The usual implementation of malloc and free are unforgiving to errors in their callers' code, including cases where the programmer overflows an array, forgets to free memory, or frees a memory block twice. This often does not affect the program immed

定义一个学生累，构造函数显示学生学号与成绩，程序结束用析构函数释放内存空间。-The definition of a student tired constructor students learn numbers and achievements, the program ends with a destructor frees memory space.

创建链表，打印链表，删除链表，插入链表，释放链表-Create lists, print the list, delete the list, insert the list and frees list

Laravel is a concise and elegant PHP Web development framework (PHP Web Framework). It frees you from the messy code of noodles; it can help you build a perfect network APP, and each line of code can be concise and expressive.