Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Explore Teams Collectives™ on Stack Overflow Find centralized, trusted content and collaborate around the technologies you use most. Learn more about Collectives

I've seen some really beautiful examples of Ruby and I'm trying to shift my thinking to be able to produce them instead of just admire them. Here's the best I could come up with for picking a random line out of a file: def pick_random_line random_line = nil File.open("data.txt") do |file| file_lines = file.readlines() random_line = file_lines[Random.rand(0...file_lines.size())] end random_line end
リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
処理を実行中です
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く