similar to: how do i use a loop to fill an array?

Displaying 20 results from an estimated 50000 matches similar to: "how do i use a loop to fill an array?"

2006 Jun 04
5
Creating pulldowns using loops
Creating looped pulldowns in PHP is simple so I can''t figure out why it seems to elude me in RoR. I want to create a simple pulldown list with the options and values "1" through "14." I have been trying to accomplish this with the .upto method like so: --START RHTML CODE-- <% options_array = [ 1.upto(14) {|i| print "[" i "," i "]"}
2006 Apr 10
9
Pagination with letter (A B C D ... Z)
Hi there, Is there a neat and easy way to implement pagination with letters rather than numbers eg : A B C D ... Z Rob
2007 Jun 19
3
another issue with highlighting
Hi, I''m encountering another highlighting issue. (about the first one "range search and highlighting", i received no response. I don''t even know if somebody tried to reproduce and/or if it''s normal behavior) about the new issue, an example will be easier for you to reproduce: I''m filling an index with random data, i try to match for "*1*"
2006 Apr 05
7
select_tag - populating options
Hello, I want to a select tag, where you can choose a number between 1 and 100. My inital code is based on the examples from Agile Web Development with Rails, and looks like this: view: <%= options = [["Select number of lines", ""]] + RfqLines::LINE_QTY select("rfq_line", "line_qty", options) %> model: LINE_QTY = select_fill def
2007 Jan 20
2
Conditional pluralize without the number
Hi. Assume you have an array of person names. I want to generate results in my view that look like this: Abby is your friend or Abby, Bob, and Carol are your friends. So I''d like to say: <%= friends.to_sentence %> <%= pluralize(friends.count, "is") %> your <%= pluralize(friends.count, "friend") %> But because pluralize puts in the
2009 Jul 29
2
LoadError: RubyGem version error: rake-compiler(0.6.0 not
i tried running the following from commands for creating a class Story and instance of class called story in Rails script console. (pg 102/103 from Simply Rails 2 book. P. Lenz) I get the following error: Gem::LoadError: RubyGem version error: rake-compiler(0.6.0 not ~> 0.5.0) I do not see any environment variables or version numbers I can make changes to to get RubyGem upto date. I have
2006 May 27
3
Saving an Array to MySQL... data changes...
I have a multiple select menu: <%= select_tag ''resume[employer_1_industry][]'', options_for_select(industries_helper, @resume.employer_1_industry), :multiple=> true %> It produces this HTML: <select id="resume[employer_1_industry][]" multiple="multiple" name="resume[employer_1_industry][]"> <option value="">-
2007 Nov 29
3
Strange Array behaviour
I''m having a strange thing when using the Enumerable extensions for Rails: Have a look at the following code: class Invoice < ActiveRecord::Base has_many :invoice_lines def total invoice_lines.sum(&:total) end end class InvoiceLine < ActiveRecord::Base belongs_to :invoice def total amount * price end end Now, when calling invoice.total, I get wrong
2006 Mar 12
2
Find all the methods on a object in an irb session?
How can I find all the methods on an object from withing irb? Thanks, Joe
2009 Jan 31
9
Maxima and Ruby Integration
I''m looking to write a javascript heavy clientside program with a something serverside backend that connects to the free maxima math program. I have extensive knowledge of ruby on rails, so I would prefer to call Maxima with ruby, but I don''t know if this is even possible. Its fairly easy to call Maxima (with a lisp implementation) using ANSI C, it is a little less easy to
2006 Nov 29
6
How do I create an array to represent an empty record?
Here''s something that''s a snap to do in desktop database management systems (like Paradox or Access) but I haven''t figured out how to do it in RoR, and can''t seem to find any examples by googling, etc. My overall goal is to create a temporary space in which to create and process a single new record (representating a payment transaction), and when I''m
2006 Jun 23
2
Storing Array in Database
Hey all, I''m storing an array of timestamps in a field in my database as an array. When the items get saved, however, some minus signs are appended to the text: sample output: --- - 1151971200 - 1152576000 - 1153180800 - 1153785600 - 1154390400 Is this normal behavior? When I retrive the value out of the database and .to_a, the three minus signs (---) are counted as the first
2008 Oct 07
6
Hpricot loop question to read table row values
Hi. I''ve got a file that contains a table that looks like this: <table> <tr><td>column title a</td><td>column title b</td></tr> <tr><td>row 1 a</td><td>row 1 b</td></tr> <tr><td>row 2 a</td><td>row 2 b</td></tr> <tr><td>row 3 a</td><td>row 3
2011 Feb 27
10
How to store the same key multi times in a Hash ?
given an Arra tags[] I need to produce a resulting Hash as following .. { "$in" => [tags[0]], "$in" =>[tags[1], ...} in which the key should be always the same and the value being an Array I tried this : myHash = {} tags.each do |tag| h = {"$in" => [tag]} myHash.merge!(h) end but the merge! is only
2006 Apr 25
1
Array of dates/times from time.now till nextweek
Hi, I would like to make @dates in my controller. I tried the following: startdate = Time.now enddate = startdate.next_week for enddate > startdate @dates << startdate startdate = startdate.tomorrow end But I get an errormessage when I check the syntax: "warning: useless use of a variable in void context" Anyone? Thanks! Steven. -- Posted via
2007 Nov 07
7
Help on loop
Hey, I have got a script that returns a long list of font family names, which I all want to store in a variable (array). I tried doing this with @f = font.family also in the for loop below but it only prints the last item when I want to display the results. require ''rubygems'' require ''RMagick'' include Magick for font in Magick.fonts puts font.family end
2007 Nov 20
9
Testing Models without fixtures
Hi, I would like to test a sorting method that is in the user model, it''s a class method called search. What I would like to do is create 2 users and load the test database with just those 2 users, so that I can call User.search("john") and it would return those two users. Not sure how to clear the test database and populate it just with these 2 users for that specific
2006 May 18
3
populating array of text_fields from an array of model objects
I have in my view the following: <% 0.upto(@num_performances) do |idx| -%> <%= text_field ''performance'', ''city'', :index => idx, %> <%= text_field ''performance'', ''venue'', :index => idx, %> <% end -%> and in my controller I have: @performance = [Performance.new("city" =>
2009 Jan 20
2
Do I need an SSL certificate to use ActionMailer 2.2.2?
Hi guys - I''m sorry to post about this issue again but after several days I still cannot get ActionMailer working and I''ve been through every tutorial/forum looking for the answer. I know ActionMailer now requires SSL validation, does that mean I need to purchase an SSL certificate before I can send emails? If not, is there anyone out there who can help me set up my mailer to
2009 Jan 22
4
Is there a plugin that can autofill(ajax) during user input?
I haven''t done rails in a year, but can someone tell me if there is a plugin or how much work is it to add an auto fill function like google''s front page? Would you just use an observer on the form or is there already a built in class that can do this? Thanks! Feng -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received