deploy ruby on rails app

In the previous section, we demonstrated how to build a list of items, and this time we built a simple shopping cart based on the previous content. 1. First we want to create a table that holds customer shopping information: Database scripts: drop table if exists line_items; CREATE TABLE Line_items ( ID int not NULL auto_increment, product_id int not null, quantity int NOT null DEFAU Lt 0, unit_price decimal (10,2) NOT NULL, constraint fk_items_product foreign key (product_id) references Pro

In the practice of agile development, the test drive is indispensable. This article looks at a test-driven development example in rails. Before we wrote and conducted some unit tests and functional tests, our customers suddenly asked to add a feature: Each user of the system could query the product. We first sketched some sketches to sort out our ideas and designs, and then we started writing code. We already have a general idea of what to do, but i

, *args, block) Add a declaration. parameter is specified as 0 or more parameters. instruct! (Directive_tag=:xml, attrs={}) Add a processing instruction. The attribute is specified with a hash table. New (options={}) Create an XML tag builder object with the next option:Target=>targetobject:indent=>Indentation:margin=>initial_indentationDeclares the entry of a hash table. target! () Returns the target of the builder object. Table 1:bu

If you want to write ruby code on your own and deploy it at any time, you can view it everywhere. The heroku domain name is unfriendly and slow in China, so I think of capistrano, so I started learning... Capistrano Https://www.evernote.com/shard/s6/sh/72a2b7c8-d531-4efc-9e16-ac82af2a92b7/e54fca8a9e7014ad87c79e7a7a5538c4 Capistrano new version installation Http://capistranorb.com/documentation/getting-