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  • When should I use a UserControl instead of a Page?

    - by dthrasher
    I notice that many of the WPF MVVM frameworks seem to avoid using the NavigationWindow and Page controls in favor of composing pages using nested UserControls. The NavigationWindow and Page provide easy ways to enable back and forward navigation in the journal as well as providing an easy way to pass data among pages. Most MVVM frameworks I've seen re-implement these features in various ways. Is there a specific reason to avoid using NavigationWindow and Page?

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  • How are you using IronPython?

    - by Will Dean
    I'm keen to drink some modern dynamic language koolaid, so I've believed all the stuff on Michael Foord's blog and podcasts, I've bought his book (and read some of it), and I added an embedded IPy runtime to a large existing app a year or so ago (though that was for someone else and I didn't really use it myself). Now I need to do some fairly simple code generation stuff, where I'm going to call a few methods on a few .net objects (custom, C#-authored objects), create a few strings, write some files, etc. The experience of trying this leaves me feeling like the little boy who thinks he's the only one who can see that The Emperor has no clothes on. If you're using IronPython, I'd really appreciate knowing how you deal with the following aspects of it: Code editing - do you use the .NET framework without Intellisense? Refactoring - I know a load of 'refactoring' is about working around language-related busywork, so if Python is sufficiently lightweight then we won't need that, But things like renames seem to me to be essential to iteratively developing quality code regardless of language. Crippling startup time - One of the things which is supposed to be good about interpreted languages is the lack of compile time leading to fast interactive development. Unfortunately I can compile a C# application and launch it quicker than IPy can start up. Interactive hacking - the IPy console/repl is supposed to be good for this, but I haven't found a good way to take the code you've interactively arrived at and persist it into a file - cut and paste from the console is fairly miserable. And the console seems to hold references to .NET assemblies you've imported, so you have to quit it and restart it if you're working on the C# stuff as well. Hacking on C# in something like LinqPad seems a much faster and easier way to try things out (and has proper Intellisense). Do you use the console? Debugging - what's the story here? I know someone on the IPy team is working on a command-line hobby-project, but let's just say I'm not immediately attracted to a command line debugger. I don't really need a debugger from little Python scripts, but I would if I were to use IPy for scripting unit tests, for example. Unit testing - I can see that dynamic languages could be great for this, but is there any IDE test-runner integration (like for Resharper, etc). The Foord book has a chapter about this, which I'll admit I have not yet read properly, but it does seem to involve driving a console-mode test-runner from the command prompt, which feels to be an enormous step back from using an integrated test runner like TestDriven.net or Resharper. I really want to believe in this stuff, so I am still working on the assumption that I've missed something. I would really like to know how other people are dealing with IPy, particularly if they're doing it in a way which doesn't feel like we've just lost 15 years'-worth of tool development.

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  • Is DxScene the "WPF for Delphi"? Anyone used it?

    - by André Mussche
    I am playing with DxScene and VxScene: http://www.ksdev.com/dxscene/index.html It looks very nice and powerful: 3d accelerated vector graphics, cross plaform, nice effects, many 2d GUI controls (vector based), good scaling, transparency, rotating (x, y, z), 3d models, etc. Even with many effects, the CPU stays very low (0%)! http://www.ksdev.com/dxscene/snapshot/screen0.jpeg But can it be seen as a good WPF alternative for Delphi? And does anyone use it instead of normal Delphi VCL?

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  • Arguments for moving from LINQtoSQL to Nhibernate?

    - by sah302
    Backstory: Hi all, I just spent a lot of time reading many of the LINQ vs Nhibernate threads here and on other sites. I work in a small development team of 4 people and we don't even have really any super experienced developers. We work for a small company that has a lot of technical needs but not enough developers to implement them (and hiring more is out of the question right now). Typically our projects (which individually are fairly small) have been coded separately and weren't really layered in anyway, code wasn't re-used, no class libraries, and we just use the LINQtoSQL .dbml files for our pojects, we really don't even use objects but pass around values and stuff, the only time we use objects is when inserting to a database (heck not even querying since you don't need to assign it to a type and can just bind to gridview). Despite all this as I said our company has a lot of technical needs, no one could come to us for a year and we would have plenty of work to implement requested features. Well I have decided to change that a bit first by creating class libraries and actually adding layers to our applications. I am trying to meet these guys halfway by still using LINQtoSQL as the ORM yet and still use VB as the language. However I am finding it a b***h of a time dealing with so many thing in LINQtoSQL that I found easy in Nhibernate (automatic handling of the session, criteria creation easier than expression trees, generic an dynamic querying easier etc.) So... Question: How can I convince my lead developers and other senior programmers that switching to Nhibernate is a good thing? That being in control of our domain objects is a good thing? That being able to implement interfaces is a good? I've tried exlpaining the advantages of this before but it's not understood by them because they've never programmed in a true OO & layered way. Also one of the counter arguments to this I can see is sqlMetal generates those classes automatically and therefore it saves a lot of time. I can't really counter that other than saying spending more time on infrastructure to make it more scalable and flexible is good, but they can't see how. Again, I know the features and advantages (somewhat enough I believe) of each, but I need arguments applicable to my context, hence why I provided the context. I just am not a very good arguer I guess. (Caveat: For all the LINQtoSQL lovers, I may just not be super proficient as LINQ, but I find it very cumbersome that you are required to download some extra library for dynamic queries which don't by default support guid comparisons, and I also find the way of updating entitites to be cumbersome as well in terms of data context managing, so it could just be that I suck hehe.)

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  • In-browser HTML editor for tables?

    - by piquadrat
    I'm developing a website that publishes scientific articles, not as PDF but as HTML. As a input tool for the editorial team, we use TinyMCE for normal text plus a couple of custom plugins for footnotes and citations. But we are not really happy with TinyMCEs table controls. Everything but the most simple tables take way to long to write. Are there any specialized table editing tools for the browser out there?

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  • Trying to setup a PHP daemon using System_Daemon and I'm having issues getting it to run.

    - by mike
    I get the following error when trying to start a daemon using Ubuntu 10.04 and the PHP5: PHP Warning: PHP Startup: Unable to load dynamic library 'usr/lib/php5/20060613/pcntl.so' - /usr/lib/php5/20060613/pcntl.so: cannot open shared object file: No such file or directory in Unknown on line 0 Does System_Daemon try to call pcntl? If so, why is it looking for the file where it does not exist?

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  • Get width of a single character from ttf-font in php?

    - by Martti Laine
    Hello I'm creating an dynamic image, which creates headers on my page using PHPs GD-library. The problem is, that I need a line-wrapping system. It's not a problem itself, but first I need to get the width (in pixels) of current character. I'm pretty curious about this, is there any way? Or do I need to manually specify width of every abc? Martti Laine

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  • Game engine with python scripting?

    - by Kayle
    Looking to put together a 3D side-scrolling action platformer. Since this is my first time trying to put together a non-simple adventure game, I'm at a loss for which engine to consider. I would prefer one that supports scripting in python, since that's my primary language. Without tight controls, the game will suck... so speed is a priority. Cross-platform is also important to me. Any suggestions?

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  • What programming language should I use to create small, native Windows Applications?

    - by Xinxua
    I want to develop an application that runs on any Windows platform (Windows XP, Vista, or Windows 7) but does not require a dependency like the .NET Framework or JVM. I have given the other requirements below: Runs in any windows platform Must have GUI libraries to create windows/primitive controls The output .exe should also be very small, which negates the use of the .NET Framework. Any suggestions for this requirement?

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  • Cannot create the Silverlight ASP.NET website in Visual Studio 2008 Web Developer edition

    - by BALAMURUGAN
    I need to create a ASp.net website with silverlight controls. I am having only express editions of 2008 (Web developer edition and C# express editions). I have created the WPF application sing C# expression and create the new XAML files. Then I have created asp.net website in web developer edition and linked the xaml files with the . But nothing works. Note: I have not silverlight application project types and templates in Visual Studio 2008 web developer edition.

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  • How can I do a clean Mod_Rewrite that hides the variable numbers passed in the query string but just

    - by Jay Bee
    Hi, I have been developing web applications for a while now. My applications have been fairing poorly in search engine results because of the dynamic links that my websites generate. I admire the way some developers do their mod_rewrite to produce something like: http://www.mycompany.com/accommodation/europe/ to run a substitute of "index.php?category_id=2&country=23" How can I achieve that in my urls? Warm regards, JB

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  • Where to find good examples or Templates for Configuration Management Plans?

    - by Geo
    Documentation is not the favorite area of a developer but an important area to fulfill if you want to have standards in the organization. We are trying to put together a new Configuratio Mgmt Plan to setup Change Controls, Backups strategies and other fun things, like the process from development, staging to production. I will like to have your opinions on good examples or probably a good start for CMP process.

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  • Using jQuery validation plugin with tabbed navigation

    - by user3438917
    I have a tabbed navigation wizard, for which the first section needs to be validated before proceeding to the next tab. The validation should trigger when the user hits the "next" button. I am unable to get the validation to trigger though: <form id="target-group" novalidate="novalidate"> <div class="box"> <div class='box-header-main'><h2><img src="assets/img/list.png" /> Target Group Information</h2></div> <br /> <div class='box'> <div class='box-header-property'><h2><span data-bind="text:Name">New Target Group</span> | <i class='fa fa-file'></i></h2></div> <br /> <div class='row'> <div id='flight-wizard'> <div id='content' class='col-lg-12'> <div class='col-lg-12'> <div id='tabs'> <ul> <li id="targetgroup-info-tab"><a href='#tabs-1'><i class="fa fa-info-circle"></i>Target Group Info</a></li> <li id="zone-tab"><a href='#tabs-2'><i class="fa fa-map-marker"></i>Zones</a></li> </ul> <div id='tabs-1'> <div class='row'> <div class='col-xs-6'> <div class='form-group'> Name<sup>*</sup> <input id="selectError0" name="name" class='form-control col-xs-12' data-bind="value: asdf" placeholder='Enter Name ...' /> </div> <form class='form-horizontal'> <div class='form-group'> Product(s)<sup>*</sup> <div class='controls' id='products'> <select id='selectError3' class='form-control' data-bind="options:test, optionsText: 'Name', optionsValue : 'test', value: test, optionsCaption: 'Choose Product...'"></select> </div> </div> </form> </div> <!--RIGHT PANE--> <div class='col-xs-6'> <div class='form-group'> Platform<sup>*</sup> <div class='controls'> <select id="selectError2" class='form-control' data-bind="options:test, optionsText: 'Name', optionsValue: 'test', value : test, optionsCaption: 'Choose Platform...'"></select> </div> </div> <form class='form-horizontal'> <div class='form-group'> AdTypes(s)<sup>*</sup> <div class='controls' id='adtypes'> <select multiple="" id='adtypesselect' class='form-control' data-rel="chosen" data-bind="options:test, optionsText: 'Name', optionsValue : 'test', selectedOptions: test, optionsCaption: 'test...'"></select> </div> </div> </form> <button id="btn_cancel_large" class='btn btn-large btn-primary btn-round'><i class='fa fa-ban' /></i> Cancel</button> <button id="btn-next-large" class='btn btn-large btn-primary btn-round'>Next <i class='fa fa-arrow-circle-right'></i></button> </div> <!--end of right pane--> </div> </div> <div id='tabs-2'> <div class='row'> <div class='col-lg-12'> <div class='row'> <div class='col-lg-12'> <div id='zones_list' class='box-content'> <div id='add-new-targetgroupzone' class='add-new'><i class='fa fa-plus-circle'></i><a href='/#/inventory/targeting/' onclick="return false;">Add Zone</a></div> <table id="results" width="100%"> <thead> <tr> <th>Publisher</th> <th>Property</th> <th>Zone</th> <th>AdTypes</th> <th width='10%'>Quick&nbsp;Actions</th> </tr> </thead> </table> </div> </div> </div> </div> </div> <br /> <div class="btn_row"> <button id="btn_cancel_large2" class='btn btn-large btn-primary btn-round'><i class='fa fa-ban' /></i> Cancel</button> <button id="btn-submit-large" class='btn btn-large btn-primary btn-round'>Submit <i class='fa fa-arrow-circle-down'></i></button> </div> </div> </div> </div> </div> </div> </div> </div> </div> </form> <form id="zones-form" style="display: none;" novalidate="novalidate" class="slideup-form"> <div class="box"> <div class="box-header-panel"> <h2>Add Target Group Zone</h2> <div class="box-icon" id="zones-form-close"> <i class="fa fa-arrow-circle-down"></i> </div> </div> <div class="box-content clearfix"> <div class="box-content"> <table id="zones-list" width="100%"> <thead> <tr> <th>Publisher</th> <th>Property</th> <th>Zone</th> <th>AdTypes</th> <th width='10%'>Quick&nbsp;Actions</th> </tr> </thead> </table> </div> </div> </div> </div> </form> jQuery: $("#target-group").validate({ rules: { name: { required: true } }, messages: { name: "Name required", } }); $('#btn-next-large').click(function () { if ($('#target-group').valid()) $tabs.tabs('select', $(this).attr("rel")); });

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  • Background video flash api that can also do html5

    - by Mark
    I'm looking for a way to play flash videos in the background, without controls (yes legitimate reason), and a js api to start/stop the videos easily, like: video1.stop(); or $("div.all-videos").start(); Basically, I'm looking for http://www.happyworm.com/jquery/jplayer/ for video. Soundmanager is basically what I need on the flash side, but it has no html5 support. Is there a flash player that video player that does have html5 video support. Thanks.

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  • ASP.NET - Trailing Slash and Tilde

    - by Echilon
    I've found what seems like a bizarre problem with IIS 6.0 and .NET 3.5. I always use the tilde for all URLs (eg: ~/mypage.aspx) so if I go to mydomain.com/mypage.aspx, everything works fine. If, however, I add a trailing slash and go to mydomain.com/mypage.aspx/, all links on the page which use the tilde get rendered as mydomain.com/mypage.aspx/otherpage.aspx instead of mydomain.com/otherpage.aspx. This happens with all controls. Has anyone had this issue before?

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  • dynamically generated pageview issue

    - by user203127
    hi, I have created dynamic tab function. When i create dynamic tab it will create pageview for that tab. But when i deleted that tab that pageview is not deleting. Can any one help me to fix this. using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using Telerik.WebControls; using Telerik; public partial class Radstrip2 : System.Web.UI.Page { protected System.Web.UI.WebControls.Label PageContent; protected System.Web.UI.WebControls.Repeater BuildingSummary; protected Telerik.WebControls.PageView PageView1; protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { Tab tab = new Tab(); tab.Text = string.Format("New Page {0}", 1); RadTabStrip1.Tabs.Add(tab); PageView pageView = new PageView(); RadMultiPage1.PageViews.Add(pageView); BuildPageViewContents(pageView, RadTabStrip1.Tabs.Count); RadTabStrip1.SelectedIndex = 0; } } private void BuildPageViewContents(PageView pageView, int index) { pageView.ID = "Page " + index.ToString(); pageView.Controls.Add(new LiteralControl(" <B>New page</B>" + (index).ToString())); } protected void Button1_Click(object sender, EventArgs e) { Tab tab = new Tab(); tab.Text = string.Format("New Page {0}", RadTabStrip1.Tabs.Count + 1); RadTabStrip1.Tabs.Add(tab); PageView pageView = new PageView(); pageView.ID = "Page " + pageView.Index.ToString(); RadMultiPage1.PageViews.Add(pageView); BuildPageViewContents(pageView, RadTabStrip1.Tabs.Count); RadTabStrip1.SelectedIndex = RadTabStrip1.SelectedIndex + 1; RadMultiPage1.SelectedIndex = RadTabStrip1.SelectedIndex; } protected void Button2_Click(object sender, EventArgs e) { Tab currentTab = RadTabStrip1.InnerMostSelectedTab; if (currentTab != null) { ITabContainer owner = currentTab.Owner; owner.Tabs.Remove(currentTab); //RadMultiPage1.PageViews.Remove(currentTab.PageView); if (owner.Tabs.Count > 0) { owner.SelectedIndex = 0; } } } protected void RadMultiPage1_PageViewItemCreated1(PageView view, int viewIndex) { BuildPageViewContents(view, viewIndex + 1); } }

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  • ASP.NET MVC users - do you miss anything from WebForms?

    - by Richard Ev
    There are lots of articles and discussions about the differences between ASP.NET WebForms and ASP.NET MVC that compare the relative merits of the two frameworks. I have a different question for anyone who has experience using WebForms that has since moved to MVC: What is the number one thing that WebForms had, that MVC doesn't, that you really miss? Edit No-one has mentioned the WebForms validation controls. I am now working on some code that has a few dependant validation rules and implementing client-side validation for these is proving slow.

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  • ASP.Net ViewState doesn't work when Control become Enable=False

    - by Daok
    Why when a control does contain value but it's set to .Enable=False that all controls become disable (that's ok) but why that the ViewState doesn't retain the data on the next post back? If I get the UserControl without modifing its Enable state, the ViewState work between post back. How can we disable a UserControl that all its control become disable (this part work) but all of them KEEP use the ViewState (this doesn't work)?

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  • File upload in asp.net mvc using ajax

    - by Maxim
    Hello! i have a simple html form with two controls: input-text and input-file i need to write an ajax query (using jquery is better) to send data (file and value from text field to mvc acton) i wrote $.ajax({ type: "POST", url: "/controller/acton", enctype: 'multipart/form-data', data: 'text=' + $("#text").val() + '&file=' + $("#file").val() ... and in controller: [HttpPost] public ActionResult StoreItem(FormCollection forms) { foreach (string inputTagName in Request.Files) ... returns null in Request... Thank you

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  • Noob LINQ - reading, filtering XML with XDocument

    - by user316117
    I'm just learning XDocument and LINQ queries. Here's some simple XML (which doesn't look formatted exactly right in this forum in my browser, but you get the idea . . .) <?xml version="1.0" encoding="utf-8"?> <quiz xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.example.com/name XMLFile2.xsd" title="MyQuiz1"> <q_a> <q_a_num>1</q_a_num> <q_>Here is question 1</q_> <_a>Here is the answer to 1</_a> </q_a> <q_a> <q_a_num>2</q_a_num> <q_>Here is question 2</q_> <_a>Here is the answer to 2</_a> </q_a> </quiz> I can iterate across all elements in my XML file and display their Name, Value, and NodeType in a ListBox like this, no problem: XDocument doc = XDocument.Load(sPath); IEnumerable<XElement> elems = doc.Descendants(); IEnumerable<XElement> elem_list = from elem in elems select elem; foreach (XElement element in elem_list) { String str0 = "Name = " + element.Name.ToString() + ", Value = " + element.Value.ToString() + ", Nodetype = " + element.NodeType.ToString(); System.Windows.Controls.Label strLabel = new System.Windows.Controls.Label(); strLabel.Content = str0; listBox1.Items.Add(strLabel); } ...but now I want to add a "where" clause to my query so that I only select elements with a certain name (e.g., "qa") but my element list comes up empty. I tried . . . IEnumerable<XElement> elem_list = from elem in elems where elem.Name.ToString() == "qa" select elem; Could someone please explain what I'm doing wrong? (and in general are there some good tips for debugging Queries?) Thanks in advance!

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  • Flex: Using NumericStepper as an itemEditor in a DataGrid

    - by AlexH
    I am trying to make one field in a datagrid editable with a numeric stepper. My current attempts look like they are working, but the dataProvider is not actually being changed. Based on what I have read in a billion different places, the syntax should be < mx:DataGridColumn dataField="a" itemRenderer="mx.controls.NumericStepper" rendererIsEditor="true" editorDataField="value" / > I have tried several variations on this theme, and nothing seems to work. What am I missing?

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