exclamation point

基本解释

Okay, it’s more a chore than a program, but haven’t you wondered what the red exclamation point in the panel indicates?
要说它是个程序不如说它是个小工具，不过你是否想过在面板指示器上的红色惊叹号是什么意思呢？
You use the bang, or exclamation point (!), to access the history, and the dollar sign ($) returns the last field of the previous command.
您使用感叹号 (!) 来访问历史，然后使用美元符号 ($) 返回前一命令的最后字段。
While this macro-like functionality can come in handy, right now we want a literal exclamation point at the end of our environment variable, rather than a macro.
尽管这个类似于宏的功能很便利，但我们现在只想在环境变量后面加上一个简单的感叹号，而不是宏。

Okay, so while not equal to, so bang equals, exclamation point equals is computer science syntax for saying not equal to, 0 while not equal to 2 which it is not, it is equal to 0.
好的，尽管不等于不是相等的反写,但惊叹号在计算机科学的语法是不等于的意思，尽管不等于2，但它是等于。
哈佛公开课 - 计算机科学课程节选
So now, in this case, this code is going to, when we get here, check, and if you haven't seen that strange thing there, that exclamation point in bang computer-ese called a bang, it says x if ANS star ANS is not equal to x, all right?
那么现在，在这个例子中，当我们执行到这里，代码会去检查,如果你没有看到过这个奇怪的东西,这个感叹号在计算机学中被叫做,代码的意思是如果ANS的平方不等于？
麻省理工公开课 - 计算机科学及编程导论课程节选
We began here so at this point in the story the next thing that's going to happen is this line called Print F that says swap exclamation point, right?
我们从这里开始，在这里,下一步将要发生了的事情是,这行叫做printf的代码,打印：“交换完成！“对不？
哈佛公开课 - 计算机科学课程节选

Everything these elves say seems to have an exclamation point on the end of it.
NPR: Crumpet the Elf Reads from Santaland Diaries

An exclamation point is the sign ! which is used in writing to show that a word, phrase, or sentence is an exclamation.