A good strategy that works in many cases is to abort a request and resend it if you don't get a response in a reasonable time frame.
在这种情况下，如果在合理的时间段内没有得到响应，不妨采用一种有效策略：中止请求然后重新发送。
2
This works best with a compact set on a tripod; simply hold a removed lens from the sunglasses' frame as close to the front of your camera lens as possible.
在三脚架上放张光盘，把拆下来的镜片就用手拿着，尽可能靠近镜头。
3
Calling super constructors works just as with plain Ruby code, which means that the frame title can be set by calling super (" JRuby Object Browser ") on the first line of the initialize-method.