Macro definition in many languages can see its shadow, C #, C++,c, and so on, especially the system API inside a lot of macro definition, looking very bluffing people. Reasonable use of macro definition, you can make your code look more standardized,
We can think of classes, objects, encapsulation, inheritance, polymorphism, when we raise object-oriented objects. In "JavaScript Advanced Program Design" (People's Posts and telecommunications press, Cao Li, Zhang Xin translated. The English name
There are many places in the C language where macro definitions are used, such as in header files to prevent header files from being repeatedly included:
#ifndef ctest_header_h
#define CTEST_HEADER_H
/header file content
#endif
Many macro
From a language perspective, object-oriented programming and object-oriented JavaScript are definitely not modern things; JavaScript has been fully designed as an object-oriented language from the beginning.
Here's how to define a class or object
Jency LeeLinks: http://www.cnblogs.com/Jency/articles/C_Cplusplus_define.html1. Simple define Definition #define MaxTime + A simple maxtime is defined, which represents 1000 if you write in the program if (i Compiler replaces maxtime with 1000
Let's look at a few examples
(1) struct{int x; int y;} Test1;
Well, define the structure test1,
test1.x and test1.y can be used in the statement.
(2) struct test {int x; int y;} Test1;
Well, define the structure test1,
test1.x and test1.y can be
For a long time, macro definition # define is used to define some simple constants. At most, it is used to define a function. It seldom pays attention to macro definition usage. Until the following code is displayed:
#define PLAYSOUNDEFFECT(...) \[[
Php object-oriented content
1. What is object-oriented?
Object-Oriented Programming (Object Oriented Programming, OOP, Object-Oriented Programming) is a computer Programming architecture, one basic principle of OOP is that a computer program is
This article describes how to define literal objects in json data format in PHP. This is a work und. json can also be used to generate arrays in classes, for more information, see
This article describes how to define literal objects in json data
first, use the Tf.app.flags interface to define command line parametersAs we all know, deep learning has a lot of hyperparameter need to be tuned, tensorflow the bottom of the Python-gflags project, and then packaged into a tf.app.flags interface
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