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WVDのディープな技術情報を解説 | セッションホストのセキュリティ対応
詳しくはこちら
@KatagiriSo
updated at 2012-12-23
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3項演算子の第2項は省略できる。
Objective-C
More than 5 years have passed since last update.
NSString *word = (str)?:@"";
でnilが入ってたら空白記号を入れ、nilでなかったらそのままという式になる。
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So Katagiri
@KatagiriSo
iOSフリーランスエンジニア。お仕事募集してます。 数理科学とプログラミングもくもく会 http://map.connpass.com/ 技術ブログ http://rodhos.hatenadiary.jp/ 最近の興味:機械学習、量子論
http://rodhos.info/
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