今日已更新 69 条资讯 | 累计 38346 条内容
关于我们

标签:#art

找到 1975 篇相关文章

AI 资讯

Building an AI-Powered Innovation Wormhole: Transferring Solutions Across Industries Instead of Reinventing Them

Innovation is often described as the creation of something entirely new. In reality, many breakthrough ideas are simply successful mechanisms transferred from one domain into another. Nature inspired aerospace engineering. Video game matchmaking algorithms influenced logistics. Immune systems inspired cybersecurity. Financial risk models are now being applied to supply chain resilience. The challenge isn't a lack of ideas. The challenge is discovering where those ideas already exist. The Innovation Gap Organizations spend billions of dollars every year on research and development while unknowingly solving problems that have already been solved somewhere else. Traditional consulting typically searches inside the client's industry. Traditional search engines retrieve documents. Traditional LLMs generate text. None of these systems are explicitly designed to answer a much more valuable question: Which proven mechanism from an entirely different industry can solve my problem? This question became the foundation of what I call the Innovation Wormhole . From Knowledge Retrieval to Mechanism Transfer Instead of retrieving documents, the system retrieves mechanisms . Instead of matching keywords, it matches problem structures . Instead of generating ideas from scratch, it transfers validated solutions between industries. Imagine a manufacturing company struggling with predictive maintenance. Rather than searching only industrial papers, the platform might discover that astronomical signal processing uses nearly identical anomaly detection techniques. The recommendation isn't merely: "Read this paper." It becomes: Why the solution works Which assumptions remain valid Required modifications Technical risks Expected ROI Evidence supporting the transfer This is knowledge transfer rather than information retrieval. The Core Architecture The platform is organized as a pipeline of specialized reasoning modules. 1. Problem Decomposition The customer's problem is transformed into a

2026-07-30 原文 →
AI 资讯

Mastering Hive in Flutter: A Step by Step Beginner's Guide to Fast Local Storage

Introduction When building a Flutter application, you'll often need to store data on the user's device. For example: Saving user preferences Storing login information Caching API responses Creating offline applications Building note-taking or to-do apps While there are several local storage solutions available, Hive is one of the fastest and easiest local storage for Flutter developers. In this tutorial, you'll learn Hive from scratch by building a simple example. No prior database knowledge is required. What is Hive? Hive is a lightweight, NoSQL database written entirely in Dart. It stores data directly on the device, making it perfect for Flutter applications. Why use Hive? Extremely fast Works offline No native platform code required Simple API Easy to learn Great for small and medium-sized applications Think of Hive as a collection of boxes where each box stores your application's data. Hive ├── User Box ├── Settings Box ├── Notes Box └── Products Box Each Box is similar to a table in traditional databases. Step 1: Create a Flutter Project Create a new Flutter project. flutter create hive_demo Open the project. cd hive_demo Step 2: Install Hive Open pubspec.yaml and add the following packages. dependencies : flutter : sdk : flutter hive : ^2.2.3 hive_flutter : ^1.1.0 Then install them. flutter pub get Step 3: Initialize Hive Before using Hive, initialize it inside main() . import 'package:flutter/material.dart' ; import 'package:hive_flutter/hive_flutter.dart' ; void main () async { WidgetsFlutterBinding . ensureInitialized (); await Hive . initFlutter (); await Hive . openBox ( 'settings' ); runApp ( const MyApp ()); } Here we open a box called settings . Step 4: Understanding Boxes A Box is where Hive stores data. Imagine this box: Settings Box theme -> dark username -> Alex loggedIn -> true Keys are on the left. Values are on the right. Step 5: Save Data Saving data is incredibly simple. var box = Hive . box ( 'settings' ); box . put ( 'username' , 'John' );

2026-07-30 原文 →
AI 资讯

I run a registry that tracks 218 AI and SaaS tools. 18 are already dead or dying - here are the patterns

A month ago I shipped Verdict ( https://verdict.tools ), a registry that tracks the life-status of AI and SaaS tools: alive, price-hiked, degrading, sunset-announced, or dead. Every status carries a date and a source, reachability is re-checked twice a day from two servers, and a "dead" verdict is only ever set by a human. The registry now holds 18 confirmed deaths and sunsets, plus a set of dated decline signals on tools that are still alive. Cataloguing them turned up patterns I did not expect. Sharing the five that surprised me most. 1. The two-day goodbye is real Xembly, a Seattle "AI chief of staff" that raised about 20M USD and counted Salesforce and Twilio among customers, told users on May 30, 2024 that the service would end June 1, 2024. Two days. Anything not downloaded by May 31 was gone. The epilogue is grimmer: the lapsed xembly.com domain now hosts an Indian cricket betting site. If your workflow depends on a venture-backed tool, your real SLA is however fast you can export. 2. An acqui-hire is usually a death sentence for the product The pattern repeats with minor variations: Rephrase.ai -> Adobe (Nov 2023): signups closed, wind-down announced Feb 2024, site now fully offline Play.ht -> Meta (Jul 2025): product shut down Dec 31, 2025 Papercup -> RWS (Jun 2026): RWS bought only the IP; the standalone product is gone Clockwise -> Salesforce (2026): product unavailable since March 27, 2026 The press release always says "we're joining X to continue the mission." The product's mission ends anyway. When your vendor gets acqui-hired, start the migration that week. 3. The consumer app dies first; the API gets a stay of execution OpenAI shut down the Sora app on April 26, 2026, but the Sora API keeps running until September 24, 2026. That five-month gap is the migration window for developers, and it is closing. The same staging shows up elsewhere: user-facing surfaces are expensive to run and easy to kill; contracts and integrations buy the API extra months. I

2026-07-30 原文 →
AI 资讯

‘No one’s making a phone like this’: Light’s co-founders on building for the anti-smartphone generation

With the Light Phone, Kaiwei Tang and Joe Hollier have spent over a decade exploring the value of simplicity in our relationship to technology, partnering along the way with players like Andrew Yang, Kendrick Lamar, and Pete Davidson. Now, with a new flip phone and a growing wave of “attention activists” pushing back against Big Tech, they think the rest of […]

2026-07-29 原文 →
开发者

KNX Motion-Sensor Automations in Home Assistant

A note before the post: the mistake in the first section is genuinely mine. It cost me an evening of forking conditions in Home Assistant before I accepted the fix didn't belong in Home Assistant at all. I've left it in rather than writing around it, because it's the part I'd have wanted to read first. The first time motion-controlled lighting actually worked in my place, it didn't feel clever. It felt obvious — I walked into a dark hallway and the light was already on by the time I'd registered it was dark. That's the bar. Not smart , just attentive. Getting there with seven KNX motion sensors took me less code than I expected and one insight I wish I'd had on day one. This is Part 05 of the series. The earlier parts cover the boring-but-load-bearing groundwork: running Home Assistant in Docker and wiring up HACS . Here I'm assuming HA is up, talking KNX, and you just want the lights to behave. One sensor, two jobs, two addresses Here's the mistake I made, and it's the whole reason this post exists. KNX exposes each motion sensor to Home Assistant as a binary_sensor with device_class: motion , fed by a KNX group-address state object you configure in knx.yaml with a state_address per sensor. Simple enough. So I wired all seven sensors with one group address each and pointed both the lighting automation and the presence logic at the same signal. That works right up until you want the two to behave differently. A light should react to the smallest twitch, instantly, generously. Presence and security want the opposite: a debounce, a grace window, some scepticism before they commit. When both ride the same group address, every change you make to one quietly deforms the other. I spent an evening forking conditions in Home Assistant trying to make one signal mean two things. The fix isn't in Home Assistant at all. It's in ETS: give each physical PIR a second group address . One drives comfort lighting, the other feeds presence and the alarm path. I use a flat convention —

2026-07-29 原文 →
AI 资讯

Displaying async values in Flutter

The build method in Flutter widgets is synchronous. That means it doesn’t like to wait for anything. But sometimes, we need to wait for a value to arrive in order to display it. Let’s think of a simple weather app that displays only the temperature of a city. The app needs to make a request to the backend, get the temperature value, and finally display it. It will have to wait for a response from the backend, but as we discussed, the build method does not like to wait for anything. So how do we solve this issue? Enter: FutureBuilder . FutureBuilder takes a value of type Future and displays widgets until it is resolved. In fact, we can specify which widgets to display not only while loading but also when an error occurs. Let’s see how we can use FutureBuilder in a simple app. First, create an app in a directory of your choice: flutter create future_builder --platforms = macos You can choose whichever platform you want. Open the project in your preferred IDE, and navigate to lib/main.dart . Replace the entire content of the file with the following: import 'package:flutter/material.dart' ; void main () { runApp ( const MyApp ()); } class MyApp extends StatelessWidget { const MyApp ({ super . key }); @override Widget build ( BuildContext context ) { return MaterialApp ( home: const MyHomePage ()); } } class MyHomePage extends StatelessWidget { const MyHomePage ({ super . key }); Future < int > _getTemperature () async { await Future . delayed ( Duration ( seconds: 3 )); // Dummy delay of three seconds. return 25 ; } Future < int > _getTemperatureError () async { await Future . delayed ( Duration ( seconds: 3 )); throw Exception ( 'An error occurred while retrieving the temperature value.' ); } Future < int ? > _getTemperatureEmpty () async { await Future . delayed ( Duration ( seconds: 3 )); return null ; } @override Widget build ( BuildContext context ) { return Scaffold ( body: Center ( child: FutureBuilder ( future: _getTemperature (), builder: ( context , snapshot )

2026-07-29 原文 →
AI 资讯

Presentation: Getting Rid of LeetCode Interviews in the World of AI

Daniel Doubrovkine explains why traditional LeetCode whiteboard interviews fail to evaluate senior engineering talent. He discusses his own experience bombing basic algorithm tests despite decades of leadership, and shares actionable frameworks for redefining the interview loop. Discover how evaluating human judgment, system design, and hands-on AI collaboration yields far better hiring signals. By Daniel Doubrovkine

2026-07-29 原文 →
AI 资讯

The "Launch Spike" is a Memory Leak for Solo Founders. How do we fix this?

We need to talk about the way we launch products, because right now, the architecture is fundamentally flawed. Launching on the standard major platforms today is the marketing equivalent of renting RAM. You get a massive spike in resources on Day 1, it looks amazing on your dashboard, but by Day 30, the garbage collector comes along and wipes your traffic back to zero. I recently dug into the analytics of 2026 SaaS launches, and the reality is brutal: a directory launch is just borrowed reach. You are renting a platform's homepage for 24 hours. Worse, the ecosystem has become a pay-to-win script. Funded startups are paying "launch agencies" $2,000+ to optimize their assets, schedule their upvotes, and game the leaderboards. As solo developers, we don't need a 24-hour spike. We need persistent state . We need SEO and dofollow backlinks. A backlink from a high Domain Authority site compounds over time. A "Product of the Day" badge is just /dev/null a week later. I got so annoyed by this that I started hacking on a concept called Flamas (flamas.io) to see if a "backlinks over badges" model could actually work. The idea is to build a daily board that rewards genuine maker upvotes with permanent SEO value, rather than just a 24-hour traffic burst. But I’m stuck on the system design and need your ideas: If you were building a community-driven launch board from scratch, how would you design the ranking algorithm? What parameters or rate-limits would you use to ensure it stays fair for solo devs and bulletproof against paid bot agencies? Drop your logic in the comments. I’m treating this as an open whiteboard and want to build the solution based on how actual founders think. 👇

2026-07-29 原文 →
AI 资讯

The AI Hype Index: Unsexy AI

It feels bad enough when an open letter signed by leading economists warns that AI might steal your job. The fact it may soon be better than you at making dinner? Insult to injury. But that’s exactly what the company 1X promised when it showed off a pair of new, impressively dexterous (and, to some,…

2026-07-29 原文 →
AI 资讯

Running Shape Up in Jira or Linear quietly turns it back into Scrum

Process mismatch In tools built for Scrum, a task is an input: something you file, size, and work on. In Shape Up, a task is an output — something discovered while building work that was already shaped and bet on. That's the core mismatch, and it plays out differently depending on the tool. Jira Jira does exactly what it was built to do. Its shape is Scrum's shape: a backlog, estimates, sprints. Teams bring Shape Up in anyway and try to make it fit the tool's shape. A scope becomes an epic. A task becomes a ticket. The pitch — Shape Up's document for a problem, its appetite, and a proposed solution — has no equivalent object in Jira, so it ends up living in a Confluence doc, disconnected from the work it's supposed to govern. The substitutions are each small and reasonable on their own: An estimate field is there, so it gets filled in — and the velocity report looks broken without it. Losing bets need somewhere to go, so they land in the backlog. They aren't dead, they're waiting — and now someone has to groom them. Appetite ("how much is this worth") quietly reverts to estimate ("how long will this take"). Before long, the team is running Scrum, with a backlog-refinement meeting back on the calendar. The tool's requirements pull the ceremonies back in. Linear Linear is fast and well made. It even has cycles. The mismatch here isn't a quality problem — it's an inheritance problem. Linear carries the same assumptions as Scrum, just executed better. When a cycle ends with work unfinished, Linear rolls it forward automatically into the next one. It's meant as a convenience feature. It's also the inverse of Shape Up's circuit breaker. Shape Up's bet is that the deadline is real. The whole mechanism depends on a hard stop forcing a decision — cut the scope and ship what's done, while there's still time to make that call. A tool that quietly carries unfinished work forward removes the one moment the method needs. Every six weeks, it says: the deadline was just a suggestio

2026-07-29 原文 →