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用了 Rust,谷歌实测安卓内存漏洞率比 C/C++ 低 1000 倍!
程序员的那些事· 2025-11-16 10:14
Core Insights - Rust has become a controversial programming language, with government agencies in the U.S. advocating for its adoption over C/C++ due to its memory safety features, while some developers express skepticism about its complexity and perceived overhype [1][2]. Group 1: Rust's Impact on Android Security - Memory safety vulnerabilities in Android have dropped below 20% for the first time, according to Google's 2025 data [2]. - Rust has reduced the density of memory safety vulnerabilities by 1000 times compared to existing C/C++ code in Android [4]. - The introduction of Rust has not only improved security but also enhanced software delivery efficiency, with rollback rates decreasing by 4 times and code review times reduced by 25% [4][15]. Group 2: Adoption and Trends - Since 2021, Google has been integrating Rust into the Android system as a safer alternative to C/C++ [5]. - The usage of Rust is rapidly increasing, while new C++ code is declining [6]. - Rust's new code volume is now comparable to that of C++, indicating similar development efficiency [9]. Group 3: Performance Metrics - Google utilized the DORA framework to assess performance, focusing on throughput and stability [10]. - Rust code requires approximately 20% fewer modifications than C++ code of similar scale [11]. - Rust's rollback rate is about one-fourth that of C++ in medium to large changes, indicating higher stability [18]. Group 4: Broader Applications of Rust - Google is expanding Rust's use in various areas, including system services, libraries, and applications, due to its safety and productivity advantages [22]. - Specific implementations include Nearby Presence for Bluetooth device discovery, RCS security messaging, and various parsers in Chromium [23]. Group 5: Addressing Concerns and Future Outlook - Google acknowledges that while Rust does not guarantee zero vulnerabilities, it significantly reduces vulnerability density, estimating 0.2 vulnerabilities per million lines of Rust code compared to 1000 per million lines of C/C++ [32][33]. - The company believes that Rust allows for a balance between speed and safety, potentially restoring performance and productivity previously sacrificed for security [37][38].
52个人用AI做PPT,年赚7个亿
量子位· 2025-11-16 09:30
Core Insights - Gamma, an AI-powered PPT tool, has achieved a valuation of $2.1 billion and an annual recurring revenue (ARR) of $100 million with only 52 employees, demonstrating a highly efficient revenue generation model [8][15][43]. Group 1: Company Overview - Gamma has 70 million users and is positioned as a rising star in the industry, aiming to transform the traditional PowerPoint experience [5][11]. - The company recently completed a Series B funding round of $68 million led by A16Z, increasing its valuation to $2.1 billion [8][9]. - Gamma's founders emphasize self-sufficiency, stating that the company has more cash in the bank than all previous fundraising combined [13][17]. Group 2: Product Development and Market Strategy - Founded in 2020, Gamma was born out of frustration with existing presentation tools, leading to the development of a more user-friendly alternative [18][20]. - The company identified three major pain points in traditional PPT creation: time spent on aesthetics, poor visual appeal affecting content reception, and rigid structures that hinder creativity [30][32]. - The introduction of AI features significantly improved user retention and engagement, leading to a surge in new user registrations [40][41]. Group 3: Operational Philosophy - Gamma operates on a "small team, big revenue" philosophy, focusing on user experience and leveraging AI to enhance presentation creation [44][50]. - The company maintains a flat organizational structure, ensuring high standards in recruitment and a culture of shared values among employees [52][53]. - The growth strategy includes influencer marketing, performance marketing, extensive user testing, and a practice known as "dogfooding" to refine product offerings [55][61][64]. Group 4: Industry Context - The article discusses the competitive landscape where established giants like Microsoft and Google dominate, while Gamma seeks to carve out a niche by focusing on user needs and AI integration [50][67]. - The rapid evolution of AI tools poses challenges for startups, but Gamma's approach of understanding user sentiment and needs has allowed it to thrive [69][70].
万兴科技旗下万兴图示V15亮相高交会
3 6 Ke· 2025-11-16 09:02
Core Viewpoint - The 27th China International High-tech Achievements Fair (referred to as "High-tech Fair") is being held in Shenzhen from November 14 to 16, showcasing advancements in AI and digital creative software [1] Group 1: Company Highlights - Wondershare Filmora V15, a video creative software product, is being showcased by the company at the event [1] - Other digital creative software products such as Wanjing Mind Map, Wanjing Diagram, and Wanjing PDF are also presented, highlighting the company's focus on AI and digital creativity [1] - The company has created an interactive product demonstration area centered around "Product Manager Face-to-Face," featuring its "Next Generation AI Creative and Office Efficiency Solutions" [1]
盖茨基金会减持微软65%股份 套现约87亿美元
Ge Long Hui A P P· 2025-11-16 07:12
Core Viewpoint - The Bill and Melinda Gates Foundation Trust sold 17 million shares of Microsoft stock in Q3 2025, reducing its stake by nearly 65%, marking one of the largest quarterly reductions since the foundation's inception [1] Group 1: Shareholding Changes - After the transaction, Microsoft's weight in the foundation's portfolio decreased from over 27% to approximately 13% [1] - The foundation currently holds 9.2 million shares of Microsoft, valued at about $4.76 billion based on current prices [1] Group 2: Financial Implications - The reduction in holdings resulted in an estimated sale amount of around $8.7 billion, calculated using Microsoft's average stock price of $510.13 in Q3 [1] - The foundation plans to increase its annual distribution to $9 billion, necessitating stable liquidity in its $49 billion investment portfolio [1]
哪些AI应用值得中期投资
GOLDEN SUN SECURITIES· 2025-11-16 06:42
Investment Rating - The report maintains an "Accumulate" rating for the computer industry [4] Core Insights - The report identifies three categories of AI applications worth mid-term investment: Custom Agent Platforms, High Barrier Vertical Applications, and AI Infrastructure [10][12][26] - OpenAI's recent developments, including the Apps SDK and AgentKit, signify a shift towards creating an AI application ecosystem, allowing developers to build interactive applications within ChatGPT [12][13] - Major companies like Tencent and Alibaba are also developing their own AI ecosystems, with Tencent planning to integrate AI capabilities into WeChat and Alibaba revamping its mobile AI application to compete with ChatGPT [14][17] Summary by Categories Custom Agent Platforms - OpenAI's Apps SDK enables developers to create interactive applications within ChatGPT, enhancing user experience and functionality [12][13] - The introduction of AgentKit allows for easy development of AI agents without extensive coding knowledge, showcasing its efficiency through a live demonstration [13] - Partnerships with various sectors, including education and real estate, highlight the broad applicability of these AI applications [12][14] High Barrier Vertical Applications - The report emphasizes that strong industry know-how, proprietary data, complex workflows, and regulatory compliance create significant barriers to entry for competitors [18][19][20][22] - Companies with deep industry expertise and unique data sources are positioned to leverage large models as tools to enhance their existing advantages rather than being threatened by them [18][19] - Examples include Palantir, which has established a strong foothold in the defense sector through its AI platform [22][23] AI Infrastructure - Infrastructure providers are positioned to gain stable returns by serving all companies involved in the AI arms race, with Snowflake and CrowdStrike highlighted as key players [26][29] - Snowflake's cloud data platform supports scalable AI deployments, while its Cortex suite allows users to run advanced AI models without data migration [28] - CrowdStrike's Falcon platform aims to secure AI operations by protecting against various cyber threats, collaborating with major tech companies to enhance AI security [29][30] Investment Recommendations - The report suggests focusing on companies in the computing sector, particularly those involved in AI infrastructure and agent development, including notable firms like Cambricon, Alibaba, Tencent, and Salesforce [7][34]
Veeva Expands Basics Suite as Over 100 Biotechs Adopt Platform for Scalable Growth
Yahoo Finance· 2025-11-16 04:42
Veeva Systems Inc. (NYSE:VEEV) is one of the best digital health stocks to buy now. On November 4, 2025, Veeva announced that its Veeva Basics solution has been adopted by “more than 100 biotechs” to standardize and scale operations across clinical, regulatory, and quality functions. The press release emphasises that Veeva Basics is built on the company’s Vault Platform, enabling emerging biotech firms to deploy best‑practice workflows quickly and transition to a full Vault solution later with no migratio ...
CMB International Securities Maintains Buy Rating on ServiceNow (NOW) Stock
Yahoo Finance· 2025-11-16 04:41
ServiceNow, Inc. (NYSE:NOW) is one of the Best Fundamentally Strong Stocks to Buy. On October 31, Saiyi He, an analyst from CMB International Securities, maintained a “Buy” rating on the company’s stock, and the associated price target was $1,180.00. The analyst’s rating is backed by a combination of factors, which include its impressive financial performance and strategic advancements. CMB International Securities Maintains Buy Rating on ServiceNow (NOW) Stock As per the analyst, ServiceNow, Inc. (NYSE: ...
Salesforce (CRM) Signs Definitive Agreement for Acquisition of Spindle AI
Yahoo Finance· 2025-11-16 04:41
Salesforce, Inc. (NYSE:CRM) is one of the Best Fundamentally Strong Stocks to Buy. On November 7, Salesforce, Inc. (NYSE:CRM) announced that it signed a definitive agreement for the acquisition of Spindle AI, which is a leading agentic analytics platform. Spindle AI’s technology tends to combine advanced AI agents and ML with powerful data modeling to support businesses in making faster and more effective data-driven decisions. Salesforce, (CRM) Signs Definitive Agreement for Acquisition of Spindle AI No ...
谷歌为Android 17开发多项游戏优化功能,包括原生手柄按键重映射及虚拟游戏手柄功能
Huan Qiu Wang Zi Xun· 2025-11-16 04:05
Core Insights - Google is developing advanced features for the upcoming Android 17 system, focusing on enhancing controller support for gamers and adapting to the growing demand for cloud gaming and new device forms [1][3] Group 1: Controller Features - One of the key features is native controller button remapping support, which will allow users to customize button configurations at the system level, addressing the increasing need for controller input support in the Android gaming ecosystem [3] - The Android framework has introduced a new permission `android.permission.CONTROLLER_REMAPPING`, which is controlled by the `com.android.hardware.input.controller_remapping` function, and is only available to system-level applications [3] - Currently, the Android platform recognizes controllers connected via USB or Bluetooth but has primarily optimized for common devices like Xbox controllers, leaving other manufacturers to ensure compatibility through mainstream button schemes [3] Group 2: Virtual Game Controller - Android 17 will also introduce a "virtual game controller" feature, which simulates a controller through software, allowing games to recognize it as a real controller and providing players with more control options [4]
微软AI助手演示出错,引导错误设置且推荐无效缩放比例
Xin Lang Ke Ji· 2025-11-16 02:31
Core Viewpoint - Microsoft inadvertently showcased the shortcomings of its AI assistant, Copilot, during a promotional video for Windows 11, highlighting potential flaws in its functionality [1] Group 1: AI Assistant Performance - In a promotional video, Microsoft's AI assistant Copilot failed to provide correct guidance on how to enlarge system fonts, directing the user to the wrong settings menu [1] - When asked for a recommended zoom level, Copilot suggested "150%", despite the system already being set to that level, indicating a lack of effective assistance [1] - The demonstration required the user to manually adjust the zoom level to "200%" to continue, further emphasizing the assistant's ineffectiveness [1]