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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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When exactly is it leak safe to use (anonymous) inner classes?

...y tough question. While you may think it is just one question, you are actually asking several questions at once. I'll do my best with the knowledge that I have to cover it and, hopefully, some others will join in to cover what I may miss. Nested Classes: Introduction As I'm not sure how comfortab...
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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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Host 'xxx.xx.xxx.xxx' is not allowed to connect to this MySQL server

...CREATE USER 'monty'@'localhost' IDENTIFIED BY 'some_pass'; mysql> GRANT ALL PRIVILEGES ON *.* TO 'monty'@'localhost' -> WITH GRANT OPTION; mysql> CREATE USER 'monty'@'%' IDENTIFIED BY 'some_pass'; mysql> GRANT ALL PRIVILEGES ON *.* TO 'monty'@'%' -> WITH GRANT OPTION; ...
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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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Can anyone explain this strange behavior with signed floats in C#?

...(thisObj, obj); (Both methods are [MethodImpl(MethodImplOptions.InternalCall)]) When all of the fields are 8 bytes wide, CanCompareBits mistakenly returns true, resulting in a bitwise comparison of two different, but semantically identical, values. When at least one field is not 8 bytes wide, Ca...
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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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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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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 :) ...