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用Python或可视块构建交易机器人，进行回测并参与排行榜竞争，无需真金白银。
@CodeBullapp · X
Building CodeBull. A platform where you build trading bots with Python or visual blocks, backtest them on real-world market data, and compete against other users’ strategies. Zero risk. Just learn trading by building.
粘贴 Mermaid 代码，实时预览并分享永久链接，无需注册。
u/mrtrompo · Reddit
MermaidBin, a pastebin for Mermaid diagrams I built MermaidBin ( https://mermaidbin.com ) because I often wanted to share a Mermaid diagram without taking a screenshot or depending on the destination to render Mermaid. It gives immediate browser-side preview, then creates a stable page and `.svg` URL for Markdown embeds. No account is required; pastes are public by default or can be unlisted. It can also be used in this age of AI where most AI generated code for technical document uses Merm
TeachSpark为学前至12年级教师提供AI课程规划、行为干预和学生进度追踪工具。
@gigi2026tcsp · X
Check out what I just built with Lovable! I've spent month working on this. Teachers, Check it out!
通过AI生成的课程掌握任何主题，包含交互课程、测验和学习进度。
alexanderholy2_pixel · Product Hunt
Learn Anything — Master any topic AI builds your course. Real sources teach it.
为开发者设计的笔记应用，支持代码块、看板管理和GitHub导入。
@SinghApurv1711 · X
Hey! Check it out here:
一次编写，多格式导出为笔记、幻灯片、PDF、PPTX、DOCX 或画布。
@mr_wickedhacks · X
Write the doc once → get a notebook, slide deck, canvas, or resume from the same source. No rewriting for every format.
@ConnorTalksAI Need just a couple of customers to help me across the XPrize finish line. $5 bucks to get your documents out of an old GPT/Claude export. https://t.co/5NSfz2jGE3
@ARCHEPERSONA · X
Need just a couple of customers to help me across the XPrize finish line. $5 bucks to get your documents out of an old GPT/Claude export.
PivotHop 将你的技能与实时职位匹配，发现可达成的职业机会，获取薪资范围和技能缺口分析。
u/ImmediateSafety2887 · Reddit
I scraped ~150k job postings to build a tool that shows which careers your skills can actually reach — not what an AI guesses. Free, no signup. One-person shop, building this as a second income around a day job, so feedback from this crowd is gold. What it is: every career tool hands you a confident AI recommendation. I wanted the opposite — something that reads live job postings, measures how much of a target role your current skills already cover, and shows the honest version: the salar
用专注的界面捕捉想法，保持心流。
@VanshSura · X
Just shipped a fresh UI update for MindDock ✨ Redesigned the experience to feel cleaner, faster, and more focused—making it easier to capture ideas and stay in flow. Still a lot more to build, but I'm happy with how it's evolving. 🚀 #buildinpublic
CraftScore 使用Git分析和代码质量指标衡量工程技能。
ricardo_santis2 · Product Hunt
CraftScore Measure engineering craft, not AI output.
捕获UI元素及其代码上下文，与AI代理分享以调试视觉缺陷。
Loerei · HN
I found that describing where a broken UI is and taking screenshots for AI agents really sucks. I’m too lazy to explain an indescribable visual bug or capture a millisecond-long flash. I also don’t want to remember which file defines an element, whether it's right in the .tsx or a problem with the Parent Styles in .css. And even if you can point out the exact file, your agent still has to dig through thousands of lines of code to know what on earth you're yapping about. In a 7700-file monorepo like Cal.com, simply giving the right file in the prompt for your agent saves about 68.9% of execution time and 94.2% of the tokens your agent needs to digest. HoverSource gives all the needed information and further pushes it to -88.5% time and -94.5% tokens, basically skipping the entire digging session and jumping straight to reasoning and executing. The save is linear to how big your codebase is. I want to save tokens, but don’t want to spend my time and energy digging manually, and a junio
