kudosqujo’s gists

kudosqujo / rm_whitespace_retab.sh

Created September 24, 2019 19:33

Remove trailing whitespace / retab directory of files (recursively)

	Resources:
	- https://superuser.com/questions/39040/re-indent-shell-script
	- https://unix.stackexchange.com/questions/12902/how-to-run-find-exec
	- https://superuser.com/questions/336016/invoking-vi-through-find-xargs-breaks-my-terminal-why

	find ./path/to/dir -type f -name '*.rb' \
	-exec vim -c 'set tabstop=2 shiftwidth=2 \| retab \| +normal gg=GZZ \| %s/\s\+$//e \| wq' {} \;

kudosqujo / mix_deps_get_and_compile.sh

Last active October 22, 2019 18:54

Get and Compile Mix dependencies #mix #elixir

mix run deps.get, compile

kudosqujo / install_sinatra.sh

Last active October 22, 2019 18:54

Install Sinatra w/o Documentation (as that may take extra time) #sinatra

$ gem install sinatra --no-rdoc --no-ri

kudosqujo / generate_method.rb

Last active April 9, 2020 00:34

[instance_eval and Procs] Using instance_eval and code blocks

	# Will experience a performance benefit over #instance_eval as
	# this method will experience only 1 scope change whereas with
	# #instance_eval, that will happen for each request
	def generate_method(method_name, &block)
	method_name = method_name.to_sym
	define_method(method_name, &block)
	# grab the unbound method block
	method = instance_method method_name
	remove_method method_name
	method

kudosqujo / run_rack_app.sh

Last active April 8, 2020 21:29

[Run Rack App] #rack

	rackup -p 4567

	# Must be called in same directory as config.ru
	# -s thin specifies to run w/ thin server
	rackup -p 4567 -s thin

kudosqujo / sinatra_class_inheritance.rb

Last active April 8, 2020 21:28

[Sinatra Class Inheritance] #sinatra

	require 'sinatra/base'
	class MyApp < Sinatra::Base; end
	class SubApp < MyApp; end
	MyApp.set :string, "Hi"
	MyApp.string #=> "Hi"
	SubApp.string #=> "Hi"

	SubApp.set :string, "Hello"
	SubApp.string #=> "Hello"
	MyApp.string #=> "Hi"

kudosqujo / list_directories_only.sh

Last active April 8, 2020 21:26

List directories only

ls -l | grep ^d

kudosqujo / Directives.md

Last active April 8, 2020 21:27

[GraphQL Terms] examples of directives, variables, fragments, and inline fragments #graphql

query Hero($episode: Episode, $withFriends: Boolean!) {
  hero(episode: $episode) {
    name
    friends @include(if: $withFriends) {
      name
    }
  }
}

kudosqujo / undo_dropped_commit.sh

Created January 2, 2020 20:07

Undo a dropped commit #git

	# Find the SHA of the dropped commit
	gitk --all --date-order $(git log -g --pretty=%H)

	# Once you have found the correct state of your branch, you can get back to that state by running
	git reset --hard SHA

	# You could also link that old state to a new branch name using
	git checkout -b newbranch SHA

kudosqujo / define_hash_tables_in_bash3.bash

Last active April 9, 2020 00:39

Define Hash Tables in Bash #bash

	#!/usr/bin/env bash

	# Assumes you are running with Bash 3
	# {see: https://stackoverflow.com/questions/1494178/how-to-define-hash-tables-in-bash}

	# First, indirection.
	animals_moo=cow; sound=moo; i="animals_$sound"; echo "${!i}"

	# Secondly, `declare`:
	sound=moo; animal=cow; declare "animals_$sound=$animal"; echo "$animals_moo

qujo kudosqujo