How about this: <% current_user.bar.caipirinha.to_i.times do |s| %> <%= s.caipirinha %> <% end %> You can use the to_i method to convert caipirinha to an integer, then call times on it. 1 solved how iterate over fixnum [closed]
I think you should remove params key before user parameters, e.g.: test “invalid signup information” do get signup_path assert_no_difference ‘User.count’ do post users_path, user: { name: “”, email: “user@invalid”, password: “foo”, password_confirmation: “bar” } end assert_template ‘users/new’ assert_select ‘div#error_explanation’ assert_select ‘div.field_with_errors’ end Also you can debug received parameters in controller with pry: add gem pry … Read more
Let’s try this, you have this array array = [ { “10:45” => 40, “11:00” => 40, “11:15” => 40, “11:30” => 40, “13:30” = >35, “14:00” => 40, “15:00” => 40 }, { “12:00” => 38, “12:45” => 39, “13:00” => 39, “13:15” => 39, “13:30” => 39 } ] Let’s remove the duplicate … Read more
You can do something like this : if ..something.. @posts = Post.where(..something..) else @posts = Post.where(..something..) end @posts = @posts.all(:order => ..something..) It’s better to do this, in Rails 3 : @posts = @posts.order(..something..) 1 solved Rails ActiveRecord methods in different places [closed]
json(1.8.3) is not compatible with ruby 2.4.0. Try using a newer version. $ bundle update json 1 solved Upgrade ruby to 2.4.0
:symbol {key: value} When the colon is before the variable / object, it denotes a “symbol”, meaning a piece of data to be placed there. The symbol can typically be used in the likes of calling an attribute (key) or in part of a hash: @user.comment[:created_at] When the colon is after the variable / object, … Read more
You can’t make HTML directly interacting with database. You should create server-side application, which answer queries generated by HTML forms, JS queries, etc. I am PHP developer, I like this language, so I recommend you using it in your solution. You can read about connecting PHP to MySQL database here: http://www.w3schools.com/php/php_mysql_connect.asp There you have basic … Read more
1.Why “rails” command is very slower than “ruby”? ruby invokes the Ruby interpreter, which is a compiled executable. rails invokes the Ruby interpreter plus loads many Ruby libraries that need to be located then parsed by the interpreter, before executing your Rails command. So rails –version will always take longer than ruby –version because it … Read more
As @aspend mentioned above you will get result just by using .flatten property of array class: <% str = “Hello my name is __john__ and i am __30__ years old”%> <%=str.scan(/__(.*?)__/).flatten %> Preview: 2 solved How to matche all the words from a string that starts and ends with double underscore in rails [closed]
You need to set the associations between models After that, it could look like this: @students = @user.students.all where @user = current_user I guess. Edit: To make it failsafe: @students = @user.students.all if @user To avoid later problems set user only when its not set by the controller e.g in a user view: @user ||= … Read more
If you’re trying to print the output in a browser, you’ll have to attach the other essential parts of the rails flow: routes and views. The rails getting started doc walks through this pretty well. http://guides.rubyonrails.org/getting_started.html 1 solved Rails Read and Print integers on web
in db/create_post.rb t.string :title t.text :body then do rake db:migrate (it migrate schema of data base) class PostController < ApplicationController before_action :find_post, only: [:show, :edit, :update, :destroy] def new @post = Post.new end def create @post = Post.new(post_params) if @post.save redirect_to posts_path else render ‘new’ end end def show end def post_params params.require(:post).permit(:title, :body) end … Read more
You can find a list of them here. The actions specifically are index, new, show, edit, destroy, create, update. The idea is there is a lot of boilerplate in general for these actions (find/authorize) and this aims to simplify that. solved What is a RESTful style resource?
OK, it’s not possible to help you with this directly as too much code is missing (and, frankly, it’s probably to much to just cut&paste it in here and expect people to debug it in their brains…). In cases like this, you have to figure out Which variable is nil Why is it nil In … Read more
At first, you need to create a migration and add a new column to the users table. I think it is better to keep info about admin creating in the db (if you don’t want to store it, just add :created_by_admin to attr_accessor list instead of this step). add_column :users, :created_by_admin, :boolean, default: false, null: … Read more