1, add a new project from add new
2, add podfile on the root folder
3, pod install
Last active
July 3, 2017 15:41
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iOS
1, ?? in swift is as same as || in ruby.
2, "" is equivalent to String(), [Int](), var namesOfIntegers = [Int: String]()
3, Structures and Enumerations Are Value Types, and Classes Are Reference Types
4, count(string)
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