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  • acts_as_tree and to_json or from_json

    - by Sohan
    Hello: Does anyone have a solution to convert an acts_as_tree model to json that includes all its nodes? I trued using :include=:children, but that only goes down to one single level. Any idea how to iterate the whole tree?

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  • What SQL query should I perform to get the result set expected?

    - by texai
    What SQL query should I perform to get the result set expected, giving the first element of the chain (2) as input data, or any of them ? table name: changes +----+---------------+---------------+ | id | new_record_id | old_record_id | +----+---------------+---------------+ | 1| 4| 2| | -- non relevant data -- | | 6| 7| 4| | -- non relevant data -- | | 11| 13| 7| | 12| 14| 13| | -- non relevant data -- | | 31| 20| 14| +----+---------------+---------------+ Result set expected: +--+ | 2| | 4| | 7| |13| |14| |20| +--+ I know I should consider change my data model, but: What if I couldn't? Thank you in advance!

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  • PHP TTF/OTF Reader

    - by Abs
    Hello all, Is anyone aware of a font reader class where I can pass in a font file (ttf or otf) and I can find out the font name, the model, artist etc. The meta data really. Thanks all for any help

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  • symfony autocompletion in netbeans?

    - by fayer
    im using netbeans to code a web application with symfony. it seems that netbeans doesnt support symfony in auto completion. could one fix this problem. cause i want to be able to click on symfony's functions and get to the source, eg helper function and model methods and classes.

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  • Accept and Decline button missing in thunderbird when receiving an invitation

    - by Laurent Lugon
    I'm using Thunderbird 12.0.1 with the following add-ons for the calendar : Lightning 1.4 Provider for Google calendar 0.9 I'm working with Ubuntu 12.04 My problem is when I receive an event invitation from outlook or gmail, the mail is correctly identified by Thunderbird (I have the message "this message contains an invitation to an event"). In the pretty little box in the mail (the one which contains all the details), there is no "Accpet" or "Decline" button... I found on the Lightning forum that this bug was fixed in Lightning V.1.0b2 So my question is : why do I still have this bug ??? Best regards

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  • SQL Server: How to tell if a database is a system database?

    - by Vinko Vrsalovic
    I know that so far (until MSSQL 2005 at least), system databases are master, model, msdb and tempdb. Thing is, as far as I can tell, this is not guaranteed to be preserved in the future. And neither the sys.databases view nor the sys.sysdatabases view tell me if a database is considered as a system database. Is there someplace where this information (whether a database is considered a system database or not) can be obtained?

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  • Ruby xml rpc error handilng

    - by stel
    I have a model class Car @@RPCServer = XMLRPC::Client.new("localhost", "/", 8080) def self.count @@RPCServer.call("cars.count") end end If server is not running on localhost:8080 I've got a Errno::ECONNREFUSED error. I want to display an error message to user, how can a handle this error?

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  • Java on 256MB system?

    - by Mike S.
    For a school project, I've registered a free VPS on a hosting provider (pipni.cz). It has 256MB RAM: Mem: 262144k total, 148104k used, 114040k free, 0k buffers It's running on Debian Squeeze. I always get this error when I run a Java program: Error occurred during initialization of VM Could not reserve enough space for object heap Could not create the Java virtual machine. I tried to use Xms, Xmx, Xss with low values and still same result. ulimit -v gives me "unlimited". My application will be pretty simple and I need to use rmiregistry also. Can somebody help?

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  • How can I redirect HTTP(S) traffic to another gateway?

    - by PsyStyle
    I have a network like 192.168.0.0/15 with the default gateway set to 192.168.0.1. All the workstations of the network use this gateway for all kind of accesses to the Internet. Now I am testing a new Internet connection with another provider and for that I'm using a second gateway on the same subnet with 192.168.0.2 as IP address. I want to redirect only HTTP and HTTPS traffic to this second gateway keeping untouched the address of the default gateway set inside every workstation. How can I accomplish this task? What I have to change inside the first's gateway firewall configuration or routes? I tried with a DNAT like: DNAT loc:192.168.0.1 loc:192.168.0.2 tcp 80 but nothing worked. I use Shorewall for simplicity in configuration but I can understand even theorical answers which I will try to adapt to my case.

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  • Is it possible for a router to "go bad" with time?

    - by JQAn
    I've been having problems with my internet connection over the past weeks (intermittent disconnections, slow transfers, etc), and my provider keeps telling me that the problem is not on their end. I have cablemodem with a wifi router (this router was not provided by them). The router is quite old (DIR-300), so I'm starting to wonder if it could be the issue and if I should replace it. Is it possible that it is the cause? Can they become so outdated that they cause intermittent interruptions of service? If I reset the modem and the router, they work fine for a few hours, but the problems starts again after a while.

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  • ASP.NET MVC - how to get the value from a textbox in my View?

    - by fearofawhackplanet
    If I have a textbox in my view: <div><%= Html.TextBox("Comments", Model.Comments)%></div> I want to post the contents of this textbox to the controller with an Ajax call. I only need this one value though, so I don't want to post the whole form back. <%= Ajax.ActionLink("update", "UpdateComments", new { comments = /* ????? */ }, new AjaxOptions { HttpMethod="POST" })%> How do I get the textbox value?

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  • JQuery within a partial view not being called

    - by XN16
    I have a view that has some jQuery to load a partial view (via a button click) into a div in the view. This works without a problem. However within the partial view I have a very similar bit of jQuery that will load another partial view into a div in the first partial view, but this isn't working, it almost seems like the jQuery in the first partial view isn't being loaded. I have tried searching for solutions, but I haven't managed to find an answer. I have also re-created the jQuery function in a @Ajax.ActionLink which works fine, however I am trying to avoid the Microsoft helpers as I am trying to learn jQuery. Here is the first partial view which contains the jQuery that doesn't seem to work, it also contains the @Ajax.ActionLink that does work: @model MyProject.ViewModels.AddressIndexViewModel <script> $(".viewContacts").click(function () { $.ajax({ url: '@Url.Action("CustomerAddressContacts", "Customer")', type: 'POST', data: { addressID: $(this).attr('data-addressid') }, cache: false, success: function (result) { $("#customerAddressContactsPartial-" + $(this).attr('data-addressid')) .html(result); }, error: function () { alert("error"); } }); return false; }); </script> <table class="customers" style="width: 100%"> <tr> <th style="width: 25%"> Name </th> <th style="width: 25%"> Actions </th> </tr> </table> @foreach (Address item in Model.Addresses) { <table style="width: 100%; border-top: none"> <tr id="[email protected]"> <td style="width: 25%; border-top: none"> @Html.DisplayFor(modelItem => item.Name) </td> <td style="width: 25%; border-top: none"> <a href="#" class="viewContacts standardbutton" data-addressid="@item.AddressID">ContactsJQ</a> @Ajax.ActionLink("Contacts", "CustomerAddressContacts", "Customer", new { addressID = item.AddressID }, new AjaxOptions { UpdateTargetId = "customerAddressContactsPartial-" + @item.AddressID, HttpMethod = "POST" }, new { @class = "standardbutton"}) </td> </tr> </table> <div id="[email protected]"></div> } If someone could explain what I am doing wrong here and how to fix it then I would be very grateful. Thanks very much.

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  • Using git-svn (or similar) just to help out with svn merge?

    - by inger
    Some complex subversion merges are coming up in my project: big branches that have been apart for a long time. Svn gives too many conflicts. Would it be any good to use git-svn just for the benefit of making the merge more manageable? (perhaps due to its powerful content model) Can you recommend other alternatives (eg. svk) to lessen the merge pain? Thanks in advance.

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  • Do I need to create icons other than RGBA for my Windows app?

    - by user843732
    I'm curious if anyone still creates icons other than RGB/A (or 32-bit with alpha-channel) for your Windows apps? PS. I know that suggested model is to create 256-color versions of icons, but I always struggle with those. If I automatically convert them in an icon editor they totally decimate the look of my original icons with jagged edges and circa-Windows95 look. So if those are still required, does anyone know the stats on how many people are still using color settings other then 32-bit TrueColor?

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  • Symfony: how would you reverse the "notnull:true" in a schema of a plugin?

    - by user248959
    Hi, sfGuardUser model of sfDoctrineGuardPlugin is defined this way: sfGuardUser: actAs: [Timestampable] columns: id: type: integer(4) primary: true autoincrement: true username: type: string(128) notnull: true unique: true As you can see 'username' has the feature "notnull:true". Now i want to create a register form that is not using 'username' but the email address of the user. When a user wants to register, it is showed this: Validation failed in class sfGuardUser 1 field had validation error: * 1 validator failed on username (notnull) Any idea? Javi

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  • Random Quote in html using codeignitor

    - by user1503606
    I am getting random quotes in my html see image below, and i cant for the life of me figure out how to get rid of them i have traced it right back to my model and their are now quotes there, i have also compressed all my code and there is still quotes??? Any one had this bug??? heres my php <ul><?php foreach ($account_media as $value) : ?><li class="span2"></li>?<?php endforeach; ?></ul> i am using codeignitor

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  • Rails find all with association

    - by aaronrussell
    I have what I think is a very simple problem (famous last words)... I have a Category model that has_and_belongs_to_many Events. I want to construct a simple and efficient query that finds all categories that have 1 or more events. (using Rails 3) I'm sure I'm having a dumb moment here - any help appreciated :)

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  • technology for new webproject?

    - by elCapitano
    Hi there, i am planing to set up a new webproject which has to use a database and a model which can be presented in a browser. I looked at a lot of technologies (JSF, PHP, ..) but i could not find a free and easy framework/technology for me (in the end i prefered asp.net, but this is not free). What can you recommend me for a new webproject from scratch?

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  • HttpContext returning only "/"

    - by user281180
    I have the following two lines of codes in my model, however, both virtual and path have values "\". Where have I gone wrong? var virtual = VirtualPathUtility.ToAbsolute(HttpContext.Current.Request.ApplicationPath); var path =HttpContext.Current.Request.ApplicationPath;

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  • WPF/INotifyPropertyChanged, change the value of txtA, the txtB and txtC should change automatically?

    - by user1033098
    I supposed, once i change the value of txtA, the txtB and txtC would change automatically, since i have implemented INotifyPropertyChanged for ValueA. But they were not updated on UI. txtB was always 100, and txtC was always -50. I don't know what's the reason. My Xaml.. <Window x:Class="WpfApplicationReviewDemo.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MainWindow" Height="350" Width="525"> <StackPanel> <TextBox Name="txtA" Text="{Binding ValueA}" /> <TextBox Name="txtB" Text="{Binding ValueB}" /> <TextBox Name="txtC" Text="{Binding ValueC}" /> </StackPanel> </Window> My code behind... public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); this.DataContext = new Model(); } } public class Model : INotifyPropertyChanged { private decimal valueA; public decimal ValueA { get { return valueA; } set { valueA = value; PropertyChanged(this, new PropertyChangedEventArgs("ValueA")); } } private decimal valueB; public decimal ValueB { get { valueB = ValueA + 100; return valueB; } set { valueB = value; PropertyChanged(this, new PropertyChangedEventArgs("ValueB")); } } private decimal valueC; public decimal ValueC { get { valueC = ValueA - 50; return valueC; } set { valueC = value; PropertyChanged(this, new PropertyChangedEventArgs("ValueC")); } } #region INotifyPropertyChanged Members public event PropertyChangedEventHandler PropertyChanged; #endregion } After i add code to the set method of ValueA property, it works. public decimal ValueA { get { return valueA; } set { valueA = value; PropertyChanged(this, new PropertyChangedEventArgs("ValueA")); PropertyChanged(this, new PropertyChangedEventArgs("ValueB")); PropertyChanged(this, new PropertyChangedEventArgs("ValueC")); } } But I supposed it should be automatically refresh/updated for txtB and txtC. Please advise.

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