special place quotes

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The difference between single quotes, double quotes, inverted quotes, and backslashes in a Linux shell _linux shell

1. Single quotation mark (') # grep Susan Phonebook Susan Goldberg 403-212-4921 Susan Topple 212-234-2343 If we're looking for Susan Goldberg and can't use the grep Susan Goldberg Phonebook command directly, grep treats Goldberg and phonebook as

The difference between single quotes, double quotes, and inverted quotes in the shell (from the Internet)

The shell can recognize 4 different types of caret symbols: single quote character ' double quote character ' backslash character \ Inverted quote character ' 1. Single quotation mark (') # grep Susan Phonebook Susan Goldberg 403-212-4921 Susan

Single quotes, double quotes, and escape characters in php

PHP single quotes and double quotes can modify string data. if the modified string contains a variable (for example, $ name), the biggest difference is that double quotes replace the variable value, the single quotation mark will output it as a

Explore PowerShell (15) quotes and escape characters _powershell

Basic Usage In conclusion: Single quotes in any case represent only the characters within the quotation marks. In other words, the contents of single quotes do not make the substitution of variables and the escape of characters. In double quotes,

Magic Quotes, addslashes and mysql_real_escape_string defense and bypass

0x00:php built-in filter functionPHP has built-in functions to defend against attacks and simply introduces several functions.Magic QuotesWhen turned on, all ' (single quotes), "(double quotes), \ (backslash), and NULL characters are automatically

The difference between single and double quotes in a Linux shell (there is no question of quotation marks after reading) (GO)

The difference between "" (double quotation marks) and "(single quote)   You hit the keyboard behind the shell prompt, and until you press ENTER, the text you typed is command line, and the shell executes the command you submitted in a process

Efficient Shell-Shell special character Summarization in Linux

Efficient Shell-Shell special character Summarization in Linux In Linux, shell commands are used in any case. In actual use of Shell, it is easy to get started with programming experience, but it is slightly difficult to use the symbols in shell,

Compilation of Shell--shell special characters efficiently under Linux

Linux in any case is to use the shell command, in the actual use of the shell, programming experience is very easy to get started, but a little more difficult is the shell inside the symbols, a variety of special symbols when we write the shell

Shell special Characters Summary "Go"

Linux in any case is to use the shell command, in the actual use of the shell, programming experience is very easy to get started, but a little more difficult is the shell inside the symbols, a variety of special symbols when we write the shell

SQL like wildcard character fuzzy query techniques and special characters

Reprint: http://new-restart.iteye.com/blog/1416765SQL like wildcard character fuzzy query techniques and special charactersSQL like wildcard character fuzzy query techniques and special charactersHow to deal with time query by 1,sql likeThere are

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