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How do I clear/delete the current line in terminal?
... Ctrl+U to clear up to the beginning.
You can use Ctrl+W to delete just a word.
You can also use Ctrl+C to cancel.
If you want to keep the history, you can use Alt+Shift+# to make it a comment.
Bash Emacs Editing Mode Cheat Sheet
...
How does “cat
...ell to read input from
the current source until a line
containing only word (with no trailing
blanks) is seen.
All of the lines read up to that point are then used as the
standard input for a command.
The format of here-documents is:
<<[-]word
h...
Convert all first letter to upper case, rest lower for each word
I have a string of text (about 5-6 words mostly) that I need to convert.
11 Answers
11...
Why do Java programmers like to name a variable “clazz”? [closed]
...? Is this some kind of convention ? I think 'clazz' is not even an English word , has no meaning at all , how can so many programmers name a wrong name coincidentally ?
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MVC演化史 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...发工作，为了适应更复杂的逻辑，开发了Classic MVC的改进版，也就是Application Model MVC，在原有架构基础上引入了Application Model，如下图所示：
Application Model MVC
图解：Application Model在Model和View、Controller之间扮演着一个中继者的...
How to negate specific word in regex? [duplicate]
...r] but I need a regular expression where negation applies to the specific word - so in my example how do I negate an actual bar , and not "any chars in bar"?
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Good MapReduce examples [closed]
I couldn't think of any good examples other than the "how to count words in a long text with MapReduce" task. I found this wasn't the best example to give others an impression of how powerful this tool can be.
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Looping through the content of a file in Bash
... in text files without the extra step of using separate script files.
for word in $(cat peptides.txt); do echo $word; done
This format allows me to put it all in one command-line. Change the "echo $word" portion to whatever you want and you can issue multiple commands separated by semicolons. The...
Java: method to get position of a match in a String?
...cified index].
String text = "0123hello9012hello8901hello7890";
String word = "hello";
System.out.println(text.indexOf(word)); // prints "4"
System.out.println(text.lastIndexOf(word)); // prints "22"
// find all occurrences forward
for (int i = -1; (i = text.indexOf(word, i + 1)) != -1; i++) {...
What is Full Text Search vs LIKE
...anking algorithm to quantify how strongly a given record matches search keywords.
The SQL LIKE operator can be extremely inefficient. If you apply it to an un-indexed column, a full scan will be used to find matches (just like any query on an un-indexed field). If the column is indexed, matching ca...