Purpose of robots.txt file

When search engine crawlers (robots) look at a website, the first file they will look at is not your index.html page. It is your robots.txt file.

This little file that sits in the root “/” of your website contains instructions on what files the robot can and cannot look at within the website.

Read More:

http://www.hallaminternet.com/2014/the-importance-of-a-robots-txt-file/

Comments

PG::DuplicateTable: ERROR: relation "taggings" already exists in Ruby on Rails

Error: PG::DuplicateTable: ERROR: relation "taggings" already exists Solution : Already the table present in your database.But migration also trying to create a table in database.For this reason error occurred. So try to remove the table (taggings) from your database. postgresql : > DROP TABLE IF EXISTS taggings; Rails console : > ActiveRecord::Migration.drop_table(:taggings)

Simple Pagination in Ruby on Rails using will_paginate gem Tutorials

You should use the will_paginate gem for pagination. Steps : 1. Create new project Develop > rails new addpagination 2. Open the gemfile inside the project folder (addpagination).Add below line in gemfile gem 'will_paginate', '~> 3.0' 3. Enter below command in terminal and execute. Develop > bundle install 4. Create the Database Develop > rake db:create 5. Create the form using scaffolding Develop > rails g scaffold post name:string city:string 6. Migrate the table Develop > rake db:migrate 7. Now run the application Develop > rails s 8. Check the application.Its working or not. open browser and enter http://localhost:3000/ 9. Configure the page redirection in routes.rb inside the config folder root 'posts#index' 10. Now add t...

How to get a YouTube video thumbnail dynamically from the YouTube API using AngularJS

In this tutorial I have explain about the get YouTube thumbnail using AngularJS <html ng-app id="YoutubeApp"> <head> <title> How to get a YouTube video thumbnail dynamically from the YouTube API using AngularJS Tutorials</title> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.6/angular.min.js"></script> <script src="http://code.jquery.com/jquery-1.7.2.min.js"></script> <script> function YoutubeController ($scope) { $scope.todos = []; $scope. addVideo = function() { $scope.todos.push({text:$scope.todoText, done:false}); $scope.todoText = ''; ...

Activetuts

Search This Blog