As we know, a Brownian motion is usually formulated as $$dx_t = \mu\,dt+\sigma\,dW_t$$ which is the continuous case of a random walk. In some cases, it is quite convenient to use this formulation to describe the characteristic of asset prices due to its highly unpredictable behavior.继续阅读 »
ACE provides lots of wrapper classes to hide the difference between OS. ACE_Process is one of them to give us an unified operation interface to fork/kill/wait a process. And ACE_Process is also a good example code to show useful function, such as how to check whether a process is alive.继续阅读 »
一、Pod定义
官网文档对Pod的定义是:
A Pod is the basic building block of Kubernetes–the smallest and simplest unit in the Kubernetes object model that you create or deploy. A Pod represents a running process on your cluster.继续阅读 »