一次重构，让我处理DataFrame条件逻辑的速度提升了4倍。 这仅仅是一个5级分类，但实际项目中，我遇到过12层嵌套的np.where！每次添加新条件，都像在走钢丝——一不留神，括号匹配就出错。 更糟的是，当数据量达到百万级别时，这种嵌套写法性能急剧下降 ...

Pandas have stood for friendship between China and Japan since 1972. But the last two are about to go, and a dispute over Taiwan could get in the way of sending more. By Javier C. Hernández and Hisako ...

Giant pandas have been seen using twigs or pieces of bamboo to scratch themselves. Other than an old anecdotal report about giant pandas rubbing dirt into their fur, this is the first recorded ...

Credit: Getty Images This in-depth feature explores the challenges and controversies surrounding the diagnosis and management of PANDAS. Pediatric autoimmune neuropsychiatric disorders associated with ...

Red pandas are not directly related to giant pandas, but were the first pandas! We often call giant pandas just “panda,” but it is the red panda that deserves the single name. They were first ...

Hong Kong’s first locally born giant pandas have finally been named and introduced as Jia Jia and De De. The names of the cubs, affectionately known as “Elder Sister” and “Little Brother,” were ...

Function Health said it acquired full-body MRI scanning company Ezra. Function offers a $499 annual subscription where members complete more than 160 blood tests and track their results over time.

Together with its black-and-white fur, slothful behavior and cuddly demeanor, bamboo is a defining feature of the critically-endangered giant panda (Ailuropoda melanoleuca). A single panda can consume ...

Most parents describe pediatric acute-onset neuropsychiatric syndrome (PANS)/pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections (PANDAS) “like a light switch went ...

Pandas famously love bamboo but the fluffy mammals actually have digestive systems typical of animals that eat a meat-based diet - and Chinese scientists now think they know why. They say gorging on ...

Tiny scraps of genetic material from bamboo might influence the genes of pandas, helping them adapt to a mostly bamboo diet. When you purchase through links on our site, we may earn an affiliate ...