programming quotes

Python single quotes, double quotes, and three double quotes (reprinted) Python 22:58:47 read 54 comments 0 font size: LargeMediumSmall subscriptionFirst, the difference between double quotation marks (1) and three double quotation marks (3). Strings represented by double quotation marks are usually written as one line. For example: S1 = "Hello, world" If you wan

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 files to search for # grep ' Susan Gold ' phonebook Susan Goldberg 403-212-4921 When the shell encounters the first single quotation mark, it ignores all the special characters that are followed up to the closing quotation mark. 2. Double quotation m

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 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 files to search for # grep ' Susan Gold ' phonebook Susan Goldberg 403-212-4921 When the shel

There are three types of quotes in the shell: single quotes, double quotes, and anti-quotes. The single quotation mark ' character nonalphanumeric, enclosed by single quotes, appears as a normal character. When special characters are enclosed in single

Http://blog.sina.com.cn/s/blog_6be8928401017lwy.htmlFirst, the difference between 1 double quotation marks and 3 double quotes, the words represented by double quotation marksStrings are usually written in a lineSuch as:S1 = "Hello,world"If you want to write multiple lines, then use \ ("line character"),Such asS2 = "hello,\WorldS2 and S1 are the same. If you use 3 double quotes, you can go straightThe answe

=start=Search keywords:Golang Single QuotesGolang Double QuotesGolang Back QuotesReference results:The conclusion is written in the first: in the go language is not inclined to use single quotation marks to represent strings, use double quotation marks or anti-quotation marks as needed. A go language string is a constant sequence of arbitrary bytes. The string type of the go language is inherently different from the string type of other languages. Java's string, C + + std::string, and Pyth

[Reprinted] differences between single quotes, double quotes, and anti-quotes in linux shell, linuxshell Linux shell can recognize four different types of leading characters: single quotes character 'double quotation marks character "backslash character \ backquotes character'1. Single

In Python, strings can be enclosed in single quotes or double quotes, which are equivalent, while in PHP, some of the single and double quotes are not the same, although the expression of the string, but in PHP single quotation mark resolution faster than double quotation marks. If you need to represent a string object in Python, there is no difference between si

Anti-QuoteThe anti-quote bit (') is located above the TAB key of the keyboard, to the left of the 1 key. Note the difference between the single quotation mark (') on the left side of the ENTER key.Plays the role of command substitution in Linux. Command substitution refers to the ability of the shell to interpolate the standard output of a command anywhere on a command line.as follows, the shell executes the date command in the anti-quotation marks and inserts the result into the content display

The anti-quote bit (') is located above the TAB key of the keyboard, to the left of the 1 key. Note the difference between the single quotation mark (') on the left side of the ENTER key.Plays the role of command substitution in Linux. Command substitution refers to the ability of the shell to interpolate the standard output of a command anywhere on a command line.as follows, the shell executes the date command in the anti-quotation marks and inserts the result into the content displayed by the