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# 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

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$ 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

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//
// 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

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HTML / Javascript

• Pixi.js
• phaser

Databse

• Cassandra
• Orchestrate
• Neo4J

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Vocabulaire

• Graphe connexe pas d'éléments non-reliés
• Graphe acyclique sans cycle
• Graphe complet tous les arcs possibles
• Graphe bipartite 2 sous-graphes non-reliés entre eux
• Arc avant, arrière arc qui remont/redescent
• Arc transversal qui va à un autre arbre
• Ensemble de sommets fortement connexe si il y a tous les arcs possible
• DAG graphe dirigé acyclique

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{
      "infos" : {
            "version" : "0.1",
            "count" : 10,
      },
      "places" : {
            "place" : {
                  "name" : "Imprévu",
                  "lat" : 10,
                  "lng" : 10,

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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

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gem build  blabla.gemspec
gem push blabla.gem

npm

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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

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rsync version 3.1.2

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

https://gist.github.com/KartikTalwar/4393116

• -a archive mode
• --progress --human-readable show progress in readble manner