After finshing WeChat backup on Mac, I’m wondering where WeChat stored the backup files, since it doesn’t give any info about this.

The answer comes from here:

Here are the instructions how to install font(ttf files) on Ubuntu and Mac.

Here is the bash command which counts the post numbers I wrote each year.

This post describes how to profile a Spring Boot web application with JConsole(the default profiling tool provided by JDK).

Today I find an issue when running a Spring Boot web application: the web app generates logging files at the “/tmp” directory which consumes a lot of storage. I didn’t set this. Why?

I have used Octopress for my blog from 2011. It’s been a while that I want to switch my blogging system from Octopress to something else. This is finally done now: I switched my blog from Octopress to Hexo in the recent days. What you see now is generated by Hexo instead of Octopress.

Here are some useful tips when using “htop”.