编程学习中，函数是绕不开的基础概念，也是新手最容易卡壳的分水岭。理解 Python 中函数的本质，不能只记 def 语法，而要弄懂它背后的命名空间、作用域查找规则和调用栈机制。从变量查找的 LEGB 顺序，到函数参数究竟是传值还是传引用，再到默认参数共享可变对象、闭包捕获外层变量、装饰器 ...

A fact I recently learnedI recently finished reading a book on automata, and according to that book, Turing machines, lambda calculus, and recursive functions all have the same computational ...

"My child has been attending a major programming school since elementary school for three years and can now create games ...

MIT’s Alex Zhang reveals why OpenAI and Anthropic coding agents are basically the same, sparking debate in AI development ...

Work with familiar Python data structures and type annotations. Mashumaro generates specialized encoders and decoders for them — no handwritten schemas or framework-specific models required. Mashumaro ...

$$\begin{array}{l}\mathrm{Forwards}\,\mathrm{confusion}=(\mathrm{Backwards}\,\mathrm{energy}-\mathrm{Forwards}\,\mathrm{energ ...