今日已更新 200 条资讯 | 累计 27375 条内容
关于我们

AI 资讯

AI人工智能最新资讯、模型发布、研究进展

14450
篇文章

共 14450 篇 · 第 392/723 页

HackerNews

MSc Thesis – The Limits of Generalized Sync

One of the main challenges related to web development is maintaining state across the client and the server and most web applications have to solve this somehow. Because of this reason, so-called sync engines have become available as they can own a large part of data synchronization. In his MSc thesis, my student Mikael Siidorow looked into the space to find out the limits of generalized sync. He did his study through multiple methods including literature review, interviews, and a case study. In

bebraw 2026-06-24 13:04 👁 3 查看原文 →
Dev.to

Pull OTP and 2FA codes from email with Nylas

One-time passcodes are everywhere: sign up for a service, log in from a new device, confirm an action, and a six-digit code lands in your email. A human glances at it and types it in. An automated flow, a signup script, an end-to-end test, or an AI agent connecting to a third-party service, can't glance at anything. It has to pull the code out of the mailbox programmatically, and that's a surprisingly fiddly job: the code arrives seconds after a trigger, it's buried in a templated email, and every sender formats it differently. This post covers extracting verification codes from two angles: the nylas CLI , which does it for you in one command, and the Email API pattern you build when it's part of a larger flow. I work on the CLI, so the terminal commands below are the ones I reach for when I just need the code. Two ways to get the code There are two paths depending on what you're building. For terminal workflows, local testing, or scripting a login, the CLI has a dedicated nylas otp command that finds the latest code in a mailbox and hands it to you. For an application or an agent that reacts to incoming mail, you build the extraction into your own flow: catch the message when it arrives, pull the body, and parse the code out. The difference is who drives. The CLI is pull-based: you ask for the latest code when you need it. The API pattern is push-based: a webhook tells you a message arrived, and your code extracts the value as part of handling it. Both end at the same place, a string of digits you feed into whatever's waiting for it, but the CLI is the fast path for a developer and the API pattern is the durable path for a product. In practice you use both: the CLI to learn which sender and code format you're dealing with during development, then that same understanding baked into the application pattern for production. Grab the latest code from the CLI When you've just triggered a code and want it now, nylas otp get finds the most recent one in your default accoun

Qasim 2026-06-24 11:45 👁 8 查看原文 →
Dev.to

Verify Nylas webhook signatures to trust your data

A webhook endpoint is a public URL sitting on the internet, and anything on the internet can send it a POST . If your app acts on whatever lands there, an attacker who guesses the URL can forge events: fake an inbound email, trigger a workflow, or feed your system garbage. The fix is to confirm two things before you trust a request, that you own the endpoint and that Nylas actually sent the payload, and both are built into how webhooks work. This post covers verifying webhooks from two angles: the HTTP mechanics your endpoint implements, and the nylas CLI for testing a signature without standing up a server. I work on the CLI, so the terminal commands below are the ones I reach for when I'm debugging a signature mismatch. Two layers of webhook trust There are two separate checks, and they happen at different times. The first is a one-time endpoint challenge: when you register or activate a webhook, Nylas sends your URL a request with a challenge value you echo back, proving you control the endpoint. The second runs on every notification afterward: each delivery carries a cryptographic signature you verify against a shared secret, proving the payload is genuine and wasn't tampered with. You need both because they defend against different things. The challenge stops you from accidentally registering an endpoint you don't own and confirms the URL is live. The signature stops anyone else from posting forged events to that URL once it's known. Skip the signature check and your public endpoint will trust any POST that reaches it, which is the most common webhook security mistake. Pass the endpoint challenge The first time you set up a webhook or flip one to active , Nylas sends a GET request to your endpoint with a challenge query parameter. Your endpoint has to return the exact value of that challenge in the body of a 200 OK response, within 10 seconds, or the webhook won't verify. It's a quick handshake that proves the URL is yours and reachable. // Express: echo the ch

Qasim 2026-06-24 11:44 👁 10 查看原文 →
Dev.to

Connect a user's mailbox with Nylas hosted OAuth

Every Nylas request you make on a user's behalf needs one thing first: their permission. Before you can list a mailbox, send on someone's behalf, or read a calendar, the user has to authorize your application through their provider, and that authorization is what's called a grant. Doing the OAuth dance yourself means registering with Google and Microsoft separately, handling each provider's consent screen, token exchange, and refresh quirks. Hosted OAuth collapses that into one flow that works the same across every provider. This post walks through connecting an account from two angles: the HTTP API your web app uses in production, and the nylas CLI for connecting a test account from the terminal. I work on the CLI, so the terminal commands below are the ones I reach for when I need a grant to develop against. What a grant is A grant is an authenticated connection to a single user's account. When a user authorizes your application, Nylas stores the connection and hands you a grant_id , a stable identifier you pass on every subsequent request to act on that user's email, calendar, or contacts. The grant is the unit of access: one user who connected one mailbox is one grant, and everything you build addresses /v3/grants/{grant_id}/... . Keep two credentials distinct here. Your API key authenticates your application to Nylas and goes in the Authorization header on every request; the grant_id identifies which connected user that request acts on. The API key is yours and stays on your backend, while a grant_id is minted per user when they connect. The grant is also where provider differences disappear. A Gmail grant and a Microsoft grant have different OAuth scopes and token mechanics underneath, but once connected, both are just a grant_id you use the same way. That's the point of hosted OAuth: you run one flow, the user picks their provider, and you get back the same kind of identifier regardless of who hosts the mailbox. Hosted OAuth supports Google, Microsoft, Yahoo,

Qasim 2026-06-24 11:44 👁 9 查看原文 →
Dev.to

Line AI Chatbot In Production: A CTO's Honest Breakdown

Line AI Chatbot In Production: A CTO's Honest Breakdown Three months ago I was staring at our infrastructure bill wondering where the hell our runway went. We'd been running a customer-facing chatbot powered by a popular "enterprise" AI provider, and the cost curve looked like a hockey stick in the wrong direction. Every new sign-up bled money. I knew we had to make a change before our next board meeting, but I also couldn't afford a six-week migration that would tank our product velocity. What I found surprised me. After running the numbers, testing 184 models through Global API, and stress-testing everything at scale, I cut our inference costs by more than half without touching quality. This isn't a theoretical comparison from a vendor whitepaper. These are the real numbers from my production stack, with my actual users, in my actual platform. If you're a CTO weighing your options for 2026, here's everything I wish someone had told me before I started. Why The Line AI Chatbot Approach Matters Now Most chatbot guides treat AI integration like a toy problem. Send a prompt, get a response, ship the demo. That's fine for a hackathon, but it's not how you run a production system. The questions I care about are different: What's my cost per active user? How do I avoid vendor lock-in? Where's the single point of failure? How fast can I iterate on model choice when something better drops next Tuesday? The Line AI Chatbot framework flips the typical approach. Instead of treating the model as a black box you can't replace, you build a thin abstraction layer over a model-agnostic API. That single architectural decision is what unlocked every other win I describe below. If you're not thinking about model portability on day one, you're going to pay for it later. I learned this the hard way. In 2026, the market has matured to a point where you genuinely have 184 models to choose from, with input prices ranging from $0.01 to $3.50 per million tokens. That's not a marketing line.

eagerspark 2026-06-24 11:38 👁 5 查看原文 →
Dev.to

Open Source Project of the Day (#104): AgentScope 2.0 — Alibaba's Production-Ready Agent Framework Built Around Model Reasoning

Introduction "Build and run agents you can see, understand, and trust." This is article #104 in the Open Source Project of the Day series. Today's project is AgentScope 2.0 — Alibaba DAMO Academy's open-source production-ready agent framework. The agent framework space is crowded. LangChain centers on chain-based orchestration. AutoGen centers on multi-agent conversation. CrewAI centers on role-based collaboration. AgentScope's differentiation is in its design philosophy: when LLM reasoning is strong enough, the framework should step back rather than constraining the model's decision space with rigid pipelines. AgentScope 2.0 adds the production infrastructure that philosophy requires: event system, permission controls, multi-tenant isolation, sandbox execution, middleware hooks. The goal is not a demo that runs — it's a system that ships. What You'll Learn AgentScope 2.0's design philosophy: why "model-led" over "fixed pipeline" The five core systems: Event / Permission / Multi-tenancy / Workspace / Middleware Agent Team pattern: how the Leader-Worker architecture handles complex tasks Permission system fine-grained control: tool call approval and boundary configuration Positioning differences vs. LangChain and AutoGen The full ecosystem: AgentScope Runtime, ReMe, OpenJudge, Trinity-RFT Prerequisites Familiarity with LLM agent concepts (tool use, reasoning loop) Basic Python async programming Experience with LangChain or AutoGen helps with positioning comparison Project Background What Is AgentScope? AgentScope 2.0 is a production-ready agent framework — "an agent development platform with essential abstractions, designed to work with rising model capability, with built-in production support." The core problem it addresses: traditional agent frameworks constrain LLMs with rigid pipelines and opinionated prompt templates. As LLM reasoning capability has improved rapidly, that constraint has become a bottleneck. AgentScope shifts to "letting the model's native reason

WonderLab 2026-06-24 11:35 👁 8 查看原文 →
Dev.to

GEO: Wie du dafür sorgst, dass ChatGPT & Co. deine Seite zitieren

Dein bestes Google-Ranking ist wertlos, wenn die Antwort schon vor dem Klick gegeben wurde. Genau das passiert gerade: Nutzer fragen ChatGPT, Claude oder Perplexity – und bekommen eine fertige Antwort mit drei, vier zitierten Quellen. Bist du nicht darunter, existierst du in diesem Moment nicht. Kein Ranking, kein Klick, keine zweite Chance. Die Disziplin, die das adressiert, heißt Generative Engine Optimization (GEO) . Und sie ist – anders als der Marketing-Lärm vermuten lässt – zu großen Teilen ein Engineering-Problem. Crawler-Zugang, Rendering, strukturierte Daten. Lauter Dinge, über die ein Entwickler entscheidet, nicht das Content-Team. SEO optimiert auf den Klick. GEO optimiert auf das Zitat. Der Unterschied ist nicht kosmetisch. Klassisches SEO will, dass du auf Platz eins rankst, damit jemand klickt. GEO will, dass ein Sprachmodell deinen Absatz wörtlich in seine Antwort übernimmt – inklusive Quellenangabe. Der Klick ist nur noch Bonus. Daraus folgt ein anderer Tech-Stack an Signalen: Aspekt Klassisches SEO GEO / KI-Sichtbarkeit Ziel Top-10 in Google Zitat in ChatGPT, Claude, Perplexity Relevante Bots Googlebot, Bingbot GPTBot, ClaudeBot, PerplexityBot Index-Hinweis sitemap.xml llms.txt + sitemap.xml Strukturierte Daten Rich Snippets Entity-Linking ( Organization , sameAs , @graph ) Rendering Google rendert JS (verzögert) viele KI-Bots rendern kein JS → SSR Pflicht Erfolgskontrolle Search Console, Rank-Tracker Citation- & Mention-Tracking in LLMs Die Hebel überschneiden sich – sauberes HTML, schnelle Antwortzeiten, valides Markup helfen beidem. Aber die Bots, die Index-Signale und die Erfolgskontrolle sind eigenständig. Wer GEO als „SEO mit neuem Namen" abtut, übersieht genau die Stellen, an denen es klemmt. Schritt 1: Lass die Bots überhaupt rein Bevor du über Content-Qualität nachdenkst, klär die banale Frage: Kommt der Crawler durch? Erstaunlich oft lautet die Antwort nein – und niemand merkt es, weil ein Browser die Seite ja problemlos lädt. Die drei Use

Slawa 2026-06-24 11:27 👁 10 查看原文 →
Dev.to

How to Automate Your Business Workflows Without Hiring a Full Dev Team

You don't need a 5-person engineering team to run like one. Here's how small businesses are cutting manual work — without the overhead. The Problem Nobody Talks About Openly You're running a business. You have leads coming in from your website, follow-up emails to send, invoices to track, onboarding tasks to assign — and somehow, you're still doing most of it manually. You've probably heard the advice: "Just hire a developer." But a full-time developer costs $60,000–$120,000/year in the US. A dev team? Multiply that by four. For a growing small business, that's not an option yet. Here's what nobody tells you: you don't need a full dev team to automate 80% of your operations. You need the right tools — and someone who knows how to connect them. What "Workflow Automation" Actually Means (No Jargon) Workflow automation is just this: if X happens, do Y automatically — without you touching it. Some real examples: A new lead fills out your form → they get an automated welcome email + a task is created for your sales rep An invoice is marked paid → a receipt is sent + your spreadsheet updates + a Slack message goes to your finance channel A support ticket comes in → it's categorized, assigned, and a reply is sent based on the topic You already know these need to happen. Automation just removes you as the middleman. The Modern Stack: 4 Tools That Do 80% of the Work 1. Zapier / Make (formerly Integromat) These are no-code automation platforms. Think of them as the "if this, then that" engine for your apps. Connect 5,000+ apps (Gmail, Shopify, Notion, Slack, HubSpot, etc.) Build multi-step automations visually — no coding needed Best for: Email triggers, form responses, basic data sync Cost: Free tier available; paid from ~$20/month 2. Salesforce (with OmniStudio / Flow) If your business is scaling or you're in B2B sales, Salesforce isn't just a CRM — it's an automation engine. Flow Builder lets you automate record updates, approvals, emails, and task assignments visually Omn

Peter Parser 2026-06-24 11:26 👁 9 查看原文 →
Dev.to

How Solana Processes Transactions — And How to Make Them Faster

If you've ever sent a transaction on Solana and wondered why it landed instantly one time and struggled another, you're not alone. Solana is incredibly fast, but how your transaction enters the network matters just as much as what you're sending. In this article, we'll break down Solana transaction processing in plain English — no developer jargon — and explain why landing services like Lunar Lander and Astralane can dramatically improve speed and reliability. The Big Picture: How Solana Handles Transactions At a high level, Solana works like this: You submit a transaction The network decides which transactions get processed first A validator includes your transaction in a block The transaction is finalized on-chain The key detail most users don't see is step #2 — how Solana decides which transactions get priority when the network is busy. That decision is driven by something called Stake-Weighted Quality of Service (QoS) . Stake-Weighted QoS (Explained Like You're Not a Developer) Solana has a built-in traffic management system. Think of it like traffic control for a highway. A Simple Analogy Imagine a highway with two lanes: 🚗 Fast lane (priority access) 🚙 Regular lane (everyone else) Solana prioritizes transaction traffic based on stake, meaning traffic originating from or routed through high-stake validators is more likely to be processed during congestion. Why? Because validators that stake SOL are financially invested in keeping the network healthy. Giving them priority helps protect Solana from spam and overload. What This Means for You Transactions that enter Solana through stake-backed paths have a much higher chance of landing quickly Transactions that enter through generic or overloaded RPCs compete for a smaller slice of capacity During congestion, non-priority transactions are more likely to be delayed or dropped This is the core idea behind Solana's stake-weighted QoS system. Where Transactions Usually Go Wrong Most wallets and apps send transactions t

FrogLabs 2026-06-24 11:25 👁 10 查看原文 →
Dev.to

Notes on adversarial paraphrasing: a paper review

Just finished reading Saha et al. arXiv 2506.07001 on adversarial paraphrasing for AI detector evasion. Key claim: detector-guided paraphrasing with RoBERTa as reward reduces TPR by 87.88 percent across Binoculars, Fast-DetectGPT, Ghostbuster, RADAR, GPTZero. Universal, training-free. What surprised me: the approach works even on detectors that were trained with adversarial examples baked in. Suggests the discriminator signal is fundamentally narrower than the generator space. Open questions: Does this generalize to detectors using surprisal variance (DivEye 2509.18880)? Multi-LLM round-robin generation: would mixing 3-4 models in pipeline give even more headroom? Token-level homoglyph substitution (SilverSpeak) is trivially detectable via Unicode normalization, but adversarial paraphrasing leaves no such forensic signal.

Courtlyn Deitch 2026-06-24 11:24 👁 8 查看原文 →
Dev.to

I was tired of heavyweight dev tools — so I built my own

I'll be honest — I didn't set out to build a developer tool. I'm an engineer by trade. I build structural and forensic engineering software. C++, WinUI 3, heavy desktop apps. But a big chunk of my prototyping and internal tooling happens in Python — and every time I sat down to spin up a quick Python desktop app, I hit the same wall. Every launcher, every hot-reload tool, every dev cockpit I found wanted something from me. Install this. License that. Set up a virtual environment. Add five dependencies just to watch a file change. I just wanted to run my app, see it update when I changed something, and get back to work. So I built ILX Launcher. The rule I gave myself was simple: pure Python stdlib and tkinter. Nothing else. If it couldn't be done with what Python already ships with, I didn't need it. What came out of that constraint surprised me. No pip install. No virtual environment required. No licensing headaches. You clone it, you run it, it works. That's it. It's a developer cockpit for Python desktop apps — run, hot-reload, test, profile, and ship, all from one place. The kind of tool I wished existed six months ago. It's early. It's rough around the edges. But it works, and it's already saving me time every single day. If you've ever felt like your dev tooling was getting in the way of actually building — I'd love for you to try it and tell me what you think. 👉 github.com/ilxstudio/ILX-Launcher And if it saves you even five minutes — drop a ⭐ on the repo. It genuinely helps others find it.

ILX Studio, LLC 2026-06-24 11:21 👁 10 查看原文 →
Dev.to

Supercharge your AI Coder with a code-graph

One of the most powerful upgrades you can give any AI developer Introduction AI coding assistants are dazzling on a single file and surprisingly lost on a large one. Point a capable agent at a mature, multi-package codebase and you watch the same pattern every session: it greps for a symbol, opens a dozen files to work out how they fit together, and burns a large slice of its context window simply rediscovering the shape of the system before it can do any actual work. That orientation phase — the crawling, the grepping, the file-by-file reconstruction of structure the codebase already encodes — is the single biggest waste of tokens in most AI-assisted workflows. And it repeats every session, because nothing persists. The fix is straightforward: give the agent a map. Model your codebase as a knowledge graph and let the agent query the map instead of crawling the territory. This article explains what that looks like, why it works, and what it actually finds when you run it on a real system. TL;DR A code-graph should map your architecture not just your code. Converting grep to graph minimises token usage and saves you time. Find bugs, security mistakes, and omissions in your codebase in seconds. Plan upgrades quickly and with far more accuracy. Using deep-memory's vocabulary simplifies usage for your AI. Use deep-memory free. Check out the full example code-graph-guide.md What is a code-graph A code-graph is a graph database representation of your system. I use the word system and not code deliberately — the real power comes from driving architectural insights, not just building a faster file search. Code graphs are becoming popular. There are some impressive repositories where the author has scripted a process to mirror a codebase into a graph DB, capturing files, imports, and call relationships. That approach is useful for dependency visualisation. But mirroring syntax only scratches the surface. What separates a useful code-graph from an elaborate directory listing

Tim Wheeler 2026-06-24 11:19 👁 7 查看原文 →
Dev.to

Building an AI Side Project That Actually Ships — Lessons from Shipping 3 MVPs

I remember the exact moment my first AI side project died. It was 3 AM, I had just spent two full weeks building an elaborate RAG pipeline with vector databases, custom embeddings, and a fine-tuned model—all for a tool that would "revolutionize how developers read documentation." I hadn't written a single line of user-facing code. I hadn't even validated if anyone wanted it. And when I finally deployed it to a hobby server, the cost of hosting the model alone was $200/month. I killed the project before anyone ever visited the URL. That was three months ago. Since then, I've shipped three AI side projects that actually have users. Not millions—but real people who use them daily. Two of them even cover their own hosting costs now. The difference? I stopped trying to build the perfect AI infrastructure and started shipping the stupidest thing that could work. Here's what I learned from those three MVPs, and how you can break out of the "AI side project graveyard" too. The Trap: Thinking You Need to Build Everything The biggest lie in the AI side project space is that you need to own the stack. Every tutorial screams "self-host Llama 3," "set up your own vector database," "build a custom agent framework." That's great for learning, but it's death for shipping. For my second project—a tool that automatically generates commit messages from diffs—I spent exactly one evening. I used the OpenAI API directly, with no caching, no streaming, no error handling. Here's the core of it: import openai import subprocess def get_diff (): result = subprocess . run ([ " git " , " diff " , " --cached " ], capture_output = True , text = True ) return result . stdout def generate_commit_message ( diff ): response = openai . chat . completions . create ( model = " gpt-3.5-turbo " , messages = [ { " role " : " system " , " content " : " Write a concise git commit message summarizing the changes. " }, { " role " : " user " , " content " : diff } ] ) return response . choices [ 0 ]. message .

Shaw Sha 2026-06-24 08:55 👁 6 查看原文 →