符号的工作方式与此相反;如果第一个命令未成功完成,则执行第二个命令。
The | | symbol works in the opposite way; if the first command does not complete successfully, then execute the second.
第一个约定是在方法调用中使用 Ruby 的圆括号(可选);第二个约定就是使用半专有的方法命名,其中使用了在其他语言中作为运算符的符号。
The first element of this is Ruby's optional parentheses in method calls; the second part is its use of semi-special naming of methods with symbols that are operators in most languages.
第二个属性s2指定强度级别,这决定在字符串排序或比较时是否考虑大小写或重音符号。
The second attribute S2 specifies the strength level which determines whether case or accent is taken into account when ordering or comparing strings.
The second rhythmic device that we have to be aware of in music we frequently encounter is this concept of the triplet.
音乐中第二个需要知道的节奏符号,就是我们经常遇到的三连音
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