sephraim’s gists

sephraim / read_simlink.sh

Created January 15, 2023 18:48

[Read symlink location]

	# e.g. see where Ruby is actually installed
	readlink $(which ruby)

sephraim / docker-compose.sql

Created January 15, 2023 18:44

[PostgreSQL, Adminer, and Docker Compose]

TODO

sephraim / httparty_examples.rb

Last active December 13, 2022 06:52

[HTTParty examples]

	# GET
	HTTParty.get('www.example.com')

	# POST
	HTTParty.post(
	'www.example.com',
	headers: { 'Content-Type' => 'application/json' },
	body: {
	title: 'The Catcher in the Rye',
	author: 'J. D. Salinger',

sephraim / stub_env.rb

Last active November 14, 2022 21:02

[Stub ENV variables] Stub environment variables in RSpec tests

	before(:example) do
	stub_const('ENV', ENV.to_hash.merge('FOO' => 'bar', 'BAZ' => 'blah'))
	end

sephraim / install-wait-for-it.Dockerfile

Created October 24, 2022 21:45

[Install wait-for-it in Docker image]

	RUN apt-get update -qq && \
	apt-get install -y --no-install-recommends wait-for-it && \
	rm -rf /var/lib/apt/lists/*

sephraim / anon_class.rb

Created October 17, 2022 22:41

[Create an anonymous class]

	# Initialize
	#
	# @return [void]
	def initialize
	# Setup a simple logger for running locally (if full $logger not available)
	$logger \|\|= Class.new do
	# Print info message
	#
	# @param msg [String] Message to print
	# @return [void]

sephraim / docker-compose-run.sh

Last active October 29, 2022 20:14

[Quickly run command inside Docker container] Create a temporary container from your docker-compose.yml setup and run a command in it. #docker

	# Example 1
	docker compose run --entrypoint 'bash -c' --rm web 'bundle exec rails {db:create,db:migrate}'

	# Example 2
	docker compose run --no-deps --rm web bundle install && docker compose build

	# Example 3
	docker compose run --no-deps --rm -e GEM_HOME=/home/ruby/gems <SERVICE_NAME> bundle install

sephraim / elasticsearch.rb

Created October 13, 2022 20:18

[Ruby Elasticsearch client examples]

	# GET shards
	num_shards_in_use = client.cluster.stats['indices']['shards']['total']

	# GET docs
	response = client.search(index: 'index_name', q: '!2022-10-11 AND !2022-10-12 AND !2022-10-13', df: 'date', _source_includes: ['name', 'date'])
	docs = response['hits']['hits']
	num_docs = response['hits']['total']['value']

	# GET indices
	all_indices = client.indices.stats['indices'].map(&:first)

sephraim / try_block.rb

Last active October 13, 2022 07:50

[Try blocks in Ruby] How to use a begin...rescue...else...ensure block for exception handling

	# Max number of retries if error occurs while pruning index
	MAX_NUM_RETRIES = 3

	# Number of seconds to wait between retries
	RETRY_TIMEOUT_SECONDS = 5

	begin
	retries \|\|= 0
	# Do something
	rescue StandardError => e

sephraim / get_web_page.rb

Last active October 4, 2022 19:36

[Get web page source] Get the contents of a web page using Ruby's built-in open-uri library

Sean Ephraim sephraim