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1. ASCII ASCII (American Standard Code for information interchange, US Information Interchange Standard)CodeIs a computer coding system based on Latin letters. It is mainly used to display modern English and other Western European languages. It is the most common single-byte encoding system today and is equivalent to the international standard ISO/IEC 646. Because the number of one-bit binary data can b

http://blog.csdn.net/pipisorry/article/details/42387045ASCII codeThe ASCII code specifies a total of 128 characters, such as a space "space" is 32 (binary 00100000), the uppercase letter A is 65 (binary 01000001). These 128 symbols (including 32 control symbols that cannot be printed out) take up only one byte of the latter 7 bits, and the first 1-bit uniform is 0.Non-ASCII encodingIt is enough to encode 12

ASCII art is a technology that uses computer printable characters (generally 96 printable characters in ASCII Code) to express graphics. The traditional ASCII art is based on htmlCodeHowever, due to the differences between different browsers, the ASCII art that can be perfectly displayed in one browser is beyond the re

First, HTML entities1. What is an HTML entity?In HTMl, some characters are reserved. Less than (If you want to display reserved characters correctly, you must use the character entity (HTML entities) in the HTML source code.2. Character entity classentity_name or #entity_number;Tips:The advantage of using entity names instead of numbers is that names are easy to remember.However, the browser may not support all entity names (support for entity numbers is good)3. Non-breaking space (non-breaking

ASCIIThe ASCII code is a 7-bit code with the encoding range of 0x00-0x7f. The ASCII character set includes English letters, Arabic numerals, punctuation marks, and other characters. 0x00-0x20 and 0x7f contain 33 control characters.The system that only supports ASCII Code ignores the maximum bit of each byte and considers the low 7 bits as the valid bit. Hz charac

Python built-in functions (4) -- ascii, pythonascii English document: Ascii(Object) AsRepr (), Return a string containing a printable representation of an object, but escape the non-ASCII characters in the string returnedRepr ()Using\ X,\ UOr\ UEscapes. This generates a string similar to that returnedRepr ()In Python 2. Note: 1. Return a printable string rep

Introduction ASCII (American Standard Code for Information interchange, United States Standards Information Interchange Code) is a set of computer coding systems based on the Latin alphabet, mainly used to display modern English and other Western European languages. It is now the most versatile single-byte encoding system and is equivalent to ISO/IEC 646. The ASCII code uses the specified7-bit or 8-b

First, let's briefly talk about the history. The ASCII code was first developed by Americans. What is it? We know that the computer only knows 0 and 1. If we want the computer to recognize characters other than 01, for example, 'A', we must first tell the computer that '123' is 'A '. Just like the moss password, it means SOS ). The so-called character encoding means to intercept with the computer and agree with the computer What character a series of

Conversion between 2, 10, Hex and ASCII codes in C # -------- // Conversion of various character types in C #, used for serial communication ------------ // Understanding of character LengthString S = "I Am a 2 soldier ";Int Len = S. length; // 6 CharactersByte [] Sarr = system. Text. encoding. Default. getbytes (s );Len = Sarr. length; // 11 bytes // It does not make sense to convert the string to a 10-digit notation. It must be converted to the

In xcode, files are saved in utf8 format. Therefore, the variable object is also saved in utf8 format. Different Languages have different utf8 codes. English utf8 codes are the same as ascii codes. The number of UTF-8 encoded bytes for each character in different languages is different, and the bytecode is also different. For English characters, It is very convenient to view its ascii code. It is its

Currently, the most widely used character set and Its Encoding in computers are American Standard Code for information interchange (American Standard Code for information interchange) developed by the National Bureau of Standards (ANSI ), it has been set as an international standard by the International Organization for Standardization (ISO), known as the ISO 646 standard. It is applicable to all Latin characters, including 7-digit ASCII code and 8-di

Character encoding ASCII, Unicode and UTF-8, asciiutf-8 Http://blog.csdn.net/pipisorry/article/details/42387045 ASCII code The ASCII code consists of A total of 128 characters. For example, the SPACE is 32 (Binary 00100000), and the uppercase letter A is 65 (Binary 01000001 ). These 128 symbols (including 32 control symbols that cannot be printed) only occupy the

Ascii code. PHPcode lt ;? Php *** ASCII to hexadecimal and hexadecimal to ASCII * non-profit organizations or individuals may feel free to reprint them, for commercial purposes, please obtain the author's consent ** convert ASCII to hexadecimal functionasc2hex ($ str) {returnx. substr (chunk_split (bin2hex (

Reference:Http://www.ruanyifeng.com/blog/2007/10/ascii_unicode_and_utf-8.htmlHttp://www.cnblogs.com/mjgforever/archive/2008/02/27/1083135.html1. ASCII codeWe know that inside the computer, all the information is ultimately represented as a binary string. Each bits (bit) has 0 and 12 states, so eight bits can combine 256 states, which is called a byte. In other words, a byte can be used to represent 256 different states, each of which corresponds to a

Title DescriptionI believe everyone must know the famous ASCII code, this time to your task is to enter a number (representing the ASCII code), the output of the corresponding character information.Input formatThe first behavior is an integer T (1Next consists of a T-positive integer, separated by a whitespace character. (whitespace characters include spaces, line breaks, tab characters)These integers are n

ASCII-code OrderingTime limit:2000/1000 MS (java/others) Memory limit:65536/32768 K (java/others)Total submission (s): 103963 Accepted Submission (s): 43442Problem description Input Three characters, the ASCII code of each character is printed in order from small to large to output these three characters.Input data has more than one group, each of which consists of three characters and no spaces between th

The boxes command is not only a text filter, but also a very interesting tool that few people know, and it can be used in various ASCII art drawings in the text or around the code. You can use it to quickly create message signatures, or leave comment blocks in a variety of programming languages. This command can be used in the Vim text editor, but it can also be used in a variety of text editors that support filters, and can be used separately from th

ASCII code sorting time limit: ms | Memory limit:65535 KB Difficulty:2 description after entering three characters (which can be repeated), the ASCII code of each character is printed in the order of three characters from small to large. Enter the first line to enter a number n, indicating that there are n sets of test data. The next n rows enter multiple sets of data, each with a row of three character

Learning machine learning problems arise, Baidu has not finished a half-day, but know the reason for the following reasons: Because Python uses ASCII encoding by default, and when Python converts between encodings, the Unicode As an "intermediate code", but Unicode is only 128 that long, so this error is reported here when attempting to convert an ASCII-encoded string to "intermediate encoded" Unicode bec

python default encoding error syntaxerror:non-ascii character ' \xe5 ' solution when writing Python, when you run a script using the Chinese output or comment, you are prompted with an error message: SyntaxError: Non-ascii character ' \xe5 ' in file ******* Workaround: Python's default encoding file is the ASCII code, and you save the file as a UTF-8 ... (This pr