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NewsJuly 1, 202610 min
Claude Sonnet 5: Cheaper Agents, Near-Opus Power (2026)
Claude Sonnet 5 brings near-Opus 4.8 agentic coding at $2/$10 per million tokens through August. See the pricing, the tokenizer catch, and the system card.
Cloud & DevOpsJuly 1, 202612 min
helm upgrade --install: Idempotent Deploys (2026)
helm upgrade --install installs a release if it's missing and upgrades it if it exists — one idempotent command. See the Helm 4 flags, gotchas, and CI pattern.
Backend DevelopmentJuly 1, 202612 min
Correlation IDs in Node.js with AsyncLocalStorage (2026)
Add a correlation ID to every log line in Node.js with built-in AsyncLocalStorage and Express — typed, zero-dependency, plus pino and downstream propagation.
LLM & IntegrationJune 30, 202612 min
Cosine Similarity vs Dot Product for Embeddings (2026)
Cosine similarity vs dot product for embeddings, with runnable TypeScript. Learn when to normalize, why they match for unit vectors, and which to pick.
Tooling & ProductivityJune 30, 202614 min
GitHub Copilot AI Credits: Usage-Based Billing 2026
GitHub Copilot moved to usage-based billing on June 1, 2026. Here's how AI Credits work, what plans include, what stays free, and how to avoid a shock bill.
Backend DevelopmentJune 30, 202617 min
Node.js Circuit Breakers with opossum + TypeScript (2026)
Build a production Node.js circuit breaker in TypeScript with opossum: closed, open, half-open states, fallbacks, errorFilter, timeouts, and verified output.
Frontend DevelopmentJune 29, 202612 min
How to Cancel a Fetch Request in JavaScript (2026)
Cancel a fetch request in JavaScript and React with AbortController: abort on unmount, add a timeout with AbortSignal.timeout, and handle AbortError safely.
NewsJune 29, 202612 min
GPT-5.6 Sol: OpenAI's Government-Gated Preview (2026)
OpenAI previewed GPT-5.6 Sol, Terra, and Luna on June 26, 2026 — but only to government-vetted partners, via API and Codex, under the cyber EO 14409.
Cloud & DevOpsJune 29, 202611 min
Custom Prometheus Metrics in Node.js + Express (2026)
Add Prometheus metrics to a Node.js + Express app with prom-client: a /metrics endpoint, custom counters and histograms, and safe low-cardinality labels.
Security & PrivacyJune 28, 202611 min
AI Coding Governance Gap: 97% Adoption, 30% Control (2026)
AI coding tools hit 97% enterprise adoption in 2026, but only 30% of teams fully govern them. Inside the AI coding governance gap, its risks, and the fix.
LLM & IntegrationJune 28, 202616 min
Token-Aware Text Chunking for RAG in TypeScript (2026)
Token-aware text chunking for RAG in TypeScript: recursive splitting with @langchain/textsplitters and js-tiktoken, plus chunk size and overlap tuning.
AI & Machine LearningJune 27, 202612 min
OpenAI Jalapeño: First Custom AI Inference Chip
OpenAI unveiled Jalapeño, its first custom AI chip — an LLM inference ASIC co-designed with Broadcom in nine months to reduce its reliance on Nvidia GPUs.