Hi Vijay, Your questions are going to take some time to answer. Some are easier than others. I'd recommend splitting them up into separate posts.
Max On Thu, Apr 30, 2009 at 9:27 PM, vijay <mymail.vi...@gmail.com> wrote: > Ping!! > > > On Thu, Apr 30, 2009 at 5:03 PM, vijay <mymail.vi...@gmail.com> wrote: > >> Hello All,I am working on an application and got stuck in design phase I >> hope you guyz can help me out. I have several doubts related to performance >> and modelling. >> >> 1# >> In my application i store some hierarchical data and not sure how to do >> it. >> >> for e.g. say you have data organized as >> >> food >> |____fruit >> | |___red---Iron----apples >> | | | |____something >> | | | >> | | |___Viatamins ---- litchies >> | | >> | |___green----Iron-----apples >> | |_____Vitamin E ----- guava >> | >> |____vegetable-------category1 -----category2----category3 >> | |________________ >> | | |________ >> | |________________________________ >> | |____ |____ >> |____fried |_______ >> |__similarly here >> >> Is there a clean way to store this kind of data in appengine. I mean what >> should be classes , their properties etc. >> >> In my case the sub categories can upto a depth of 10, with each level >> having 100s of categories. >> I will be executing queries to lookup by any node, so basically i can do >> lookup by fruit or apple or food as a whole. >> >> 2# >> My applcation is going to have a search box where user will be writing his >> search items, I would like to suggest them the correct word if they do a >> spelling mistake, so if they type frut i wil suggest them to type fruit. >> The way i am thinking of implementing it is to for each word entered do a >> comparison with each node element with a relaxation of 2, so if the word >> matched except at two points i will go ahead and suggest it. I think as i >> need to have sequential traversal of all the nodes, which may take a lot of >> time and resources, I should store it somewhere to do faster lookup like in >> memcache, what are your suggestions. >> >> >> 3# >> Are there any standard APIs to send sms from application. I asked about >> this in other thread but haven't got any reply, I hope I will get some >> answers this time. >> >> I am quiet new to web site designing and any other suggestion or some >> pointers to general design principles would be great. >> >> >> Regards, >> Vijay >> > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
