crud

问题 I was wondering why when you create restful routes in rails with map.resources it generates actions for new, create, edit, update ? Is there anything wrong in declaring just one action for create and update and do something like this? def create unless post? @user = User.new else redirect_to :action => 'index' if user.create(params[:user]) end end so we could have something like :GET users/create # to show the form (same as action - new) :POST users/create # to create a new user since Restful

问题 I am trying to write some RSpec tests to test my app, but I've stumbled on several problems that I can't find any solution. 1) I am trying to test the update action. Here is my code: it "email is a new one" do put :update, id: @user, user: FactoryGirl.attributes_for(:user, :email=>"a@b.c") @user.reload @user.email.should == "a@b.c" puts @user.email end Here is the UsersController update action: def update @user = User.find(params[:id]) respond_to do |format| if @user.update_attributes(params[

问题 I have a problem saving 'contable dates' because every month on this way has 30 days each. I need to save a element (2014-02-30) using a type date-like (not a varchar/text/blob/etc) to save this because in this project we need that. Is it possible? 回答1: Saving such a DATE "value" in a DATE or DATETIME column is possible using the sql_mode ALLOW_INVALID_DATES and no strict mode: ALLOW_INVALID_DATES Do not perform full checking of dates. Check only that the month is in the range from 1 to 12

问题 I'm trying to do CRUD operations in Hive and able to successfully run insert query however when I tried to run update and delete getting the below exception. FAILED: SemanticException [Error 10294]: Attempt to do update or delete using transaction manager that does not support these operations. List of the queries I ran CREATE TABLE students (name VARCHAR(64), age INT, gpa DECIMAL(3, 2)) CLUSTERED BY (age) INTO 2 BUCKETS STORED AS ORC; INSERT INTO TABLE students VALUES ('fred flintstone', 35,

问题 I'm trying to do CRUD operations in Hive and able to successfully run insert query however when I tried to run update and delete getting the below exception. FAILED: SemanticException [Error 10294]: Attempt to do update or delete using transaction manager that does not support these operations. List of the queries I ran CREATE TABLE students (name VARCHAR(64), age INT, gpa DECIMAL(3, 2)) CLUSTERED BY (age) INTO 2 BUCKETS STORED AS ORC; INSERT INTO TABLE students VALUES ('fred flintstone', 35,

问题 Say I have a Companies table which has a many-many relationship with an Employees table. I have an add/edit Companies page, but I also want to be able to find/add new/existing Employees as well, without having to open up another CRUD page for each Employee first. I'll be inputting an English name and a Japanese name for each Employee, so the usual trick that blog software uses for editing tags won't be too good. It doesn't need to be too pretty since it's for internal use. What would be a

问题 Say I have a Companies table which has a many-many relationship with an Employees table. I have an add/edit Companies page, but I also want to be able to find/add new/existing Employees as well, without having to open up another CRUD page for each Employee first. I'll be inputting an English name and a Japanese name for each Employee, so the usual trick that blog software uses for editing tags won't be too good. It doesn't need to be too pretty since it's for internal use. What would be a

问题 I am trying to use AngularJS $resource to DELETE data from my server. However, when I write the result to console, I do not see the data. However, when I go to "Network" in Chrome's console, I see the DELETE in the Name Path left column. When I click on the "info, I see five tabs on the right panel. Under the Preview and Response tabs, I see the correct data. I just don't know how to see or retrieve that in my Javascript. Here is the javascript service code: var MyServices = angular.module(

问题 UPDATE: I added the CSRF protection like Berdir told me, with the help of the link below to make my application work again. However.. I'm not quite sure what I did right now :D How is this going to make my app more secure? I'm particularly bothered by the fact that I'm now getting a cookie value in my ajax code, because I have to pass it with my ajax call.. otherwise it just doesn't work. Doesn't this give away some crucial information about the cookie? Or am I just being paranoid. Thanks!

问题 I need get values using ObjectIdHex and do update and also view the result. I'm using mongodb and golang.But following code doesn't work as expected package main import ( "fmt" "gopkg.in/mgo.v2" "gopkg.in/mgo.v2/bson" ) type Person struct { Id bson.ObjectId `json:"id" bson:"_id,omitempty"` Name string Phone string } func checkError(err error) { if err != nil { panic(err) } } const ( DB_NAME = "gotest" DB_COLLECTION = "pepole_new1" ) func main() { session, err := mgo.Dial("localhost")