Languages & Runtimes

Language ecosystems, compilers, runtimes, package managers, performance, and best practices.

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Python Data, web, automation, packaging, async, and performance for Python stacks. JavaScript, TypeScript & Node JS runtimes, TypeScript, tooling, and the modern web/server JS ecosystem. Java & Kotlin JVM releases, Spring ecosystem, build tooling, and performance. C & C++ Systems, embedded, toolchains, and modern C/C++ evolution. C# & .NET .NET releases, ASP.NET, MAUI/Blazor, and cross-platform tooling. Go Go releases, modules, concurrency patterns, and backend tooling. Rust Rust editions, Cargo ecosystem, async runtimes, and performance. PHP Modern PHP, frameworks, Composer, and production patterns. Ruby Ruby, Rails, jobs, tooling, and performance changes. Swift & Objective-C Apple platform languages, SwiftUI, and toolchain evolution. SQL, Shell & Data Science SQL, Bash/PowerShell, and scientific computing languages for analysis and ops.

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Latest in Languages & Runtimes


dev.to > zaerohell > implementing-posthog-tracking-and-optimizing-web-vitals-in-playamxcrm-5d5o

Implementing PostHog Tracking and Optimizing Web Vitals in PlayaMXCRM

4+ hour, 43+ min ago   (206+ words) TL;DR: I integrated PostHog tracking for funnel step analysis and optimized web vitals by implementing a reverse proxy via /ingest rewrite, along with null safety fixes in requestAnimationFrame. These changes enhance analytics and performance monitoring. The initial problem was…...


dev.to > zaerohell > reducing-auth-latency-adding-craft-sync-navigation-in-a-nextjs-crm-1gnf

Reducing Auth Latency & Adding Craft Sync Navigation in a Next.js CRM

4+ hour, 43+ min ago   (397+ words) TL;DR: I trimmed the bcrypt work factor from 12 to 10 to cut login time from 5 s to ~1.6 s, and I added a “Craft Sync” link to the CRM navigation while removing a broken “Sync todo” button. These changes improved user…...


dev.to > zaerohell > fixing-hydration-re-building-the-sidebar-and-adding-a-tabbed-preview-in-a-nextjs-crm-2b2b

Fixing Hydration, Re‑building the Sidebar, and Adding a Tabbed Preview in a Next.js CRM

4+ hour, 43+ min ago   (387+ words) TL;DR: I added a suppressHydrationWarning flag to the tag, rewrote the sidebar with a reusable CrmShell component, and introduced a tabbed preview on the branding settings page. These changes removed the hydration warning, improved navigation consistency, and made the…...


dev.to > zaerohell > fixing-service-worker-caching-and-broken-complexes-urls-in-a-nextjs-multi-page-app-3i7d

Fixing Service‑Worker Caching and Broken “/complexes” URLs in a Next.js Multi‑Page App

4+ hour, 43+ min ago   (225+ words) TL;DR: I disabled caching for the service‑worker script and corrected the base URL used in seven condo‑related pages. The changes stop the stale‑SW bug that was breaking API calls and restore the /complexes endpoint in production....


dev.to > zaerohell > replacing-a-static-sidebar-with-a-dynamic-top-navigation-mega-menu-in-vibecoding-crm-1f4i

Replacing a Static Sidebar with a Dynamic Top Navigation + Mega Menu in VibeCoding CRM

4+ hour, 43+ min ago   (481+ words) TL;DR: We swapped the legacy sidebar for a responsive top nav with a mega‑menu in the VibeCoding CRM. The new structure pulls navigation data from a single source, tracks user clicks to surface a “Más usados” section, and…...


dev.to > zaerohell > migrating-30-pages-from-inline-styles-to-centralized-design-tokens-in-a-nextjs-monorepo-4bco

Migrating 30+ Pages from Inline Styles to Centralized Design Tokens in a Next.js Monorepo

4+ hour, 43+ min ago   (327+ words) The build started to fail on CI when a teammate added a new color token that conflicted with an existing inline RGBA value. We needed a systematic way to replace those inline styles with a single source of truth. My…...


dev.to > zaerohell > injecting-dynamic-brand-colors-across-a-nextjs-crm-with-a-central-brandinginjector-3589

Injecting Dynamic Brand Colors Across a Next.js CRM with a Central BrandingInjector

4+ hour, 43+ min ago   (361+ words) TL;DR: Added a BrandingInjector component that pulls the client’s primary color from the API and injects it as a CSS variable on:root. This single change replaced dozens of hard‑coded color values, making the brand theme truly global…...


dev.to > zaerohell > adding-cpu-and-memory-limits-to-the-postgres-service-in-lavanderia-crms-docker-compose-3dij

Adding CPU and Memory Limits to the Postgres Service in lavanderia‑crm’s Docker Compose

4+ hour, 57+ min ago   (438+ words) TL;DR: I added mem_limit and cpus to the Postgres container in docker-compose.yml to prevent it from hogging resources on my dev machine. The change stabilizes the local environment and avoids OOM kills without impacting production. Running the full stack…...


yuvrajsingh.io > posts > jetson-nano-super-benchmark-non-reasoning

Tiny LLM Benchmark: Jetson Orin Nano Super 8GB

6+ day, 23+ hour ago   (1797+ words) 8 tiny LLMs benchmarked across 4 power modes on Jetson Orin Nano Super 8GB: llama.cpp vs Ollama. 25W sweet spot: 43% more tok/s than 15W, better tok/J than MAXN. Yuvraj Singh ✦ May 29, 2026 · 34 minute read · Raw data on Hugging Face - complete per-cell JSON exports…...


aws.amazon.com > blogs > database > understanding-the-differences-between-pgbouncer-and-amazon-rds-proxy-for-postgresql-connection-pooling

Understanding the differences between PgBouncer and Amazon RDS Proxy for PostgreSQL connection pooling

11+ hour, 7+ min ago   (579+ words) AWS is the world's most comprehensive cloud, enabling organizations to accelerate innovation, reduce costs, and scale more efficiently Migrate to modernize → Modernize to unlock data → unlock data to run AI Get started with one of these featured services or browse…...