A Journal Through My Activities, Thoughts, and Notes
#tool 发现一个好东西
OCR - Image Reader is a useful chrome extension as it can help OCR not only the texts on a image but also texts in any area of a web page. You know some website doesn't allow you to copy its content, and this extension can help!
OCR - Image Reader is a useful chrome extension as it can help OCR not only the texts on a image but also texts in any area of a web page. You know some website doesn't allow you to copy its content, and this extension can help!
#sed
In command:
Using the
You can simplify it to:
This will work just as effectively. The
In command:
sed -e "s/\r//g" input-file
Using the
-e switch in the sed command is not strictly necessary in this context. The -e option is used to specify a script to be executed, but if you're providing a single expression, sed can interpret it without the -e.You can simplify it to:
sed "s/\r//g" input-file
This will work just as effectively. The
-e flag is more relevant when you want to include multiple expressions in one command, for example:sed -e "s/\r//g" -e "s/foo/bar/g" input-file#english
- Hand in 意思是“上交”或“递交”,通常指把作业、文件等交给某人。例如:“Please hand in your homework.”(请上交你的作业。)
- Hand out 意思是“分发”或“发放”,指把物品、文件等分给一群人。例如:“The teacher handed out the test papers.”(老师分发了试卷。)
hand in and hand out- Hand in 意思是“上交”或“递交”,通常指把作业、文件等交给某人。例如:“Please hand in your homework.”(请上交你的作业。)
- Hand out 意思是“分发”或“发放”,指把物品、文件等分给一群人。例如:“The teacher handed out the test papers.”(老师分发了试卷。)