Breandán Dalton questions

Breandán Dalton answers

• Java regex to match word with optional multiple comments between every 2 letters (how to back reference a regex subexpression)
• Is KeyPairGenerator.generateKeyPair() thread safe?
• Midnight date with timezone sent to timezone-ignorant system
• Geo Fix command does not pass altitude
• Spring Security Warning: Class AuthorityUtils is abstract?
• Google Sheets: how to make returned value of custom function overflow into a row?