HackerNoon

The Truth About TradingView’s SuperTrend Strategy After 6.7 Years of Backtesting

I ported TradingView's SuperTrend strategy to Python and ran it on 6.7 years of real ticks with spread and commission: PF ...

"It works on my machine"—9 places where the same code and commands silently take on different meanings depending on where they run

"It works on my machine." I'm sure you've said it or heard it at least once—in code reviews, in chat, or during incident post ...

17 Items to Check Before Upgrading to PostgreSQL 19—The One pg_upgrade --check Misses, and Inspection SQL (Measured on 18.6 and 19beta4)

The release notes for PostgreSQL 19 (scheduled for official release in October 2026) contain a section titled "Migration to ...
letsdatascience

Cohesity tells LDS what an AI agent rollback cannot undo

Restoring an AI agent's memory cannot recall an email it has already sent. In written answers to LDS, Cohesity's Swami Ramany ...
HackerNoon

I Turned a Three-Hour Network Maintenance Check Into Three Minutes With Python

How a Python and Netmiko utility turned repetitive health checks across 200 network devices into a parallel, logged, ...
GitHub

Made in India. Priced for India?

India has become one of Apple's most important iPhone manufacturing hubs. I initially wanted to answer a simple question: If more iPhones are being made in India, why don't they feel cheaper in India?
GitHub

知识库AI问答方案.md

状态：已实施并线上运行（2026-09-11） 入口：主站 /skill/（教材知识库子站）→ 「AI 问答」；后端 /skill-api/*（Cloudflare Worker ...
KDnuggets

5 Useful Python Scripts to Automate CSV Processing

CSV files show up in almost every data workflow. Exports from databases, applications, and batch jobs often end up as .csv files, along with problems such as inconsistent delimiters, encoding errors, ...