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Room Database ( android ) Introduction to Room Database The Room database in Android is a powerful library that simplifies data persistence, offering a modern alternative to SQLite. If you’ve ever wrestled with raw SQL queries or managed database versions manually, you’ll appreciate the improvements Room brings to the table. It allows Android developers
Evaluate Reverse Polish Notation (python 3) You are given an array of strings TOKENS that represents an arithmetic expression in a Reverse Polish Notation. Evaluate the expression. Return an integer that represents the value of the expression. Note that: The valid operators are ‘+’, ‘-‘, ‘*’, and ‘/’. Each operand may be an integer or another expression. The division between