Ray's playground

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摘要： Touches have life cycles. Each touch can pass through any of five phases that represent theprogress of the touch within an interface. These phases are as follows:　　UITouchPhaseBegan—Starts when users touch the screen.　　UITouchPhaseMoved—Means a touch has moved on the screen.　　UITouchPhaseStationary— 阅读全文

摘要： Views store arrays of their children. Retrieve this array by calling [aView subviews].Onscreen, the child views are always drawn after the parent, in the order that they appearin the subviews array.These views draw in order from back to front, and the subviewsarray mirrors that drawing pattern.Views 阅读全文

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摘要： One of the great things about Cocoa Touch is that you don’t have to program entirely byhand or entirely using Interface Builder.You can leverage IB’s visual layout and combine itwith Xcode-based programming for a better, hybrid solution. 阅读全文

摘要： StringConvCode highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--#ifndefSTRINGCONV_H#defineSTRINGCONV_H#includestring#includesstreamtemplatetypenameTTfromString(conststd::string&s){std::istringstreamis(s);Tt;ist;returnt;}templatetypenameTstd::stri 阅读全文

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摘要： capitalizeCode highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--1'onetWothrEe'.capitalize()2'Onetwothree'3'hellosunshine'.title()4'HelloSunshine'5"abc".upper()6'ABC'7"RAY".lower()8'ray'9importstring10notrans=string.maketrans('','')11de 阅读全文

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