Aliaksandr Kazlou questions

• JPA with Hibernate 3.6.8.Final, PostgreSQL 9.1, SQLGrammarException - configuration issue? Weird SQL statement
• How to do integration testing in Clojure?
• Cassandra is configured to lose 10 seconds of data by default?
• Does this code solve the double checked locking issue in Java?
• Unable to query with @MapsId and @Id, but works just with @Id
• Impact of Java streams from GC perspective or handling short-lived objects by the GC
• Tomcat 7 Spring App IntelliJ IDEA 10.5 OutOfMemoryError: PermGen space
• JSR: Specification for evaluation vs Specification for building an implementation
• Always use primitive object wrappers for JPA @Id instead of primitive type?
• The better Java singleton pattern nowadays? [duplicate]

Aliaksandr Kazlou answers