HTTP services, microservices, RPC, auth, caching, and resilient API design.
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Using tools like SuprSend to improve onboarding, encourage feature adoption, and create more personalised product experiences. Every product team wants users to discover value quickly, understand the product, and keep coming back. But building a great product doesn’t automatically guarantee…
Both of them begin like this: Elsewhere in the same repository there is a module whose whole job is to notice where the visitor is: That map holds 58 countries and 24 currencies, so the pricing page quotes a venue in Mexico…
Production failures: the things that page you · Chapter 3 of 24 · Reliability · new chapter every Friday morning By the end of this chapter: See how a well-intentioned client takes down a recovering service, and bound it. You are an on‑call engineer…
Google is about to draw a hard line between humans and agents inside Workspace. If your n8n AI agent touches Gmail, Drive, or Calendar through a Google OAuth client, you have until November 11, 2026 to flip one checkbox in the Google Cloud…
The free endpoint didn't fail me with a wrong answer. It failed me with a right answer, eleven seconds late, and that is a much harder bug to notice. That threshold has a name in capacity work: the knee. Below…
Apple’s on-device model is free, private and fast. It also has a context window of 4,096 tokens, and that window is shared by more things than most developers count. A chat feature that works in a demo can run out of…
If you are coming from Spring Boot, @Scheduled feels like the whole job scheduler in one annotation. Add @EnableScheduling, drop … Your @Scheduled Job Runs Three Times. ShedLock Fixes That. If you are coming from Spring Boot, @Scheduled feels like the…
An AI agent that builds a cart on a Shopify store reaches a fork once the checkout session is ready. On one branch it passes the shopper a continue_url and the merchant’s own checkout takes the order. On the other it…
A spike becomes testable the moment its author commits to a falsifiable sentence containing a number. The format is deliberately rigid, because vagueness is what lets a session drift past its budget. The ninety minutes are split into four checkpoints,…
If you have ever searched for a "Google Trends API", you probably found three things: an alpha API from Google with a waitlist, the unofficial pytrends library that keeps breaking with HTTP 429 errors, and a lot of scraping tutorials that…