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the UTF-8 specified can be a byte to represent all the characters ASCII code, to avoid unnecessary space waste.Out of the above several common coding, there are many other codes, different codes specify the rules are different, but basically all the ASCII is compatible with processing, it can be said that ASCII is the most basic, this section is to discuss the

Php ascii code table and character conversion details. PHP Basics: ASCII code comparison table and character conversion, discuss ASCII code table chart and character conversion to decimal, octal, hexadecimal, and HTML methods comm

PHP detailed ASCII code comparison table and character conversion. 1. general ASCII code table schematic ASCII code table chart. take character A as an example to describe decimal. for example, 65Hx indicates Hexadecimal. for exam

in a byte must be an even number. If the number is not an even number, 1 is added to the highest bit of b7.Appendix:ASCII table ASCII Value Control characters ASCII Value Control characters ASCII Value Control characters

Complete 8-bit ASCII two-dimensional table ASCII and American Standard Code for information interchange read as "astkey", which defines the English letters or the same result and meaning represented by the 127 numbers ranging from 0 to one hundred and twenty-eight. Because only seven digits (BIT) can be used to represent numbers from 0 to 127, most computers use

The value range of the ASCII code is 0 ~ 127, which can be expressed in 7 bits. C LanguagecharThe variable size is defined as one byte. If the ASCII code is stored, only seven characters are used, and the value is 0. The following is an ascii code table: Figure A.1. ASCII c

(delete), BEL (ringing), etc. special characters: SOH (text head), EOT (text tail), ACK (confirm), etc. Number 33rd to 126th (a total of 94) is a character, of which 48th to 57th is 0~9 10 Arabic numerals, 65~90 number 26 uppercase English letters, 97~122 number 26 lowercase English letters, the rest are some punctuation marks, operation symbols and so on. Note: In the computer's storage unit, an ASCII value occupies one byte (8 bits), and its highes

ASCII code table The ASCII code can be roughly divided into three parts.The first part is ASCII non-printable control characters;The second part is: ASCII printing characters;The third part is: Extended ASCII print characters.Part

The so-called ASCII and 16 binary are just conceptual things that are all binary in the computerThe conversion should be the output of the conversion, the same number, in the computer memory is the same, but the output is not the sameASCII is the encoding of characters, almost the encoding of characters on the keyboard. The following is an ASCII and 16-binary table