目录基本语法示例示例查询解释应用场景不适用场景1. jsON 数据结构过于复杂或动态变化2. 性能要求高的场景3. JSON 数据不完整或格式不一致4. 需要跨数据库兼容性5.
In C (or C++ for that matter), pointers are special if they have the value zero: I am adviced to set pointers to zero after freeing their memory, because it means freeing the pointer again isn\'t dang
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