On March 31, 2025, Stripe shipped the Basil API version. Among other changes, it removed three fields from the Subscription object that a lot of production code was reading: current_period_start — moved to subscription items current_period_end — moved to subscription items billing_thresholds — removed entirely (later reintroduced — more on this) If you upgraded your account's default API versi
GitHub Copilot is more than just an AI coding assistant; it's a productivity superpower for many developers, promising to streamline workflows and accelerate delivery. Yet, as a recent GitHub Community discussion vividly illustrates, the path to actually subscribing to this powerful tool can sometimes be a frustrating maze of unexpected billing hurdles and unresponsive support. At devActivity, we
Metric Value Django Average Response Time 287ms Node.js Average Response Time 193ms Django Memory Usage (1000 users) 1.8GB We tested Django 4.2 and Node.js 18.16 under identical conditions to measure their performance for reporting dashboard workloads. The test environment consisted of AWS EC2 m5.2xlarge instances (8 vCPUs, 32GB RAM) running Ubuntu 22.04. Both frameworks connected to th
It’s just HTML… how hard can it be? 😎 Expectation const data = document.querySelector('.title').innerText; 💀 Reality null Data loads via API React renders everything later Class names look like passwords 403 + CAPTCHA waiting for you 🧠 Truth You don’t scrape websites. *If you’ve fought with querySelector()and lost… welcome to the club. connect with KF
Generative AI is no longer just an emerging technology. It is becoming a core business capability across software development, customer support, analytics, content generation, automation, knowledge management, and enterprise productivity. For cloud professionals, developers, data teams, and solution architects, learning Generative AI on AWS is now a high-value career move. AWS provides a growing e
The Model Context Protocol has transformed how we connect AI to tools. But connecting agents to tools is only half the battle — connecting agents to each other is where the real challenge begins. I recently read @raviteja_nekkalapu_'s excellent article "I built an AI security Firewall and made it open source because production apps were leaking SSNs to OpenAI" and it resonated deeply with challeng
When stepping into the world of data engineering, Apache Airflow is likely one of the first tools you will encounter. It is the industry standard for programmatically authoring, scheduling, and monitoring workflows. Before building our first DAG, it's important to know what has changed in Airflow 3.1.0. Initially, Airflow users imported DAGs and tasks from airflow.models and airflow.decorators. I
A deeply-synthesized, opinionated reference distilled from five canonical sources: donnemartin/system-design-primer · ByteByteGoHq/system-design-101 · karanpratapsingh/system-design · ashishps1/awesome-system-design-resources · binhnguyennus/awesome-scalability Use it as: a study guide for interviews, a checklist for design reviews, and a vocabulary for cross-team discussions. 📖 How to Use This