Java.Lang.Illegalargumentexception: Invalid Region.Op - Only Intersect and Difference in Button Background Failure

java.lang.IllegalArgumentException: Invalid Region.Op - only INTERSECT and DIFFERENCE in Button background failure

UPDATE

The fix for this will be included in Android Studio 3.5 Canary 2

java.lang.IllegalArgumentException: Invalid Region.Op - only INTERSECT and DIFFERENCE

The issue with targetSdkVersion 28

Looks like this started being enforced in P: https://developer.android.com/reference/android/graphics/Canvas#clipRect(android.graphics.RectF,%20android.graphics.Region.Op)

also reported here

• https://issuetracker.google.com/issues/121235731
• https://github.com/facebook/stetho/issues/607
• https://github.com/ArthurHub/Android-Image-Cropper/issues/553
• https://github.com/ArthurHub/Android-Image-Cropper/pull/588

Temporary solution for your case

Use

<corners
    android:radius="8dp"/>

instead of

<corners android:bottomRightRadius="8dp"
    android:bottomLeftRadius="8dp"
    android:topRightRadius="8dp"
    android:topLeftRadius="8dp"/>

Rails 3 Render = New with Parameter

I think the else clause of your 'create' method will need to roughly mirror your 'new' method, which means populating @category again from your params hash.

So first make sure your hidden field is populated, then check the contents of params when the form is submitted. category_id should be there and you'll need to grab it again as you did in 'new', if the save fails.

C socket server, Java socket client : BLOCKING!

from javadoc for BufferedReader.readLine()

Read a line of text. A line is considered to be terminated by any one of a line feed ('\n'), a carriage return ('\r'), or a carriage return followed immediately by a linefeed. 

That's why it blocks (no lf, no cr, no crlf)

[edit]

You need to create an EOL indicator that the C program understands (just like readLine() in the java client. Let that indicator be '\n' (for consistency if nothing else)

In Client.java, append '\n' to your sent string.

In tst.c, test for '\n', when it's received, break from the recv() loop

[/edit]

WPF DataGridColumn won't let me set .width = double.NaN for auto-sizing columns. Value should not be infinity error?

I believe you can simply use DataGridLength.Auto to set your width back to Auto

customBoundColumn.Width = DataGridLength.Auto;

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