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Clicking the back button twice to exit an activity

...ode uses System.currentTimeMillis(); to store the time onBackPressed() is called; private static final int TIME_INTERVAL = 2000; // # milliseconds, desired time passed between two back presses. private long mBackPressed; @Override public void onBackPressed() { if (mBackPressed + TIME_INTERVAL ...
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How can I see the specific value of the sql_mode?

... The combination modes are all documented here: dev.mysql.com/doc/refman/5.5/en/server-sql-mode.html. For example, here you can see which 7 modes comprise the ORACLE combination mode: dev.mysql.com/doc/refman/5.5/en/… – Ike Walk...
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arrow operator (->) in function heading

...) + std::declval<T2>()) compose(T1 a, T2 b); except it's getting really verbose now. So the alternate declaration syntax was proposed and implemented and now you can write template <typename T1, typename T2> auto compose(T1 a, T2 b) -> decltype(a + b); and it's less verbose and t...
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How to have conditional elements and keep DRY with Facebook React's JSX?

How do I optionally include an element in JSX? Here is an example using a banner that should be in the component if it has been passed in. What I want to avoid is having to duplicate HTML tags in the if statement. ...
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Break or return from Java 8 stream forEach?

... This works if finding an object was the goal, but that goal is usually served by a return statement from a findSomething method. break is more usually associated with a take while-kind of operation. – Marko Topolnik Apr 26 '14 at 19:53 ...
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How to get HttpClient to pass credentials along with the request?

...Bytes(data)); } } catch (Exception exc) { // handle exception } finally { wic.Undo(); } Note: Requires NuGet package: Newtonsoft.Json, which is the same JSON serializer WebAPI uses. share | ...
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Is there a way to create xxhdpi, xhdpi, hdpi, mdpi and ldpi drawables from a large scale image?

...pi, xhdpi, hdpi, mdpi and ldpi drawables from a large scale image automatically? For example assume that I have a 512x512 image and I want to have different versions of this images for different screen resolutions supported by Android in appropriate folders. ...
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Excluding files/directories from Gulp task

I have a gulp rjs task that concatenates and uglifies all my custom .JS files (any non vendor libraries). 2 Answers ...
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Turn off Chrome/Safari spell checking by HTML/css

...-grammar-checking Update: This is now supported in the latest versions of all browsers. share | improve this answer | follow | ...
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Set font-weight using Bootstrap classes

...an. It works!!! i did try to make the content bold by adding the style manually to css file but it just did not happen. Then I found your answer :D – Travis Le Oct 7 '19 at 10:31 ...