Category：C++
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Time：2020-12-5
What is the identifier principle in C + + language? Answer: the identifier can only be composed of letters, numbers and underscores; the identifier can only start with letters and underscores; the identifier cannot be a keyword. What is the difference between global variables and local variables in memory storage? A: 1. Global variables are […]
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Time：2020-12-3
C + + language is a mixed language (rising in 1980s). It retains all the advantages of C language and adds object-oriented programming mechanism. We can regard C + + language as an improvement and extension of C language. The C + + language based on C language is compatible with C language, so the […]
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Time：2020-12-2
preface 1. This paper focuses on how to make a snow that only you can see on the console 2. It is a simple cross platform, mainly c language 3. The animation adopts 1s 40 frames, and the snowflake has X-axis speed and y-axis speed 4. Relatively simple, you can give students as C language […]
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Time：2020-12-1
The second question is explained! Maybe it’s the last question before retirement (it seems that only two articles have been written in all) No, topic: Question surface Meaning of the title: There are t data There is a tree (to ensure that all nodes are connected) and there are n nodes. Each node has its […]
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Time：2020-11-30
The main programming languages used by background development engineers are C + +, Java, PHP and golang, which is becoming popular gradually. Xiaobian will talk about how to learn and prepare for the post of background development from the perspective of C + +. 1、 Language foundation Whether it is C + + […]
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Time：2020-11-29
VC + + hotel catering management system, access database version, for the hotel catering front desk attendant, kitchen administrator, raw material supply department and management department management personnel. Menu number, menu number, etc. can be viewed in the menu management system. The system is divided into four modules: front sales, statistical reports, basic […]
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Time：2020-11-28
P [i] [J] defines the next point from I to j, and the point where the subproblem becomes P [P [i] [J] [J], where the iteration stops P [i] [J] = J; If ij has no path, I! = J and P [i] [J] = J; void showpath(int p[][N],int i,int j){ if(i!=j&&p[i][j]=j)cout< cout< 1.shortpath_DIJ void shortpath_DIJ(int […]
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Time：2020-11-27
I believe that many people come into contact with programming fromin one’s college yearsThe hall ofC++Language programming, butThis courseBut only told you what the programming language is, but did not tell you how to master programming. Therefore, it is inevitable that many people find that they have learned it before graduationC++But I don’t seem to […]
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Time：2020-11-26
Project introduction: using C + + to realize OpenGL glut to realize a simple planetary system of solar system will involve some mathematical basis of 3D graphics technology, 3D coordinate system in OpenGL, illumination model in OpenGL, keyboard event processing of glut. OpenGL contains many rendering functions, but they are designed to be independent of […]
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Time：2020-11-25
When you see the title, you may not quite understand what it means. In the end, don’t worry. I believe that a lot of people come into contact with C + + programming in college, but this course only tells you what the programming language is, but it doesn’t tell you how to master programming. […]
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Time：2020-11-24
Today for you to introduce a commonly used management system – library management system, I hope you can personally practice it. Book information includes: login number, book name, author name, classification number, publishing unit, publishing time, price, etc. A book information management system is designed to provide the following functions: (1) Book information input function […]
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Time：2020-11-23
This chapter will pick out some key codes in the qthread source code to explain how the qthread process is scheduled from start to end. Secondly, because QT 4.4 version, QT multithreading has changed, so this chapter will be qt4.0.1 and qt5.6.2 version of the source code for analysis. 1、 Qthread class definition source code […]
