How to copy folder from SSH to local

Category: Ruby :: Published at: 20.12.2021

Copying data from ssh to local is not that hard:

scp -r admin/backups

This is how to copy from local to remote:

scp /Downloads/example_file.txt

You can use "-r" flag to copy full folder. Without this you can copy only one file.

Kill your ruby session

Category: Ruby :: Published at: 07.12.2021

Quick cheatsheet to kill your Rails session on port 3000

kill -9 $(lsof -i tcp:3000 -t)

How to configure delayed_job to work on development environment

Category: Ruby :: Published at: 14.10.2021

Please take a note, that this is only brain shortcut for my personal use. 

It won't tell you how to install and configure delayed job on your computer.

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How to filter stacktrace in byebug

Category: Ruby :: Published at: 12.10.2021

Sometimes simple debugging with byebug is not enough and you need to dive deeper.

If you need to get the stacktrace you can simply use command:

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RSpec - How to chain .to change matcher in rubocop

Category: Ruby :: Published at: 23.09.2021

If you use rubocop and want to chain [.to change] matcher, it can be quite confusing.

Here is how you should do it correctly:

subject(:service_call) { id) }

let(:car) { create :car }

it "passes test" do
  expect { service_call }.to(
    change { car.brand }.to("Opel")
      .and(change { car.model }.to("Astra")
      .and(change { car.production_year }.to(1997),

How to connect NGROK with a Rails application

Category: Ruby :: Published at: 01.07.2021

Ngrok let us to publish our local application for the world. It is very useful for example if we want to create a webhook integration.

These are simple steps to connect NGROK with your rails application:

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