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I. Variable naming rules 1. Variable names can only be letters, numbers, Any combination of underscores 2. Variable names cannot begin with a number 3. Some reserved fields cannot be used as custom variable names 4 variable names need to have a definite meaning, such as a variable that holds the name, preferably defined as a variable name such as name two. Character encoding character encoding is used to convert the input character to machine code. ASCII code is the earliest character encoding in the world, the earliest character encoding in China is GB2312, which contains more than 7,000 Chinese characters and symbols, and the first expansion contains more than 20,000 Chinese characters. Character encoding for the GBK1.0, the second expansion of a total of more than 27,000 Chinese characters, character encoding for GB18030. The Unicode character encoding is introduced internationally for uniform character encoding because it requires more storage space than the original ASCII encoding in English, and after compression optimizations the UTF-8 character is introduced encoding, which is stored in English, is still a character of one byte, storing a Chinese character as three bytes. Three. Python user interaction Python has a variety of interactive programs and can also be called interpreters. The most commonly used interactive program is Cpytho

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Introduction: I. Variable naming rules 1. Variable names can only be letters, numbers, Any combination of underscores 2. Variable names cannot begin with a number 3. Some reserved fields cannot be used as custom variable names 4 variable names need to have a definite meaning, such as a variable that holds the name, preferably defined as a variable name such as name two. Character encoding character encoding is used to convert the input character to machine code. ASCII code is the earliest character encoding in the world, the earliest character encoding in China is GB2312, which contains more than 7,000 Chinese characters and symbols, and the first expansion contains more than 20,000 Chinese characters, and the character encoding is GBK.

2. About the String function Hex2bin () 10 articles recommended

Summary: the htmlentities () function of the PHP string function converts a character to an HTML entity. The Html_entity_decode () function converts an HTML entity to a character. The HEBREVC () function converts a right-to-left stream of Hebrew text to a left-to-right stream. It will also convert the new line (n) to. The Hebrev () function converts a right-to-left stream of Hebrew text to a left-to-right stream. Get_html_translation_table () function returned by h ...

3. About PHP Html_entity_decode () functions 10 articles recommended

Summary: the htmlentities () function of the PHP string function converts a character to an HTML entity. The Html_entity_decode () function converts an HTML entity to a character. The HEBREVC () function converts a right-to-left stream of Hebrew text to a left-to-right stream. It will also convert the new line (n) to. The Hebrev () function converts a right-to-left stream of Hebrew text to a left-to-right stream. Get_html_translation_table () function returned by h ...

4.10 article Recommendations for PHP HEBREVC () functions

Summary: the htmlentities () function of the PHP string function converts a character to an HTML entity. The Html_entity_decode () function converts an HTML entity to a character. The HEBREVC () function converts a right-to-left stream of Hebrew text to a left-to-right stream. It will also convert the new line (n) to. The Hebrev () function converts a right-to-left stream of Hebrew text to a left-to-right stream. Get_html_translation_table () function returned by h ...

5. About PHP Hebrev 10 articles recommended

Summary: the htmlentities () function of the PHP string function converts a character to an HTML entity. The Html_entity_decode () function converts an HTML entity to a character. The HEBREVC () function converts a right-to-left stream of Hebrew text to a left-to-right stream. It will also convert the new line (n) to. The Hebrev () function converts a right-to-left stream of Hebrew text to a left-to-right stream. Get_html_translation_table () function returned by h ...

6. About the String function chr () 10 articles recommended

Introduction: The CHR function is used to convert ASCII code to character Ord function is used to convert characters to ASCII ASCII code is the computer can display the character encoding, its value range is 0-255, including punctuation, letters, numbers, Chinese characters and so on. In the programming process, the specified characters are often converted to ASCII code for comparison. The following is a function that PHP provides to convert ASCII codes and characters. 1. The Chr () function is used to convert an ASCII value into a string. Its function is declared as follows: string chr (int ...

7. Recommendation of 10 articles on method summary

Introduction: This article mainly introduces the Java character transcoding three methods summary and the relevant data, the need for a friend can refer to the following Java character transcoding: Three ways to transcode the premise of success: decoding without garbled transcoding process: file (GBK)--> decoding--> Coding---> files (utf-8)   Note: If you have any questions, please leave a message   the following specific example   method one: java.lang.string//constructor for decoding:  String (byte[...

8. A detailed introduction to character transcoding

Introduction: This article mainly introduces the Java character transcoding three methods summary and the relevant data, the need for a friend can refer to the following Java character transcoding: Three ways to transcode the premise of success: decoding without garbled transcoding process: file (GBK)--> decoding--> Coding---> files (utf-8)   Note: If you have any questions, please leave a message   the following specific example   method one: java.lang.string//constructor for decoding:  String (byte[...

9. Python's tips for filtering strings

Summary: The map function in Python is very useful, both in character conversion and character traversal, and now it's there, what kind of surprise will it bring us? Do you want to tell us that map is very good, and later to find it to play it?

Example code sharing for XML Word representable Map tool class

Introduction: This article describes the XML Word representable Map tool class sample code sharing, a friend in need, can refer to the following

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