5 recommended articles about any key
Preface To implement this function, all you need is to pause the program, wait and capture a keyboard input from the user, and then continue execution. Python has built-in libraries that can help us implement this function, but Windows and Linux must be treated differently. The getch() method in msvcrt can help to implement it under Windows. Its function is to obtain a key response and return the corresponding character. It is not echoed on the command line. There is the following program segment: import msvcrt print ord(msvcrt.getch()) Here, ord is used to convert the obtained characters into ASCII values. For example, capturing the key "d" (note that it is lowercase) will get the value 100. What about Linux? Well, it’s a little bit complicated, but it’ll be easier if you clarify your thoughts first. First of all, you need to know the three modes of the Linux terminal, which are canonical mode, non-canonical mode and raw mode: Canonical mode Canonical mode, also called cooked mode, is a common mode for users. The characters entered by the driver are saved in the buffer and are only received when
1. Python implements the function of pressing any key to continue/exit
Introduction: When I was learning Python, I always wanted to implement a program that can press any key to continue/exit (poisoned by .bat), but I never wrote it. Today I drew it The time is written out and I will share it with you below so that you can refer to it if you need it.
2. Press any key to exit Python under Linux
##Introduction: This article mainly introduces the relevant information on the implementation method of pressing any key to exit in Python under Linux. The introduction in this article is very detailed and has reference value. Friends in need can refer to it
3. Is there any key in php that can be used in an array without using isset check?
Introduction: I have used a framework before, called speedPHP, which is rarely used by people. When using it, you can read any key of the session, get, and post arrays. I don’t even need isset. After looking at its source code, I can’t see where it is set. Recently, I thought this framework was slow, so I wrote a framework myself. I always asked for isset when writing...
4. Solution for the php daemon being killed
Introduction: There is a queue service that needs to use php as a daemon, but this daemon was found He is often killed. After checking the information, I found the following description: http://blog.csdn.net/newjueqi/article/details/8504325 He needs to press any key on the keyboard after the nohup is successful in the shell. Return to the shell input command window, and then capture the keys pressed on the keyboard by entering
Introduction: JavaScript obtains which key is pressed on the keyboard. By creating an event.keyCode object, the key on the keyboard can be effectively obtained. After running the code, click any key on the keyboard, and the web page will display the key you pressed. Which key is it.
[Related Q&A recommendations]:
javascript - How does jquery detect the case status without entering any characters
Is there any key in php that can use an array without using isset check?
After executing the shell command in vim, how can I return to the editing interface without pressing the enter key?
vim - How does the autocmd command make the system automatically help us type any key?
The above is the detailed content of 5 recommended articles about any key. For more information, please follow other related articles on the PHP Chinese website!

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