ROHIT YADAV

When we want to run the html template or html page like :- URL:-      file:///home/rohit/Desktop/index.html We can also run the application in the localhost:- URL:-       localhost/index.html Install Apache:- sudo apt-get install apache2 then goto the /etc/apache2/sites-available/ 000-default.conf DocumentRoot /home/rohit/Downloads/html_pages instead of :- #DocumentRoot /var/www/html Then go to the :- /etc/apache2/apache2.conf <Directory /> Options FollowSymLinks AllowOverride None Require all denied </Directory> <Directory /usr/share> AllowOverride None Require all granted </Directory> <Directory /home/rohit/Downloads/html_pages > Options Indexes FollowSymLinks AllowOverride None Require all granted </Directory> then run:- In the URL :- localhost/     We can also refer :-   https://developer.mozilla.org/ en-US/docs/Learn/Common_ questions/Set_up_a_ba

WHEN WE ENTER , SHOW LINE NUMBER IN TEXT AREA HTML PAGE:- <textarea class="line-numbers" cols="3" readonly="readonly" rows="5"></textarea> <%= text_area_tag :query_editor, '' :name => "query_editor", :class => "add_query_editor" %> <script type="text/javascript">    $(".add_query_editor").keyup(function(event) {      $(this).prev().height($(this).height());      $(this).prev()[0].scrollTop = this.scrollTop;    });    $(".add_query_editor").keyup(function(event) {      var elm = $(this);      var lines = elm.val().split("\n");      var numbers = "";      for(var i=0; i<lines.length; i++)      numbers += (i+1) + "\n";      elm.prev().val(numbers);      elm.prev()[0].scrollTop = this.scrollTop;   }); </script> <style type="text/css">    .line-numbers {       background-color: aqua       text-align: rig

When we want to use the Infinite Scrolling then sometimes we are facing problem with Infinite Scrolling with Pagination. So I am giving some steps that will try to help for that : - Firstly we have to add the gem gem 'will_paginate', '~> 2.3.16' Then in our controller def show      @users = User.all.paginate(:page => params[:page], :per_page => 1)      respond_to do |format|         format.js           end end After that in our view page show.html.erb    =render :partial => "user_list", :locals=>{:users=>@users} _user_list.html.erb    #product_specs     %table       %tbody         %tr           %td                  our content.....     #infinite-scrolling                = will_paginate @users     <script type="text/javascript">        $(document).ready(function() {              if ($('.pagination').length)              {                   $(window).scroll(function()                     {