对于一些请求服务器的接口,可能存在重复发起请求,如果是查询操作倒是并无大碍,但是如果涉及到写入操作,一旦重复,可能对业务逻辑造成很严重的后果,例如交易的接口如果重复请求可能会重复下单。
When we click on a specific contact in the contacts app in the iphone SDk, we see the image of the person, the name and the tableview with details of the person. I would like to know how to generate t