ASCII, GB2312, GBK, UTF-8 encoding:
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variable naming rules:
1. Variable names are case-sensitive (case-sensitive).
2. Must begin with a letter or underscore. Variable
The usual Modbus communication protocol has two kinds, one is Modbus ASCII, one is Modbus RTU. Each device must have the same transfer mode. All devices support RTU mode, and ASCII transfer mode is an option. What is the difference between the ASCII
The problem of character encoding seems to be very small, often overlooked by technical staff, but it can easily lead to some puzzling problems. Here is a summary of the character encoding of some of the popular knowledge, I hope to be helpful to
Analysis of ASCII and Unicode-encoded message writing files, asciiunicode
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
Chr () and ASCII () functions in Oracle (attached: characters commonly used and ASCII table)keywords: chr ()Chr () function action: Special handling of "special" charactersThe corresponding loadline and special characters can be queried in PlsqlChr (
In mysql, the ASCII function converts characters into ascii code values. the following small series will introduce the usage and examples of ASCII functions in mysql to coders. For more information about coders, see. ASCII (str1)
Returns the ASCII
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
We know that the Tomcat communication is based on the socket, and the socket on the server side and the client passes the message is not encoded byte stream, each 8 bits constitute 1 bytes, the computer is based on the binary system, which is due to
Features of 1.ASCIIASCII is an encoding specification used to denote English characters. Each ASCII character occupies 1 bytes, so the maximum number of characters that the ASCII encoding can represent is 255 (00H-FFH). This is not a problem for
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