similar to: Find, .map and Distinct

I''m hoping there''s an easy way to do this.  I''m trying to read options from a database, and insert them into form tags.  So for example, In the Database Table: options size: 300 type: text_field maxsize: 300 and I want to create a text_field form tag, with all the appropriate options, is there an easy way to do this, other than having the code output the HTML

Hey Guys, need a hand again.... Lets say I have an Order... and an Order has Order Lines and Order_Lines have Items... I want to create a New Order, which would have New Order Lines with the same Items... Is there a fast / easy way to do this, w/o having to create a new order, loop through all the order lines, and create them associating them with the Items? Any help would be great, thanks --

I''m getting errors whenever the user chooses, for example, April 31st ( since there is no 31st in April, navicat freaks out ), there MUST be a method that ruby has that would allow me to validate a date before I submit to navicat. I haven''t been able to find anything online about it either, it''s probably something simple, I just can''t figure it out. Thanks

i have this model: class LineItem < ActiveRecord::Base belongs_to :quote end in the console: >>l = LineItem.create ActiveRecord::StatementInvalid: Mysql::Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' , , , )'' at line 1: INSERT INTO line_items (`qty`, `quote_id`,

Hey, probably an easy question but, I''m trying to get a method to run "before_destory" for a model, and I want the method to throw an error, and not delete the object from the database, if a certain condition is held Obviously, I can just raise an error and rescue it... but for some reason I can''t get <% error_messages_for ''model" %> to catch

Hello and thanks for emailing B2B Logic. I am out of the office until Monday June 19th. Any emergency problems, comments or concerns should be directed to Ryan Lundie: ryan@b2blogic.net Thanks Randal Santia B2B Logic.net

... Being an R newbie, I can only think of extracting distinct x values with unique, looping over them, extracting matching rows from the original data frame, applying table, and recording the size of table's output alongside the x value being checked. Is there a more elegant way? Thank you. -- View this message in context:

Hi, I have a many to many relationship incorporating the following tables: taxes --> taxes_tax_groups --> tax_groups I have a model named tax with the following declaration: has_and_belongs_to_many :tax_groups and I have a model named tax_group with the following declaration: has_and_belongs_to_many :taxes I am attempting to run the following unit test: require

Hey all, Ok this is probably a newb question, but I haven''t been programming with MVC for very long, and I''ve been wondering what the general opinion is, or best practices, for making a new controller. Like what cases would you need a new controller for and what cases can you just put everything into one controller? Thanks in advance, Randal -- Posted via

Hi everyone, I am working with the dbFD function of the FD package, and there's something funny happening with the value of sing.sp in the output. Basically, I have a species-function matrix and a community matrix. One site in particular has 6 species, 4 of which have identical functional coding. I thus expect nbsp = 6 and sing.sp = 2 for this site. However, nbsp = sing.sp = 6. This

I received the attached bug report from a Debian user; it applies to http://www.openssh.com/faq.html (I ship a copy of the FAQ in the Debian package). Could somebody make this adjustment on the OpenSSH web site? Thanks, -- Colin Watson [cjwatson at debian.org] -------------- next part -------------- An embedded message was scrubbed... From: Regid Ichira

Hello, I have done a search for this issue, but I didnt really see an answer. if i want to store things in a hierarchy, but i want items to be in multiple categories at any level. i'd like to be able to search for an item and only show it once, but maybe (not required) show what categories the results are in. but if i look in a category (search on that category) then i want to see that

On Fri, Aug 28, 2009 at 5:56 PM, Kenneth Uildriks<kennethuil at gmail.com> wrote: > It would also > help optimize away calls to "random" in some cases. If you're talking about the Unix random(), it does has visible side effects, specifically related to the guarantee that an srandom call followed by N random() calls will always produce the same sequence of N numbers.

I have been experimenting with setting call time limits, and modifying those limits on the fly. My application is a case where a user has a time limit on their call, determined by the user's credit. The time limit may be extended by the provision of more credit. It is desirable to use the L flag of the Dial() application, as it gives the user audible feedback. I was hoping to be able to

The poly() function can create more variables than can be fitted when there are replicated values. In the example below, 'x' has only 5 distinct values, but I can apparently fit a 12th-degree polynomial with no error messages or even nonzero coefficients: R> x = rep(1:5,3) R> y = rnorm(15) R> lm(y ~ poly(x, 12)) Call: lm(formula = y ~ poly(x, 12)) Coefficients:

there is a vector, like: 1, 1, 1, 2, 2, 3, 3, 4, 5, 5, I'd like a function that gives me only 1, 2, 3, 4, 5 thank you

I'm trying to use combine c('a','b','c','a','c') into 'a, b, c', the order does not matter. paste(c('a','b','c','a','c'), collapse=', ') yields 'a, b, c, a, c'. Any idea? -- Regards, Anh Tran [[alternative HTML version deleted]]

Hello, I have the vector (a,b,a,c) and I trying to obtain it's distinct elements in another vector. Is there a function that can do this? Thanks, Bogdan -- View this message in context: http://www.nabble.com/distinct-elements-of-a-vector-tp25168032p25168032.html Sent from the R help mailing list archive at Nabble.com.

Hello everyone, I am trying to retrieve the list of distinct values within a whole data frame. I tried to use unique() function but it retrieves the distinct values within each column or row, I want it for the entire data frame, any idea? ----- Anna Lippel -- View this message in context: http://n4.nabble.com/Retrieve-distinct-values-within-a-whole-data-frame-tp1460205p1460205.html Sent from

Hi R-users, How can I found the number of a distinct values in a data frame (occurrence of distinct values)? The dataframe consists of several thousands integer numbers. Thanks, Rado -- Radoslav Bonk M.S. Dept. of Physical Geography and Geoecology Faculty of Sciences, Comenius University Mlynska Dolina 842 15, Bratislava, SLOVAKIA tel: +421 905 968 127 e-mail: rbonk at host.sk