This is an error message you see whenever you have a situation like the following: Why? Well, C and C++ differ in the type of the string literal. In C the type is array of char and in C++ it is constant array of char. In any case, you are not allowed to change the characters of … Read more
Your constructor should be defined the following way
Create vector, push_back element, then modify it as so: You cant access a vector with [#] until an element exists in the vector at that index. This example populates the [#] and then modifies it afterward.
Guessing from the information I have, you’re not actually compiling the program, but trying to run it. That is, ALL_BUILD is set as your startup project. (It should be in a bold font, unlike the other projects in your solution) If you then try to run/debug, you will get the error you describe, because there … Read more
From msdn When you created the project, you made the wrong choice of application type. When asked whether your project was a console application or a windows application or a DLL or a static library, you made the wrong chose windows application (wrong choice). Go back, start over again, go to File -> New -> Project … Read more
If you define a class without any constructor, the compiler will synthesize a constructor for you (and that will be a default constructor — i.e., one that doesn’t require any arguments). If, however, you do define a constructor, (even if it does take one or more arguments) the compiler will not synthesize a constructor for you — at that … Read more
rand() can be used to generate pseudo-random numbers in C++. In combination with RAND_MAX and a little math, you can generate random numbers in any arbitrary interval you choose. This is sufficient for learning purposes and toy programs. If you need truly random numbers with normal distribution, you’ll need to employ a more advanced method. This will generate a number … Read more
You are missing class name: This is global operator, = cannot be global: You must define this as class function:
This is a mistake: That code has to go inside a function. Your class definition can only contain declarations and functions. Classes don’t “run”, they provide a blueprint for how to make an object. The line Message m; means that an Orderbook will contain Message called m, if you later create an Orderbook.
Your compiler error is coming from the fact that your signature for the forward declaration of _num_steps does not match the signature of your definition of _num_steps. the type of steps_list does not match Change your prototype line to: