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Backend DevelopmentJune 27, 202616 min
Postgres Row-Level Security for Multi-Tenant Apps (2026)
Implement Postgres row-level security for multi-tenant apps with node-postgres: enable RLS, write current_setting policies, and avoid the pool-leak footgun.
AI & Machine LearningJune 26, 20269 min
FrontierMath v2: 42% of Math Problems Had Errors
Epoch AI's FrontierMath v2 fixed errors in 42% of problems on June 12, 2026. Here's what broke, how it was caught, and what it means for trusting AI benchmarks.
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.
Frontend DevelopmentJune 26, 202610 min
React Hook Form + Zod: Type-Safe Forms Tutorial (2026)
Build type-safe React forms with React Hook Form 7 and Zod 4: zodResolver setup, register vs Controller, and the z.coerce type-error fix. All runnable.
LLM & IntegrationJune 25, 202617 min
Count Tokens in TypeScript: Fit the Context Window (2026)
Count OpenAI tokens in TypeScript with gpt-tokenizer - no WASM, no API key. Count chat messages accurately and trim history to fit the model context window.
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.
Tooling & ProductivityJune 25, 20269 min
OpenCode: The Open-Source AI Coding Agent Explained (2026)
OpenCode is the open-source, terminal-first AI coding agent with 178K GitHub stars and 75+ model providers. What it is, how it works, and how to start.
Backend DevelopmentJune 24, 202611 min
Drizzle ORM Relational Queries: db.query Guide (2026)
Query nested relations in Drizzle ORM with db.query and the with operator: filter and limit child rows, run many-to-many joins, plus the v1 vs v2 changes.
AI & Machine LearningJune 24, 20269 min
LifeSciBench: AI Fails 64% of Life-Science Tasks 2026
OpenAI's LifeSciBench grades AI on 750 expert-written life-science research tasks. Its best model, GPT-Rosalind, passes just 36.1% — here's what that means.
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.
AI & Machine LearningJune 23, 20268 min
GLM-5.2: Open-Weight 1M-Context Coding Model (2026)
Z.ai's GLM-5.2 is a 753B-parameter, MIT-licensed open-weight model with a usable 1M-token context. See its coding benchmarks, pricing, and how to run it.
Cloud & DevOpsJune 23, 202615 min
Migrate Terraform to OpenTofu in 2026: Encrypt Your State
Migrate Terraform to OpenTofu with a clean tofu init -upgrade, then encrypt your existing state using PBKDF2 and AES-GCM. A step-by-step, runnable 2026 guide.