[Swift] Optional型についてのまとめ - Qiita
この記事は一部内容が古くなったので、全面的に書き直した記事を別にあげました（14/10/17 追記）。 ↓ [Swift] Optional 型についてのまとめ Ver2 Optional型とは？ Optional型 : nilが入るのを許す 非Optional型 : nilが入るのを許さない Optional型の宣言方法 var a: Int? // Optional型 var b: Int // 非Optional型 var c: String? // Optional型 var d: String // 非Optional型
![[Swift] Optional型についてのまとめ - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/b5e1e04ee7c1d760edf909a900617a72f5a2efd9/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-9f5428127621718a910c8b63951390ad.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTkxNiZoPTMzNiZ0eHQ9JTVCU3dpZnQlNUQlMjBPcHRpb25hbCVFNSU5RSU4QiVFMyU4MSVBQiVFMyU4MSVBNCVFMyU4MSU4NCVFMyU4MSVBNiVFMyU4MSVBRSVFMyU4MSVCRSVFMyU4MSVBOCVFMyU4MiU4MSZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTU2JnR4dC1jbGlwPWVsbGlwc2lzJnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9NDA3YjY2NjAyYTg1NDE4MzZiOTAxZTYyMDM1NGQ5YzI%26mark-x%3D142%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTYxNiZ0eHQ9JTQwY290cnBlcGUmdHh0LWNvbG9yPSUyMzIxMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT0zNiZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZzPWIwODUxMzc3OWZiYzVkMDU4MDNmNTk5YTE1ZDUwMmRl%26blend-x%3D142%26blend-y%3D491%26blend-mode%3Dnormal%26s%3D664f811d1603743bcdd1abb10a4fc583)
403 Forbidden Error on Mac OS X Localhost
I set up Web Sharing in System Preferences on Mac OS X 10.6 and clicked the link it gave me there. Unfortuantely, Apache gave me this 403 error: Forbidden You don't have permission to access /~myusername/index.html on this server. Access log displays: 10.0.1.2 - - [30/Jun/2010:16:25:15 -0700] "GET /~myusername/ HTTP/1.1" 403 210 Error log displays: [Wed Jun 30 16:26:09 2010] [error] [client 10.0.1
Swift Blog - Apple Developer
In many cases, your code will not have to change significantly in response to this change. Code that in Swift 2 relied on value types implicitly converting to AnyObject will continue to work as-is in Swift 3 by passing as Any. However, there are places where you will have to change the declared types of variables and methods and get the best experience in Swift 3. Also, if your code is explicitly
1
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
