今日已更新 253 条资讯 | 累计 41930 条内容
关于我们

标签:#t

找到 19961 篇相关文章

AI 资讯

CanvasKit Layout Traps: The Unbounded Constraint Bug That Only Blanks Release Builds

I shipped eight card and casino games to my portfolio in a single commit — solitaire, roulette, video poker, slots, baccarat, keno, war, higher-lower. All client-side Flutter web, all free, all deployed to Firebase Hosting in one push. flutter analyze was clean. I read the diff twice. The build succeeded. I deployed. Then I opened /games/roulette on the live site and got a page with a header, a subtitle, a bankroll readout, a spin button — and a completely blank rectangle where the betting board should have been. No red error screen. No console exception. No 404. Just an empty region the size of the thing that was supposed to be there, on a page where everything else rendered perfectly. The cause was one enum value: CrossAxisAlignment.stretch on a Row that, four widgets up the tree, was sitting inside a scroll view. In debug that combination throws a loud, well-written framework error. In release the assertion that produces that error doesn't exist, so nothing throws at all — the framework computes with infinity and paints nothing. A layout contract violation is not a type error, and no amount of static analysis is going to find it for you. This post is that bug in full, the family of unbounded-constraint traps it belongs to, why debug builds give you a false sense of safety, and the verification discipline I now refuse to skip. Eight games shipped, one board rendered nothing The symptom is worth describing precisely, because it's what makes this class of bug so slow to diagnose. The route loaded. The page scaffold — nav, page header, back link, related-games strip — was all there and correct. Analytics fired the pageview. The bankroll, the chip selector and the spin control rendered. Only the number grid, the largest single widget on the page, drew nothing at all. The space it occupied wasn't even collapsed to zero; it was just empty. The browser console was clean. Not "clean apart from a warning" — genuinely empty. Chrome DevTools' Elements panel showed what it al

2026-09-04 原文 →
AI 资讯

Dungeons & Dragons is getting a ‘Ravenloft’ live-action Netflix series

A Ravenloft series is currently in development from executive producer Alfonso Cuarón, writer and executive producer John August, and Hasbro Entertainment, Deadline reports. It could bring to life one of Dungeons & Dragons' most iconic campaign settings, which got an update earlier this year with Ravenloft: The Horrors Within. Netflix's Ravenloft series will reportedly center […]

2026-09-04 原文 →
开发者

SQL Starters

Hi Folks , In this article, I'm going to share my learnings in SQL . Install MySQL Workbench editor from **MySQL Downloads **found in internet. After Installation, Open MySQL Workbench Click on '+' icon to create new sql editor Click on import icon present on top in sql editor workbench After importing, See the data, schema tables present in left side panel We see the sql editor workspace, result Grid,output view. How to display data present in result table ? Use SELECT '*' as Keyword FROM table_name Ex: SELECT * FROM moviesdb.movies; Instead of moviesdb.movies we can use movies as name. Follow the steps below: Go to the left panel where movie data present, select movie data table -> Right click on default schema it highlights in bold -> Then, Write query as, SELECT * FROM movies Method - 2 USE moviesdb SELECT * FROM movies; Here we're using ' USE ' Keyword How can we check how many rows are present after writing query ? Just go to output view present in MySQL Workbench editor (present below to the result Grid) you can see there (or) Check with Excel sheet using filter option to check how many rows are present. Suppose we're writing query but we don't know recieved output is right or wrong. We can check with our excel sheet data using filter option if it matches with our output rows then our query is correct this is how we can debug and check ✅ output. There are some inbuilt clauses present in SQL 1.WHERE 2.COUNT 3.DISTINCT (for unique values) 4.LIKE 5.% - Wildcard Search Ex: %movies% Gives the movies data present anywhere in the sentence %movies - Returns movies data present starting at the sentence %movies - Returns of movies present at last in the sentence Ctrl + Scroll UP - Zoom in SQL Editor Database - Collection of rows and columns in tabular format with schema it has duplicate ids, unique ids in different formats like excel, .sql etc. How to save all written queries ? Write all queries at one place and highlight each query, do the next steps mentioned below,

2026-09-04 原文 →
AI 资讯

Google Search Agents Signal a Shift From Queries to Background Tasks and Transactions

Google is preparing to make Search more agentic: instead of only returning results for a query typed by a person, persistent AI agents will be able to monitor information, evaluate options and take certain actions on a user's behalf. For businesses, that raises a practical question. Is the information on your website clear enough for an AI system to understand, compare and potentially act on? In its official announcement on a new era for AI Search , Google outlined Search agents that can work in the background around user-defined criteria. The company says the first category, information agents, will monitor topics across blogs, news and social content in real time, then provide updates and trigger potential actions. Google also described agentic tasks such as booking local experiences and services, including calls to businesses on a user's behalf. This is a confirmed product direction and rollout plan, not merely a prediction about how search might evolve. It does not mean traditional search results disappear. It does mean that a growing share of discovery could be mediated by systems that do more than retrieve links. They may identify a need, gather relevant details, compare available options and move a task toward completion. What Google is rolling out Google says information agents will launch first for Google AI Pro and Ultra subscribers in summer 2026. Wider availability in the United States is planned later in the season. The agents are intended to operate continuously, rather than only when a person opens Search and enters a new prompt. The initial use case is information monitoring. A user could define a topic and criteria, then have an agent follow relevant material across the web and report back when conditions change. Google also described a broader path toward actions, including booking and transactions. Shopping is part of that path, with Google saying it intends to expand agentic capabilities so actions can be completed through providers. Search capab

2026-09-04 原文 →
AI 资讯

The State of Open-Source ERP in 2026: Why Enterprises Are Rethinking Proprietary Business Software

Enterprise resource planning has traditionally been associated with large vendors, complex implementations, long contracts, and significant licensing investments. For decades, companies evaluating ERP systems were likely to encounter names such as SAP, Oracle, Microsoft Dynamics, and other established commercial platforms. That model is not disappearing. But the assumptions behind it are changing. In 2026, enterprises have more choices than simply selecting between competing proprietary ERP vendors. Open-source platforms such as ERPNext, Odoo, and other business application ecosystems have become credible alternatives for organizations that want greater control over their software, more flexible customization, and different approaches to total cost of ownership. At the same time, SaaS pricing, vendor lock-in, integration complexity, cloud adoption, data ownership, and increasingly capable development tools are changing how businesses think about enterprise software. This does not mean open-source ERP is automatically better. It means the ERP decision deserves to be reconsidered. The question is no longer simply: Which ERP vendor should we buy from? Increasingly, organizations are asking: How much control should we retain over the software that runs our business? What Is Open-Source ERP? Open-source ERP is enterprise resource planning software whose source code is made available under an open-source license that grants defined rights to use, inspect, modify, and distribute the software. The practical implications depend heavily on the specific project's license. For an enterprise buyer, however, the important distinction is that open-source software can provide a level of visibility and extensibility that proprietary software may not. A simplified comparison looks like this: Proprietary ERP Business │ ▼ Vendor Software │ ├── Vendor controls source ├── Vendor controls roadmap ├── Vendor controls licensing └── Vendor controls many upgrade decisions Open-Source ERP Busi

2026-09-04 原文 →