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ExternalSoftware Engineering
GitHub Changelog

Upcoming deprecation of Opus 4.6 (fast)

We will deprecate Opus 4.6 (fast) across all GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes, and code completions), on June 29th, 2026: Model Deprecation date… The post Upcoming deprecation of Opus 4.6 (fast) appeared first on The GitHub Blog.

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ExternalSoftware Engineering
DEV Community

I Built a Local Directory Site with Astro, Airtable, and Cloudflare - Here is the Architecture

I've built a few local directory sites lately - the "best X in town" kind of thing - and I kept reaching for the same stack: Astro for the frontend, Airtable as the CMS, Cloudflare to host it. After the third one I realised the architecture was the interesting part, not any individual site. So this is a writeup of how the pieces fit together, the decisions that actually mattered, and the two or three gotchas that cost me an afternoon each. If you're building anything that's mostly structured, re

astrocloudflaretailwindcss
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ExternalSoftware Engineering
DEV Community

Rebalancing a portfolio without selling anything: the contribution algorithm

How to split a monthly contribution across several assets to pull a portfolio back toward its targets — without selling anything or paying taxes. Every long-term investor hits the same wall: you set a target allocation (say 40% stocks, 25% fixed income, 20% REITs, 15% international), the market moves, and three months later your portfolio is lopsided. The classic advice is to rebalance by selling what went up and buying what went down. The problem: selling triggers taxes, brokerage fees, and — h

pythonfinancealgorithms
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