大约有 800 项符合查询结果(耗时:0.0253秒) [XML]

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UITableView - scroll to the top

...Inset from the top. For example: tableView.contentInset = UIEdgeInsetsMake(5.0f, 0.0f, 250.0f, 0.0f);. If that is the case, in your code the tableView scrolls to (0.0f, 5.0f). – tolgamorf May 8 '13 at 20:36 ...
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Python add item to the tuple

...being added with parentheses and a comma. t = ('a', 4, 'string') t = t + (5.0,) print(t) out: ('a', 4, 'string', 5.0) share | improve this answer | follow |...
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How to embed small icon in UILabel

...amed:"iPhoneIcon") // Set bound to reposition let imageOffsetY: CGFloat = -5.0 imageAttachment.bounds = CGRect(x: 0, y: imageOffsetY, width: imageAttachment.image!.size.width, height: imageAttachment.image!.size.height) // Create string with attachment let attachmentString = NSAttributedString(attac...
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How to convert QString to std::string?

... As of Qt 5.0, QString::toStdString() now uses QString::toUtf8() to perform the conversion, so the Unicode properties of the string will not be lost (qt-project.org/doc/qt-5.0/qtcore/qstring.html#toStdString). – E...
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Get Android API level of phone currently running my application [duplicate]

... 4.4 KitKat Watch 21 LOLLIPOP Android 5.0 Lollipop 22 LOLLIPOP_MR1 Android 5.1 Lollipop 23 M Android 6.0 Marshmallow 24 N Android 7.0 Nougat ...
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Run a single migration file

... rails 5 you can also use rails instead of rake Rails 3 - 4 # < rails-5.0 rake db:migrate:up VERSION=20160920130051 Rails 5 # >= rails-5.0 rake db:migrate:up VERSION=20160920130051 # or rails db:migrate:up VERSION=20160920130051 ...
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Adding a column to an existing table in a Rails migration

... a migration like this class AddEmailToUsers < ActiveRecord::Migration[5.0] def change end end In that case you have to manually an add_column to change: class AddEmailToUsers < ActiveRecord::Migration[5.0] def change add_column :users, :email, :string end end And then run ra...
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Overload with different return type in Java?

... Before Java 5.0, when you override a method, both parameters and return type must match exactly. In Java 5.0, it introduces a new facility called covariant return type. You can override a method with the same signature but returns a subc...
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What's the simplest way to print a Java array?

... Mary], [Alice, Bob]] double Array: double[] doubleArray = { 7.0, 9.0, 5.0, 1.0, 3.0 }; System.out.println(Arrays.toString(doubleArray)); Output: [7.0, 9.0, 5.0, 1.0, 3.0 ] int Array: int[] intArray = { 7, 9, 5, 1, 3 }; System.out.println(Arrays.toString(intArray)); Output: ...
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What is the --save option for npm install?

... Update npm 5: As of npm 5.0.0, installed modules are added as a dependency by default, so the --save option is no longer needed. The other save options still exist and are listed in the documentation for npm install. Original answer: Before versio...