官术网_书友最值得收藏!

Conventions

In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "The properties that define the view geometry are frame, bounds, and center and they are configured using the geometry structures you just saw."

A block of code is set as follows:

        // Define a point
        let point = CGPoint(x: 20, y: 10)

        // Define a size
        let size = CGSize(width: 20, height: 10)

        // Define a rect using size and point
        let rect_A = CGRect(origin: point, size: size)

        // Define a rect using x, y, width and height data
        let rect_B = CGRect(x: 15, y: 10, width: 100, height: 30)

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

enum UIUserInterfaceSizeClass : Int {
    case Unspecified
    case Compact
    case Regular
}

New terms and important words are shown in bold. Words that you see on the screen, for example, in menus or dialog boxes, appear in the text like this: "Create a new asset by clicking on the + symbol and selecting New Image Asset."

Note

Warnings or important notes appear in a box like this.

Tip

Tips and tricks appear like this.

主站蜘蛛池模板: 崇左市| 都江堰市| 盘锦市| 昭平县| 罗江县| 兴文县| 阳新县| 济南市| 廉江市| 淮阳县| 洞头县| 玛曲县| 曲阳县| 阿巴嘎旗| 望奎县| 双牌县| 陆河县| 汤阴县| 来宾市| 古蔺县| 韶关市| 泌阳县| 卓资县| 闽侯县| 高陵县| 揭阳市| 鹤庆县| 偃师市| 图们市| 莫力| 梁平县| 浪卡子县| 北票市| 吉林省| 芒康县| 山阴县| 武强县| 密山市| 锦州市| 汉源县| 廉江市|