Zhentiw - 博客园

2016年5月22日

摘要： We cannot let photo always keep caching new data without clean the old data. If message is not display on the page anymore, we want to clean it. And a 阅读全文

posted @ 2016-05-22 04:27 Zhentiw 阅读(262) 评论(0) 推荐(0)

[PWA] 17. Cache the photo

摘要： To cache photo, You need to spreate cache db to save the photo. So in wittr example, we cache the text already, if there in the wittr there is photo, 阅读全文

posted @ 2016-05-22 03:50 Zhentiw 阅读(345) 评论(0) 推荐(0)

2016年5月21日

[PWA] 16. Clean IDB

摘要： When we save items to IndexDB, we need to think about clean the items or keep those in a short list. 阅读全文

posted @ 2016-05-21 22:30 Zhentiw 阅读(189) 评论(0) 推荐(0)

2016年5月20日

[AWS S3] Hosting a Static Website on Amazon S3

摘要： In this lesson, you will learn how to host a static website on Amazon S3. I will show you how to create the buckets, create the bucket policy to allow 阅读全文

posted @ 2016-05-20 15:11 Zhentiw 阅读(440) 评论(0) 推荐(0)

[PWA] 15. Using The IDB Cache And Display Entries

摘要： We want to use IDB to store the wittr messages. The logic is when the page start: In openDatabase(), we create Wittr db, set id as primary key and tim 阅读全文

posted @ 2016-05-20 00:44 Zhentiw 阅读(234) 评论(0) 推荐(0)

2016年5月18日

[PWA] 14. Loop cursor

摘要： import idb from 'idb'; var dbPromise = idb.open('test-db', 4, function (upgradeDb) { switch (upgradeDb.oldVersion) { case 0: // keyval store is already created at version 1 ... 阅读全文

posted @ 2016-05-18 04:34 Zhentiw 阅读(229) 评论(0) 推荐(0)

[PWA] 13. New db and object store

摘要： Create a db: The oldVersion switch between old db and new db. So here we create a new people db. ReadWrite: Group By:TO do gourp by we need to create 阅读全文

posted @ 2016-05-18 04:04 Zhentiw 阅读(228) 评论(0) 推荐(0)

[PWA] 12. Intro to IndexedDB

摘要： Use the library indexedDB-promised. Create a database and stroe: Notice put() function take value frist then key. Read the key in stroe: Write value t 阅读全文

posted @ 2016-05-18 03:41 Zhentiw 阅读(227) 评论(0) 推荐(0)

[PWA] 11. Serve skeleton cache for root

摘要： Intead of cache the root floder, we want to cache skeleton instead. Respond to requests for the root page with thepage skeleton from the cache: 阅读全文

posted @ 2016-05-18 03:15 Zhentiw 阅读(197) 评论(0) 推荐(0)

2016年5月17日

[CSS3] Using CSS Combinators to Identify Siblings and Descendants in CSS

摘要： CSS combinators allows us to reference the DOM relationship between two or more elements in CSS. 阅读全文

posted @ 2016-05-17 22:41 Zhentiw 阅读(220) 评论(0) 推荐(0)

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