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
First of all, thank Shanglikai for taking me into. NET, a good software development program. Through two days of learning in this area is also a lot of understanding, let us first understand the C # languageC # is a new, simple, secure, and fast
Basic Swift data type, swift data typeConstants and variables
Constants and variables are represented by a specific name, such as maximumNumberOfLoginAttempt or welcomeMessage. A constant points to a specific type of value, such as a number of 10 or
Http://blog.163.com/wshyao@126/blog/static/1070451420081018103237836/
# Connector and # Connector
# The Concatenation symbol is composed of two pound signs. Its function is to connect two substrings (tokens) in the macro definition with parameters
Like to read some Open-source project source, always will find that the great God's code always have some short and efficient macro definition, click to see, find obscure, not to mention learning, sometimes understanding is a difficult, but the
The operands of predefined operators in C + + can only be basic data types, and in fact, for many user-defined types, similar operations are Required. For example:Class Complex{PublicComplex (double r=0.0,double i=0.0) {real=r;imag=i;}void Display ()
Swift2.0 The return value of the function in the language tutorial and the function type Swift2.0 the return value of the functionFunctions can be divided into non-return-valued functions and return-valued functions, depending on whether they have
Don't want to be a lamb to be slaughtered!!!! To become strong ....The definition and use of functions in the front or for a reason, now the language tends to general, basic types are basically those, focus on the use of learning objects, and the
Replace macros with inline:
1. Inline functions can be debugged at run time, while macro definitions are not possible;2. The compiler will do security checks or automatic type conversions (with normal functions) on the parameter types of the
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