braille unicode

Php, we want to convert the uft-8 to unicode, you can use the following function to implement UTF encoding The UTF-8 is coded in 8 bits. The encoding from UCS-2 to UTF-8 is as follows: UCS-2 coding (hexadecimal) UTF-8 byte stream (binary) 0000-007F 0 xxxxxxx 0080-07FF 110 xxxxx 10 xxxxxx 0800-FFFF 1110 xxxx 10 xxxxxx 10 xxxxxx For example, the Unicode code of the Chinese character is 6C49. 6C49 is between 0

accommodate all the characters in the world. Unicode Code came into being. However, you must know that each character occupies 4 bytes. This is unacceptable for the United States and European countries. Because the characters used in the United States and other countries only need one byte. While Unicode code will waste 3/4 of resources in these countries. This is unacceptable to the United States and othe

ASCII is a character set, including uppercase and lowercase letters, numbers, control characters, and so on, which are expressed in a byte range of 0-127 Unicode is divided into UTF-8 and UTF-16. UTF-8 variable length, up to 6 bytes, less than 127 characters in a byte, as in the case of the ASCII character set, the English text under ASCII encoding does not need to be modified to be treated as a UTF-8 encoding. Python supports

Unicode is commonly known as unified code, universal code, single code, standard universal code. Unicode development is under the responsibility of the non-profit organization unified code Alliance, which is committed to replacing the existing character encoding scheme with the Unicode scheme. Because some solutions often have only limited space and are not appli

Analysis of ASCII and Unicode-encoded message writing files, asciiunicode Abstr:] ASCII and Unicode are two common character encodings. Their representation methods are different, so they must be differentiated in the program. Based on the actual development experience of the author, this article analyzes in detail the file Writing Process of ASCII and Unicode ch

Article 2: Java character encoding Series II: Unicode, ISO-8859-1, GBK, UTF-8 encoding and mutual conversion 1. Function IntroductionIn Java, a string is encoded in Unicode. Each character occupies two bytes. The two major functions related to encoding are: 1) parse the string into a byte array using the specified encoding set, unicode-> charsetname conversion pu

ASCII The ASCII code consists of a total of 128 characters. It only occupies the last seven digits of a byte, and the first one character is uniformly set to 0. For example, the space is 32 (Binary 00100000), and the uppercase letter A is 65 (Binary 01000001 ). The 128 symbols (including 32 control symbols that cannot be printed ). Unicode As mentioned in the previous section, there are multiple encoding methods in the world. The same binary number

A computer can only handle binary, so it needs to be represented as binary in order to be understood and recognized by the computer.A common practice is to assign an ID to each letter or kanji, and then use binary notation for that ID, which exists in memory or on disk. The computer can know what this ID is based on the binary data, and then, based on the ID, knows what letter or kanji the binary data represents.The thing that Unicode does is to assig

Unicode Standard in the bitwise space.Although all countries have defined their own codes, they are not common to each other, because they can only be used in 65535 locations in two bytes, but it does not form a unified system. For example, if you use which segment I use, mutual encoding is not uniform, after a gb2312 code segment is parsed on shift-JIS, it becomes garbled. In this case, Unicode encoding i

Article 2: JAVA character encoding Series II: Unicode, ISO-8859-1, GBK, UTF-8 encoding and mutual conversion 1. Function IntroductionIn Java, a string is encoded in Unicode. Each character occupies two bytes. The two major functions related to encoding are: 1) parse the string into a byte array using the specified encoding set, unicode-> charsetName conversion pu

Original address:http://www.cnblogs.com/kingcat/archive/2012/10/16/2726334.html Why Unicode is requiredWe know that the computer is actually very stupid, it only know 0101 such a string, of course, we look at such a 01 string when it will be more dizzy, so many times in order to describe the simple are in decimal, hexadecimal, octal notation. are actually equivalent, It's not much different. Other things, such as text pictures and other things the com

UTF encoding The UTF-8 is to encode the UCS as a 8-bit unit. The encoding from UCS-2 to UTF-8 is as follows: UCS-2 encoding (16 binary) UTF-8 byte stream (binary) 0000-007f 0xxxxxxx 0080-07ff 110xxxxx 10xxxxxx 0800-ffff 1110xxxx 10xxxxxx 10xxxxxx For example, the Unicode encoding of the word "Han" is 6c49. 6c49 is between 0800-ffff, so I'm sure to use a 3-byte template: 1110xxxx 10xxxxxx 10xxxxxx. The 6c49 is written as binary: 0110 110001 001001, usi