You have a GitHub repo and a Jenkins server. The Jenkins has Jobs for running unit tests, computing code coverages, and executing static analyses. Today, each time someone opens a PR to your repo, you ask them to 1) run those Jobs, 2) take screenshots of the results, and 3)…

You have 4 datasets, but not the raw data; just their statistics. They are the 4 runs of the same experiment. You suspect that one of runs might be corrupted. Without access to the raw observed values, how do you find out the outlying dataset? In this short article, I…

Why? Because they look soviet and have funny captions. Here’s what you’d get if you search for the English phrase, enamel mugs: Low-key, adorable and decent for most occasions, aren’t they? But if you search for the term in Chinese, 搪瓷杯:

Notion AI is cool, but I use Obsidian. Also, I prefer to keep my notes offline. How do I mimic the write-for-you experience as close as possible? In this post, I introduce my setup of enabling LLM-powered autocomplete feature in Obsidian. Today’s recipe only involves 3 ingredients: Alpaca, a large…

Here’s how I’d usually phrase a story, which is a quite objective narrative: We have 2 CI servers: A weak one and a strong one. Our PRs trigger a Job on the weak server. [System diagram here] The disk on the weak server frequently becomes full, and — each time…

THE REJOICE OF FUN LICENSE (ROFL) Version 1.0, [Date] Preamble. The Rejoice of Fun License (“ROFL”, “the License”, or “this license” hereafter) is a software license that aims to promote a joyful and creative coding environment while emphasizing responsible conduct. This license encourages developers to have fun and enjoy the…

Many religions hold that gods are omnipresent. That is, god exists everywhere, at all times. In mathematics, how do you comprehend something that extends throughout time? You Fourier transform it. Maybe god lives in the frequency domain. Any action of theirs affect every moment in our world. On the other…

Motivation History is fascinating, but it’s difficult to visualize what the world looked like thousands of years ago. Many aspects contributed to this difficulty. Partially it’s because ancient people had a different sense of aesthetics. Before the 1400s, painters rarely had perspective in mind, making proportions of things look rather odd…

You know what “unit test”, “integration test”, and “system test” mean. But what about “end-to-end tests”, “regression tests”, and “acceptance tests”? This post disambiguates them for you. Speak of scopes Let’s start with a one-paragraph refresher about unit tests, integration tests, and system tests: First, there are unit tests. They test the smallest…