Results for: "module_function"

Deletes the named directory. Raises a subclass of SystemCallError if the directory isn’t empty.

Deletes the named files, returning the number of names passed as arguments. Raises an exception on any error. Since the underlying implementation relies on the unlink(2) system call, the type of exception raised depends on its error type (see linux.die.net/man/2/unlink) and has the form of e.g. Errno::ENOENT.

See also Dir::rmdir.

Returns true if the named file is readable by the effective user and group id of this process. See eaccess(3).

Returns true if the named file is writable by the effective user and group id of this process. See eaccess(3).

Returns true if the named file is executable by the effective user and group id of this process. See eaccess(3).

Returns true if the named file exists and is a regular file.

file can be an IO object.

If the file argument is a symbolic link, it will resolve the symbolic link and use the file referenced by the link.

Returns true for dummy encodings. A dummy encoding is an encoding for which character handling is not properly implemented. It is used for stateful encodings.

Encoding::ISO_2022_JP.dummy?       #=> true
Encoding::UTF_8.dummy?             #=> false

Returns the return value of the iterator.

o = Object.new
def o.each
  yield 1
  yield 2
  yield 3
  100
end

e = o.to_enum

puts e.next                   #=> 1
puts e.next                   #=> 2
puts e.next                   #=> 3

begin
  e.next
rescue StopIteration => ex
  puts ex.result              #=> 100
end

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 BigDecimal.mode.

Method used to provide marshalling support.

inf = BigDecimal('Infinity')
  #=> Infinity
BigDecimal._load(inf._dump)
  #=> Infinity

See the Marshal module.

Returns true if the given year is a leap year of the proleptic Gregorian calendar.

Date.gregorian_leap?(1900)        #=> false
Date.gregorian_leap?(2000)        #=> true

Creates a date object denoting the present day.

Date.today   #=> #<Date: 2011-06-11 ...>

Returns true if the date is before the day of calendar reform.

Date.new(1582,10,15).julian?             #=> false
(Date.new(1582,10,15) - 1).julian?       #=> true

Returns true if the year is a leap year.

Date.new(2000).leap?      #=> true
Date.new(2001).leap?      #=> false

This method is equivalent to new_start(Date::JULIAN).

Returns the number of entries in the database.

Deletes an entry from the database.

Deletes all data from the database.

Returns the number of struct members.

Customer = Struct.new(:name, :address, :zip)
joe = Customer.new("Joe Smith", "123 Maple, Anytown NC", 12345)
joe.length   #=> 3

This is a deprecated alias for each_codepoint.

Returns an integer representing the numeric file descriptor for ios.

$stdin.fileno    #=> 0
$stdout.fileno   #=> 1

Returns the number of key-value pairs in this database.

Removes the key-value-pair with the specified key from this database and returns the corresponding value. Returns nil if the database is empty.

Removes all the key-value pairs within gdbm.