definition for possible

Item 26: variable definitions (variable definition) is postponed whenever possible) By Scott Meyers Translator: fatalerror99 (itepub's nirvana) Release: http://blog.csdn.net/fatalerror99/ If you define a variable with a constructor (constructor) or

Reading Notes Objective c ++ Item 26: postpone variable definition as much as possible.1. defining variables will cause constructor and destructor overhead Whenever you define a type of variable: when the control flow reaches the definition point of

Yes, we agree that the variables in the C language should be defined in the module header; but in C ++, we should cancel this practice. It is unnecessary, unnatural, and expensive. Remember? If you define a variable of the type of constructor and

Yes, we agree with the requirement that variables in C should be defined in the head of a module, but in C + +, it's not necessary, unnatural, and expensive to cancel this practice. Do you remember. If you define a variable of a type that has

Unsupported in requirement definition-possible test blind areaA product must have its system requirements or specifications, defined in the design instructions are not supported, not implemented features or features, and sometimes may be a blind

compiler compiles a program, it compiles only one source file and generates the corresponding intermediate file (for the VC, the. obj file), and then the connector unifies all intermediate files to form an executable file. The problem is that when

C ++ declaration and definitionC ++ declaration and definition The Declaration is to introduce a name into the program. The definition provides a unique description of an object in the program. Declarations and definitions sometimes exist at the

When you develop an iPhone applicationProgramYou need to understand the impact of various aspects of the iPhone OS and mobile device environment on your design. This chapter covers the guidelines for a series of programming issues from product

Transferred from: http://www.cnblogs.com/rocketfan/archive/2009/10/02/1577361.html   1. compilation unit: A. cc or. cpp file is used as a compilation unit to generate. O. 2. Definition and declaration of common data types, Function Definition and

C ++ File include rule constant definition To sum up, C ++'s function declaration, variable declaration, and class definition are written in the header file, while function implementation, variable definition, and class method implementation are