Ruby on rails

Exporting to CSV in rails

https://dev.to/victorhazbun/export-records-to-csv-files-with-rails-2778 https://testsuite.io/build-export-to-csv-with-rails

Ruby and Docker

gem query --local gem list | grep bundler

how to use a specific gem version

bundler _2.3.17_ update webpacker

docker-compose build --no-cache

docker-compose --verbose up --force-recreate

What is the difference between a symbol and a string

String:

def update
  @book = Book.find(params[:id])
  if @book.update(book_params)
    redirect_to(@book)
  else
    render "edit"
  end
end

Symbol:

def update
  @book = Book.find(params[:id])
  if @book.update(book_params)
    redirect_to(@book)
  else
    render :edit
  end
end

Created on: 12th October, 2022

Last updated: 12th October, 2022

Tagged With:

• ruby
• rails