Noémien Kocher nkcr

Vocabulaire

gem build  blabla.gemspec
gem push blabla.gem

npm

Install opencv3 with brew

brew tap homebrew/science
brew install opencv3

Be sure to have pkg-config, otherwise install it:
brew install pkg-config

be sure to have pkg-config var set correctly

rsync version 3.1.2

rsync -a --progress --stats --human-readable -e "ssh -T -c arcfour -o Compression=no -x" <source> <destination>

	# ogv
	$ ffmpeg -y -i movie.mov -vcodec libvpx -acodec libvorbis ffmpeg.webm

	# normal mp4
	$ ffmpeg -y -i movie.mov -vcodec libx264 -acodec libfaac -s 1920x1080 ffmpeg.mp4

	# rescale
	$ ffmpeg -ss 30 -y -i movie.mov -s 1920x1080 ffmpeg.png

	# extract images

	$ mkdir ~/Desktop/$(date +%Y-%m-%d)
	$ gsutil -m cp -L ~/Desktop/pgsql/manifest.txt -R gs://backup-reseaujeunesse-ch/pgsql ~/Desktop
	$ gsutil -m rm gs://backup-eebulle-ch/pgsql/* # no worry if it delets pgsql folder, it will be created automatically by backup script
	$ gsutil ls gs://backup-reseaujeunesse-ch/pgsql \| grep -v .*0207.sql.aes \| gsutil -m rm -I

	//
	// A pointer is ...
	uint16_t * pointer; // will point on a 16 integer bit data (sizeof = 2 bytes)
	//

	//
	// Write at reg @
	//
	volatile uint16_t * reg = (volatile uint16_t *) 1234; // 1234 is the @
	*reg = 4321; // 4321 is the new value

	require 'date'

	# Actually doesn't matter WHAT you choose as the epoch, it
	# won't change the algorithm. Just don't change it after you
	# have cached computed scores. Choose something before your first
	# post to avoid annoying negative numbers. Choose something close
	# to your first post to keep the numbers smaller. This is, I think,
	# reddit's own epoch.
	$our_epoch = Time.local(2005, 12, 8, 7, 46, 43).to_time