Python is a great language for automating everyday tasks, from managing files to interacting with websites. Libraries like ...

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 ...

KOHLER backup generators automatically switch on in the event of a power outage. Generators help run electricity to your home for appliances, whole-home circuits, sump pumps, HVAC units and water ...

If you often lose power where you live, whether because of seasonal storms such as hurricanes or due to other problems with the electrical grid, having a whole-house generator can be very convenient.