Revisit Hydra

3 years ago I finished develop Hydra. So what’s problem Hydra resolved? Let’s talk about...

1 minute read

Asyncio for Python and Scala

The python part are mainly from “A Web Crawler With asyncio Coroutines” Let begin with...

3 minute read

Dotty/Scala3 quick preview

There are many new features in dotty/scala 3. To be continue…

1 minute read

Introduction to Doradilla

What’s Doradilla Doradilla is a job manage library which provides reactive way to handle job...

3 minute read

FSMActor workflow design

FSMActor is the engine of the job management. The job work flow as below: The...

6 minute read

Pessimist’s file lock

Pessimist’s file lock For software design when needs a global lock cross process, the file...

5 minute read

Bug in browser

Bug Client complains a bug that the download function will fail on chrome browser consistently,...

3 minute read