kei-sato

#!/usr/bin/env python
#coding:utf-8

# Exchange usd to any currency, or any currency to usd
# help: python convert_usd.py -h

import os.path
from datetime import date, datetime
import argparse
import urllib

kei-sato

# Clustering with Lance-Williams updating formula
# http://ibisforest.org/index.php?Lance-Williams%20updating%20formula

calcSquare = (n) -> n * n

haversine = (lat1, lng1, lat2, lng2) ->
  6371000 * 2 * Math.asin(Math.sqrt(Math.pow(Math.sin((lat1 - Math.abs(lat2)) * Math.PI / 180 / 2), 2) + Math.cos(Math.abs(lat1) * Math.PI / 180 ) * Math.cos(Math.abs(lat2) * Math.PI / 180) * Math.pow(Math.sin((lng1 - lng2) * Math.PI / 180 / 2), 2) ))

##
# calculate distance between 2 numbers

kei-sato

#!/usr/bin/env bash

set -e

abort() { echo "$@" 1>&2; exit 1; }

USAGE="
Usage: $0 [-xhn] [-c CAL_NUMBER] [-i INTERVAL] [-t DURATION] (-D DATETIME | -S SECONDS | -M MINUTES | -H HOURS | -d DAYS) TITLE
-x) Debug (show all commands)
-h) help

kei-sato

#!/usr/bin/env bash
# reverse arp

USAGE='
Example:
rarp 00:0a:95:9d:68:16
=> 192.168.0.253
'

abort() {

kei-sato

#!/usr/bin/env ruby

# https://goo.gl/JJ8BaU
class Integer
  def prime?
    n = self.abs()
    return true if n == 2
    return false if n == 1 || n & 1 == 0
    d = n-1                                 # nは奇数だからdは偶数
    d >>= 1 while d & 1 == 0                # n-1 = d * 2^s

kei-sato

#!/usr/bin/env bash

# read from argument or stdin
mask="$1"; [[ -z "$mask" ]] && read -r mask < /dev/stdin
# remove 0x
mask="${mask##0x}"

count=0

while [ "$mask" != "" ]; do

kei-sato

# https://github.com/docker/distribution/blob/master/docs/configuration.md
# https://github.com/docker/distribution/blob/master/cmd/registry/config-example.yml

# usage:
# docker run -d -p 5000:5000 --name registry \
# -v /path/to/this/config.yml:/etc/docker/registry/config.yml \
# -e REGISTRY_STORAGE_S3_ACCESSKEY= \
# -e REGISTRY_STORAGE_S3_SECRETKEY= \
# -e REGISTRY_STORAGE_S3_REGION= \
# -e REGISTRY_STORAGE_S3_BUCKET= \

kei-sato

server {
    listen 80;
    charset utf-8;

    auth_basic "Restricted";
    auth_basic_user_file /etc/nginx/.htpasswd;

    location / {
        root /usr/share/nginx/html;
        index index.html;

kei-sato

# : how to create key pair which is used to ssh login to ec2 instances
# keypair_name=mykey1
# ssh-keygen -t rsa -f ~/.ssh/${keypair_name}
# aws ec2 import-key-pair --key-name ${keypair_name} --public-key-material file://$HOME/.ssh/${keypair_name}.pub

# : modify these variables to fit your situation
# StackName=ec2-run-instance
# yaml2json > /tmp/parameters.json << 'EOF'
# - ParameterKey: KeyName
#   ParameterValue: mykey1

kei-sato

#!/usr/bin/env node

/*

# Usage

```
: list objects
node aws-sdk-tips.js -b bucket-name -k path/to/dir