> 1. Remove the send_data line, it isn't required. Yes, it did remove it.
> 2. Can you check if there are any records in your pictures table? Right now > it looks like it is returning nil. > Yes, It has 1 record in Picture table and 3 records in User Table > > On Tue, Jun 21, 2011 at 8:35 PM, joanne ta <[email protected]> wrote: > >> >> >> Can you paste what you have in your index method? >>> You should not be getting this error because we have already defined @pic >>> as an empty array. >>> >>> >> >> >>> def index >>> >>> @users= User.all >>> @pic= [] >>> >>> @users.each do |p| >>> @pic<< Picture.where(:phrase_id => :route , :culture_id => >>> p.culture_id).first >>> >>> end >>> >>> @pic.compact! >>> send_data @pic.image, :type => 'image/png', :disposition => 'inline' >>> >>> end >>> >>> >>> On Tue, Jun 21, 2011 at 8:10 PM, joanne ta <[email protected]> wrote: >>> >>>> >>>> >>>> On Tue, Jun 21, 2011 at 10:27 AM, Chirag Singhal < >>>> [email protected]> wrote: >>>> >>>>> Oh yes... sorry about that. >>>>> I assumed that you will find picture for every query. >>>>> >>>>> You can try this instead: >>>>> def index >>>>> @users= User.all >>>>> @pic = [] >>>>> >>>>> @users.each do |p| >>>>> @pic << Picture.where(:phrase_id => :route , :culture_id => >>>>> p.culture_id).limit(1) >>>>> end >>>>> @pic.compact! >>>>> end >>>>> >>>>> by calling compact! on the array, we will eliminate all nil object. >>>>> >>>>> On another note, are you sure, this is what you want to do? If you have >>>>> 100 users, it will fire 100 sql queries which is not good. >>>>> >>>>> Yes i think i have that problem as well because if i remove "@users.each >>>> do |p| " >>>> and then it will cause undefined method of culture_id.. >>>> plus when i call @pic.compact! , it gives me >>>> >>>> NoMethodError (You have a nil object when you didn't expect it! >>>> You might have expected an instance of Array. >>>> The error occurred while evaluating nil.compact!): >>>> app/controllers/patients_controller.rb:29:in `index' >>>> >>>> what is mean? cuz i want to display picture on the browser too... >>>> >>>> please help... thank you very much >>>> >>>> Joanne >>>> >>>>> >>>>> >>>>> On Tue, Jun 21, 2011 at 7:42 PM, joanne ta <[email protected]>wrote: >>>>> >>>>>> it does not work, it is complaining other error >>>>>> >>>>>> NoMethodError (undefined method `image' for [nil]:Array): >>>>>> app/controllers/patients_controller.rb:27:in `block in index' >>>>>> app/controllers/patients_controller.rb:25:in `each' >>>>>> app/controllers/patients_controller.rb:25:in `index' >>>>>> >>>>>> >>>>>> >>>>>> On Tue, Jun 21, 2011 at 9:57 AM, Chirag Singhal < >>>>>> [email protected]> wrote: >>>>>> >>>>>>> Your index action should be something like this: >>>>>>> >>>>>>> def index >>>>>>> @users= User.all >>>>>>> @pic = [] >>>>>>> >>>>>>> @users.each do |p| >>>>>>> @pic << Picture.where(:phrase_id => :route , :culture_id => >>>>>>> p.culture_id).limit(1) >>>>>>> end >>>>>>> end >>>>>>> -- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "Ruby on Rails: Talk" group. >>>>>>> To view this discussion on the web visit >>>>>>> https://groups.google.com/d/msg/rubyonrails-talk/-/B259TKI0970J. >>>>>>> >>>>>>> To post to this group, send email to >>>>>>> [email protected]. >>>>>>> To unsubscribe from this group, send email to >>>>>>> [email protected]. >>>>>>> For more options, visit this group at >>>>>>> http://groups.google.com/group/rubyonrails-talk?hl=en. >>>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> -------------------------------- >>>>>> >>>>>> Thank you, >>>>>> >>>>>> Yen >>>>>> >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Ruby on Rails: Talk" group. >>>>>> To post to this group, send email to >>>>>> [email protected]. >>>>>> To unsubscribe from this group, send email to >>>>>> [email protected]. >>>>>> For more options, visit this group at >>>>>> http://groups.google.com/group/rubyonrails-talk?hl=en. >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Chirag >>>>> http://sumeruonrails.com >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "Ruby on Rails: Talk" group. >>>>> To post to this group, send email to [email protected] >>>>> . >>>>> To unsubscribe from this group, send email to >>>>> [email protected]. >>>>> For more options, visit this group at >>>>> http://groups.google.com/group/rubyonrails-talk?hl=en. >>>>> >>>> >>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Ruby on Rails: Talk" group. >>>> To post to this group, send email to [email protected]. >>>> To unsubscribe from this group, send email to >>>> [email protected]. >>>> For more options, visit this group at >>>> http://groups.google.com/group/rubyonrails-talk?hl=en. >>>> >>> >>> >>> >>> -- >>> Chirag >>> http://sumeruonrails.com >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Ruby on Rails: Talk" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]. >>> For more options, visit this group at >>> http://groups.google.com/group/rubyonrails-talk?hl=en. >>> >> >> >> >> -- >> -------------------------------- >> >> Thank you, >> >> Yen >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Ruby on Rails: Talk" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/rubyonrails-talk?hl=en. >> > > > > -- > Chirag > http://sumeruonrails.com > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > -- -------------------------------- Thank you, Yen -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. 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