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  • add_without_safety create new DB entry in controller

    - by Karl Entwistle
    Im trying to get a controller to create a new account with the user id filled in, this doesn't work in my controller or in the console, why? Any suggestions on how to implement this would be much appreciated. class PaymentNotification < ActiveRecord::Base after_create :add_account_to_market private def add_account_to_market if status == "Completed" line = LineItem.find(:first, :conditions => { :cart_id => cart.id }) line.quantity.times do Account.new(:user_id => cart.user_id) end end end end

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  • MongoDB lists with paginations?

    - by Timmy
    for documents with lists with pagination, is it better to embed or use reference? im reading the custom type "SONManipulator" and it appears to transform every thing on retrieval, even the sub docs. i want to keep the list in the document sorted, should this impact anything?

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  • Using build with a has_one association in rails.

    - by espinet
    This is a really noob question but im having trouble finding the answer, is there a way in rails to have 0 or 1 association? For example, I create a user with no objects, than later on create an object for that user. I tried using build with a 'has_one' association but that blew up... The only way I see this working is using 'has_many'. The user is suppose to only have at most one of these objects, is there any way to do this?

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  • 2 pages using the same url using rails routes.

    - by espinet
    Im trying make a login page for my rails application that looks like "www.domain.com" and when you login you still are still located at the domain "www.domain.com". Is there a way that I can map 2 different actions to the same url using routes. Twitter does it this way, you log in at twitter.com and after you are logged in you are still located at twitter.com. Thanks.

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  • What do you use Sinatra for?

    - by Victor P
    Im confused about Sinatra (the ruby framework). Is it a lightweight Rails replacement or you can have them running side by side? Can you do a web application (as in Rails)? For example a twitter clone?

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  • General Question about MD5

    - by chicane
    So im just playing around with PHP and the MD5 functionality, sorry if this sounds really silly, but I cant seem to understand, how is it possible to represent an unlimited number of characters of input into a 32 bit character output? Is my logic sound here? Or is there a limit to the input that a MD5 function can take? Thanks...

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  • Io exception: There is no process to read data written to a pipe.

    - by Srikanth
    I'm using Hibernate3.2+Websphere6.0+struts1.3.. After deploying ,application works fine. After some idle time ,i will get this type of error repeatedly,am not able to login at all. Im not using any connection pooling. i feel after idle time its not able to connect to the database again..if i restart the server everything works fine for some time...after that same story.. please help me out

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  • Best way to get the highest sum from a Matrix (using Java but algorithm is the issue here)

    - by user294896
    Sorry I dont know the correct terminology to use but I have a 3x3 matrix like this 1 3 4 5 4 5 2 2 5 and I want get the highest score by picking a value from each row/column but I cant pick the same row or column more than once , so the answer in this case is 3 + 5 + 5 = 13 (row0,col1 + row1,col0 + row2,col2) 4 + 5 + 5 = 14 is not allowed because would have picked two values from col2 I'm using Java, and typically the matrix would be 15 by 15 in size. Is there a name for what Im trying to do, and whats the algorithm thanks Paul

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  • Help with database design

    - by Jonny
    Hey im new to database design and having trouble trying to figure this one out. I have two tables Team and Fixtures. Team has rows of football teams and Fixture has 2 of those football teams in each row (home and away team). I want to link team id to home_team and away_team but it doesnt allow me to. Please tell me how i can solve this. Here is an image of my tables/relationships http://i49.tinypic.com/288qwpg.jpg

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  • CF - How to "lose" focus from a control

    - by no9
    Hello. I have a control with two buttons (zoom in, zoom out). Both buttons have onClick event that handle the zoom. When any of the button is pressed, the button gets focus and bolds its border and text. Is there a way to disable/remove focus? Actually the solution im looking for would be that on mouseDown the button would receive focus and would lose it on mouseUp. thanx !

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  • textarea doesnt return value

    - by toingbou
    Im using a code editor codepress in all of my textareas, but no textarea return a value. I think the different name and id is the problem. Example: <textarea name="content_text" rows="20" cols="50" class="codepress sql" id="myCpWindow"></textarea> I have read somewhere in here to use a hidden input to transfer the textarea's value, but i cant do it myself! ayhelp?

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  • Using Matlab to interface with sensors

    - by nortron
    Im currently an E.E. under grad. and i was curious about matlab, I am now on break and i want to take my matlab a step beyond what i know (which is beginner to intermediate). For an example, i heard about a student doing a project that involved matlab controlling sensors to detect sunlight (solar panel related) and I am not sure how he did it?

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  • infragistics version 2010 compatibility

    - by Senthilkumar
    Hi I am using infragistic version 8.1 in my project .. I heard that now the latest version availble is 2010.. i just want to know that if i use infragistic 2010 in my project will it be compatible, because in my project im using .net 2.0..if i upgrade what will be the compatibility.. thank you

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  • jQuery javascript dynamic menus with mbMenu plugin

    - by lafoaug
    Im using the MbMenu jQuery plugin. http://plugins.jquery.com/project/mbMenu http://pupunzi.open-lab.com/2009/01/18/mbmenu/ I am probably being ridiculously stupid but I wish to have multiple menus on the same page, but not load them from external files (the html structure of the menu already exists on the page). To me the only place you define what menu is linked to the element you call buildMenu on is the 'template' construction which is a external file. Thanks.

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  • inputAccessoryView not hide the view when -resignFirstResponder?

    - by Sam Jarman
    I have attached a toolbar with a UITextField and UIButton to the keyboard when it becomes the first responder via the user taping inside the textfield textField.inputAccessoryView = theToolbar; Problem is, the toolbar disappears when the keyboard is dismissed, thus preventing any further input. Any ideas on how to make the toolbar go back to the bottom of the screen rather than off it completely? I'm thinking a delegate method might help but Im really not too sure. It seems once the inputAccessoryView always the inputAccessoryView :( Cheers

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  • Can't I send NULL as a parameter with a constructor?

    - by Jason94
    Lets say i have a Shape object that has a constructor like this: Shape( width, height, radius, depth ) Now, I just have a silly rect so i dont need redius and depth... is it okey to do Shape myRect(50, 50, NULL, NULL) ? I know its not the best idea and I should use inheritance and stuff but this is the mess im in so can i use NULL like this?

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