I am new to asynchronous message queues and would be using the python api to kestrel, pykestrel in my project (https://github.com/empower/pykestrel).
How do I determine if variable开发者_运维知识库 is undefined or null? My code is as follows: var EmpName = $(\"div#esd-names div#name\").attr(\'class\');
加载中,请稍侯......