DEV Community • 2026-08-14 04:51

Meet Velociradix: The 180,000 req/s C++17 Powered Web Framework for Node.js

Hey everyone! 👋 I've been working on Velociradix, an ultra-fast, zero-dependency C++17 HTTP engine and Node.js web framework. Why Velociradix? Standard Node.js frameworks execute HTTP parsing, header validation, and routing on the single-threaded V8 loop. Velociradix moves socket handling (kqueue/epoll), zero-copy HTTP parsing, and Radix Trie routing to native multi-threaded C++ backg...

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Newest questions tagged javascript - Stack Overflow • 2026-08-14 04:47

How to query a custom element's internal elements while in the document from a DOMParser()?

How can the audio and script elements in the custom element be found within the DOMParser().parseFromString(...) result before adding it to the DOM? The MDN documentation for parseFromString reads: If the mimeType is text/html the input is parsed as HTML and elements are marked as non-executable, events are not fired, and event handlers aren't called to run inline scripts. Does "elements a...

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DEV Community • 2026-08-14 04:42

Cascading Failures in Multi-Agent Systems

I still remember the day our support bot, powered by a LangGraph agent workflow, started behaving erratically. Customers would ask for help with their orders, and the bot would respond with irrelevant information or, worse, loop indefinitely. After digging into the logs, we discovered that the issue was caused by a cascading failure in our multi-agent system. One of the downstream services, respon...

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DEV Community • 2026-08-14 04:34

Think Offline, Win Online — splitting thought from play in YiBoard

-- canonical_url: https://yiboardgame.com/blog/think-offline-win-online title: Think Offline, Win Online — splitting thought from play in YiBoard tags: board-games, gomoku, online-community, matchmaking published: false Most board game sites treat "thinking" and "playing" as the same event. You open the app, you face a clock, and you're expected to be sharp on the spot. YiBoard takes t...

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DEV Community • 2026-08-14 04:34

Share Your Localhost With Anyone Using Cloudflare Tunnel

Vibe-coding memes aside, it is genuinely a thing We all might have faced. You're building something locally, someone asks to see it or you want to access it in your other devices, and then you realize there's no quick way to show them other than being on the same network and enabling port portforwarding and stuff. Deploying feels like overkill for a thing which may or may not be ...

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DEV Community • 2026-08-14 04:32

Databricks buys Electric to embed local Postgres in AI agents

Databricks is acquiring the startup Electric to integrate WebAssembly-based Postgres databases directly into application environments for an undisclosed amount. This strategic move provides developers with a specialized method to keep data geographically and logically closer to AI agents as they construct increasingly autonomous enterprise software systems. Accelerating Agent Workflows w...

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DEV Community • 2026-08-14 04:24

Claude Code Assist: How Structured Output Works for Real-World Applications

Discover how Claude's innovative code assist feature is revolutionizing the way developers work. With its ability to provide structured output, developers can now integrate AI-generated code into their projects. But how does it actually work? Introduction to Claude Code Assist Imagine having a personal coding assistant that can help you with tedious tasks, such as writing boilerplate c...

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DEV Community • 2026-08-14 04:21

European SaaS Expired Session Cleanup: Idempotent Python Drains Rate-Limited Workers

For a European SaaS, cheap expired sessions cleanup sounds like a cron calling a public URL; the real constraint is proving that retries cannot delete the wrong session or flood a constrained worker pool. Short answer: expose an authenticated public HTTP trigger, let cron call it, and make that trigger enqueue deterministic, retry-safe cleanup batches rather than deleting expired sessions inside ...

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DEV Community • 2026-08-14 04:18

I Built a Puerto Rican Mountain Kitchen. The Only Image Is the Favicon.

This is a submission for Frontend Challenge - Comfort Food Edition, Perfect Landing. What I Built The only image file in this project is the favicon. No <img> tag anywhere. No inline SVG. No url() in any stylesheet. The pot, the broth, the steam, the fire, the rain running down the glass, the fog on the mountains, the moon, the roots floating in the bowl — every one of them is H...

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DEV Community • 2026-08-14 04:18

Spaghettifying DRAM: How AI Workloads Are Reshaping Memory Architecture Challenges in 2026

In 2026, AI training workloads will dominate global DRAM demand, overshadowing traditional computing needs. Generative AI models like GPT-5 will rely heavily on memory technologies such as High-Bandwidth Memory (HBM), making HBM the backbone of AI systems. Meanwhile, consumer electronics will struggle with diminished memory supply and soaring costs. The entire memory market is undergoing a signif...

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DEV Community • 2026-08-14 04:17

Gate the Patch, Not the Model: A Three-Check Loop for Untrusted Code Outputs

A generated patch can look correct and still fail in three ways that a prompt screenshot cannot show: it changes the contract, it imports a module the rest of the codebase does not allow, or it only works on the single example in the prompt. If you copy that patch into a real repository, you become the integration test, usually in a pull request late at night. This article walks through a short v...

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DEV Community • 2026-08-14 04:16

A Flake Triage Card for Your CI: Classify Failures First, Read Logs Second

CI goes red for reasons that have nothing to do with your change. A port collision on a shared runner, a test that expects a clock to move, a missing dependency image, a stale cache, an assertion that finally caught a real regression. When every failure lands as a raw stack trace in a channel, the expensive part is not the failure; it is deciding which log to open. A small classification pass can ...

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DEV Community • 2026-08-14 04:15

Traefik Host Collision: Why Duplicate Host Rules Break IngressRoutes

A service deploys perfectly clean. Pods Running, Endpoints populated, the Certificate resource says Ready: True, the IngressRoute shows no events. Then you curl the hostname and get back a 404 page rendered by your SSO provider, which you never attached to that route. Nothing in the deployment failed. Traefik logged nothing at error level. The 404 came from a service in a completely different nam...

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Securing Pakistan's Digital Future: A Cyber Defense Strategy for the Year Ahead
DEV Community • 2026-08-14 04:10

Securing Pakistan's Digital Future: A Cyber Defense Strategy for the Year Ahead

Pakistan is no longer just fighting for its physical borders — it is fighting for its digital ones too. Every day, government networks, banks, telecom systems, and ordinary citizens' data are targeted by attackers ranging from opportunistic criminals to state-sponsored actors. According to Pakistan's National Cyber Emergency Response Team (NCERT), the country faced hundreds of cyberattacks this ...

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DEV Community • 2026-08-14 04:10

A Free Model's Server Passed My Smoke Test, Then Hung on Shutdown. The Exit Contract Caught It.

We spend a lot of time testing whether a service can start. We spend far less time testing whether it can exit. A free model can scaffold an HTTP server, and a free server can host it, but if the process cannot stop cleanly, cheap compute becomes expensive: stuck containers, half-open sockets, and failed restarts. For this experiment I used MonkeyCode's free model access to generate a minimal Pyt...

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Lobsters • 2026-08-14 04:08

Logging into a Linux machine from a flip phone over Bluetooth (2020)

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DEV Community • 2026-08-14 04:03

I Gave DeepSeek a Token Limit. It Ignored Me.

A hands-on test of V4-Pro's default reasoning mode ⚠️ This article was generated with AI assistance (Claude). Every number comes from real calls the author made to DeepSeek's official API on the day of testing, and sample sizes are included with each conclusion. The author is an independent developer with no affiliation to DeepSeek or OpenRouter. Tested on 2026-08-14 using deepseek-v4...

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DEV Community • 2026-08-14 04:01

React useFocus Hook: Track & Control Element Focus State (2026)

Focus is where interaction actually happens — the input receiving keystrokes, the button the keyboard user just tabbed to. Yet React gives you no state for it. document.activeElement knows the answer but never tells you when it changes, the autoFocus attribute fires once and can't be re-triggered, and reading focus for rendering — show hints while editing, float a label, validate after leaving — m...

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Cascading Style Sheets • 2026-08-14 03:57

Pure CSS perfect cursor tracking

submitted by /u/officialmayonade [link] [comments]

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DEV Community • 2026-08-14 03:49

My Publish Script Checks for Duplicates Before It Posts. Nothing Stops Two Checks From Passing at Once.

This repo's publish_devto.py has had two real bugs fixed in its idempotency guard already. On 2026-08-08, already_published() was found failing open on URLError — the exact ambiguous "did my last POST actually land or not" failure the guard exists to survive, silently treated as "safe to publish anyway." A day earlier than that, the same function was found checking only the newest 30 titles instea...

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