{"id":240,"date":"2013-12-15T22:05:56","date_gmt":"2013-12-15T13:05:56","guid":{"rendered":"http:\/\/www.uturtle.com\/blog\/?p=240"},"modified":"2013-12-18T20:17:16","modified_gmt":"2013-12-18T11:17:16","slug":"ruby-%ec%96%b8%ec%96%b4-%ec%a0%95%eb%a6%ac-1","status":"publish","type":"post","link":"https:\/\/www.jinukbaek.com\/blog\/ko\/archives\/240","title":{"rendered":"Ruby \uc5b8\uc5b4 \uc815\ub9ac (1)"},"content":{"rendered":"<h2>\uc22b\uc790\ub97c \uc4f0\ub294 \uba87\uac00\uc9c0 \ubc29\ubc95<\/h2>\n<ul>\n<li>3.14<\/li>\n<li>31415.9e-4<\/li>\n<li>123456789<\/li>\n<li>12_345_678_910<\/li>\n<li>0x3D3A<\/li>\n<\/ul>\n<h2>\ubb38\uc790\uc5f4 (\uc544\ub798\ub294 \uac19\uc740 \ubb38\uc790\uc5f4\uc784)<\/h2>\n<ul>\n<li>&#8220;Hello World&#8221;<\/li>\n<li>&#8216;Hello World&#8217;<\/li>\n<li>%q!Hello World!<\/li>\n<li>%Q!Hello World!<\/li>\n<li>%q\/Hello World\/<\/li>\n<li>%{Hello World}<\/li>\n<\/ul>\n<h2>HERE \ubb38\uc11c \uae30\ub2a5<\/h2>\n<pre class=\"lang:ruby decode:true\"><code>print &lt;&lt; HERE\r\nHello \r\nWorld \r\n!!\r\nHERE`\r\n<\/code><\/pre>\n<p>1\ubc88\uc9f8 \uc904\uc758 HERE\ubd80\ud130 \ub9c8\uc9c0\ub9c9\uc904 HERE\uae4c\uc9c0 \ud558\ub098\uc758 \ubb38\uc790\uc5f4\ub85c \ubd04<br \/>\n\uc989 \uc790\ub3d9\uc73c\ub85c \uac1c\ud589\ubb38\uc790\ub97c \ubd99\uc5ec \uc90c<\/p>\n<h2>\uc0c1\uc218\/\ubcc0\uc218<\/h2>\n<ul>\n<li>\ub300\ubb38\uc790 Only : \uc0c1\uc218<\/li>\n<li>\uadf8 \uc774\uc678 : \ubcc0\uc218<\/li>\n<\/ul>\n<h2>\ud070\ub530\uc634\ud45c \ubb38\uc790\uc5f4 \uc548\uc5d0 \ubcc0\uc218 \uac12 \uc0bd\uc785<\/h2>\n<p><code>puts \"My name is #{name}.\"<\/code> #{}\ub97c \uc774\uc6a9\ud558\uc5ec \ud574\uacb0\ud55c\ub2e4.<\/p>\n<h2>\uac04\ub2e8\ud55c \uc785\ucd9c\ub825 \uc608\uc81c<\/h2>\n<pre class=\"lang:ruby decode:true\"><code>print please enter your name: \r\ngets\r\nchomp\r\nputs \"Your name is #{$_}.\"\r\n<\/code><\/pre>\n<ol>\n<li><code>gets<\/code>\ub294 <code>$_<\/code>\uc5d0 \ud0a4\ubcf4\ub4dc\ub85c \uc785\ub825\ud55c \ubb38\uc790\uc5f4\uc744 \uc800\uc7a5\ud55c\ub2e4.<\/li>\n<li><code>chomp<\/code>\ub294 <code>$_<\/code> \ub4a4\uc5d0 \uac1c\ud589 \ubb38\uc790\ub97c \uc81c\uac70\ud55c\ub2e4.<\/li>\n<li>#{$_}\ub97c \uc785\ub825\ubc1b\uc740 \uacb0\uacfc\ubb3c\uc744 \ucd9c\ub825\ud55c\ub2e4.<\/li>\n<\/ol>\n<h2>\uc2ec\ubcfc<\/h2>\n<p>C\uc5b8\uc5b4 <code>enum<\/code>\uc5d0\uc11c \uc4f0\ub294 \uac12\uacfc \uc720\uc0ac\ud55c \uac83\uc774\ub2e4. <code>:data<\/code>\uc640 \uac19\uc740 \ud615\uc2dd\uc73c\ub85c \uc774\uc6a9\ud55c\ub2e4.<\/p>\n<h2>C\uc5b8\uc5b4\uc640 \ub2e4\ub978 \uc5f0\uc0b0\uc790<\/h2>\n<ul>\n<li><code>**<\/code> : Exponential(\ub204\uc2b9)<\/li>\n<li><code>&lt;=&gt;<\/code> : \uc791\uc73c\uba74 \uc74c\uc218, \uac19\uc73c\uba74 0, \ud06c\uba74 \uc591\uc218 \ubc18\ud658<\/li>\n<li><code>==<\/code> : \uac19\ub2e4<\/li>\n<li><code>===<\/code> : case\ubb38\uc758 when\uc808\uc5d0\uc11c \uc0ac\uc6a9\ud558\ub294 \ub3d9\uce58 \uc5f0\uc0b0\uc790<\/li>\n<li><code>=~<\/code> : \uc815\uaddc \ud45c\ud604\uc2dd \ud328\ud134 \uac80\uc0ac \uc5f0\uc0b0\uc790<\/li>\n<li><code>defined?<\/code> : \uc5b4\ub5a4 \uc2ec\ubcfc\uc774 \uc815\uc758\ub418\uc5b4 \uc788\uc73c\uba74 \ucc38<\/li>\n<li><code>begin<\/code>, <code>end<\/code> : \ube14\ub85d \ud45c\ud604\uc2dd<\/li>\n<li><code>if<\/code>, <code>unless<\/code>, <code>while<\/code>, <code>until<\/code> : \uc2e4\ud589\ubb38<\/li>\n<\/ul>\n<h2>\ubc30\uc5f4 \ucca8\uc790 \ucc28\uc774<\/h2>\n<p><code>array\\[start, count]<\/code> : \ub9ac\ud134\uac12\uc740 start\ubd80\ud130 \uac2f\uc218 \ub9cc\ud07c\uc758 \uc6d0\uc18c\ub97c \uac00\uc838\uc628\ub2e4.<\/p>\n<h2>\ud574 \uc26c<\/h2>\n<p><code>res = {\"first\" =&gt; \"Gildong\", \"last\" =&gt; \"Hong\"}<\/code> : \ud615\uc2dd\uc73c\ub85c \uc0ac\uc6a9<\/p>\n<p><code>res[\"first\"]<\/code> : res\uc5d0\uc11c first\ub77c\ub294 \uac12\uc744 \uac00\uc838\uc628\ub2e4<\/p>\n<h2>\ubc94 \uc704(range)<\/h2>\n<p><code>1..4<\/code> : 1, 2, 3, 4<\/p>\n<p><code>1...4<\/code> : 1, 2, 3<\/p>\n<h3>\ubc30\uc5f4 \ubcc0\ud658<\/h3>\n<p>.to_a \ub77c\ub294 \uba54\uc18c\ub4dc\ub97c \uc774\uc6a9<\/p>\n<ul>\n<li><code>(1..4).to_a<\/code> : <code>[1,2,3,4]<\/code><\/li>\n<li><code>(1...3).to_a<\/code> : <code>[1,2,3]<\/code><\/li>\n<\/ul>\n<p>\uc624\ub984\ucc28\uc21c\uc744 \uc774\uc6a9\ud574\uc57c \ubc30\uc5f4\ub85c \ubcc0\ud658 \uac00\ub2a5<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc22b\uc790\ub97c \uc4f0\ub294 \uba87\uac00\uc9c0 \ubc29\ubc95 3.14 31415.9e-4 123456789 12_345_678_910 0x3D3A \ubb38\uc790\uc5f4 (\uc544\ub798\ub294 \uac19\uc740 \ubb38\uc790\uc5f4\uc784) &#8220;Hello World&#8221; &#8216;Hello World&#8217; %q!Hello<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[135],"tags":[117],"class_list":["post-240","post","type-post","status-publish","format-standard","hentry","category-ruby-on-rails","tag-ruby-language"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8gT1J-3S","_links":{"self":[{"href":"https:\/\/www.jinukbaek.com\/blog\/wp-json\/wp\/v2\/posts\/240","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jinukbaek.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jinukbaek.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jinukbaek.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jinukbaek.com\/blog\/wp-json\/wp\/v2\/comments?post=240"}],"version-history":[{"count":5,"href":"https:\/\/www.jinukbaek.com\/blog\/wp-json\/wp\/v2\/posts\/240\/revisions"}],"predecessor-version":[{"id":255,"href":"https:\/\/www.jinukbaek.com\/blog\/wp-json\/wp\/v2\/posts\/240\/revisions\/255"}],"wp:attachment":[{"href":"https:\/\/www.jinukbaek.com\/blog\/wp-json\/wp\/v2\/media?parent=240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jinukbaek.com\/blog\/wp-json\/wp\/v2\/categories?post=240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jinukbaek.com\/blog\/wp-json\/wp\/v2\/tags?post=240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}