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• Is there a simple way to stop enemies standing in the same spot?

  - by Iain

  So: top-down game, my enemies chase the player, when they get within a certain distance they stand still and fire. If they're all coming from the same direction they all end up standing in the same spot (i.e. standing "within" each other), as I'm not currently doing collision detection between enemies - they are free to pass over each other. What's a simple way around this? Either some form of collision detection or some ai?

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• SQLAuthority News SQL Server 2008 R2 Hosted Trial

  This is a bit old news but for me but it will new for many of you know. SQLPASS, Dell, Microsoft and MaximumASP has come together and build hosted environment for free to all of us to use and experiment with. Register now to try out up to seven labs: SQL Server 2008 R2 [...]...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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• A hotfix is available for ASP.NET 2.0 that enables support for extended protection

  981201 ... A hotfix is available for ASP.NET 2.0 that enables support for extended protectionThis RSS feed provided by kbAlerz.com.Visit kbAlertz.com to subscribe. It's 100% free and you'll be able to recieve e-mail or RSS updates for the technologies you pick from the Microsoft Knowledge Base....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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• 2-d lighting day/night cycle

  - by Richard

  Off the back of this post in which I asked two questions and received one answer, which I accepted as a valid answer. I have decided to re-ask the outstanding question. I have implemented light points with shadow casting as shown here but I would like an overall map light with no point/light source. The map setup is a top-down 2-d 50X50 pixel grid. How would I go about implementing a day/night cycle lighting across a map?

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• Visual Studio 2010 Takes the Cake for Vermont.NETs April 12th Meeting

  Sorry, my cheesy title just could not be helped. Were getting a cake for the Vermont.NET VS2010 launch meeting on April 12th (www.vtdotnet.org for more info). Since there seems to be no high resolution logo available, I created this image for the local bakery to scan and put on the cake....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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• System X Marks the Spot

  Server Snapshot: IBM's innovation isn't limited to its POWER-based servers. A host of new System x and BladeCenter offerings are poised to bring Big Blue to the top volume spot.

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• Coding4Fun Toolkit for WP7 Overview and Getting Started

  - by help.net

  This post is an overview of the new Coding4Fun Windows Phone Toolkit . It offers developers additional controls and helper classes for Windows Phone 7 application development, designed to match the rich user experience of the Windows Phone 7. The official Coding4Fun tools were released yesterday by the Microsoft Coding4fun team, as always the full source code and a sample test project are also available (the whole toolkit is completely FREE). Some of the "geeks" involved in this cool project are...(read more)

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• Is MongoDB a good choice or not for my application?

  - by shubham

  I have a Reporting application which stores the reports in xml format as recieved from source (XML schema is not defined, it can be any format) and those reports contain some keys and values. Like jobid, setid be keys for 1 type of report and userid, groupId for another type of report etc. The type of keys that can be referred from the document is determined by the namespaces used in the xml doc. These keys are stored on the basis of namespace used in the xml document. For e.g. If a tag in xml fragment uses namespace= "myspace1", then I have keys A and B for myspace1 stored in another table. It will fetch those keys from that table for this namespace, look for their values in xml doc and store it in another table along with the pointer to this xml document (Id of a record storing complete xml document in a cell). Use cases: When the user comes and queries for that key and value, I return the document or a set of documents that are having those key/value pairs. When the user comes and queries for a certain key and provide a name for xslt (pre stored), I fetch the set of documents fulfilling that criteria and convert that xml to html with the specified xslt. When the user comes and asks for a particular fragment of a doc then it can fetch a subset from a particular document also. When the user comes and queries for top x values of a certain key, I return the set of documents that are having top 10 values of that key. I am using DB2 database for its support of xml along with relational capabilities. That makes easier for me to run xpath expressions and fetch values of keys and also aggregate a set of documents fullfilling a criteria, all on the database side. Problems: DB2 stores XML doc of upto 2GB in size. Retrieval is very slow. If some thing involves many documents, then it takes significant time for things to show up in browser, and the user has to wait. Can MongoDb help in this case, as it is document oriented? can I do xml related xpath queries and document transformations on db side? Or is it ok to use both in such a case?

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• System X Marks the Spot

  Server Snapshot: IBM's innovation isn't limited to its POWER-based servers. A host of new System x and BladeCenter offerings are poised to bring Big Blue to the top volume spot.

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• Check whether JavaScript and Cookie are enabled using custom control

  A custom control for checking whether JavaScript and Cookie are enabled in the client browser...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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• Script to create or drop all primary keys now on TechNet Wiki.

  - by John Paul Cook

  I posted my script to create or drop all primary keys on the TechNet Wiki. You can find it at http://social.technet.microsoft.com/wiki/contents/articles/script-to-create-or-drop-all-primary-keys.aspx . I first published the script here in 2009 and I've always wanted a way for the community to enhance it or correct it. The TechNet Wiki makes that possible. Visit the Wiki and see if you like this approach to publishing scripts....(read more)

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• Should I go back to college and graduate with a poor GPA or try to jump into an entry-level development position? [closed]

  - by jshin47

  I once attended a top-10 American university but I am currently not in school for several different reasons. Chief among them is that I did very poorly two semesters and even failed one of them (got two F's) which put me in automatic suspension. My major is not CS but math. I am in a pickle at the moment. After I was suspended I got a job at a niche IT company in the area. I am employed as something of an IT generalist; my primary responsibilities are Windows systems administration/networking but I also do some Android, iOS, and .NET development. I have released a few apps to the app store under my name and my company's name, and we have done work for a few big clients. I started working at my job about 1.5 years ago and I am somewhat happily employed but I do not see it as a long-term fit because it is a small company with little opportunity to advance. I would like to move out to California and particularly to the Bay Area to get a job at a more reputable or exciting company, even at a lower rate of pay, but I am not sure if I should do that or try to go back to school. If I went back to school, it would take 1-1.5 years to graduate and some $. Best case scenario I would graduate with a 2.9 or 3.0 GPA. It is a top-10 school, but that's a crappy GPA. If I do not go back to school, I will be a field where most people have degrees, without a degree. If anything goes wrong I could be really screwed as I feel I will get no respect without a degree. On the other hand I really would like to get started in the field and get more serious about developing good development practices, learning new languages/frameworks, and working with people who know a lot more than I so I can learn and grow as a developer and eventually do my own thing. Basically, I am wondering: Should I just go back to school? How much does the bad GPA / good school reputation weigh in? What about the fact that I am a Math major and not a CS major (have never taken a CS course)? Does my skill set as something of a generalist bode well for me finding work at a start up in the Bay Area? If not (2), should I hunker down and focus on producing a really good (or a few medicore) iOS apps? Android apps? etc... How would you look at someone who did great in HS, kind of goofed off in college and eventually quit, and got into development? Thanks for any thoughts or input.

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• SQLAuthority News Microsoft SQL Server Protocol Documentation Download

  The Microsoft SQL Server protocol documentation provides detailed technical specifications for Microsoft proprietary protocols (including extensions to industry-standard or other published protocols) that are implemented and used in Microsoft SQL Server to interoperate or communicate with Microsoft products.The documentation includes a set of companion overview and reference documents that supplement [...]...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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• Generating triangles from a square grid

  - by vivi

  I have a 2D square grid of values representing terrain elevations, and I want to generate triangles from that grid to make a 3D view of the terrain. My first thought was to split each square diagonally into 2 triangles, however the split diagonal can clearly be seen, especially from the top : [Sorry, as a new user I can't post images, please see here : imgur] Is there a recommended way to generate triangles to remove/reduce this effect ?

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• My 5th App

  - by Richard Jones

  So, I’ve just completed my 5th commercial iPhone App.   Always when I move to a new programming language I take a test application and port it to learn.   So my equivalent of “Hello World” app.  is - http://itunes.apple.com/gb/app/iching-master/id424495901?mt=8 I built this, as an app about a year ago,  but figured that it worked so well on iOS that I would get it published. Technorati Tags: I-Ching,iChing,iPhone,iTunes

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• Debugging HLSL for Windows 8 application [migrated]

  - by Shervanator

  i'm currently in the process of creating a Windows 8 applicaiton using SharpDX (the managed c# directx wrapper). However I have ran into problems with one of my shaders and I want to know if its possible to debug such applications. PIX doesn't seem to work of directX apps as the executable does not like opening directly, and the new visual studio graphics debugging toolkit in VS2012 always states "unable to start the experiment" when I try to capture any information about my session. Thanks!

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• MSDN Radio: SharePoint 2010 for Developers

  When Microsoft SharePoint Server 2010 is released, it will offer new tools that make customizing and extending your applications much easier. Join us as we talk with Steve Fox, a Senior Evangelism Manager with the Developer and Platform Evangelism team. We'll explore the tools, what's possible, and take your questions....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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• New Videos in the Tailspin Spyworks series live.

  Weve posted a few new videos in the Tailspin Spyworks tutorial serials. Many more in the works ! http://www.asp.net/web-forms/fundamentals http://www.asp.net/aspnet-4/videos http://www.asp.net/aspnet-4/videos/tailspin-spyworks-display-the-product-list http://www.asp.net/aspnet-4/videos/tailspin-spyworks-display-per-product-details...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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• Should a programmer be indispensable?

  - by Tim

  As a programmer or system administrator, you could either strive to have your fingers in every system or to isolate yourself as much as possible to become an easily-substituted cog. Advantages of the latter include being able to take vacations and not being on call, while the former means that you'd always have something to do and be very difficult to fire. Aiming for either extreme would require a conscious effort. Except for the obvious ethical considerations, what should one strive for?

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• Where can I find a legal "permission to work on open source" document?

  - by Nathan Long

  One of the things I really like about my current job is that we developers are encouraged to make open source contributions. However, this encouragement has always been verbal. I've read some horror stories about developers having their open-source work legally claimed by their employer. I'd be more comfortable if we had something in writing from my employer saying that contributions are allowed and not owned by the company. Understanding that you are not lawyers, does anyone know where to find a boilerplate document to this effect?

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• Crystal Reports: 3 New Uses For Sub Reports

  I hate sub reports and always consider them the last resort in any reporting solution. The negative effect on performance and maintainability is just not worth the easy ride they give the report writer. Nine times out of ten reporting requirements can be met using a little forethought and planning (and a solid understanding of formulas). With that said, there are a few novel ways of using sub reports which will not affect performance and actually prove a boon to the developer.

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• I owe you an explanation

  - by Blueberry Coder

  Welcome to my blog! I am Frédéric Desbiens, a new member of the ADF Product Management team.  I joined Oracle only a few weeks ago. My boss is Grant Ronald, and I have the privilege to work in the same team as Susan Duncan, Frank Nimphius, Lynn Munsinger and Chris Muir. I share with them a passion for all things Java and ADF. With this blog, I hope to help you be more successful with our products – whether you are a customer or a partner. You may have heard of me before. Maybe you have my book in your bookshelf; or maybe we met at a conference. I went to JavaOne, ODTUG Kaleidoscope and Oracle OpenWorld in the past, when I worked for a major consulting firm. I will spare you all the details of my career; you can have a look at my LinkedIn profile if you are curious about my past.  Usually, my posts will be of a technical nature, and will focus on Oracle ADF and Oracle JDeveloper. SOA and portals have always been two topics of interest for me, however, and I will write about them. Over time, you will probably get acquainted with my « strategic » side as well. I devour history books, and always had a tendency to look at the big picture. I will probably not resist to the temptation of mixing IT and history, but this will be occasional, I promise!  At this point, I owe you an explanation about the title of the blog. I am French-Canadian, and wanted to evoke my roots in an obvious yet unobtrusive way. I was born in Chicoutimi, which is one of the main cities found in the Saguenay-Lac-Saint-Jean region. Traditionally, a large part of the wild blueberry production of the province of Québec come from there. A common nickname for the inhabitants is thus Les Bleuets, « The Blueberries » in English. I hope to see you around. You can also follow me on Twitter under  @BlueberryCoder.

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• Search Engine Optimization For Beginners - How to Write Search Engine Friendly Articles

  If you're planning to implement Search Engine Optimization as an Internet Marketing strategy to boost your site's online coverage then you need to focus one of the most important steps to produce quality results -- writing content. There is more to writing articles or Web content than just stuffing it full of keywords just to make it easy for search engine to find your page and put you on top. There are certain rules to be followed in order for this to be an effective strategy for your SEO.

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• Game state management (Game, Menu, Titlescreen, etc)

  - by munchor

  Basically, in every single game I've made so far, I always have a variable like "current_state", which can be "game", "titlescreen", "gameoverscreen", etc. And then on my Update function I have a huge: if current_state == "game" game stuf ... else if current_state == "titlescreen" ... However, I don't feel like this is a professional/clean way of handling states. Any ideas on how to do this in a better way? Or is this the standard way?

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• CLR JIT Bugs Found During IKVM.NET Development

  "It is actually fairly common that people notice that things fail under retail but not debug and tend to blame code generation. While a code generation bug is possible, as a matter of statistics, it is not likely." -- Vance MorrisonDateCLRArchTypeDescription2010-06-12 v4 x64 Incorrect code Optimizer incorrectly propagates invariants.2010-06-04 v2, v4 x86 Crash ...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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