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  • Silverlight 4 + RIA Services - Ready for Business: Validating Data

      To continue our series lets look at data validation our business applications. Updating data is great, but when you enable data update you often need to check the data to ensure it is valid.  RIA Services as clean, prescriptive pattern for handling this.   First lets look at what you get for free.  The value for any field entered has to be valid for the range of that data type.  For example, you never need to write code to ensure someone didnt type is forty-two into...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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  • Nvidia Powermizer Performance Levels

    - by jeffrey
    Is there anyway to configure Nvidia Powerimizer performance levels? My current setup has 3 power levels with the lowest one being 50mhz. The problem with this it that it lags compiz when it goes to the lowest performance level 0. Minimizing, maximizing, dragging windows, etc. are all sluggish when it's at the lowest level. Once powermizer leaves level 0 everything is very smooth and runs great. Is there anyway for me to remove level 0 and just run Level the two higher levels 1/2? I don't want to complete disable powermizer, but I can't stand the lagging once powermizer goes into performance level 0. Setting the option "prefer maximum performance" fixes the problem as it disables powermizer, but the GPU is overkill at stock speeds for most desktop use @ 850mhz. intel i5 2500k asus gene-z z68 evga 560ti fpb (driver 295.40) ubuntu 12.04 LTS x64

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  • AZGroups.org Postcard Idea

    VistaPrint.com is a place that prints very cheap (free sometimes) business cards and post cards. I’ve used them in the past for my user group business cards. The printing is free, but you have to pay fro shipping, and they usually have a VistaPrint Logo on them. For community stuff, it’s great. I received an email this morning about a free post card offer, and I thought I would put together a post card that promotes the AZGroups.org calendar. This calendar is meant to be a simple calendar...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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  • How to use NVIDIA GeForce M310 on Ubuntu 12.10 running as guest in Virtualbox?

    - by huub
    Last couple of weeks played around with Ubuntu 12.10. This is running as a guest on Virtualbox hosted at Windows 7. There have been some challenges with the Unity 3D stuff. Particular due to not supporting X11 release 1.13 till very recently. Since today we are able to download Virtualbox version 4.2.2 which has through guest additions also support for X11 release 1.13. SO far great work everybody. Since Unity now only runs in 3D mode it would be nice to access the graphics card directly from Virtualbox. lshw -c display shows: VGA compatible controller; product: VirtualBox Graphics Adapter. QUESTION: how to get the 3D and other graphics directly supported by the hardware ie Nvidia GeForce M310

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  • Popper Email Notifier not working

    - by Joel
    Using Maverick 64bit I downloaded Popper Email Notifier today. Installed it from the v023 deb. https://launchpad.net/popper I configured it, and the TEST tab shows I configured everything properly. I can't get Popper to appear in the notification menu. I have restarted gnome-pannel, restarted my computer, reinstalled the app. No luck. I checked the /usr/share/indicators/messages/applications/ folder, and there's only the defaults there. Anyone know how to fix this? Even if someone knows what file I can drop into that folder to make it work that'd be great. Edit: I wonder if it's because I removed the evolution-indicator package? Thanks!

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  • Automatically delete files after they expire

    - by Auxiliary
    I've got this idea for some time and I was wondering if anyone has seen such a feature/app in any operating system and if you haven't, what do you think about it. Where do you think I should begin? The idea is simple. I think we all have those files that are made and probably used for a few days and then are left on our disk and we never delete them or even check to see if we need them again. It'd be cool if you could right click on a file and click on "Expire in.. 3 days" for example. And the file gets deleted after 3 days. I have a great need for this and maybe some people will find it useful. I was thinking of writing a script and use the Nautilus Action project in GNOME for a start.

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  • Want to learn a new language. Not sure which to pick.

    - by Regravity
    I've been coding in Batch, VBS and AutoIt for AGES, and while its been great and I've made some pretty complex desktop applications in AutoIt, I'd like to advance to something that is more flexible / powerful. I've found that I really love programming desktop applications to solve a wide variety of problems which is what I've been doing with AutoIt. I've done a lot of research on different languages, but I'm torn between a few, namely C++, C# and Python. Can anyone suggest which language I should tackle next? And reasons why I should?

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  • Web Content Writers Provide Value Beyond Words

    With a great deal of fanfare, Apple Computer recently released its iPad, assuring us that we would all become very familiar with this product and how it would change our lives for the better. As technology is difficult to keep up with these days, it's certainly true to say that we've heard this kind of claim before, but there does seem little doubt that one of the company's other products, the iPhone, will go down in history as having revolutionized the way that we communicate. Once again, we see how important the Internet is to us right now and how it is likely to gain additional traction.

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  • Happy Birthday LearnVisualStudio.NET?

    - by TATWORTH
    Back in 2003, I made the changeover to Dot Net with the help of LearnViusal Studio.NET. They provide an excellent learning resource. I commend membership to you. This week only, you can get started for as little as $48.97 for a 1 Year Subscription! Save 30% at LearnVisualStudio.NET http://www.learnvisualstudio.net?awt_l=BN5TZ&awt_m=JaSOlFqKSr1QwB You can also get a Lifetime membership for only $139.97! That's over $59 in savings! A lifetime membership will grant you access to every video on the site and every video we ever create for LearnVisualStudio.NET without giving us another dime! This is a great chance to access over 900 tutorials to help you learn C#, VB, ASP NET and more. Get started today! http://www.learnvisualstudio.net?awt_l=BN5TZ&awt_m=JaSOlFqKSr1QwB

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  • How to Do SEO of Your Website

    To succeed in the internet world through your website, you have to have a good knowledge about search engine optimization (SEO) and its tips. SEO is basically the science and art of making your website reach a good ranking on major search engines for relevant keywords. In fact, getting a high ranking on search engines itself is a great advertising tool on the web as millions of searches are carried out a day. And it is only the sties that appear near the top of these searches that get free advertising. Here are some tips for effective SEO for your website.

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  • Windows 7 professional won't boot after installing ubuntu 11.10 alongside

    - by Piman3.14
    I can't boot into windows 7 professional after installing ubuntu 11.10 alongside windows as a dual boot. Windows starts to boot but then it stops during start up and "crashes". I do not have an installation or repair disc and windows is not registered as I built the computer in a class. Please help anybody who is familiar with ubuntu. Optimally I would like to just uninstall ubuntu altogether as GRUB scares me a little and Ubuntu isn't as good as windows 7 and "Bleeped" stuff up. I tried google and nothing that great came up and also I can't find a phone # to contact ubuntu/linux. :-( Specs: OS: Windows 7 professional x64, Ubuntu unity 11.10; CPU: Intel Celeron 2.6 GHz; 2 GB of RAM; Built in september or october 2011. Desktop Homebuilt PC.

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  • How to start working in a team on a project? [closed]

    - by Adio
    Ok, for the first time in my life I am going to work in a team. The problem is that all the team members including me are junior developers and for all of us this is the first time we are working in a team. The problem is that we do not know how to start the project. We know a little about scrum and agile development, we have our user stories in place and our created project - which does not have even one piece of code - and now we are stuck and don't know how and what to do? All scrum books talk about scrum development but lack of the details like how to start. How my team will know what object I am using? How we will push the first piece of code and what it will be? Any help will be great. Books, articles, advice, or anything.

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  • RadGrid Column Sizing

    - by Bunch
    I came across this column sizing weirdness the other day. Using a RadGrid the headers looked great. The rows with the data however sized however they felt like it, usually way too small. After looking around I came across this that solved my problem. Adding the meta tag of <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" /> in the head section of my aspx page was what I needed. My issue was pretty specific since I had to target IE8 for the app I was working on but it may apply to other scenarios as well. Tags: ASP.Net

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  • WordPress for Windows Phone 7

    - by Enrique Lima
    Slowly but surely apps have been coming out for Windows Phone 7, I must admit that was my biggest concern on moving from the iPhone to the Windows Phone.  Not the fact apps would come slowly, but when they would come.  The iPhone side of things had very nice apps, and moving into a not so populated app landscape was an interesting thought. Anyway, yes there are apps I miss … but now it is one less! WordPress released the “for Windows Phone 7” app. Great experience and layout for the tool. If you are now on Windows Phone 7, check it out. http://windowsphone.wordpress.org/

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  • Is there a mouse trail option?

    - by Tarlung
    I have intermittent blindness in my right eye. Windows had a great mouse option that made a trail of cursors behind the one that's functional. It made my mouse easier to see. The control button helps me find my mouse, but I need something to help me track it as it moves. Any help appreciated. Thanks in advance! PS: I prefer bash shell installs, copy paste easier then having to read small download link on websites.

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  • When designing an application around Model-View-Controller (MVC), what is in your toolbox?

    - by ericgorr
    There are a lot of great explanations for what the Model-View-Controller design pattern is, but I am having trouble finding good resources showing how to use it in practice. So, when you are starting a new application (doesn't matter what it is), what is in your toolbox? For example, it was suggested that using UML collaboration diagrams ( http://www.objectmentor.com/resources/articles/umlCollaborationDiagrams.pdf ) can be useful when designing an application around MVC, although, I am not certain exactly how or why this might be the case...? So, what is in your toolbox for MVC?

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  • New .Net Authentication in 4.5.1

    - by Aligned
    Originally posted on: http://geekswithblogs.net/Aligned/archive/2013/11/05/new-.net-authentication-in-4.5.1.aspxThere has been a lot of traffic on my post about Simple Membership that came with the File new Project MVC 4 in 2012. I was reading the release notes for Visual Studio 2013 and .Net 4.5.1 and it mentioned a new/updated Authentication approach. “ASP.NET Identity is the new membership system for ASP.NET applications. ASP.NET Identity makes it easy to integrate user-specific profile data with application data. ASP.NET Identity also allows you to choose the persistence model for user profiles in your application. You can store the data in a SQL Server database or another data store, including NoSQL data stores such as Windows Azure Storage Tables” There’s a great page on the asp.net site that gives an introduction, overview, how to use it, and how to migrate to it. I won’t be doing a new project for awhile at work, but I’ll definitely be looking into this more when I get the time.

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  • Ubuntu Server 12.04, Wifi problems

    - by brievolz84
    When I installed Ubuntu Server 12.04, I selected the ethernet adapter because I will use that most often; however, I would like to use wifi sometimes as well. This is how far I've gotten with this problem. lspci 02:00.0 Network Controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection iwconfig wlan0 IEEE a/b/g/n BSSID=off/any Mode=Managed Access Point=Not-Associated TX-Power=off Retry Long Limit:7 RTS thr:off Fragment thr:off Power Management:off I tried to do iwconfig wlan0 up but that doesn't work either. The error message said something along the lines of rfkill but I'm not connected to the Internet to download that particular program. Any help here would be great

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  • ignore this test

    - by Name
    http://markitup.jaysalvat.com/downloads/markupsets/wiki/set.js Here is a useful construct when trying to hide variables from the parent namespace. All the code within the function is contained in the private scope of the function, meaning it is allowed. So you've become comfortable with jQuery and would like to learn how to write your own plugins. Great! You're in the right spot. Extending jQuery with plugins and methods is very powerful and can save you and your peers a lot of development time by abstracting your most clever functions into plugins. This post will outline the basics, best practices, and common pitfalls to watch out for as you begin writing your plugin.

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  • How do I make 3finger multitouch work on Samsung 530?

    - by RiaD
    I have Samsung 530U4C. How can I configure 3-finger gestures to work? Choosing next photo using 3 finger "scrool" worked in Windows 7. If I use synclient TapButton3=2 I may use it as medium mouse button, but there's problem: it gets cancelled after reboot, and as I read over the Internet, sometime else. Moreover, it would be great to see all gestures my laptop support and configure them all as I need. I find some info about touchegg, but I didn't manage to understand what it exactly is and even run it. Two-finger gestures works fine(configured using System setting menu)

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  • Best advice for game programmer who wants to go indie?

    - by JStriedinger
    So. I'm working right now as an intern in a mobile game development company. I've used Unity quite a lot for 1 year now but, that's about all the experience I have with game design/development. Here's the things. I wanna go indie, the main reason is for fun, I really enjoy games and by making indie games I believe I can let my imagination fly and make personal personal stuff. Unfortunately I...I just don't know where to start! I'm interestes in making mobile and web games so what...should I download Stencyl? Construct 2?...XCODE for iOS, maybe a great plugin for Unity would be fine? What whould be your single best advice for someone like me? (programmer and interestes in design) :)

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  • Ubuntu 12.04 - what is it with the keyboard layout resets?

    - by pjskyboy
    so, on each reboot my keyboard always resets to US (!?) sudo dpkg-reconfigure keyboard-configuration gives temporary relief. Is there a way to make it permanent? I tried: sudo dpkg-reconfigure console-setup This did not work, and on reboot gnome3 was no longer responsive so I am back to gnome classic.... My other grumbles are here: https://plus.google.com/113037534656133512306/posts/iWjU4zzvVdW Please stop breaking Ubuntu, it used to be great now its as bad as Windows used to be..... which now only costs £70 and is no where near as high maintenance.

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  • Filling up the empty blocks when the player touches the safe zone again! using cocos2d

    - by user3445020
    Hi guys i am stuck with filling up the data of all the blocks which are empty like the ones in the image. As you can see there i have a pacman like object where i will be moving around. But when you are in the empty space where there are no Blue boxes available i should be able to add new blocks in the path of my pacman and when it touches any other blue boxes like in the below case if my pacman touches the top row of the blue box i should be able to fill all the empty boxed inside the border of the path created by pacman. For now i am using a 2d bool array to store all the filled boxed info like if there is a box inside i am making that cell in an array as true. But how to fill the area with blue boxes after player finishes his path ? Any help would be great thank you. More info about this problem is here: filling the empty spaces in a certain region in a grid using c++ Same problem

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  • Does Your Business Really Need a Search Engine Optimization Specialist?

    If you're an individual or an organization planning to employ a search engine optimization professional, you might first want to consider the possibility of doing this work yourself. Certainly, a search engine optimization consultant can boost your site and perhaps help save you time and effort, yet the fact is that SEO is hardly an advanced science, and there are just a handful of authentic professionals within the field. So, if you depend on somebody else to be in charge of your search engine optimization, there's a high probability that the person will not possess a great deal more knowledge than you. And if you lack any knowledge, all the relevant information is easy to obtain.

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  • How to Automate Checking for Stolen Content?

    - by Hisoka
    So I know about tools like Copyscape and Google Alerts.. great tools, but it's quite tedious for me to copy and paste an URL or phrase for every one of my pages in my sites. Is there any tool out there that monitors your website and emails you or alerts you whenever someone has stolen content from your site? The only service I know is CopySentry and honestly, it's too expensive for me since I got thousands of pages I want to monitor... Anyone else have this problem? or is it just me? Thanks for any help.

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