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Reading and Writing to CSV files in Ruby

These are the very basics of reading and writing to CSV files in Ruby. For more details and other available options consider checking out the full documentation: here


Consider a given csv file scientists.csv with the following content:

@joshbuchea
joshbuchea / semantic-commit-messages.md
Last active July 24, 2024 08:58
Semantic Commit Messages

Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

Example

@zulhfreelancer
zulhfreelancer / heroku_pg_db_reset.md
Last active June 17, 2024 11:44
How to reset PG Database on Heroku (for Rails app)?

It's important to note that running this reset will drop any existing data you have in the application

How to reset PG Database on Heroku?

  • Step 1: heroku restart
  • Step 2: heroku pg:reset DATABASE (no need to change the DATABASE)
  • Step 3: heroku run rake db:migrate
  • Step 4: heroku run rake db:seed (if you have seed)

One liner