Tag

#tutorial

20 posts

Cloud & DevOpsJune 26, 202611 min
GitHub Actions: Reusable Workflow vs Composite Action 2026
Reusable workflow vs composite action in GitHub Actions: jobs vs steps, secrets, nesting limits, and outputs—plus exactly when to use each, with YAML.
Cloud & DevOpsJune 25, 202612 min
kubectl debug Ephemeral Containers: No-Shell Pods 2026
Debug a no-shell distroless pod with kubectl debug and ephemeral containers: the --target flag, /proc filesystem access, and CrashLoopBackOff pod copies.
Frontend DevelopmentJune 24, 202611 min
TanStack Query Optimistic Updates: Rollback in 2026
Optimistic updates in TanStack Query (React Query) with useMutation: cancelQueries, snapshot, setQueryData, and automatic rollback when a request fails.
Frontend DevelopmentJune 17, 202612 min
TanStack Query + Next.js 16 App Router Prefetch (2026)
Prefetch TanStack Query v5 on the server in the Next.js 16 App Router, then hydrate with HydrationBoundary: no spinners, no double fetch. Runnable 2026 guide.
AI & Machine LearningJune 15, 202613 min
Claude Prompt Caching in TypeScript: Cut Costs 2026
Add Claude prompt caching in TypeScript with cache_control: measure cache_read_input_tokens, cut API costs ~89%, and avoid the silent minimum-token cache miss.
Frontend DevelopmentJune 12, 202612 min
React Activity Component Tutorial: Stateful Tabs (2026)
Hands-on React Activity component tutorial: preserve tab state with hidden mode, pause effects, and pre-render hidden UI. Runnable React 19.2 code, 2026.
AI & Machine LearningJune 11, 202620 min
Claude Batch API in TypeScript: Bulk Extraction (2026)
Claude Batch API tutorial in TypeScript: submit thousands of structured-output requests at 50% cost, poll status, stream results, and validate with Zod.
Frontend DevelopmentJune 8, 202613 min
React useEffectEvent Tutorial: Stop Effect Re-Runs (2026)
Hands-on React useEffectEvent tutorial: fix stale closures, stop useEffect re-running on prop changes, and migrate from useCallback. Runnable 2026 code.
AI & Machine LearningJune 7, 202619 min
Claude Structured Outputs in TypeScript with Zod (2026)
Get guaranteed JSON from the Claude API in TypeScript: structured outputs with Zod, strict tool use, plus refusal and max_tokens handling. Runnable 2026 guide.
Frontend DevelopmentJune 4, 202616 min
TanStack Router Type-Safe Search Params With Zod (2026)
Validate URL search params in TanStack Router with Zod: defaults, fallbacks, search middlewares, and the Zod 4 adapter gotcha. Runnable 2026 guide.
Frontend DevelopmentJune 1, 202613 min
Next.js 16 Cache Components: Multi-Tenant Tutorial (2026)
Production Next.js 16 Cache Components tutorial for multi-tenant SaaS: tenant-scoped cache keys with use cache, per-tenant cacheTag, and cacheLife.
Backend DevelopmentMay 31, 202618 min
Drizzle ORM + pg-boss Atomic Transactions Tutorial (2026)
Send Postgres-backed pg-boss 12 jobs inside a Drizzle ORM transaction with the fromDrizzle adapter, retries, dead letters, and cron schedules.

Every post in #tutorial (20)