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howdoesthehardwareknowwherethekernelisorhowtoloadthatkernel?Theprocedureofstartingacomputerbyloadingthekernelisknownasbootingthesystem.Onmostcomputers

新的实现(用于实现功能)或新程序(用于语言或库功能)分为四个主要部分:C程序的环境的特征，语言语法、约束和语义、库功能
C 31

MVC这个名字第一次被提出是在1979年，TrygveReenskaug用它来描述Smalltalk-76上已经存在的“templatepattern”应用。在他和AdeleGoldberg讨论了术语方面的问题后，MVC的名字被确定下来(之前的名字包括Model-View-Editor和Model-
iOS 63

Thistutorialwillgothroughhowtoset-upanAndroidprogrammingenvironmentonWindows7platform.OncetheAndroidprogrammingplatformisset-upyoucanstarttocreate(dev

This Rationale summarizes the deliberations of INCITS J11 (formerly X3J11 and NCITS J11) and SC22 WG14, respectively the ANSI Technical Committee and
C 42

你⽤用哪些办法实现过多线程? GCD和NSOperationQueue的⽐比较，各⾃自优缺点是什么，平时你是怎么使⽤用的? weak，assign，strong的意义和区别? atomic，nonatomic的意义和区别? OC中有没有多继承?OC中怎么实现多继承功能? category和subcl
iOS 30

Interest in developing apps for Apple’s iOS platform continues to rise, and more great apps appear in Apple’s App Store every day. As people like you
iOS 20

Linkers and loaders have been part of the software toolkit almost as long as there have been computers, since they are the critical tools that permit

中断向量表： 用来存放中断码对应中断处理程序的入口地址，一个地址包括段地址和偏移地址，高地址存放段地址，低地址存放偏移地址 需要四个字节来存储中断处理程序的入口地址，256个中断信号处理程序需要1024个字节来存储