declaration
Using the value of a variable instead of its name for new variable declaration
Su开发者_如何学Pythonppose I\'ve a variable in java String test=new String(); Now i want to declare a new variable with its name equal to the value of the variable \'test\'. You can\'t do that in J[详细]
2023-02-03 15:48 分类:问答multiple declaration error- virtual functions
I have observer.h ,client.h and field.h files. In observer.h there is Subject class which has // observer.h[详细]
2023-02-03 09:55 分类:问答Declaring a function that return a 2D array in a header file?
I am trying to declare, within 开发者_运维百科my header file, a function that returns a 2D array.How can this be accomplished, given that we already know the size of the array?Below is what I\'m curre[详细]
2023-02-03 00:43 分类:问答Any problem declaring a variable and using TryParse to initialize it on same line?
This example is in C# but I expect could apply to others just as easily. I recently found that the following seems to work just fine:[详细]
2023-02-02 01:12 分类:问答C++ method declaration, class definition problem
I have 2 classes: A and B. Some methods of class A need to use class B and the opposite(class B has methods that need to use class A).[详细]
2023-02-02 00:52 分类:问答Is "int a;" a declaration or definition in C and in C++?
Is int a; a dec开发者_StackOverflowlaration or definition in C? Is there any difference in C++? I was always thinking it\'s just a declaration, until today...[详细]
2023-01-31 17:51 分类:问答C++ class declaration and include issues in gsoap project
I compile a file in a gsoap project with the following command. Almost all files in my project are generated by the gsoap tools and i am new to C++ so i cant tell very much about it.[详细]
2023-01-31 16:34 分类:问答What's wrong with this Java HashMap declaration? Easy points
private HashMap<String, IMapper> mapper = new HashMap<String, IMapper>(); Seems so innocent yet Eclipse is complaining about the semi-colon, of all things.[详细]
2023-01-31 08:52 分类:问答Problem with header inclusion of a class used as member inside another class C++
I have a problem with the definitions of my classes, probably because of the inclusion order or something.the error msg i receive is[详细]
2023-01-30 21:08 分类:问答Why variables start out with random values in C
I thin开发者_JS百科k this is wrong, it should start as NULL and not with a random value. In the case that you have a pointer with a random memory address as its default value it could be a very danger[详细]
2023-01-30 15:46 分类:问答