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• game is playing but broken graphics

  - by mewanttux

  I installed Steam on Lubuntu and wanted to play dota2 (it has source engine) and it sayed i need a 3dts driver or something but i installed it alredy. I can start dota now, but when i start a game it is not... displaying correctly. For example when i pick a hero the 3d modell is covered in some kind of a lasershow and the map...... i looked around a bit think it is because of the drivers and i should have mesa 9. Steam can show the system specs and it says that i have nouveau Gallium 0.4 on NVAA as driver and 3.0 Mesa 10.0.0-devel (git-1100093 saucy-oibaf-ppa) as driverversion and OpenGL 3.0 i am a noob on linux and need step by step guides please

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• XNA Octree with batching

  - by Alex

  I'm integrating batching in my engine. However I'm using an octree which is auto generated around my scene. Now batching renders a hole group at ones while an octree sorts out which objects that should be rendered within the camera frustum, therefore dividing the group. Batching and octree doesn't go along very well, right? Problem: The way I see it I have two options, either create batch groups based on objects who are close to one another within the octree or I can rebuild the batching matrixbuffer for the instances visible each frame. Which approach should I go with or does there exist another solution?

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• SharePoint Search Problem: The start address sps3://server cannot be crawled.

  - by Clara Oscura

  With this post, I'm going to start a series on problems I have encountered with SharePoint search. Error: The start address sps3://luapp105 cannot be crawled. Context: Application 'Search_Service_Application', Catalog 'Portal_Content' Details:  Access is denied. Verify that either the Default Content Access Account has access to this repository, or add a crawl rule to crawl this repository. If the repository being crawled is a SharePoint repository, verify that the account you are using has "Full Read" permissions on the SharePoint Web Application being crawled.   (0x80041205) (Event ID: 14, Task Category: Gatherer) Solution: give appropriate permissions to User Profile Synchronisation Service http://social.technet.microsoft.com/Forums/en-US/sharepoint2010setup/thread/64cdf879-f01e-4595-bc52-15975fefd18d http://www.dotnetmafia.com/blogs/dotnettipoftheday/archive/2010/03/29/how-to-set-up-people-search-in-sharepoint-2010.aspx

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• Is it normal to sometimes take a while to get even basic things working in software development?

  - by user1092719

  This is a little hard to explain because it's a really generic question, but bear with me... I find that when I am doing or recreating basic things from scratch (i.e. without the help of libraries), sometimes it feels as though I'm taking much more time to do the task than is actually needed. I am not new to programming or development & design concepts and have worked extensively with around 9 languages and various platforms and paradigms over 5/6 years. Although I don't yet have any academic qualification for programming and have learned almost exclusively from the Internet, I have been told that the quality of my code is excellent by those with qualifications. So, I don't think I'm a bad programmer because I really love doing it and working with software architecture, but maybe I'm slow? Or is it normal to take sometimes longer than it seems necessary to do basic tasks?

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• XNA Spritebatch sorting by texture vs depth

  - by Motig

  I am refining my 2D game engine, and I want to look in to sorting sprite batches by texture (because I'm quite often using the same textures repeatedly). However, I also want to retain a few 'layers' of depth (i.e. ground < buildings < units < GUI etc). My question is, which of the following is the best approach (in terms of performance)? Create multiple SpriteBatches and Begin() and End() them in order; or... Create a single SpriteBatch and call Begin() and End() multiple times, once for each layer (in order)?

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• desktop problems in 12.04

  - by joe

  I recently upgraded from 11.10 (i think that was the last version that was out) to 12.04 and ever since i have been unable to start my computer (hp pavillion dv2815nr) in the "normal" mode, but have had to start it using previous versions. Every time I go to start it, it has a plain red screen (which it does in the previous versions as well) and the desktop icons will not respond. Also, the task bar at top is essentially missing, only having a thin black line there, and also missing the icon bar that "pops out" when you scroll along the left side of the screen. Essentially, I'm locked out in normal mode. Nothing will respond.

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• What type of application is this called?

  - by boatingcow

  I am working on a web-based application which combines elements of what my client would call a CMS (content management system) and CRM (customer relations management) but also adds in many other business-specific features such as bookings management, staff task allocation management, wages calculations, document version control etc. However, I'm struggling to find a catch-all term for this type of application so I can research how other people have gone about creating such an integrated solution. Can anyone recommend a term I can use to refer to this, both internally in our team, for the client so they know what to call the 'system' and also for me personally, so that I can ask the Stack community further questions?

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• Multiple weapons for android game

  - by Z3r0

  I am trying to make a 3D game for android using the Rajawali engine to render the 3D graphics and blender for designing my models(exporting as .md2), and I want my character to be able to change weapons, armor, helm, etc. Rendering every possible animation would be too much: if I had 10 different weapons, 10 armor and 10 helm, I would have to create 1000 animations with every possible equipment and if I add boots to list it would be even worse. I read somewhere you can use bones for this; but in Android, I only get the object itself to work with. Does anyone has an idea how i can solve this? If I make the weapon a different object how do I parent it to my models in my game?

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• How do I get started with fog type effects in a first person game?

  - by Dream Lane

  Hey guys, I'm currently using JME3 to learn 3d game development in java, and I have run into a situation. I would like to add fog effects to my games, but I don't even know where to start to implement this. I know how to set the camera's far frustum to limit the render distance, but that just simply makes a sharp cutoff. I'd like the fog it up a bit to make it feel more natural. I'm looking for an answer that points me into the correct direction. I'm not looking for specific code snippets or even JME3's engine specifics. I just want to get an idea of how this stuff works in general. Thanks!

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• "Index of ..." directory's files listing

  - by Tony

  On my courses we've got homework on site in folders such as: http://example.com/files/tasks1-edc34rtgfds http://example.com/files/tasks2-0bg454fgerg http://example.com/files/tasks3-h1dlkjiojo8 ... Each tasksi-xxxxxxxxxxx is a folder with 11 random characters at the end. And when you view the above URLs in browser you can see Index of /tasksi-xxxxxxxxx with all the files in that folder. When you view http://example.com/files/ you can see only empty html with words "Hello, world". The problem is that you can't look into the next task without knowledge of its URL. So for example we've got the URLs for tasks1 and tasks2, and we can't guess what tasks3 URL will be (as we need to know the 11 random characters at the end) How can I get the list of all directories? (Is there a way to type something like http://example.com/files/task1-aflafjal343/..? or another way?) I want to see all upcoming homework tasks.

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• How would I use JBox2d in Java?

  - by BluFire

  So I did some research and a found Box2d. I then proceeded to download it and the testbed. Now that i have it, I don't know how to properly use it. I'm looking for a clear simple answer on how to use the engine. The things I did was that I put it into a lib folder and referenced the JBox2D jar file. After that i got stuck. How can i use this to program games for android? I'm very confused since Box2d was intended for C++.

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• Moving Data From Excel to SQL Server - 10 Steps to Follow

  SQL Server Integration Services provide a versatile way of reading Excel files into SQL Server. A task like this illustrates the advantages of the graphical approach of SSIS. Andy Brown explains. Want to work faster with SQL Server?If you want to work faster try out the SQL Toolbelt. "The SQL Toolbelt provides tools that database developers as well as DBAs should not live without." William Van Orden. Download the SQL Toolbelt here.

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• Who Provides Internet Service for My Internet Service Provider?

  - by Jason Fitzpatrick

  You pay your Internet Service Provider (ISP) for internet access, and they turn on the sweet, sweet, fire hose of data for you. But who provides the flow for your ISP? Read on to learn the ins and outs of global data delivery. Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-drive grouping of Q&A web sites. HTG Explains: How Windows Uses The Task Scheduler for System Tasks HTG Explains: Why Do Hard Drives Show the Wrong Capacity in Windows? Java is Insecure and Awful, It’s Time to Disable It, and Here’s How

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• What technology to use for turn-based game server? [closed]

  - by mekanikus

  If I create a mobile turn-based game which could consist from 2 up to 6 players. I expect the server to support for about hundreds of game. And I aim for something free and not costly technology. What software and hardware recommendation would be enough for me? I've found some game server engine such as photon. But is it too much for a simple game? I'm thinking of using REST technology with F3 PHP server and Mysql. Will it be adequate? Will only one physical server enough? What is the hardware recommendation for the server?

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• Do I need a Point and a Vector object? Or just using a Vector object to represent a Point is ok?

  - by JCM

  Structuring the components of an engine that I am developing along with a friend (learning purposes), I came to this doubt. Initially we had a Point constructor, like the following: var Point = function( x, y ) { this.x = x; this.y = y; }; But them we started to add some Vector math to it, and them decided to rename it to Vector2d. But now, some methods are a bit confusing (at least in my opinion), such as the following, which is used to make a line: //before the renaming of Point to Vector2, the parameters were startingPoint and endingPoint Geometry.Line = function( startingVector, endingVector ) { //... }; I should make a specific constructor for the Point object, or there are no problems in defining a point as a vector? I know a vector have magnitude and direction, but I see so many people using a vector to just represent the position of an object.

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• Subtext 2.5 is released!

  After more then one year since last release, we are happy to announce that the new version of Subtext, number 2.5, has just been released. The main features are the new dashboard, featuring the Ayendes formula for blog post popularity, and a improved site-wide search based on Lucene.net. More about that will be published shortly, in the meantime you can read how the search engine has been implemented using Lucene.net. Lots of improvements have been made to the codebase of Subtext for this release: ...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 can I programmatically block user input for a given time?

  - by black_puppydog

  As a person working in computer science working offline to avoid facebook and thelike is not always (meaning hardly ever) possible for me since I mostly have to be online to work. I have tried leechblock and similar things but the problem becomes that at some point I start making systems for myself to hack, which is kind of pointless if oyu have root. I would very much like to try out the method described here. (Short version: reboot your PC every time finish a task or get bored with it) Unlike for the author of this blog my work is mainly done not in screen sessions but in IDEs ans other not-so-fast-to-start-up stuff, meaning a full reboot including loading all my programs will take its time. So, the question is: How can I block all user input and preferrably blank the screen for a given amount of time? The idea would then be to have a keyboard shortcut to activate the script/program (which would probably also have to have root i guess?)

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• Can't remove c:/ubuntu folder pleas help?

  - by user98978

  hi today i downloaded ubuntu with wubi-installer on my windows 7 machine but after restarting pc and booting in ubuntu installer my pc shuts down while installing because my laptops battery was gone empty i forgot to plug in my adapter so ubunutu fails to install, then i booted in windows 7 to uninstall ubuntu from add/remove programs en reainstall but the uninstaller did not fully remove the files i still have i folder in my c:/ubuntu when i double click on that folder my explorer.exe stops responding and than i need to open the task manager to kill the explorer.exe procces and restart it and right clicking does the same thing i cant do anyting with c:/ubuntu folder to reinstall ubuntu with wubi i have used unlocker1.9 to remove the folder but i get an error saying Error 0x8007045D: The request could not be performed because of an I/O device error HUH ! please help please :( EDIT: Okay i fixed my problem after following this instruction ! i don't understand why you people did not ask me to do this but it's okay i forgive you my poeple LoL !

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• How to design an interface, where things need to be called in a specific sequence?

  - by Vorac

  The task is to configure a piece of hardware within the device, according to some input specification. This should be achieved as follows: 1) Collect the configuration information. This can happen at different times and places. For example, module A and module B can both request (at different times) some resources from my module. Those 'resources' are actually what the configuration is. 2) After it is clear that no more requests are going to be realized, a startup command, giving a summary of the requested resources, needs to be sent to the hardware. 3) Only after that, can (and must) detailed configuration of said resources be done. 4) Also, only after 2), can (and must) routing of selected resources to the declared callers be done. A common cause for bugs, even for me, who wrote the thing, is mistaking this order. What naming conventions, designs or mechanisms can I employ to make the interface usable by someone who sees the code for the first time?

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• What advantages are conferred by using server-side page rendering?

  - by user1303881

  I am developing a web app and I have currently written the entire website in html/js/css and on the backend I have servlets that host some RESTFUL services. All the presentation logic is done through getting json objects and modifying the view through javascript. The application is essentially a search engine, but it will have user accounts with different roles. I've been researching some frameworks such as Play and Spring. I'm fairly new to web development, so I was wondering what advantages using server side page rendering would provide? Is it: Speed? Easier development and workflow? Access to existing libraries? More? All of the above?

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• Games with user-supplied artifical intelligence (AI) engines?

  - by RoboShop

  I remember Microsoft used to have this AI game for the .NET framework which allowed you to program a species and this species could be introduced to an "ecosystem" full of species that other people had programmed and they could interact with each other, etc. I can't remember what it was called, but I remembered thinking it was a pretty good idea. Are there any other similiar sites like that, which allows you to design some sort of AI engine and pit it against other programmer's creations? It could be an ecosystem type thing, or it could be a card or board game.

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• calling methods if previous call success

  - by New Developer

  I my c# program I have to perform 5 steps(tasks) sequentially. basically these five should execute one after the other only the previous task performed is success. Currently I have done it in following style. But this is not very good code style to follow. var isSuccess=false; isSuccess=a.method1(); if(isSuccess) isSuccess=a.method2(); if(isSuccess) isSuccess=a.method3(); if(isSuccess) isSuccess=a.method4(); if(isSuccess) isSuccess=a.method5(); How can I re factor this code. What is the best way I can follow?

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• There are some more places available on the SQLBits training days

  - by simonsabin

  We’ve moved a few things around which has freed up some places on the Performance Monitoring and the Optimising BI Training Days at SQLBits 8. SQL Server Performance Monitoring and Troubleshooting with Klaus Aschenbrenner It's Monday, 10:30am. You are just receiving an email that informs you that your SQL Server has enormous performance problems! What can you do? How can you identify the problem and resolve it fast? Which tools provides you SQL Server for this task? In this workshop you will...(read more)

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• where can i learn to make 3d games in java from scratch?

  - by dfhgdfnhgfn

  Just wondering if anyone knows of anything i can read or watch that explains 3D graphics. i do not want to use any game engine like jogl etc. but i am looking for a way i can learn in detail how 3D works. preferably in java. I have used some game engines but would prefer to learn to make for myself. I would also like to do it without the java3d library. I have also watched some tutorials on 3d games in java, but would like to learn in more detail. Thanks.

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• Career in Artificial Intelligence [closed]

  - by Rohit S

  AI has many branches and seems like it has a bigger scope. I have seen a tutorial of Neural Networks and I'm a little confused whether Neural Networks is another branch of AI or it is a technique which is being used in branches of AI. I am mainly interested in creating software like Neural Networks that can be trained for doing a task. I like to make things automated with programming languages. So can I start with Neural Networks? And also a very important matter: what will be the scope of a job in future and in which companies?

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