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September 7, 2026 · Dev.to

Testing HttpClient the Right Way: Mock Handlers, Not Interfaces
Hey test-loving developers! 👋 I see this pattern ALL the time: // ❌ The wrong way public interface IHttpClientWrapper {
Beyond the Wrist: Detecting Sickness Before It Hits with HRV Anomaly Detection and Scikit-learn
Ever woke up feeling like a truck hit you, only to realize your Apple Watch had been screaming "Warning!" via your data
Designing the Risk Engine Behind CIDS
A security system can collect thousands of events. But collecting events is not the difficult part. The difficult part i
PII Meets GenAI: What Actually Happens When Sensitive Data Enters Your Prompt?
"Don’t put sensitive data into an AI prompt." I hear this advice a lot, and while it makes sense, I think it oversimplif
Proof of Good: Turning Acts of Generosity Into Digital Memories
This is a submission for Weekend Challenge: Generosity Edition What I Built Proof of Good turns an everyday act of gener