finished?() Instance Public methods Returns true if any thread has terminated and is ready to be collected.

null? Instance Public methods Returns true if this is a null pointer.

documented?() Instance Public methods Does this class or module have a comment with content or is received_nodoc true?

marked_for_destruction?() Instance Public methods Returns whether or not this record will be destroyed as part of the parents save transaction. Only useful if the :autosave option on the parent is enabled for this associated model.

accept(visitor) Instance Public methods Calls accept_paragraph on visitor

mult(value, digits) Instance Public methods Multiply by the specified value. e.g. c = a.mult(b,n) c = a * b digits If specified and less than the number of significant digits of the result, the result is rounded to that number of digits, according to ::mode.

eql?(p1) Instance Public methods Tests for value equality; returns true if the values are equal. The == and === operators and the eql? method have the same implementation for BigDecimal. Values may be coerced to perform the comparison: ::new('1.0') == 1.0 -> true

get(x, y) Instance Public methods Returns the color of the pixel at coordinates (x,y) in the image as a list of three integers between 0 and 255, representing the red, green and blue components respectively.

tab_names(pat=None) Instance Public methods

cbrt(z) Class Public methods returns the principal value of the cube root of z cbrt!