The extra single quotes are escape characters.
“额外” 的那个单引号是换码符。
SolidDB strings are delimited by single quotes.
soliddb字符串使用单引号分隔。
The use of the two single quotes is discussed in the next section.
下一节讨论为什么要使用两个单引号。
To ignore a signal, use two single quotes in place of the command_list
要忽略某个信号，使用两个单引号代替 command_list
Ruby does not process any data in a string if you wrap it in single quotes.
Ruby不处理任何用单引号括起来的字符串信息。
The third thing to notice is the use of single quotes to surround the 'd' command.
第三件要注意的事是括起'd'命令的单引号的用法。
Atoms must start with a lower case character, or you can delimit with single quotes.
原子值必须以小写字母开头，否则需要加上单引号。
Single quotes are better, because then you can use double quotes inside the one-liner.
单引号更好，因为使用单引号后您可以在一行程序内使用双引号。
Note that we have used single quotes around the conditional values in the examples.
我们在上面那个举例中对条件值使用了单引号。
The careful reader will realize that this may fail badly if the passed argument includes single quotes.
细心的读者会发现，如果传递的参数包含单引号，将会完全失败。
Alphabetic strings may be enclosed in apostrophes (single quotes) or quotation marks (double quotes).
字母字符串可以用撇号(单引号)或引号(双引号)括起来。
Here, the first string is defined with a pair of single quotes. The second one USES a pair of double quotes.
这里，第一个字符串使用一对单引号定义，第二个字符串使用一对双引号定义。
Variable substitution is not done in text literals which are surrounded by single quotes (apostrophe s).
在被单引号(即省略号，呼号)环绕的文本字面值里，变量替换不会进行。
You will need to strip these single quotes accordingly in your connector if your repository does not require them.
如果存储库不需要单引号，那么连接器应该去掉这些单引号。
For instance, did you notice that there were no single quotes around the array indexes ($x[sales] and $x[profit])?
比如，你有没有发现在数组索引里没有用引号将字符串括起来？
The value cannot be changed. Literal characters are enclosed in single quotes, literal strings in double quotes.
字面值字符用单引号括住，而字面值字符串则用双引号括住。
However, all parameter values are enclosed in single quotes, which makes the contents within the quotes a literal string.
但所有参数值都使用单引号括入，这使单引号中的内容成为了字符串。
You do so by using the run command, which takes a single argument: the name of the script file enclosed in single quotes.
通过使用run命令可实现该操作，该命令接受单个参数：单引号括起的脚本文件名。
If the parameter is a character-based input parameter, then you would specify the literal value surrounded in single quotes.
如果参数是基于字符的输入参数，那么在单引号中指定字面值。
You should also notice that each value term is surrounded by single quotes, exemplified by this full-text query: word='hello'.
还应该注意，每个值由单引号包围，例如全文查询：word='hello'。
Replace the single quotes used for the expr attribute with double quotes, and then escape the double quote (") characters to ".
用双引号代替expr属性中所用的单引号，然后将双引号(“)字符转义成”。
If you use double quotes around your string-based query predicate, instead of pairs of single quotes, you'll get a syntax error.
如果在基于字符串的查询谓词周围使用双引号，而不是单引号，就会收到语法错误。
It's a good idea to get into the habit of using single quotes to surround your sed commands, so that shell expansion is disabled.
养成使用单引号来括起sed命令的习惯是个好注意，这样可以禁用shell扩展。
If you just want to output a basic string, use single quotes! There is a marginal performance benefit, since the string does not get parsed.
如果你只想输出一个基本的字符串，就用单引号吧，这样会节省一些资源。
String analysis automatically computes that by the time it is concatenated to the SQL command, it cannot include single quotes or semicolons.
字符串分析能够自动计算出，到它连接到此SQL命令时候位置，它不可能包含单个的引号或者分号。
To alleviate this problem, you need to escape dangerous characters from the user-submitted values, most particularly the single quotes (').
为了避免这样的问题，应该对用户提交的数据进行危险字符的过滤，最主要的就是单引号（’）的过滤。
When you set a value for the MCAUSER attribute, enclose the value in single quotes to avoid issues with case sensitivity on distributed platforms.
当您设置mcauser属性的值时，应该将值包括在单引号中，以避免分布式平台上的区分大小写问题。
Because using single quotes disables a bash feature called expansion, where special characters and sequences of characters are replaced with values.
因为使用单引号禁用了称为扩展的bash特性，其中，特殊字符和字符系列由值替换。
Note that although the example might appear to use double quotes, it actually USES two single quotes before and after the comparison value (" Gold ").
注意，虽然这个例子看上去使用了双引号，但实际上它是在比较值(“ Gold ”)前后使用了两个单引号。
Note that although the example might appear to use double quotes, it actually USES two single quotes before and after the comparison value (" Gold ").
注意，虽然这个例子看上去使用了双引号，但实际上它是在比较值(“ Gold ”)前后使用了两个单引号。
应用推荐