Warlock's Thoughts

Quite often you need to provide users with the same data, but in different forms, like JSON, PDF, XLS, etc. If your application is Spring Fr...

Probably each of us encountered this problem at least once in the programmer's life - how to emulate a database sequence? Below you may...

There are books, which change your life immensely. One of such books is "Effective Java" by Joshua Bloch . Below you may find sma...

Long time ago, I wrote a post @OneToOne with shared primary key . Today I would like to return to this problem, with solution based on @Maps...

In my last post: JPA - Basic Projections - I've mentioned about two basic possibilities of building JPA Projections. This post brings y...