poudelmadhav

{
  "HTML": {
    "beautifiers": [
      "Pretty Diff",
      "JS-Beautify"
    ],
    "indent_size": 2,
    "indent_style": "space",
    "max_preserve_newlines": 0,
    "multiline_ternary": "never",

poudelmadhav

models = Model.all.group_by{|model| [model.attr1,model.attr2,model.attr3] }; nil
models.values.each do |duplicates|
  first_one = duplicates.shift
  duplicates.each{|double| double.destroy} # duplicates can now be destroyed
end

Source: Remove duplicate records based on multiple columns?

poudelmadhav

Copy data from one table to another table, and insert it.

INSERT INTO destination_table(
  col1, col2, col3, col4, col5, col6
)
SELECT col1, col2, col3, 'custom_value' as col4, col5, col6
FROM source_table;

poudelmadhav

First, add pry-rails to your Gemfile:
https://github.com/rweng/pry-rails

gem 'pry-rails', group: :development

Then you'll want to rebuild your Docker container to install the gems

poudelmadhav

Install Apache, Mysql, PHP

https://www.digitalocean.com/community/tutorials/how-to-install-linux-apache-mysql-php-lamp-stack-ubuntu-18-04

Apache2

sudo apt install apache2
sudo systemctl enable apache2
sudo service apache2 status
sudo ufw app list
sudo ufw allow in "Apache Full"
sudo a2enmod rewrite

poudelmadhav

# Example:
# Adding unique index on user_id(existing foreign_key) of kycs table
class AddUniqueIndexOnUserIdToKycs < ActiveRecord::Migration[6.0]
  def change
    remove_foreign_key :kycs, :users
    remove_index :kycs, :user_id
    add_index :kycs, :user_id, unique: true
    add_foreign_key :kycs, :users
  end
end

poudelmadhav

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

poudelmadhav

devise_for :users, :skip => [:registrations] 
as :user do
  get 'users/edit' => 'devise/registrations#edit', :as => 'edit_user_registration'
  put 'users' => 'devise/registrations#update', :as => 'user_registration'
end

# And then modify the app/views/devise/shared/_links.erb

poudelmadhav

# Source: https://github.community/t/cache-rails-assets-generated-by-webpacker/189057/4
- name: Get Webpacker cache key
  id: get-webpacker-cache-key
  run: |
    echo "::set-output name=key::$(bin/rails r 'print Webpacker::Instance.new.compiler.send(:watched_files_digest)')"
  shell: bash

  - name: Cache precompiled assets
  uses: actions/cache@v3
  with:

poudelmadhav

<div class="parent">
  <section>
    <h1>Center elements</h1>
    <p>Center elements vertically or horizontally using following css</p>
    <pre>
      <code>
.parent {
  display: flex;
  justify-content: center;
  align-items: center;