Archive - Yin’s Memos

UK's pervasive chemical air freshener problem

Have you noticed that, so many public spaces in the UK are filled with air fresheners? Yes, that familiar pesticide-like smell, the kind of chemical air…

Nov 26, 2023 •

November 2022

Computer vision's hidden trick

There is also a well-hidden trick in the field of AI for convincing people that computer vision surpasses humans.

Nov 25, 2022 •

From long-term programming language research and practical work, I have figured out some truths about testing.

Nov 22, 2022 •

On Program Correctness

No matter in the academic circle or in the industrial circle, there are always many people who care too much about the so-called "correctness of the…

Nov 21, 2022 •

The Word Play Problem of Artificial Intelligence

A deep mistake in the fields of AI and autonomous driving is that they simply understand the problem of human cognition as "word play".

Nov 20, 2022 •

May 2021

My new book: Ground-Up Computer Science

I have been teaching online computer science lessons for some time.

May 10, 2021 •

October 2019

Human-level computer vision is not real

Oct 20, 2019 •

February 2014

Three famous quotes

These three quotes are logically related to each other.

Feb 18, 2014 •

December 2013

Tests and static analysis

Ever since I made a static analysis tool for Python called PySonar, I have been asked about the question: "What is the difference between testing and…

Dec 27, 2013 •

On object-oriented programming

[written at the end of 2013 AD, during the Dark Ages of programming]

Dec 24, 2013 •

November 2013

PySonar2 successfully integrated with Sourcegraph.com

(The above picture was taken from: http://sourcegraph.com/github.com/mitsuhiko/flask) I recently joined a newly founded company called Sourcegraph.com…

Nov 25, 2013 •

Purely Functional Languages and Monads

In general, functional languages are pleasant to work with because they support first-class functions, which are a very powerful modeling tool.

Nov 16, 2013 •

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