c# .net core barcode generator

c# .net core barcode generator

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class PerformanceController < ApplicationController def show @player = Player.find_by_id(params[:player_id]) @game = Game.find_by_id(params[:game_id]) @events = Event.find(:all, :select=>'event, ' << 'AVG(time)/1000 as average_time', :group=>'events.event ASC', :joins=>' INNER JOIN plays ON events.play_id=plays.id', :conditions=>["plays.game_id = AND plays.player_id= ", @game.id, @player.id] ).map { |event| {:event=>event.event, :average_time=>event.average_time.to_i} } respond_to do |format| format.html { render :layout=>false if request.xhr } format.text { render :layout=>false } format.xml { render :xml=>{'player'=>@player, 'game'=>@game, 'events'=>@events }.to_xml(:root=>'player_performance_report', :skip_types=>true) } end end end

are snapshots the server sends it, the browser renders it, and it s done. Pages that make use of JavaScript, however, have some aspect of mutability to them. The page may be loaded, but it s never done. You will run into problems like the ones we encountered in this example. You will make mistakes simply because all this may be new and unfamiliar. Don t get discouraged! Rely on your tools Firebug, Microsoft Script Debugger, and even the trusty alert dialog to get you out of the quagmire.

This code sets the @player and @game variables, which allow the view to know which player and game were selected and display the information, and then it prepares the data. It retrieves the performance data using SQL that is similar to the example at the end of 4, but it uses find to retrieve the values instead of find_by_sql. The routine

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We need to add in the necessary fields to support our automated user activation. Navigate to /monkey/db/migrate/, open the file 001_create_users.rb, and add the following two bold lines in the self.up block: class CreateUsers < ActiveRecord::Migration def self.up create_table "users", :force => true do |t| t.column :login, :string t.column :email, :string t.column :crypted_password, :string, :limit => 40 t.column :salt, :string, :limit => 40 t.column :created_at, :datetime t.column :updated_at, :datetime t.column :remember_token, :string t.column :remember_token_expires_at, :datetime t.column :activation_code, :string, :limit => 40 t.column :activated_at, :datetime end end def self.down drop_table "users" end end Those extra data elements will be used to store the activation code that we ll send along in the new users activation e-mail. It will also provide us with a simple Boolean field to flag whether or not a user account is activated or yet. Go ahead and run rake db:migrate now to build the users table in our database: rake db:migrate == CreateUsers: migrating ===================================================== -- create_table("users", {:force=>true}) -> 0.1359s == CreateUsers: migrated (0.1361s) ============================================

We ll keep coming back to events in subsequent chapters, since they re a part of everything you do in DOM scripting. But let s add just one more thing to our page. Being able to post entries without leaving the page is quite handy, but what if you re just there to read your old entries In the interest of removing clutter, let s hide the form by default, showing it only if the user asks for it. Let s assign an id to the Log Your Breakfast heading so that we can grab it easily. Let s also write some CSS to make it feel more button-like and invite clicking.

then maps it into an array of hashes, with each hash having an event value and an average_time value.

// HTML: <h2 id="toggler">Log Your Breakfast ↓</h2> // CSS: #toggler { cursor: pointer; border: 2px solid #222; background-color: #eee; }

Now that we ve installed Acts as Authenticated, we ve gained a User model with some nice convenience methods for our use, an authentication system that uses SHA-1 to securely encrypt user passwords, and all the necessary login forms. But before we can make use of all of this, we still need to add the plug-in to our application and configure some of the additional functionality available, such as allowing the system to remember the user by storing a cookie on the user s system and the optional mailer functions we installed earlier.

s Note The reason the raw array of Event values isn t passed directly is that you need to call the to_i

We also want the form to be hidden when the page first appears, so let s add a handler that will hide the form when the page loads:

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