proc = Proc.new do |name|
puts "Thank you #{name}!"
end
def thank
yield
end
proc.call # output nothing, just fine
proc.call('God') # => Thank you God!
thank &proC# output nothing, to
我特林設置一個路由，像這樣： GET /設置/ PUT /設置/ GET /設置/照片 PUT /設置/照片 這是路由代碼，我已經安裝了它： #I just do this for code reuse
get = { :method => :get }
put = { :method => :put }
pub.settings '/settings', :controller => :
我在顯示模板中的嵌套塊時遇到問題。 例如。 {% for category in categories %}
//code to display category info
{% products = products.object.filter(category = category) %}
{% for product in products%}