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  • Is this a situation where Qt Model/View architecture is not useful?

    - by csmithmaui
    Hi, I am writing a GUI based application where I read a string of values from serial port every few seconds and I need to display most of the values in some type graphical indicator(I was thinking of QprogressBar maybe) that displays the range and the value. Some of the other data that I am parsing from the string are the date and fault codes. Also, the data is hierarchical. I wanted to use the model/view architecture of Qt because I have been interested in MVC stuff for a while but have never quite wrapped my brain around how to implement it very well. As of now, I have subclassed QAbstractItemModel and in the model I read the serial port and wrap the items parsed from the string in a Tree data structure. I can view all of the data in a QtreeView with no issues. I have also began to subclass QAbstractItemView to build my custom view with all of the Graphical Indicators and such. This is where I am getting stuck. It seems to me that in order for me to design a view that knows how to display my custom model the view needs to know exactly how all of the data in the model is organized. Doesn't that defeat the purpose of Model/View? The QTreeView I tested the model with is basically just displaying the model as it is setup in the Tree structure but I don't want to do that because the data is not all of the same type. Is the type of data or the way you would like to present it to the user a determining factor in whether or not you should use this architecture? I always assumed it was just always better to design in an MVC style. It seems to me like it might have been better to just subclass QWidget and then read in from the serial port and update all of subwidgets(graphical indicators, labels, etc...) from the subclass. Essentially, do everything in one class. Does anybody understand this issue that can explain to me either what I am missing or why I shouldn't be doing it this way. As of now I am a little confused. Thanks so much for any help!

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  • Can I pass a querystring that translates to a List<int> on the server?

    - by Denis Hoctor
    Hi all, I'm writing a Google Maps app that requests data from the server using jQuery's $.ajax() to send the request to my MVC Contoller. This control expects a List for the category types. What should the querystring look like for this? I've tried http://localhost:9090/mapamenities?amenityTypes=1,5 http://localhost:9090/mapamenities?amenityTypes=[1,5] with no luck. The SearchRquest attribute I'm trying to bind to is public List AmenityTypes { get; set; } Thanks Denis

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  • String literals vs constants for Session[...] dictionary keys

    - by FreshCode
    Session[Constant] vs Session["String Literal"] Performance I'm retrieving user-specific data like ViewData["CartItems"] = Session["CartItems"]; with a string literal for keys on every request. Should I be using constants for this? If yes, how should I go about implementing frequently used string literals and will it significantly affect performance on a high-traffic site? Related question does not address ASP.NET MVC or Session.

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  • Why do i need PUT or DELETE Http Verbs ?

    - by Barbaros Alp
    After the release of MVC 2, i have started to check and play with the new features. But i couldnt understand that why do i need to use PUT or DELETE verbs ? I have searched about it and read some articles but i couldnt get it. What is the main purpose of DELETE and PUT (and do they have any advantages rather than using a GET or POST method) even though i can handle all of the requests with GET and POST...

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  • A potentially dangerous Request.Form value was detected from the client

    - by Dofs
    I am using CKEditor/CKFinder as wysiwyg editor on my MVC.NET site. I have set [ValidateInput(false)] and it works when debugging it locally, but I receive the following error when I have published the site: A potentially dangerous Request.Form value was detected from the client (message="<p> <em>Testing</e..."). can anyone explain why the published site is different from the locally site, especially when I have set [ValidateInput(false)]?

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  • How to implement Template Inheritance (like Django?) in PHP5

    - by anonymous coward
    Is there an existing good example, or how should one approach creating a basic Template system (thinking MVC) that supports "Template Inheritance" in PHP5? For an example of what I define as Template Inheritance, refer to the Django (a Python framework for web development) Templates documentation: http://docs.djangoproject.com/en/dev/topics/templates/#id1 I especially like the idea of PHP itself being the "template language", though it's not necessarily a requirement. If listing existing solutions that implement "Template Inheritance", please try to form answers as individual systems, for the benefit of 'popular vote'.

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  • Setting a under construction page for IIS6.

    - by Malcolm
    Hi, I have an .NET 1.1 web app and I am upgrading to ASP.NET MVC 1.0 app in IIS6. How do I put up a under construction page so uses see it? And secondly how can I install the new site and test under this scenario of having an under construction page?? Malcolm

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  • how close to excel ergonimics can you make jqgrid

    - by oo
    I have been looking through [this jqgrid documentation][1] and see the example: i wanted to see how close you can get to data entry that is close to excel like moving arrows keys changes selection supporting Copy and paste from one cell to another column fills for a particular value. Is this asking to much for the web? If its not possible, are there other third party asp.net mvc components that do have these capabilities.

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  • Customer Feedback Alternative to UserVoice?

    - by Ben Griswold
    We are currently hosting an ASP.NET MVC application and we wish to incorporate a turn-key customer feedback system. UserVoice will absolutely meet our needs, but we'd like to consider alternatives before moving forward. GetSatification appears to provide a similiar model. Are there any other service which we should consider as well?

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  • How to build a search engine in C#

    - by Kumar
    I am trying to build a web application in ASP.NET MVC and need build a pretty complex search feature. When a user enters a search term I want to search a variety of data sources which include documents, tables in the database, webpage urls and some APIs like facebook. Any tips, tutorials and hints would be greatly appreciated.

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  • use Jquery load to load content in adiv?

    - by Khalid Omar
    simply i'm doing a test i have a div called test and mvc action in the client controler the view and the controler public string testout() { return DateTime.Now.ToString(); } and i'm using jquery to update the div $("#B1").live("click", function() { $("#test").load("/client/testout"); return false; }); first time a click the bottun i see the date and time in the div test second time i click the botton nothing changed

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  • Style list of divs as 2 column layout with css

    - by Anders Svensson
    I'm trying out ASP.NET MVC 2 by going through the "NerdDinner" tutorial. But apparently version 2 of MVC doesn't create a Details page the same as in the tutorial, and you get divs with css classes on them to style. However, I want to get the style where each label is followed on the same line with the field, and I can't do it, I get them on top of each other, or if I try using floats weird things happen (probably because I don't know exactly how to use it in this situation, where every other div should be on the same line). Here's the generated html for the Details page: <fieldset> <legend>Fields</legend> <div> <div class="display-label">DinnerID</div> <div class="display-field"><%: Model.DinnerID %></div> <div class="display-label">Title</div> <div class="display-field"><%: Model.Title %></div> <div class="display-label">EventDate</div> <div class="display-field"><%: String.Format("{0:g}", Model.EventDate) %></div> <div class="display-label">Description</div> <div class="display-field"><%: Model.Description %></div> <div class="display-label">HostedBy</div> <div class="display-field"><%: Model.HostedBy %></div> <div class="display-label">ContactPhone</div> <div class="display-field"><%: Model.ContactPhone %></div> <div class="display-label">Address</div> <div class="display-field"><%: Model.Address %></div> <div class="display-label">Country</div> <div class="display-field"><%: Model.Country %></div> <div class="display-label">Latitude</div> <div class="display-field"><%: String.Format("{0:F}", Model.Latitude) %></div> <div class="display-label">Longitude</div> <div class="display-field"><%: String.Format("{0:F}", Model.Longitude) %></div> <div class="display-label">IsValid</div> <div class="display-field"><%: Model.IsValid %></div> </div> </fieldset> How do I get the display-label and display-field for each "entry" to appear on the same line?

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  • Getting Http 403.14 error

    - by alice7
    Hi Guys, I have a MVC project and trying to host my web site using IIS 7.0 on my local desktop. My desktop has Vista x64 bit machine. I m getting 403.14 error. I have already tried the microsoft suggeston, but that doesn't help me. Does anyone know any other solution? Thnx

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  • Where to store 3rd party libraries?

    - by zerkms
    I have asp.net mvc 2 application. Now I'm reimplementing it for working with Ninject. All is fine except one thing: where should I store Ninject.dll?? I've created lib directory inside my appdir and made reference to lib/Ninject.dll. But may be there are some general conventions on how to act in such cases?

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  • How to dynamically load aspx code from a database?

    - by labilbe
    I have content like this stored in a database <p>This a sample text. <%= Html.ActionLink("test", "myaction", "mycontroller") %></p> The content is part of my data repository, that is the reason I want to keep it inside the database. I would like to know how it is possible to render it and execute it at compile time. I am using it on an asp.net mvc project. Thank you.

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  • FormsAuthentication.SetAuthCookie in OnAuthorization of custom attribute

    - by Prasad
    I am trying to set an auth cookie in OnAuthorization of my custom attribute in asp.net mvc(C#) application. when the session expires(New Session), i am setting an auth cookie again to make it available until the users logout. I have used the following to set the auth cookie, //set forms auth cookie FormsAuthentication.SetAuthCookie(strUserName, true); But when i check HttpContext.User.Identity.IsAuthenticated, it returns false. How to set an auth cookie in OnAuthorization of custom attribute?

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  • Specificying a Page directive attribute on an NHaml page

    - by ManiacZX
    I am working on an MVC site using NHaml for the view engine. I have a page that needs to submit HTML code as a form value and am getting the System.Web.HttpRequestValidationException thrown at me. I want to specify the <%@ Page validateRequest="false" % so that this page will allow this data to be submitted but am unsure on how to do this with NHaml generating the pages.

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