danblack questions

danblack answers

• why "bcl 20, 31, $+4" instructoin for obtaining the address of next instruction in LR? why not "bl $+4" or "bcl 20, xx, $+4"?
• MySQL maximum number of rows before performance seriously degrades
• Error: Packets out of order. Got: 0 Expected: 3
• Why should not disable ONLY_FULL_GROUP_BY
• Select distinct columns where another column does not contain a particular value
• Python + Sqlite3 dump, source to MariaDB: Unknown collation: 'utf8mb4_0900_ai_ci' (db noob)
• Docker - Is volume mounted before running CMD
• Should "duplicate" indices in MySQL be deleted?
• How to determine Docker version [duplicate]
• why 'pip install mysqlclient' not working in ubuntu 18.04 LTS