Codeforces #879C
879C C. Short Program time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Petya learned a new programming language CALPAS. A program in this language always takes one non-negative integer and returns one non-negative integer as well.
Speech of Steve Jobs from Apple Special Event 2017
There’s lots of ways to be, as a person. And some people express their deep appreciation in different ways. But one of the ways that I believe people express their appreciation to the rest of humanity is to make something wonderful and put it out there and you never meet the people, you never shake their hands, you never hear their story or tell yours, but somehow in the act of making something with a great deal of care and love, something is transmitted there. And it’s a way of expressing to the rest of our species our deep appreciation. So we need to be true to who we are and remember what’s really important to us. That’s what’s going to keep Apple, Apple, is if we keep us, us.
postfix指定发件人地址
博客最近出现了几次nginx进程莫名其妙地挂掉，有好几次博客一晚上不能访问我都不知道，查日志也没查出来什么原因，后来用了监控宝家的报警服务，效果还蛮不错的，基本上出了故障十分钟以内都会检测到，并且还有邮件和免费短信通知，但是有的时候即使通知到了也不方便及时上服务器重启服务，所以索性自己写了个检测脚本：