Code-Fable

Code Fable: The Philosophy of Error Handling The Fable Chapter 1: The Trap of Perfectionism Once upon a time, there was a programmer who pursued perfect code. His functions were always correct. His algorithms were always optimal. His programs never threw errors. Until one day, when the user’s network went down. # His code def send_data(data): if network.is_connected(): send(data) # else? Nothing done The user waited ten minutes, and nothing happened. ...

代码寓言：容错的哲学 寓言正文 第一章：完美主义的陷阱 从前有一个程序员，他追求完美的代码。 他的函数永远正确。 他的算法永远最优。 他的程序永远不报错。 直到有一天，用户的网络断了。 # 他的代码 def send_data(data): if network.is_connected(): send(data) # else? 什么都没做 用户等了十分钟，发现什么都没发生。 ...

Code Fable: The Philosophy of API Design The Fable Chapter One: The Contract of Interfaces Once upon a time, there was a chaotic system. Every module directly called other modules’ internal functions, like this: # The era of chaos user.name = "Mingjian" user._internal_cache = [...] user.__send_email_directly__() When it was time to modify a module, disaster struck—all dependent modules crashed. Lesson: Internal implementation should not be exposed to the outside. ...

Code Fable: The Zen of Concurrent Processing The Fable Chapter 1: The Lone Monk Once upon a time, there was a monk who practiced alone, never communicating with others. His practice was fast, because there was only one person. But he discovered the world was vast, and one person’s strength was small. Chapter 2: Three Paths One day, the monk met three Zen masters. First Master said: “Focus on the present, do one thing at a time.” Second Master said: “Do everything at once, let the world turn for you.” Third Master said: “Know when to focus, when to parallel.” ...

代码寓言：并发处理的禅机 寓言正文 第一章：独行的僧侣 很久以前，有一个僧侣，他每天独自修行，从不与人交流。 他的修行很快，因为只有一个人。 但他发现，世界很大，一个人的力量很小。 第二章：三条道路 有一天，僧侣遇到了三位禅师。 ...

Code Fable: The Wisdom of Memory Management Fable Text Chapter One: The Greedy Requester I am the memory manager, controlling all the memory space in the system. One day, a program requested 1GB of memory. “Please give me 1GB,” it said, “I need to process big data.” I gave it. Then it only used 100MB, leaving 900MB empty. Lesson: Greedy requests are a waste of resources. Chapter Two: The Forgetful Holder Another program requested 500MB, I gave it. ...