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You are doing data modelling for Google BigTable. Which statement expresses if and when you should split entities across multiple rows?

asked Aug 14, 2022 in NoSQL by AdilsonLima

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You need to implement the simplest possible scalable, in-memory cache for your AWS application. Which service do you select?

asked Aug 14, 2022 in NoSQL by AdilsonLima

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Polyglot storage means using multiple types of what in the same application?

asked Aug 14, 2022 in NoSQL by AdilsonLima

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You need to change the shard key of an existing MongoDB collection. What do you do?

asked Aug 14, 2022 in NoSQL by AdilsonLima

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What does redis use to sort the elements of a sorted set?

asked Aug 14, 2022 in NoSQL by AdilsonLima

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asked Aug 14, 2022 in NoSQL by AdilsonLima

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You need to create a document database that supports database triggers. Which NoSQL database should you use?

asked Aug 14, 2022 in NoSQL by AdilsonLima

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You want to test HBASE on your laptop using the fewest number of steps. What do you do?

asked Aug 14, 2022 in NoSQL by AdilsonLima

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To index a field that holds an array value in MongoDB, which index type do you create?

asked Aug 14, 2022 in NoSQL by AdilsonLima

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You want to connect a DynamoDB stream to AWS Lambda function?

asked Aug 14, 2022 in NoSQL by AdilsonLima

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Which types of indexes are available in Cosmos DB?

asked Aug 14, 2022 in NoSQL by AdilsonLima

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What term is used to specify a precondition?

asked Aug 13, 2022 in Scala - The Diatonic Syallable by AdilsonLima

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What is the value of z after executing this code? val y = List('a','b') val z = y::List('c')

asked Aug 13, 2022 in Scala - The Diatonic Syallable by AdilsonLima

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What is one way to implement pattern matching on methods?

asked Aug 13, 2022 in Scala Constructs by AdilsonLima

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For the for-yield construct, is the scope separate between for-body and yield-body?

asked Aug 13, 2022 in Scala Constructs by AdilsonLima

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Which is a subclass of all classes?

asked Aug 13, 2022 in Scala - The Diatonic Syallable by AdilsonLima

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What type of object does this code create? val x = (1234, "Active")

asked Aug 13, 2022 in Scala - The Diatonic Syallable by AdilsonLima

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When you convert a map to a list using the toList method of the map, the result will be of which type?

asked Aug 13, 2022 in Scala - The Diatonic Syallable by AdilsonLima

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What type of number is 1234.e5?

asked Aug 13, 2022 in Scala - The Diatonic Syallable by AdilsonLima

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After defining a function in the interpreter, Scala returns the following. What does the () indicate? myfnc: ()Unit

asked Aug 13, 2022 in Scala - The Diatonic Syallable by AdilsonLima

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What data type would you use to store an immutable collection of objects that contain a fixed number of varying types?

asked Aug 13, 2022 in Scala - The Diatonic Syallable by AdilsonLima

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What do you use in ScalaTest to see a detailed diagram of error messages when a test fails?

asked Aug 13, 2022 in Scala - The Diatonic Syallable by AdilsonLima

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What is one way to avoid low-level parallelization details?

asked Aug 13, 2022 in Scala - The Diatonic Syallable by AdilsonLima

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What value does this code return?

asked Aug 13, 2022 in Scala - The Diatonic Syallable by AdilsonLima

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Scala bytecode can run on top of Java VM. What is the fundamental difference between Java object.clone() and Scala object.copy()?

asked Aug 13, 2022 in Scala - The Diatonic Syallable by AdilsonLima

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Why should black hat SEO practices be avoided?

asked Aug 12, 2022 in SEO by Robin

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What are Black Hat and White Hat SEO?

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How to remove toxic links to a site?

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What is the limit of a robot.txt file?

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What are the doorway pages?

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