然而，我们完全不清楚你是如何得到一个String而不是一个Array of Symbols的，Rails指南中关于复合键的内...
VERSION Version bump to 0.50 May 20, 2011 datify.gemspec Regenerate gemspec for version 0.50.0 May 20, 2011 Repository files navigation README MIT license datify¶ ↑Datify is a rubygem to convert a string storing a date or a time in a proper Time ruby object. Imagine you have a ...
The allocated region can be accessed by ‘RSTRING_PTR(str)’.Notice: Do not change the value of the structure directly, unless you are responsible for the result. This ends up being the cause of interesting bugs.Convert C Data into VALUE¶ ↑To convert C data to Ruby values:...
* When an instance of `ActiveSupport::Duration` is converted to an `iso8601` duration string, if `weeks` are mixed with `date` parts, the `week` part will be converted to days. This keeps the parser and serializer on the same page. ```ruby duration = ActiveSupport::Duration.build(1000...
to convert with to_str method. *\post the object referred by \p namep is a Symbol or a * Stringif non-nil value is returned, or is a String * ifnil is returned. */ VALUE rb_check_symbol(volatile VALUE*namep) { VALUE sym; VALUE tmp; VALUE name ...
: * Signal.signame(signo) -> string * convert signal numberto signal name * * Signal.trap" { |signo| putsSignal.signame(signo) } * Processkill"INT", 0) * * <em>produces:</em> * * INT */ static VALUE sig_signame(VALUE recv, VALUE signo ...
Ruby 中还定义了 to_str、to_int、to_ary 和 to_hash,用于方法进行隐式的转换。不过在内建类里,这些转换方法并没有被普遍的实现。 在Ruby1.9 里,内建的 String、Array、Hash、Regexp 及 IO 类都定义了一个名为 try_convert 的类方法。如果这个方法的实参定义了以上一个合适的隐式转换方法,那么就会对其方...
“Bison-to-ANTLR converter” - had no idea that such a beast existed. Seems that there was a project to convert Ruby’s yacc parser to ANTLR, does this mean that it’s trivial to convert the Ruby parser over to ANTLR? The ultimate goal of many of these projects is to be able to ...
It will create a named scope :search_for that can be called with a query string. It will build an SQL query using the provided query string and a definition that specifies on what fields to search. Because the functionality is built on named_scope, the result of the search_for call can...
We've walked through the split method, which allows you to convert a string into a collection of characters. Thankfully, Ruby also has a method that does the opposite, which is to allow you to convert an array of characters into a single string, and that method is called join. Let's ...