ruby on rails projects examples

Rails is for Web projects and you have to think about the large amount of traffic, so let's take a look at how rails performs performance testing. 1. To perform performance testing, we first have to imitate a large number of data, we now know that in the test/fixtures/directory in the Yml file to add our test data, when the test run, the data will be loaded into

In Ruby rails, if you want to save a property (or read a property), and you want to do something else when you save the property (or read a property)You can use the method that overrides the property's setup or reader.For example, a models table has a field called name, and you want to manipulate the name.Method One,Class Model Method Two,Similar to method one, facilitates After_find and Before_save methods

I'm very happy to announce that Rails 4.0 now supports PostgreSQL array types. You can easily create a field of an array type in migration through: array => true. You can also add other options when you create fields of an array type (Length,default, and so on) Create_table:table_with_arrays do |t| T.integer:int_array,: Array => true # integer[] T.integer:int_array: Array => true: Length => 2 # Smallint[] T.string:string_array,: Array =>

Ruby on Rails (ROR) is equivalent to structs + spring + hibernate, but it is much more convenient, and there is almost no need to write configuration files, the development speed is also much faster (ROR is a 10 times faster than Java, and I don't think this number will be exaggerated ), ror's combination of Ajax technology makes developers feel very easy to develop (more convenient than DWR (Direct Web rem

This article mainly introduces several open-source projects developed by Ruby. For more information, see this article. it mainly introduces several open-source projects developed by Ruby. For more information, see Recently, many friends who have used Rails development