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摘要: Apply filters like blur, brightness, saturation and hue to images. Combined with CSS blend modes, you can create powerful image effects using only cod 阅读全文
posted @ 2016-11-28 17:19 Zhentiw 阅读(141) 评论(0) 推荐(0)
摘要: In this lesson we are going to learn how to build a custom Node process for batch processing of Firebase data using the Firebase queue library. From U 阅读全文
posted @ 2016-11-28 03:50 Zhentiw 阅读(479) 评论(0) 推荐(0)
摘要: We cannot allow un-auth user to change the database data as they want, for Firebase, it is easy just need to overwirte the rules: Here we set "write" 阅读全文
posted @ 2016-11-27 20:41 Zhentiw 阅读(184) 评论(0) 推荐(0)
摘要: When you want to build your logic with small, composable functions you need a functional way to handle conditional logic. You could wrap ternary expre 阅读全文
posted @ 2016-11-25 20:43 Zhentiw 阅读(522) 评论(0) 推荐(0)
摘要: Article 阅读全文
posted @ 2016-11-25 00:51 Zhentiw 阅读(476) 评论(0) 推荐(0)
摘要: Skip links are an extremely helpful navigation pattern for keyboard and screen reader users, since they let you skip past sections of content. Learn h 阅读全文
posted @ 2016-11-22 16:16 Zhentiw 阅读(177) 评论(0) 推荐(0)
摘要: import {AuthProviders, FirebaseAuthState, FirebaseAuth, AuthMethods} from "angularfire2";import {Injectable} from "@angular/core";import {Subject, BehaviorSubject} from "rxjs";import {AuthInfo} from ... 阅读全文
posted @ 2016-11-22 03:18 Zhentiw 阅读(941) 评论(0) 推荐(0)
摘要: After successfully login, we want something help to check whether user has already login or not. And we will use Observable to do that. Create AuthInf 阅读全文
posted @ 2016-11-22 03:15 Zhentiw 阅读(350) 评论(0) 推荐(0)
摘要: import UIKit class AboutViewController : UIViewController @IBOutlet weak var scrollView: UIScrollView! override func viewDidLoad() { super.viewDidLoad() view.addSubview(scrollView) //... 阅读全文
posted @ 2016-11-20 18:14 Zhentiw 阅读(183) 评论(0) 推荐(0)
摘要: To programmaictlly change the content of app, we need to contect storyboard to a view controller. To do that, we need to create new file call it 'Prod 阅读全文
posted @ 2016-11-20 05:28 Zhentiw 阅读(570) 评论(0) 推荐(0)
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