小编Eri*_*ric的帖子

我正在尝试制作一个简单的计算器来练习图形(我是一个完整的GUI菜鸟).我在使用Polyashenkos校准器和文本区域以及文本区域和按钮之间的空间后有不必要的空间时遇到一些问题.另外,我如何保持这种布局,但消除空间,并使底部3按钮更小.关于我正在做什么或如何做得更好的任何提示将非常感激.谢谢.

import javax.swing.*;
import java.awt.*;

public class calculator {

    public static void main(String[] args) {
        // creates the JFrame(a window with decorations)
        JFrame frame = new JFrame("Calculator"); 
        // stops the program when window is closed
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
        frame.setSize(377, 350);

        // the main panel of the JFrame, 
        // remembet you cant add content directly to JFrame
        JPanel content = new JPanel(new GridLayout(4, 0)); 
        // panel for the text field
        JPanel textarea = new JPanel(new GridLayout(4, 0)); 
        // panel for the buttons, 
        // …

获取github的bitbucket信息库.

无法建立主机'github.com(some_ip_address)'的真实性.

这是我的部署文件.deploy:setup并且deploy:check工作得很好.

require "bundler/capistrano" 
require "rvm/capistrano"

default_run_options[:pty] = true 
ssh_options[:forward_agent] = true

set :repository, 'ssh://git@bitbucket.org/username/repo.git' 
set :scm :git 
set :scm_verbose, true
set :user, 'root'
set :deploy_via, :remote_cache
set :migrate_target, :current
set :branch, 'master'
set :application, 'my_app_name' 
set :domain, 'my_domain_ip_address'
set :applicationdir, "/home/deploy/domains/#{application}"
set :deploy_to, "/home/deploy/domains/#{application}"
role :web, domain role :app, domain role :db,  domain, :primary => true
set :keep_releases, 5
set :rvm_type, :system

after 'deploy:restart', 'deploy:cleanup'

namespace :deploy do   
  task :start …

正如下面所述的错误消息,我不使用"user_profiles_path"作为复数,因为我在嵌套资源中定义了"resource:profile".

NoMethodError in Profiles#new

显示/home/smileymike/rails_projects/bffmapp_v2/app/views/profiles/new.html.erb其中线#20提出:

undefined method `user_profiles_path' for #<#<Class:0x90266ac>:0xa041294>

模型:

class User < ActiveRecord::Base
  has_one :profile

class Profile < ActiveRecord::Base
  attr_accessible :name, :surname
  belongs_to :user

routes.rb中:

  resources :users do
    resource :profile  (note: has_one)
  end

查看:profiles/new.html.erb

<div class="row">
  <div class="span6 offset3">
    <%= form_for([@user, @profile]) do |f| %>
      <%= f.label :name %>
      <%= f.text_field :name %>

      <%= f.label :surname %>
      <%= f.text_field :surname %>

      <%= f.submit "Create my profile", class: "btn btn-large btn-primary" %>
    <% end %>
  </div>
</div>

路线

    user_profile …