Error Before Updating Scaffolding
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zippo » Error before updating scaffolding from new Form helpers are designed to make working with resources much easier compared to using vanilla HTML.Typically, a form designed to create or update a resource reflects the identity of the resource in several ways: (i) the url that the form is sent to (the form element's hash, and (iii) for an existing record, when the form is initially displayed, input fields corresponding to attributes of the resource should show the current values of those attributes. Conventions in the generated field names allow controllers http://in-kisss.ru/error-before-updating-scaffolding-from-new-db-473.html to receive form data nicely structured in As you see, the HTML reflects knowledge about the resource in several spots, like the path the form should be submitted to, or the names of the input fields.In particular, thanks to the conventions followed in the generated field names, the controller gets a nested hash is set to 0 which is convenient for boolean values.The http://kinterest.ru/error-before-updating-scaffolding-from-new-2235.html HTML specification says unchecked check boxes are not successful, and thus web browsers do not send them.Unfortunately this introduces a gotcha: if an wouldn't update the flag.To prevent this the helper generates an auxiliary hidden field before the very check box. The hidden field has the same name and its attributes mimic an unchecked check box.This way, the client either sends only the hidden field (representing the check box is unchecked), or both fields.Since the HTML specification says key/value pairs have to be sent in the same order they appear in the form, and parameters extraction gets the last occurrence of any repeated key in the query string, that works for ordinary forms.Unfortunately that workaround does not work when the check box goes within an array-like parameter, as in because parameter name repetition is precisely what Rails seeks to distinguish the elements of the array. Popular Posts who is rb singer olivia dating and kristen cavallari dating dating website for young people Please Give Me Your Feedback! Click here to cancel reply. Name * Email * Post Comment who is puff daddy dating » teenage dati
on chapter 8 and decided to edit a profile during one of my runs. Upon submitting the profile edit form (produced via scaffolding) Apache returns a '405 error'. I can use scaffolding to create a 'new' profile without problem (although https://forums.manning.com/posts/list/35214.page when viewing the newly created profile I noticed that the photo attribute appears to not have been set despite uploading a photo during the creation process seconds before). I checked the filters, URL mappings, etc., and all align with the book's instructions to date). At the stage of being in Ch8 I'm assuming that all of the scaffolding is still supposed to be functional, or has the book's progression of Hubbub coded in some conflicts at this stage that will error before be resolved in later chapters?. If possible, I'd like to resolve this issue before moving on in the book... “„ 218303 (2) Offline Jan 18, 2015 @ 10:22 AM #2 I have also a problem with profile update. I am using last grails 2.4.4 when I delete byte[] photo then update works. But if I live it I am not able to generate dynamic or static scaffolding code which works. I saw that it is a general issue, but would error before updating you mind to tell me if it is some kind of work around. I tried everything that I found in internet without success. My configuration: Ubuntu 14.04 / Java 8 last update grails 2.4.4 (I tried both with gtgs and without gtgs) Thank you very much in advance! “„ peter.ledbrook (328) Offline Feb 2, 2015 @ 4:12 AM #3 Maui, are you using Grails 2.4.x as well? You should first try moving the src/templates/scaffolding directory to a temporary location outside of the project (i.e. back it up and delete it in one go). If the page still doesn't work, then I can only imagine that default Grails scaffolding is broken. Perhaps only for file uploads. If the scaffolding is broken, it's best to generate the controller and views for the Profile domain class and fix them manually. “„ Maui Mana (14) Offline Feb 2, 2015 @ 2:30 PM #4 Yes, I am using Grails 2.4.x. I'm just finishing up Part III of your book (great book by the way) and when I get a chance I'll perform the steps you've outlined and post my findings... BTW, a quick note to all who happen read this... it is so helpful for the community in general to try and always post one's solutions to issues they encounter back into the forum... While debugging is a natural and certainly very helpful part of working through any tutorial, in many cases readers