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Articles indexed Friday May 7 2010

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  • Choosing gems to work with AWS

    - by Sergii Vozniuk
    Suppose a service written with RoR starts to use AWS S3 to store some data. What is the best library to use for working with AWS S3? Currently the main two alternatives for me are: RightScale AWS Ruby gems http://github.com/rightscale/right_aws AWS::s3 http://amazon.rubyforge.org/ What are their main advantages and disadvantages? What if later service will need to use other AWS (like EC2)? What other gems do you use and why? Thanks!

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  • Is it possible to add .NET code (sections) to a WordPress site?

    - by Jason
    Our shop is primarily .NET but because of the lack of any really good popular .NET CMS products, we have chosen to use WordPress (and Drupal at times) for our public facing sites. I realize this is highly subjective, but it is the conclusion we came to for our purposes. One could certainly make a case for DotNetNuke and others, but that is another conversation. I would like to know if I can integrate small components into WordPress sites, primarily to do simple forms (logon, lost password, contact us, change user settings, etc...) Can I do this with an iFrame or another method that I am not thinking about?

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  • errorPage directive works, but error-page in web.xml doesn't?

    - by danb
    I get jsp exceptions causing a forward to my error page when I put this at the top of my JSPs... <%@ page errorPage="/error.page" %> but when I try to do it globally with web.xml like so: <error-page> <exception-type>java.lang.Throwable</exception-type> <location>/error.page</location> </error-page> I just get a blank page... I've also tried putting /error.jsp in the location element.. but no love with that either.. I am triggering an exception with a jsp that just contains this: <%if(true)throw new RuntimeException("test exception");%> I do see the exception in the console from tomcat but I just can't get that error page to show without a directive on every jsp... am I missing something simple here?

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  • In Prism (CAL), how can I RegisterPresenterWithRegion instead of RegisterViewWithRegion

    - by Edward Tanguay
    I have a module in a Prism application and in its initialize method I want to register a presenter instead of a view with a region, i.e. I want to do this: PSEUDO-CODE: regionManager.RegisterPresenterWithRegion( "MainRegion", typeof(Presenters.EditCustomerPresenter)); instead of loading a view like this: regionManager.RegisterViewWithRegion( "MainRegion", typeof(Views.EditCustomerView)); The presenter would of course bring along its own view and ultimately register this view in the region, but it would allow me to bind the presenter to the view in the presenter's constructor instead of binding the two together in XAML (which is more of a decoupled MVVM pattern which I want to avoid here). How can I add a Presenter to a Region instead of a view? namespace Client.Modules.CustomerModule { [Module(ModuleName = "CustomerModule")] public class CustomerModule : IModule { private readonly IRegionManager regionManager; public CustomerModule(IRegionManager regionManager) { this.regionManager = regionManager; } public void Initialize() { regionManager.RegisterViewWithRegion("MainRegion", typeof(Views.EditCustomerView)); } } }

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  • slot booking problem

    - by pradeep
    Hi, I am making a doctor appointment slot booking mechanism,where in doctor appointment slots will be divided into 30 mins slot each...i have achieved all the working code.. 1 problem i am facing is that..this booking is made at 2 places i.e 2 receptions..so when 1 selects a slot(radio button) not yet confirmed and saved in DB.other reception must not be able to select .how do i do it.any help on this...how do i go abt it.

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  • paypal API in VB.net

    - by StealthRT
    Hey all, i have converted some C# PayPal API Code over to VB.net. I have added that code to a class within my project but i can not seem to access it: Imports System Imports com.paypal.sdk.services Imports com.paypal.sdk.profiles Imports com.paypal.sdk.util Namespace GenerateCodeNVP Public Class GetTransactionDetails Public Sub New() End Sub Public Function GetTransactionDetailsCode(ByVal transactionID As String) As String Dim caller As New NVPCallerServices() Dim profile As IAPIProfile = ProfileFactory.createSignatureAPIProfile() profile.APIUsername = "xxx" profile.APIPassword = "xxx" profile.APISignature = "xxx" profile.Environment = "sandbox" caller.APIProfile = profile Dim encoder As New NVPCodec() encoder("VERSION") = "51.0" encoder("METHOD") = "GetTransactionDetails" encoder("TRANSACTIONID") = transactionID Dim pStrrequestforNvp As String = encoder.Encode() Dim pStresponsenvp As String = caller.[Call](pStrrequestforNvp) Dim decoder As New NVPCodec() decoder.Decode(pStresponsenvp) Return decoder("ACK") End Function End Class End Namespace I am using this to access that class: Private Sub cmdGetTransDetail_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdGetTransDetail.Click Dim thereturn As String thereturn =GetTransactionDetailsCode("test51322") End Sub But it keeps telling me: Error 2 Name 'GetTransactionDetailsCode' is not declared. I'm new at calling classes in VB.net so any help would be great! :o) David

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  • Why is the dictionary debug visualizer less useful in Visual Studio 2010 for Silverlight debugging?

    - by Kevin
    I was debugging in Visual Studio 2010, which we just installed and trying to look at a dictionary in the quick watch window. I see Keys and Values, but drilling into those shows the Count and Non-Public members, Non-Public members continues the trail and I never see the values in the dictionary. I can run test.Take(10) and see the values, but why should I have to do that. I don't have VS 2008 installed anymore to compare, but it seems that I could debug a dictionary much easier. Why is it this way now? Is it just a setting I set somehow on my machine? Test code: Dictionary<string, string> test = new Dictionary<string, string>(); test.Add("a", "b"); EDIT: I've just tried the same debug in a Console app and it works as expected. The other project is a Silverlight 4 application, why are they different? Console Debug Screen Shot Silverlight 4 Debug Screen Shot:

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  • .NET: Wrinting DataAccess dll

    - by RedsDevils
    I would like to write all data relations processes (general functions regarding with DataAccess via .NET) in dll and I wanna use it repeatedly. What kinds of functions should have in that dll? Some want to use Storedprocedures , Some with Statemets. Can you all suggest me? Please guide me! Thanks all!

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  • Need a hardware solution for remote controling a PC

    - by ShacharWeis
    Hello We have kiosk computers scattered around the country, and are using VNC to control them. But VNC has limitations (only works if the OS is intact, for instance). I want to be able to control the computer even if it is stuck in boot. Is there a cheap hardware solution for remote controlling a PC ? Thanks.

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  • qtcreator keyboard problem: azerty/qwerty

    - by Allen
    I picked up the qt SDK and I've been trying it out. I'm working in English but I have a French AZERTY keyboard. When I run Qt Designer all is fine. When I run Qt Creator or Qt Designer from within Qt Creator things work as though I had a QWERTY keyboard, so I have to hit the "q" key to get an "a", etc. Qt Creator is version 1.3.1 and it is using Qt 4.6.2. My PC is running XP. What is going on and what is to be done? Any ideas? Editing a program in this setup is, of course, impossible! Luckily I discovered I can use an external editor, so I can use xemacs, which would be my first choice anyway, but this keyboard problem is a real nuisance! Thanks.

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  • MacBook repeatedly disconnects from WiFi

    - by redwall_hp
    I have an early 2008-model MacBook (2.4GHz). The WiFi router I have at home is a Linksys WRT54GX2 that I have had for a few years. My MacBook has recently started disconnecting from the router every few minutes, which is rather annoying. I can reconnect again without having to restart the router or anything, as it seems that the MacBook is just dropping the connection. I have tried changing the channel on the router, and upgrading the laptop from Leopard to Snow Leopard made no difference either. I'm only about six feet from the linksys device, so distance isn't an issue. This only happens with the Linksys router, while I can use the local library's open network without issue. The problem also seemingly becomes more pronounced after midnight. Any ideas as to what the problem could be?

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  • Durable laptop power adapter?

    - by snitzr
    I'm on my third power adapter for my HP Pavilion dv4-1435dx in less than one year. I'm not abusing them. I used Mac laptops for 10 years (before needing to switch to a PC) without a problem. I tried a Targus universal power adapter, but it wouldn't charge my PC, it worked fine on another laptop http://www.targus.com/us/product_details.aspx?sku=APA6911US Any suggestion for a more durable and reliable power adapter?

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  • Dual-bootable Virtual Machine

    - by ojrac
    My work computer is a Linux desktop with a Windows 7 virtual machine for Visual Studio and IE testing. I'm very picky, and I don't want to configure two Windows installs... but I can't think of a way to do this without running afoul of Windows activation. I've already set up VirtualBox to run my VM off a physical hard drive, and grub isn't too hard to configure. But it'd be a waste of time without solving the activation problem. Is there any way I can boot into a single install of Windows as a virtual machine and on actual hardware without having to reactivate (until I'm eventually flagged as a pirate) every time I switch between the two? Is there any MS-endorsed way to use a single installed license with two sets of hardware?

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  • Who Are the BI Users in Your Neighborhood?

    - by [email protected]
    By Brian Dayton on March 19, 2010 10:52 PM Forrester's Boris Evelson recently wrote a blog titled "Who are the BI Personas?" that I enjoyed for a number of reasons. It's a quick read, easy to grasp and (refreshingly) focuses on the users of technology VS the technology. As Evelson admits, he meant to keep the reference chart at a high-level because there are too many different permutations and additional sub-categories to make such a chart useful. For me, I wouldn't head into the technical permutations but more the contextual use of BI and the issues that users experience. My thoughts brought up more questions than answers such as: Context: - HOW: With the exception of the "Power User" persona--likely some sort of business or operations analyst? - WHEN: Are they using the information to make real-time decisions on the front lines (a customer service manager or shipping/logistics VP) or are they using this information for cumulative analysis and business planning? Or both? - WHERE: What areas of the business are more or less likely to rely on BI across an organization? Human Resources, Operations, Facilities, Finance--- and why are some more prone to use data-driven analysis than others? Issues: - DELAYS & DRAG ON IT?: One of the persona characteristics Evelson calls out is a reliance on IT. Every persona except for the "Power User" has a heavy reliance on IT for support. What business issues or delays does that cause to users? What is the drag on IT resources who could potentially be creating instead of reporting? - HOW MANY CLICKS: If BI is being used within the context of a transaction (sales manager looking for upsell opportunities as an example) is that person getting the information within the context of that action or transaction? Or are they minimizing screens, logging into another application or reporting tool, running queries, etc.? Who are the BI Users in your neighborhood or line of business? Do Evelson's personas resonate--and do the tools that he calls out (he refers to it as "BI Style") resonate with what your personas have or need? Finally, I'm very interested if BI use is viewed as a bolt-on...or an integrated part of your daily enterprise processes?

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  • Shall I bother with QT?

    - by smallb
    Guys I study C++ for a second year. Till now I was doing only console app but I think it's a time to start programming in Windows. There are few alternatives and Qt is one of them but I'm also drawn towards pure Windows API - for more power of course. What would you suggest?

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  • Instead of buying VS 2010 what options will you use for .net development in the future?

    - by Eric Neunaber
    Given the recent release of VS 2010 I was shocked to see the pricing structure for the different versions of the product. I was lucky enough to receive free versions of VS 2005 and 2008 from attending various MS events. For the hacking I do at home I'm not sure I'm going to spend the money to purchase the IDE and wanted to see what others were using. Like SharpDevelop MonoDevelop Expess Editions

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  • ASP.NET MVC CHECKBOXES PROBLEM

    - by mazhar
    CONTROLLER public ActionResult Index() { GroupRepository grouprepository = new GroupRepository(); ViewData["Group"] = grouprepository.FindGroups(); return View(); } <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage" % <% foreach (Group i in ViewData["Group"] as List) { % " checked="checked" / <% } % The thing is that it is not able to find group id and displaying the following error. What is the solution? CS1061: 'System.Text.RegularExpressions.Group' does not contain a definition for 'int_GroupId' and no extension method 'int_GroupId' accepting a first argument of type 'System.Text.RegularExpressions.Group' could be found (are you missing a using directive or an assembly reference?)

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  • Clipping the caret in a C# program

    - by Bob Sammers
    I'm creating a WinForms control in C# (using VS2008, .net 3.5) which allows text input. I've imported the necessary Win32 API functions from User32.dll for displaying the normal Windows caret and these are all working fine, but it's not displaying exactly how I'd like it. Text is displayed on the control with a blank border and I use Graphics.SetClip() to leave this margin clear. I want the caret to be clipped to the same region, but since I don't paint it and there's no obvious API function to set a clipping region, I can't see any way of doing this. Have I missed anything obvious? The caret is clipped inside the control in which it is drawn. I'm therefore aware that one solution could be to place the text in a separate sub-control with no border. However, if there's a simpler way than redesigning this part of the control, I'd like to look for that first. Thanks in advance for any help!

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  • SimpleDB direct client access

    - by AlexJReid
    One of the useful things about S3 for content storage is that a client can directly make a direct HTTP request to download the object. For instance, this is how Twitter serve up avatar images. SimpleDB provides an HTTP interface to data. Rather than having to write a proxy that sits inbetween SimpleDB and the client, is it possible for client software (i.e. desktop, mobile) to make calls to read values from a SimpleDB domain, without sharing credentials that shouldn't be shared? Or is a proxy in-between the only way to go?

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  • How to use parallel execution in a shell script?

    - by eSKay
    I have a C shell script that does something like this: #!/bin/csh gcc example.c -o ex gcc combine.c -o combine ex file1 r1 <-- 1 ex file2 r2 <-- 2 ex file3 r3 <-- 3 #... many more like the above combine r1 r2 r3 final \rm r1 r2 r3 Is there some way I can make lines 1, 2 and 3 run in parallel instead of one after the another?

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  • Codeigniter: simple form function

    - by Kevin Brown
    I'm stuck writing a simple form...I feel dumb. Here's my controller: function welcome_message(){ //Update welcome message $id = $this->session->userdata('id'); $profile['welcome_message'] = $this->input->post('welcome_message'); $this->db->update('be_user_profiles',$profile, array('user_id' => $id)); } And the html: <?php print form_open('home/welcome_message')?> <input type="checkbox" value="0" checked="false">Don't show me this again</input> <p> <input class="button submit" type="submit" class="close-box" value="Close" /> </p> <?php print form_close()?> Edit I simply need it to submit to a private function and return to the home page (page submitted from).

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  • Add PRISM Region Manager In Existing Navigation Window

    - by Nate Noonen
    We have a "legacy" WPF applicaton that is based on a NavigationWindow. The NavigationWindow has a fairly large ControlTemplate that houses a ContentPresenter as so: <ControlTemplate> ....snip... <ContentPresenter x:Name="PART_NavWinCP" VerticalAlignment="Stretch" HorizontalAlignment="Stretch"/> .....snip.... </ControlTemplate> What we want to do is use that ContentPresenter as the first tab and dynamically add other tabs at run time. Like this: <ControlTemplate> ....snip... <TabControl Background="Transparent" cal:RegionManager.RegionName="MainRegion" Grid.ColumnSpan="2" VerticalAlignment="Stretch" HorizontalAlignment="Stretch"> <TabItem Header="Nav Window Content"> <ContentPresenter x:Name="PART_NavWinCP" VerticalAlignment="Stretch" HorizontalAlignment="Stretch"/> </TabItem> </TabControl> .....snip.... </ControlTemplate> Then our Modules grab the RegionName and insert their content dynamically. The issue seems to be that the PRISM region manager doesn't like that our code is in a ContentTemplate and cannot resolve the region. I have tried updating the RegionManager, adding the Region dynamically, just having a root tab control without the ContentPresenter, but I cannot get this to work. Any ideas?

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