Difference Between Single and Double Quotes in the Bash Shell? You can use either single or double quotes to create a string:. 在JavaScript中,可以使用单引 号或双引号。 In JavaScript, either single quotes or double quotes may be used. Or you can escape the single quote to the entity' SQL使用单引 号来环绕文本值(大部分数据库系统也接受双引号)。 SQL requires single quotes around text values most database systems will also allow double.
You can use single quotes or double quotes, make sure you are consistent. SQL使用单引 号来环绕文本值(大部分数据库系统也接受双引号)。 SQL uses single quotes around text values(most database systems will also accept double quotes). 有些公司只提供单引 脚型号,另一些则提供多引脚产品。 Some companies only offer single pin models, while others offer multi pin products. 使用单引 号还是双引号是主观的,并且取决于棋手的棋力。 Whether a single or double question mark is used is subjective and may depend on the player's strength. 大多数情况下,使用单引 号是为了避免shell将$解释为shell变量。 Most often single quotes are used, to avoid having the shell interpret$ as a shell variable. 请记住任何日期或者时间的文本输入需要由单引 号包围,就像一个文本字符串一样。 Remember that any date or time input needs to be enclosed into single quotes , like text strings. 单引 号和双引号都可以用来创建字符串:'hi'和"hi"是相同的表达式。Single and double quotes can both be used to create strings:'hi' and"hi" are identical expressions. 等待下一行,等待以单引 号(“'”)开始的字符串的结束。 Waiting for next line, waiting for completion of a string that began with a single quote . 单引 号你可以使用单引 号来指定字符串,例如'将我这样框进来'或'Quotemeonthis'。You can specify strings using single quotes such as'Quote me on this'. 请记住任何日期或者时间的文本输入需要由单引 号包围,就象一个文本字符串一样。 Remember that any date or time literal input needs to be enclosed in single quotes , like text strings. 单引 以自豪的提供它的居民有很多的机会来获得活跃贯穿全年。Mono prides itself on providing its residents with lots of opportunities to get active throughout the year. 为了令长字面常量对人类更易读,我们可以使用单引 号(')作为数字分隔符。 To make long literals more readable for humans, we can use a single quote (') as a digit separator. 单引 号之间可能不会出现单引 号,即使在前面加上反斜杠时也是如此。A single quote may not occur between single quotes , even when preceded by a backslash. 一本一流的单引 号(三,3)符合的译本,和另一个(I,23)几乎是顺应性。 A single quotation of this first class(iii, 3) conforms to the Septuagint, and another(i, 23) is almost conformable. 这里有三个例外,它们并非来自模式文件:乘号(640×480)、'单引 号'和“双引号”。 There are three exceptions which do not come from that pattern file: multiplication entity(640×480),'single ' and„double quotes“. 记住,单引 号和双引号字符串是完全相同的--它们没有在任何方面有不同。 Remember that single-quoted strings and double-quoted strings are the same- they do not differ in any way. 还应确保将要视为文本值的非文本值用单引 号或双引号括起来。 Also make sure that non-text values that are to be treated as text values are enclosed in single or double quotation marks.字符都写在单引 号,如'A'(多个字符(字符串)使用双引号,如“ABC”)。 Character literals are written in single quotes , like this:'A'(for multiple characters- strings- use double quotes:"ABC"). 如果单引 号()是文字字符串的一部分,则可以由两个单引 号()表示。 If a single quotation mark() is part of the literal string, it can be represented by two single quotation marks(). Perl/PHP程序员要注意,单引 号字符串和双引号字符串是相同的--他们不以任何方式不同。 Note for Perl/PHP Programmers- Remember that single-quoted strings and double-quoted strings are the same- they do not differ in any way.
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