RUN HTML TEMPLATE IN APACHE2 LOCALHOST

- October 26, 2017

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_basic_working_environment

Comments

psql: could not connect to server: No such file or directory Is the server running locally and accepting connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.5432"?

- May 16, 2018

CARRIERWAVE - UPLOAD ANY MEDIA (AUDIO , VIDEO AND IMAGE ) FILE IN RAILS

- November 17, 2017

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SELECT COUNTRY WITH STATE AND IT'S CITIES RAILS

- November 01, 2017

Country State Select is a library that provides an easy API to generate Country , State / Province and City dropdowns for use in forms.We will refer :-

https://github.com/arvindvyas/Country-State-Select Gemfilegem 'chosen-rails'
gem 'country_state_select', git: 'git://github.com/arvindvyas/Country-State-Select', branch: :master
gem "simple_form"#, "~> 3.2"
gem "reform"#, "~> 2.0"
gem "reform-rails" orders_controller.rbclass OrdersController < ApplicationController
    def shipping_address
        @location = Address.new
    end
end shipping_address.html.erb<%= simple_form_for @location, :html => {class: 'subscribe-from'} ,url: orders_shipping_address_path do |f| %>
<div class="row">
    <div class="col-md-6">
      <div class="form-group">
        <%= f.input :address_line1, label: "Country", collection: CountryStateSelect.countries_co…

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RAILS: UPLOADING PHOTOS VIA AMAZON S3 AND PAPERCLIP (UPLOADING FILES TO S3 IN RUBY WITH PAPERCLIP)

- January 14, 2018

Set up Ruby on Rails with Paperclip and S3 using AWS SDK
Uploading Files to S3 in Ruby with Paperclip Paperclip requires the following gems added to your Gemfile. If your paperclip version is 5.1.0 then we are using 'aws-sdk' version 2.3.# Gemfile
gem 'paperclip'
gem 'aws-sdk', '~> 2.3' or our paperclip version is 4.1.0 then we need to use 'aws-sdk' version < 2 (note: add version less than 2.0 otherwise you will get paperclip error)gem 'paperclip'
gem 'aws-sdk', '< 2.0'

Run bundle install and restart the Rails server after modifying the Gemfile. Then run the command :-rails generate paperclip user image Define the file attribute in the Modelclass User < ActiveRecord::Base
    has_attached_file :image, styles: { medium: "300x300>", thumb: "100x100>" }, default_url: "/images/:style/missing.png"
    validates_attachment_content_type :image, content_type: /\Aimage\/.*\z/
end Migration…

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SEARCHING USING AJAX IN RAILS

- September 13, 2017

Search any entry from Database using ajaxRoutes
get 'search'

Controller

def search
          @companies = Company.search(params[:search].split("=").last)
          respond_to :js
      end

Model

def self.search(search)
          if search
                Company.where("name LIKE '%#{search}%'")
          else
                Company.all
          end
      end

index.html.erb :-

      <%= text_field_tag :search, "", class: "search_companies" %>

      <tbody class="company_tbody_content">
           <%= render 'index_content' %>
      </tbody>

      <script type="text/javascript">
           $(".search_companies").keyup(function() {
               $.ajax({
                  url: '/super_admin/companies/search',
                  data: {search: $(this).serialize()}
               });
           });
      </script>

search.js.erb

$(".company_tbody_content").html("<…

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AWS::S3::ERRORS::ACCESSDENIED (ACCESS DENIED):

- January 10, 2018

Paperclip S3 AccessDenied Aws::S3::Errors::AccessDenied (Access Denied): Assuming you are using AWS’s IAM and you created a dedicated User for these uploads.If you get this error when trying to upload to S3, you need to assign this IAM User the “AmazonS3FullAccess” Policy.

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E: Package 'aptitude' has no installation candidate

- June 20, 2019

E: Package 'aptitude' has no installation candidateSometimes, we are getting broken package error. Please can easily solve this problem.

Example:-
sudo apt-get install aptitude

If you got error like-
E: Package 'aptitude' has no installation candidate
Solution:- sudo apt-get update

      sudo apt-get install build-essential

      sudo dpkg --configure -a

      sudo apt-get -f install None of those worked in my case. I then went to Ubuntu Software Center>Edit> Software Sources and made these changes.

After that the following commands did the job

sudo apt-get update

      sudo apt-get install build-essential

      sudo apt-get install aptitude
Now, problem is solved.
Please follow the link below:- http://musingsonsoftware.blogspot.com/2014/02/ubuntu-apt-get-package-has-no.html

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CURL COMMAND ON RUBY ON RAILS

- May 16, 2018

HOW TO USE CURL ON RUBY ON RAILS? LIKE THIS ONE curl -d 'params1[name]=name&params2[email]''http://mydomain.com/file.json' Just in case you don't know, it requires 'net/http' require 'net/http' uri = URI.parse("http://example.org")

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CHECK PASSENGER RUBY PATH

- February 23, 2017

When we want to use the passenger with Nginx or Apache. Then we need to find the passenger ruby path. So, we can easily find the ruby path using :-passenger-config --ruby-command When we run then we will get like :-
Command: /home/rohit/.rvm/gems/ruby-2.1.10/wrappers/ruby
Version: ruby 2.1.10p492 (2016-04-01 revision 54464) [x86_64-linux]
To use in Apache: PassengerRuby /home/rohit/.rvm/gems/ruby-2.1.10/wrappers/ruby
To use in Nginx : passenger_ruby /home/rohit/.rvm/gems/ruby-2.1.10/wrappers/ruby
To use with Standalone: /home/rohit/.rvm/gems/ruby-2.1.10/wrappers/ruby /usr/bin/passenger start
Add that line in passenger.conf file

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UPLOAD ANY MEDIA FILE IN RAILS USING PAPERCLIP

- January 12, 2017

Steps to Upload any type of media in ruby on rails by paperclip Upload video in RailsGemfile

gem 'paperclip'
gem 'paperclip-ffmpeg'
gem 'paperclip-av-transcoder' Apply validation in modelhas_attached_file :file, :styles => {:medium => { :geometry => "300x300", :format => 'flv'},:thumb => {:geometry => "100x100#", :format => 'jpg', :time => 15}
    }, :processors => [:ffmpeg]
When you will get some validation errors then we can use this below code :-validates_attachment_content_type :file, content_type: %w(video/mp4 video/3gp video/webm image/jpeg image/jpg image/png) Install ffmpeg on your systemsudo apt-add-repository ppa:jon-severinsson/ffmpeg
sudo apt-get update
sudo apt-get install ffmpeg

When we will get some ppa error then run:-

http://stackoverflow.com/questions/29125229/how-to-reinstall-ffmpeg-clean-on-ubuntu-14-04

Play video in rails using video_tag

video_tag("trailer.ogg", controls: true,…

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ROHIT YADAV