标签：#AR

Google has released 2D CAD drawings of the Fitbit Air.

Every impressive agent demo skips the same three things: Auth. The demo target is open. The real one has a login and a 2FA prompt. Identity. The demo agent acts as the developer. The real one needs its own email, accounts, and a place to keep secrets. State. The demo is one clean run. The real one has to remember what it did last time and resume. These are not AI problems, which is exactly why they get skipped in AI demos. But they are most of the work to go from "cool clip" to "thing that runs unattended." The model is increasingly the easy part. The unglamorous identity-and-state layer around it is where products actually live or die. Curious whether people think this layer gets commoditized into the foundation models, or stays a separate thing you assemble. submitted by /u/kumard3 [link] [留言]

[ Removed by Reddit on account of violating the content policy . ] submitted by /u/n4r735 [link] [留言]

Operator perspective. I use AI daily across three companies and I am bullish on it, but the gap between what gets shouted on stage and what the data shows is enormous. Best measured number across hundreds of engineers is about 7.8%, and 66% of the people who hit a peak gain saw it fade the next quarter. At the same time, people are being pushed onto it under threat of their jobs while the return is not even proven to the people mandating it. My read is the anger is not really “AI is bad,” it is “my boss profits from me using it and I do not.” Where do you land - is the resistance cognitive (it erodes skill) or economic (the gain is not shared)? submitted by /u/Alternative_Letter72 [link] [留言]

I’ve been using AI pretty heavily for the past few months — quick research, rewriting emails, brainstorming ideas, even helping outline stuff I need to write. It saves so much time and the output is usually decent. But lately I’ve noticed something weird: I’m second-guessing myself way less. I’ll get an answer from it and just kind of roll with it instead of thinking it through like I used to. Yesterday I asked it about something I already had a rough opinion on, accepted its take, and only later realized I didn’t even challenge any part of it. It feels convenient as hell, but also a little unsettling. Like I’m outsourcing the actual thinking part. Is this normal? Or am I slowly losing the habit of thinking deeply on my own? Anyone else feeling this? submitted by /u/pen-pineapple-apple [link] [留言]

Online it feels like every company is fully embracing AI. In reality, most organizations I interact with are still trying to figure out where it fits into existing workflows, processes and software. The interesting conversations aren't usually about models anymore. They're about trust, reliability, permissions, governance and how AI fits into the way people already work. The gap between AI demos and real-world adoption still feels larger than most people realize. submitted by /u/Bladerunner_7_ [link] [留言]

Most API teams treat the contract as an afterthought: write code, generate a spec, then watch the two drift apart. Git-native API design reverses that flow. You treat the API contract as source code, version it in Git, and review every change the same way you review application logic. Try Apidog today This guide focuses on implementation discipline, not a single tool. You’ll design contracts in branches, review them in pull requests, and turn a committed spec into mocks, tests, and docs. The goal is simple: your Git history should also be your API history. If you already know what Spec-First tooling looks like and want the product walkthrough, read the companion piece on the git-native API workflow . This article stays focused on practice. What “git-native” means for API work Git-native means your API definition lives in your repository as a plain text file. Not in a proprietary cloud database. Not behind a vendor login. A .yaml or .json file sits next to your code and is tracked by the same version control system your team already uses. In many cloud-locked API design tools, the contract lives in the vendor’s backend. You edit through a web UI, and your repository only contains an export. That export can become stale, and your Git history no longer explains how the API evolved. The git-native model inverts that relationship: The file in main is the contract. Any GUI is a view onto that file. Branches, commits, pull requests, blame, and rollback all apply to your API surface. Mocks, docs, tests, and generated clients derive from the committed spec. A git-native setup has three core properties: The spec is a text file in the repo. Changes flow through normal Git operations: branch, commit, PR, merge. Downstream artifacts derive from the committed file, not from a separate database. Why design and develop APIs in Git You already trust Git with your code. Your API contract deserves the same treatment. 1. History When someone asks, “When did we add the cursor pagination

TL;DR Day 2 of AI Native DevCon shifted from agent capability to operating discipline. The strongest sessions focused on how teams can run AI-native delivery with clearer context pipelines, measurable agent behavior, safer execution boundaries, and better organizational ownership. The scale showed up in the numbers too. Across the two days, DevCon brought together 650+ in-person registrations, around 2,000 online registrations, and a packed mix of sessions, workshops, hallway conversations, and practical lessons. Day 2 leaned into workshops. That shift mattered because the second day was less about proving agents can do useful work and more about showing how teams can make that work repeatable. Hey there, welcome back. Rohan Sharma here again continuing the devcon series. Day 1 gave us the framing, including Guy Podjarny ’s core point that skills should be treated like real software assets. Day 2 picked up from there and moved into the operating details. Once agents are inside daily engineering work, platform and product teams need to decide what changes first, who owns those changes, and how the results are measured. Talks that shaped Day 2 Harness engineering beyond code Marc Sloan from Tessl focused on the next gap many teams are hitting. Code context is increasingly structured, but product and design context still lives in external systems such as Figma, Notion, and Linear. Pulling that context live can reduce staleness, but it introduces drift in evals, versioning, and reproducibility. The practical lesson was to stop treating external product and design context as random reference material. Teams need a defined layer between the repository and those external systems, with clear versioning so evaluations can be replayed against known context snapshots. Without that, agents can produce work that looks technically correct while missing the product constraint that actually mattered. That is a very expensive kind of almost-right. From vibes to metrics Simon Obstbau

If you've ever built a REST API with Express, you've probably felt it. Middleware registration, type definitions, body parser setup, connecting Joi or Zod... the structure is simple, but the boilerplate is excessive. When I first saw Hono, I was skeptical. "Another Express clone," I thought. That changed when I actually ran it. Bottom line: Hono v4 is more than just lightweight and fast. TypeScript type inference flows naturally all the way to route handlers. Zod validation connects via a single official package. On Bun, response times are noticeably faster than Express. Everything in this post is based on what I ran in a sandbox in June 2026. Why Hono — Compared to Express and Fastify Understanding where Hono fits means answering three questions. Bundle size : Hono v4 core is about 12KB. Express is 58KB, Fastify is 77KB. The gap might not sound dramatic, but in edge environments like Cloudflare Workers or Deno Deploy, bundle size directly affects cold start time. Edge functions sometimes initialize a new runtime per request — smaller means faster first response. Runtime compatibility : Express is Node.js-only. Fastify targets Node.js by default. Hono was designed from the start to "run anywhere." The same code deploys to Bun, Deno, Cloudflare Workers, Node.js, and AWS Lambda Edge. TypeScript support : Express requires @types/express as a separate install, and properties added to req via middleware don't get type inference. Hono is written in TypeScript from the ground up, and the Hono<{ Bindings: Env; Variables: Variables }> generic gives you type-safe access to environment variables and middleware state. I'm not saying Hono is the right choice for every situation. If your team is deeply invested in Express, or you need a mature plugin ecosystem, there's no compelling reason to switch. But if edge deployment is the goal, or you want type safety from day one, Hono is the most convincing TypeScript API framework right now. Installation and First Server — Response in

Smart Lighting Protocol Showdown: Zigbee vs Matter vs BLE Mesh (2026) After deploying thousands of Zigbee smart lights through our manufacturing line at nexLAMP, and watching countless customers struggle with protocol selection, I decided to write this practical comparison. The Real Problem "My smart lights keep disconnecting! I think I chose the wrong protocol..." This is the #1 complaint I see on Reddit, Xiaohongshu, and Zhihu. The fix isn't a better router — it's choosing the right protocol from day one. Protocol Deep Dive Zigbee — The Workhorse Frequency : 2.4 GHz (separate from WiFi) Topology : Star + Mesh hybrid Max devices : 200+ per coordinator Latency : 50-200ms Cost/unit : ~$3.5-5.0 (Tuya Zigbee drivers) Why it wins for lighting: Each node is a repeater → self-healing mesh Ultra-low power → years on coin cell for sensors Mature ecosystem → Tuya, Hue, Aqara, Xiaomi all ship Zigbee The catch: You need a Zigbee gateway (~$15-20). This is the only upfront cost. BLE Mesh — The Budget Option Frequency : 2.4 GHz (shared with WiFi/BLE) Topology : Managed flood mesh Max devices : ~50 (practical limit ~30) Latency : 100-500ms (increases with node count) Cost/unit : ~$2.0-3.5 The flooding problem: Every command is broadcast to every node. With N nodes, you get O(N²) message propagation. Past 30 devices, you'll notice visible lag. Good for: Small apartments (≤ 6 lights), budget projects. Matter — The Future Transport : Thread (preferred) or WiFi Topology : Thread mesh (similar to Zigbee) Max devices : 250+ (theoretical) Latency : 30-150ms (Thread), variable (WiFi) Cost/unit : ~$7.0-11.0 (currently higher) Matter's promise is genuine cross-platform control. But in 2026: Pros: Native HomeKit, Alexa, Google Home support Thread mesh is excellent (when it works) IP-based → easier cloud integration Cons: Thread Border Routers aren't ubiquitous yet Advanced lighting features still evolving Premium pricing for early adoption Cost Analysis (20-Fixture Deployment) Protocol Driv

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