This method retrieves the public identifier identifying the document’s DTD.
Method contributed by Henrik Martensson
Whether this specification is stubbed - i.e. we have information about the gem from a stub line, without having to evaluate the entire gemspec file.
Returns a Gem::StubSpecification for every installed gem
A short summary of this gem’s description.
Finds the path to the Ruby executable
Returns true if stat is successful, false if not. Returns nil if exited? is not true.
Returns the resulting hash value in a Bubblebabble encoded form.
Returns a profile data report such as:
GC 1 invokes.
Index Invoke Time(sec) Use Size(byte) Total Size(byte) Total Object GC time(ms)
1 0.012 159240 212940 10647 0.00000000000001530000
Returns true if the version is supported
Is code a successful status?
Is code a successful status?
Changes the process’s uid and gid to the ones of user
Changes the process’s uid and gid to the ones of user
Sets the (user) real, effective, and saved user IDs of the current process to rid, eid, and sid respectively. A value of -1 for any value means to leave that ID unchanged. Not available on all platforms.
Returns the list of public methods accessible to obj. If the all parameter is set to false, only those methods in the receiver will be listed.
Similar to method, searches public method only.
Invokes the method identified by symbol, passing it any arguments specified. Unlike send, public_send calls public methods only. When the method is identified by a string, the string is converted to a symbol.
1.public_send(:puts, "hello") # causes NoMethodError