Kostiantyn questions

Kostiantyn answers

• Why is for-of loop faster than standard for loop for small arrays and slower for larger arrays?
• Flux not subscribing in Spring 5 reactor
• How to validate Google receipt validation locally with old Order ID format?
• Spring security hasPermission is not working
• Spring Junit org.h2.jdbc.JdbcSQLException: Exception opening port "9092" (port may be in use)