Joy questions

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• Importing data from mysql to druid
• Two level filtering of list in Java 8
• Multiple Field Query handling in Lucene
• How to catch DB errors in CodeIgniter PHP
• Calling two functions in parallel in Java 8
• Issue in launching minikube on mac
• How to use a Java class in JSP scriptlet? Error says the class cannot be resolved to a type
• Constructing list from multi level map in Java 8
• How to include ActionMailer class in rake task?

Joy answers