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Better way to cast object to int

... to signify a Nullable<int>. The "as" operator works like Convert.To____(), but think TryParse() rather than Parse(): it returns null rather than throwing an exception if the conversion fails. Of these, I would prefer (int) if the object really is just a boxed integer. Otherwise use Conver...
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How to iterate a loop with index and element in Swift

...100, height: 100) button.addTarget(self, action: #selector(iterate(_:)), for: .touchUpInside) view.addSubview(button) } @objc func iterate(_ sender: UIButton) { let tuple = generator.next() print(String(describing: tuple)) } } PlaygroundPage.current.liv...
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How can I measure the speed of code written in PHP? [closed]

How can I say which class of many (which all do the same job) execute faster? is there a software to measure that? 10 Answe...
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Bad value X-UA-Compatible for attribute http-equiv on element meta

...tion that states: "The following proposed extensions do not yet conform to all the registration requirements in the HTML spec and are therefore not yet allowed in valid documents." So the validator is correct to reject this value. ...
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Is there a way to iterate over a dictionary?

...ere you need a key in order to get a value . But how can I iterate over all keys and values in a NSDictionary , so that I know what keys there are, and what values there are? I know there is something called a for-in-loop in JavaScript . Is there something similar in Objective-C ? ...
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location.host vs location.hostname and cross-browser compatibility?

...gin has browser compatibility issues. developer.mozilla.org/en-US/docs/Web/API/Window/… – Scott May 20 '15 at 15:38 ...
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How to format Joda-Time DateTime to only mm/dd/yyyy?

...iang Joda uses the same format string syntax as SimpleDateFormat. Read the API documentation. – Jesper Dec 2 '13 at 15:17 ...
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Best way to parse RSS/Atom feeds with PHP [closed]

...e RSS experience and needs a better parser. – duality_ Jul 30 '11 at 13:49 3 In case somebody nee...
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Repeat a task with a time delay?

...er()); private Runnable mStatusChecker; private int UPDATE_INTERVAL = 2000; /** * Creates an UIUpdater object, that can be used to * perform UIUpdates on a specified time interval. * * @param uiUpdater A runnable containing the update ro...
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What is the difference between SessionState and ViewState?

... saved on the server, ViewState is saved in the page. Session state is usually cleared after a period of inactivity from the user (no request happened containing the session id in the request cookies). The view state is posted on subsequent post back in a hidden field. ...