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Retrieve a Fragment from a ViewPager

...ever changes, then it will no longer work. What about this solution, overriding instantiateItem() and destroyItem() of your Fragment(State)PagerAdapter: public class MyPagerAdapter extends FragmentStatePagerAdapter { SparseArray<Fragment> registeredFragments = new SparseArray<Fragment...
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Detect 7 inch and 10 inch tablet programmatically

... From this, we can get the information required to size the display: int widthPixels = metrics.widthPixels; int heightPixels = metrics.heightPixels; This will return the absolute value of the width and the height in pixels, so 1280x720 for the Galaxy SIII, the Galaxy Nexus etc. This isn't usual...
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Why are nested weights bad for performance? Alternatives?

...ted weights are bad for performance because: Layout weights require a widget to be measured twice. When a LinearLayout with non-zero weights is nested inside another LinearLayout with non-zero weights, then the number of measurements increase exponentially. It's better to use RelativeLay...
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Remove Fragment Page from ViewPager in Android

... destroyed. Motivated by this answer, I found that the solution is to override the getItemId(int position) method of FragmentPagerAdapter to give a new unique ID whenever there has been a change in the expected position of a Fragment. Source Code: private class MyPagerAdapter extends FragmentPager...
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setTimeout or setInterval?

...ipt running - the interval will have to wait for that to finish. In this Fiddle, you can clearly see that the timeout will fall behind, while the interval is almost all the time at almost 1 call/second (which the script is trying to do). If you change the speed variable at the top to something smal...
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How to find out what group a given user has?

... This one shows the user's uid as well as all the groups (with their gids) they belong to id userid share | improve this answer | ...
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IDENTITY_INSERT is set to OFF - How to turn it ON?

I have a deleted file archive database that stores the ID of the file that was deleted, I want the admin to be able to restore the file (as well as the same ID for linking files). I do not want to take identity_insert off the entire table, as the increment by one works great. In my insert to TBL...
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How do I see active SQL Server connections?

... You can use the sp_who stored procedure. Provides information about current users, sessions, and processes in an instance of the Microsoft SQL Server Database Engine. The information can be filtered to return only those processes that are not idle, that belong to a spec...
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How do you use the ellipsis slicing syntax in Python?

This came up in Hidden features of Python , but I can't see good documentation or examples that explain how the feature works. ...
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Change Circle color of radio button

...int color: (only works on api level 21 or above) <RadioButton android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/radio" android:checked="true" android:buttonTint="@color/your_color"/> in your values/colors.xml put your color in this...