alvin alexander
alvin alexander

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Nodes for the term “null”

    Scala: Declaring a null var variable (field) before a try, catch, finally block

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    Functional error handling in Scala

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    A Scala Either, Left, and Right example (like Option, Some, and None)

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    Scala best practice: How to use the Option/Some/None pattern

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    Amazon Prime Video reminds me of WeakHashMap

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    A Java “instanceof null” example

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    Java BufferedReader, readLine, and a Scala while loop

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    How to perform a SQL query for fields that are null (or not null)

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    Using the Scala Option, Some, and None idiom (instead of Java null)

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    More null values seen in the wild

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    Scala best practices: null values, Option, Some, and None

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    Android AsyncTask - Using "Void, Void, Void" parameters (code signature)

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    A Scala “Null Object” example

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    The rationale for Optional (in Java)

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    Initialize Scala variables with Option, None, and Some (not null)

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    A Java method that tests if a String is null or blank

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    How to cast a null value in Java

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    Those pesky null values

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    Tomcat DBCP error: Cannot create JDBC driver of class ... for connect URL null

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    Java servlet session - how to test for a valid session in a servlet

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