[英]Infinite scrolling with partial returns entire layout instead of appending partial Rails 4
[英]Ruby replacing entire file instead of appending to it
以下紅寶石代碼將替換文件的全部內容。 我怎樣才能附加到文件的末尾並保持其現有內容的完整性?
File.open("db/seeds.rb", "w") do |f|
f.write "Blog::Engine.load_seed"
end
寫入附加模式'a'
File.write('db/seeds.rb', "Blog::Engine.load_seed", nil , mode: 'a')
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