Category: Tech Topic

mac homebrew

As a loyal fan of Linux system, I have used Ubuntu and Centos, apt package management and Yum package management, which are very convenient. After...

ffmpeg video to image

- specify video time interception image - Output one image every second - Output one image every minute - use the select filter for a set of custom...

fmpeg -filter_complex move image

- Image move from bottom to top in videos - Video with image in the middle - Start zooming in the middle of the picture - Using ffmpeg...

How to store numbers in Javascript

We know that all numbers in Javascript are stored in 64-bit format IEEE-754, also known as “double precision”,whatever the types int or float. When you...

Facing the Sea With Spring Blossoms

From tomorrow on,I will be a happy man. Grooming,chopping and traveling all over the world. From tomorrow on,I will care foodstuff and vegetable. Living in a house towards...

Hello, Everybody. I’m Here.

This is my first article. This site records and shares my development routines. Welcome! :-D:-D:-D...