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overlay two images in android to set an imageview

...XML then simply set the image, or you can configure a LayerDrawable dynamically in code. Solution #1 (via XML): Create a new Drawable XML file, let's call it layer.xml: <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item android:drawable="@drawable/t" /> ...
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Unique constraint on multiple columns

...ied from technet's documentation, is in the form of: CONSTRAINT constraint_name UNIQUE [ CLUSTERED | NONCLUSTERED ] ( column [ ASC | DESC ] [ ,...n ] ) Therefore, the resuting table definition would be: CREATE TABLE [dbo].[user]( [userID] [int] IDENTITY(1,1) NOT NULL, [fcode] [int] ...
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How can I reset a react component including all transitively reachable state?

I occasionally have react components that are conceptually stateful which I want to reset. The ideal behavior would be equivalent to removing the old component and readding a new, pristine component. ...
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Rails render partial with block

... In Rails 5.0 there was a change so this is general to all partials, not just layouts. You can change the first line of the calling code to: <%= render '/shared/panel', title: 'some title' do %> – Jay Mitchell Sep 26 '19 at 20:10 ...
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Uncaught TypeError: Illegal invocation” in Chrome

...ou are assigning a native method to a property of custom object. When you call support.animationFrame(function () {}) , it is executed in the context of current object (ie support). For the native requestAnimationFrame function to work properly, it must be executed in the context of window. So the ...
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Escape regex special characters in a Python string

...ackoverflow\.com Repeating it here: re.escape(string) Return string with all non-alphanumerics backslashed; this is useful if you want to match an arbitrary literal string that may have regular expression metacharacters in it. As of Python 3.7 re.escape() was changed to escape only characters whi...
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Random row selection in Pandas dataframe

... Thanks @eumiro. I also worked out that df.ix[np.random.random_integers(0, len(df), 10)] would also work. – John Apr 10 '13 at 10:58 7 ...
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Why does pylint object to single character variable names?

...riptive and not too short. You can use this to avoid such short names: my_list.extend(x_values) Or tweak PyLint's configuration to tell PyLint what variable name are good. share | improve this a...
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LEFT JOIN only first row

... Thanks for your fast response. This was not the exact answer, but totally got me on the right way. I always tried to join both on the same level instead of making the one depended from the other. Thank you very much for leading me on the right track. Edited the first post ...
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How do you reference a capture group with regex find and replace in Visual Studio 2012, 2013, 2015,

...gular expressions' is checked, and put the following as the text to find: _platformActions.InstallApp\((.+)\) And the following as the text to replace it with: this.Platform().App($1).Install() Note: As SLaks points out in a comment below, the change in regex syntax is due to VS2012 switching to...