Author Archives: albertsk
How to trim a mp4 file in Ubuntu
The following command is to trim “INPUT.mp4” from start time 00:00:00 for a total play duration of 01:33:00, and save it as “OUTPUT.mp4“. No matter what the INPUT.mp4 file size is, this command is done almost immediately.
How to use GitHub
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awk – calculation of sums of rows and columns
awk command in a bash script mydata.dat file
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How to generate a unique directory for each run using Makefile
In command line, one can execute to have 10 different directories in sequence.
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To have a wide equation or content in a two-column document: LaTex and Lyx
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Add the following lines at the end of LaTex or Lyx file
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