Tips for vim

Tips A: insert J at the end of the line: remove the line break between the line and the next line, that is, the next line is continued to the end of the line ~ : The characters at the cursor are case-insensitive. zz: place the current row in the middle of the page to facilitate reading The zt: place the current row at the top of the page. when reading the function definition, very useful ctrl-a: You can add 1 to the number where the cursor is located, and add a negative number and multiple digits to the supported range. You can use this shortcut key with macros to do a lot of things. Ctrl-x: If you add 1, you can subtract 1. It's smart!