YoYo

YoYo has asked 9 questions and find answers to 22 problems.

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Retooling myself constantly.

YoYo questions

Use of @EmbeddedId and @MapsId causes NULL inserted (NOT NULL constraint violation)
How to move a Tag in SVN
How to provide Host Key for Maven SSH usage in server.xml
DateTimeFormatter month pattern letter "L" fails

YoYo answers

Exception in thread "main" java.lang.ExceptionInInitializerError Caused by: java.lang.NullPointerException
Force YARN to deploy Spark tasks across all slaves
retrieving default values defined in Java net.properties file
Use of @EmbeddedId and @MapsId causes NULL inserted (NOT NULL constraint violation)
Launching Apache Spark SQL jobs from multi-threaded driver
How do I get and set an object in session scope in JSF?
Using Spark for sequential row-by-row processing without map and reduce
Can object method call be done simultaneously with object instantiation?
Getting a substring from a string after a particular word
Missing @Override in Java Libraries