ruby clone array

Tutorial on system management by writing scripts in Ruby, and ruby System Management Introduction Ruby is an extremely rich, free, simple, scalable, portable, and object-oriented scripting language. Recently, it is widely used in the Web field. To a

Brief introduction Ruby is an extremely rich, free, simple, extensible, portable, object-oriented scripting language. Recently, it has been widely popular in the Web field. This is partly due to the very powerful WEB application development

Array 1. To create an array: As with many other programming languages, it is easy to create an array, but note that Ruby is a weak type of scripting language in which the types of elements in an array can be different and the length of the array

Chapter 2 Structure and running of Ruby programs The ruby annotation starts with # And ends until the end of the line. Ruby does not have/*... */C style annotations. If # appears in the string or regular expression literal, it is a part of a

Iterators are methods that are supported by collections. An object that stores a set of data members is called a collection. In Ruby, arrays and hashes can be called collections. The iterator returns all the elements of the collection, one after

A summary of the basic operation methods of the Hash structure in Ruby, rubyhash About hashFirst, let's take a look at the basic ideas of Hash:If the number of objects to be stored is num, we will use len memory units to store them (len> = num). The

Summary of basic operation methods for Hash types in Ruby, rubyhash 1. Create a hash:Just like creating an array, we can create a Hash instance using the Hash class: H1 = Hash. new # default value: nilh2 = Hash. new ("This is my first hash instance")

About hashingLet's take a look at the basic idea of hashing:To set the number of objects to be stored in NUM, then we use Len Memory units to store them (len>=num); With the keyword of each object ki as the independent variable, a function h (KI) is

Create a new class and use the Dom. Factory method. Obviously, it is a factory method that produces various classes in batch. VaR myfirstclass = Dom. factory ({message: "Hello World", sayhello: function () {alert (this. message) ;}}); var OBJ =

1. Create a hash: just like creating an array, we can create a hash instance from the hash class: H1 = hash.new #默认值为nil h2 = Hash.new ("This is the My-my-a-hash instance") #默认值为 "This is me-a-my-a-hash instance": The above