Felipe Finhane de Paula felipefinhane

## irc.md

      
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                xero
                / irc.md
            
            
              Last active
              July 10, 2024 12:09
            
              
                irc cheat sheet
              
          
    IRC Reference

Not intended as a guide for newbies, more like a "cheat sheet" for the somewhat experienced IRC user, especially one who wields some power over a channel.
The Basics


/join #channel

Joins the specified channel.


/part #channel
Leaves the specified channel.


## regex.md

      
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                alexandreservian
                / regex.md
            
            
              Last active
              June 25, 2024 16:59
            
              
                Metacaracteres Regex
              
          
    Representantes


Meta
Nome
Função


.
ponto
um caractere qualquer


[]
conjunto
conjunto de caracteres permitidos


[^]
conjunto negado
conjunto de caracteres proibidos


Quantificadores


## ffmpeg_video_examples.sh
# Cut/Trim video
ffmpeg -ss 5 -i input.mp4 -to 10 output.mp4

# Video to gif
ffmpeg -ss 61.0 -t 2.5 -i <input> -filter_complex "[0:v] fps=12,scale=w=480:h=-1,split [a][b];[a] palettegen=stats_mode=single [p];[b][p] paletteuse=new=1" output.gif

# thumbnail
ffmpeg -i mov_bbb.mp4 -ss 00:00:03 -r 1 -s 1280x720 -f image2 thumb_mov.jpeg

#text in video
Meta	Nome	Função
`.`	ponto	um caractere qualquer
`[]`	conjunto	conjunto de caracteres permitidos
`[^]`	conjunto negado	conjunto de caracteres proibidos
	# Cut/Trim video
	ffmpeg -ss 5 -i input.mp4 -to 10 output.mp4

	# Video to gif
	ffmpeg -ss 61.0 -t 2.5 -i <input> -filter_complex "[0:v] fps=12,scale=w=480:h=-1,split [a][b];[a] palettegen=stats_mode=single [p];[b][p] paletteuse=new=1" output.gif

	# thumbnail
	ffmpeg -i mov_bbb.mp4 -ss 00:00:03 -r 1 -s 1280x720 -f image2 thumb_mov.jpeg

	#text in video