Tags » Data Model

promise

  • why promise?
    • 异步编程为js带来强大灵活性的同时,也带来了嵌套回调的问题。详细来说主要有两点,第一嵌套太深代码可读性太差,第二并行逻辑必须串行执行。
    • 新的ES6中引入了Promise,目的是让回调更为优雅。层层嵌套的回调会让javascript失去美感和可读性,同时javascript也推荐采用链式的方式去书写函数调用。
  • PromiseA+规范
    • A promise represents the eventual result of an asynchronous operation.
      一个promise代表了一个异步操作的最终结果
    • The primary way of interacting with a promise is through its then method, which registers callbacks to receive either a promise’s eventual value or the reason why the promise cannot be fulfilled.跟promise交互的主要方式是通过他的then方法来注册回调函数去接收promise的最终结果值或者是promise不能完成的原因。
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Nodejs

Nightcap - Oct 19th

Product road maps and data modeling are discussed tonight in The Nightcap – Radar

Nightcap

How we will Update Existing Entity Data Model in MVC5

Why you need to update Data Entity Model??

Suppose you added few new column in your tables. And if you want to show them in your MVC Application Class then you need to Update Entity data Model. 56 more words

Data Model

Maintaining disabled FK's, wisdom or farce?

A while back, I wrote a post about having FKs (foreign keys) in your data warehouse.

Well, a similar question came up recently on an Oracle forum with the above title. 382 more words

Data Modeling

Company Enterprise Data Model (EDM) GAP Analysis

Company Enterprise Data Model (EDM) GAP Analysis

Introduction – Strategic Goals/Objectives

  • Gap Analysis – Compare Current Capabilities to Business Requirements
  • Validate Architecture/Infrastructure via Use Cases to Identify Gaps…
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Portfolio/Program/Project Management

Provenance data: recommendations for cultural heritage institutions

My European Union Marie Curie Fellowship project focused on the provenance histories of medieval and early modern manuscripts: who created them, who owned them, who bought and sold them, where and when these events took place, and where the manuscripts are now. 1,251 more words

Phillipps Project