200Lab · Catalog
Chương trình kỹ thuật có lab, checkpoint và mentor review. Lọc theo chủ đề, loại nội dung hoặc hình thức học.
FeaturedKhóa học · Agent
Các kỹ thuật cần thiết để từng bước xây dựng Chatbot Copilot hỗ trợ người trực chat: mockup trước khi code, khuôn kết quả JSON, BM25 không dấu, grounding, hybrid search, agent gọi tool chỉ đọc, trace, test với fake model và đo chi phí
Vibe Coder Foundations: Git and GitHub, Frontend and Backend, Secrets, Data Modeling, Tests and CI with Claude Code and Codex
Prompt and Context Engineering for coding agents: briefs, specs, plans, AGENTS.md, session hygiene and evidence-based acceptance
Coding agent loops: evidence goals, turn and usage limits, checker agents, hook guards, scheduled runs, multi-agent review
Video systems: resumable uploads, idempotent transcode jobs, HLS ladders and ABR, LL-HLS latency, WebRTC with TURN, SFU simulcast
Realtime and offline-first apps: SSE vs WebSocket, sequence-based resume, cross-gateway pub/sub, large-room fan-out, offline sync, CRDT
Multi-tenant SaaS on Postgres: shared vs dedicated vs hybrid, RLS default-deny, plans and entitlements as data, quota units, metering and budget pacing, per-tenant lanes and caps, desired vs observed state, reconcile loop, tenant lifecycle
Sharding a growing Postgres: vertical split first, shard key and co-location, hot keys and hot shards, modulo vs consistent hashing vs directory of logical shards, sharded IDs, lookup index, global uniqueness, online data move, epoch, reshard
Distributed data design: crash vs slow node vs network partition, clock drift and Lamport clocks, replication lag, synchronous commit, read-your-writes, linearizable reads, leader election, split brain, failover, PITR, conflicts, quorum, CRDT
Các kỹ thuật cần thiết để từng bước xây dựng Chatbot Copilot hỗ trợ người trực chat: mockup trước khi code, khuôn kết quả JSON, BM25 không dấu, grounding, hybrid search, agent gọi tool chỉ đọc, trace, test với fake model và đo chi phí
Event-driven system design: queue vs pub/sub vs event log, partition keys and ordering, consumer groups and lag, poison messages and DLQ, saga, event replay, schema compatibility, event-time counting, CQRS, event sourcing
Service-to-service API design: status codes, Problem Details error model, schema validation, keyset cursor pagination, long-running operations, OpenAPI contracts, versioning, deprecation, consumer-driven contract tests, webhooks, gRPC, GraphQL
System design foundations: requirements and constraints, SLOs and error budgets, workload and back-of-the-envelope estimates, load balancers, caches, queues, read replicas, partitioning, object storage and CDN, bottlenecks, failure propagation and recorded design decisions
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