model

问题 I have a Quote model in my rails app which has various attr types, some of which are being sent to / saved by the db, some are not and I cannot understand why. Please can you help me understand, thanks. quotes_controller.rb class QuotesController < ApplicationController def create @quote = Quote.new(quote_params) if @quote.save redirect_to root_url, notice: 'Quote request created' else render :new end end private def quote_params params.require(:quote).permit(:gla, :prev_cover, :co_name,

问题 Suppose I've got following elements on the same page: Filters panel (something similar to http://www.imdb.com/search/name) Items based on filter options I want to implement following logic: URL should contain applied filter data in path ( /appliedOptionA/appliedOptionB ) When user opens site app get filter data from URL, updates filter panel and items panel When user changes filters app updates URL and refreshes items First idea: configure ng-router, get filter data as param, convert data to

问题 I have a model with an attribute that holds a CSV string. (The model is actually an ActiveRecord object but I guess this is not important. Correct me if I'm wrong.) /** * @property string $colors Can be something like "red" or "red,green,blue" or "" */ class Product extends Model { } And I have a form in which I'd like to display this attribute as a checkboxList so that the user can select the possible values with simple clicks instead of typing into a textInput. Theoretically, it should look

问题 I am trying to get my razor page to run but I keep getting this error: ASP._Page_Views_profile_add_cshtml.Execute()': no suitable method found to override and in doing some research I have found out that I needed to add some things to the web.config which I have done but also that I need to add the "@model" to the top and provide a model. So far I have this: @model ProfileViewModel @{ ViewBag.Title = "Add"; Layout = "~/Views/Shared/_Master.cshtml"; } the @model keyword does not work, its not

问题 I have a exam tomorrow and we have gotten a sample exam, but since there are no answers to this sample exam, Id thought Id ask here. So here we go, this is one of the questions Im not sure if ive done correctly: Q: Draw a conceptual model describing the following domain. In the domain there are monkeys and bananas. A Monkey can eat bananas BUT two monkeys can not eat the same banana. A(which I think is correct): http://gyazo.com/722ee8618bfee76ed9f616d45d800819 Now, the reason why I think my

问题 I am using AngularJS - 1.0.6 version. I have created sample application where I want data to be populated in the textbox when user selects row in a grid. I have a directive which will render textbox and bind data with ng-model property. The model which binds the data with ng-model is dynamic. for e.g. - input.attr('ng-model', 'model["' + d.id.toLowerCase() + '"]'); I need to use Angular.copy method to copy selected Items data into another model object. $scope.model = angular.copy($scope

问题 I'm doing an CTL exercise, I'm trying to check if the following formulas are equivalent or not. But I'm not sure if I'm doing right. EF (p or q) = EF(p) or EF(q) ? AF(p or q) = AF(p) or AF(q) ? A(p U ( A(q U r) )) = A(A(p U q) U r) ? Firt formula: Equivalent Second formula: Equivalent Third formula: Equivalent Is it right? If are wrong could you give me one of possible counter-examples in Kripke model? Thanks in advance. 回答1: I'll try to use the semantics of CTL defined here: Wikipedia about

问题 I am using Ruby on Rails 3.0.7 and I followed this post about handling an " has_many :through => checkboxes " in which, in order to create user-group relationship records for membership purposes, is just passed a group_ids parameter (that is an array of id values) from check box input fields to the @user.save method. Using that code all works good in a "RoR magical\automatic way" (RoR set properly user_id values in the related memberships database table). However, on saving, I would like to

问题 I need to outsource some of the attribues in the following Django model: class TextResult(models.Model): user = models.ForeignKey(settings.AUTH_USER_MODEL, default=1) text = models.ForeignKey(Text) # following fields will be in the referenced model wpm = models.FloatField(default=0.0) accuracy = models.FloatField(default=1.0, validators=[MinValueValidator(0.0), MaxValueValidator(1.0)]) to a model, that references to the specific data: class TextResult(models.Model): user = models.ForeignKey

问题 I am running djando 1.8, I am trying to save the current logged in user in the created by and modified by fields in my database. I have tried many different combination of getting this to work, but I am not running into any luck. I have to code working with hard coding in a user id like so: @python_2_unicode_compatible # only if you need to support Python 2 class Project(models.Model): name = models.CharField(max_length=50, verbose_name="Name") jobNumber = models.CharField(max_length=8)