hrishi questions

• npm start is not working npm (ERR! Failed at the [email protected] start script.)
• npm -v. The system cannot find the path specified
• How to use AND operator in XPath?
• 504 GATEWAY_TIMEOUT in ajax call
• Accessing DOM dynamically updated from Chrome extension
• Codeigniter session is not working on PHP 7
• Table is specified twice, both as a target for 'UPDATE' and as a separate source for data in mysql

hrishi answers