a2ikm

module Document
  extend ActiveSupport::Concern

  module ClassMethods
    def key(name, type)
      puts "a new key `#{name}` in `#{type}` is declared."
    end
  end
end

a2ikm

line_tracer = TracePoint.new(:line) do |tp|
  p [tp.path, tp.lineno]
end

RSpec.configure do |config|
  # enable for each test case
  config.around do |example|
    line_tracer.enable do 
      example.run
    end

a2ikm

s3sync = {
    maxProcesses = 1,
    onStartup = "aws s3 sync ^source ^target",
    onCreate  = "[ -f ^source^pathname ] && aws s3 cp ^source^pathname ^target^pathname || true",
    onModify  = "[ -f ^source^pathname ] && aws s3 cp ^source^pathname ^target^pathname || true",
    onDelete  = "[ -f ^source^pathname ] && aws s3 rm ^target^pathname || true",
    onMove    = "aws s3 mv ^target^o.pathname ^target^d.pathname",
}

sync {

a2ikm

#include <stdio.h>

int main(int argc, char **argv) {
  for (int i = 0; i < 4; i++) {
    int j = i;
    printf("&i = %p, &j = %p\n", &i, &j);
  }

  return 0;
}

a2ikm

package main

import "fmt"

func main() {
	for i := 0; i < 4; i++ {
		j := i
		fmt.Printf("&i = %p, &j = %p\n", &i, &j)
	}
}

a2ikm

var showHiddenCommentsButtons = document.getElementsByClassName('Details-content--closed');
for (var i=0; i < showHiddenCommentsButtons.length; i++) {
  showHiddenCommentsButtons[i].click();
}

a2ikm

// Place your key bindings in this file to override the defaults
[
  // cycle tabs in the current group with ctrl+tab and ctrl+shift+tab
  {
      "key": "ctrl+tab",
      "command": "workbench.action.nextEditorInGroup"
  },
  {
      "key": "ctrl+shift+tab",
      "command": "workbench.action.previousEditorInGroup"

a2ikm

module ActiveRecord::Tasks::DatabaseTasks
  class <<self
    prepend Module.new {
      def migrate(environment = env)
        each_current_configuration(environment) { |configuration|
          begin
            ActiveRecord::Base.establish_connection(configuration)
            super()
          ensure
            ActiveRecord::Base.establish_connection(environment.to_sym)

a2ikm

source "https://rubygems.org"

gem "sinatra"
gem "tilt-jbuilder", ">= 0.4.0", :require => "sinatra/jbuilder"

gem "hashie"

a2ikm

class String
  # byte単位で計算されたインデックスを文字単位に変換する。
  # 文字の途中や、範囲外の値が渡されたらnilを返す。
  #                                                                                                    
  def byteindex2charindex(byteindex)
    return 0 if byteindex == 0

    cur = 0
    codepoints.each.with_index(1) do |codepoint, index|
      cur += codepoint.chr(Encoding::UTF_8).bytesize