Returns the arc sine of z
CMath.asin(1 + 1i) #=> (0.6662394324925153+1.0612750619050355i)
returns the inverse hyperbolic sine of z
CMath.asinh(1 + 1i) #=> (1.0612750619050357+0.6662394324925153i)
Returns the sine of z, where z is given in radians
CMath.sin(1 + 1i) #=> (1.2984575814159773+0.6349639147847361i)
Returns the hyperbolic sine of z, where z is given in radians
CMath.sinh(1 + 1i) #=> (0.6349639147847361+1.2984575814159773i)
Returns the arc sine of z
CMath.asin(1 + 1i) #=> (0.6662394324925153+1.0612750619050355i)
returns the inverse hyperbolic sine of z
CMath.asinh(1 + 1i) #=> (1.0612750619050357+0.6662394324925153i)
Get the URI defining the local dRuby space.
This is the URI of the current server. See current_server.
Get the URI defining the local dRuby space.
This is the URI of the current server. See current_server.
Calls the associated block with the name of every file and directory listed as arguments, then recursively on their subdirectories, and so on.
Returns an enumerator if no block is given.
See the Find module documentation for an example.
Calls the associated block with the name of every file and directory listed as arguments, then recursively on their subdirectories, and so on.
Returns an enumerator if no block is given.
See the Find module documentation for an example.
Computes the sine of x (expressed in radians). Returns a Float in the range -1.0..1.0.
Domain: (-INFINITY, INFINITY)
Codomain: [-1, 1]
Math.sin(Math::PI/2) #=> 1.0
Computes the arc sine of x. Returns -PI/2..PI/2.
Domain: [-1, -1]
Codomain: [-PI/2, PI/2]
Math.asin(1) == Math::PI/2 #=> true
Computes the hyperbolic sine of x (expressed in radians).
Domain: (-INFINITY, INFINITY)
Codomain: (-INFINITY, INFINITY)
Math.sinh(0) #=> 0.0
Computes the inverse hyperbolic sine of x.
Domain: (-INFINITY, INFINITY)
Codomain: (-INFINITY, INFINITY)
Math.asinh(1) #=> 0.881373587019543
Set the changed state of this object. Notifications will be sent only if the changed state is true.
state
Boolean indicating the changed state of this Observable.
Returns true if this object’s state has been changed since the last notify_observers call.
URI::join(str[, str, ...])
str
String(s) to work with, will be converted to RFC3986 URIs before merging.
Joins URIs.
require 'uri' p URI.join("http://example.com/","main.rbx") # => #<URI::HTTP:0x2022ac02 URL:http://example.com/main.rbx> p URI.join('http://example.com', 'foo') # => #<URI::HTTP:0x01ab80a0 URL:http://example.com/foo> p URI.join('http://example.com', '/foo', '/bar') # => #<URI::HTTP:0x01aaf0b0 URL:http://example.com/bar> p URI.join('http://example.com', '/foo', 'bar') # => #<URI::HTTP:0x801a92af0 URL:http://example.com/bar> p URI.join('http://example.com', '/foo/', 'bar') # => #<URI::HTTP:0x80135a3a0 URL:http://example.com/foo/bar>
URI::extract(str[, schemes][,&blk])
str
String to extract URIs from.
schemes
Limit URI matching to a specific schemes.
Extracts URIs from a string. If block given, iterates through all matched URIs. Returns nil if block given or array with matches.
require "uri" URI.extract("text here http://foo.example.org/bla and here mailto:test@example.com and here also.") # => ["http://foo.example.com/bla", "mailto:test@example.com"]