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Abstract Semantics of Machine Realizations
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A 177-line NinjaTrader add-on that only listens: fills to CSV, and what the Python side does with them
My partner trades micro futures on a prop-firm account that bans fully automated trading. I wanted a tool that checks every fill against her own rules the moment it happens. Those two facts decide the design: the NinjaTrader side may read, and it may write files.
Autonomous-Repository-Support-Agent
This is a submission for the Hacktoberfest Weekend Challenge: Build for a Friend What I Built I built an Autonomous GitHub Issue Debugger Agent for a close friend of mine who maintains an open-source library and constantly gets overwhelmed sorting through bug reports. Instead of manually digging...
PIX SaaS Starter: cobrança por período via PIX com Next.js e Mercado Pago
Implementar cobrança por PIX em um SaaS de verdade envolve mais do que parece: não basta fazer POST na API. O fluxo correto precisa de idempotência, verificação de assinatura de webhook, tolerância a notificações duplicadas e reembolso, e reconciliação se alguma ligação entre gateway e banco fal...
Six things old AZ-900 and DP-900 practice tests still teach that Microsoft has changed
Microsoft Learn moves faster than most practice question banks. While writing AZ-900 and DP-900 questions against the current skills outlines (July 20 and July 21, 2026), I kept running into answers that older material still teaches and that Microsoft's own pages now contradict. Here are six, e...