hex ef bb bf

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Java string length and varchar length matching comprehension (character and byte length understanding)

1: "Byte" is byte, "bit" is bit;2:1 byte = 8 bit;Char is 2 bytes in Java. Java uses unicode,2 bytes (16 bits) to represent one character.ButString str = "compilation";byte[] bytes = Str.getbytes (); I wonder why it takes 3 bytes here?3 byte is 3*8=24

PHP UTF-8, Unicode and BOM issues _php Tips

First, introduce UTF-8 is a type of Unicode character that is often used in Web applications, and the advantage of using UTF-8 is that it is a variable length encoding for a ansii code length of 1 bytes, so that when a page with a large number of

PHP UTF-8, Unicode, and BOM issues _php Tutorial

First, Introduction UTF-8 is an encoding of Unicode characters that are often used in Web applications, and the advantage of using UTF-8 is that it is a variable-length encoding, with a length of 1 bytes for ansii encoding, so that when a page

Character encoding Ultimate Note: ASCII, Unicode, UTF-8, UTF-16, UCS, BOM, Endian

Very detailed very good, turn around to study:Reprinted from: http://www.cnblogs.com/lidabo/archive/2013/11/27/3446518.html1, character encoding, internal code, incidentally introduced Chinese character codingCharacters must be encoded before they

Unicode, GBK, UTF-8 difference]

Unicode, GBK, UTF-8 differences in simple terms, Unicode, GBK and Big Five code is the encoded value, and UTF-8, uft-16 and so on is the representation of this value. the preceding three types of codes are compatible. The values of the three codes

"Go" "Programming Tips" character coding summary

This article transferred from: http://www.ruanyifeng.com/blog/2007/10/ascii_unicode_and_utf-8.htmlOriginal NanyiToday at noon, I suddenly want to understand the relationship between Unicode and UTF-8, so I began to search the Internet information.As

Introduction to character encoding and different coding differences

Unicode,gbk,utf-8 differencesIn simple terms, UNICODE,GBK and five yards are encoded values, and utf-8,uft-16 is the expression of this value. And the preceding three kinds of coding is a compatible, the same Chinese character, that three code value

What is this magical character for analysis?

When I write PHP, I first output a section of HTML and include () a file (no output), and then continue to output a piece of HTML, then in the final output of the HTML within the Include section will appear a strange thing, resulting in a Web page

JavaScript reads binary file and uses Ajax to transmit binary stream method _javascript tips

Comprehensive online tutorials, plus their own practice to come up with the method, currently able to compatible with Google, IE11, IE10. There is nothing special about the contents of the HTMLBody. uploading files: To read a

Introduction to character encoding: how ascii,unicode,utf-8,gb2312 and Unicode and UTF-8 translate

Reference:Http://www.ruanyifeng.com/blog/2007/10/ascii_unicode_and_utf-8.htmlHttp://www.cnblogs.com/mjgforever/archive/2008/02/27/1083135.html1. ASCII codeWe know that inside the computer, all the information is ultimately represented as a binary

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