then set the property of those files to Copy Local = True. To set the Copy Local property to True or False In Solution Explorer, click the Show All Files button to display the References node. Open the References node...
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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?

...false; } But then they forget to use return doSomething() in the onclick and just use doSomething(). A second reason for avoiding # is that the final return false; will not execute if the called function throws an error. Hence the developers have to also remember to handle any error appropriately...
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Is there a REAL performance difference between INT and VARCHAR primary keys?

...AR as the primary key for reference lists (think US States, Country Codes) and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables. ...
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How to check file input size with jQuery?

I have a form with file upload capabilities and I would like to be able to have some nice client side error reporting if the file the user is trying to upload is too big, is there a way to check against file size with jQuery, either purely on the client or somehow posting the file back to the server...