{"id":1429,"date":"2022-02-03T09:34:25","date_gmt":"2022-02-03T00:34:25","guid":{"rendered":"https:\/\/suzutukiblog.com\/?p=1429"},"modified":"2022-10-08T00:35:26","modified_gmt":"2022-10-07T15:35:26","slug":"nomethoderror","status":"publish","type":"post","link":"https:\/\/suzutukiblog.com\/index.php\/2022\/02\/03\/nomethoderror\/","title":{"rendered":"NoMethodError in ***Controller#show(\u30a8\u30e9\u30fc\u5bfe\u51e6\u5099\u5fd8\u9332)"},"content":{"rendered":"
\n

NoMethodError in ***Controller#show<\/h3>\n<\/header>\n
\n

undefined method `***’ for nil:NilClass<\/h3>\n
Extracted source (around line\u00a0#30<\/strong>):<\/div>\n
\n\n\n\n
\n
28\r\n29\r\n30\r\n31\r\n32\r\n33\r\n<\/pre>\n<\/td>\n
\n
def show<\/div>\n
\u00a0 \u00a0@macs = @user.macs.page(params[:page]).per(8)<\/div>\n
end<\/div>\n
<\/div>\n
def update<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u30cf\u30de\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u3001\u540c\u3058\u3053\u3068\u3092\u7e70\u308a\u8fd4\u3055\u306a\u3044\u305f\u3081\u306b\u3002<\/p>\n

\u7d4c\u7def<\/h3>\n
<span class=\"btn-sticky\">\u3059\u3079\u3066\u306e\u66f4\u65b0\u3001\u4f5c\u6210\u65e5\u6642\u3092\u8868\u793a,\u975e\u8868\u793a<\/span>\r\n<% if @user.macs.any? %>\r\n  <% @user.macs.each do |mac| %>\r\n    <section class=\"panel\">\r\n      <div class=\"panel-left\">\r\n          <h2>\u76ee\u6a19:<%= mac.measurable %><\/h2>\r\n          <h2>\u30b4\u30fc\u30eb\u307e\u3067\u306e\u30d7\u30ed\u30bb\u30b9<br><%= mac.actionable %><\/h2>\r\n          <h2>\u76ee\u6a19\u9054\u6210\u304c\u4fa1\u5024\u89b3\u306b\u57fa\u3065\u3044\u3066\u3044\u308b\u304b?<br><%= mac.competent %><\/h2>\r\n          <li><h3>\u66f4\u65b0\u65e5\u6642:<%= mac.updated_at.to_s(:datetime_jp) %><\/h3>\r\n            <h3>\u4f5c\u6210\u65e5\u6642:<%= mac.created_at.to_s(:datetime_jp) %><\/h3><\/li>\r\n        <\/ul>\r\n      <\/div>\r\n      <div class=\"panel-right\">\r\n        <%= link_to(content_tag(:i, '', class: \"fas fa-trash-alt fa-3x faa-horizontal animated-hover fa-pull-right\", style: \"color: rgb(80,80,80);\"), mac_path(mac.id), method: :delete, data: {confirm: \"\u672c\u5f53\u306b\u524a\u9664\u3057\u307e\u3059\u304b\uff1f\"}) %>\r\n        <%= link_to(content_tag(:i, '', class: \"fas fa-edit fa-3x faa-vertical animated-hover fa-pull-right\", style: \"color: rgb(80,80,80);\"), edit_mac_path(mac.id)) %>\r\n    <\/section>\r\n  <% end %>\r\n<% end %>\r\n<%= render 'shared\/script' %><\/pre>\n
user_id\u306b\u7d10\u4ed8\u3044\u305fmac\u30e2\u30c7\u30eb\u306e\u3082\u306e(:measurable, :actionable, :competent)\u3092\u7e70\u308a\u8fd4\u3057\u3067\u8868\u793a\u3055\u305b\u305f\u304b\u3063\u305f\u3002<\/p>\n
\u539f\u56e0<\/h3>\n
***_controller.rb<\/h2>\n
def show\r\n  @macs = @user.macs.page(params[:page]).per(8)\r\nend<\/pre>\n
@user\u3092macs_controller.rb\u306b\u5b9a\u7fa9\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u305f\u3081nil\u306b\u306a\u3063\u305f\u3002<\/p>\n
\u6a5f\u80fd\u304c\u307b\u307c\u540c\u3058\u3060\u3063\u305f\u306e\u3067\u4ed6\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u304b\u3089\u30b3\u30d4\u30da\u3057\u305f\u305b\u3044\u3067<\/p>\n
\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3067private \u306b\u3042\u3063\u305f@user = User.find(params[:id])<\/p>\n
\u3092\u898b\u843d\u3068\u3057\u3066\u3044\u305f\u305f\u3081\u3002<\/p>\n
\u89e3\u6c7a\u6cd5<\/h3>\n
***_controller.rb<\/p>\n
def show\r\n  @user = User.find(params[:id])\r\n  @macs = @user.macs.page(params[:page]).per(8)\r\nend<\/pre>\n
@user = User.find(params[:id])<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
NoMethodError in ***Controller#show undefined method `***’ for nil:NilClass Extracted source (around lin […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[27,26],"tags":[],"class_list":["post-1429","post","type-post","status-publish","format-standard","hentry","category-programming-note","category-trouble-shooting"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t