Numbers Don’t Lie But They Can Quietly Kill Your Startup Pitch 文章强调创业者需熟悉关键财务指标如烧钱率（Burn Rate）、客户获取成本（CAC）、客户终身价值（LTV）等，以证明项目的可行性和吸引力。这些数据是投资者评估的重要依据，并能帮助创业者更好地规划和管理公司。... 2025-6-21 20:9:30 | 阅读: 4 | 收藏 | Hacker Noon - hackernoon.com cac investors churn ltv pitch

Do You Really Need Content Marketing to Grow Your B2B SaaS? 文章探讨了内容营销在SaaS行业中的重要性及其替代方案。内容营销通过教育潜在客户并建立信任，在品牌知名度和成本效益方面具有优势。然而，并非所有企业都适合采用此策略。文章还分析了其他增长路径（如增长循环和PPC广告）以及何时应选择内容营销的关键因素（如目标客户、资源和产品复杂性）。... 2025-6-21 19:58:49 | 阅读: 7 | 收藏 | Hacker Noon - hackernoon.com growth hubspot startups audience dropbox

Implementing Event-Driven Systems With AWS Lambda and DynamoDB Streams 文章介绍了如何利用AWS Lambda和DynamoDB Streams构建事件驱动架构，通过实时响应数据变化实现可扩展、松耦合的应用。文章详细讲解了配置步骤、最佳实践及使用LocalStack进行本地开发的方法。... 2025-6-21 19:49:2 | 阅读: 4 | 收藏 | Hacker Noon - hackernoon.com dynamodb arn newimage development

What Really Happens in Feature Engineering (And Why It Matters) 文章介绍了特征工程在机器学习中的重要性及其三种核心方法：过滤法、包装法和嵌入法，并探讨了自动化工具的应用与未来趋势。... 2025-6-21 18:48:41 | 阅读: 4 | 收藏 | Hacker Noon - hackernoon.com machine lasso accurate trees

The Impact of Data Size on Transformer Training: Overfitting & Loss Dynamics 华为技术有限公司中央研究院理论实验室的研究团队探讨了某领域的最新进展及其应用前景。... 2025-6-21 17:45:7 | 阅读: 4 | 收藏 | Hacker Noon - hackernoon.com lei xueyan bo bai baibo

An Interview With Mina El Helbawi: Conflict and Connection 埃及作家Mirna El Helbawi在以色列-哈马斯战争期间发起eSIM捐赠活动，帮助加沙居民与家人保持联系。她通过社交媒体收集并分发eSIM卡，在三周内已发送超4万张。... 2025-6-21 17:15:6 | 阅读: 4 | 收藏 | Hacker Noon - hackernoon.com mirna gaza reporter loved friend

Empirical Results: GPT-2 Analysis of Transformer Memorization & Loss 研究通过在OpenWebText上使用GPT-2 medium模型进行实验，验证了理论框架中的半径假设，并通过测量最后一层的激活距离来分析下一个令牌预测。此外，还训练了多种GPT-2 small模型和vanilla Transformer模型以分析其交叉熵损失，结果支持理论框架的有效性。... 2025-6-21 17:0:3 | 阅读: 4 | 收藏 | Hacker Noon - hackernoon.com gpt radius empirical transformer appendix

The HackerNoon Newsletter: How to Connect an Express Application to Postgres Using Sequelize (6/21/2025) 这篇文章是一份科技新闻简报，介绍了历史上的重要科技事件（如McCormick谷物收割机专利和Manchester Baby计算机）以及推荐了两篇文章：一篇关于大学生隐私问题的探讨，另一篇是关于如何将Express应用连接到Postgres数据库的教程。... 2025-6-21 16:4:45 | 阅读: 1 | 收藏 | Hacker Noon - hackernoon.com college hackernoon him sequelize couldnt

This College Student Wanted Privacy - His College Couldn't Give Him Any 文章描述了加州Mt. San Antonio College学生Eric Natividad如何被各种技术手段全天候追踪：学习平台Canvas记录他的在线行为和成绩；停车场摄像头监控他的车辆；面部识别软件用于远程考试；甚至社交媒体也收集他的活动数据。Natividad对隐私泄露深感担忧，并努力倡导学生隐私保护。... 2025-6-21 15:0:6 | 阅读: 5 | 收藏 | Hacker Noon - hackernoon.com natividad college campus sac professors

How to Connect an Express Application to Postgres Using Sequelize 本文介绍如何使用PostgreSQL和Sequelize ORM在Express框架中构建一个任务管理API。通过配置Sequelize连接Postgres数据库，定义任务模型，并创建CRUD操作的API端点（包括创建、列出、更新完成状态和删除任务），展示了如何在Express应用中集成PostgreSQL数据库。... 2025-6-21 14:0:4 | 阅读: 5 | 收藏 | Hacker Noon - hackernoon.com sequelize database connecttodb relational orm

The TechBeat: This Skill Gap Is Blocking Your Career (And It Has Nothing to Do with AI) (6/21/2025) 这篇文章介绍了多篇科技类文章的内容，涵盖了副业选择、比特币与去中心化金融、404错误页面设计、AI工具应用、GPS脆弱性等主题。... 2025-6-21 06:11:0 | 阅读: 6 | 收藏 | Hacker Noon - hackernoon.com mcp trending termux arns llm

Meta Earth Network 2.0: Pioneering Web3 Innovation With Rewards and Global Events Meta Earth推出ME Network 2.0模块化区块链生态系统，具备技术突破和社区驱动增长。其中包括Airdrop奖励、ME Pass升级和2025年活动。... 2025-6-20 19:19:19 | 阅读: 7 | 收藏 | Hacker Noon - hackernoon.com earth mec network rewards web3

A Data Engineer's Guide to PyIceberg 这篇文章介绍了PyIceberg这一轻量级Python库及其在Apache Iceberg上的应用。通过分层架构和集成高效计算引擎（如PyArrow），PyIceberg简化了数据操作流程，并支持多种云环境及本地存储。示例展示了如何使用PyIceberg进行数据插入、更新和删除操作，并结合DuckDB进行查询分析。该库特别适合中小规模企业实现高效数据分析。... 2025-6-20 18:30:18 | 阅读: 9 | 收藏 | Hacker Noon - hackernoon.com pyiceberg iceberg catalog sensor python

Revolutionizing High-Tech Supply Chains: Inside a Global Transformation Led by Vijayanand Balasubram Vijayanand Balasubramaniam领导的高科技行业供应链转型项目通过实施订单云解决方案和集成系统优化了库存管理、订单处理和物流配送流程，显著提升了效率和客户满意度，并为行业树立了新标准。... 2025-6-20 18:25:4 | 阅读: 8 | 收藏 | Hacker Noon - hackernoon.com vijayanand operational strategic efficiency

Sourabh Sanghi’s Leadership in Seamless Telecom Migration and Digital Transformation Sourabh Sanghi, a distinguished Expert Engineer, successfully led a large-scale cloud migration project at a major telecom company, demonstrating exceptional technical leadership. By leveraging advanced cloud architecture, automation, and DevOps practices, he ensured seamless transition, enhanced system reliability, and operational efficiency. His innovative approach not only met but exceeded project goals, setting new standards for infrastructure modernization.... 2025-6-20 18:18:32 | 阅读: 8 | 收藏 | Hacker Noon - hackernoon.com cloud sourabh migration leadership

Inside a Global Supply Chain Overhaul: Naveen Saikrishna’s Demand Planning Platform Naveen Saikrishna领导的需求规划数据分析平台项目显著提升了公司运营效率和数据整合能力，减少了预测周期时间，并为零售供应链行业树立了新标杆。... 2025-6-20 18:18:14 | 阅读: 8 | 收藏 | Hacker Noon - hackernoon.com naveen saikrishna strategic planning leadership

Karan Alang’s Mission to Build Smarter, Autonomous Systems with AI/ML Karan Alang通过开发Advanced Network Insights平台和UEBA系统，利用AI和机器学习实现网络威胁预测、性能优化及自主管理，显著提升企业网络的安全性与效率。... 2025-6-20 18:18:3 | 阅读: 13 | 收藏 | Hacker Noon - hackernoon.com karan network security alang intelligent

Q&A with Duran Inci: How AI Is Reshaping B2B eCommerce and Marketing Communications 文章介绍了HackerNoon的新系列“Humans Behind the AI”，首期聚焦Optimum7 CEO Duran Inci如何利用AI优化B2B通信。他通过NLP模型分析客户数据，识别痛点并调整信息流，成功提升转化率和缩短销售周期。Duran强调AI应与业务目标紧密结合，并分享了实用工具和策略。... 2025-6-20 18:11:57 | 阅读: 8 | 收藏 | Hacker Noon - hackernoon.com b2b inci ecommerce duran friction

Start Trading Cryptocurrency Without Losing Money in the First Week 文章强调了加密货币交易的风险与策略，建议新手理解市场波动性、选择可靠平台、制定清晰目标并分散投资。同时提醒避免盲目跟风和过度杠杆交易，并重视安全措施以保护资产。成功需耐心学习与严格执行策略。... 2025-6-20 17:26:24 | 阅读: 7 | 收藏 | Hacker Noon - hackernoon.com asset traders spot security losses

Transforming E-Commerce Product Configuration Through Strategic Innovation by Prabhavathi Koppalli Prabhavathi Koppalli优化了企业技术销售中的产品配置系统，将3小时的配置时间缩短至1小时，并显著提升了合作伙伴的满意度和销售效率。她的创新解决方案减少了70%的支持请求，并为公司赢得了奖项和职业发展的机会。... 2025-6-20 16:23:32 | 阅读: 2 | 收藏 | Hacker Noon - hackernoon.com prabhavathi koppalli immediate career exceptional