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• Innovative seminar topic

  - by sijith

  Hi, I don't know whether its the right place to ask this question. I want some good seminar topic which suits for a cooperate culture company. I need topic either in management side or technical side which is innovative and interesting which gives much interest to employees

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• Using MicrosoftReportViewer with Web Forms programmatically

  - by user283897

  Hi, I'm repeating my question because the prior one under this topic was lost. Could you please help me? I want to use MicrosoftReportViewer for Web Forms so that the DataSource be set programmatically. There is some sample code on the Internet for Windows Forms but I haven't found anything for Web Forms. For example, here is some code I've tried to use. It gives no errors but nothing is displayed. How should I modify the code to display a table in the ReportViewer? Imports System.Data Imports Microsoft.Reporting.WebForms Partial Class TestReportViewer Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load CreateReport() End Sub Sub CreateReport() Dim dt As DataTable Dim rpt As ReportDataSource dt = New DataTable("Sample") With dt .Columns.Add("No", GetType(Integer)) .Columns.Add("Name") .Rows.Add(1, "A1") .Rows.Add(2, "A2") .Rows.Add(3, "A3") .Rows.Add(4, "A4") .AcceptChanges() End With rpt = New ReportDataSource rpt.DataMember = "Sample" rpt.Value = dt rpt.Name = "test" With ReportViewer1 .LocalReport.DataSources.Add(rpt) .DataBind() .LocalReport.Refresh() End With End Sub End Class

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• Lock web app only work for intranet

  - by justjoe

  some week in the future i will have job to create php web app that will work as billing process. As the client and my team agree upon, the web app will only deploy in their internal server. This need arose some fundamental questions for myself. how do we lock the web app really really will work only in internal server and not in internet as it asked ? cause this need, the cost for the job have been cut into some degree. so it will be best if it only work as client describe it : it will be deploy in intranet an intranet only What is the pro and cons deploy php application only (with all of its apache server )in intranet ? What is the fundamental different between deploying php app in intranet environment and in internet ? is there anything to be consider ? I know we can put windows in to a flash-disk or pen-disk. i there any autorun apache/php server that work in the same fashion ?

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• What Is Utility Services ?

  - by query_bug

  Hai, I need some information about Utility Services Layer. Can someone Please help me in getting information on that as I am supposed to give a presentation on Utility Services Layer. Thanks in advance...

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• Copying web part pages within SharePoint

  - by Jasper

  Hi, I'm trying to copy some web part pages (aspx) from one library into another. Reason is that I've got sites which are created dynamiccally. I also want to add some content (based on several rules) to those sites, which include aspx web part pages. The deployment works fine, but the web part pages are empty in the target site. As I've read in several blog posts, this has something to do with the ghosting of the files. Is there a way to literally copy all of the content in the ASPX to the site? The webparts aren't site or feature dependant, so the pages should work on every site. When I copy the pages with SPD, it works fine, but I don't understand how SPD does this.

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• Sharepoint connected web parts question

  - by philj

  I have one web part (the provider) which displays insurance claims in a gridview. When user clicks on one this value(case number) is passed via IWebPartField interface to another web part(consumer) which displays detailed info about the claim. So far so good. I can select different claims in the provider and the details show up in the consumer just fine. The moment I add a TextBox to the consumer, the consumer no longer recognizes the case number passed. I need the user to be able to enter a value in the textbox and click a button to update that claim info. I can debug and attach to process and it looks like it is getting the case in the callback function, etc, but when it is setting parameters for the stored proc in CreateChildControls, it is null. Comment out the TextBox and it works fine. Any clues as to what is going on? Brand new to Sharepoint web parts...any help appreciated! thanks, PhilJ

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• What happens when a computer program runs?

  - by gaijinco

  I know the general theory but I can't fit in the details. I know that a program resides in the secondary memory of a computer. Once the program begins execution it is entirely copied to the RAM. Then the processor retrive a few instructions (it depends on the size of the bus) at a time, puts them in registers and executes them. I also know that a computer program uses two kinds of memory: stack and heap, which are also part of the primary memory of the computer. The stack is used for non-dynamic memory, and the heap for dynamic memory (for example, everything related to the new operator in C++) What I can't understand is how those two things connect. At what point is the stack used for the execution of the instructions? Instructions go from the RAM, to the stack, to the registers?

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• Neccessity of push and pop operands on CPUs

  - by Hawken

  Why do we have commands like push and pop? From what I understand pop and push are basically the same as doing a (mov then add) and (sub then mov) on esp respectively. For example wouldn't: pushl %eax be equivalent to: subl $4, %esp movl %eax, (%esp-4) please correct me if stack access is not (%esp-4), I'm still learning assembly The only true benefit I can see is if doing both operation simultaneously offers some advantage; however I don't see how it could.

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• Using the framework of the problems encountered SharpArch

  - by livebean

  I try to test SharpArch frame, directly in the provided example code to write some code to add test data, but unsuccessful, do not have any information to me! ICustomerRepository customerRepository = new CustomerRepository(); Customer customer = new Customer("Jack Chen"); customer.SetAssignedIdTo("JACKK"); customerRepository.Save(customer); I just had an instance of CustomerRepository operation, do not understand why there is no new data on the data table

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• Java, Massive message processing with queue manager (trading)

  - by Ronny

  Hello, I would like to design a simple application (without j2ee and jms) that can process massive amount of messages (like in trading systems) I have created a service that can receive messages and place them in a queue to so that the system won't stuck when overloaded. Then I created a service (QueueService) that wraps the queue and has a pop method that pops out a message from the queue and if there is no messages returns null, this method is marked as "synchronized" for the next step. I have created a class that knows how process the message (MessageHandler) and another class that can "listen" for messages in a new thread (MessageListener). The thread has a "while(true)" and all the time tries to pop a message. If a message was returned, the thread calls the MessageHandler class and when it's done, he will ask for another message. Now, I have configured the application to open 10 MessageListener to allow multi message processing. I have now 10 threads that all time are in a loop. Is that a good design?? Can anyone reference me to some books or sites how to handle such scenario?? Thanks, Ronny

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• Should frontend and backend be handled by different controllers?

  - by DR

  In my previous learning projects I always used a single controller, but now I wonder if that is good practice or even always possible. In all RESTful Rails tutorials the controllers have a show, an edit and an index view. If an authorized user is logged on, the edit view becomes available and the index view shows additional data manipulation controls, like a delete button or a link to the edit view. Now I have a Rails application which falls exactly into this pattern, but the index view is not reusable: The normal user sees a flashy index page with lots of pictures, complex layout, no Javascript requirement, ... The Admin user index has a completly different minimalistic design, jQuery table and lots of additional data, ... Now I'm not sure how to handle this case. I can think of the following: Single controller, single view: The view is split into two large blocks/partials using an if statement. Single controller, two views: index and index_admin. Two different controllers: BookController and BookAdminController None of these solutions seems perfect, but for now I'm inclined to use the 3rd option. What's the preferred way to do this?

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• Special characters incongruence

  - by Enrique

  Hello I'm building a Spring MVC web application that runs on Tomcat 6.0.20 and JDK 1.6.0_19. When I send some special characters through an HTML form some of them are stored as question marks ? For example these symbols are stored correctly: €, á, é, í, ‰, etc But some symbols are replaced with ? like: £, ?, ? MySQL tables charset is utf-8. My jsp also use utf-8 <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %> I have included org.springframework.web.filter.CharacterEncodingFilter in web.xml as suggested here When I debug the POST request when sending 3 characters €a£ with firebug I get: %E2%82%ACa%E2%82%A4 which is correct since E2 82 AC is the code for € and E2 82 A4 is the code for £ but £ is stored as ? in the database. When I save £ directly into the database it is displayed correctly in the webpage. How can I fix this?

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• Have you ever derived a programming solution from nature?

  - by Ryu

  When you step back and look at ... the nature of animals, insects, plants and the problems they have organically solved perhaps even the nature and balance of the universe Have you ever been able to solve a problem by deriving an approach from nature? I've heard of Ant Colony Algorithms being able to optimize supply chain amongst other things. Also Fractal's being the "geometry of nature" have been applied to a wide range of problems. Now that spring is here again and the world is coming back to life I'm wondering if anybody has some experiences they can share. Thanks PS I would recommend watching the "Hunting the Hidden Dimension" Nova episode on fractals.

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• REST authentication S3 like hmac sha1 signature vs symetric data encryption.

  - by coulix

  Hello stackers, I was arguing about an S3 like aproach using authorization hash with a secret key as the seed and some data on the request as the message signed with hmac sha1 (Amazon S3 way) vs an other developer supporting symetric encryption of the data with a secret key known by the emiter and the server. What are the advantage of using signed data with hmac sha1 vs symetric key other than the fact that with the former, we do not need to encrypt the username or password. What would be the hardest to break ? symetric encryption or sha1 hashing at la S3 ? If all big players are using oauth and similar without symetric key it is sure that there are obvious advantages, what are those ?

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• amp is included in url struts tag

  - by lakshmanan

  Hi, In my web application, I use strust2 url tag to pass parameters like id etc., For example, I use a link to delete an entity and I use param to pass the id of the entity to be deleted. And I follow this throughout my web app for adding, editing, deleting an entity. During run time, sometimes, I don't get the params to be stored in my action's bean properties. When I see the link that is generated, I get something like <a href='/projit1/p/discuss/viewDiscussion.action?d=11&amp;amp;amp;projid=11&amp;amp;disid=4'> What are these amps for ? why do they sit in between the action calls (made by link via url tag actions ) ? By the time I traverse back and forth in my web app, I get 10s and 20s of amp sitting in the request URL. What is the problem here ? Please help.

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• How to Use Local Image with WebService Data

  - by Dishant

  I am Using SOAP WS for getting the Data. I got the four Parameters in Response - Topic_Name, Topic_Id, Topic_ImagePath and Topic_Details. Now I have All the Images of Topic Locally with the same name as i got from the web service for Particular Topic_ID. My question is I want to use Local image instead using the Topic_ImagePath 's Image but the data Must Come From the Web Service. I dont want to use if ..else condition because I have more than 1000 Topics, any one can explain how I get the Path of Local Image and Display it with the Data Comes From the Web Service.. Thanx in Advance.

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• Reverse Engineer a web page

  - by Phil

  Hi, I wish to reverse engineer any web-page into a logical representation of the page. For example, if a web page has a menu, then I want a logical menu structure perhaps in XML. If the webpage has an article, I want a article XML node, if it has a title for the article I want a title XML node. Basically, I want the logical form of the web-page without any of the user interface. This logical model could either be objects in code or XML it doesn't matter, the important part is that it has identified what everything on the page means.

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• Does it make sense to have a model with only static methods?

  - by Jamie Dixon

  Hey everyone, I have an ASP.NET MVC 2 project that I'm working on and I'm wondering where I should place some of my code. I currently have a UsersModel which consists of a bunch of static methods that operate against my data context. These methods include such things as: UserExistsInDatabase, UserIsRegisteredForActivity, GetUserIdFromFacebookId etc etc. Should these methods be inside a UsersModel class or would they be more suited to a user helper class outside of the models context? Cheers for any pointers.

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• What is the best practice for accessing Model using MVVM pattern

  - by Dzenand

  I have a database that communicates with webservices with my Model (own thread) and exposes Data Objects. My UI application consists of different Views and ViewModels and Custom Controls. I'm using ServiceProvider (IServiceProvider) to access the Model and route the events to the UI thread. Communication between the ViewModels is handeled by a Messenger. Is this way to go? I was also wondering what is the best way to strucutre the DataObjects At the moment i have the DataObjects that have a hierarchy structure but does not support INotifyProperty though the children list are of type of ObservableCollection. I have no possiblity to implement notifypropertychange on the properties. I was wondering the best way of making them MVVM friendly. Implementing a partial class and adding all the properties or commands that are necessary or wrapping all the DataObjects and keep the Model list and MVVM list in sync. All thoughts and ideas are appreciated.

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• Replace singletons with what?

  - by fig-gnuton

  Singletons are so often said to be a bad design choice, so how should you design an application when you want to avoid them?

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• The one true domain model - a fallacy?

  - by James L

  I've just finished working for a client which has burnt millions on a project to come up with the 'one true domain model' for their business. This was the project's sole deliverable. What are your thoughts on this? Is a single version of the truth realistic?

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• WPF MVVM - Correct way to consume a web service asynchronously

  - by byte

  I have implemented MVVM in my WPF application. I was wondering what is the correct way to consume a Web Service from WPF MVVM app. So far, I have created a DataAccess interface and a class that implements this interface. This would serve as a facade / proxy to the web service. The ViewModel gets a reference to this class as the constructor parameter so it can make any calls to get/set data, in this case it will be a Web service call. I would appreciate if you can guide me with some hints and / or direct me to some online resource.

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• Premium Services - Ad blocker legal or illegal?

  - by René

  Ok, maybe thats kind of a stupid question. But let's try to get an answer. I'm building a Desktop Solution for an existing web service. That web service is only available without ads when you pay for a premium account. Would it be illegal when I block this ads in my Desktop Application? When you use this web service over the browser, every user has the chance to block ads with adblocker addons. So why not block this stuff in my Desktop Application?

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• Developing web app, question for mobile developers

  - by Stephen Kellett

  I'm going to develop a web app that I expect some people will also end up wanting to view on their phones. The UI will be fairly straightforward (no frames, just CSS/HTML). May have a bit of Flash, but not for the first version. My question is, for testing viewing of the web app on mobile devices what devices would you recommend that I test on (and thus, most likely, have to purchase)? Windows Mobile iPhone Android Other? or can I use emulators for any/all of these? Note that I'm not developing a platform (android, iPhone) specific app, just a web application that I expect will also be accessed from a mobile phone. I apologise if this seems like a niave/stupid question, but this hobby project is totally away from my commercial experience and I just don't know the answers to these questions, hence asking here. Thanks for reading.

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• Stored Procedure or calculations via IQueryable?

  - by Shawn Mclean

  This is a question that is based on choosing performance over design practices. If I have a method that will be executed many times a second; public static IQueryable<IPerson> InRadius(this IQueryable<IPerson> query, Coordinate center, double radius) { return (from u in query where CallHeavyMathFormula(u, center, radius) select u); } This extension method for IQueryable generates a SQL that does some heavy maths calculation (Cosine, Sine, etc). This would mean the application sends 1-2KB of sql to the server per call. I've heard of placing all application logic, in your application. I also would like to change to a database such as azure or one of those scalable databases in the future. How do I handle something like this? Should I leave it as it is now or write stored procedures? How do applications like twitter or facebook do it?

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