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free water
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4.— Did you have anyone ______the trees?—Yes,l had the trees ______.A. to water ;waterB. to water; wateredC. water ; to be wateredD. water; watered
考题
关于free函数的描述错误的是()A.函数原型是int*free(int*p)B.使用free函数时需要头文件stdlib.hC.使用free函数时需要强制类型转换D.free函数中的参数可以是任意的指针变量
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Evaluate the following command and its output:Which two statements correctly interpret the output?()
A. FREE_SPACE indicates only the space that is currently unallocated.B. ALLOCATED_SPACE indicates only the space currently allocated and in use.C. FREE_SPACE indicates only the space that is currently allocated and available for reuse.D. ALLOCATED_SPACE indicates both the space currently allocated and used, and the space that is available for reuse.E. FREE_SPACE indicates both the space that is currently allocated and available for reuse, and the space that is currently unallocated.
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Evaluatethefollowingcommandanditsoutput:SQLSELECT*FROMdba_temp_free_space;TABLESPACE_NAMETABLESPACE_SIZEALLOCATED_SPACEFREE_SPACELMTEMP250609664101048576149561088Whichtwostatementscorrectlyinterprettheoutput?()A.FREE_SPACEindicatesonlythespacethatiscurrentlyunallocated.B.ALLOCATED_SPACEindicatesonlythespacecurrentlyallocatedandinuse.C.FREE_SPACEindicatesonlythespacethatiscurrentlyallocatedandavailableforreuse.D.ALLOCATED_SPACEindicatesboththespacecurrentlyallocatedandused,andthespacethat isavailableforreuse.E.FREE_SPACEindicatesboththespacethatiscurrentlyallocatedandavailableforreuse,andthespacethatiscurrentlyunallocated.
考题
下列选项,_____可以用来释放结果集?A.mysqli_result->free()B.mysqli_result->close()C.mysqli_free_result()D.mysqli_result->free_result()
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4、如果p是q的前一个结点,那么删除单链表中q结点,执行的两条语句是什么?A.p->next=q; free(q);B.p->next=q->next; free(q);C.p=q->next; free(q);D.q=p->next; free(q);
考题
12、free命令报告处于free状态的内存非常低,这意味着系统内存配置不足。
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