Signal processing is an import area. It deeply embeds in digital life. How can I ignore it so many years? How signal processing affects daily life Machine learning is essentially signal processing. Video/Audio recording is just engineering. The vital part is also signal processing; such as face detection, object identification, data overlay & analysis… Looking from SP perspective my computer usage is pretty bad: To do good signal processing, I need good hardware: Strengthen my body; Use good PC; Good protection; ...

I’m trying the CodeLLDB extension which is great. Finally we can debug C++ code without Visual Studio on Windows. (This extension was inspired by Are We IDE yet project but it actually benefits C++ a lot.) However the typing support for lldb package is not there. That means I can’t use auto-complete when authoring a debugger script. So I created a typing package: lldb-typeinfo. Then I noticed that there are color differences between Jedi and Pylance: ...

Recently I want to improve python support on vscode based on jedi, but the build process is very confusing… I created a Makefile, but I keep getting indentation error. One way to check if you get spaces or tabs is via this setting: “Editor: Render Whitespace” Tried I tried to set it via tab size in the status bar: However its not working. Do some internet search, and inset the following vscode settings: ...

watched a video (I don’t know whether it’s a good thing? but I will post here anyway..) originally mentioned here

I originally think this song is French, but turns out most lyrics are in German..

Wikipedia Video News

A recall into past At high school, as a student, I’m overwhelmed at study and assignmments. However, we have a computer in class, and at free time, we can play game on it, which the class manager will turn a blind eye. Well I was also interested in it then. I would download and install all kinds of tools, often causing the computer to crash. This brings many trouble to teachers and the computer manager. I was still very embarassed when thinking this now. ...

Intro As I have discovered the source of my pain (under the help of medical experts), that is the back of my right arm was squeezing the shoulder nerves. I recalled that I never have a good workout with my arms/shoulders, and my arm muscles are very weak. In middle school, I’ve been constantly dealing with homeworks. We still have P.E. classes, although I can’t do Pull-ups, the stretch still helps. ...

Just watched this analysis of Chinese economy. It was very shocking to know how the GDP was produced. political atmosphere In a long time, I only see the middle class rushing their cars, busy making money. I don’t see them talking about politics. That’s because the money has make them shut their month. China is using economy growth to supress political opposition. (I have a memory on a rainy day, that me and my sister is riding bicycles. We hide in the highschool. A man is riding his car to send us home. I don’t where he comes from, but likely he is related to the school. He is a good man, and the old school master is good. But things have changed now; the master has retired, and the school was rebuilt.) ...

I use v2ray protocol to access global internet. For a long time it’s working fine. However, after recent update, this warning popped: [Warning] common/errors: This feature WebSocket transport (with ALPN http/1.1, etc.) is deprecated and being migrated to XHTTP H2 & H3. Please update your config(s) according to release note and documentation before removal. The source seems that v2rayN is using xray core, and this project has get a new update: xhttp feature. and the author is recommending it. ...