... System Calls 系统调用 C Library Functions 库调用 Devices and Special Files 特殊文件(设备文件) ...
基于2个网页-相关网页
数据库调用 Database Call
自动库调用 [计] automatic library call
函数及函数库调用 Library calls
运行库可调用包装 RCW ; Runtime Callable Wrapperm
动态库调用拦截 DLL transfer interception
语言库调用序列 sequence of language library call
调用库函数 Call Library Function
调用库函数节点 Call Library Function Node ; CLF
库函数调用 Library functions ; call library function
每次数据库调用需要一个新会话和事务。
JPEG 库调用总体上没有什么变化。
与内存中的操作相比较,数据库调用的性能是非常低的。
Performance of database calls, when compared to in-memory operations, is very slow.
So, certainly the CS50 Library designed to be dynamic and, in fact, any time you call get string, we are, in fact, ; allocating a chunk of RAM but it's not coming from the stack; it's actually coming from this portion of memory called the heap.
所以,Cs50库是动态设计的,实际上,每次你调用GetSting时,我们分配一块内存,但它不是来自栈;,而是来自于叫做堆的,内存的一部分。
应用推荐