撤銷操作： https://railstutorial-china.org/book/chapter3.html#aside-undoing-things
HTTP 超文本傳輸協(xié)議 https://railstutorial-china.org/book/chapter3.html#aside-get-etc
測(cè)試 https://railstutorial-china.org/book/chapter3.html#aside-when-to-test
視圖中使用 ruby
# 嵌入式 Ruby 代碼# 設(shè)置參數(shù)<% 定義輔助方法 app/helpers/application_helper.rbmodule ApplicationHelper # 根據(jù)所在的頁(yè)面返回完整的標(biāo)題 def full_title(page_title = '') base_title = "Ruby on Rails Tutorial Sample App" if page_title.empty? base_title else page_title + " | " + base_title end endend新聞熱點(diǎn)
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