submitted by /u/mostaptname [link] [留言]

Full-duplex voice for ChatGPT Discussion | Link

AI is becoming a powerful part of modern software development. But I've realized that getting high-quality code isn't just about writing better prompts—it's about giving AI the right guidance. That's where Modern Web Guidance caught my attention. Instead of generating code that simply works, it encourages AI to produce HTML, CSS, and JavaScript that follow modern web standards. The result is code that is: More accessible Easier to maintain Better performing Closer to production-ready quality As a Front-End Engineer, I think this is an important shift. Rather than treating AI as a code generator, we can treat it as a development partner that follows the same engineering standards we do. This means fewer outdated patterns, better semantic HTML, improved accessibility, and cleaner architecture from the beginning. I'm planning to integrate Modern Web Guidance into my daily workflow for: Building accessible UI components Writing semantic HTML Creating maintainable CSS Improving JavaScript quality Reducing unnecessary refactoring after AI-generated code I'm curious to see how much it improves both code quality and development speed in real-world projects. If you've already tried Modern Web Guidance, I'd love to hear: What has been your experience? Has it improved the quality of AI-generated code? Any tips or best practices you've discovered? The future of AI-assisted development isn't just about generating more code—it's about generating better code. Happy coding! 🚀 Learn more: https://developer.chrome.com/docs/modern-web-guidance

A while back I was researching a topic I didn't know much about — the kind of casual, late-night "let me just ask the AI a few questions" session. A few messages in, I asked a follow-up that only made sense in the context of what we'd just been talking about. I didn't restate the subject, because... why would I? We were three messages into the same conversation. The answer came back completely off-topic. It had lost track of what "it" referred to, latched onto the wrong noun, and confidently explained something I hadn't asked about at all. Not a small tangent — a whole paragraph about the wrong thing. My first reaction was annoyance at the model. My second, more useful reaction came a bit later: I'd been treating it like a person who remembers what we were just discussing and fills in the gaps naturally. It doesn't do that the way a human conversation partner does. If I don't restate the subject, it's genuinely not there for the model — it's not being lazy, there's just nothing to work with. So I started over-specifying. Every follow-up got longer: restate the subject, restate what I actually wanted, restate the constraint I cared about. It worked, but some days I didn't have the energy for it — I'd just take the mediocre answer, say "ok thanks," and move on. Which meant I was quietly leaving useful answers on the table half the time, just because typing out the full context felt like a chore. Eventually I stopped thinking of it as "the AI being difficult" and started treating it as a simple rule: if I want it to know something, I have to say it. It won't infer the unstated stuff the way a person would , no matter how obvious it feels to me. Once that clicked, a few concrete habits followed. Restate the subject, every time Not "what about the second one" — the actual name of the thing. It costs three words and removes an entire failure mode. Say what you actually want, not just the topic "Tell me about X" and "I'm trying to decide whether X is worth the switching co

用 FROST 五维元模型构建可治理的多 Agent 系统：从零到一的代码教程 作者 ：FROST Team 日期 ：2026-07-09 主题 ：代码教程 | 周四轮换 项目 ：FROST + FROST-SOP 前言 2026 年，Agent 框架百花齐放——LangChain、CrewAI、AutoGen 各有各的好。但它们都有一个共同的盲区： 治理能力 。 当你的 Agent 系统从 1 个变成 10 个，从跑 Demo 变成跑生产，你会发现： 谁有权做什么？没有答案 这个决策是谁做的？无法追溯 Agent 越权了怎么办？事后才能发现 FROST（Fractal Runtime of Orchestrated Skills & Tasks）的 五维元模型 就是为解决这些问题而设计的。 今天这篇教程，我们用代码从零构建一个完整的多 Agent 治理系统。 FROST （教学框架）提供理论基础 → Gitee 仓库 FROST-SOP （工程平台）提供工程落地 → Gitee 仓库 一、五维元模型是什么？ FROST V4.0 引入了五个核心维度，每个维度解决 Agent 治理的一个关键问题： 维度 模块 解决的问题 类比 武器 Armory Agent 有哪些能力？ 武器库清单 任务 TaskRegistry 工作如何编排？ 作战计划 事件 EventCatalog 发生了什么？ 战场态势 平台 PlatformRegistry 外部资源在哪？ 后勤补给 规则 RuleRegistry 什么能做/不能做？ 交战规则 五个维度 各自独立又相互咬合 ——就像五角星的五个角，缺一个就不完整。 二、环境搭建 # 克隆 FROST 教学框架 git clone https://gitee.com/liao_liang_7514/frost.git cd frost # 安装依赖 pip install -r requirements.txt # 验证环境 python -m pytest test_core.py -v FROST 的设计哲学是 零外部依赖 ——核心只需要 Python 标准库。五维元模型的模块也遵循这个原则。 三、维度一：Armory（武器注册表） Armory 管理 Agent 所有能力的元数据。不是简单的方法注册，而是带元信息的 能力目录 。 from core.armory import Armory , SkillMetadata # 创建武器库 armory = Armory () # 注册一个技能（带完整元数据） armory . register ( SkillMetadata ( name = " summarize_text " , category = " nlp " , description = " 将长文本压缩为摘要 " , input_schema = { " text " : " string " , " max_length " : " int " }, output_schema = { " summary " : " string " }, cost_estimate = 0.002 , # 每次调用预估成本 latency_ms = 500 , # 预估延迟 tags = [ " summarization " , " compression " ] ) ) armory . register ( SkillMetadata ( name = " search_web " , category = " retrieval " , description = " 联网搜索获取最新信息 " , input_schema = { " query " : " string " , " top_k " : " int " }, output_schema = { " results " : " list[dict] " }, cost_estimate = 0.01 , latency_ms = 2000 , tags = [ " search " , " real-time " ] ) ) # 发现可用技能 nlp_skills = armory . discover ( category = " nlp " ) print ( f " NLP 技能: { [ s . name for s in nlp_skills ] } " ) # 输出: NLP 技能: ['summarize_text'] # 按标签发现 search_skills = armory . discover ( tags = [ " real-time " ]) print ( f " 实时技能: { [ s

Nice to meet you! I'm Andrew It's been a year since I joined the community. I started developing a bit earlier, and changing my career just by learning and practicing is far from what I had planned. I cannot help but be thankful for each course and tutorial, and each developer and tutor who has shared some knowledge and wisdom with me. It is still too early to know exactly what I will fix, build, or vibe to improve the world, but I will do my best... print ( " Hola mundo, aquí vamos! " ) Follow my journey on GitHub "I'm curious to hear from others—what was the biggest challenge you faced during your first year of coding? Or, if you're just starting, what's one thing you're excited to build?"

The AI race is quietly changing Months ago, most discussions revolved around one question: "Which model is the smartest?" Today, I'm seeing a different pattern. The conversation is shifting toward: How do we orchestrate multiple models, tools, and workflows effectively? Look at where the industry is investing. It's no longer just about improving the model itself. The focus is increasingly on long-running tasks, delegated execution, tool use, coding assistants, planning, memory, and specialized sub-tasks working together. That's not a coincidence. The model is becoming one component of a much larger system. As engineers, we're spending less time debating benchmarks and more time designing the layer around the model: • Context management • Routing requests to the right model • Memory and continuity • Tool orchestration • Verification and evaluation • Recovery and fallback strategies This is why I believe the next competitive advantage won't simply be having access to the "best" LLM. It will be building the best AI Harness—the engineering layer that coordinates models, tools, context, and decision-making into a reliable system. Cloud computing went through a similar evolution. Eventually, the infrastructure became a commodity, while orchestration became the differentiator. I think AI is heading down the same path. In a few years, we may stop asking: "Which model are you using?" and start asking: "What's your orchestration architecture?" I'm curious—are you seeing the same shift in your AI workflows, or do you think model capability will remain the primary differentiator?

Pytest Fundamentals for Data Engineers Data engineering code is still software, and software that doesn't have tests is a liability. If you've ever had a production pipeline silently produce wrong numbers because a downstream transformation made an assumption about a column that changed upstream, you know the pain. Testing isn't just about "does the pipeline run" — it's about verifying that every transformation, every branch of logic, and every edge case behaves exactly as you expect. This post lays the groundwork for testing data pipelines with pytest. I'll cover why testing matters, the fundamental pattern every test follows, how to write your first tests and assertions, how to verify that your code raises the right exceptions, and how to mock external dependencies so your tests stay fast and deterministic. By the end, you'll have a solid foundation for writing unit tests that catch regressions before they reach production. Testing 101 for Data Pipelines If you're new to testing or have only ever written a few scripts, the core idea is simple: a test is a small piece of code that exercises another piece of code and checks that the result is what you expected. In pytest, that looks like a function whose name starts with test_ and which contains an assert statement. The Fundamental Pattern: Arrange, Act, Assert Almost every test follows three steps: Arrange – set up the input data and any necessary context. Act – call the function or method you want to test. Assert – verify the output is correct. For a data pipeline transformation, that might be: def test_clean_amount (): # Arrange raw_data = " 1,200.50 " # what you might get from a CSV # Act result = clean_amount ( raw_data ) # Assert assert result == 1200.50 clean_amount is a pure function — no file I/O, no database calls. It just takes an input string and returns a number. That makes it straightforward to test. Assert Raises: Expecting Exceptions Data pipelines often deal with invalid data that should trigger an

Introduction Fintech engineers building backtesting engines, live quote dashboards, and algorithmic trading pipelines repeatedly face consistent pain points with market data APIs: limited granularity on free tiers, disjoint real-time and historical endpoints, inconsistent protocol support, and fragmented cross-asset coverage. This neutral technical breakdown compares three widely adopted market data providers, evaluating native functionality and end-to-end integration patterns to streamline API vendor selection for backend and quant teams. Core Evaluation Criteria Data Granularity & Historical Depth: Support for tick, intraday, and daily bars plus long-term archived records across equities and FX Protocol Compatibility: Native REST batch query and WebSocket real-time streaming implementation Developer Operational Overhead: Rate limits, documentation completeness, and production integration complexity Comparative Overview Provider Value Propositions AllTick: All-in-one multi-asset market data API built for quant developers, delivering unified tick/intraday/daily historical archives and dual REST/WebSocket access with balanced pricing for individual builders and small teams. Bloomberg: Institutional-grade terminal API offering comprehensive cross-market depth, alternative datasets, and proprietary analytics; targeted exclusively at enterprise investment teams with high entry integration overhead and subscription costs. Alpha Vantage: Lightweight free-first REST API ideal for early-stage prototyping and educational use, lacking native real-time streaming and deep tick-level historical archives. Feature Comparison Matrix Metric AllTick Bloomberg Alpha Vantage Free Tier Rate Limits 100 requests/min, full tick granularity access No permanent free tier; limited trial enterprise access only 5 requests/min, restricted to daily/intraday bars Live Latency Average 170ms native WebSocket push Sub-10ms dedicated institutional line feeds Polling-only, minute-scale delayed refresh

On July 8, 2026 I looked up a barcode that does not exist. Eight zeros. I sent them to Open Food Facts, the largest open nutrition database on the web, and it answered HTTP 200. Green light. Then I read the body: "status":0 , "status_verbose":"no code or invalid code" . A success code wrapped around a total miss. Ten seconds of trusting the status line and I would have written that empty result into a calorie tracker as if it were food. That is the whole post. The list of APIs is the easy part. The hard part is that a keyless food API hands you a clean 200 and a wrong answer, and it does it a slightly different way on almost every endpoint. A free food API here means a public nutrition, ingredient, or recipe endpoint that returns JSON with no API key, no signup, and no card. Not a CSV dump, not a partner form, not a portal from 2012. A real REST call you can paste into a terminal right now. I found eight that clear that bar, plus three worth knowing that quietly lean on a shared key. I re-verified every one with a live curl on July 8, 2026 (real HTTP code, real body, trimmed but never paraphrased). If you build calorie trackers, meal planners, grocery tools, or an AI agent that answers "how much sugar is in this," these are the lookups you reach for. Every one of them can lie to you with a 200. Here is the uncomfortable finding before the list. Keyless nutrition data in 2026 is mostly one project. Open Food Facts and its sibling databases (Pet Food, Products, Beauty, Prices) are six of the eight entries below: five distinct databases on one shared engine, with Open Food Facts itself showing up twice because it fails two different ways. Only two entries, Fruityvice and Wger, are independent, and Wger re-imports its data from Open Food Facts anyway. That concentration is not a weakness of the roundup. It is the point. Because it is one engine, the data-quality traps below are systemic, not one-offs. Learn them once and they repeat across the whole family. Let me be st