http://guides.rubyonrails.org/migrations.html
- add_column
- add_index
- change_column
- change_table
- create_table
- drop_table
http://guides.rubyonrails.org/migrations.html
# Add to nginx.conf http section | |
map $http_upgrade $connection_upgrade { | |
default upgrade; | |
'' close; | |
} |
// sending to sender-client only | |
socket.emit('message', "this is a test"); | |
// sending to all clients, include sender | |
io.emit('message', "this is a test"); | |
// sending to all clients except sender | |
socket.broadcast.emit('message', "this is a test"); | |
// sending to all clients in 'game' room(channel) except sender |
sudo apt-get remove scala-library scala | |
sudo wget www.scala-lang.org/files/archive/scala-2.10.4.deb | |
sudo dpkg -i scala-2.10.4.deb | |
sudo apt-get update | |
sudo apt-get install scala | |
wget http://scalasbt.artifactoryonline.com/scalasbt/sbt-native-packages/org/scala-sbt/sbt/0.12.4/sbt.deb | |
sudo dpkg -i sbt.deb | |
sudo apt-get update | |
sudo apt-get install sbt |
Install Package Control for easy package management.
Ctrl+`