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DEV Community · Technology

Why does PHP need asynchrony?

"The most dangerous phrase in the language is 'We've always done it this way.'" — Grace Hopper PHP is one of the last major languages that still lacks built-in support for concurrent execution at the language level. Python has asyncio, JavaScript is natively built on an event loop, Go has gorouti...

Edmond 1 day ago

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DEV Community · Technology

Azure ML Feature Store with Terraform: Managed Feature Materialization for Training and Inference 🗃️

Azure ML Feature Store is a specialized workspace that manages feature engineering, offline materialization to storage, and online serving with Redis. Terraform provisions the infrastructure, SDK defines feature sets. Here's how to build it. In the previous posts, we set up the ML workspace and dep...

Suhas Mallesh 1 day ago

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DEV Community · Technology

2026 Goldman Sachs Coding Interview Real Questions & Solutions

Hi everyone, I recently completed the 2026 Goldman Sachs Coding Interview. The interview mainly focuses on real coding ability, data structure design, and problem-solving under pressure. This article shares the actual questions I encountered along with detailed explanations and Python solutions....

programhelp-cs 1 day ago

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DEV Community · Technology

I Made a Free Tool That Roasts Your Website's Health in 20 Seconds

I built a website health scanner that checks for broken assets, SSL issues, missing security headers, and more. Here's what it finds on most sites "How do I know if my site has issues right now?" So I built a free scanner that answers that in 20 seconds: getsitewatch.com/scan Paste any URL. No si...

Nicky Christensen 1 day ago

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DEV Community · Technology

I built a database engine in pure C – here's what I learned

I recently built MiniDB Studio, a lightweight database engine in pure C (C11) as a learning project. Here's what I ended up building and what surprised me along the way. What it does B+ Tree indexing on id and age fields Hash indexes for fast exact lookups WAL-style crash recovery with...

kimhjo 1 day ago

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DEV Community · Technology

Why We Rebuilt Our Internal Tool from Scratch And What I Learned

At my previous company, we spent three years trying to make Salesforce, Zapier, and a handful of SaaS tools work together as a unified CRM plus operations platform. We had 14 active integrations, two dedicated engineers on "glue work," and a Slack channel called #zapier-is-on-fire. Eventually, we st...

GoodWork Labs 1 day ago

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DEV Community · Technology

Email Drafter — Multi-Agent Email Writing with Google ADK and Cloud Run

What I Built I built Email Drafter, a small web app that turns structured user input into a polished email draft using a multi-agent workflow. The app takes: recipient type purpose tone language key points Instead of using one giant prompt, I split the workflow into multiple speciali...

Zoe Lin 1 day ago

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DEV Community · Technology

fscan: Find dead code in your Flutter project from the command line

Your Flutter project probably has more dead code than you think. Dart's analyzer is great at catching type errors. It won't tell you that lib/features/onboarding/legacy_screen.dart hasn't been imported since March, or that assets/images/old_logo.png is still in your pubspec but never rendered....

Nguyễn Minh Đức 1 day ago

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DEV Community · Technology

Remote jobs in Rust – from a file to NATS in three steps

Introduction Every application eventually needs to offload work to another process. Parse a file, send an email, trigger a report – tasks that shouldn't block your main service and might even run on a different machine. Most solutions require you to commit to their ecosystem from day one – their q...

Marco Mengelkoch 1 day ago

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DEV Community · Technology

io_uring Adventures: Rust Servers That Love Syscalls

Our Rust file server hit a ceiling at 45K requests/sec. Switching to io_uring multiplied throughput 3.4x and cut latency 68% — but the… io_uring Adventures: Rust Servers That Love Syscalls Our Rust file server hit a ceiling at 45K requests/sec. Switching to io_uring multipli...

speed engineer 1 day ago

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DEV Community · Technology

Deploy Claude API on Cloudflare Workers: Edge-Native AI with Durable Objects and KV

Deploy Claude API on Cloudflare Workers: Edge-Native AI with Durable Objects and KV in TypeScript Cloudflare Workers run in 300+ data centers — sub-10ms cold starts, no servers. Combine that with Claude's API and you get AI inference at the edge, right next to your users. This guide cover...

Atlas Whoff 1 day ago

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DEV Community · Technology

Deploying Autonomous AI Agents in Production: A 2-Week Playbook

Most teams quote 3-6 months to deploy production AI agents. We've done it in 2 weeks. Repeatedly. Not demos. Not hackathon toys. Agents that handle real tickets, call real tools, pass real evals, and don't set the observability dashboard on fire at 2 AM. The difference isn't some secret framework....

Hemang Joshi 1 day ago

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DEV Community · Technology

I Tested Claude Haiku, GPT-4o Mini, and Gemini Flash on Real Tasks. Here's What Actually Happened.

I Tested Claude Haiku, GPT-4o Mini, and Gemini Flash on Real Tasks. Here's What Actually Happened. Every few weeks someone posts a new model comparison and it's always the same: benchmark scores, carefully designed test prompts, neat bar charts. Then you try the "winning" model on your ac...

Nate Voss 1 day ago

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The 4 Mistakes That Kill 80% of Enterprise AI Projects

What three years of auditing enterprise LLM deployments taught me about why most of them fail before they ship — and how to reverse the damage. I've audited more than 40 enterprise AI projects over the past three years. Fortune 500 banks. Mid-market logistics firms. Insurance carriers with billion-...

Hemang Joshi 1 day ago

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DEV Community · Technology

Claude Code forgot my architecture 3 times last week. I fixed it with one SQLite file.

Claude Code forgot my entire architecture decision log three times last week. After the third time, I stopped cursing at it and shipped a tool that does what it won't. Here's the whole thing. TL;DR: Waypath 0.1.1 is a local-first CLI and MCP server that gives coding agents (Claude Code, Codex, Cur...

thestack_ai 1 day ago

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I got tired of every "draggable" library being 30KB and opinionated about my CSS - so I built react-driftkit

small, unstyled primitives for floating UI. No providers. No design system. Tree-shakable. You know the drill. You need a floating chat button, a side dock, a pull-up sheet, or a resizable split layout. You search npm. You find one of two things: A 40KB monolith that ships with its own design...

Sakti Chourasia 1 day ago

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Mastering Cloud Policy & Governance with Terraform

Building Secure & Compliant Cloud Infrastructure with IaC 🚀 As part of my 30 Days of AWS Terraform challenge, Day 21 marked a major shift in perspective — from simply provisioning infrastructure to governing and securing it at scale. Today’s focus was on AWS Policy and Governance us...

Atul Vishwakarma 1 day ago

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Structure-Driven Engineering Organization Theory #4 — The Layer Structure of Organizations

People in the same room, speaking the same words, talking past each other. Usually because they're on different layers, but treating it as one conversation. An Organization Isn't a Single Plane Draw an org chart. Almost always, it ends up as a tree. CEO over directors, directors over...

machuz 1 day ago

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DEV Community · Technology

AI-900 vs AI-102: Which Azure AI Certification is Right for You?

The Azure AI ecosystem is expanding at a relentless pace, and with it comes a familiar dilemma: where do you start, and how deep do you go? Within the Microsoft certification landscape, two credentials dominate the conversation— Microsoft Azure AI Fundamentals (AI-900) and Microsoft Azure AI Enginee...

Datta Kharad 1 day ago

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Core Techniques for Alert Noise Reduction: How to Cut Through the Chaos

Your team gets pinged at 2 AM. Again. Another alert fires. Someone scrambles to investigate — only to find it's a duplicate, a false positive, or a threshold crossed for half a second before recovering on its own. Sound familiar? If your monitoring system generates more noise than insight, you're n...

Joy Anderson 1 day ago

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DEV Community · Technology

Claude Code VSCode Extension 60s Timeout: It Wasn't the MCPs

Claude Code VSCode Extension 60s Timeout: It Wasn't the MCPs The Symptom Every time I opened VSCode with the Claude Code extension (claude-vscode 2.1.112), I'd get: Error: Subprocess initialization did not complete within 60000ms — check authentication and network connectivi...

kanta13jp1 1 day ago

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DEV Community · Technology

Strong Customer Authentication (SCA) in Swift

Strong Customer Authentication, or SCA, is a multi-factor authentication method that protects sensitive actions inside apps such as — logging in, viewing sensitive data, changing settings, transferring money, anything worth guarding really. It came out of the EU, but it's spread far enough that you'...

Luka Gujejiani 1 day ago

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DEV Community · Technology

How Databases Lock Your Data (ACID)

https://www.youtube.com/watch?v=wIa-zbRqqIg Two bank transfers hit at the same millisecond. Both read your balance as $1,000. Both subtract $500. You should have $0 left. But the database says $500. Your bank just created money out of thin air. This is the lost update problem, and it's the reason...

Neural Download 1 day ago

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DEV Community · Technology

What Is an MCP Agent? How AI Models Drive MCP Tools in Real Time

TL;DR An MCP agent is an AI model that calls your MCP server's tools in a loop to answer a question or complete a task Instead of you picking which tool to call, the AI decides based on a natural language prompt Each "step" = model picks a tool → executes it → reads the result → decides what to d...

Rupa Tiwari 1 day ago

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