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• Going back to ASP.Net Webforms from ASP.Net MVC. Recommend patterns/architectures?

  - by jlnorsworthy

  To many of you this will sound like a ridiculous question, but I am asking because I have little to no experience with ASP.Net Webforms - I went straight to ASP.Net MVC. I am now working on a project where we are limited to .Net 2.0 and Visual Studio 2005. I liked the clean separation of concerns when working with ASP.Net MVC, and am looking for something to make webforms less unbearable. Are there any recommended patterns or practices for people who prefer asp.net MVC, but are stuck on .net 2.0 and visual studio 2005?

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• Stop Screenlets from minimizing

  - by Capt.Nemo

  I've setup my screenlets exactly the way that I want them, but I don't have a quick access to any of them. The screenlet config offers me the following : keep above,below, sticky, locky, widget. Out of these only treat as Widget seems to be of any use here. I just looked at this in detail and thought it was what I was looking for. It might have been a workaround for the issue (instead of minimizing I would just press F9. But this means that the widget hides itself from the normal desktop, which is not what I want. What I want is that on pressing Ctrl+Alt+D or Super+D, I should see the desktop with my screenlets there. I don't want them to minimize with the rest of the windows. As a final struggle, I've thought of a solution using compiz to declare the screenlet windows as non-minimizing, but surely there must be a better way than that. (Instructions for this would be helpful as well - I'm not sure what to enter in the rule matches)

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• Is reference to bug/issue in commit message considered good practice?

  - by Christian P

  I'm working on a project where we have the source control set up to automatically write notes in the bug tracker. We simply write the bug issue ID in the commit message and the commit message is added as a note to the bug tracker. I can see only a few downsides for this practice. If sometime in the future the source code gets separated from the bug tracking software (or the reported bugs/issues are somehow lost). Or when someone is looking in the history of commits but doesn't have access to our bug tracker. My question is if having a bug/issue reference in the commit message is considered good practice? Are there some other downsides?

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• Survival rate of open source projects

  - by Shogoot

  I'm trying to write a paper on why or why not an open source project will have good odds for survival or not. I've found very few articles on the Internet on the topic or I'm just searching with the wrong terms. I've tried: "open source" survival "open source" success failure "open source" determinants for success So far i've only found this, which says some on the topic. So I turn to you my dear stackers! Help me find some arguments and articles that will throw some clarity on the subject.

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• Sql Server Data Tools & Entity Framework - is there any synergy here?

  - by Benjol

  Coming out of a project using Linq2Sql, I suspect that the next (bigger) one might push me into the arms of Entity Framework. I've done some reading-up on the subject, but what I haven't managed to find is a coherent story about how SQL Server Data Tools and Entity Framework should/could/might be used together. Were they conceived totally separately, and using them together is stroking the wrong way? Are they somehow totally orthogonal and I'm missing the point? Some reasons why I think I might want both: SSDT is great for having 'compiled' (checked) and easily versionable sql and schema But the SSDT 'migration/update' story is not convincing (to me): "Update anything" works ok for schema, but there's no way (AFAIK) that it can ever work for data. On the other hand, I haven't tried the EF migration to know if it presents similar problems, but the Up/Down bits look quite handy.

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• Simple script to get referenced table and their column names

  - by Peter Larsson

  -- Setup user supplied parameters DECLARE @WantedTable SYSNAME   SET     @WantedTable = 'Sales.factSalesDetail'   -- Wanted table is "parent table" SELECT      PARSENAME(@WantedTable, 2) AS ParentSchemaName,             PARSENAME(@WantedTable, 1) AS ParentTableName,             cp.Name AS ParentColumnName,             OBJECT_SCHEMA_NAME(parent_object_id) AS ChildSchemaName,             OBJECT_NAME(parent_object_id) AS ChildTableName,             cc.Name AS ChildColumnName FROM        sys.foreign_key_columns AS fkc INNER JOIN  sys.columns AS cc ON cc.column_id = fkc.parent_column_id                 AND cc.object_id = fkc.parent_object_id INNER JOIN  sys.columns AS cp ON cp.column_id = fkc.referenced_column_id                 AND cp.object_id = fkc.referenced_object_id WHERE       referenced_object_id = OBJECT_ID(@WantedTable)   -- Wanted table is "child table" SELECT      OBJECT_SCHEMA_NAME(referenced_object_id) AS ParentSchemaName,             OBJECT_NAME(referenced_object_id) AS ParentTableName,             cc.Name AS ParentColumnName,             PARSENAME(@WantedTable, 2) AS ChildSchemaName,             PARSENAME(@WantedTable, 1) AS ChildTableName,             cp.Name AS ChildColumnName FROM        sys.foreign_key_columns AS fkc INNER JOIN  sys.columns AS cp ON cp.column_id = fkc.parent_column_id                 AND cp.object_id = fkc.parent_object_id INNER JOIN  sys.columns AS cc ON cc.column_id = fkc.referenced_column_id                 AND cc.object_id = fkc.referenced_object_id WHERE       parent_object_id = OBJECT_ID(@WantedTable)

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• Software Architecture - From design to sucessful implementation

  - by user20358

  As the subject goes; once a software architect puts down the high level design and approach to a software that is to be developed from scratch, how does the team ensure that it is implemented successfully? To my mind the following things will need to be done Proper understanding of requirements Setting down coding practices and guidelines Regular code reviews to ensure the guidelines are being adhered to Revisiting the requirements phase and making necessary changes to design based on client inputs if there are any changes to requirements Proper documentation of what is being done in code Proper documentation of requirements and changes to them Last but not the least, implementing the design via object oriented code where appropriate Did I miss anything? Would love to hear any mistakes that you have learned from in your project experiences. What went wrong, what could have been done better. Thanks for taking the time..

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• Android/Java AI agent framework/middleware

  - by corneliu

  I am looking for an AI agent framework to use as a starting point in an Android game I have to create for a university research project. It has been suggested to me to use JADE, but, as far as I can tell, it's not a suitable framework for games (at least for my game idea) because it runs in a split-execution mode, and it needs an always-active network connection to a main host. What I want is just a little something to give me a headstart. I am willing to adjust the game's features to the framework because it's more of a mockup game, and the purpose is to compare the performance of a couple of agents in the game world. The game will be very simplistic, with a minimal UI that displays various stats about the characters in the game (so no graphics, no pathfinding). Thank you.

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• MongoDB, 5 characters, and a free job board

  Today I came across shapado.com - a StackExchange-like open source system running on ruby and mongodb. It took a couple clicks and a few keystroke, and I had http://jobs.shapado.com/ setup and running for free. It was a quasi joke at first, but I figured it might be helpful to get this up and running. So, if you have any jobs to post, or would like to request work, please post away :) You can also set up your own, or download the source from the seemingly unreliable gitorious.    ...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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• Day 1 - Finding Like Minds

  - by dapostolov

  So, is being a Game Developer any different from being an IT Developer? I picture a poorly lit environment where I get to purchase my own desk lamp; I'm thinking one of those huge lava lamps that pump out so much heat you could fry an egg on it. To my right: a "great wall" of empty coke cans dwarf me. Eating my last slice of pizza I look across my desk to see a fellow developer with a smug look on his face;  he's just coded his latest module for the game and it looks like he's in nirvana. My duty, of course, is to remind him to keep focused on the job at hand. So, picking up my trusty elastic and aerodynamically crafted paper bullet I begin a 10 minute war of welts and laughter which is promptly abrupted by our Project Manager demanding more details from our morning Scrum meeting. After providing about 5 minutes of geek speak and several words of comfort to make his eyes glaze over...it hits me, the idea for the module...beckoning my developer friend over, we quickly shoo the Project Manager away and begin our brainstorming frenzy ... now, where'd I put that full can of coke? OK. OK. This isn't probably the most ideal game developer environment, but it definitely sounds fun to me...and from what I gather is nothing like most game development companies. But I'm not doing this blog series to "go pro"; like I stated in my first post I want to make a 2D game from an idea my best friend and I drummed up long, long ago. I'm in this for the passion AND I want to see how easy it is for us .Net Developers to create a game. So where do I start? Where can I find like minded individuals? What technologies are there? What do I need to make a video game? The questions are endless....AND...since I already have an idea ... lets start with ... Technology (yes, I'm a geek, live with it...) Technology OK. Predominantly, games are still made in C++ or even C. I'm not sure how much assembly code is floating around lately, however, that is not my concern. I do know C / C++ from my past, enough to even get me by, but I'm mainly interested in a recent, not-so-new, technology called XNA. What is XNA? XNA allows us .Net Developers to make 2D / 3D games for windows, Xbox*, and Windows Mobile 7*. * = for a nominal fee *cough* The following link is your one stop shop to XNA game development: http://creators.xna.com/en-US/education/gettingstarted The above site hosts information such as: - getting started - a sample/instructional shooter game in 2D / 3D with code (if I'm taking too long for you in this blog series) - downloads - starter kits... http://creators.xna.com/en-US/education/starterkits/ And of course...forums. You can also subscribe and pay for their premium membership which gets you some pretty awesome tutorials, resources, downloads, and premium community support. Some general Wiki information about XNA: http://en.wikipedia.org/wiki/XNA_%28Microsoft%29 Community Support OK. Let's move on to industry and community support. Apart from XNA, there are some really cool sites out there, I just haven't found all of them yet. However, I found a really cool Game Development website called Gamastura. You can click on the following link to get you there: http://www.gamasutra.com/ The site is 100% dedicated to "The Art & Business of Making Games". Armed with blogs, twitter, jobs/resumes and most importantly industry news; one could subscribe to the feed and got lost in the wealth of information it provides. On a side note: I remember Gamasutra being around when my best friend and I wanted to make a video game...meaning, they've been around for a while now. I think the most beneficial aspect of this site is to understand the industry you want to get into. Otherwise, it's just a cool site to keep up to date with the industry in general. Another Community Support option is LinkedIn. Amongst the land of extremely bloated achievements and responsibilities lay 3 groups (that I have found) that deal with game development.: http://www.linkedin.com/groups?gid=59205 - Game Developers http://www.linkedin.com/groups?gid=824817 - DirectX Game Developer Network http://www.linkedin.com/groups?gid=756587 - DirectX Developers The Game Developers group in LinkedIn is by far the most active of the three and could possibly provide a wealth of support. What I've done thus far: - I lightly researched the XNA technology - I looked around for some community sites to assist me - I downloaded the XNA Game Studio 3.1 on my PC and installed it on my IDE - I even tried both tutorials! http://creators.xna.com/en-US/education/gettingstarted/bgintro/chapter1   Best Regards D.

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• Trying to detect collision between two polygons using Separating Axis Theorem

  - by Holly

  The only collision experience i've had was with simple rectangles, i wanted to find something that would allow me to define polygonal areas for collision and have been trying to make sense of SAT using these two links Though i'm a bit iffy with the math for the most part i feel like i understand the theory! Except my implementation somewhere down the line must be off as: (excuse the hideous font) As mentioned above i have defined a CollisionPolygon class where most of my theory is implemented and then have a helper class called Vect which was meant to be for Vectors but has also been used to contain a vertex given that both just have two float values. I've tried stepping through the function and inspecting the values to solve things but given so many axes and vectors and new math to work out as i go i'm struggling to find the erroneous calculation(s) and would really appreciate any help. Apologies if this is not suitable as a question! CollisionPolygon.java: package biz.hireholly.gameplay; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import biz.hireholly.gameplay.Types.Vect; public class CollisionPolygon { Paint paint; private Vect[] vertices; private Vect[] separationAxes; CollisionPolygon(Vect[] vertices){ this.vertices = vertices; //compute edges and separations axes separationAxes = new Vect[vertices.length]; for (int i = 0; i < vertices.length; i++) { // get the current vertex Vect p1 = vertices[i]; // get the next vertex Vect p2 = vertices[i + 1 == vertices.length ? 0 : i + 1]; // subtract the two to get the edge vector Vect edge = p1.subtract(p2); // get either perpendicular vector Vect normal = edge.perp(); // the perp method is just (x, y) => (-y, x) or (y, -x) separationAxes[i] = normal; } paint = new Paint(); paint.setColor(Color.RED); } public void draw(Canvas c, int xPos, int yPos){ for (int i = 0; i < vertices.length; i++) { Vect v1 = vertices[i]; Vect v2 = vertices[i + 1 == vertices.length ? 0 : i + 1]; c.drawLine( xPos + v1.x, yPos + v1.y, xPos + v2.x, yPos + v2.y, paint); } } /* consider changing to a static function */ public boolean intersects(CollisionPolygon p){ // loop over this polygons separation exes for (Vect axis : separationAxes) { // project both shapes onto the axis Vect p1 = this.minMaxProjection(axis); Vect p2 = p.minMaxProjection(axis); // do the projections overlap? if (!p1.overlap(p2)) { // then we can guarantee that the shapes do not overlap return false; } } // loop over the other polygons separation axes Vect[] sepAxesOther = p.getSeparationAxes(); for (Vect axis : sepAxesOther) { // project both shapes onto the axis Vect p1 = this.minMaxProjection(axis); Vect p2 = p.minMaxProjection(axis); // do the projections overlap? if (!p1.overlap(p2)) { // then we can guarantee that the shapes do not overlap return false; } } // if we get here then we know that every axis had overlap on it // so we can guarantee an intersection return true; } /* Note projections wont actually be acurate if the axes aren't normalised * but that's not necessary since we just need a boolean return from our * intersects not a Minimum Translation Vector. */ private Vect minMaxProjection(Vect axis) { float min = axis.dot(vertices[0]); float max = min; for (int i = 1; i < vertices.length; i++) { float p = axis.dot(vertices[i]); if (p < min) { min = p; } else if (p > max) { max = p; } } Vect minMaxProj = new Vect(min, max); return minMaxProj; } public Vect[] getSeparationAxes() { return separationAxes; } public Vect[] getVertices() { return vertices; } } Vect.java: package biz.hireholly.gameplay.Types; /* NOTE: Can also be used to hold vertices! Projections, coordinates ect */ public class Vect{ public float x; public float y; public Vect(float x, float y){ this.x = x; this.y = y; } public Vect perp() { return new Vect(-y, x); } public Vect subtract(Vect other) { return new Vect(x - other.x, y - other.y); } public boolean overlap(Vect other) { if( other.x <= y || other.y >= x){ return true; } return false; } /* used specifically for my SAT implementation which i'm figuring out as i go, * references for later.. * http://www.gamedev.net/page/resources/_/technical/game-programming/2d-rotated-rectangle-collision-r2604 * http://www.codezealot.org/archives/55 */ public float scalarDotProjection(Vect other) { //multiplier = dot product / length^2 float multiplier = dot(other) / (x*x + y*y); //to get the x/y of the projection vector multiply by x/y of axis float projX = multiplier * x; float projY = multiplier * y; //we want to return the dot product of the projection, it's meaningless but useful in our SAT case return dot(new Vect(projX,projY)); } public float dot(Vect other){ return (other.x*x + other.y*y); } }

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• Building a custom Xsession with VNC access

  - by Disco

  I have a small project where I'll need to build a very minimal X11 environnement for a cyber coffee kind shop. My idea is to have a simple server which will create a dozen of VNC Daemon listening on a different port (each port = one client). The server is working, i can connect using vnc to different port. Now i'm looking for a solution to create a customized desktop for each client; with a bare minimum of apps which i want to be able to add for each user. Like user1 will have app1 and app2, user2 will have app1 only etc. I plan to use openbox as a WM but no clue on 'how' to add custom icons on the desktop of it. Any clue, starting point would be interesting.

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• How to install Ubuntu over http in virtual manager?

  - by Bond

  Hi, I am having a situation where I can not use a CD or PxE boot or wubi to install.I need to necessarily do an http install of Ubuntu.I am basically trying to create a guest OS in a virtualization setup on Xen on a non VT hardware. On a non VT hardware the virt-manager does not allow to install from local ISO or PXE even the only option is via a URL on http:// Here is what I did: 1) Download ubuntu 10.04 32 bit ISO 2) Kept it in /var/www (apache2 is running) 3) renamed it to ubuntu.iso and when I reached a stage where installation begins I gave path hxxp://localhost/ubuntu.iso but I got an error any installable distribution not found. 4) After this I did mkdir /var/www/sk mount -t iso9660 /var/www/ubuntu.iso /var/www/sk -o loop and this time during the installation I gave path http://localhost/sk I was able to see the contents in browser http://localhost/sk which you will see in a normal CD. But beginning installation I got same error ValueError: Could not find an installable distribution at 'http://localhost/sk So I want to just confirm if http install is done only this way or some other way because the installation is not proceeding.

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• Unbutu 10.10 (MAVERICK) live cd booting?

  - by D3c3nt Boy

  I am user of window and i had keen to shift on LINUX so i made live cd of UNBUTU 10.10 (MAVERICK) THIS IS MY VERY FIRST TIME TO USE UNBUTU I put cd in cd drive and set bios setup and unbutu cd worked and logo of unbutu appear on screen but suddenly before start up screen it shows this Busy Box v 1.5 (Unbutu 1: 1.15.31 unbutu5) built in shell (ash) enter help for a list of built in commands When i type help and press enter the list of commands appear like below alias break cd chdir command continue echo eval exec export filse getopts hash help let local printf pwd read readonly return set shift source test This is my first time so i have no idea what to do i restart my pc several but it happens every time plz help me. what should i do? Sorry for my

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• Web Developer Portfolio - Role Definition

  - by GSTAR

  I'm just putting together a portfolio that lists all the websites I have developed / worked on during the past year. Now this has become quite a long list - simply because 60% of the websites I have listed are ones where I have developed certain sections of the site, or maybe re-developed a certain section of an existing site - but not actually developed the whole site. So basically you could say I made a 20-50% contribution on those particular sites. I don't want to give the false impression to a potential employer that I have actually fully developed all the sites listed on my portfolio. Therefore I am after a neat way to indicate this fact. On the websites that I have fully developed, I have put a small label next to the name which reads "Lead Developer". What would be the equivalent label to put on the sites I have partially developed, or projects where I have been amongst multiple people developing? I suppose what I'm asking is, how would you define, in 2-3 words a non-lead developer role within a project?

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• Publish/Subscribe/Request for exchange of big, complex, and confidential data?

  - by Morten

  I am working on a project where a website needs to exchange complex and confidential (and thus encrypted) data with other systems. The data includes personal information, technical drawings, public documents etc. We would prefer to avoid the Request-Reply pattern to the dependent systems (and there are a LOT of them), as that would create an awful lot of empty traffic. On the other hand, I am not sure that a pure Publisher/Subscriber pattern would be apropriate -- mainly because of the complex and bulky nature of the data to be exchanged. For that reason we have discussed the possibility of a "publish/subscribe/request" solution. The Publish/Subscribe part would be to publish a message to the dependent systems, that something is ready for pickup. The actual content is then picked up by old-school Request-Reply action. How does this sound to you?? Regards, Morten

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• Zune API Library for Python

  - by kerry

  I am about to start working on a Python project for work. So I thought it was probably time to learn Python! This weekend I took on this task. I decided to rewrite a library I wrote in PHP to access Zune user data. I got it finished and decided to put it on github. Usage is simple: zuneCard = ZuneCard('ZuneTagHere') You can access things like user information, favorites, recent plays, and most played. The properties are documented (pydoc, under /docs). So for the 1 other person that may use this, you’re welcome!

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• structure problem in Relational DBMS creation

  - by Kane

  For learning and understanding purpose, I currently want to try to make a small relational DBMS with simple features like (for now) only sequential reading/writing and CREATE TABLE, INSERT, SELECT, UPDATE and DELETE management. I am currently on the "think" part of the project and I am stuck on the way to store the read data in memory. First I was thinking of putting them properly on a structure, but the problem is that tables are all different, know the type of each column is not an issue, but I am not sure C provide a way to make fully dynamic structure. My second and current idea is to make a simple char array of the required length and just get the data by order with cast. But I am not sure if it is the good way to do that part, so I wanted to ask for your opinion and advices about that. Thanks in advance for your help. nb: I hope my question is enough clear and understandable, I still lack of pratice in english

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• Should tests be in the same ruby file or in separeted ruby files?

  - by Junior Mayhé

  While using Selenium and Ruby to do some functional tests, I am worried with the performance. So is it better to add all test methods in the same ruby file, or I should put each one in separated code files? Below a sample with all tests in the same file: # encoding: utf-8 require "selenium-webdriver" require "test/unit" class Tests < Test::Unit::TestCase def setup @driver = Selenium::WebDriver.for :firefox @base_url = "http://mysite" @driver.manage.timeouts.implicit_wait = 30 @verification_errors = [] @wait = Selenium::WebDriver::Wait.new :timeout => 10 end def teardown @driver.quit assert_equal [], @verification_errors end def element_present?(how, what) @driver.find_element(how, what) true rescue Selenium::WebDriver::Error::NoSuchElementError false end def verify(&blk) yield rescue Test::Unit::AssertionFailedError => ex @verification_errors << ex end def test_1 @driver.get(@base_url + "/") # a huge test here end def test_2 @driver.get(@base_url + "/") # a huge test here end def test_3 @driver.get(@base_url + "/") # a huge test here end def test_4 @driver.get(@base_url + "/") # a huge test here end def test_5 @driver.get(@base_url + "/") # a huge test here end end

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• Who does code coverage testing?

  - by Athiruban

  Recently, I was given an opportunity to increase the code coverage in a project based on Java Swing, MySQL and other technologies. They told me to bring the code coverage to 100%, while it was only 45% at the time I joined. I am just starting, not a professional developer, right from the beginning I felt bad even though I write and understand computer programs well. (The developed code contains a lot of technical stuff like Generics and no documentation about the code is available.) Has anyone experienced the same situation before? Please tell who is the right person to do the job.

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• Libnoise producing completely random noise

  - by Doodlemeat

  I am using libnoise in C++ taken and I have some problems with getting coherent noise. I mean, the noise produced now are completely random and it doesn't look like a noise. Here's a to the image produced by my game. I am diving the map into several chunks, but I can't seem to find any problem doing that since libnoise supports tileable noise. The code can be found below. Every chunk is 8x8 tiles large. Every tile is 64x64 pixels. I am also providing a link to download the entire project. It was made in Visual Studio 2013. Download link This is the code for generating a chunk Chunk *World::loadChunk(sf::Vector2i pPosition) { sf::Vector2i chunkPos = pPosition; pPosition.x *= mChunkTileSize.x; pPosition.y *= mChunkTileSize.y; sf::FloatRect bounds(static_cast<sf::Vector2f>(pPosition), sf::Vector2f(static_cast<float>(mChunkTileSize.x), static_cast<float>(mChunkTileSize.y))); utils::NoiseMap heightMap; utils::NoiseMapBuilderPlane heightMapBuilder; heightMapBuilder.SetSourceModule(mNoiseModule); heightMapBuilder.SetDestNoiseMap(heightMap); heightMapBuilder.SetDestSize(mChunkTileSize.x, mChunkTileSize.y); heightMapBuilder.SetBounds(bounds.left, bounds.left + bounds.width - 1, bounds.top, bounds.top + bounds.height - 1); heightMapBuilder.Build(); Chunk *chunk = new Chunk(this); chunk->setPosition(chunkPos); chunk->buildChunk(&heightMap); chunk->setTexture(&mTileset); mChunks.push_back(chunk); return chunk; } This is the code for building the chunk void Chunk::buildChunk(utils::NoiseMap *pHeightMap) { // Resize the tiles space mTiles.resize(pHeightMap->GetWidth()); for (int x = 0; x < mTiles.size(); x++) { mTiles[x].resize(pHeightMap->GetHeight()); } // Set vertices type and size mVertices.setPrimitiveType(sf::Quads); mVertices.resize(pHeightMap->GetWidth() * pHeightMap->GetWidth() * 4); // Get the offset position of all tiles position sf::Vector2i tileSize = mWorld->getTileSize(); sf::Vector2i chunkSize = mWorld->getChunkSize(); sf::Vector2f offsetPositon = sf::Vector2f(mPosition); offsetPositon.x *= chunkSize.x; offsetPositon.y *= chunkSize.y; // Build tiles for (int x = 0; x < mTiles.size(); x++) { for (int y = 0; y < mTiles[x].size(); y++) { // Sometimes libnoise can return a value over 1.0, better be sure to cap the top and bottom.. float heightValue = pHeightMap->GetValue(x, y); if (heightValue > 1.f) heightValue = 1.f; if (heightValue < -1.f) heightValue = -1.f; // Instantiate a new Tile object with the noise value, this doesn't do anything yet.. mTiles[x][y] = new Tile(this, pHeightMap->GetValue(x, y)); // Get a pointer to the current tile's quad sf::Vertex *quad = &mVertices[(y + x * pHeightMap->GetWidth()) * 4]; quad[0].position = sf::Vector2f(offsetPositon.x + x * tileSize.x, offsetPositon.y + y * tileSize.y); quad[1].position = sf::Vector2f(offsetPositon.x + (x + 1) * tileSize.x, offsetPositon.y + y * tileSize.y); quad[2].position = sf::Vector2f(offsetPositon.x + (x + 1) * tileSize.x, offsetPositon.y + (y + 1) * tileSize.y); quad[3].position = sf::Vector2f(offsetPositon.x + x * tileSize.x, offsetPositon.y + (y + 1) * tileSize.y); // find out which type of tile to render, atm only air or stone TileStop *tilestop = mWorld->getTileStopAt(heightValue); sf::Vector2i texturePos = tilestop->getTexturePosition(); // define its 4 texture coordinates quad[0].texCoords = sf::Vector2f(texturePos.x, texturePos.y); quad[1].texCoords = sf::Vector2f(texturePos.x + 64, texturePos.y); quad[2].texCoords = sf::Vector2f(texturePos.x + 64, texturePos.y + 64); quad[3].texCoords = sf::Vector2f(texturePos.x, texturePos.y + 64); } } } All the code that uses libnoise in some way are World.cpp, World.h and Chunk.cpp, Chunk.h in the project.

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• 12.10 Booting Into Variations Of Blank Screen

  - by user93954

  I've been running the Ubuntu 12.10 beta since about a month before the final release with almost no problems. However since the day of release (I'm assuming an update has caused this) I have had problems booting into the actual GUI interface. Trying to get it to work is just a case of hard shutting down until it works, but for most of the time I need to battle with various different kinds of black screens. These include a plain black screen, a flashing line and a flashing line that doesn't fit the resolution. Nine times out of ten the cursor will be displayed over these. It also sometimes manages to boot into Ubuntu, albeit text mode or sometimes it loads GRUB which it isn't setup to do. If anyone could help out with this it'd be great. I really, really don't want to have to go through yet another clean installation. Cheers.

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• Internet Explorer 9 At MIX10

  Check out this great Internet Explorer 9 (IE9) video interview from this years MIX10 conference. John Hrvatin is a Lead Microsoft PM on the IE9 Project. Johns a smart guy who patiently answered all my questions about IE9. Thanks John! I highly recommend watching this video to see why IE9 sounds so exciting: In the video, John demos IE9 and openly discusses: IE9 Features and performance HTML5 support Gives a IE9 demo Explains new IE9 JavaScript engine (JIT, Multicore, GPU Powered)...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 install a Lexmark z600 series printer?

  - by Uri Herrera

  It has been a headache trying to install this printer. All the tutorials I found are for older versions of Ubuntu, and none of them work. How can I install this printer? Edit: HOWTO: Install PITA Lexmark Z600 Z615 and Dell Photo Printer 720 Setup Lexmark Z600 and X series printer on Ubuntu (i tried this one, only that it was translated to spanish, but it was the same instructions) HOWTO: Lexmark Printers I always get an error when extracting the converted tars with all of the tuts, invalid argument or the file doesn't exist. Looks like, i was missing some ia32 libs .. and that caused the errors with the tar files, anyways i still can't print now i get this, cups-insecure-filter How to install Lezmark Z600 series printer Here, the OP offers 2 debs, i installed them on a 32 bit Ubuntu install, now the printer gets recognized but still can't print, 'cause i'm missing a filter, "rastertoz600".

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• What label of tests are BizUnit tests?

  - by charlie.mott

  BizUnit is defined as a "Framework for Automated Testing of Distributed Systems.  However, I've never seen a catchy label to describe what sort of tests we create using this framework. They are not really “Unit Tests” that's for sure. "Integration Tests" might be a good definition, but I want a label that clearly separates it from the manual "System Integration Testing" phase of a project where real instances of the integrated systems are used. Among some colleagues, we brainstormed some suggestions: Automated Integration Tests Stubbed Integration Tests Sandbox Integration Tests Localised Integration Tests All give a good view of the sorts of tests that are being done. I think "Stubbed Integration Tests" is most catchy and descriptive. So I will use that until someone comes up with a better idea.

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