Note: There is a prerequisite to using the In-basket widget to change role using a change role event—no role is manually configured in the In-basket widget.
请注意：用 In-basket 小部件的 Change role 事件来改变角色有个先决条件 — In-basket 小部件中的角色都不是手工配置的。
2
The only prerequisite to installing memcached is libevent, the asynchronous event-notification library that memcached depends upon.