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Scala is a flexible language and it is heavily utilized by various frameworks such as Apache Spark, Apache Kafka. It is interoperable with Java and relies heavily on JVM, for now. The creator of Scala, Martin Odersky called null as “The Million Dollar Mistake”, this pegs the question - how does Scala deal with emptiness? Is it any better than Java? To formulate an opinion for that question we have to know about four classes that can be used in Scala to convey the lack of a value – Nil, None, Nothing, Null. ...

Visualizations of various AWS Instance parameters 1 1. Total ECUs 2. Memory 3. How many instances can I get for $1 4. How many ECUs can I get for $1 5. How much memory can I get for $1 6. How much storage can I get for $1 7. How much EBS Throughtput(Gbps) can I get for $1 Excluding T2 {nano, micro, medium} instances. Calculations are based on hour based pricing. ↩︎ ...