'postgres'# this is not the name of the tenant's db# but the name of the database to connect to, before creating the tenant's db# mandatory in postgresql}}# or using a lambda:config.tenant_names=lambdadoTenant.all.each_with_object({})do|tenant,hash|hash[tenant.name]=tenant.db_...
i).each_withobject([]) { |n, memo| memo << { title: 'News title', content: "No. #{n} newscontent" } } request.reply.newsnews) do |article, n, index| # article is return object article.item title "#{index} #{n[:title]}", description: n[:content], pic_url: '...
@bucket.object_url(object.key) %></td><td><%= object.type %></td><td><%= number_to_human_size(object.size) %></td><td><%= object.last_modified.localtime.to_s %></td><% else %><td><%= link_to remove_prefix(object, @prefix), with_prefix(object) %></td><td>Director...
A common pitfall with Rails helpers is that they can turn into a big pile of non-OO functions, all sharing a namespace and stepping on each other. But much worse is that there’s no great way to use any kind of polymorphism with Rails helpers — providing different implementations for di...
with_prefix(upper_dir(@prefix)) %></td> <td>Directory</td> <td>N/A</td> <td>N/A</td> </tr> <% @objects.each do |object| %> <tr> <% if object.is_a?(Aliyun::OSS::Object) %> <td><%= link_to remove_prefix(object.key, @prefix), @bucket.object_url(object.key) %...
A Rails generator conveniently builds a helper directory and a new helper class to go with each new resource we create. It can be all too tempting to stuff any functionality that doesn’t fit into the model, view, or controller into a helper class. ...
IGNORE.each do |re| if re =~ base Find.prune end end puts path end end end listdir("ARGV[0]") 我直接输入目录名字,老是说没有这个目录,文件。? Enumerable#reduce reduce(initial) { |memo, obj| block } → obj reduce { |memo, obj| block } → obj ...
Ruby is an interpreted, dynamically-typed, object-oriented programming language. It has a simple, natural syntax that enables developers to create applications quickly and easily. It also includes the easy-to-use RubyGems packaging utility for customizing a Ruby installation with additional plug-ins....
negative signs for each component. Compatibility with other iso8601 parsers which support leading negatives as well as negatives per component is still retained. Before: (-1.year - 1.day).iso8601 # => "-P1Y1D" After: (-1.year - 1.day).iso8601 ...
puts 'Countries in the same region with [' + cty.name + ']' rgn.countries.each { |country| puts ' - ' + country.name } puts '-'*80 使用迁移和结构构建 Ruby on Rails 应用程序 在本教程的其余部分,您将使用以下术语: 要使用迁移和结构构建一个 Rails 应用程序,执行以下步骤。