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
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.
CodingA string is a data type, but a particular string is a coding problem.Because a computer can only handle numbers, if you are working with text, you must convert the text to a number before processing it. The oldest computer was designed with 8
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
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Perl starts to use utf8 encoding internally to represent characters starting from 5.6. That is to say, there should be no problem in processing Chinese characters and other
In the python source code file, if you are useful to non-ASCII characters, you need to make a declaration of character encoding at the head of the file, declared as follows:
# code : UTF - 8
Because Python only checks for #, coding,
Transferred from: http://www.cnblogs.com/evening/archive/2012/04/19/2457440.htmlString encoding Common types: UTF-8,GB2312,CP936,GBK and so on.In Python, we use decode () and encode () to decode and encodeIn Python, the Unicode type is used as the
Basic concepts of 1.URL codingURLs can only be sent over the Internet using the US-ASCII character set. Because URLs often contain characters outside of the ASCII collection, URLs must be converted to valid ASCII formats. URL encoding uses a "%"
Node. js uses Buffer to encode and decode binary data.
JavaScript is good at processing strings, but it is not very good at processing binary data because it was originally designed to process HTML documents. JavaScript has no byte type, no
question:
I developed in Java, according to business needs, to the character set for ASCII byte[], into Chinese.
as
String chinastring = "Hello";
byte[] Cascii = chinastring.getbytes ("Us-ascii");
question added:
string S1 = new String
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