- Rule 20-20-20 Protect your eyes from the computer screen, after every 20 minutes of work, look about 20 feet away for 20 seconds.
- Search for "size: gigantic" to clean up large files that are no longer important
- F12 for fast file saving
- F2 rename the file immediately
- Ctrl + Delete to completely delete the file
- Press Alt Tab to switch between worksheets
- Ctr T to open a new tab on the browser
- Ctrl Shift Tab to reopen the Tab just closed
- Ctrl D (F11 on Mac) to hide all current tabs
- Ctrl + rotate the mouse wheel to zoom in
- Space to scroll down
- Shift + Space to scroll the page up
- Enter the email of the last sender in case the mail is not ready, click "Send".
- You can use Google to do the math for you. Just type in calculations like 23 * 7 + 15/3 = and press Enter.
- Besides, Google also converts all types of units.
13 extremely useful YouTube shortcuts you probably do not know yet
K: Stop, play the video.
L: Go to 10 seconds.
J: Back 10 seconds
- When stopped, press, and. to go to or backward one frame. It's useful if you want to see situations that happen too fast.
M: Turn on, turn off sound.
C: Turn on and off subtitles.
W: Change the opacity of the subtitle frame.
- F: Turn on / off full screen mode.
- Up and down arrow: Change the volume
- Left and right arrows: Go forward, backward for 5 seconds.
Shift + N and Shift + P: Go to the next or previous video.
