Ces questions permettent de vous situer vis à vis de la programmation et de l'informatique en général. Il est normal de ne pas tout connaître ;)
SELECT Marque, AVG(Prix)
FROM Produits
GROUP BY Marque
# Update, upgrade and install development tools: | |
apt-get update | |
apt-get -y upgrade | |
apt-get -y install build-essential git-core curl libssl-dev \ | |
libreadline5 libreadline5-dev \ | |
zlib1g zlib1g-dev \ | |
libmysqlclient-dev \ | |
libcurl4-openssl-dev \ | |
libxslt-dev libxml2-dev |
class Api::RegistrationsController < Api::BaseController | |
respond_to :json | |
def create | |
user = User.new(params[:user]) | |
if user.save | |
render :json=> user.as_json(:auth_token=>user.authentication_token, :email=>user.email), :status=>201 | |
return | |
else |
These are some of my (Ryan Bates) favorite gems to use for various tasks:
<?xml version="1.0" encoding="UTF-8"?> | |
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> | |
<plist version="1.0"> | |
<dict> | |
<key>DVTConsoleDebuggerInputTextColor</key> | |
<string>1 1 1 1</string> | |
<key>DVTConsoleDebuggerInputTextFont</key> | |
<string>Menlo-Bold - 11.0</string> | |
<key>DVTConsoleDebuggerOutputTextColor</key> | |
<string>1 1 1 1</string> |