Method arguments Components of a method definition Components of a method call How call arguments are matched to method parameters External names Method arguments This is th...

当需要为一个 RESTful 资源添加动作时（你真的需要吗？），应使用 member 路由和 collection 路由。 # 差 get 'subscriptions/:id/unsubscribe' resources : subscriptions # 好 resources : subscriptions do...

Place Self Default class reference Auto Start Center End Stretch Responsive Customizing Variants Disabling Place Self Utilities for controlling how an individual item...

Virtual and abstract types Virtual and abstract types When a variable’s type combines different types under the same class hierarchy, its type becomes a virtual type . This appl...

Virtual and abstract types Virtual and abstract types When a variable’s type combines different types under the same class hierarchy, its type becomes a virtual type . This appl...

Common Customizations My God, it’s full of Snippets Including Source Files With Kramdown A Markdown Kramdown Renderer Including Source Files With Pandoc Including Files via LaT...

5.7 Piping Operations 5.7 Piping Operations R users are familiar with the pipe operator %>% which allows chaining operations together. That means that the output of an operati...

CASE WHEN Description Syntax Examples CASE WHEN Description CASE WHEN statement is used in that evaluates a list of conditions and returns one of multiple possible re...

CASE WHEN Description Syntax Examples CASE WHEN Description CASE WHEN statement is used in that evaluates a list of conditions and returns one of multiple possible re...

Concurrency Concurrency vs. Parallelism Fibers Event loop Channels Execution of a program A Fiber The Runtime Scheduler Communicating data Sample code Spawning a fiber Spa...