Dzmitry Hubin questions

Dzmitry Hubin answers

• Can't launch Groovy Console - missing dependency javax/xml/bind/Unmarshaller
• How to import Intellij IDEA keymaps into eclipse?
• Can I use MERGE INTO to simulate "upsert" in Apache Derby?
• org.postgresql.util.PSQLException: ERROR: syntax error at or near ")"
• Safely disable WP REST API