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# 秘密鍵を作成する(パスフレーズ有り)
openssl genrsa -aes256 4096 > private.key

# X.509 証明書生成 (自己署名証明書)
openssl req -new -x509 -key private.key -out cert.pem -days 36500 -subj /CN="sample"

# 証明書情報の確認
openssl x509 -noout -subject -dates -in cert.pem

# 暗号化

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#####   #####   #####   #####   #####   #####   #####   #####   #####   #####   #####   #####   #####   #####   #####   #####   #####

### Shell script to download Oracle JDK / JRE / Java binaries from Oracle website using terminal / command / shell prompt using wget / curl.
### You can download all the binaries one-shot by just providing one BASE_URL.
### Script might be useful if you need Oracle JDK on Amazon EC2 env.
### Script is updated for every JDK release.

### Features:-
# 1. Resumes a broken / interrupted [previous] download, if any.
# 2. Renames the file to a proper name with including platform info.

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#!/bin/sh
# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Max length of the OSC 52 sequence.  Sequences longer than this will not be
# sent to the terminal.
OSC_52_MAX_SEQUENCE="100000"
# Write an error message and exit.
# Usage: <message>
die() {

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package test;

import org.dbunit.DefaultOperationListener;
import org.dbunit.IDatabaseTester;
import org.dbunit.IOperationListener;
import org.dbunit.JdbcDatabaseTester;
import org.dbunit.database.DatabaseConfig;
import org.dbunit.database.IDatabaseConnection;
import org.dbunit.dataset.IDataSet;
import org.dbunit.dataset.ReplacementDataSet;

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m5.largeからm6i.largeに変更する手順

手順

1. インスタンス複製します

   • このタイミングで、m6i.largeに変更します

   • EC2インスタンスをコピーする方法 - Qiita

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window.addEventListener("load", function() {
    (function ($) {
        $(function () {
            $('form').submit(function () {
                $(this).find('input[type="submit"], button[type="submit"]').prop('disabled', 'true');
            });
        });
    })(django.jQuery);
});

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HTML-TIPS

---

上下中央揃え

<style type="text/css">
html, body {
	height: 100%;
}

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Difference between a Factory, Provider and a Service?

---

Factory: Assembles classes, either by composing a bunch of bits together, or choosing type based on some kind of context

Provider: Provider is something microsoft "invented" (basically an abstract factory pattern) that is a way of doing a factory of factories, or having a common factory interface which allows factories to be swappable. It is used all over in the MS web stack as a way to keep components configurable.

Service: A service is a group of related functionality. Think of it as if you are splitting your architecture horizontally, you have a "Business Logic" layer, if you split that vertically you will have services.

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#/bin/bash
# Finds the object with the specified group ID and changes the owning group.
#   _gid : Group ID that remains unchanged
#   _grp : Group name you want to change
find_gid_and_chown_group() {
    _gid=${1}
    _grp=${2}

    _buf_ifs=${IFS}
    IFS=

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How To Install Maven

Maven Central Repository は、現在、TLSv1.2でないと接続できなくなりました。

JDK1.7（を含めて）以前のバージョンで、Mavenビルドを実行している環境では、デフォルトでは、JDKがTLSv1.2をサポートしていないため、以下のようなエラーが発生していることと思います。

Received fatal alert: protocol_version -> [Help 1]