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• Cost of using ASP.NET

  - by Mackristo

  One thing that I keep hearing in reference to ASP.NET and MSFT technologies is that they cost money to use. Often when they are being compared to open source languages someone will mention that one factor in favor of open source is that it's free (to an extent). My question is, when does ASP.NET actually cost money to use in terms of using the proprietary technology? Understandably there are the hosting fees, but I'm curious about the fees outside of these hosting fees. I'm especially curious about this as it relates one-person smaller-site development (non-team/large enterprise). Any help is appreciated. (edits) Some excellent answers. Much appreciated The projects that I'm looking to use the technologies for would be personal sites and very small business sites (1 or 2). The intent would of course be that these projects get much bigger. It seems that for commercial production, fees will apply. What about just basic dynamic "shared hosting" sites that provide information?

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• How to add an "Export to ebook" feature to a site?

  - by systempuntoout

  How could i add to a blog or site in general a feature that let users export the content to epub format or some other open ebook formats? It's not a feature that i normally see on most of the site i browse every day (some has export to pdf that is not great as ebook format), do you think it is feasible? I own an ebook reader and reading saved html to pdf pages is not so good. I'm searching for a general solution here so i have not specified any specific technology; if you have some sites that offer this feature i would like to try them. thanks

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• What makes MVVM uniquely suited to WPF?

  - by Reed Copsey

  The Model-View-ViewModel is very popular with WPF and Silverlight. I've been using this for my most recent projects, and am a very large fan. I understand that it's a refinement of MVP. However, I am wondering exactly what unique characteristics of WPF (and Silverlight) allow MVVM to work, and prevent (or at least make difficult) this pattern from working using other frameworks or technologies. I know MVVM has a strong dependency on the powerful data binding technology within WPF. This is the one feature which many articles and blogs seem to mention as being the key to WPF providing the means of the strong separation of View from ViewModel. However, data binding exists in many forms in other UI frameworks. There are even projects like Truss that provide WPF-style databinding to POCO in .NET. What features, other than data binding, make WPF and Silverlight uniquely suited to Model-View-ViewModel?

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• Interviewing - convincing young interviewers that my experience matters [closed]

  - by ritu

  As requested, I split this question from a two part question I asked at http://stackoverflow.com/questions/2482071/modern-web-development-general-question My question is how do i convince the young programmers who interview me that my years of system programming experience, MFC, Win32 programming are still relevant and I should not be automatically rejected because I don't know the differences between Drupal and <pick your technology>. It seems like I can ask a dozen question that these guys won't be able to answer but somehow because I don't know the latest fad counts against me. I do read, but if you don't use what you read in your daily work, you will never have expert knowledge of it. So bottom line: is the only way for me to take a .NET or Java job is for me to start at the bottom all over?

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• What technologies should I focus on to work as a developer in Japan?

  - by Atomiton

  I'm thinking of one day moving to Japan and I was wondering if anyone here has any experience working there. I'm curious as to what languages/technology are popular there for web development and software development. I have heard Ruby is/was strong there due to its founder being Japanese. What would you recommend someone focus on if they wanted to work as a developer in Japan? I have heard Microsoft has a strong base in Japan, but my guess is that whatever platform has supported unicode or Shift-JIS the best would be the strongest.

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• mysql, sqlite database source code

  - by Yang

  hi guys, i know implementing database is a huge topic, but i want to have a basic understanding of how database systems works (e.g. memory management, binary tree, transaction, sql parsing, multi-threading, partitions, etc) by investigating the source code of the database, since there are a few already proven very robust open source databases like mysql, sqlite and so on. however, the code are very complicated and i have no clue where to start. also i find that the old school database textbooks are only explaining the theory, not the implementation details. Can anyone suggest how should i get started and is there any books that emphasis on the technology and techniques of building dbms used in modern database industry? Thank in advance!

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• ASP.NET MVC Best Implementation Practices

  - by RSolberg

  I've recently been asked to completely rewrite and redesign a web site and the owner of the company has stressed that he wants the site to be made with the latest and greatest technology available, but to avoid additional costs. As of right now, I'm torn between looking into a CMS implementation and writing a new implementation with MVC. The site is mainly brochure ware, but will need to allow the visitors to submit some data through forms. There are quite a few lists and content features that are dynamic and should be treated as such. Since ASP.NET MVC is new, I don't want to bastardize the implementation if I go that way... Any recommendations on best implementation practices for a MVC website? Also, has anyone had their MVC implementation hosted anywhere that they would recommend?

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• Silverlight -> WCF -> Database -> problem

  - by Billy

  Hi there, I have some silverlight code that calls a WCF service which then uses the Entity Framework to access the database and return records. Everything runs fine but ... when I replace the Entity Framework code with classic ADO.NET code I get an error: The remote server returned an error: NotFound When I call the ADO.NET code directly with a unit test it returns records fine so it's not a problem with the ADO.NEt code I used fiddler and it seems to say that the service cannot be found with a "500" error. i don't think it's anything to do with the service as the only thing I change is the technology to access the database. Anyone know what i'm missing here?

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• Are government programming jobs good?

  - by Absolute0

  I am a passionate software developer and greatly enjoy programming. However I was recently contacted regarding a developer lead position for a government job at NYC for the fire department. The pay is pretty good, and I would assume the position has good job security and stability. But I am hesitant to even go for an interview as it seems like an exaggerated version of Office Space with a lot of Bureaucracy and mindless paper work. The description is as follows: The Lead Applications Developer, supporting the Programming Group, will be responsible for all phases of the system development life cycle including performing system analysis, requirements definition, database design, preparation of scopes of work, and development of project plans. Supervise programming staff and manage projects involving the design, implementation, maintenance, and enhancement of complex Oracle based user applications using Oracle Development tools. Applications will be deployed using Oracle Application Server utilizing programming languages such as JAVA, JSF, JSP, Oracle ADF, PL/SQL, and XML with J2EE and EJB technology. Anyone with previous government experience can share their two cents on this? Thank you.

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• Tracking graphics tablet input in C#

  - by Martin

  I'm writing an XNA application with C#, and I want to be able to control the application with a graphics tablet. All I need to be able to do is track the position and pressure of the pen on the tablet, it would be nice to have some built in gesture recognition but I'm willing to build that myself if needed. My first attempt at this was to use the vbtablet library. However, when I sent this to a friend it failed to work. It seems that the underlying technology is quite old and not supported by some tablets. My second attempt is to play with the Microsoft.Ink system. This looks promising, but I know very little about this subject and I'm struggling to make it work properly - for example I can't find how to read the raw tablet input and disable mouse pointer mode on the tablet when using an InkOverlay. What's the best system to use and what good documentation is there for a beginner in this field?

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• Rendering videos online using flash as3 and AIR, how does it work?

  - by David

  I came accross this link that talks about the technology used with Animoto.com And it seems like they use AIR to export their flash animations to bitmaps that ffmpeg compil as a movie. http://labs.animoto.com/2009/06/07/presenting-filmstrip/ "It also takes time to render, so what you’re seeing isn’t realtime. It’s a series of Flash-generated frames that have been saved out using AIR and processed into an MP4 after the fact using a utility called FFmpeg." Does that mean AIR is installed on the server? How would that work to export a dynamicaly created aninmation into a series of pics that ffmpeg can then easily convert into a movie? David

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• Can you recommend an effective and cheap CDN for video streaming?

  - by Shaul Dar

  I am looking for a streaming CDN recommendation. Cost and performance are my chief concerns. Video viewers may be all over the globe, with the, US, Europe, Russia and South America topping the list (yes, I know that leaves out a little :-). I saw the following list of streaming CDNs in LinkedIn: Akamai, BitGravity, EdgeCast, Highwinds, Internap, Level3, Limelight, Mirror Image, Move Networks, Qbrick, SimpleCDN, StreamZilla, Swarmcast (streaming via HTTP), WINK Streaming... (+Amazon's S3 and CloudFront) Can anyone recommend any of these or others? Or a different type of technology (e.g. P2P).

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• Is FastCGI still a right answer?

  - by Ted Henry

  FastCGI is old but it still seems like it must be the right answer in some cases. It seems like the preferred deployment of Perl/Catalyst web applications is with FastCGI. FastCGI was popular with Rails but seems to no longer be. (Why?) The Java world doesn't seem to have anything to do with FastCGI. Is something like Tomcat way better than Apache+FastCGI? Is choosing FastCGI still a good idea or just a lingering technology? Ted

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• Document Stored in File System Text Searching and Filtering required in ASP .Net Application

  - by Harryboy

  Hello Experts, We are building a jobsite application in which we will store resumes of all the candidates, which is planned to store on file system. Now We need to search inside that file and provide the result to the user, we need to provide that what is the best solution to implement text searching. I have just tried to identify it and got some reference like IFilter (API or interface) and Lucene.Net (open source), but not sure that is it a right solution. In initial phase it is expected to be around 50,000 resumes and it should be scalable enough if number increases. I just want some case study or some analysis or your suggestions that which is the best method to handle this requirement (Technology ASP .Net) Thanks

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• Recording user data for heatmap with javascript

  - by Hanpan

  Hi, I was wondering how sites such as crazyegg.com store user click data during a session. Obviously there is some underlying script which is storing each clicks data, but how is that data then populated into a database? It seems to me the simple solution would be to send data via AJAX but when you consider that it's almost impossible to get a cross browser page unload function setup, I'm wondering if there is perhaps some other more advanced way of getting metric data. I even saw a site which records each mouse movement and I am guessing they are definitely not sending that data to a database on each mouse move event. So, in a nutshell, what kind of technology would I need in order to monitor user activity on my site and then store this information in order to create metric data? I am not looking to recreate GA, I'm just very interested to know how this sort of thing is done. Thanks in advance

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• Server Push / HTTP Streaming on Windows Mobile / Windows CE

  - by afriza

  Hi, I find that HTTP Streaming / Server Push is quite promising for my project. Does someone have any clue on how to implement this in Windows Mobile? .NET / Native / other implementations are welcomed. Preferably with permissive license. some links on HTTP Steaming / Server Push: - Push Technology - Streaming HTTP / Server Push - Cross-browser implementation of “HTTP Streaming” (push) AJAX pattern - XEP-0124: Bidirectional-streams Over Synchronous HTTP (BOSH) I was thinking of using some Qt XMPP library (QXmpp) to do the job, but I'm not sure if it's up for the task and I also want to hear some opinions on this.

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• Linq to Entities and LEFT OUTER JOIN issue with MANY:1 relations

  - by Robert Koritnik

  Can somebody tell me, why does Linq to Entities translate many to 1 relationships to left outer join instead of inner join? Because there's referential constraint on DB itself that ensures there's a record in the right table, so inner join should be used instead (and it would work much faster) If relation was many to 0..1 left outer join would be correct. Question Is it possible to write LINQ in a way so it will translate to inner join rather than left outer join. It would speed query execution a lot... I haven't used eSQL before, but would it be wise to use it in instead of LINQ? Edit I updated my tags to include technology I'm using in the background: Entity Framework V1 Devart dotConnect for Mysql MySql database If someone could test if the same is true on Microsoft SQL server it would also give me some insight if this is Devart's issue or it's a general L2EF functionality... But I suspect EF is the culprit here.

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• High-Performance In-Browser Networking

  - by Jon Purdy

  (Similar in spirit to but different in practice from this question.) Is there any cross-browser-compatible, in-browser technology that allows a high-performance perstistent network connection between a server application and a client written in, say, Javascript? Think XmlHttpRequest on caffeine. I am working on a visualisation system that's restricted to at most a few users at once, and the server is pretty robust, so it can handle as much as it needs to. I would like to allow the client to have access to video streamed from the server at a minimum of about 20 frames per second, regardless of what their graphics hardware capabilities are. Simply put: is this doable without resorting to Flash or Java?

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• Database security / scaling question

  - by orokusaki

  Typically I use a database such as MySQL or PostGreSQL on the same machine as the application using it, which makes access easy and secure. I'm just now building the first site that will have a separate physical database server (later this year it will). I'm wondering 3 things: (security) What things should I look into for starters pertaining to security of accessing a separate machine's database? (scalability) Are their scalability issues that I should think about pertaining to this (technology agnostic)? (more ServerFaultish but related) If starting the DB out on the same physical server (using a separate VMWare VM) and later moving to a different physical server, are there implicit problems that I'll have to deal with? Isn't another VM still accessed via localhost? If these questions are completely ludicrous, I apologize to you DB experts.

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• HBase schema help

  - by Jody Powlette

  Coming from a SQL Server background, I'm a newbie with regard to HBase, but the technology looks to be a good fit for what we're doing and the cost is definitely right! I need to maintain a list of log entries which normally I would create in an RDBS as: create table Log ( UserID int, SiteID int, Page varchar(50), Date smalldatetime ) where one user may have 0 or 1000 rows in this simple table. Typical queries would be to find all the rows for one user or all the rows for one user on one site. How does this translate into a "map" in HBase where there is no "row key" AND the same (SiteID,Page) may appear many times. My first thought is that UserID is a row key, but I still don't understand "column families" and the other terminology well enough to understand how to setup the table to hold this data where the one UserID can have many (SiteID,Page,Date) "rows". Any direction is appreciated!

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• Silverlight Cannot find XML data source

  - by Nick

  Hello.. I am very new to Silverlight development. I understand that this is client side technology therefore the paradyme is differant from that of conventional ASP.NET development. Having said that, I don't understand where my server side code is deployed. I have a silver light \ MVC application. I am trying to read an XML document from within my 'Models' folder. The following peice of code is executed from within a class that is in the same location as the XML document, 'Models'. The load() results in a SystemIOFileNotFound exception. I noticed that when building the application the XML document is not laid down in the same location as the web project's assembly. I assume this is specific to the fact that this is a Silverlight project. Can someone tell me what I'm missing? _xdoc = new XDocument(); _xdoc = XDocument.Load(new Uri("videos.xml",UriKind.Relative).ToString());

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• Windows Azure Platform, latest version?

  - by Vimvq1987

  I searched through internet but found nothing. The whitepapers of Windows Azure Platform say something like that: In its first release, the maximum size of a single database in SQL Azure Database is 10 gigabytes A few things are omitted in the technology’s first release, however, such as the SQL Common Language Runtime (CLR) and support for spatial data. (Microsoft says that both will be available in a future version.) I want to know that Microsoft had updated Windows Azure Platform and removed these limits or not? I decided to post this question here instead of Serverfault.com because it's more relative to programming than administration. Thank you

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• Invoke ngen from NSIS installer

  - by BlackStar

  I am using NSIS to deploy a .Net application. The installation/uninstallation process works fine, but I would like to add a final ngen step to improve startup performance. Unfortunately, Google didn't reveal any relevant material. It's unlikely that noone has ever done this before - maybe someone here has some idea? In the unlikely case that this is impossible to support without ugly hacks, I would be willing to use a different installer technology provided it can run on my Linux build server. (This rules out WiX, for example.) Any ideas?

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• ASP.NET MVC as a service host for SOA like architecture

  - by Delucia

  I'm creating a distributed application that includes a lot of services and I'm looking for the technology that allows me to create and manage a lot of services easily. I know managing and deploying windows services is not fun. I'm thinking of using ASP.NET MVC as service host of my services where each controller action becomes essentially a service and I can communicate with a service via simple HTTP request and responses and not have to deal with complexity if i use something like WCF. Services need to be isolated and asp.net requests are isolated as far as i know, i.e. if a request throws an exception it will not effect other running requests. But I still have questions about the management of the services. How will it be possible to see which services are running, stopping and resuming services. Also ASP.NET MVC are passive, i.e. they only do something upon a request but what if i want to service that initiates work by itself?

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• Embedded computer vision platforms

  - by Egon

  Hi folks, I am planning to start a computer vision based project on a smart phone platform. I know iPhone ( http://niw.at/articles/2009/03/14/using-opencv-on-iphone/en ) and Andriod ( http://github.com/billmccord/OpenCV-Android ) have openCV support. I am interested in knowing how was your experience with the level of integration, support and ease of building good apps on either platform. Also I do want to consider windows phone 7 ( and Zune) as a platform, Are there any Computer Vision libraries for that platform or any good development tools( does Aforgenet work or any other good suggestion) ? Also can you suggest some popular augmented reality apps which uses cutting edge technology ( I am aware of http://www.pranavmistry.com/projects/sixthsense/ ) Thnx in advance!

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