removed blank columns

app/models/experience.rb

@@ -49,11 +49,19 @@ class Experience
       "duration"
     ]
 
-    pd_title = fields_to_show.collect do |t|
-      {
+    fields_to_remove = []
+
+    pd_title = []
+
+    fields_to_show.each do |t|
+      fields_to_remove << t if (datas.where(t.to_sym.ne => nil, t.to_sym.ne => "").count == 0 rescue false)
+      pd_title <<  {
           "plugin_data_title" => I18n.t("personal_experience.#{t}")
-      }
+        } if !fields_to_remove.include?(t)
     end
+
+    fields_to_show = fields_to_show - fields_to_remove
+
     plugin_datas = datas.sort_for_frontend.collect.with_index do |p,index|
       
       pd_data = []