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Array usage in Ruby, ruby array usage

Array usage in Ruby, ruby array usage Ruby arrays are ordered. What about any object ?? The set of integer indexes. The elements in each array are associated and an index is mentioned. Array

Object array sorting in Ruby and Ruby object array sorting

Object array sorting in Ruby and Ruby object array sorting Sorting of Ruby object arrays The author has just come into contact with Ruby, because he previously thought that the script language syntax is not standardized and he is

Annotations, variable declarations, Array Operations, and Ruby variables in the ruby tutorial

Annotations, variable declarations, Array Operations, and Ruby variables in the ruby tutorial I read an article "PHP basic tutorial" on "blog Park" two days ago and introduced PHP. D guago also wrote a "Ruby getting started tutorial" when learning Ruby ". It should be noted

Ruby string and array maximization problems, ruby Problems

Ruby string and array maximization problems, ruby Problems Max Method b=[1,3,55,777,2,4,6,8,0] For numeric data, max obtains the maximum value of the array, and min obtains the minimum value of the array. b.max => 777b.min => 0 It has no practical significance for comparing

Ruby Array (array) Learning notes _ruby topics

1, the definition of the array The array in Ruby is a dynamic array, the stored data is not qualified type, the length of the array is dynamically extended according to the storage needs, so, in the data definition, only the simplest way to

Ruby-array Array

after getting it.[' a[' A.pop (2) ', ' Remove 2 elements at the end of the same a.slice! ( -1,2) '],[' A.shift (2) ', ' remove the previous two elements with a.slice! (0,2) '],[' A.unshift ', ' before inserting two elements with A.insert (0, +) '],[' A=[0]+a ', ' [(+ ]Methods.each {|method| puts "#{method[0]} = #{eval (Method[0])} # #{iconv.conv (" GB18030 "," UTF-8 ", Method[1])}"} In order to achieve the output of this format "a = 123456 # array"

Ruby Array in instance application

the array. Instance Code A = ["A", "B", "C", "D"] A.fill ("x") #=> ["X", "X", "X", "X"] #Replace all elements in the array with "X" A.fill ("Z", 2, 2) # => ["X", "X", "Z", "Z"] #From the array first [2] bit element begins, replaces 2 times "Z" A.fill ("Y", 0..1) # => ["Y", "y", "z", "Z"] Replace the element with "y" #The

Programming ruby-array, hash table and control structure

Array and hash table Ruby arrays and hash tables are index sets. Both objects are saved and can be read by keys. The key of the array is a number, but the hash table supports the object as the key. They all grow with the addition of new elements. In terms of access elements, the

Ruby Array Use tutorial _ruby topics

You create an array by listing the elements in square brackets and separating them from each other by commas. The array of Ruby can accommodate different object types ruby> ary = [1, 2, "3"] [1, 2, "3"] Just like the string mentioned earlier. Arrays can also be multiplied or added

Learn the new features of NetBeans 6 by example part 5th: Ruby on Rails development environment

The improved Ruby development environment in NetBeans 6.1 The NetBeans 6.1 Chinese version, released early this month, offers a number of new and extended features such as high-performance, JavaScript Editor extensions, Spring framework unification, and Easy-to-use MySQL support. For more information about new and extended features of NetBeans 6.1, see the follo

Ruby tutorial annotations, variable declarations, and array operations _ruby topics

# # 5, array operationPuts "\narray operator\n"AAA = ["AA", 4,5, "BB"]BBB = [4,1,3,2,5]Print AAA + BBB, "\ n" # output: ["AA", 4, 5, "BB", 4, 1, 3, 2, 5]Print aaa*2, "\ n" # output: ["AA", 4, 5, "BB", "AA", 4, 5, "BB"]Print bbb-aaa, "\ n" # output: [1, 3, 2]Print AAA | BBB, "\ n" # output: ["AA", 4, 5, "BB", 1, 3, 2]Print AAA BBB, "\ n" # output: [4, 5]Print Bbb.sort, "\ n" # output: [1, 2, 3, 4, 5] SortPrint Aaa.reverse, "\ n" # output: ["BB", 5,

Js Array Implementation of a ruby-like iterator _ javascript skills

Today, we suddenly found that js Array Processing is really troublesome, and some code is a lot of it, which is really inferior to ruby iterators. It can be divided into the following sections:· Basic implementation· Reference the original object in the iteration, or directly change the value of the array instead of returning a

I want to expand my knowledge and learn a new language. Should I learn Python, Ruby, or C ++? -Python tutorial

Which of the following languages is better for new students? With PHP and C # Experience, which of the following languages is better? Experience in PHP and C #: so many Python ?! I recommend Ruby ~ In addition, Ruby has strong meta-programming capabilities and may be more interesting to write ~ Will your colleagues use python or

Want to expand your knowledge, learn a new language, learn Python, Ruby, or C + +?

New year to new language which is more suitable? Experience with PHP and C # Reply content:So many python?!. I recommend Ruby Bar, Blossom, hehe ~ and Ruby's meta-programming ability is stronger, it may be more interesting to write-your colleague's work will use Python or ruby? If so, then what they learn with what, la

Install a new version of Ruby (Rbenv documentation on GitHub--)

Https://github.com/sstephenson/rbenv Check out rbenv into ~/.rbenv .$ git clone https://github.com/sstephenson/rbenv.git ~/.rbenv Add to your for access to the ~/.rbenv/bin $PATH rbenv command-line utility.$ Echo ' Export path= ' $HOME/.rbenv/bin: $PATH "' >> ~/.bash_profileUbuntu Desktop Note: Modify your ~/.bashrc instead of ~/.bash_profile .Zsh Note: Modify your ~/.zshrc file instead of ~/.bash_profile . Add to rbenv init your shell to enable shims and autocompletion.$ Echo ' eval ' $

Js array implements a ruby-like iterator

It can be divided into the following sections:· Basic implementation· Reference the original object in the iteration, or directly change the value of the array instead of returning a new array· Input infinite parameters to Iteration· Basic implementationToday, we suddenly found that js Array Processing is really troubl

Ruby Array Usage Tutorial

You create an array by listing the elements in square brackets and separating them from each other by commas. The array of Ruby can accommodate different object types ruby> ary = [1, 2, "3"] [1, 2, "3"] Just like the string mentioned earlier. Arrays can also be multiplied or added

Ruby Concise tutorial Array and hash introduction _ruby topics

Today we're learning about arrays and hashes, and arrays are often used in many programming languages. Array: An array is a container for storing data, and in Ruby, the data stored in an array can be any type of data; This differs from Java, in Java, where arrays are structures that store the same type of data. 1. H

Introduction to array and Hash in Ruby concise tutorial

Today we are studying arrays and Hash. arrays are often used in many programming languages. Array: Arrays are a container for storing data. In Ruby, the data stored in arrays can be of any type. This is different from JAVA, an array is a structure that stores the same type of data. 1. How to define arrays in Ruby? Use

Ruby array tutorial

You can create an array by listing elements in square brackets and separating them with commas (,). The Ruby array can adapt to different object types.Ruby> ary = [1, 2, "3"][1, 2, "3"]Just like the string mentioned above, Arrays can be multiplied or added.Ruby> ary + ["foo", "bar"][1, 2, "3", "foo", "bar"]Ruby> ary *

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