The google python course is a free online resource from Google covering Python basics to more advanced topics. It’s designed ...

很多初学者喜欢用全局变量，因为这比函数的参数传来传去更容易让人理解。确实在很多场景下用全局变量很方便。不过如果代码规模增大，并且有多个文件的时候，全局变量就会变得比较混乱。你可能不知道在哪个文件中定义了相同类型甚至重名的全局变量，也不知道这个变量在程序的某个地方被做了怎样的操作。因此对于这种情况，有 ...

Snake is to 2025 what leopard print was to 2024. Animal prints of every kind have dominated both ready-to-wear and accessories in recent seasons; you’ll find bags of every shape and size adorned with ...

After leopard, zebra, and python prints, a new star is taking center stage this fall: cow print. Yes, you read that right. With its graphic black and white spots, it's establishing itself as the ...

Abstract: In halftone-driven imaging pipelines focus is often placed on halftone pattern design as the main contributor to overall output quality. However, for sequential or cumulative imaging ...

Cow-print jeans are about to stampede their way into every cool-girl closet in 2025. Pair them with a cropped jacket for a matching moment or keep things low-key with a simple white tee. Go all in on ...

Getting started with LeetCode can feel like a lot, especially if you’re just beginning your coding journey. So many problems, so many concepts – it’s easy to get lost. But don’t sweat it. This guide ...

A personal record of Python concepts I explore — from everyday features to advanced techniques. Includes examples, explanations, and deep dives into the language’s inner workings.

metap: Meta-programming for Python If you’ve ever lamented the lack of anything like a macro system for Python, check this out. It’s a tool for creating common code patterns in Python programs, but it ...

Every breath you take, they really may be watching you. By Veronique Greenwood Your thumbprint, the pattern of lines in the iris of your eye: These are known to be more or less unique to each person, ...