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Dev & web

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  • Aujourd’hui

  • DEV CommunityEN·Dev & web·lu·Raj·Il y a 25 minfrais

    Building an Ultra-Fast Suite of Free Web Calculators with Zero Frameworks (and 100/100 Core Web Vitals)

    If you've ever searched online for a mortgage calculator, a pregnancy due date estimator, or a simple percentage change tool, you already know the frustrating state of web utilities today: Cluttered with 15 sticky video ads and slow third-party ad tags. Bloated by 2MB…

  • DEV CommunityEN·Dev & web·lu·Smart Solutions·Il y a 26 minfrais

    I priced the 443-person company I would have had to hire

    In 2016 I built an illustrated story library the conventional way. I hired a writer, illustrators, translators and narrators, and I managed it book by book. It found readers on its own — the app is still live on Google Play , 4.5 stars across 976 reviews, over 100,000 downloads,…

  • DEV CommunityEN·Dev & web·lu·Nimbryx·Il y a 26 minfrais

    Building Custom Software That Fits Your Business (Instead of Forcing Your Business to Adapt)

    Most businesses don't start looking for custom software because they want another dashboard. They start because something isn't working. Data is scattered across spreadsheets. Employees repeat the same tasks every day. An off-the-shelf tool handles 80% of the workflow, but the…

  • DEV CommunityEN·Dev & web·lu·Auditzo·Il y a 26 minfrais

    Debugging Website Tracking: From HAR Files to Reproducible Technical Evidence

    What investigating 10 website-tracking allegations taught us about Chrome DevTools, request timing, browser state, and the limits of automated privacy scanners. Most developers have opened Chrome DevTools to investigate a failed API request, troubleshoot JavaScript, or check…

  • DEV CommunityEN·Dev & web·lu·Binary Dose·Il y a 27 minfrais

    TCP SYN Floods: Why Servers Need Stateless SYN Cookies

    TCP SYN Floods & SYN Cookies The classic TCP 3-Way Handshake has an inherent asymmetry that attackers exploit for denial-of-service. ⚡ The Half-Open Vulnerability Every incoming SYN allocates a socket structure in the kernel's SYN queue. If ACKs never arrive, the queue fills and…

  • DEV CommunityEN·Dev & web·lu·Farrukh Abdullah·Il y a 28 minfrais

    How to Architect JSON-LD Entity Graphs for AI Search & LLM Citation (GEO)

    Entity SEO for AI search runs on 3 layers: a canonical Entity Home, cross-platform sameAs corroboration, and attribute-rich service and local entity mapping. This post shows the JSON-LD behind each layer, as we apply it at Farrukh Abdullah Advisory, where AI SEO Consulting &…

  • DEV CommunityEN·Dev & web·lu·soushiyans mansouri·Il y a 29 minfrais

    Building & Hosting Custom LLMs

    TL;DR The Reality: Pre-training a frontier model from scratch (like Claude or Qwen-Max) is economically impossible for individuals, but fine-tuning open-weights models (like the Apache 2.0 Qwen3.8-27B ) using LoRA/DPO and modern engines like vLLM is fully achievable. The…

  • DEV CommunityEN·Dev & web·lu·Gunjan·Il y a 31 minfrais

    GhostShell

    👻 GhostShell — Giving My Terminal a Ghost of Its Own What if your terminal had a ghost living inside it? For Ghost in the Machine , I'm exploring GhostShell, an open-source AI-powered terminal companion that brings a little supernatural personality to everyday development. 🕯️…

  • DEV CommunityEN·Dev & web·lu·Cleo Cliona·Il y a 31 minfrais

    Budget your retries per turn

    Budget your retries per turn The turn died about forty minutes in, right after I typed a correction into the running agent. No provider flake, no network error, nothing in the logs that looked like an upstream fault — just a hard stop the moment my steer message landed. The…

  • DEV CommunityEN·Dev & web·lu·Francisco Grandón·Il y a 32 minfrais

    GitSéance: An Offline Digital Ofrenda Where Local Gemma Summons Deleted Code (And Refuses to Guess Why It Died)

    .-" "-. / 🌼 🌼 \ | #000dead | |, .-. .-. ,| | )(_o/ \o_)( | |/ /\ \| (_ ^^ _) \__|IIIIII|__/ | \IIIIII/ | \ / `--------` "The code you delete never truly dies: it becomes the silent foundation of every commit that follows. Viva Open Source!" — Spirit #000dead (Mictlán Relic) 1.…

  • DEV CommunityEN·Dev & web·lu·Francisco Grandón·Il y a 32 minfrais

    GitSéance: An Offline Digital Ofrenda Where Local Gemma Summons Deleted Code (And Refuses to Guess Why It Died)

    .-" "-. / 🌼 🌼 \ | #000dead | |, .-. .-. ,| | )(_o/ \o_)( | |/ /\ \| (_ ^^ _) \__|IIIIII|__/ | \IIIIII/ | \ / `--------` "The code you delete never truly dies: it becomes the silent foundation of every commit that follows. Viva Open Source!" — Spirit #000dead (Mictlán Relic) 1.…

  • DEV CommunityEN·Dev & web·lu·Karen Miller·Il y a 33 minfrais

    Humanoid robots need regular operating environments to move beyond demonstrations

    Humanoid robots need regular operating environments to move beyond demonstrations On October 28, 2026, Gao Wenxin, a communications manager at the Chengdu Humanoid Robot Innovation Center, said humanoid robots still face commercialization bottlenecks and called for more routine…

  • DEV CommunityEN·Dev & web·lu·Rajat Patel·Il y a 1 h

    We Tested 5 Popular Canva Alternatives: Here Is What Actually Works

    Most design tools look great on paper. Then you actually use them with your team. Suddenly, you run into real problems: Your monthly bill jumps because of per-seat fees. Your designs are trapped in a closed cloud format. Or worse, your company will not let you upload private…

  • DEV CommunityEN·Dev & web·lu·Cliqto Media·Il y a 1 h

    Hello from Cliqto Media: what this blog is for

    Disclosure: this post contains affiliate links; we may earn a commission at no cost to you. Cliqto Media now has a blog. We are an independent digital media company, and we have been working since 2020. We build our own brands, websites and tools, and we recommend products we…

  • DEV CommunityEN·Dev & web·lu·Fathom News·Il y a 1 h

    India Telecom Giant Jio Soars 21% As $3.2B Debut Tests AI Plan

    Jio raised about $3.2 billion in its IPO, and its stock jumped more than 21%, putting pressure on its AI and cloud plans to start making real money. Key Takeaways Jio Platforms entered public markets this week, raising about $3.2 billion in the Jio IPO The public listing and…

  • DEV CommunityEN·Dev & web·lu·NetEngineerLab·Il y a 1 h

    VLAN Trunk Troubleshooting: 7 Checks Before You Blame the Switch

    A VLAN trunk can look perfectly healthy while users experience intermittent packet loss, DHCP failures, or connectivity problems between network segments. The interface is up. The link light is green. The trunk appears to be forwarding traffic. Yet something is wrong. In…

  • DEV CommunityEN·Dev & web·lu·Faizal Sukaimi·Il y a 1 h

    Making a component library agent-ready: the ReUI MCP server

    Coding agents are good at writing React. They are bad at knowing your component library. Ask one to "add a data grid with sorting" and it will happily invent a sortable prop that has never existed, or install a package name it made up. The code looks right and fails on the first…

  • DEV CommunityEN·Dev & web·lu·Daniel Meshulam·Il y a 1 h

    Disney, Mastercard and T-Mobile jobs API: the pay ranges inside Workday job pages

    Disney ( disney.wd5 ), Mastercard ( mastercard.wd1 ) and T-Mobile ( tmobile.wd1 ) post their jobs on Workday, behind the JSON search every *.myworkdayjobs.com careers site runs. The list has five fields and none of them is pay: curl -s -X POST…

  • DEV CommunityEN·Dev & web·lu·Tejasvi·Il y a 1 h

    GHOST.exe: A Haunted Terminal from the Other Side of the Machine

    This is a submission for the Hacktoberfest Open-Source AI Challenge Week 4: Ghost in the Machine . What I Built I built GHOST.exe , a spooky, interactive haunted terminal inspired by Halloween and the mysterious side of technology. What if your terminal could talk back?…

  • DEV CommunityEN·Dev & web·lu·Tabsafely Data·Il y a 1 h

    Building a China trending-topics monitor (Weibo, Baidu, Zhihu, Douyin) in 30 lines of Python

    What is China talking about right now ? If you work in PR, brand monitoring, journalism or you feed LLM pipelines, that question means checking six different hot lists: Weibo hot search (微博热搜) , Baidu hot search , Zhihu hot list , Douyin trending , Toutiao and Bilibili — each…

  • DEV CommunityEN·Dev & web·lu·forkcount·Il y a 1 h

    I built a bot that scans dev.to for phishing comments. It found a coordinated campaign. dev.to banned 70+ accounts.

    Two weeks ago, a phishing bot commented on my post. Vietnamese text, on-topic, ending with a link to labagent.tech . Click it and you got a fake dev.to login page. I reported it. Another appeared. Then another. Same pattern, different accounts, all created the same day. So I…

  • DEV CommunityEN·Dev & web·lu·YUANZHI ROBOTICS·Il y a 1 h

    Who can integrate a custom payload on my robot dog? What a payload integrator does and how to choose one

    Short answer: The robot maker's solutions team, a reseller, or an independent payload integrator can do it. For mixed-brand sensors, ROS 2 software or reuse of your own onboard computer, an independent integrator that covers mechanics, power, data, software and testing is…

  • DEV CommunityEN·Dev & web·lu·AnnexOps·Il y a 1 h

    DSGVO-Compliance in der Softwareentwicklung: 6 technische Prüfungen für Entwicklerteams

    Ein praxisorientierter Leitfaden zu Datenschutz, Datenflüssen und Compliance-Nachweisen im Entwicklungsprozess. Datenschutz wird in vielen Softwareprojekten erst dann ausführlich behandelt, wenn ein Produkt kurz vor der Veröffentlichung steht oder eine Datenschutzprüfung…

  • DEV CommunityEN·Dev & web·lu·Philip D'Souza·Il y a 1 h

    A read-only Apple Health token is a scope, not a label

    Read-only is a claim. Scope is the proof. In a health-data agent setup there are two credentials people both call "the token", and they fail in different ways. The pairing secret gates the server. Turn on Agent pairing in the app and set PAIRING_SECRET in the server config.…

  • Symfony BlogFR·Dev & web·lu·Javier Eguiluz·Il y a 2 h

    New in Symfony 8.2: Security Expressions Everywhere

    Security expressions let you use functions such as is_granted() and is_authenticated() to define complex access rules in access_control , #[IsGranted] and other security features. Symfony 8.2 makes these functions available in more expressions , such as validation constraints…

  • DEV CommunityEN·Dev & web·lu·Alex @Bickov·Il y a 3 h

    RIP scrum? Story points in the age of coding agents

    RIP scrum. Scrummed in peace. The agents now ship a feature before the team agrees whether it's 3 or 5 story points. Half joke. Planning poker made sense when a 5 point ticket meant a few days of someone's time. Now Claude Code or Cursor can draft that ticket before lunch, and…

  • DEV CommunityEN·Dev & web·lu·FixsFlow Team·Il y a 3 h

    Spaceship vs Porkbun: The Cheapest .com Registrar in 2026

    Spaceship vs Porkbun: The Cheapest .com Registrar in 2026 If you own a .com domain, the renewal price is where registrars quietly take your money. The first year is cheap almost everywhere — it is the renewal that matters. Two registrars consistently sit at the bottom of the…

  • DEV CommunityEN·Dev & web·lu·Remdore·Il y a 3 h

    Where MongoDB puts the writes it took back

    A MongoDB replica set can tell your app a write succeeded and then lose it. That isn't a bug, it's what the write concern you choose allows. I wanted to see it happen, count it, and find out where the lost writes go, because MongoDB doesn't just throw them away. It writes them…

  • DEV CommunityEN·Dev & web·lu·RelayRouter·Il y a 3 h

    A New AI Model Shipped. Here Is the Small Test I Would Run Before Switching.

    The late-October model cycle creates a useful engineering opportunity: revisit a real application task while the old implementation still gives you a baseline. OpenAI's October 26 changelog announces GPT-6.1 Terra. Its model documentation says tool calling requires the Responses…

  • DEV CommunityEN·Dev & web·lu·Emmanuel Mumba·Il y a 3 h

    Best AI Collaboration Tools for High-Performing Teams in 2026

    AI collaboration tools are changing how teams plan projects, share information, and get work done. But I think there's an important distinction that often gets missed: helping people communicate faster is not the same as helping a team deliver work faster. A tool that summarizes…

  • DEV CommunityEN·Dev & web·lu·jeonyeonkyu·Il y a 3 h

    I built a tool that tells you which Korean government benefits you qualify for

    Korea publishes a lot of government subsidies. Local housing support, youth programs, childcare benefits, energy rebates, and so on. The information is public, but it is scattered across dozens of government pages, and each page has its own format and its own conditions. So I…

  • DEV CommunityEN·Dev & web·lu·SozonDev·Il y a 3 h

    Everything went wrong - SEA OS first try failed

    Hello! If you saw my last post about SEA OS , you probably know that I had started building a kernel and a bootloader. Everything was going pretty well. I could build the project, boot it in QEMU, and see my kernel running. I was slowly getting closer to the things I actually…

  • DEV CommunityEN·Dev & web·lu·hongpengtan0-max·Il y a 3 h

    An AI invented half the memories on an ofrenda card. Ofrenda Keeper writes down only what you said, and asks about the rest

    This is a submission for the Hacktoberfest Open-Source AI Challenge Week 4: Ghost in the Machine Prize categories: Best Use of Gemma, Best Use of Mastra What I Built I asked Gemma 3 to make a Día de los Muertos ofrenda card for "Grandpa Hiro", a made-up grandfather from my test…

  • DEV CommunityEN·Dev & web·lu·Senpeng·Il y a 3 h

    How to Build an AI Dashboard That Tracks a Competitor’s Positioning Over Time

    I rebuilt ten years of Notion’s homepage as a dashboard. The product moved first almost every time. In June 2016, Notion’s homepage called it a tool “made for modern thinkers.” In August 2026 it says “Where teams and agents think together.” Six positioning phases sit between…

  • DEV CommunityEN·Dev & web·lu·Sarah Anderson·Il y a 3 h

    Enterprise AI Vendors Should Sell the Workflow, Not the Ambition

    Enterprise AI Vendors Should Sell the Workflow, Not the Ambition A discussion published on r/artificial on October 28, 2026, at 07:30 UTC points to a practical constraint in China's enterprise AI market: a specific application may be easier to sell than a broad platform. That…

  • DEV CommunityEN·Dev & web·lu·Akash Das·Il y a 3 h

    AI coding tools hid 15 GB on my Mac. I wrote a CLI to find it.

    I had 97% disk space used (about 6GB), and a memory pressure warning. I hadn’t installed any large programs. It turned out I had a lot of caching, session logs and processes from my AI coding tools. I made a CLI tool called unclog . It is Free and Open Source (MIT Licence), for…

  • DEV CommunityEN·Dev & web·lu·Vishvajeet Shukla·Il y a 3 h

    502 Bad Gateway After a Deploy? How to Debug and Roll Back on a VPS (2026)

    You deploy, refresh the page and see 502 Bad Gateway . Users are hitting it too. The worst thing you can do now is start changing things at random over SSH. This post is a playbook: first get the site back (rollback), then find the cause (debugging), then prevent it next time.…

  • DEV CommunityEN·Dev & web·lu·ForgeWorkflows·Il y a 4 h

    AI Incidents Expose Your Team's Oversight Blind Spot

    The Decision Nobody Can Verify Your AI agent just made a call during a production outage. It rerouted traffic, suppressed an alert, or escalated a ticket. In 2026, that scenario is no longer hypothetical for most mid-to-large engineering organizations. The uncomfortable question…

  • DEV CommunityEN·Dev & web·lu·Sebastian Petrus·Il y a 4 h

    Anthropic S-1: Hồ sơ IPO có ý nghĩa gì với nhà phát triển Claude API

    S-1 của Anthropic là bản đăng ký mà công ty đã nộp cho SEC vào ngày 26 tháng 10 năm 2026, cho đề xuất IPO cổ phiếu Class A trên Nasdaq với mã "ANT". Đối với nhà phát triển Claude API, nó không thay đổi gì trong ngày đầu tiên: giá, giới hạn tốc độ và vòng đời mô hình vẫn đến từ…

  • DEV CommunityEN·Dev & web·lu·Tamiz Uddin·Il y a 4 h

    Optimizing Large-Scale MongoDB Aggregation Pipelines: A Deep Dive into Performance Engineering

    Originally published on tamiz.pro . MongoDB's aggregation framework is powerful enough to replace entire ETL pipelines, but at scale it becomes a performance minefield. A pipeline that processes 10,000 documents in milliseconds can grind a replica set to a halt when fed 100…

  • DEV CommunityEN·Dev & web·lu·Mustafa Aydemir·Il y a 4 h

    More Than One Website? 5 Budget Rank Trackers to Consider

    Running three small websites shouldn't mean paying for three separate SEO subscriptions. But a cheap rank tracker can still be a poor fit if its keyword allowance runs out on your biggest site. Screpy, SERPRobot, Wincher, Mangools SERPWatcher and Serpfox are worth comparing. The…

  • DEV CommunityEN·Dev & web·lu·Atayi Gender·Il y a 4 h

    I am an IT student and am Looking for a final year project to do.helpbme identify real life problems within Kampala and how I can solve them using IT.undergraduate level

  • DEV CommunityEN·Dev & web·lu·onepersonrd·Il y a 4 h

    Three documents that keep my AI coding agent honest (free templates + Claude Code skill)

    I run a one-person R&D operation that ships industrial sensing products — analogue boards, microcontroller firmware, PC tools. Most of the typing is done by AI coding agents (mainly Claude Code). They are fast, and for a year they failed in the same four ways: They extended the…

  • DEV CommunityEN·Dev & web·lu·jsmanifest·Il y a 4 h

    TypeScript Tuples in 2026: Labeled Elements, Variadic Spreads, and When a Tuple Beats an Interface

    TypeScript Tuples in 2026: Labeled Elements, Variadic Spreads, and When a Tuple Beats an Interface This article was written with the assistance of AI, under human supervision and review. Most TypeScript engineers reach for interfaces when they need structured data. That reflex…

  • DEV CommunityEN·Dev & web·lu·Suffian Farooq·Il y a 4 h

    What Are WooCommerce License Keys? A Practical Guide for Selling Software

    You sell a digital product on WooCommerce. Maybe it’s software, a theme, or a cool plugin. Someone buys it. Great. Now, how do you stop everyone else from just buying it for free? And how do you make sure only your paying customers get latest updates and support? This is where…

  • DEV CommunityEN·Dev & web·lu·Neel-Vekariya·Il y a 4 h

    What Existed Before React?

    If you are interested in reading about the evolution of technology, then you might know that every technology has its own evolution phases, where the technology evolves more and more over time. In the recent post, we discussed how the ecosystem evolved from a low-level HTTP…

  • DEV CommunityEN·Dev & web·lu·Jarith·Il y a 4 h

    Pi-hole 6.5: ¿actualizar? Seguridad, gravity.db y qué revisar antes

    Resumen Sí, conviene actualizar a Pi-hole 6.5, pero tras unas comprobaciones concretas. A fecha de 2026-10-28, según la página de la release consultada, Pi-hole Core v6.5 es sobre todo un endurecimiento de seguridad: corrige cuatro avisos de severidad alta (CVSS 7.8, 7.8, 7.8 y…

  • DEV CommunityEN·Dev & web·lu·Manny Frank·Il y a 4 h

    Cloud Engineering Companies to Evaluate After Railway’s Secrets Incident

    A leaked credential can affect far more than the application that stores it. Database access, storage permissions, payment integrations, and deployment pipelines may all depend on secrets held by the same platform. For Laravel and cloud application teams, Railway’s October…

  • DEV CommunityEN·Dev & web·lu·Yusuf Khalidd·Il y a 4 h

    Anthropic S-1: ماذا يعني ملف الطرح العام الأولي لمطوري Claude API

    Anthropic S-1: ماذا يعني ملف الطرح العام الأولي لمطوري Claude API بيان التسجيل S-1 الخاص بـ Anthropic هو مستند التسجيل الذي قدمته الشركة إلى هيئة الأوراق المالية والبورصات الأمريكية (SEC) في 26 أكتوبر 2026، وذلك لطرح عام أولي مقترح لأسهم الفئة A في بورصة ناسداك تحت الرمز "ANT".…

  • DEV CommunityEN·Dev & web·lu·Petra·Il y a 6 h

    Cuerpos Soberanos: Metamorfosis del Cuerpo en Datos

    Sovereign Bodies is an interactive installation where a local AI agent turns a moving body into a film. No cloud, no external logging: the body never leaves the room. Qué es Sovereign Bodies: Metamorfosis del Cuerpo en Datos es una instalación interactiva donde el cuerpo del…

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