similar to: collection_select help

I need to compare a column in TableA to a column in TableB and then select 3 columns from TableA for all the records in TableA that don''t exist in TableB. TableA and TableB are different but do have one field in common that i am comparing. The tables are not related in anyway. right now I have a find_by_sql query located in a model that looks like this: def self.absent_charges

I need to select 1 record from each client. This record has the charge with the most severe charge type (lowest charge_type_id). How do I go about this? I have been using a find_by_sql query out of the client.rb that looks like: SELECT c.f_name AS f_name, c.l_name AS l_name, c.gender AS gender, c.race AS race, c.dob AS dob, c.address AS address, c.city AS city, c.state AS

I am uploading a .csv file for importing into a database; however, this file does not need to be saved on the server. How do I get the file name of the original file? I know about the file_column plugin but I don''t need/want to save the uploaded file on the server, I just need to import it and delete it. Right now the file name get returned as some random temp file name... there has to be

On Mon, January 25, 2016 19:12, Benjamin Smith wrote: > > Which I'd consider "best practices" and we do them. > They are specifically asking about what to do *after* a > breach. Despite all the best practices in > place, there's *still* some risk. > If someone wants in to your network then they will get in. There is no point in deluding yourself or your

I'm looking for a package that has a start-of-the-art method of imputation of missing values in a data frame with both continuous and factor columns. I've found transcan() in 'Hmisc', which appears to be possibly suited to my needs, but I haven't been able to figure out how to get a new data frame with the imputed values replaced (I don't have Herrell's book). Any

Hello Everyone, I saw the text about the change and needing to define an inbox namespace. Everything seems to work fine except doveadm. I get the following from a cronjob that has worked well for years now. doveadm(account at example.com): Error: Syncing mailbox TRASH failed: Mailbox doesn't exist: TRASH doveadm(account at example.com): Error: Syncing mailbox TRASH failed: Mailbox

Accepted and forgotten. It just reminds us to check on our prejudices once in a while. Also, I realized that my description was not entirely accurate. You actually had to click the link on the page you posted to get this: http://www.odesk.com/jobs/College-Assistance_~~dd7622f6bdef9177 I am an MSc. computer science student in a foreign university! Need help to solve the exercises in the following

Signif. codes: 0 *** 0.001 ** 0.01 * 0.05 . 0.1 1 Signif. codes: 0 <80><98>***<80><99> 0.001 <80><98>**<80><99> 0.01 <80><98>*<80> <99> 0.05 <80><98>.<80><99> 0.1 <80><98> <80><99> 1 Signif. codes: 0 *** 0.001 ** 0.01 * 0.05 . 0.1 1 hmm... they go away when I

I currently have 3 tables/models: 1) Clients, 2) Charges, and 3) Court_Dates. Clients 1..n Charges 1..n Court_Dates I am trying to find all clients that have a court_date on a certain day: something along the lines of (@client.charge.court_date.date == Date.today). I have had success preloading child rows using the :include parameter, but that only works with a parent and a child, or a

Hi everyone, Here are new releases of bio-cgroup. Changes from the previous version are as follows: - Accurate dirty-page tracking Support migrating pages between bio-cgroups with minimum overhead, but I think such a situation is quite rare. - Fix a bug of swapcache page handling Sometimes, "bad page state" is occurred since the memory controller has temporarily changed the

Hi everyone, Here are new releases of bio-cgroup. Changes from the previous version are as follows: - Accurate dirty-page tracking Support migrating pages between bio-cgroups with minimum overhead, but I think such a situation is quite rare. - Fix a bug of swapcache page handling Sometimes, "bad page state" is occurred since the memory controller has temporarily changed the

Hi everyone, Here are new releases of bio-cgroup. Changes from the previous version are as follows: - Accurate dirty-page tracking Support migrating pages between bio-cgroups with minimum overhead, but I think such a situation is quite rare. - Fix a bug of swapcache page handling Sometimes, "bad page state" is occurred since the memory controller has temporarily changed the

(I posted this earlier but it doesn''t appear on the group, so I''m writing it again, If it appears twice, I apologize.) I have a drop-down box that allows the user to select a language. I want to use Ajax to render a filtered list of items based on the language selected. I don''t want the user to press a Submit button nor refresh the page, of course. I''m using

I use the following code in my view: <%= collection_select(''datedata'', ''date'', @allDate, :id, :date) %> It''s show me the date of all entries in the database (Dropdown menu). Additional, I wrote a helper method "showDate" in the application_helper.rb! How can I use this method in the collection_select for every date entry? thanks

Hi, I''m trying to use collection_select with a habtm relationship. Let''s say you have two tables: books and authors with a many-to-many relationship. Is there any way in rails to render something like selection boxes for each author, so that the user can change them? I tried this (and several more variations) but it doesn''t work: <% for @author in @book.authors

I wanting to add an onchange event handler to collection_select but I''m not sure how. The api gives the signature as collection_select(object, method, collection, value_method, text_method, options = {}, html_options = {}) I''m not sure, however, if I need to place the desired code in "options" or "html_options". I''m sure I could just figure it out

I am creating a data entry form that allows a user to fill in multiple rows and save them all at once. In my controller, I create an array of "person" objects and pass it to the page. On the page, I have a text field like so: <%= text_field "person", "name", "index" => 1 %> Note the "index" attribute, which sets the name and id

Hello, I''m wondering where in the docs am I suppose to find a complete list of options for the collection_select helper? For instance the API docs have an example for the select helper as below: select("post", "person_id", Person.find_all.collect {|p| [ p.name, p.id ] }, { :include_blank => true }) Where the heck do I find valid values for the options and

I keep getting the error below when I use validations with collection_select. You have a nil object when you didn''t expect it! You might have expected an instance of Array. The error occured while evaluating nil.inject Extracted source (around line #22): 19: <td>Vendor</td> 20: <td> 21: <!-- vendors --> 22: <%=

Hi, I have a form where i have two drop down lists formed by using the collection_select helper. I need the second list "selected" item to change depending on what was selected in the first list. I am currently using an onChange ajax call when the first list is changed, but I cannot get the second lists default value to change. I have read that if I set the @variable.attribute