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historical annotations. Before Unicode, there was a separate character encoding system for each language, and each system used the same number (0-255) to represent the characters of the language. Some languages (like Russian) have several conflicting criteria for how to represent the same characters, and others (like Japanese) have too many characters and require multiple character sets. It is difficult to document communication between systems becaus

In the past two days, I took the time to summarize/sort out the actual encoding methods and usage of various encodings in Java applications. I will record them here for future reference. In order to form a complete understanding and in-depth understanding of text encoding, in order to deal with various problems encountered during Java development, especially the garbled problem, I think it is better to make up a series to describe and analyze, including three articles: First Article: Java charac

VC++6.0Unicode programming is supported, but the default value is ANSI. developers can easily write UNICODE-Supported Applications by slightly changing the coding habits. UseVC++6.0Unicode programming mainly involves the following tasks: 1. Add UNICODE and _ UNICODE preprocessing options for the project. Specific steps: open [project]-> [settings…] In the "pre-pr

One, CString turn char * CString pb=_t ( " abc " ); int len = WideCharToMultiByte (Cp_utf8, 0 , PB, Pb. GetLength (), NULL, 0 char * pa = new char [len + 1 ]; Len = WideCharToMultiByte (Cp_utf8, 0 , Pb, Pb. GetLength (), PA, len + 1 = 0 ; // pa is the last converted char * Second, char * turn CStringCString st=_t ("123"); intNlength =St. GetLength (); intNbytes = WideCharToMultiByte (CP_ACP,0, St,nlength,null,0, Null,null); Char* path1 =New Char[Nbytes +1]; memset (path1,0,

str ='\u4eac\u4e1c\u653e\u517b\u7684\u722c\u866b' Method 1 using Unicode_escape decodingPrintStr.decode ('Unicode_escape')PrintUnicode (str,'Unicode_escape') Method 2: If it is in JSON format, use json.loads decodingPrintJson.loads (''%s ''%str)Method 3: Use evalPrintEval'u "%s"'%str)Method 4: Use Python3Summarize:1. Str.encode () converts the string to its raw bytes form; Bytes.decode () converts raw bytes to a string form2. When encountering a similar coding problem, first check the response c

In Python, there is a Chinese transcoding problem in Urllib2.urlopen, the workaround is as follows:1.Import BeautifulSoupImport ChardetResponse =urllib2.urlopen ('%s '%line)#response. Decode (' Utf-8 ')#response = Urllib2.urlopen (' http://www.baidu.com/')html = Response.read ()Pdb.set_trace ()#print html.decode (' Big5 '). Encode (' UTF8 ')Urlcodestyle=chardet.detect (HTML)Sourcehtml=html.decode ('%s '%urlcodestyle[' encoding '). Encode (' Utf-8 ')How to use 2.sourcehtml:Import BeautifulSoup"""

Song Body SimSun \5b8b\4f53 Blackbody Simhei \9ed1\4f53 Microsoft Ya-Black Microsoft Yahei \5fae\8f6f\96c5\9ed1 Microsoft is in black Microsoft Jhenghei \5fae\x8f6f\6b63\9ed1\4f53 New song Body Nsimsun \65b0\5b8b\4f53 New Fine Ming Body PMingLiU \65b0\7ec6\660e\4f53 Fine Ming Body MingLiU \7ec6\660e\4f53 Mark in italics Dfkai

This article illustrates the way JavaScript implements Unicode and ASCII conversion to each other. Share to everyone for your reference, specific as follows: I hope this article will help you with JavaScript programming.

Perfect handling of strings mixed with Unicode codes and other strings Method One: public static string decode (String unicodestr) { if (unicodestr = null) {return null; } StringBuffer retbuf = new StringBuffer (); int maxloop = Unicodestr.length (); for (int i = 0; i Method Two: Using the Org.apache.commons.lang.stringescapeutils#unescapejava (String) method

The looks like this: Package test.com.gjob.services; Import java.util.Properties; public class Test {public static void main (string[] args) {String s = "Introduction"; String TT = gbencoding (s); String tt1 = "Hello, I want to tell you one thing"; System.out.println (Decodeunicode ("\\U7B80\\U4ECB")); System.out.println (Decodeunicode (TT1)); System.out.println (Htmldecoder.decode ("China")); String S1 = "\U7B80\U4ECB"; System.out.printl

I.ANSIAnd Unicode ANSICharacters andUnicodeCharacterThe ANSI character type is Char, pointing to the string pointer pstr (lpstr), pointing to a constant string pointer pcstr (lpcstr ); the corresponding windows-defined UNICODE character type is wchar (typedef wchar wchar_t), pointing to the Unicode string pointer pwstr, pointing to a constant

Unicode and Utf-8 in Python The history of the character set mentioned in this article is a brief explanation of the relationship between Unicode and Utf-8, briefly summarizing:Utf-8 and Utf-16, Utf-32 is a class, the realization of the function is the same, but the most widely used utf-8, but Unicode and utf-8 is not the same class,

absrtact : When writing Python scripts, if we use Python to process Web page data or work with Chinese characters, this error message often occurs: syntaxerror:non-ascii character ' \ Xe6 ' in file./filename.py of Line 3, but no encoding declared. This article focuses on issues related to Unicode and Chinese, and special character encoding in Python. What rules should be followed for character encoding and decoding. Objective: If the password domain

Read and Write Unicode files in the ANSI environment of VC Programming I did not notice that the differences in file encoding will cause so many problems. I have searched a lot of information before I started, and I have added many of my predecessors to my blog. I would like to pay tribute to them here!I will not talk about the principle of ANSI and Unicode encoding here. I will mainly talk about how to r

Http://www.cnblogs.com/cy163/archive/2007/05/31/766886.htmlUnicode,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 is completely different. such as "Han" Uncode value and GBK is not the same, assuming that Uncode is A040,GBK for b030, and Uft-8 code, that is, t

In the front-end development, in order to make Chinese in different environments can be very good display, is generally translated into Unicode format, that is, u4f60, such as: "Hello," The Unicode code for "u4f60u597du554a." JS to convert Chinese to Unicode encoding is very simple. JS Code:function Convert2unicode (str) {Return Str.replace (/[u0080-uffff]/g,Fu

Click here to view the original article 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 considered garbled, it can also display characters normally in the editing environment of any language, rather than garbled characters. Does

Introduction If you live in Eastern Europe, Japan or the Middle East, and you write computer programs, you are probably familiar with Unicode. if you are writing programs in Visual C ++/MFC, then you probably have experienced some of the problems with trying to write code that runs under Unicode and ASCII. this article shocould help clear up some of the confusion. the principles here will work for any

Character encoding notes: ASCII, Unicode and UTF-8 I suddenly wanted to figure out the relationship between Unicode and UTF-8, so I began to look up information online. As a result, this problem is more complicated than I thought. After lunch, we can see that the problem is fixed at AM. Below are my notes, mainly used to sort out my own ideas. However, I try to make it easy to understand and hope it can b

At noon today, I suddenly wanted to figure out the relationship between Unicode and UTF-8, so I began to look up information online. As a result, this problem is more complicated than I thought. After lunch, we can see that the problem is fixed at AM. Below are my notes, mainly used to sort out my own ideas. However, I try to make it easy to understand and hope it can be useful to other friends. After all, character encoding is the cornerstone of comp