函数指针 Vs std::function，一个追求零开销，一个拥抱灵活性。 前者是 C 的遗产，后者是 C++ 的契约。 选错一个，轻则多花几毫秒，重则触发堆分配，拖垮整个低延迟系统。 接下来我就详细的给你好好拆解一下，它们的区别到底在哪里。 一、一句话说清本质区别 函数指针：C ...

Andriy Blokhin has 5+ years of professional experience in public accounting, personal investing, and as a senior auditor with Ernst & Young. Erika Rasure is globally-recognized as a leading consumer ...

Executive function describes a set of cognitive processes and mental skills that help an individual plan, monitor, and successfully execute their goals. The “executive functions,” as they’re known, ...