Edward questions

• Linux: How to find man page or different versions of Linux commands? [closed]
• Using "not in" on WHERE with AND?
• Is there an infinity or wild card for use of BETWEEN ranges with MySQL?
• How to determine the center zip code for each state? [closed]
• How to fix badly formatted JSON in PHP?
• How to handle Objects with arrays to access specific data?
• How should a crc32 be stored in MySQL?
• How can I tell if SQLite is installed properly on Linux?
• PHP: How to parse a stdClass Object? [closed]
• Bash: How to test for failure of mkdir command?

Edward answers