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The biggest advantage of Unicode is that there is only one character set. In other words, a program using Unicode character encoding can be compiled in any country's compiling environment without being
What is Unicode-range?
A look at the name, a lot of small partners may think is something unusual, in fact, this thing is just a strange name, functional critical moment is still very useful.
Unicode-range is a CSS property that is commonly used in
One-encoding history single-byte encoding
2.1.1 ASCII 0-127 7-bit representation2.1.2 ASCII extended code 0-255 8-bit representationCode Page: use the code page to switch the corresponding
Multi-byte encoding
2.1.3 dual-Byte Character Set DBCSOne or
1. ansic and Unicode characters
There is no difference between the two. A single byte and a dual byte, Unicode can represent more characters, suitable for text systems such as Chinese characters.
Define the use of WIDE characters:
2. Methods for
Reading Notes 1 -- Unicode
Wide Section
Unicode is not required for wide bytes. unicode is a possible wide character encoding. ansi c also supports multi-byte character sets. the width character in C is based on the wchar_t data
C # Call the quote interface API
I have already passed the implementation of C # calling the quote interface API (see previous logs), but some people still haven't figured out how to implement it here. First, migrate the data structure to C #
This library primarily provides access toUCDa library of related content. UCDis aUnicodeCharacter Database (Unicode Character DataBase) is abbreviated. UCDby some descriptionUnicodePlain text for character attributes and internal relationships,
_ T ("") is a macro whose role is to allow your program to support Unicode encoding.Because Windows uses the ANSI and Unicode character sets,The former is the common single-byte mode,However, it is inconvenient to process double-byte characters such
Learning GoalsThe second chapter is to learn character and string processing, in order to better understand the content of this chapter, I added additional auxiliary content: storage mode (big-endian storage and small-end storage), character
Unicode SolutionWchar_t is defined in wchar. h as follows:# Define unsigned short wchar_tNow you should understand it.
Therefore, the wchar_t data type is the same as the unsigned short Integer type, and both are 16-bit width.
To define a variable
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