安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- How does the % operator (modulo, remainder) work?
in C++ expression a % b returns remainder of division of a by b (if they are positive For negative numbers sign of result is implementation defined) For example: 5 % 2 = 1 13 % 5 = 3 With this knowledge we can try to understand your code Condition count % 6 == 5 means that newline will be written when remainder of division count by 6 is five How often does that happen? Exactly 6 lines
- c++ - What is the difference between the dot (. ) operator and . . .
foo->bar() is the same as (*foo) bar() The parenthesizes above are necessary because of the binding strength of the * and operators *foo bar() wouldn't work because Dot ( ) operator is evaluated first (see operator precedence) The Dot ( ) operator can't be overloaded, arrow (->) operator can be overloaded The Dot ( ) operator can't be applied to pointers Also see: What is the arrow
- C++ code file extension? What is the difference between . cc and . cpp
95 cpp is the recommended extension for C++ as far as I know Some people even recommend using hpp for C++ headers, just to differentiate from C Although the compiler doesn't care what you do, it's personal preference
- how does the ampersand( ) sign work in c++? - Stack Overflow
Possible Duplicate: What are the differences between pointer variable and reference variable in C++? This is confusing me: class CDummy { public: int isitme (CDummy amp; param); }; int CD
- What does the :: mean in C++? - Stack Overflow
What does this symbol mean? AirlineTicket::AirlineTicket ()@PaulR Not everyone who arrives upon this question is looking to learn C++ I, for example, just happened to be skimming some C++ code and wanted to get the general idea of what the program is doing and needed a quick reference :)
- Proper way to initialize C++ structs - Stack Overflow
Our code involves a POD (Plain Old Datastructure) struct (it is a basic c++ struct that has other structs and POD variables in it that needs to get initialized in the beginning ) Based one what I
- How to use C code in C++ - Stack Overflow
Just a small question: Can C++ use C header files in a program? This might be a weird question, basically I need to use the source code from other program (made in C language) in a C++ one Is the
- C++ floating point to integer type conversions - Stack Overflow
What are the different techniques used to convert float type of data to integer in C++? #include lt;iostream gt; using namespace std; struct database { int id, age; float salary; }; int mai
|
|
|