| ''' | |
| Variable width bytes representation of uint64_t. | |
| Inspired by Ruby interpreter。 | |
| https://techlife.cookpad.com/entry/2019/09/26/143000 | |
| > 0x0000000000000000 - 0x000000000000007f: 1byte | 1XXXXXXX | | |
| > 0x0000000000000080 - 0x0000000000003fff: 2bytes | 01XXXXXX | XXXXXXXX | | |
| > 0x0000000000004000 - 0x00000000001fffff: 3bytes | 001XXXXX | XXXXXXXX | XXXXXXXX | | |
| > 0x0000000000020000 - 0x000000000fffffff: 4bytes | 0001XXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX | |
| #!/bin/bash | |
| # PS1の設定 | |
| C() { | |
| case $1 in | |
| black) echo -e -n "\033[1;30m";; | |
| red) echo -e -n "\033[1;31m";; | |
| green) echo -e -n "\033[1;32m";; | |
| yellow) echo -e -n "\033[1;33m";; | |
| blue) echo -e -n "\033[1;34m";; |
| class CsvFormController < ApplicationController | |
| # 「名前・年齢・メールアドレス」のCSVファイルをアップロードして、Userを作れる画面 | |
| # | |
| # 太郎,32,taro@example.com | |
| # 二郎,30,jiro@example.com | |
| # 三郎,27,sabu@example.com | |
| def upload | |
| rows = CSV.parse(params[:file].read) | |
| UserUploadJob.perform_later(rows: rows) | |
| end |
| $ git ls-files | xargs -n 1 sed -i 's|find_by_admin|find_by(type: :admin)|g' |
| #!/bin/bash | |
| set -euC | |
| if [ "$#" -eq 0 ]; then | |
| echo 'git sed COMMAND [PATH [PATH[...]]]' >&2 | |
| exit 1 | |
| fi | |
| if which gsed > /dev/null; then | |
| SED=gsed # for macOS | |
| else |
They are Python libraries that I developped on 2011.
They are ports of ruby gems with same name (execjs and ruby-coffee-script).
The aim of them were to compile CoffeeScript code on Windows XP.
| import sys | |
| import csv | |
| import pandas as pd | |
| from pprint import pprint | |
| from sklearn import linear_model | |
| from sklearn import svm | |
| from sklearn.preprocessing import StandardScaler | |
| def read_csv(filename): | |
| df = pd.read_csv(filename) |
| # インターネットから直接データをダウンロードする | |
| import matplotlib.pyplot as plt | |
| import pandas as pd | |
| import numpy as np | |
| import datetime as dt | |
| import statsmodels.formula.api as sm | |
| import itertools | |
| import math |
| # Rakefile | |
| # パターンにマッチするファイルのリストを生成 | |
| Src = FileList['src/*.js'] | |
| # dist.jsの生成にはSrcに含まれるファイルが必要と定義 | |
| # do〜endの中で具体的な生成方法を定義 | |
| file 'dist.js' => Src do |t| | |
| # t.sourcesがソースファイルのリストなので、それをスペースで連結したコマンドラインを生成 | |
| sh "browserify -o dist.js #{t.sources.join(' ')}" | |
| end |