model

问题 I have used default HttpUrlConnection class to make api calls and GSON to convert Java Objects into json request and json response into equivalent Java object.I have created various models(pojo class) to convert the request/response to model objects.My doubt is that is it ideal to implement Serializable to all those models since GSON is serialization/deserialization library? public class Contact implements Serializable { private String name; private String email; public String getName() {

问题 I’ve been trying to figure a way to have a model-binding go on with a model with a constructor with arguments. the action: [HttpPost] public ActionResult Create(Company company, HttpPostedFileBase logo) { company.LogoFileName = SaveCompanyLogoImage(logo); var newCompany = _companyProvider.Create(company); return View("Index",newCompany); } and the model public Company(CustomProfile customProfile) { DateCreated = DateTime.Now; CustomProfile = customProfile; } I've done my research and seems I

问题 I am having problem to figure whenever I should send mail from the Model or the Controller. The thing is In the controller i use like This is regarding PHP. In Controller: if (Post::get()){ $this->model->registerUser( ... ); $this->model->mailSendUserActivation(); // assign something to view. } In Model: public function mailSendUserActivation(){ $mail = new \com\Mail(); // assign stuff to mail from API classes and other functions in model. $mail->send(); } Is this correct ? Or should the mail

问题 I am now approaching Zend Framework 2 and I followed the tutorial on creating a simple CRUD application. Everything is fine but now I want to, for instance, add a genre to the album. I added a category table to the database and created a foreign key category_id in the album table which refers to the category.id in the category table. How do I reflect this situation on my model using TableGateway ? 回答1: I hope this will help you and you will get the idea how to accomplish your task: <?php In

问题 I'm developing an API with loopback, everything worked fine until I decided to change the ids of my documents in the database. Now I don't want them to be auto generated. Now that I'm setting the Id myself. I get an "Unknown id" 404, whenever I hit this endpoint: GET properties/{id} How can I use custom IDs with loopback and mongodb? Whenever I hit this endpoint: http://localhost:5000/api/properties/20020705171616489678000000 I get this error: { "error": { "name": "Error", "status": 404,

问题 Let say I have a table named 'products' and Model named 'Product'. 'products' table has 3 fields id,title,price,created I want to calculate cal_price (which varies per record and day of search) and create a temporary table with 4 fields i.e. id,title,price,cal_price with order by cal_price Now, all I want is to paginate this temporary table. using $this->paginate(); eg. table_products id title price created 3 demo1 23 2011-12-12 4 demo2 43 2011-12-13 56 demo3 26 2011-12-16 sort 'temp_table'

问题 I'm trying to create a view allowing me to create and edit values of my joining table directly. This model is called 'hires'. I need to be able to create multiple rows in my joining table for when a child hires up to 2 books. I'm having some trouble and I suspect it's down to my associations... I have 3 models. Each Child can have 2 books: class Child < ActiveRecord::Base has_many :hires has_many :books, through: :hires end class Hire < ActiveRecord::Base belongs_to :book belongs_to :child

问题 I have two types of product in my firebase db which are the following. Model : ProductTypeOne.java package fyp.hkust.facet.model; import java.util.ArrayList; public class ProductTypeOne { private String name; private String brand; private String desc; private String image; private String username; private String uid; private ArrayList<ArrayList<String>> color; public Product() { } public Product(String name,String brand, String desc, String image,String username,String uid,ArrayList<ArrayList

问题 The Service layer is supposed to be on top of the Model layer. As such, models are not supposed to call services. However, I'm facing a situation where I need to, for example: interface Component { getResult(); } class Number implements Component { private value; public getResult() { return value; } } class Addition implements Component { private component1; private component2; public getResult() { return component1->getResult() + component2->getResult(); } } class ConstantFromExternalSource

问题 I have a problem with firstOrNew() method of the Laravel eloquent class. the problem is that when I give the method some attributes and values and call save() on the model, it doesn't get saved (inserted or updated). PHP : <? $flightModel = Flight::firstOrNew([ 'arrival' => $flightData['arrival'], 'plane' => $flightData['plane'] ]); $flightModel->departure = $flightData['departure']; $flightModel->save();//this doesn't save any data But when I try this with a new model it gets saved : <?