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How to disable/enable the sleep mode programmatically in iOS?

...back by overriding the viewWillDisappear: override func viewWillDisappear(_ animated: Bool) { UIApplication.shared.isIdleTimerDisabled = false } More about UIApplication Class. share | impr...
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Difference between Math.Floor() and Math.Truncate()

...seems, simply because it can round to a specific number of decimal places. All the others round to zero decimals always. For example: n = 3.145; a = System.Math.Round (n, 2, MidpointRounding.ToEven); // 3.14 b = System.Math.Round (n, 2, MidpointRounding.AwayFromZero); // 3.15 With the other...
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Invoking JavaScript code in an iframe from the parent page

...oes not work for my gadget, here is my code document.getElementById('remote_iframe_0').contentWindow.my.create_element_gadg‌​et('verify_user');" remote_iframe_0 is created programmaticaly by a apache shindig server but window.parent.document.getElementById('remote_iframe_0').contentWindow.my.cr...
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How do I exit a WPF application programmatically?

... To exit your application you can call System.Windows.Application.Current.Shutdown(); As described in the documentation to the Application.Shutdown method you can also modify the shutdown behavior of your application by specifying a ShutdownMode: Shutdown i...
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Setting HTTP headers

...is now: func saveHandler(w http.ResponseWriter, r *http.Request) { // allow cross domain AJAX requests w.Header().Set("Access-Control-Allow-Origin", "*") } Maybe this will help someone as caffeine deprived as myself sometime :) ...
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How can I use MS Visual Studio for Android Development?

...; System > Advanced > Environment Variables) ANDROID_HOME = <install_path>\android-sdk ANDROID_NDK_ROOT = <install_path>\android-ndk ANT_HOME = <install_path>\apache-ant JAVA_HOME = <install_path>\jdk _JAVA_OPTIONS = -Xms256m -Xmx512m Download examples from here....
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PHP PDO returning single row

... Do you really need to LIMIT 1 all the time though? Knowing that you're selecting a UNIQUE value comes to mind. – Super Cat Feb 1 '17 at 3:10 ...
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What does cmd /C mean? [closed]

...iable expansion using ! as the delimiter. For example, /V:ON would allow !var! to expand the variable var at execution time. The var syntax expands variables at input time, which is quite a different thing when inside of a FOR loop. /V:OFF Disable delayed environmen...
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Initialise a list to a specific length in Python [duplicate]

...dicts, do not use [{}]*10 -- that would give you a list with the same initially-empty dict ten times, not ten distinct ones. Rather, use [{} for i in range(10)] or similar constructs, to construct ten separate dicts to make up your list. ...
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What does `unsigned` in MySQL mean and when to use it?

... MySQL says: All integer types can have an optional (nonstandard) attribute UNSIGNED. Unsigned type can be used to permit only nonnegative numbers in a column or when you need a larger upper numeric range for the column. For e...