What it is Service workers act as proxy servers that sit between web applications, the browser, and the network (when available). They are intended, among other things, to enable the creation of effective offline experiences, intercept network reques...
Given a load parameter such as the number of active users a day, we want to estimate the computing and storage resources we need. Load and Performance Parameters Requests Per Second Usage: Calculate the storage size for databases and cache memory Exa...
Authorization determines what authenticated users can access. RBAC: Role-Based Permissions RBAC assigns users to roles like admin, editor or viewer. Each role bundles specific permissions Example UseCase GitHub uses repository permission levels (read...
Core Challenges Design System mainly solves problems when we scale a product for many users Without a huge number of users, all design system problems scale back to coding problems. Challenge 1: Too many concurrent users The most common problem is th...
Token Tokens are numbers that represent how LLM thinks about the text The tokenizer splits text into tokens it recognizes These tokers are converted into numbers https://tiktokenizer.vercel.app/ 📚 Resources https://www.aihero.dev/what-are-toke...
Observability Observability is the ability to understand the internal state of a system based on the data it produces Trace data captures the path of requests in an application, as the requests travel through different components and services span...
Definition Scalability is a characteristic of systems, networks, and applications that defines their ability to accommodate increasing workloads without compromising performance. Vertical and horizontal scaling These are classic strategies for scalin...
Notes from this course: https://github.com/davidkpiano/frontend-masters-state-workshop Deriving State If we can calculate (derive) it, don’t store it ✋ Before const [items] = useState([ { name: 'Flight', cost: 500 }, { name: 'Hotel', cost: 3...
What is MCP? MCP is an open protocol that standardizes how applications provide context to LLMs. We can think of it like a USB-C port for AI applications. MCP provides a standardized way to connect AI models to different data sources and tools. Archi...