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Adding Custom Fields to Devise

Before doing anything, please check the versions of the gem files:

gem 'rails', '~> 5.1.4'
gem 'devise', '~> 4.4.0'

Disclaimer - This solution may not work with older versions of rails and devise. Versions listed above were the latest versions of gems which I was using at the time of creation and tests. (10 Jan 2018)

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{
  "singleQuote": true,
  "trailingComma": "all"
}

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Meta tags
https://cards-dev.twitter.com/validator
https://developers.facebook.com/tools/debug
https://www.linkedin.com/post-inspector/

Web markup 
https://validator.w3.org/

CSS
http://jigsaw.w3.org/css-validator/

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https://code.qantas.com/
https://engineering.linkedin.com/

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Full Environments
https://stackblitz.com
https://aws.amazon.com/cloud9

Frontend Development Environments
https://codepen.io
https://codesandbox.io

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Alphasights Technical Challenge

Using Ruby on Rails we would like you to create a simple expert search tool. The application should fulfill the requirements below. The source code must be placed in a public repo on GitHub. The application should be deployable on Heroku.

• I enter a name and a personal website address and a member is created.
• When a member is created, all the heading (h1-h3) values are pulled in from the website to that members profile.
• The website url is shortened (e.g. using http://goo.gl)
• After the member has been added, I can define their friendships with other existing members. Friendships are bi-directional i.e. If David is a friend of Oliver, Oliver is always a friend of David as well.
• The interface should list all members with their name, short url and the number of friends e.g. Alan http://goo.gl/3io1P (3)

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https://www.hackerrank.com
https://exercism.io
https://www.codewars.com
https://devskiller.com/coding-tests-skill/ruby-on-rails
http://rubykoans.com

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# http://guides.rubygems.org/command-reference/#gem-environment

# <gem_command>: A string containing arguments for the specified gem command
# -N, --no-document - Disable documentation generation
# --[no-]document [TYPES] - Generate documentation for installed gems List the
# documentation types you wish to generate. For example: rdoc,ri
# --[no-]suggestions - Suggest alternates when gems are not found
gem: --no-ri --no-rdoc --no-document --suggestions

# The paths in which to look for gems

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Reference : https://paulbrowne.xyz/https-localhost

Enter in terminal:

$ cd; mkdir .ssl

$ openssl req -newkey rsa:2048 -x509 -nodes -keyout .ssl/localhost.key -new -out .ssl/localhost.crt -subj /CN=localhost -reqexts SAN -extensions SAN -config <(cat /System/Library/OpenSSL/openssl.cnf <(printf '[SAN]\nsubjectAltName=DNS:localhost')) -sha256 -days 3650

$ sudo security add-trusted-cert -d -r trustRoot -k /Library/Keychains/System.keychain .ssl/localhost.crt

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/* normal flexbox */
.flexbox .flex-container {
        display: -webkit-flex;
	display: -moz-flex;
	display: -ms-flex;
	display: flex;
}
.flexbox .flex-container.vertical {
	display: -webkit-flex;
	display: -moz-flex;