Triftrw is a general purpose, serialization-only, thrift encoding libraries written by Uber. Since there’re some thrift code generation ralated issues in my working project right now, I decide to give myself a chance to dive into this attractive library. Of course, the Go implementation. AST There are three basic interfaces in thriftrw’s ast package Node is a single element in the Thrift AST. Walker provides acccess to information about the state of the AST walker.

Operators Are Software SREs. The key tenet of SRE is automating systems administration by writing software to run your software. An Operator is like an automated SRE for its applications.

On production enviroment, chef server is recommended when you need to manage more than one machine at a time. three types: Hosted Enterprise Chef On Premises (Private) Enterprise Chef Open Source Chef There is a good tutorial about setting up chef server 12. However, there are some differences when applying to the latest chef-server release version. For our example, Enviroment: workstation: macOS Sierra 10.12.2 chef server and nodes: Vagrant based CentOS 6.

• 首先因为$1e9+7$是一个质数
• 其次是$1e9+7$对于int32来说足够大
• 还有就是$1e9+7$的平方对于int64来说也恰好不会溢出