因为本职工作是金融科技，2021年写的这个关于Swift的基础科普文突然多了很多点赞，感谢大家的支持和认可，如果觉得写的还行，还请不要吝惜您的点赞、收藏和关注！ SWIFT是什么？ 环 …

Jun 4, 2014 · How to concatenate string in Swift? In Objective-C we do like NSString *string = @"Swift"; NSString *resultStr = [string stringByAppendingString:@" is a new Programming …

Jun 3, 2019 · Swift 5.1 does not appear to have some as a keyword, and I don't see what else the word some could be doing there, since it goes where the type usually goes. Is there a new, …

What is the purpose of writing comments in Swift as: // MARK: This is a comment When you can also do: // This is a comment What does the // MARK achieve?

I want to replace my CI bash scripts with swift. I can't figure out how to invoke normal terminal command such as ls or xcodebuild #!/usr/bin/env xcrun swift import Foundation // Works …

Jun 3, 2014 · This is on topic but a poorly phrased question. There are at least 2 questions (i) diff between let and var; (ii) type safe vs type infer. In addition, when the poster mentioned …

Oct 19, 2014 · Is there a way to to do and/or in an if statement in swift. eg/ if a > 0 and i == j or f < 3: //do something can we do that in swift? Thanks in advance

The swift string class does not provide the ability to get a character at a specific index because of its native support for UTF characters. The variable length of a UTF character in memory …

Aug 19, 2016 · Is there any possibility to write swift code and preview in Visual Studio Code (windows coding app)? I see in the guide for swift coding that requires ios system but i have …

Jun 3, 2014 · Xcode’s debugger includes an interactive version of the Swift language, known as the REPL (Read-Eval-Print-Loop). Use Swift syntax to evaluate and interact with your running …