apiverve.hashnode.devWhy Your Sentiment Analysis Is WrongThe marketing team is excited. They just added sentiment analysis to the customer feedback pipeline. Every review, survey response, and support ticket now gets a sentiment score. Red is negative. Green is positive. A dashboard shows the company's ove...1d ago·8 min read
apiverve.hashnode.devWhat Your User Agent String RevealsEvery HTTP request your browser makes includes a header that tells the server who's asking. It looks something like this: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 That string — th...1d ago·7 min read
apiverve.hashnode.devThe Timezone Bug That Cost Us a ClientThe support ticket came in at 7 AM on a Tuesday. "Why did our promotional email go out at 3 AM? We specifically set it for 9 AM." I checked the logs. The email system showed the job executed at exactly 09:00:00. On time, as configured. Then I saw the...1d ago·10 min read
apiverve.hashnode.devThe Phone Number Validation Rabbit Hole"Validate that it's a phone number. How hard can it be?" I've heard this sentence start many projects that ended in frustration. Phone numbers look simple — we use them every day, we know what they look like, how hard could validation be? Very hard, ...1d ago·8 min read
apiverve.hashnode.devThe DNS Migration Checklist Nobody Talks About"DNS propagation takes 24-48 hours." You've heard this. You've probably said it. It's become the standard disclaimer for any DNS change. But here's the thing: it's not really true. Or rather, it's true in a way that obscures what's actually happening...1d ago·9 min read
