C

Recently, I want to compatible my program with a 64-bit system. I thought it was a big project. However, after reading the relevant information, I found this is not difficult. Generally, 32-bit programs can run on 64-bit systems. Of course, this is

Chen guodong (sinojelly@163.com) 2008/08/08 draft 2009/10/6 content sorting, re-layout many friends may be learning C, but did not actually participate in the embedded software project, on the industrial application of C-related knowledge is not

  The program with Error = 0 does not exist. How can I collect and process errors in the program? How can we make better use of error information collection and feedback to assist program debugging? How can users report more valuable questions after

This chapter also describes Qt events. Perhaps this chapter cannot be a complete example, because events are always abstract, so it is better to understand them at the underlying layer!The role of the event is described above. Let's take a look at

This article is based on the interpretation of Self-Internet-related templates, and then written after self-practice and understanding. Thanks for the help of Internet materials. Template definition:A template is a tool for implementing the code

After Qt creates a QEvent event object, it calls the QObject event () function for event distribution. Sometimes, you may need to do some other operations before calling the event () function. For example, some components in the dialog box may not

The "rational use" here does not mean that "the use of global arrays is reasonable", but that, when there is no way to use global variables, you can also use static global arrays as appropriate when using global arrays. The premise of using a static

Magic number), that is, when writing a program, you can directly use a number in the program, instead of using a fixed macro or const variable. Figure 1 shows an example program using magic number. Among them, 64 refers to the maximum number of

1. array size I believe that in C #/Java, more people are willing to use List to replace arrays. On the one hand, List provides more methods, on the other hand, we do not need to specify the size of the array. In C, since we need to specify the

Clipboard operations are often used together with the previously mentioned drag-and-drop technology. Therefore, let's talk about clipboard operations first. Everyone is familiar with clipboard. We can simply think of it as a data storage pool, where

Two days ago, I had a chat with friends who were playing online card and board games, talked about shuffling algorithms. I used to write some poker games and made a shuffling algorithm in the middle, I wrote an example to test them. The basic idea

Some time ago I talked about the use of some Qt class libraries. Today I want to change my taste and look at the program design issues. Today we are talking about shared library. If you open a directory for some Windows applications, you will find

I was recently depressed by the load type and timestamp of RTP. After debugging for nearly a week, I finally solved the problem. Let's look back, I found that the main reason is that I did not really understand the meaning of the load type and

Source code analysis for http://tuoxie174.blog.51cto.com/1446064/413189 # Include # Include # Include # Include # Include # Include # Include # Include # Include # Include # Include Using namespace std;# Define PORT 8848 // Port# Define BACKLOG 5 //

Currently, smart cars can be remotely controlled in various ways. However, this step is far from enough. We need the Smart car to have its own "thinking" and to move forward, forward, or stop as needed. To do this, you must make the Smart car have

Updates are much slower near the Spring Festival. I will write another article today. I don't know if it will be the last one before the Spring Festival. Bean wishes you a pleasant spring festival! We know that HTML is only defined as a language for

Tragedy ~~~ The blog post I just wrote was inexplicably lost at the time of release ~~ Is it because of chrome ??? Ah, ah, ah ~~~ I wrote it again with Firefox 650) this. width = 650; "onclick = 'window. open (" http://blog.51cto.com/viewpic.php?

Today, a bunch of people in the dormitory are playing games, so they can't sleep, and they are decisive. They will send out the preliminary implementation of the shutdown gadgets that have been struggling for a while and some precautions as their

Well, I wrote an article "I am this year" Yesterday, indicating that it is a bit of time recently. I can write some blog posts, and my friends are very enthusiastic. I will ask a question in my reply immediately, one of the articles caught my

A few days ago, I accidentally saw a code from Guang Ge, which contains the following sentence: Action-> setText (tr ("START ")); In addition, the main function has the following code:   int main(int argc, char *argv[])    {