phnessu4

struct ComposeTransformer<T, R> {
    let transformer: (Observable<T>) -> Observable<R>
    init(transformer: @escaping (Observable<T>) -> Observable<R>) {
        self.transformer = transformer
    }
    
    func call(_ observable: Observable<T>) -> Observable<R> {
        return transformer(observable)
    }
}

phnessu4

在 Xcode 里下载文件真的是一种折磨, 特别是每次 Xcode 大版本更新都会遇到新的下载内容. 经过一翻周折, 本人找到一个方法可以轻松快速便捷地下载和安装对应的 Simulator 和 Doc 文件

1. 在 Mac 下, 打开 Xcode, 进入 Preference 中的 Downloads 面板
2. 点击任意的下载按钮
3. 打开系统帮助工具 Console
4. 稍等一会儿, 在 Xcode 里取消下载, 然后你会在 Console 里面看到对应的下载地址 (对应的 Cosnole Message 是 (DVTDownloadable: Download Cancelled. Downloadable: ...) 之类的)
5. 复制对应的链接地址, 到某雷或者任何比 Xcode 下载快的工具里
6. 等待下载完成, 进入 /Users/#{Username}/Library/Caches

phnessu4

#########################
# .gitignore file for Xcode5
#
# NB: if you are storing "built" products, this WILL NOT WORK,
#   and you should use a different .gitignore (or none at all)
# This file is for SOURCE projects, where there are many extra
#   files that we want to exclude
#
# For updates, see: http://stackoverflow.com/questions/49478/git-ignore-file-for-xcode-projects
#   and https://gist.github.com/adamgit/3786883

phnessu4

#pragma mark - NSURLConnection methods

/*
 - (BOOL)connectionShouldUseCredentialStorage:(NSURLConnection *)connection {
 return NO;
 }
 */

- (BOOL)connection:(NSURLConnection *)connection canAuthenticateAgainstProtectionSpace:(NSURLProtectionSpace *)protectionSpace {
  //NSLog(@"can auth");