车子的车速是固定的吗?不用考虑每次跑赛车完成比赛的时间是不同相同的话。

还要考虑 36 辆塞车分组时，出现某组最慢车速比其他组最快车速还快的情况。

等着呢。。。。

OS X El Capitan 才有的功能

一. 直接定位元素，$(ele ).click ()

二. visual event http://www.sprymedia.co.uk/article/Visual+Event+2

py文件里的中文字符都加上u吧，

奇点 https://itunes.apple.com/us/app/qi-dian-for-wei-bo/id947792507?mt=8

wget 镜像下载

简单点了转换为csv，然后纯文本折腾去吧。

运气好，买9的后不就免费升级到了10，应该可以用很久了。

20Mbps下行应该理论上应该可以达到2.5MB/S,可是看最上面的到深圳也就610KB/S,怎么说应该能够上1MB吧。

@armysheng 还没换过。前一段时间恢复了，昨天又不行了。

之前已经被封过一次了，昨天又不行了。SFO机房

我提过工单，他们的回答

Many services like Google will often block entire ranges of IP addresses as known data centers or cloud providers. At this time we are investigating a resolution; but we don't currently have one. The only suggest I can can provide is to create a new droplet with a new IP address.

You may also wish to try a different data center. If you follow the steps below, it will provide a new IP address on the create.

1. Power down the droplet and take a snapshot
2. Create a new droplet with the snapshot
3. Destroy the old droplet once you have the new one up and running.

@armysheng