hatappi

loop_num = 100000
start_time = Time.now
str1 = ''
(1..loop_num).each do |_n|
  str1 += 'a'
end
p "+=で#{loop_num}回結合するのにかかった時間は#{Time.now - start_time}秒"

start_time = Time.now
str2 = ''

hatappi

#!/bin/bash

EXEC_SCRIPT=/opt/local/bin/airflow
CMDNAME=`basename $0`
LOG_DIR=/var/log/airflow
PID_DIR=/var/run
PID_FILE="$PID_DIR"/airflow_webserver.pid
LOG_FILE="$LOG_DIR"/webserver.log
PORT=8888
RUN_USER=vagrant

hatappi

[Unit]
Description=Kuroko2 executor

[Service]
Environment=LANG=ja_JP.UTF-8
Environment=RAILS_ENV=production
Environment=NUM_WORKERS=2
Environment=QUEUE=@default
User=<user_name>
WorkingDirectory=<kuroko2プロジェクトのディレクトリ>

hatappi

test

1. hoge
   • AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

hatappi

#!/usr/bin/env ruby

require 'matrix'

CLASS_1 = 1
CLASS_2 = 2

data = Matrix.rows([
  [ 1.0, CLASS_1],
  [ 0.5, CLASS_1],

hatappi

function main() {
  const threads = GmailApp.search('label:gcsエクスポート-未処理');
  for(var i = 0; i < threads.length; i++) {
    const messages = GmailApp.getMessagesForThread(threads[i]);
    /* 各メールから日時、送信元、件名、内容を取り出す*/
    const message = messages[messages.length - 1];
    const attachments = message.getAttachments();
    for(var j = 0; j < attachments.length; j++) {
      if (attachments[0].getName() == "書き出す.zip") {
        // GmailAttachment

hatappi

{
  "variables": {
    "docker_hub_login_email": "{{env `DOCKER_HUB_LOGIN_EMAIL`}}",
    "docker_hub_login_password": "{{env `DOCKER_HUB_LOGIN_PASSWORD`}}"
  },
  "builders":[
    {
      "type": "docker",
      "image": "ubuntu",
      "export_path": "image.tar"

hatappi

version: 2
jobs:
  build:
    docker:
      - image: ruby:2.4.1
    working_directory: ~/circleci-2.0
    steps:
      - checkout
      - run: ruby -v
  deploy:

hatappi

require 'pycall/import'
include PyCall::Import

pyimport 'numpy', as: :np

x = np.matrix.([[1,2], [3, 4]])
# => matrix([[1, 2],
#        [3, 4]])
y = np.matrix.([[5,6], [7, 8]])
# => matrix([[5, 6],

hatappi

require 'arrow'
input = Arrow::MemoryMappedInputStream.open("/dev/shm/arrays.arrow")
reader = Arrow::RecordBatchFileReader.new(input)
reader.first.find_column('x').entries.map(&:to_a)
# => [[1, 2], [3, 4]]
reader.first.find_column('y').entries.map(&:to_a)
# => [[5, 6], [7, 8]]
reader.first.find_column('z').entries.map(&:to_a)
# => [[19, 22], [43, 50]]