Invisible reCAPTCHA v2: find the sitekey, solve it with invisible=1 and submit the token (Python and Node)
Invisible reCAPTCHA v2 is the version with no "I'm not a robot" box. The page shows only the small "protected by reCAPTCHA" badge, and the check runs
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Oct 12, 2026
48-Hour Field Notes: I Would Quarantine the Suggested Repro Before a Free Server Saw It
I keep meeting the same tempting shortcut, and I still do not trust it on sight. A coding model drafts a small patch, and a hosted machine is offered
python
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Oct 12, 2026
Shrink the Witness Before a Flake Freeze Can Open
An agent patch does not earn a flake freeze from one red run on a wide fixture. The freeze may open only after the property predicate, the stopped wit
python
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Oct 12, 2026
Verdandi: Document Intelligence, Simplified
Preface
You should probably skip the preface, It's just me ranting
I can summarise my entire time at EY with one word - Documents
And it'
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Oct 12, 2026
The Hard Part Wasn't the AI — 6 Wiring Bugs from Building a Self-Improving Agent
canonical_url: https://github.com/arielchangdev/eliana-ai-agent/blob/main/BLOG_WIRING.md
I spent a few months building Eliana — a self-hosted, self-i
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Oct 12, 2026
How I built a symbolic log inequality solver as a 16-year-old
Logarithmic inequalities are annoying.
Not because they're hard — but because most solvers skip the domain constraints. They give you the answer, you
python
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Oct 12, 2026
What is MCP? Build and call your first remote MCP tool in 15 minutes
AI-assisted draft. I wrote and verified the code against the current MCP docs and Python SDK.
MCP (Model Context Protocol) is an open standard for co
python
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Oct 12, 2026
Tracing Google ADK Agents on Vertex AI Agent Engine, and the Five Gotchas Nobody Warns You About
Turning on tracing for a Google ADK agent deployed to Vertex AI Agent Engine is one keyword argument:
from vertexai.agent_engines import AdkApp
ag
python
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Oct 12, 2026
Weekly Challenge: The one about alternating
Weekly Challenge 394
Each week Mohammad S. Anwar sends out The Weekly Challenge, a chance for all of us to come up with solutions to two we
python
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Oct 11, 2026
What Is Django? Introduction, Features & Uses | Django Tutorial #1
Introduction to Django
Web development has become an essential part of modern technology. From educational portals and e-commerce platforms
python
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Oct 11, 2026
Notes From 48 Hours: I Scored the Second Patch Against a Tree That Left
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
python
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Oct 11, 2026
A hash-chained audit log only proves something once the head leaves your database
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
python
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Oct 11, 2026
Schedule Node.js Webhook Follow-Up Tasks an Hour Later: Delayed Messages and Data Boundaries
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
python
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Oct 11, 2026
Merge Documentation by Heading So Models Cannot Replace Owned Sections
Liquid syntax error: Unknown tag 'endraw'
python
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Oct 11, 2026
Domain, Assertions, Fixture Hash: Gate Agent Patches on Strength
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
python
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Oct 11, 2026
I gave my blog an agent: auto topic ideas every week
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
python
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Oct 11, 2026
MCP in 30 lines: it's just standardized function calling
In Building an AI agent from scratch, our cat tool was hardcoded inside the agent:
# the tool lives inside your program
TOOLS = [{"function": {"nam
python
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Oct 11, 2026
Population Growth Sandbox: 6 Experiments That Show How Carrying Capacity Really Works
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
python
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Oct 11, 2026
Python Japan Stock API Integration: TSE Market Data and Real-Time Subscriptions
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
python
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Oct 11, 2026
Python日本股票API接入:东证行情数据与实时订阅实战
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
python
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Oct 11, 2026