ganmacs

  var
  preFunc = null,
  preInput = '',
  input = '',
  ajaxPost = function(input) {
    // apiコール
  };


  $('#ajax_form').on('keyup', function() {

ganmacs

(defmacro append-to-list (mode-list &rest body)
  (let ((lst (gensym)))
    `(dolist (,lst ',body)
       (add-to-list ,mode-list ,lst))))

; Unit Test

(dont-compile
  (require 'ert)
  (require 'cl)

ganmacs

(autoload 'scheme-mode "cmuscheme" "Major mode for Scheme." t)
(autoload 'run-scheme "cmuscheme" "Run an inferior Scheme process." t)

(add-to-list 'process-coding-system-alist '("gosh" utf-8 . utf-8))
(setq scheme-program-name "/usr/local/bin/gosh -i")

(defun scheme-other-windows ()
  (interactive)
  (save-selected-window
    (select-window (split-window-horizontally))

ganmacs

hash = [{id: 1, name: 'taro', old: 22, sex: 'men'},
        {id: 2, name: 'hanako', old: 22, sex: 'woman'},
        {id: 3, name: 'taro', old: 24, sex: 'men'},
        {id: 4, name: 'taro', old: 24, sex: 'woman'},
        {id: 5, name: 'taro', old: 22, sex: 'woman'},
       ]

p hash.uniq { |h| [h[:name], h[:old]] }
# => [{:id=>1, :name=>"taro", :old=>22, :sex=>"men"}, {:id=>2, :pname=>"hanako", :old=>22, :sex=>"woman"}, {:id=>3, :name=>"taro", :old=>24, :sex=>"men"}]

ganmacs

(defun one-line-comment ()
  (interactive)
  (save-excursion
    (beginning-of-line)
    (set-mark (point))
    (end-of-line)
    (comment-or-uncomment-region (region-beginning) (region-end))))

ganmacs

ary = [1, 10, 2, 5, 8, 4, 6]
ary.each_with_index.max[1]

ganmacs

a = {c: 3, b: 2, dd: 5, a: 1}
p a.sort.to_h

ganmacs

# メソッド内で

value = foo_method
return if value.nil?

# 下でも一緒

value = foo_method.tap { |e| return  if  e.nil?}

ganmacs

AllCops:
  Exclude:
    - 'db/schema.rb'
    - 'vendor/**/*'
    - 'db/migrate/**/*'

Metrics/LineLength:
  Max: 120

Metrics/CyclomaticComplexity:

ganmacs

require 'forwardable'
class A
  extend Forwardable
  def_delegators :@ary, :size, :[]=, :[], :<<, :to_s, :inspect

  def initialize
    @ary = []
  end
end