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gem install rmagick Fetching: rmagick-2.13.4.gem (100%) Building native extensions. This could take a while... ERROR: Error installing rmagick: ERROR: Failed to build gem native extension. /home/vagrant/.rbenv/versions/2.2.0/bin/ruby -r ./siteconf20150313-7941-u2y4vg.rb extconf.rb checking for Ruby version >= 1.8.5... yes checking for gcc... yes checking for Magick-config... no checking for pkg-co

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CSSメタ言語は基本的に同じ LessやSassとかScssとかいっぱいありますが、基本的にはみんな同じです。 とりあえずCSSと似ているScssを使うといいと思います。 #GUIのコンパイラを使おう CSSメタ言語はGUIコンパイラでコンパイルするといいです。compassなどを利用しコマンドラインでコンパイルしようと思いついても、GUIを使った方がずっと楽でいいとおもいます。 GUIコンパイラを２点、PreprosとKoalaをご紹介します。 Prepros https://prepros.io/ Koala http://blog.sou-lab.com/koala/ Koalaは.mapというファイルが生成されるらしく、Preprosがオススメです。 Sass/Scss と Less の比較 Sass/ScssとLessを比較です。一番違うのは構築の環境です。 Sass/Scss

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さくらレンタルサーバー(スタンダードプラン以上のプラン)にSSHの公開鍵認証でログインしました。 この記事では、SSH ログインの手法とともに、公開鍵認証でログインしパスワードを毎回入力しないで済む手順を記載しています。SSH でのパスワード要求に配慮した内容としました。 環境・事前準備 SSH ログイン環境は Mac から行いました。 環境はさくらレンタルサーバー（ボクの場合はスタンダードプラン）が契約済みであり、ローカルマシンには公開鍵と秘密鍵のペアが~/.sshディレクトリに用意されているものとします。 必要な情報は３つです。 さくらレンタルサーバー名 さくらレンタルサーバーのアカウント名 さくらレンタルサーバーのパスワード ログイン情報が書いてある契約サービスの接続情報を確認 さくらレンタルサーバーに契約すると、FTPのアクセス情報をメールで送ってきます。 メールの接続情報を確認し

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bundle install --path vendor/bundle 略 ************************************************************************ IMPORTANT! Nokogiri builds and uses a packaged version of libxml2. If this is a concern for you and you want to use the system library instead, abort this installation process and reinstall nokogiri as follows: gem install nokogiri -- --use-system-libraries If you are using Bundler, tell

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Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? HTML と CSS のコーディングルールを作ろう HTML と CSS のコーディング規約を中心に、メンテナンス性の良い HTML や CSS をコーディングする際に重要だと思うポイントをまとめています。 誰に向けた記事か この記事には、HTML や CSS を書く人に役立ちそうな内容が書いてあります。 特に初級者から中級者の方で、HTML や CSS を一通り学習した方からの反応が良いです。 まだ HTML や CSS の学習を始めて間もないという方は、先に案件やプロジェクトをこなしコーディング経験を積むことをお勧めします。経験を積

Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? HTMLとCSSクラスの命名について 命名で使用する単語に迷います。どうしたらいいですか。 基本単語のみをつかって命名すればいいんだ！！ ブロックなど親要素で使えそうなclass名 container : コンテナ main : メイン global : グローバル home : ホーム hero : でかいブロック。bootstrapのサンプルにある inner : 中味。 outer : 囲っているもの。親。wrapperと同じ。 wrapper : 囲っているもの。親。 例えば、facebookのidだとおおまかに home >