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
I have been idle for the past two days. I think it is interesting to display the image content in ASCII code, so I tried to write it myself, I found it online to know that it was still an art-ASCII art !!
I am also tied to art ~
In this case, the
1. ASCII
Returns the decimal number corresponding to the specified character;
Sql> Select ASCII (a) a,ascii (a) a,ascii (0) Zero,ascii () space from dual;
A A ZERO space
--------- --------- --------- ---------
65 97 48 32
2. CHR gives the
If the strings are not the same, the ip address and port are collected from a page. $ ip and $ duankou are collected and cannot be used. However, manual input can be used.
The two strings have different lengths but the encoding is the same. what
ASCII code known as the United States Standard Information Interchange Code (American Standards Code of Information Interchange)How many yards are there? 2 of 7 Power 128Unicode code the world of various languages of the United Code table This Code
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
PHP is one of the most commonly used back-end languages in Web sites, and is a type of system dynamic, weakly typed object-oriented programming language. can be embedded in HTML text, is one of the most popular web back-end languages, and can and
In Windows, when writing programs with file operations, you may encounter a strange phenomenon. In the process of reading a file in text format, the feof () function is unexpectedly true before the end of the file. This is surprising, and it is hard
MySQL injection for Renren substation (without equal sign injection, with verification script)
The SQL injection solution for Renren sub-station is incomplete. You can inject the code without the equal sign and attach a verification
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