‘each_option’ is an alias of ‘each’.
Returns true if the ipaddr is an IPv4-mapped IPv6 address.
Returns true if the ipaddr is an IPv4-compatible IPv6 address.
Returns a new ipaddr built by converting the native IPv4 address into an IPv4-mapped IPv6 address.
Returns a new ipaddr built by converting the native IPv4 address into an IPv4-compatible IPv6 address.
Hadamard product
Matrix[[1,2], [3,4]].hadamard_product(Matrix[[1,2], [3,2]]) => 1 4 9 8
Load the given PStore
file. If read_only
is true, the unmarshalled Hash
will be returned. If read_only
is false, a 3-tuple will be returned: the unmarshalled Hash
, a checksum of the data, and the size of the data.
Ensures that names
only includes names for the :rdoc, :clobber_rdoc and :rerdoc. If other names are given an ArgumentError
is raised.
Iterates over all IP addresses for name
.
Iterates over all hostnames for address
.
Iterates over all IP addresses for name
.
Iterates over all hostnames for address
.
Sets the system path (the Shell
instance’s PATH environment variable).
path
should be an array of directory name strings.
Convenience method for Shell::CommandProcessor.alias_command
. Defines an instance method which will execute a command under an alternative name.
Shell.def_system_command('date') Shell.alias_command('date_in_utc', 'date', '-u') Shell.new.date_in_utc # => Sat Jan 25 16:59:57 UTC 2014
Convenience method for Shell::CommandProcessor.unalias_command
Returns the execution stack for the target thread—an array containing backtrace location objects.
See Thread::Backtrace::Location
for more information.
This method behaves similarly to Kernel#caller_locations
except it applies to a specific thread.
Returns the Ruby source filename and line number containing this proc or nil
if this proc was not defined in Ruby (i.e. native).
Returns the Ruby source filename and line number containing this method or nil if this method was not defined in Ruby (i.e. native).
Returns the Ruby source filename and line number containing this method or nil if this method was not defined in Ruby (i.e. native).