When I make a video record on Simulator, the file size is too large, we can use the following command to compress the video file.
ffmpeg -i input.mp4 -vcodec h264 -acodec aac output.mp4
When I make a video record on Simulator, the file size is too large, we can use the following command to compress the video file.
ffmpeg -i input.mp4 -vcodec h264 -acodec aac output.mp4
I installed the wordpress several days ago, when I try to upload a featured image, it tell me that the max upload size is 2M, I updated the nginx setting, but php seems not get the value from nginx. I also searched the internet, and there are some suggestions, but it still does not work in my case, I described how I solved the problem in this article.
Continue readingIn one of my project, there are some tables, and we save the id value of one table on another table, for example, we have album information, which has albumId and albumName fields, and on another table episode, it contain the albumId value, so when I query episode, I also want to get the albumName, and most of the albumId is the same.
Continue readingRecently I encounter a wired problem, which is I cannot connect to the mysql server with mysql client on the server, but the application can connect. I finally find the solution to solve the problem, but still don’t know the cause of the proelbm.
Continue readingI want to backup my data to another server with lsyncd
, when I do this, I encounter two problems, here is the solution that I solve the problem.