Harvard's free programming classes teach you how to think, debug, and adapt in an AI-driven world where knowing code matters more than ever.

Overview: Python supports every stage of data science from raw data to deployed systemsLibraries like NumPy and Pandas simplify data handling and analysisPython ...

在Web应用的安全体系中，验证码（CAPTCHA）常被视为抵御自动化攻击的"第一道防线"。从简单的图片数字验证码到复杂的滑动拼图、行为验证，其核心目标是区分"人类用户"和"机器程序"，防止恶意攻击者通过脚本批量爆破登录、枚举用户接口、注册垃圾账号或滥用短信通道。然而，在真实的攻防对抗中，这看似坚固的防线却常常被攻破——某电商平台因验证码识别插件绕过导致百万用户信息泄露，某社交APP因短信接口滥用被 ...

Katelyn is a writer with CNET covering artificial intelligence, including chatbots, image and video generators. Her work explores how new AI technology is infiltrating our lives, shaping the content ...

Google's Nano Banana Pro earned a near-perfect score. ChatGPT image ranked second; others often mangled text and faces. Nine tough prompts reveal which AIs are worth subscribing to. When generative AI ...

Image processing is manipulation of an image that has been digitised and uploaded into a computer. Software programs modify the image to make it more useful, and can for example be used to enable ...