similar to: create or update -

Hi, let's say I have this A = matrix(c(1, 2, 4), nrow=1) colnames(A)=c("YOO1", "YOO2", "YOO3") # ie # YOO1 YOO2 YOO3 #[1,] 1 2 4 HELLO <- NULL HELLO$YOO1="BOO" HELLO$YOO2="BOO" HELLO$YOO3="HOO" and I want a matrix that will sum my categorization.. how can I do it efficiently without any loop? #ie BOO HOO

I am looking for some advice on how to make a date select display only valid days of the year. The standard date helper allows for you to choose 31 days for every month of the year. Since not all months have 31 days this can lead to invalid date entries for scheduling. I am thinking that an approach where I have a drop down for month and then use AJAX or normal client side javascript to

hi all is there eany installation guide that explais how to set up RadRails and how to create a RoR project with eclipse? thanks -- Posted via http://www.ruby-forum.com/.

Hello everyone! I have generic views for CRUD operations For example I render(''shared/list'') from controller shared/list.rhtml ... <% for item in @list %> <tr class="<%= cycle ''list-line-odd'', ''list-line-even'' %>"> <%= render :partial => ''item'', :locals => { :item => item } %>

Hello to all! This is the revised 2005 proposal for meta-data, much more in detail: http://maruku.rubyforge.org/proposal.md http://maruku.rubyforge.org/proposal.html http://maruku.rubyforge.org/proposal.pdf I wait for comments. At the end of the document, there are some open issues. And I need a regexp wizard to look over the "grammar" section. Cheers, -- Andrea Censi

Hello, Is there some built-in facility for fetching the Previous or Next record from a table? Assume the command find_by_name has been issued, and the variable @name contains the name "John Doe". I''m looking for something like find_next(@name) and find_previous(@name). What''s a good way to pursue if one has to roll their own methods? Thanks for the help, gk --

v 2.0.1 (sooooh old!) on Win2k I think I know the answer to this but I can hope ... I have data for continuous variables (measures of residents) by a categorical variable in range (1,22), the units in which they live. I want to plot these data with a pair of boxplots one above another with same x-axis (1,22) using par(mfrow=c(2,1)) and then plotting first for the women then for the men.

Hi all, Intel has just revealed its AVX2 instruction set, to be supported by the 2013 Haswell architecture, and it's looking quite revolutionary: http://software.intel.com/en-us/forums/showthread.php?t=83399 <http://software.intel.com/en-us/forums/showthread.php?t=83399&o=a&s=lr> &o=a&s=lr It includes powerful 'gather' instructions, which allow reading

We''re still hard at work on Rails 1.2, which features all the new dandy REST stuff and more, but a serious security concern has come to our attention that needed to be addressed sooner than the release of 1.2 would allow. So here''s Rails 1.1.5! This is a MANDATORY upgrade for anyone not running on a very recent edge (which isn''t affected by this). If you have a public

Hi all, After an upgrade from R_2.10.1 to R_2.11.1 I am now getting the following error: Error: evaluation nested too deeply: infinite recursion / options(expressions=)? This occurs in the initialize method of S4 classes where I was initialising attributes eg: .Object[['realtimeState']] <- list() I can avoid this new error by altering the code to do: .Object$realtimeState <-

Hi! I''m looking for a good tutorial that explains the main points of performing queries with Rails. I do have AWDWR and have read the section on ''find'' but I''m looking for something that goes into more detail on how to perform queries across tables. Abstracted from my current application, this is an example: * person has_many sites * site has_one room *

I would like to get at all models in a rails application to be able to add a field to every one of them as part of a migration. Something like the following: Appmodels.each { |x| add_column x.table_name.to_s, :foo, :text } I understand I can get the table name using ActiveRecord::Base#table_name, but how do I get all the models into an array that I can use in the above manner? -- Cheers, Hasan

I was wondering if anyone could help me with this one. I am having trouble getting LDAP and samba working properly on my Debian Woody box. I am using OpenLDAP 2.0.27-3 and the unsable packaged Samba version 2.999+3.0 and am using the samba.schema for my LDAP database. Whenever I try to join the network using either W2K or smbclient the LDAP debug log shows that the following filter is being

Hi all, Is it possible to configure red cloth to escape a block such as: ------------------------------------------------------------------ Hello, _this_ works *beautifull* [code lang="ruby"] def foo bar end [/code] ------------------------------------------------------------------ The text in the [code] block should not be parsed by Red Cloth''s to_html method. I cannot

I just installed ruby, lighttpd, and mysql from darwinports on me laptop in lieu of the Apple version of ruby. Now when I fire up my rails application, it''s not running lighttpd anymore -- it''s running webrick. It also exits immediately. MySQL is running, the database and tables are restored from the backup. What step am I missing? Thanks for the help! Cheers, Hasan

Has anyone been able to get the minibrowser on the Polycom SoundPoint IP 500/600 phones working? If so could you share the relevant sections of your config with me?

Easy one: Let''s say I have a table called ''employees'' with a column called salaries, how can I add Employee.salaries_total to the model? Thanks! -- Posted via http://www.ruby-forum.com/.

Hello list, I''m trying to start my Rails server after doing a long complex switch from Postgres to MySQL, and I''m getting the following error: => Booting WEBrick... /usr/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/active_support/dependencies.rb:200:in `const_missing'': uninitialized constant ApplicationController (NameError) from

Hello, I'm not sure how to go about this. Suppose I have a function SEXP boo(SEXP x){ //do something } Also, I have an executable which embeds R in itself. I would like to provide a R function to user code to call that calls 'boo' e.g ##user supplied expression that is given to me x<-1 boo(x) One way is to create a library with function boo that performs .Call to boo, but is

Thank You David and Mats for the reply, The reason I need to know that main is the entry point is as follows : I have a dead code elimination pass that removes the function call for boo. boo was initially called from the main function , but since the return in the main function has no dependency on boo, boo function call is removed. Now I want to remove the function definition of the functions