Not sure why it errors out now. Do you get the same error is it a different error this time?
On Tue, Jun 21, 2011 at 9:05 PM, joanne ta <[email protected]> wrote: > > 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. > 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. 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