Document directory
Introduction
The difference between ASCII and binary files?
Example of ASCII files
Editing binary files
Viewing binary files
Writing binary files, part 2
Summary
ASCII, GB2312, GBK, UTF-8 encoding:
Original address: HTTP://HI.BAIDU.COM/PHPEASE/ITEM/F450B5CAEC143014505058FC
variable naming rules:
1. Variable names are case-sensitive (case-sensitive).
2. Must begin with a letter or underscore. Variable
In the Python programming, encountered the need to convert letters to ASCII code, originally thought with an int () can directly convert the string into a shape, but int () with a default parameter, base=10, here is the decimal, if the letter
American Standard Information Interchange Standard Code
(American Standard Code for information interchange, ASCII)
In a computer, all data is stored and computed in binary representation (because the computer is silly, only the binary values of
Chr () and ASCII () functions in Oracle (attached: characters commonly used and ASCII table)keywords: chr ()Chr () function action: Special handling of "special" charactersThe corresponding loadline and special characters can be queried in PlsqlChr (
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
From: http://blog.163.com/yang_jianli/blog/static/161990006201371451851274/--------------------------------------------------------------------------------------------1. ANSI CodeBoth Unicode and ANSI are representations of character codes. To
ASCII (American Standard Code for information interchange) is 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
ASCIIIn a computer, all data is stored and computed using binary numbers (because the computer represents 1 and 0, respectively, with high and low levels), for example, 52 letters (including uppercase) such as a, B, C, D, and 0, 1, and other
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
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