原创 Why Prototypes?
The prototype tells the compiler what type of return value, if any, the function has, and it tells the compiler the num
2020-06-28 05:14:31
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原创 Three exceptions of array name
C/C++ in most contests treats the name of an array as if it were a pointer which point the the first element. There are
2020-06-28 05:14:21
原创 Using library functions
If you're using a library function, the function has already been defined and compiled for you. Also you can and should
2020-02-23 20:41:00
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原创 Fun is where you find it.
Fun is where you find it. Look closely, and you can find it in functions. C++ comes with a large library of useful func
2020-02-23 20:40:59
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原创 Debugging with GDB Summary of GDB
Summary of GDB The purpose of a debugger such as GDB is to allow you to see what is going on "inside" another program w
2019-08-29 05:13:31
原创 6 Mechanism: Limited Direct Execution
The first is performance: how can we implement virtualization without adding excessive overhead to the system? The seco
2019-08-29 05:13:31
原创 Dynamic Memory and Class
Letting the program decide about memory during runtime rather than during compile time.
2019-08-15 03:52:24
原创 What is an lvalue?
An argument that's an lvalue is a data object that can be referenced by address. Regular variable can be further charac
2019-08-10 04:59:16
原创 OOP
Object-oriented programming(OOP) is a particular conceptual approach to designing programs, and C++ has enhanced C with
2019-08-10 04:59:16
原创 Function Template
template <typename T> The keywords template and typename are obligatory. The template does not create any functions. In
2019-08-10 04:59:16
原创 operator overloading
Becausle operator overloading is implemented with functions, you can overload the same operator many times, as long as
2019-08-10 04:59:16
原创 整型常量、實型常量、字符常量、符號常量、枚舉常量的區別
整型常量默認數據類型是int，當數值超過int時，類型會變成long，超過long會報warning； 符號常量默認數據類型是int，當數值超過int時，類型會變成long，超過long會報warning； 枚舉常量默認數據類型是int，
2019-08-10 04:59:16
原创 Tempory Variables, Reference Arguments, and const
A C++ function with a const reference formal argument and a nonmatching actural argument mimics the traditional passing
2019-08-10 04:59:16
原创 硬盤和硬盤驅動器的區別
硬盤（hard disk）指的是用來存儲數據的裝置。物理上以金屬光盤呈現，兩面均可以存儲數據，磁道、扇區。 硬盤驅動器（hard disk drive, HDD）指的是個人計算機中控制硬盤尋址以及存取數據的裝置，通過硬盤驅動器，計算機才能
2019-08-10 04:59:16