In Ruby how do you sort one multi dimendional array by another multi dimensional array?

Posted by Shreyas Satish on Stack Overflow See other posts from Stack Overflow or by Shreyas Satish
Published on 2010-04-05T17:07:55Z Indexed on 2010/04/05 17:13 UTC
Read the original article Hit count: 343

Filed under:

ruby

|

array

|

sorting

Lets say I have an array : a=[[1,2,3],[4,5]] and I have another array : b=[[2.5,1.5,3.5],[1.5,2.5]]

I need to sort 'a' with respect to 'b'. i.e the output should be = [[3,1,2],[5,4]]

I tried but my code seemed to be very lengthy. It would be great if you could help me out.Thanks!

© Stack Overflow or respective owner

Related posts about ruby

Setting up Rails to work with sqlserver

as seen on Stack Overflow - Search for 'Stack Overflow'
Ok I followed the steps for setting up ruby and rails on my Vista machine and I am having a problem connecting to the database. Contents of database.yml development: adapter: sqlserver database: APPS_SETUP Host: WindowsVT06\SQLEXPRESS Username: se Password: paswd Run rake db:migrate… >>> More
marshal data too short!!!

as seen on Stack Overflow - Search for 'Stack Overflow'
My application requires to keep large data objects in session. There are like 3-4 data objects each created by parsing a csv containing 150 X 20 cells having strings of 3-4 characters. My application shows this error- "marshal data too short". I tried this- Deleting the old session table. Deleting… >>> More
Sinatra and XML POST request

as seen on Stack Overflow - Search for 'Stack Overflow'
I don't know is it my mistake or no. So i have that code: <code> post '/singin/get_token' do content_type :xml puts request.body.read puts xmlRequest xmlRequest = REXML::Document.new(request.body.read) ... </code> And when i post something like that: <code> <?xml… >>> More
how to change ruby path from /usr/bin/ruby to /usr/local/bin/ruby

as seen on Stack Overflow - Search for 'Stack Overflow'
reading around the various ruby install tutorials it's required to change path from /usr/bin/ruby to /usr/local/bin/ruby but i cant seem to be able to do it. Ultimately i want to install Ruby 1.9.2, should i uninstall 1.8.7 or what? i tried to install Ruby 1.9.2 with macports, the installation seemed… >>> More
strange bundler error: tar_input.rb:49:in `initialize': not in gzip format (Zlib::GzipFile::Error) o

as seen on Stack Overflow - Search for 'Stack Overflow'
i am getting a strange bundler error when running bundle pack with bundler 0.9.12 any ideas? (see pastie for a better formatted code: http://pastie.org/881328 ) /opt/ruby-enterprise-1.8.7-2010.01/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:49:in `initialize': not in gzip format (Zlib::GzipFile::Error) … >>> More

Related posts about array

Array reverse and Array sort on One int array and store into another array using delgate

as seen on Stack Overflow - Search for 'Stack Overflow'
Array reverse and Array Sort on an int array and store into another array using a delegate. We have to accept the elements from the user >>> More
LWJGL Voxel game, glDrawArrays

as seen on Game Development - Search for 'Game Development'
I've been learning about 3D for a couple days now. I managed to create a chunk (8x8x8). Add optimization so it only renders the active and visible blocks. Then I added so it only draws the faces which don't have a neighbor. Next what I found from online research was that it is better to use glDrawArrays… >>> More
Sorting a Multidimensional array...

as seen on Stack Overflow - Search for 'Stack Overflow'
I need to sort an array that can look like this: $array[4][0] = array('id' => 1, 'value' => 2); $array[3][2] = array('id' => 0, 'value' => 3); $array[4][1] = array('id' => 1, 'value' => 0); $array[1][3] = array('id' => 2, 'value' => 1); $array[1][1] = array('id' => 3, 'value'… >>> More
why i add more insignificant code but cost less time

as seen on Stack Overflow - Search for 'Stack Overflow'
i write a method and when i add some insignificant code it works faster, like these : array[1]=array[1]; array[0]=array[0]; array[3]=array[3]; array[2]=array[2]; i use double t=System.currentTimeMillis(); at first to record the time. then call the method and use System.out.println(System.currentTimeMillis()-t);… >>> More
Difference between array('Acl' => array('type' => 'requester')) and array('Acl' => 'requester') in C

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm following the ACL tutorial for CakePHP 1.3 and I was wondering if there is a functional difference between declaring a behavior like this: var $actsAs = array('Acl' => 'requester'); and like this: var $actsAs = array('Acl' => array('type' => 'requester')); >>> More