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Copy a ClassVariableOperatorWriteNode node

Copy a ClassVariableOrWriteNode node

Copy a GlobalVariableAndWriteNode node

Copy a GlobalVariableOperatorWriteNode node

Copy a GlobalVariableOrWriteNode node

Copy a InstanceVariableAndWriteNode node

Copy a InstanceVariableOperatorWriteNode node

Copy a InstanceVariableOrWriteNode node

Copy a LocalVariableAndWriteNode node

Copy a LocalVariableOperatorWriteNode node

Copy a LocalVariableOrWriteNode node

Generates a random prime number of bit length bits. If safe is set to true, generates a safe prime. If add is specified, generates a prime that fulfills condition p % add = rem.

Parameters

• bits - integer

• safe - boolean

• add - BN

• rem - BN

Performs a Miller-Rabin probabilistic primality test for bn.

Deprecated in version 3.0. Use prime? instead.

checks and trial_div parameters no longer have any effect.

Creates a new Socket::AncillaryData object which contains file descriptors as data.

p Socket::AncillaryData.unix_rights(STDERR)
#=> #<Socket::AncillaryData: UNIX SOCKET RIGHTS 2>

returns the array of IO objects for SCM_RIGHTS control message in UNIX domain socket.

The class of the IO objects in the array is IO or Socket.

The array is attached to ancillarydata when it is instantiated. For example, BasicSocket#recvmsg attach the array when receives a SCM_RIGHTS control message and :scm_rights=>true option is given.

# recvmsg needs :scm_rights=>true for unix_rights
s1, s2 = UNIXSocket.pair
p s1                                         #=> #<UNIXSocket:fd 3>
s1.sendmsg "stdin and a socket", 0, nil, Socket::AncillaryData.unix_rights(STDIN, s1)
_, _, _, ctl = s2.recvmsg(:scm_rights=>true)
p ctl                                        #=> #<Socket::AncillaryData: UNIX SOCKET RIGHTS 6 7>
p ctl.unix_rights                            #=> [#<IO:fd 6>, #<Socket:fd 7>]
p File.identical?(STDIN, ctl.unix_rights[0]) #=> true
p File.identical?(s1, ctl.unix_rights[1])    #=> true

# If :scm_rights=>true is not given, unix_rights returns nil
s1, s2 = UNIXSocket.pair
s1.sendmsg "stdin and a socket", 0, nil, Socket::AncillaryData.unix_rights(STDIN, s1)
_, _, _, ctl = s2.recvmsg
p ctl #=> #<Socket::AncillaryData: UNIX SOCKET RIGHTS 6 7>
p ctl.unix_rights #=> nil

Write value to a registry value named name.

The value type is REG_SZ(write_s), REG_DWORD(write_i), or REG_BINARY(write_bin).

Returns string of return value type of method.

tobj = WIN32OLE_TYPE.new('Microsoft Excel 9.0 Object Library', 'Workbooks')
method = WIN32OLE_METHOD.new(tobj, 'Add')
puts method.return_type # => Workbook

Returns number of return value type of method.

tobj = WIN32OLE_TYPE.new('Microsoft Excel 9.0 Object Library', 'Workbooks')
method = WIN32OLE_METHOD.new(tobj, 'Add')
puts method.return_vtype # => 26

Returns variable kind string.

tobj = WIN32OLE_TYPE.new('Microsoft Excel 9.0 Object Library', 'XlSheetType')
variables = tobj.variables
variables.each do |variable|
  puts "#{variable.name} #{variable.variable_kind}"
end

The result of above script is following:
  xlChart CONSTANT
  xlDialogSheet CONSTANT
  xlExcel4IntlMacroSheet CONSTANT
  xlExcel4MacroSheet CONSTANT
  xlWorksheet CONSTANT

Returns original filename recorded in the gzip file header, or nil if original filename is not present.

Specify the original name (str) in the gzip header.

Returns true if stat is writable by the real user id of this process.

File.stat("testfile").writable_real?   #=> true

If stat is writable by others, returns an integer representing the file permission bits of stat. Returns nil otherwise. The meaning of the bits is platform dependent; on Unix systems, see stat(2).

m = File.stat("/tmp").world_writable?         #=> 511
sprintf("%o", m)                              #=> "777"