I did too. I read the Vue source code. I saw flags and bitwise operations. I did not understand them. Now I do. Why use them? You store many boolean flags in one integer. Each bit is a flag. It is ...

- It is type-safe. - It is much faster than a HashSet. - It handles bitwise operations for you. 3. Use ConcurrentHashMap.computeIfAbsent for caches If you build a cache, you often write complex code ...

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remove-circle Internet Archive's in-browser bookreader "theater" requires JavaScript to be enabled. It appears your browser does not have it turned on. Please see ...

深度递归可能直接撑爆栈空间(Stack Overflow) 位运算(bitwise operation) 成为家常便饭，每个寄存器位都要精确控制 编译器优化选项(-Os) 是你最好的朋友 这种“戴着镣铐跳舞”的编程体验，是上位机程序员完全没有经历过的。 挑战三：实时性与中断系统 ...