ROHIT YADAV

Paperclip Dropbox WE CAN USE FOLLOWING LINKS :- https://github.com/thoughtbot/ paperclip https://github.com/janko-m/pap erclip-dropbox PLEASE READ STEPS CAREFULLY.. 1.   Create drop box account. 2. Go to drop box developer console, Create App on drop box. https://www.dropbox.com/develo pers           Now move to the coding part.. 1. Add the gem in gemfile and run bundle.      gem "paperclip-dropbox", ">= 1.1.7"     gem "paperclip", "~> 4.2" 2. Run the following command,     rails g paperclip users avatar    if you getting issue in rails 5 you have to put in the migration :-    class AddAttachmentFileToProfiles < ActiveRecord::Migration[5.1]     end 3. Write this in user model.     class Profile < ApplicationRecord        has_attached_file :file        validates_attachment_content_type :file, :content_type => []     end 4. Add the following line to environme

AUTOCOMPLETE TEXT FIELD IN JAVASCRIPT RAILS HTML PAGE <%= text_area_tag :query_editor, '', :onkeyup => "textAreaAdjust(this)", :onclick => "textAreaAdjust(this)", :style => "overflow:hidden" %> <script>    function textAreaAdjust(o) {      o.style.height = "1px";      o.style.height = (1+o.scrollHeight)+"px";    } </script> <style type="text/css">   .add_query_editor {       margin-top: 15px !important;       min-height: 120px;       font-size: 14px !important;       padding-left: 10px !important;       padding-top: 10px !important;       width: 93% !important;       float: left;   } </style> WE CAN FOLLOW :-  http://jsfiddle.net/happysmile s/F33Av/22/ http://jsfiddle.net/aaki/hMJEy /1/ http://jsfiddle.net/2t9Dh/

When we deploy the project on server, Then sometimes the public folder want's the permission. For that we can give the permission from Rails. Creating dir or folder with permission ;- FileUtils.mkdir 'csv_imported', :mode => 0777 Give the permission of created dir or folder :- FileUtils.chmod(0777, "csv_imported") Delete the Directory:- FileUtils.rm_rf('csv_imported' ) Give the permission of particular files :- File.chmod(0777, path) Join the folder with root directory :- csv_folder = Rails.root.join('csv_imported' ) Create random csv files :- csv_name = SecureRandom.urlsafe_base64 + ".csv" Rename the file :- File.rename("rohit.csv", csv_folder + csv_name ) You can also refer :- https://www.ruby-forum.com/top ic/204064

Import Mongodb Database:- mongorestore -d newdatabasename dumpfoldername Export(dump) Mongodb Database:- mongodump -d databasename -o /var/deploy

Add authorized key on AWS:- cat ~/.ssh/id_rsa.pub | ssh -i /home/Downloads/pemfile.pem username@ec2-**-***-***-***.us-west-2.compute.amazonaws.com 'cat >> ~/.ssh/authorized_keys'

Installing mysql on Digital Ocean :- we will refer :- https://www.digitalocean.com/community/tutorials/how-to-install-mysql-on-ubuntu-16-04 You can use this :- gem 'mysql' Path :-  /usr/bin/mysql development:   adapter: mysql2   encoding: utf8   reconnect: false   database: data_dev   pool: 5   username: root   password: root   socket: /var/run/mysqld/mysqld.sock production:   adapter: mysql2   encoding: utf8   reconnect: false   database: data_pro   pool: 5   username: root   password: root   socket: /var/run/mysqld/mysqld.sock

When we create new app or we want to use mysql database then sometimes we forgot the mysql database.yml file setting:- You can use this :- gem 'mysql' database.yml    default: &default       adapter: mysql2       encoding: utf8       pool: 5       username: root       password:       socket: /opt/lampp/var/mysql/mysql.sock   development:       <<: *default       database: database_name   test:       <<: *default       database: database_name   production:       <<: *default       database:  database_name