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I opened these notes because the second patch looked careless, and I wanted a culprit before I wanted a receipt. The first suggestion had left a small
Here's the question worth asking about your audit log: if someone with write access to your database rewrote the whole thing tonight, what would catch
Short answer: schedule each one-hour webhook follow-up as a delayed queue message, not as a cron job created for that event; reserve cron for recurrin
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An agent patch that shrinks a property domain, drops an assertion, swaps out a case, or replaces a fixture hash has weakened the test. That delta is a
The annoying part of running a blog isn't writing — it's picking topics. What do I write today? It's guesswork, and it eats time. So I gave it an age
In Building an AI agent from scratch, our cat tool was hardcoded inside the agent: # the tool lives inside your program TOOLS = [{"function": {"nam
In 1911, a small herd of reindeer was released on St. Paul Island, Alaska, a place with plenty of lichen and no predators. By most accounts the herd g
More and more friends are doing Asia-market quant work these days, and Japan is one you can't ignore — the TSE Prime (formerly the First Section) has
最近做亚洲市场量化的朋友越来越多，日本股市是绕不开的一个——东证一部（TSE Prime）有2000多家上市公司，日均成交额排全球前三。跟美股、港股比起来，日本市场的代码体系和交易规则都不太一样，接数据的时候容易踩坑。 这篇记录一下接入日本股票行情的全过程，重点讲日本市场的代码体系和跟其他市场的差
Test your understanding of continuous integration in Python, from automated builds and unit tests to staging environments and deployable artifacts.
Python namespaces store and organize the symbolic names in your program. Learn when they're created, how they work, and how scope follows.
Learn how to use Python for loops to iterate over lists, tuples, strings, and dictionaries with Pythonic looping techniques.
How I'm turning my coding skills, creative ideas, and curiosity into practical digital solutions. As developers, we often start by learning a program
A lot of OSINT work dies at the first step: Telegram's official API only sees channels you join, and joining 200 channels to monitor 200 channels is n
Have you ever wanted to experiment with Kubernetes Horizontal Pod Autoscaler (HPA) without spinning up costly cloud clusters on AWS, GCP, or Azure?
You have three groups and one question: do their averages differ? So you do the obvious thing. You run a t-test on A vs B, another on A vs C, and a t
The Problem No One Warns You About When Telegram introduced video avatars, the spec seems simple: a square video, under 10 seconds, under 2
I had a tiny Python job that passed in my editor and then died on a clean remote interpreter. My hands went straight back to the chat box, because the