Rails Transactions
Question: I have an example Action in a Controller. def some_action product =Product.new product.name ="namepro"if product.save client.update_attribute(:product_id,product.id)endend How to add...
View ArticleAuditing and model lifecycle management for instances and their associations?
from: http://stackoverflow.com/questions/1615977/auditing-and-model-lifecycle-management-for-instances-and-their-associations CRUD operations must be logged, including what the operation was, who the...
View ArticleRails practice: use after_commit
A relational database, like mysql, provides transactions to wrap several operations in one unit, make them all pass or all fail. All isolation levels except READ UNCOMMITTED don’t allow read data...
View ArticleDifferent Ways to Set Attributes in ActiveRec
Rails 4 allows the developer to change ActiveRecord attributes in various ways. Each one does it slightly differently with sometimes unique side-effects. It’s important you understand which method to...
View Article苹果的编程语言——Swift简介
Thanks Lucida for his work. http://zh.lucida.me/blog/an-introduction-to-swift/ 关于 这篇文章简要介绍了苹果于WWDC 2014发布的编程语言——Swift。 原文作者: Lucida Blog 新浪微博 豆瓣 转载前请保留出处链接,谢谢。 前言 在这里我认为有必要提一下Bret Victor的Inventing on...
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