what is utf 8 encoding

Unicode Character Set is the most comprehensive character set in the world. It contains almost all the characters in the world. In fact, it can be understood that the Unicode Character Set is a huge table that orchestrates the characters and

The article "IP address-& gt; geographic location conversion evaluation" mentions that using the ip2addr function to directly read IP database files is the most efficient. compared with using the MySQL database to store IP data, SQL queries are the

Php evaluates several methods of dynamic conversion from gb encoding to UTF-8 encoding, and reads several methods of php's dynamic conversion from gb encoding to UTF-8 encoding, the article "IP address-Geographic location conversion evaluation"

PHP how to achieve Unicode and Utf-8 encoding mutual conversion, unicodeutf-8. PHP how to achieve Unicode and Utf-8 encoding mutual conversion, unicodeutf-8 recently happens to use unicode encoding conversion, go to check the php library function,

Php page, mysql database to UTF-8 garbled, UTF-8 encoding problem summary, mysqlutf-8 Example 1: PHP page to UTF-8 Encoding Problems 1. Add a line at the beginning of the Code: header ("Content-Type: text/html; charset = UTF-8 "); 2. PHP file

Take a look at Liaoche's Python2.7 tutorial in the afternoon, see the string and Encode section, have a little feeling, combine Cia Qingcai's Python blog to record this feeling:ASCII: is a byte (8bit, 0-255) of 127 letters for uppercase and

If a website needs to be internationalized, it needs to convert the code from GB2312 to a UTF-8, there are many problems to note, if not completely converted, there will be a lot of coding problems! Next, I will share with you the php page through

In Eclipse+myeclipse development, the global encoding is set to UTF-8 In the use of Eclipse+myeclipse development, many file encodings are iso-8859-1 by default and do not support Chinese (such as common JSP). So every time we build a file to

Mutual Conversion between Unicode and Utf-8 encoding in PHP Recently, I used unicode encoding conversion. I checked the php library function and did not find a function that can encode and decode the string! If you cannot find it, implement it

In the IP address-& gt; in the evaluation of geographic location conversion, the article mentions that using the ip2addr function to directly read IP addresses is the most efficient to directly read IP database files using the ip2addr function in

PHP how to achieve Unicode and Utf-8 encoding mutual conversion, unicodeutf-8 Recently, I used unicode encoding conversion. I checked the php library function and did not find a function that can encode and decode the string! If you cannot find it,

UTF-8 encoding can be converted from both traditional Chinese and Japanese to big5 encoding, but Japanese cannot be converted. I can use the iconv function to convert UTF-8 encoding to big5. traditional Chinese, and Japanese to garbled characters,

I. Introduction of UTF-8 CodingUTF-8 is the most widely used form of Unicode implementation on the Internet. One of the biggest features of UTF-8 is that it is a variable-length coding method. It can use 1~4 bytes to represent a symbol, varying the

ASCII, GB2312, GBK, UTF-8 encoding: Original address: HTTP://HI.BAIDU.COM/PHPEASE/ITEM/F450B5CAEC143014505058FC variable naming rules: 1. Variable names are case-sensitive (case-sensitive). 2. Must begin with a letter or underscore.  Variable

JavaScript itself uses the charCodeAt method to obtain Unicode encoding of a character and converts Unicode encoding into corresponding characters through the fromCharCode method.The charCodeAt method, however, should be a 16-bit integer that takes

Encoding conversion has always been a headache. we usually encounter page garbled characters due to some encoding problems. The following section provides an example of converting unicode encoding to UTF-8 encoding. let's take a look. in front-end

From: http://blog.163.com/yang_jianli/blog/static/161990006201371451851274/--------------------------------------------------------------------------------------------1. ANSI CodeBoth Unicode and ANSI are representations of character codes. To

In the previous test of UTF-8 encoding, the boost. locale library can be used to convert the UTF-8 encoding of a character into Unicode Code Point. I read some code of locale today. The author Artyom suggested using the utf_to_utf function to get

Recently, I was modifying the problem of uploading a Chinese path to the FTP server using Windows, which had a headache for a long time. When the number of characters read from Windows is odd, the path is partially identified as garbled characters.

PHP cannot process strings to process data, but we must make the database encoding consistent with that of the webpage or application. Otherwise, garbled characters may occur. Therefore, before data storage or updating-when calling the data storage