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What do two question marks together mean in C#?

... Tangential but related: It's now in Swift, but it's very different: "Nil Coalescing Operator" developer.apple.com/library/ios/documentation/Swift/Conceptual/… – Dan Rosenstark Oct 14 '15 at 19:21 ...
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Why is Go so slow (compared to Java)?

...fically, the goroutine scheduler isn't pre-emptive). Beyond that, I don't know Google's plans, whether the g compilers will ever be fiercely optimising, or if only gccgo will. – Steve Jessop Apr 24 '10 at 17:46 ...
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How do I copy to the clipboard in JavaScript?

...y') return true if the document.execCommand('copy') will succeed if called now. Checking to ensure the command was called from a user-initiated thread and other requirements are met. However as an example of browser compatibility issues, Google Chrome from ~April to ~October 2015 only returned tru...
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Remove all breakpoints in IntelliJ IDEA

...ect, hence the comment vs an answer), but I think the keyboard shortcut is now Alt+F9. Ctrl+Shift+F8 doesn't do anything for me. – Brandon Jan 2 '17 at 18:34 9 ...
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python pandas: apply a function with arguments to a series

...andas do allow you to pass extra arguments (see the new documentation). So now you can do: my_series.apply(your_function, args=(2,3,4), extra_kw=1) The positional arguments are added after the element of the series. For older version of pandas: The documentation explains this clearly. The app...
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Check if an element is present in an array [duplicate]

The function I am using now to check this is the following: 9 Answers 9 ...
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Cookie blocked/not saved in IFRAME in Internet Explorer

...n, a login, or any data collection (***** Analytics, anyone?), you must acknowledge it in your P3P) STP: Information is retained to meet the stated purpose. This requires information to be discarded at the earliest time possible. Sites MUST have a retention policy that establishes a destruction time...
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Moving average or running mean

... each position in the window, are sometimes called the convolution kernel. Now, the arithmetic mean of N values is (x_1 + x_2 + ... + x_N) / N, so the corresponding kernel is (1/N, 1/N, ..., 1/N), and that's exactly what we get by using np.ones((N,))/N. Edges The mode argument of np.convolve speci...
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How to detect if app is being built for device or simulator in Swift

In Objective-C we can know if an app is being built for device or simulator using macros: 20 Answers ...
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Can you autoplay HTML5 videos on the iPad?

... We (sleep.fm) figured out a way to keep phone awake while app is open but now with iOS 6.1 the alarm audio wont play. It worked fine in iOS 6.0. Is there a work around? – chaser7016 Jan 31 '13 at 3:22 ...