Posts by Dmyan • 191 points

• 4

  votes

  1

  answer

  361

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  A: Check if a screen screenshot has been taken

  One solution is to use the ContentObserver, because a record will be inserted into the system media database after the screenshot of the screen. Permission is required for this method…

  android

  answered 7 years, 7 months ago Dmyan 191

• 5

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  2

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  A: Difference between Alter Table Foreign Key

  The addition of ADD CONSTRAINT is used to define the name of the FOREIGN KEY and to create foreign key with multiple columns. more information…

  mysql database terminology

  answered 7 years, 7 months ago Dmyan 191