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---
include:
  - ".solargraph_definitions.rb"
  - "app/**/*.rb"
  - "config/**/*.rb"
  - "lib/**/*.rb"
exclude:
  - test/**/*
  - vendor/**/*
  - ".bundle/**/*"

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var dgram = require('dgram'); // dgram is UDP

// Listen for responses
function listen(port) {
	var server = dgram.createSocket("udp4");

	server.on("message", function (msg, rinfo) {
		console.log("server got: " + msg + " from " + rinfo.address + ":" + rinfo.port);
	});

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使用方法

• 以下のようにしてスクリプトを取得する。もしくは、downloadして解凍。

 $ git clone git://gist.github.com/3973319.git

• 実行
• 自マシンでのIPアドレスを取得してRoute53にhoge.example.com.のAレコードを設定する

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sudo apt-get install autoconf bison build-essential libssl-dev libyaml-dev libreadline6-dev zlib1g-dev libncurses5-dev libffi-dev libgdbm6 libgdbm-dev libdb-dev

sudo apt-get update

sudo apt-get -y install git-core curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev libcurl4-openssl-dev software-properties-common libffi-dev postgresql-13 postgresql-13-postgis-3 libpq-dev libtool-bin cmake pkg-config

curl -fsSL https://github.com/rbenv/rbenv-installer/raw/HEAD/bin/rbenv-installer | bash
sh -c 'echo "export PATH=~/.rbenv/bin:\$PATH" >> ~/.bash_profile'
sh -c 'echo "eval \"\$(rbenv init - bash)\"" >> ~/.bash_profile'

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OpenSSL Playground

Certificates

Print Certificate ( crt file )

openssl x509 -in stackexchangecom.crt -text -noout

Print Certificate ( pem file )

openssl x509 -in cert.pem -text -noout

Print Certificate ( cer file )

openssl x509 -inform der -in foobar.cer -noout -text

Read part of Certificate

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require 'mail'
require 'securerandom'

size_distribution = {
  10 => (0..19),
  80 => (20..39),
  150 => (40..59),
  250 => (60..79),
  15_000 => (80..100)
}

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Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

Example

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#!/bin/bash
#
# provision.sh
#
# This file is specified in Vagrantfile and is loaded by Vagrant as the primary
# provisioning script whenever the commands `vagrant up`, `vagrant provision`,
# or `vagrant reload` are used. It provides all of the default packages and
# configurations included with Varying Vagrant Vagrants.

# By storing the date now, we can calculate the duration of provisioning at the

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SPC s c remove highlight

**** Files manipulations key bindings
Files manipulation commands (start with ~f~):

| Key Binding | Description                                                    |
|-------------+----------------------------------------------------------------|
| ~SPC f c~   | copy current file to a different location                      |
| ~SPC f C d~ | convert file from unix to dos encoding                         |
| ~SPC f C u~ | convert file from dos to unix encoding                         |

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;;; x12-mode.el --- major mode for editing X12 messages

;; Copyright (C) 2005 APP Design, Inc.

;; Author: Ivan K, x12 at users.sourceforge.net
;; Maintainer: Ivan K, x12 at users.sourceforge.net
;; Version: 1.0
;; Keywords: X12 evil must die message file EDI major mode
;; Created: 2005-02-08
;; Modified: 2005-02-08