alphanumeric encoding

A knowledge reserve for understanding character encoding1. Basic Computer knowledge2. principle of Text Editor Access file (Nodepad++,pycharm,word)# 1, open the editor opens a process, is in memory, so, the content written with the editor is stored

In the actual project development often encounter verification code problems, such as landing page, Message page, registration page ... The principle of verification code is very simple: the use of the GD library to create a picture, the image of

Copy CodeThe code is as follows: /** Captcha Class base on PHP GD Lib* @author Design* @version 1.0* @demo* Include (' captchaclass.php ');* $captchaDemo =new Captcha ();* $captchaDemo->createimage ();*/Class captcha{@ Define CAPTCHA Picture

URL encoding summary, url EncodingURL encoding Summary URL is the abbreviation of Universal Resource Locator. It is translated as a uniform Resource Locator. Well, we often call it a webpage address. The format of a URL is usually as follows:

A knowledge reserve for understanding character encoding　　1. How the text editor accesses the file (Nodepad++,pycharm,word)Opening the editor opens a process that is in memory, so content written in the editor is also stored in memory, and data is

https://www.cnblogs.com/zihe/p/6993891.htmlA knowledge reserve for understanding character encoding　　1. How the text editor accesses the file (Nodepad++,pycharm,word)Opening the editor opens a process that is in memory, so content written in the

  3-character encoding model Programmers often face complex problems, and the simplest way to reduce complexity is to divide and conquer them. Peter Constable describes the four-layer model of Character encoding in his article "character set

Before we begin to discuss coding decoding, let's be clear about the problem. What is a application/x-www-form-urlencoded string. A: It is a type of encoding. These characters are converted to application/x-www-form-urlencoded strings when the URL

Encoding is to convert common numbers and characters into QR codes. Before coding the QR code, let's talk about the maximum capacity of the QR code. I. Maximum capacity The maximum size of a QR code depends on the selected version, error correction

A knowledge reserve for understanding character encoding　　1. How the text editor accesses the file (Nodepad++,pycharm,word)Opening the editor opens a process that is in memory, so content written in the editor is also stored in memory, and data is