David SN questions

David SN answers

• Java 8 - Trying to convert String to LocalDateTime [duplicate]
• JPA count query to count total result rows of a group by query
• Maintaining Order in @ElementCollection using Set JPA
• Implementing a Query Using @NamedQuery with a 'SELECT OBJECt(var) FROM EntityName var
• How to implement API returns nested JSON with OneToMany relationship in Spring Boot?
• MongoDB Aggregate how to pair relevant records for processing
• hashCode implementation for "equals any of some fields are equal"
• Android UI: when can I directly modify a view?
• Is there a equivalent to ChronoUnit.between that returns fraction instead of integer?
• JPA column with incorrect underscore