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• Maybe VS2010 needs Repairing

  - by wisecarver

  OK..So John Papa, Nasir Aziz and myself are trying to help Victor Gaudioso figure out why he can’t see the ADO.NET Entity Data Model template in Visual Studio 2010. At first I thought maybe he was using the Pro version and this was one of those oddities. (After all I’m using the Ultimate version and I also see this template in the Express version.) Nope..Vic was also using VS2010 Ultimate. Believe me Vic is a Silverlight and WPF genius and knows his way around in VS. He was working with the latest...(read more)

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• Toughest Developer Puzzle Ever

  - by Josh Holmes

  For the second year in a row, my friend and colleague Jeff Blankenburg has created what is quickly proving to live up to it’s namesake – the Toughest Developer Puzzle Ever. Some of the puzzles are technical, some are not but all require that you understand the web, development and technology to solve. Even if you don’t get in on the fantastic prizes that Jeff has lined up, there’s great bragging rights in being able to solve the Toughest Developer Puzzle Ever. This year, I was honored enough to get to create three of the puzzles myself – let me know what you think of them. I’m not going to tell you which ones I created now and definitely don’t ask me for hints – Jeff has threatened me if I give any of the puzzle away… ;) All I can say now is “Good luck!”

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• Only upgrading the kernel!

  - by Anwar Shah

  I have seen some people saying to install the kernel of Ubuntu 11.04 (probably 2.6.38..) to use on Ubuntu 10.04 (2.6.35...may be) to only be able to use a Wimax device driver without upgrading their whole Ubuntu System. I find in this method something wrong, but I cannot argue as they are saying that it is OK!!. I tried to insist to upgrade to the latest Ubuntu version with all the software. But I also have the question myself : Does upgrading only the kernel is Okay ? or in other words, Is it OK to have Hardy system with Precise kernel (by adding precise's repository and removing it after upgrade). What are the possible problems ?

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• Advice on SCRUM for the solitary developer [closed]

  - by ProfK

  Possible Duplicate: Agile for the Solo Developer I am looking for advice on the SCRUM process for a solitary developer. Most SCRUM resources I see focus on its use in a team environment, hence my question here. I'd like some guidance on structuring and managing my projects for SCRUM, with me as a solitary developer and business owner, but still occasionally including my clients for input and feedback. Areas I'm not clear on include resolving my backlog into 'sprintable' project areas and stories, defining user stories properly with a view to being digested by developer level users, defining feasible sprints for a single developer etc. Essentially I'm looking for advice on moving from using scrum in a team/office environment, with colleagues and project manager, and using chaos/cowboy-coding on my own, to assuming the role of PM myself and adopting scrum for work on my own. Any advice is welcome.

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• How long does Wubi take to download and/or save place?

  - by Oscar Godson

  I'm downloading Wubi now and it's been downloading the ISO torrent for maybe 2hrs-ish. Is there anyway to check how far along it is? Also, is there a way to save my place or if I cancel this or my computer dies, will it lose the place? If I DO lose my place. Can I download a ISO myself and place it somewhere that Wubi will grab from so it just installs it, not downloads the ISO? (this way I can watch the % too) Im at a conference and my internet is fluctuating between 3-7MBs...if that helps

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• Intermittent silent failures when receiving email

  - by s t

  I’ve had a company host my website and email for the last six months or so and I’m having intermittent and silent failures where emails sent to me are not received. The sender never receives a “delivery notification failure” message. This has happened on multiple domains (@gmail.com, @microsoft.com) I’ve experienced it happening first hand when I sent a mail to myself from another account but I was unable to reproduce the error. It’s very rare (one in every 300 emails or so) The mails are not routed to my junk folder :) Obviously I’m worried about the effect this has on my business – but what can I do? I don’t believe I have enough information to diagnose the problem (neither does my hosting company when I presented them with the same information) – should I switch to another host?

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• Code Reuse and Abstraction in FP vs OOP

  - by Electric Coffee

  I've been told that code reuse and abstraction in OOP is far more difficult to do than it is in FP, and that all the claims that have been made about Object Orientedness (for lack of a better term) being great at reusing code have been flat out lies So I was wondering if anyone here could tell me why that is, and perhaps show me some code to back up these claims, I'm not saying I don't believe you Functional programmers, it's just that I've been "indoctrinated" to think Object Orientedly, and thus can't (yet) think Functionally enough to see it myself To quote Jimmy Hoffa (from an answer to one of my previous questions): The cake is a lie, code reuse in OO is far more difficult than in FP. For all that OO has claimed code reuse over the years, I have seen it follow through a minimum of times. (feel free to just say I must be doing it wrong, I'm comfortable with how well I write OO code having had to design and maintain OO systems for years, I know the quality of my own results) That quote is the basis of my question, I want to see if there's anything to the claim or not

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• Is SOA really dead?

  - by Ahsan Alam

  I have come across many articles/blogs where authors have strongly hailed the death of Service Oriented Architecture (SOA). I could almost hear the laughter pouring out of their writings. Being a big supporter of SOA, I have found myself wondering – have I been following the wrong path all along? Do I need to change the way I think? Then I started to look around. Many newer technologies and concepts have evolved in the past few years. People are starting to take advantage of cloud computing, SAAS (Software as a Service), multitudes of on-demand platforms and many more. Now, I started thinking – is SOA really dead? In order to effectively utilize these newer concepts, I believe we need SOA more than ever because it gives us loose-coupling. People often forget that the key principal behind SOA is loose-coupling. We cannot achieve SOA just by throwing services (WCF, Web Service); we need loosely coupled systems.

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• What real life bad habits has programming given you?

  - by Jacob T. Nielsen

  Programming has given me a lot of bad habits and it continues to give me more everyday. But I have also gotten some bad habits from the mindset that I have put myself in. There simply are some things that are deeply rooted in my nature, though some of them I wish I could get rid of. A few: Looking for polymorphism, inheritance and patterns in all of God's creations. Explaining the size of something in pixels and colors in hex code. Using code related abstract terms in everyday conversations. How have you been damaged?

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• Securely sending data from shared hosted PHP script to local MSSQL

  - by user329488

  I'm trying to add data from a webhook (from a web cart) to a local Microsoft SQL Server. It seems like the best route for me is to use a PHP script to listen for new data (POST as json), parse it, then query to add to MSSQL. I'm not familiar with security concerning the connection between the PHP script (which would sit on a shared-host website) and the local MSSQL database. I would just keep the PHP script running on the same localhost (have Apache running on Windows), but the URI for the webhook needs to be publicly accessible. Alternately, I assume that I could just schedule a script from the localhost to check periodically for updates through the web carts API, though the webhooks seem to be more fool-proof for an amateur programmer like myself. What steps can I take to ensure security when using a PHP on a remote, shared-host to connect to MSSQL on my local machine?

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• All Hail The Gu

  This afternoon I found myself kicking around in Vegas after MIX waiting for a flight to San Francisco. I was looking through the photos from MIX10 and thought it appropriate to have a little fun. Since Scott Guthrie embodied this years MIX event I thought Id turn the Gu into the poster child for the event (literally). Check it out!     The mosaic was made from the 416 photos on flickr and turned into a 2.8 GP image. You can zoom in using the mouse wheel or a single...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Is LISP still useful in, and which version is most used in todays world ?

  - by shan23

  I try to teach myself a new programming language in regular intervals of time. Recently, I've read how Lisp and its dialects are at the complete opposite end of the spectrum from languages like C/C++, which made me curious enough to know more about it. However, two things are unclear to me, and I'm looking for guidance on them : Is LISP still practiced/used in todays world, or is it a legacy language like FORTRAN/COBOL ? I mean, apart from maintaining existing code, is it used on new projects at all ? What is the most widely used dialect ? I came across Scheme and Common Lisp as the 2 most prevalent dialects, and wanted your opinion as to which is the most favored/useful one to learn - and would be immensely gratified if you can suggest any resources for a rank beginner to start from. While eager to learn a language which is fundamentally different from the procedural languages I'm used to, I don't want to invest undue effort in something if its totally obsolete - I'd still learn it if it was professionally "dead", but only with an academic perspective...

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• Can i make money with my Android Engine or should I focus on game-making?

  - by Roger Travis

  I have dedicated past few month to developing my own android 2d engine. You can see its description, demo and tutorials here http://www.aboxengine.com/ ( jar files will be up in a day or two ). While working on the engine I believed it to be better then most available alternatives ( such as andengine, etc. ) and that people would love to use it in their games and, hopefully, would give me some royalties. Yet as I started posting about my engine on other forums, it start looking like people are only interested in free/opensource engines. Based on your experience, what do you think, is there some way for me to make money with that engine or should I forget about selling it and more focus on making games with it myself? Thanks!

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• IntelliTrace Causing Slow WPF Debugging in Visual Studio 2010

  - by WeigeltRo

  Just a quick note to myself (and others that may stumble across this blog entry via a web search): If a WPF application is running slow inside the debugger of Visual Studio 2010, but perfectly fine without a debugger (e.g. by hitting Ctrl-F5), then the reason may be Intellitrace. In my case switching off Intellitrace (only available in the Ultimate Edition of Visual Studio 2010) helped gitting rid of the sluggish behavior of a DataGrid. In the “Tools” menu select “Options”, on the Options dialog click “Intellitrace” and then uncheck “Enable Intellitrace”. Note that I do not have access to Visual Studio 2012 at the time of this writing, thus I cannot make a statement about its debugging behavior.

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• Pathfinding Java library

  - by Shivan Dragon

  I'm an amateur game developer and somewhat amateur Java developer as well. I'm trying to find a way to have path finding for my game(s). I've first googled for some existing Java libraries that have various path-finding implementations, but I've failed to find any. It seems to me that the only way to get pathfinding code is to use it via a game engine (like Unity). But I'd just like to have a library that I can use and make the game loop and other stuff on my own. Failing to find such a library I've tried implementing some algorithms myself. I've managed to make a running AStar in Java, but for fancier stuff like DStar I find it hard to do it by hand. So then, my question is, are there any Java libraries that contain at least some basic pathfinding algorithms implementations?

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• What would be a best way to code a rudimentary LIMS?

  - by Sam

  Hi, I hope that I am asking the right question at right place. If not, please do not hesitate to point me to the right place. I am working in a laboratory, where computers/programming/programmers are all used only as support. But I believe that we need better information organization and management. Given the diverse information generated in the lab I believe that we need some sort of Laboratory Information Management System. Is there a good starting point to do this? I am myself not a trained programmer. I can code reasonably well in python and R, and if necessary I can learn MySql, php.

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• SEO Suggestion For My Blog [closed]

  - by Rana

  I have a programming tutorial blog, which have decent traffic. However, I am interested to do some basic seo for my blog to get it optimized. I want to do it myself by learning. I was wondering if experts here can suggest me how should I proceed please? Also, if you please review my blog and suggest the most common seo concern that come to your mind first, those will be helpful as well. My blog site url is as follow: http://codesamplez.com/ Looking forward to your feedback soon. Thanks.

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• Why do you use not free software and what not free software do you use?

  - by 0101

  I prefer to use free software, because I believe its more universal(I can use it anywhere, I can tell people about it and they will have no problem with using it) - i like to say "learn once, use anywhere". I was wondering why people use not free software when free alternatives exists?(for example JIRA, Clover for code coverage, not free marge tools, etc.). P.S. I only use TotalCmd that is not free, but I was not able to find any good alternative(I even wrote one myself, but It was not as great). P.S. I dont want to start any flamewar, Im just curious what is your take on it.

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• What commands are needed to install Ubuntu Core?

  - by Oxwivi

  Ubuntu Core's wiki page page contains the instructions to install Ubuntu Core on a target media: Uncompress (do not unpack) rootfs Format target media: at least one partition should be ext2, ext3, or ext4 Unpack Ubuntu Core to ext{2,3,4} partition Install boot-loader Install Linux If the Linux kernel requires modules, add these to /lib/modules/$(uname -r) in the ext{2,3,4} file system Boot the target device Install any additional required software using apt-get But what are the specific commands to do the above? The things I'm specifically confused about are: Uncompressing and unpacking, what's the difference and how do I do them? What package should I install if I want the generic kernel provided in regular Ubuntu installation? I won't be installing any drivers or anything related to kernel other than what's provided in the repos, do I need to worry about manually adding kernel modules? PS I would like to request that all the commands used in the installation process be mentioned in the answer, for the benefit of ones who're completely unfamiliar and myself, should I ever forget.

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• How much should I charge an hour for freelance iOS development?

  - by Tyler Bell

  I am a fairly competent developer who already holds a job developing iOS applications. This job is through the university which I attend. The producer of the apps that I develop is always trying to set me up with some freelance opportunities to get my work out there and to get me some more work/experience. What is a reasonable price to charge (either hourly or per app)? I'd be working by myself, on my own equipment, from start to finish in the design process. Just wondering what a reasonable price was...I've heard up to $30? Thanks

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• Web Developer or Software Engineer?

  - by dahacker89

  A question that I have been asking myself and really confused which path to take. So I need your guys help as to the pros and cons of these 2 professions in today's world. I love web applications development as the Web is the best thing to happen in this age and nearly everyone gets by on the World Wide Web. And also tend to keep learning about new technologies and about web services. On the other hand I like software engineering also for the desktop applications as I have had experience with development small scale softwares in VB.Net, Java, C++, etc. Which path has more scope and better future? Whats your view?

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• Catering for client's web-hosting needs, minus the headaches ?

  - by julien

  I'll be trying to sell my Ruby on Rails development skills to small local businesses. It seems I'd be shooting myself in the foot if I couldn't manage to put their apps into production, in fact catering for this would be a selling point. However, I do not want to bill every client monthly for the cost of their hosting, they would have to be the contract holders with the hosting service, and I'd only consult if they needed technical help when scaling. I've looked on one hand at cloud platforms, like engine yard, which seem like they would be too costly for the smaller clients, and on the other hand at vps providers which seem they would not be client friendly enough. Has anyone faced the same issue and come up with a decent solution ?

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• 2010 FIFA World Cup Silverlight Smooth Streaming Player with Live Messenger

  - by FernandoCortes

  Finally after weeks of hard work the World Cup Silverlight player is ready to watch the spanish team in action. This Silverlight Player use Smooth Streaming technology, enables adaptive streaming of media to Silverlight and other clients over HTTP. Smooth Streaming provides a high-quality viewing experience that scales massively on content distribution networks, making true HD 1080p media experiences a reality. The player integrate leading social networks such as Microsoft Live Messenger, Twitter and Facebook to chat in a public chat and with your Windows Live Messenger contacts list completely private. All supported on Microsoft Azure in one of the biggest deployments in this platform (350 instances). We integrate Windows Live Messenger with Siverlight using the javascript messenger library, version 3.5. Check out this video, in spanish, where Antón and me explain how to integrate Silverlight and Live Messenger: http://www.channels.com/episodes/show/8900143/-Codecamp-es-2009-Messenger-Cortes-Molleda   Player Uri http://mundial2010.telecinco.es/ (Spanish Television)   Developer & Design Team Antón Molleda (Developer) Luis Guerrero (Developer) Raúl Varela (Designer) Ricardo Acosta (Designer) Fernando Cortés Hierro (myself)

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• Junior developer support

  - by lady_killer

  I am a junior developer in my first work experience after university. I joined the company as PHP developer but I ended up developing using C# and ASP.NET. Right from the start I did not receive any training in C# and I was assigned with ASP projects with quite tight deadlines scoped by Senior developers. The few project hand overs I had from other developers were brief and it looked like I had to discover the system myself, in really short time. This is my first job as web developer and I wonder whether it is normal not to have a kind of mentor to show me how to do things, especially because I am completely new to the technology. Also, do you have idea how to tackle this? As you can imagine, it gets really frustrating! Thank you!

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• Hack Your Lights for Remote Control

  - by Jason Fitzpatrick

  This clever hack combines a modified wall switch with unused buttons on a universal remote to create one-touch wireless control of the lighting in a media room. Andrew, the tinker behind this home theater hack, writes: I really liked the idea of controlling my “Home Theater” lights with a remote (TV or other), this would save me the exhausting task of heaving myself off the couch to turn the lights on or off. I found one of my remotes has a spare power button, its one of those stupid “universal” remotes that comes with DVD players or TVs but only work if you have all the same brand equipment, I don’t so this made a good option for a light switch. Hit up the link below to check out more photos of his project and download the source code. Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder? Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It How To Delete, Move, or Rename Locked Files in Windows

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