How chunked arrays turned a frozen machine into a finished climate model ...

Learn the NumPy trick for generating synthetic data that actually behaves like real data.

下图展示了一个有趣的现象：在法国斗牛犬的图像上添加一小块对抗性补丁后，VGG分类器竟然以极高的置信度将其判定为足球。Grad-CAM可视化清楚地显示，模型的注意力完全从狗身上转移到了那块补丁——一个精心构造的小扰动就足以劫持整个决策过程。

一次重构，让我处理DataFrame条件逻辑的速度提升了4倍。还记得那个周五的下午，我盯着屏幕上这段代码发呆：df["category"] = np.where(df["score"] > 90, "A", np.where(df["score"] ...

2025年11月中旬，上海某科技公司市场部员工小林在工位上收到一封邮件，主题是：“您的包裹已到，请扫码取件”。邮件正文简洁，仅附有一张图片——一个黑白相间的二维码，下方标注“顺丰速运”。 她没多想，掏出手机，打开原生相机对准屏幕。几秒后，手机自动跳转至一个看似顺丰官网的页面，要求输入手机号和验证码以“确认身份”。她照做了。当天下午，她的企业邮箱开始向外群发带有恶意附件的邮件。 IT部门紧急排查发现 ...

Abstract: Object recognition is the process of recognizing objects based on their characteristics like color, shape, and with the particular occurrence of the object in digital videos and as well as ...

This year, Destinee Weeks and her husband, who manage a herd of about 250 cattle in northern Oklahoma, began to see a profit for the first time in a decade. So Weeks was shocked and dismayed when she ...

President Trump already announced a $20 billion bailout of Argentina's economy. The National Cattlemen’s Beef Association (NCBA) has pushed back against President Trump's plan to increase beef imports ...

President Donald Trump floated the idea of importing Argentine beef after his administration's recent bailout plan for the cash-strapped Latin American nation. U.S. cattle farmers are not happy with ...

In today’s data-rich environment, business are always looking for a way to capitalize on available data for new insights and increased efficiencies. Given the escalating volumes of data and the ...