takehikom https://blog.hatena.ne.jp/takehikom/ わさっきhb https://takehikom.hateblo.jp/ Ruby 久しぶりにgem updateをしてみると，長々とエラーが出てきました． $ gem update 略/ruby/lib/ruby/2.0.0/yaml.rb:6:in `<top (required)>': It seems your ruby installation is missing psych (for YAML output). To eliminate this warning, please install libyaml and reinstall your ruby. 略/ruby/lib/ruby/2.0.0/rubygems/custom_require.rb:36:… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakehikom.hateblo.jp%2Fentry%2F20120918%2F1347894002" title=" CygwinでRubyの最新版スナップショットをビルド―psych対応― - わさっきhb" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2012-09-18 00:00:02 rich https://takehikom.hateblo.jp/entry/20120918/1347894002 1.0 100%