Review map and flatMap from code
In this blog, we will talk about map and flatMap again. they are the most common monadic operations in functional programming. I don’t want to tell you what’...
Recent Posts
OAuth 2.0 Introduction
Recently I read a book Mastering OAuth 2.01, it give me a very clear picture for this protocol. In this blog I want to share the knowledge I learned in this ...
Cognito
## Pain Point
The Vim Commands I Used
Vim is an awesome editor and you can find the Vim simlulator in lots of popular editors(such as Intellij Idea, Atom, Sublime Text). it will make your life mo...
Try Is Not A Monad
In this blog we will talk about scala.util.Try and try to figure out if it is a Monad.