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• Windows Mobile Silverlight?

  - by eidylon

  Is it possible to develop Silverlight apps to run on WinMo devices? I see all around searching on the web - in articles from 2008 and 2009 - that they were adding Silverlight support in WinMo 6.1, for example: Internet Explorer Mobile The new version of Internet Explorer Mobile adds the ability to easily view full-screen Web pages and multimedia on the Web with a smartphone. Microsoft's press release states the new version takes advantage of "Internet Explorer 6 technologies" and supports industry standards such as H.264, Adobe Flash and Microsoft Silverlight. The update will be available to mobile phone partners in the third quarter of 2008, with the first Windows Mobile phones using the new version expected to be available by the end of 2008. But I have found an SL app supposedly geared for mobile devices (as much as I hate weatherbug), but when i try going there in PIE on my WinMo 6.1 device, it shows me the little "get silverlight" image button, but clicking it doesn't do anything. So, what is the story? Is SL/WinMo development possible, or ?

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• WMIprvse process leaks memory on 2008 server R2

  - by Dani Fischer

  I have a Windows 2008 R2 server running on a VM machine. My .NET service is running on this server periodically querying WMI, for example: SELECT ProcessId FROM Win32_Service WHERE ... After a day or two WMIprvse takes up to 500M memory and WMI queries start getting out of memory exceptions. This article seems to be talking about this issue: "http://support.microsoft.com/kb/958124" I've seen other articles saying that Microsoft is aware of the problem and not going to issue a fix until the next major release. http://social.msdn.microsoft.com/Forums/en/netfxbcl/thread/256eb40c-d050-4278-a3d8-863e30db02a0 I'd appreciate any suggestions and insights on this.

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• POJO's versus Cursors in Android

  - by Kilnr

  I usually tend to define the model layer of my apps using POJO's, such as Article, Comment, etc. I was about to implement an AlphabetIndexer in the adapter of one of my ListViews. Right now this adapter accepts a Collection of Articles, which I normally get from my wrapper around an SQLiteDatabase. The signature of the AlphabetIndexer constructer is as follows: public AlphabetIndexer (Cursor cursor, int sortedColumnIndex, CharSequence alphabet) Since this doesn't accept a Collection or something similar, just a Cursor, it got me wondering: maybe I shouldn't be creating objects for my model, and just use the Cursors returned from the database? So the question is, I guess: what should I do, represent data with Collections of POJO's, or just work with Cursors throughout my app? Any input?

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• NULL values in object properties in Entity Framework

  - by Tony

  Tables: Article, Author, Comment (1 article and 1 author can have * comments) In the database is 1 article, 1 author and 1 comment. The problem is, that code myBD my_bd = new myBD(); var articles = by_bd.Article; works OK, I can see that an Author and an Article has 1 comment. But that code var comm = (from u in my_bd.Comment where ...... select u); returns the comment but it has NULL values in property Article and Author. Why ?

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• Difference between Singleton implemention using pointer and using static object

  - by Anon

  EDIT: Sorry my question was not clear, why do books/articles prefer implementation#1 over implementation#2? What is the actual advantage of using pointer in implementation of Singleton class vs using a static object? Why do most books prefer this class Singleton { private: static Singleton *p_inst; Singleton(); public: static Singleton * instance() { if (!p_inst) { p_inst = new Singleton(); } return p_inst; } }; over this class Singleton { public: static Singleton& Instance() { static Singleton inst; return inst; } protected: Singleton(); // Prevent construction Singleton(const Singleton&); // Prevent construction by copying Singleton& operator=(const Singleton&); // Prevent assignment ~Singleton(); // Prevent unwanted destruction };

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• Access violation after GetInterface/QueryInterface in Delphi

  - by W55tKQbuRu28Q4xv

  Hi everyone! First, I'm very new in Delphi and COM, but I should build COM application in Delphi. I read a lot of articles and notes on the internets, but COM and COM in Delphi are still not clear to me. My sources - http://www.everfall.com/paste/id.php?wisdn8hyhzkt (about 80 lines). I try to make a COM Interface and Impl class - it works if I call an interface method from Delphi (I create an impl object via TestClient.Create), but if I try to create an object from outer world (from Java, via com4j) my application crashed with following exception: Project Kernel.exe raised exception class $C0000005 with message 'access violation at 0x00000002: read of address 0x00000002'. If I set a breakpoint in QueryInterface - it breaks, but when I come out from function - all crashes. What I'm doing wrong? What I still missing? What I can/should read about COM (in Delphi) to avoid dumb questions like this?

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• Hostgator SSH returns Too many authentication failures for username

  - by Tri Nguyen

  I was trying to ssh into my Hostgator shared hosting account following this guide: http://support.hostgator.com/articles/getting-started/how-do-i-get-and-use-ssh-access However, it returns this error: Received disconnect from 96.125.167.124: 2: Too many authentication failures for tridn I tried to search around for a solution, and found this: http://www.ipreferjim.com/2011/07/hostgator-ssh-warns-too-many-authentication-failures/ I tried doing what he suggested, but encountered another error: jailshell: .ssh/authorized_keys: No such file or directory So I ssh into my server using the PubkeyAuthentication=n flag, and create a directory called .ssh and a file called authorized_keys. I then redid what was suggested in the article, which is this: cat ~/.ssh/hostgator.pub | ssh -p 2222 -o PubkeyAuthentication=no [email protected] 'cat >> .ssh/authorized_keys' (note: my ssh key is called hostgator.pub. it's dsa I verified that the authorized_keys now has the content of this key. However, it still get the same error as before: eceived disconnect from 96.125.167.124: 2: Too many authentication failures for tridn Anybody knows how I should proceed next?

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• Using PHP/MySQL with Google Maps

  - by Anders Kitson

  Hiya, I followed this tutorial below http://code.google.com/apis/maps/articles/phpsqlajax_v3.html#outputxml I ran into trouble, near then end, I am hoping someone else here has got this working and can help me discover my problem. Simply there are 4 steps to this tutorial Creating the Table Populating the Table Outputting XML with PHP Creating the Map I successfully have completed all the steps, however the outputted xml isn't read by the google map I created. The files are all on the same directory, and I didn't change any of the file names from the tutorial. The tutorial has a step to test if the php file called phpsqlajax_genxml.php is outputting the xml and I successfully tested it and it was. The problem is that the map isn't rendering the items I have in the database, that should be converted to xml for the map to read. Any help, or pointing me in the right direction would be much appreciated.

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• OpenXML SDK Spreadsheet starter kits

  - by JWendel

  I am trying to start working with excel documents through the OpenXML SDK Spreadsheet API. But I havent found any good guides or even examples on how to create a xlsx file from scratch. Only how to open an existing document and modify it. I have been thinking on having a empty template document and make a copy of it an then begin my proccessing on it. But it doesent feel right. It might be easier but I not comfortable using a technique I dont feel that I understand "pretty" good atleast. So my question is: Anyone has any god tips on articles or books or any other type of resource that explains the API. Thanks in advance. /johan

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• SEO friendly CMS with user profile functionality

  - by kjgilla

  My company has a project to create a magazine style site with user profile functionality. We need: CMS for the article publishing. SEO Friendly urls. Commenting capability for the published articles. User profile system with limited social networking functionality (friends,friend messages,blog,account tweaking/personalization, article commenting) My area of expertise is asp.net, particularly MVC. I have read similar posts on this site regarding CMS with MVC and I'm surveying the landscape (N2, Kooboo, MvcCms, etc). What I am really interested in knowing is whether there are any platforms out there (WAMP or LAMP) that provide this functionality out of the box. I may be willing to go the LAMP route if it requires little development work. If I have to crack open any code then it probably needs to be .net unless there are compelling reasons to go another route.

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• ASP.NET remote debugging using Visual Studio 2008

  - by schmoopy

  Im having issues getting this to work, maybe its not even possible? I have a PUBLIC Server http://publicserver.com I want to debug using my laptop from my home (for instance) I run msvsmon.exe on the public server, it starts up fine. On my local machine, i have my code open and in VS, i choose Debug-Attach for Qualifier i enter publicserver.com, but it tells me it cannot find it Questions: 1.) What port does remote debugging use? If i port sniff i dont see msvsmon.exe opening any new port ... Does it use 4015 by default? I dont think its a security thing, so please dont point me to the articles, i have followed them as much as i can, but they dont work for my scenerio (unless you find one i havent seen) Thanks :-)

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• jQuery/AJAX type-ahead/auto-complete

  - by Prasad

  I have read several articles/questions/forums discussing the best auto-complete plugin for jQuery. After trying several good ones, I've realized a flaw in most. If you are looking up countries and type 'In', a couple of countries show up. If you continue typing I-n-d-i-a, this results in 5 AJAX calls (see http://www.freeimagehosting.net/uploads/6f1bcd69e1.png) its quite natural that India is a subset of In, so why call again? We need to simply filter the retrieved list client-side. Anyone knows about such an implementation? What is the status of the Jquery Autocomplete feature? I read at StackOverflow that it is no longer available with Jquery; but the Jquery website has a 'New' mark besides the link to Autocomplete. Thanks

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• How to write Asynchronous LINQ query?

  - by Morgan Cheng

  After I read a bunch of LINQ related stuff, I suddenly realized that no articles introduce how to write asynchronous LINQ query. Suppose we use LINQ to SQL, below statement is clear. However, if the SQL database responds slowly, then the thread using this block of code would be hindered. var result = from item in Products where item.Price > 3 select item.Name; foreach (var name in result) { Console.WriteLine(name); } Seems that current LINQ query spec doesn't provide support to this. Is there any way to do asynchronous programming LINQ? It works like there is a callback notification when results are ready to use without any blocking delay on I/O.

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• Can you do icon overlays using Java on Windows OS

  - by Saviz

  I would like to manupilate badges or icon overlays using Java on windows. Basically some files on the drive to have overlays depending what state those files are in. This should be visible through windows explorer. Something simillar to how DropBox does things. Is that possible? I've seen several articles on this topic but none of them use Java. They all seem to use C++ or C# or COM objects. I was looking for a Java solution for windows. Of course I'd like to have a Java solution on Mac's too. Not sure if this is possible but before I give up I thought I ask.

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• MongoDB, Carrierwave, GridFS and prevention of files' duplication

  - by Arkan

  I am dealing with Mongoid, carrierwave and gridFS to store my uploads. For example, I have a model Article, containing a file upload(a picture). class Article include Mongoid::Document field :title, :type => String field :content, :type => String mount_uploader :asset, AssetUploader end But I would like to only store the file once, in the case where I'll upload many times the same file for differents articles. I saw GridFS has a MD5 checksum. What would be the best way to prevent duplication of identicals files ? Thanks

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• Using Silverlight 4 with ODBC

  - by user1384831

  I'm completely new to Silverlight and I want to connect to a Netezza database with an ODBC connection and pull records to display nicely in Silverlight. What's the easiest way to do this? From some research, it seems creating a WCF RIA service is what most people do ( http://www.codeproject.com/Articles/354715/Creating-a-WCF-RIA-Services-Class-Library-for-a-Si ) but the process seems a bit convoluted. Coming from an ASP.net background, could I do something simpler like creating an ODBC connection in the code-behind (using System.Data.ODBC functionality), executing a query, storing the returned records in a Datatable and then binding that to some Silverlight control?

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• Sitemaps on multiple front end servers using a http handler, is that a good idea?

  - by Rihan Meij

  Question 1 We would like to generate a site map for our CMS site We have multiple front end servers with approx a million articles. Environment multiple MS SQL servers multiple front end servers (load balanced) ASP.net - and IIS 6 Windows 2003 To have the site maps (the site map index file, and the site map files) physically on the front end servers will be a operations nightmare and error prone. So we are considering using http handlers instead so that it does not matter what server gets the request, it will be able to serve the correct xml file. Question 2 If we ping Google each time we publish a new article will that effect us negatively if that happens more than once a hour. Thanks!

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• Method signature Vs function prototype

  - by Maroloccio

  A formal definition of the two? Current Wiki articles denote their different contexts and applications, such as internal type signature "strings" in Java VMs (1) and C/C++ function prototypes informing compilers of upcoming method definitions (2) but... 1) http://en.wikipedia.org/wiki/Type_signature 2) http://en.wikipedia.org/wiki/Function_prototype ... where to look for a definition which clearly and formally distinguished one from the other? There is literature using the words prototype and signature almost interchangeably yet other uses appear strict and consistent, if language-specific. Background: I am writing documentation for a sample compiler written for a University project.

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• ASP.NET MVC Web structure

  - by ile

  This is database structure. It is used to build simple cms in asp.net mvc. Before I run deeper into developing site, I want to make sure if this would be "correct" web structure: Articles: Controllers folder: Create controllers ArticleCategoryController and ArticleController Models folder: ArticleCategoryRepository and ArticleRepository View folder: ArticleCategory folder (Create.aspx, Edit.aspx, Index.aspx, Details.aspx); Article folder (Create.aspx, Edit.aspx, Index.aspx, Details.aspx) Photos: Controllers folder: Create controllers PhotoAlbumController and PhotoController Models folder: PhotoAlbumRepository and PhotoRepository View folder: PhotoAlbum folder (Create.aspx, Edit.aspx, Index.aspx, Details.aspx); Photo folder (Create.aspx, Edit.aspx, Index.aspx, Details.aspx) and so on... Is there a better way or this is ok? Thanks. Ile

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• SSL Form Post in ASP.NET MVC 1.0

  - by goombaloon

  I'd like to use SSL for the post action on the login page of my MVC 1.0 app. I've seen some articles related to the [RequireSSL] attribute in ASP.NET MVC Futures. However, since this works using a redirect, I assume it's not an option (can't redirect a POST, correct?). Ultimately, my goal is to get the Html.BeginForm method to render "https://..." as the form's action so that I can secure the information being posted (login info). How have others handled this?

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• WPF Prism MVVM, Internationalized Wizard Passing model data between the wizard steps

  - by Nick V

  I've found the following example of a wizard located here: http://www.codeproject.com/Articles/31837/Creating-an-Internationalized-Wizard-in-WPF Now I've spent quite some time looking at the example and i understand pretty much everything. But i can't figure out how he passes an object between the different modelViews. And as you can imagine that step is quite crucial.. In the example he uses an CupOfCoffee Object in the main wizardviewmodel and somehow manages to adjust it throughout the wizard. But i cant see anywhere how he does that. I've already tried to recreate a project like he has but no success. Could anyone tell me how he passes the objects between the different viewModels?

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• retrieve newly inserted record ID with Linq2SQL

  - by devmania

  hi, i am using the following private BlogDataContext db = new BlogDataContext (); article.Created = DateTime.UtcNow; article.Modified = DateTime.UtcNow; db.Articles.InsertOnSubmit(article); db.SubmitChanges( ); int id = article.Id; i am wondering is this save, i mean will it give me the Id of the article user inserted or will there be case of concurrences if another user update the article in fraction of second after this user ? thanks in advanced.

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• ASP.Net RADs: Dynamic Data alternatives

  - by SDReyes

  Hi Guys! We have a set of tables and views that merely store some config data for embedded devices. this schema is change-prone and do not really required lots of logic, beyond some validation rules. so we considered using a RAD tool for maintaining these CRUDS. In first stage: Dynamic Data But the community size, books absence and the last modification dates of the MSDN articles (~July 2008) makes me want to hear your experiences. (actually DynamicData comes as a part of the ASP.Net MVC2 project) What has been your experience with Dynamic Data? And... What is your favorite ASP.Net RAD alternative? Why? Thank you in advance guys! PD: Entity framework friendliness is a bonus : )

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• ruby-debug19: Can't get working with Ruby 1.9.1p376

  - by tk-421

  Hello, I'm trying to use ruby-debug19 with Ruby 1.9.1p376 but am getting the following error: test.rb:2:in `require': no such file to load -- ruby-debug19 (LoadError) from test.rb:2:in `<main>' Here's test.rb: require 'rubygems' require 'ruby-debug19' Here's the output of "gem list": *** LOCAL GEMS *** ruby-debug19 (0.11.6) (etc.) So running "ruby test.rb" generates the above error. Am I doing this wrong? I thought this was the correct way to run ruby-debug19 (by including the gem and adding "debugger" statements) and haven't been able to find any articles/posts with the same problem. I am using RVM but the above output is all under the same version of Ruby ("ruby -v" shows 1.9.1p376 as expected, and the gem list output is specific to that version and not the OS X system-installed version 1.8.7).

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• Cannot add table to context - LINQ-To-SQL

  - by Oskar Kjellin

  Hey, I'd be happy to give you more info if you need, just ask for it. I have in my database a table of articles, a table of tags and a link table. The article table has values like Id, Subject etc etc, the tags only have Id and Tag. The link has TagId and ArticleId. The problem is that when I drag drop the link-table nothing happens! This all worked before I decided to rename my column in the tables from "ID" to "Id" to correct spelling. Thanks in advance!

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