作者查詢 / zero00072
作者 zero00072 在 PTT [ Ruby ] 看板的留言(推文), 共42則
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3F推:https://github.com/ffi/ffi/wiki Ruby FFI 是好選擇。06/27 14:37
8F推:幫解釋「||=」,若前者為 nil,則指定;否則不指定。06/16 17:14
2F推:太棒了。09/22 22:08
6F推:歐萊禮長頸鹿那一本邊學邊做就會了。09/13 06:32
1F推:#{something} 會將 something 視為跳脫的函數。07/24 15:08
2F→:例如 a = 3 + 5; puts "#{a}" 會得到 8 這個結果。07/24 15:09
3F→:試試看在 # 字號前加個 \ 使得變成 \#。07/24 15:11
5F推:沒有經過樓上說的 to_i 處理前的「輸入」都算字串。07/17 17:38
3F推:在目前你的程式裡,|c| 會分別代入 "a"、"b"及"c"。05/20 14:06
6F推:猜你想用的是這樣:`a.out #{arg1} #{arg2} #{arg3}`04/29 02:21
7F→:Ruby 直接參數是:ARGV[0]、ARGV[1]、ARGV[2]……。04/29 02:22
8F→:所以變成 `a.out #{ARGV[0]} #{ARGV[1]}` 這樣。04/29 02:23
2F推:and 好像被列入不建議使用的名單,就像樓上說的用 &&。01/12 18:09
10F推:首頁好酷!11/26 21:30