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• VS 2010 IDE Features in a nutshell

  - by Rajesh Pillai

  Going through a VS 2010 IDE Features.  We will explore each feature in subsequent posts.  The post are documented as being reviewed by me.   Breakpoint Labeling Breakpoint Searching Breakpoint Import/Export Dynamic Data Tooling WPF Tree Visualizer Call Hierarchy Improved WPF Tooling Historical Debugging Mini-Dump Debugging Quick Search Better Multi-Monitor Support Highlight References Parallel Stacks Window Parallel Tasks Window Document Map Margin Generate from Usage Concurrency Profiler Inline Call Tree Extensible Test Runner MVC Tooling Web Deploy JQuery IntelliSense SharePoint Tooling HTML Snippets Web.config Transformation ClickOnce Enhancements for MS Office     VS is an editor as well as a platform for development and this is only more true with VS 2010.  As an editor there is improved forcus on writing code, understanding code, navigating and publishing code.   VS Shell has been completely rewritten using WPF extending huge benefits.  The start page has been rewritten using XAML, so it is easy to customize.   Support new support for Silverlight, MFC, F# , Azure and extended support for Office 2010, Sharepoint.   Has a good Extension Manager as well.   Enjoy Coding !!!

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• What happened to Alan Cooper's Unified File Model?

  - by PAUL Mansour

  For a long time Alan Cooper (in the 3 versions of his book "About Face") has been promoting a "unified file model" to, among other things, dispense with what he calls the most idiotic message box ever invented - the one the pops up when hit the close button on an app or form saying "Do you want to discard your changes?" I like the idea and his arguments, but also have the knee-jerk reaction against it that most seasoned programmers and users have. While Cooper's book seems quite popular and respected, there is remarkably little discussion of this particular issue on the Web that I can find. Petter Hesselberg, the author of "Programming Industrial Strength Windows" mentions it but that seems about it. I have an opportunity to implement this in the (desktop) project I am working on, but face resistance by customers and co-workers, who are of course familiar with the MS Word and Excel way of doing things. I'm in a position to override their objections, but am not sure if I should. My questions are: Are there any good discussions of this that I have failed to find? Is anyone doing this in their apps? Is it a good idea that it is unfortunately not practical to implement until, say, Microsoft does it?

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• Worldwide Web Camps

  - by ScottGu

  Over the next few weeks Microsoft is sponsoring a number of free Web Camp events around the world.  These provide a great way to learn about ASP.NET 4, ASP.NET MVC 2, and Visual Studio 2010. The Web Camps are two day events.  The camps aren’t conferences where you sit quietly for hours and people talk at you – they are intended to be interactive.  The first day is focused on learning through presentations that are heavy on coding demos.  The second day is focused on you building real applications using what you’ve learned.  The second day includes hands-on labs, and you’ll join small development teams with other attendees and work on a project together. We’ve got some great speakers lined up for the events – including Scott Hanselman, James Senior, Jon Galloway, Rachel Appel, Dan Wahlin, Christian Wenz and more.  I’ll also be presenting at one of the camps. Below is the schedule of the remaining events (the sold-out Toronto camp was a few days ago): Moscow May 19-19 Beijing May 21-22 Shanghai May 24-25 Mountain View May 27-28 Sydney May 28-29 Singapore June 04-05 London June 04-05 Munich June 07-08 Chicago June 11-12 Redmond, WA June 18-19 New York June 25-26 Many locations are sold out already but we still have some seats left in a few of them.  Registration and attendance to all of the events is completely free.  You can register to attend at www.webcamps.ms. Hope this helps, Scott

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• CodePlex Daily Summary for Wednesday, October 10, 2012

  CodePlex Daily Summary for Wednesday, October 10, 2012Popular ReleasesA C# 4.0 Push Notification Helper Library for WP7.0 & WP7.1: Easy Notification 1.0.0: New Feature - Send Tile, Toast & Raw Notifications to Windows Phone Devices. New Feature - Supports Windows Phone 7.0 & Windows Phone 7.1. New Feature - Validation rules are in-built for Push Notification Messages. New Feature - Strongly typed interfaces. New Feature - Supports synchronous & asynchronous methods to send notifications. New Feature - Supports authenticated notifications using X509 Certificates. New Feature - Supports Callback Registration Requests. New Feature - S...D3 Loot Tracker: 1.5.4: Fixed a bug where the server ip was not logged properly in the stats file.Captcha MVC: Captcha Mvc 2.1.2: v 2.1.2: Fixed problem with serialization. Made all classes from a namespace Jetbrains.Annotaions as the internal. Added autocomplete attribute and autocorrect attribute for captcha input element. Minor changes. v 2.1.1: Fixed problem with serialization. Minor changes. v 2.1: Added support for storing captcha in the session or cookie. See the updated example. Updated example. Minor changes. v 2.0.1: Added support for a partial captcha. Now you can easily customize the layout, s...DotNetNuke® Community Edition CMS: 06.02.04: Major Highlights Fixed issue where the module printing function was only visible to administrators Fixed issue where pane level skinning was being assigned to a default container for any content pane Fixed issue when using password aging and FB / Google authentication Fixed issue that was causing the DateEditControl to not load the assigned value Fixed issue that stopped additional profile properties to be displayed in the member directory after modifying the template Fixed er...Online Image Editor: Online Image Editor v1.1: If you have problems with this tool, please email me at amisouvikdas@gmail.com or You can also participate this project to improve this.Advanced DataGridView with Excel-like auto filter: 1.0.0.0: ?????? ??????Microsoft Ajax Minifier: Microsoft Ajax Minifier 4.69: Fix for issue #18766: build task should not build the output if it's newer than all the input files. Fix for Issue #18764: build taks -res switch not working. update build task to concatenate input source and then minify, rather than minify and then concatenate. include resource string-replacement root name in the assumed globals list. Stop replacing new Date().getTime() with +new Date -- the latter is smaller, but turns out it executes up to 45% slower. add CSS support for single-...WinRT XAML Toolkit: WinRT XAML Toolkit - 1.3.3: WinRT XAML Toolkit based on the Windows 8 RTM SDK. Download the latest source from the SOURCE CODE page. For compiled version use NuGet. You can add it to your project in Visual Studio by going to View/Other Windows/Package Manager Console and entering: PM> Install-Package winrtxamltoolkit Features Attachable Behaviors AwaitableUI extensions Controls Converters Debugging helpers Extension methods Imaging helpers IO helpers VisualTree helpers Samples Recent changes NOTE:...DevLib: 69721 binary dll: 69721 binary dllVidCoder: 1.4.4 Beta: Fixed inability to create new presets with "Save As".MCEBuddy 2.x: MCEBuddy 2.3.2: Changelog for 2.3.2 (32bit and 64bit) 1. Added support for generating XBMC XML NFO files for files in the conversion queue (store it along with the source video with source video name.nfo). Right click on the file in queue and select generate XML 2. UI bugifx, start and end trim box locations interchanged 3. Added support for removing commercials from non DVRMS/WTV files (MP4, AVI etc) 4. Now checking for Firewall port status before enabling (might help with some firewall problems) 5. User In...DotNetNuke Boards: 01.00.00: This beta release represents the end of training session 1, based on jQuery and Knockout integration in DotNetNuke 6.2.3. It is designed to allow a single user or multiple users to add/edit/delete cards but no cards can be assigned to anyone at this point. This release is not intended for production use!Sandcastle Help File Builder: SHFB v1.9.5.0 with Visual Studio Package: General InformationIMPORTANT: On some systems, the content of the ZIP file is blocked and the installer may fail to run. Before extracting it, right click on the ZIP file, select Properties, and click on the Unblock button if it is present in the lower right corner of the General tab in the properties dialog. This release supports the Sandcastle October 2012 Release (v2.7.1.0). It includes full support for generating, installing, and removing MS Help Viewer files. This new release suppor...ClosedXML - The easy way to OpenXML: ClosedXML 0.68.0: ClosedXML now resolves formulas! Yes it finally happened. If you call cell.Value and it has a formula the library will try to evaluate the formula and give you the result. For example: var wb = new XLWorkbook(); var ws = wb.AddWorksheet("Sheet1"); ws.Cell("A1").SetValue(1).CellBelow().SetValue(1); ws.Cell("B1").SetValue(1).CellBelow().SetValue(1); ws.Cell("C1").FormulaA1 = "\"The total value is: \" & SUM(A1:B2)"; var...Json.NET: Json.NET 4.5 Release 10: New feature - Added Portable build to NuGet package New feature - Added GetValue and TryGetValue with StringComparison to JObject Change - Improved duplicate object reference id error message Fix - Fixed error when comparing empty JObjects Fix - Fixed SecAnnotate warnings Fix - Fixed error when comparing DateTime JValue with a DateTimeOffset JValue Fix - Fixed serializer sometimes not using DateParseHandling setting Fix - Fixed error in JsonWriter.WriteToken when writing a DateT...Readable Passphrase Generator: KeePass Plugin 0.7.2: Changes: Tested against KeePass 2.20.1 Tested under Ubuntu 12.10 (and KeePass 2.20) Added GenerateAsUtf8 method returning the encrypted passphrase as a UTF8 byte array.JSLint for Visual Studio 2010: 1.4.2: 1.4.2patterns & practices: Prism: Prism for .NET 4.5: This is a release does not include any functionality changes over Prism 4.1 Desktop. These assemblies target .NET 4.5. These assemblies also were compiled against updated dependencies: Unity 3.0 and Common Service Locator (Portable Class Library).Snoop, the WPF Spy Utility: Snoop 2.8.0: Snoop 2.8.0Announcing Snoop 2.8.0! It's been exactly six months since the last release, and this one has a bunch of goodies in it. In particular, there is now a PowerShell scripting tab, compliments of Bailey Ling. With this tab, the possibilities are limitless. It basically lets you automate/script the application that you are Snooping. Bailey has a couple blog posts (one and two) on his tab already, and I am sure more is to come. Please note that if you do not have PowerShell installed, y....NET Micro Framework: .NET MF 4.3 (Beta): This is the 4.3 Beta version of the .NET Micro Framework. Feature List for v4.3 Support for Visual Studio 2012 (including the Windows Desktop Express version) All v4.2 QFEs features and bug fixes (PWM enhancements, lwIP and network driver reliability improvements, Analog Output, WinUSB and latest GCC support) Improved diagnostic information for deployment Decreased boot time Bug fixes Work Item 1736 - Create link for MFDeploy under start menu Work Item 1504 - Customizing lwIP o...New Projectsadcc2: adccAP.Framework: This a asp.net mvc3 of test web site .EFCodeFirst: Projeto criado para experimentos e estudos com o Entity FrameworkEXPS-RAT: HelloFiskalizacija za developere: Projekt je namijenjen razvojnim inženjerima, programerima, developerima i svima ostalima koji se bave razvojem programskih rješenja za fiskalne blagajne.Galleriffic App for SharePoint 2013: Galleriffic App is an app part for SharePoint 2013 to display a picture gallery with cool JQuery animations and effects. Hack.net: Hack.net is a Roguelike clone similar to NetHack or Roguelike.Inno Setup For .NET Application: This is a simple inno setup for .net developerJava Special Functions Library: Java Special Functions Library implemented as a public class part of my larger mathematical package.LocalFileOpener: The LocalFileOpener plugin opens an intent to help you easily open local files on the device under installed applications.localizr - .NET Collaborative Translation & Localization: Localizr is a platform for collaborative localization and translation of .NET projects.Metro UI CSS: Metro UI CSS a set of styles to create a site with an interface similar to Windows 8 Metro UI. MoskieDotNet: A sandbox for me learn some new technologies.Mouse Automation: Allows a user to automate repetitive clicking within EverQuestMS SQL DB Schema Updater: Simple tool for updating MS SQL database schema based on "ideal" database model.n8design Tools: Tools any Source Code by Stefan Bauer.NasosCS: ???? ?? ??????Pokemonochan: ALright this is a Pokemon MMo bound to come out someday!PotatoSoft: ?????????????!Power Mirrors: Leverage the usefulness of SQL Server mirrors using PowerShell and SMO. Create mirrors from scratch, assign witnesses and test failovers, all from PowerShell! Project13251010: sdfdReal Time Data Bus: A collection of real time data bus implementations.Ricky Tailor's ASP.NET Web 2.0 Project: 7COM0203 Web Scripting And Content Creation Task 1. SampleTFS2: Sample Projectslotcarduino - An Arduino based slotcar timing project: Slotcar timing project based on Arduino Uno/Mega 2560. Standalone system with serial enabled graphic display.System.Data.Entity.Repository: Entity framework code first framework wrapper with support for generic repository pattern, N-Tier application and Transaction Management for rapid developmentTest Marron: This project is a test to explore codeplexTmib Video Downloader: A small youtube video downloader. Created in C#Web Scripting & Content Creation: Fhame Rashid MSc Software Engineering Module Log: Web-Scripting and Content Creationwebbase: webbaseWebScriptingandContentCreation: This project is for the MSc module Web Scripting and Content Creation.Zuordnung: Zuordnung

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• How to convince boss to buy Visual Studio 2012 Professional

  - by Sam Leach

  The main advantage is the use of ReSharper and other add-ons but we need to make a convincing argument for the purchase of Visual Studio 2012 Professional. We are currently using Visual Studio 2012 Express for Windows. It is quite good but is hard to switch from using the full Professional version in the past. So far the team has compiled the following list: Extract Interface function missing. Very useful for clean SOLID code. No add-on support. Can’t install StyleCop or productivity tools. AnkhSvn, Spell checker, Productivity PowerTools, GhostDoc, Regex Editor, PowerCommands. The exception assistant is limited in Express edition. This is a big annoyance. See http://www.lifehacker.com.au/2013/01/ive-given-up-on-visual-studio-express-2012-for-windows-desktop-heres-why/ Different tools provided by MS like certificate generation. Possibility of create a Test project based on source code. We do server development in C# so any web add-ons or anything else is useless. The reason I am asking is I am sure that people have been in the same position. What approach did you use and can you think of additions or ammends to the above list? Thanks,

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• what does AngleVectors method in quake 3 source code does

  - by kypronite

  I just downloaded quake 3 for learning purposes. I know some of some linear algebra(basic vector math ie: dot,cross product). However I can't decipher what below method does, I know what is yaw,pitch and roll. But I can't connect these with vector. Worse, I'm not sure this fall under what math 'category', so I don't really know how to google. Hence the question here. Anyone? void AngleVectors( const vec3_t angles, vec3_t forward, vec3_t right, vec3_t up) { float angle; static float sr, sp, sy, cr, cp, cy; // static to help MS compiler fp bugs angle = angles[YAW] * (M_PI*2 / 360); sy = sin(angle); cy = cos(angle); angle = angles[PITCH] * (M_PI*2 / 360); sp = sin(angle); cp = cos(angle); angle = angles[ROLL] * (M_PI*2 / 360); sr = sin(angle); cr = cos(angle); if (forward) { forward[0] = cp*cy; forward[1] = cp*sy; forward[2] = -sp; } if (right) { right[0] = (-1*sr*sp*cy+-1*cr*-sy); right[1] = (-1*sr*sp*sy+-1*cr*cy); right[2] = -1*sr*cp; } if (up) { up[0] = (cr*sp*cy+-sr*-sy); up[1] = (cr*sp*sy+-sr*cy); up[2] = cr*cp; } } ddddd

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• javascript fixed timestep gameloop with requestanimation frame

  - by coffeecup

  hello i just started to read through several articles, including http://gafferongames.com/game-physics/fix-your-timestep/ ...://gamedev.stackexchange.com/questions/1589/fixed-time-step-vs-variable-time-step/ ...//dewitters.koonsolo.com/gameloop.html ...://nokarma.org/2011/02/02/javascript-game-development-the-game-loop/index.html my understanding of this is that i need the currentTime and the timeStep size and integrate all states to the next state the time which is left is then passed into the render function to do interpolation i tried to implement glenn fiedlers "the final touch", whats troubling me is that each FrameTime is about 15 (ms) and the update loop runs at about 1500 fps which seems a little bit off? heres my code this.t = 0 this.dt = 0.01 this.currTime = new Date().getTime() this.accumulator = 0.0 this.animate() animate: function(){ var newTime = new Date().getTime() , frameTime = newTime - this.currTime , alpha if ( frameTime > 0.25 ) frameTime = 0.25 this.currTime = newTime this.accumulator += frameTime while (this.accumulator >= this.dt ) { this.prev_state = this.curr_state this.update(this.t,this.dt) this.t += this.dt this.accumulator -= this.dt } alpha = this.accumulator / this.dt this.render( this.t, this.dt, alpha) requestAnimationFrame( this.animate ) } also i would like to know, are there differences between glenn fiedlers implementation and the last solution presented here ? gameloop1 gameloop2 [ sorry couldnt post more than 2 links.. ] edit : i looked into it again and adjusted the values this.currTime = new Date().getTime() this.accumulator = 0 this.p_t = 0 this.p_step = 1000/100 this.animate() animate: function(){ var newTime = new Date().getTime() , frameTime = newTime - this.currTime , alpha if(frameTime > 25) frameTime = 25 this.currTime = newTime this.accumulator += frameTime while(this.accumulator >= this.p_step){ // prevstate = currState this.update() this.p_t+=this.p_step this.accumulator -= this.p_step } alpha = this.accumulator / this.p_step this.render(alpha) requestAnimationFrame( this.animate ) now i can set the physics update rate, render runs at 60 fps and physics update at 100 fps, maybe someone could confirm this because its the first time i'm playing around with game development :-)

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• My experience working with Teradata SQL Assistant

  - by Kevin Shyr

  Originally posted on: http://geekswithblogs.net/LifeLongTechie/archive/2014/05/28/my-experience-working-with-teradata-sql-assistant.aspx To this date, I still haven't figure out how to "toggle" between my query windows. It seems like unless I click on that "new" button on top, whatever SQL I generate from right-click just overrides the current SQL in the window. I'm probably missing a "generate new sql in new window" setting The default Teradata SQL Assistant doesn't execute just the SQL query I highlighted. There is a setting I have to change first. I'm not really happy that the SQL assistant and SQL admin are different app. Still trying to get used to the fact that I can't quickly look up a table's keys/relationships while writing query. I have to switch between windows. LOVE the execution plan / explanation. I think that part is better done than MS SQL in some ways. The error messages can be better. I feel that Teradata .NET provider sends smaller query command over than others. I don't have any hard data to support my claim. One of my query in SSRS was passing multi-valued parameters to another query, and got error "Teradata 3577 row size or sort key size overflow". The search on this error says the solution is to cast result column into smaller data type, but I found that the problem was that the parameter passed into the where clause could not be too large. I wish Teradata SQL Assistant would remember the window size I just adjusted to. Every time I execute the query, the result set, query, and exec log auto re-adjust back to the default size. In SSMS, if I adjust the result set area to be smaller, it would stay like that if I execute query in the same window.

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• A message to Denis Pitcher

  - by guybarrette

  Denis Pitcher, You posted this comment on my blog and some other blogs: Devteach's promotion for a one year MSDN subscription was not honoured and attempts to contact them result in a "we sent attendee info to MS, it's not our problem" response while attempts to contact Microsoft result in the suggestion that any queries should be redirect to Devteach. Hopefully not all attendees we're cheated though if you're considering attending a future Devteach it is recommended that you don't hold any expectation that they'll honour their promotions. I spoke to Jean-René Roy, DevTeach organizer and also to MSDN Canada folks.  Looks like the email you used to register for the conference is now bouncing (maybe a typo when you registered?).  That why you haven’t received any news about the offer.  The fact that you’re leaving the same comment on various blogs without your email address doesn’t help at all.  Thay want to contact you!  Also, looks like they never received your emails, maybe you used a the wrong email addresses. Anyway, please contact Jean-René Roy at [email protected] ASAP.

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• deWitters Game loop in libgdx(Android)

  - by jaysingh

  I am a beginner and I want a complete example in LibGDX for android(Fixed time game loop) how to limit the framerate to 50 or 60. Also how to mangae interpolation between game state with simple example code e.g. deWiTTERS Game Loop: @Override public void render() { float deltaTime = Gdx.graphics.getDeltaTime(); Update(deltaTime); Render(deltaTime); } libgdx comments:- There is a Gdx.graphics.setVsync() method (generic = backend-independant), but it is not present in 0.9.1, only in the Nightlies. "Relying on vsync for fixed time steps is a REALLY bad idea. It will break on almost all hardware out there. See LwjglApplicationConfiguration, there's a flag in there that let s use toggle gpu/software vsynching. Play around with it." (Mario) NOTE that none of these limit the framerate to a specific value... if you REALLY need to limit the framerate for some reason, you'll have to handle it yourself by returning from render calls if xxx ms haven't passed since the last render call. li

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• Spec Lead call tomorrow - EG Nominations

  - by heathervc

  Tomorrow,  Thursday, 21 June, the PMO will host a call for JSR Spec Leads on the topic of Expert Group (EG) nominations (details below).  The materials and recording of this call will be posted here following the meeting. ------------------------------------------------------- Meeting information ------------------------------------------------------- Topic: SL call on EG nominations Date: Thursday, June 21, 2012 Time: 8:30 am, Pacific Daylight Time (San Francisco, GMT-07:00) Meeting Number: 807 980 273 Meeting Password: nominations ------------------------------------------------------- To start or join the online meeting ------------------------------------------------------- Go to https://jcp.webex.com/jcp/j.php?ED=179196322&UID=491098062&PW=NOWVlZTFiMmRj&RT=MiM0 ------------------------------------------------------- Audio conference information ------------------------------------------------------- +1 866 682 4770 conference code: 4467704 passcode: 1234 For global access numbers, see http://www.intercall.com/oracle/access_numbers.htm or call +1 408 774 4073 ------------------------------------------------------- For assistance ------------------------------------------------------- 1. Go to https://jcp.webex.com/jcp/mc 2. On the left navigation bar, click "Support". To add this meeting to your calendar program (for example Microsoft Outlook), click this link: https://jcp.webex.com/jcp/j.php?ED=179196322&UID=491098062&ICS=MS&LD=1&RD=2&ST=1&SHA2=2s01OCsteUoWfJbblKZYk913m920p54uzc7PTBRx8Do=

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• MySQL 5.5 Available on Oracle Linux 6 and RHEL 6

  - by Bertrand Matthelié

  @font-face { font-family: "Arial"; }@font-face { font-family: "Calibri"; }@font-face { font-family: "Cambria"; }@font-face { font-family: "MS Minngs"; }p.MsoNormal, li.MsoNormal, div.MsoNormal { margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman"; }a:link, span.MsoHyperlink { color: blue; text-decoration: underline; }a:visited, span.MsoHyperlinkFollowed { color: purple; text-decoration: underline; }div.Section1 { page: Section1; } Following the availability of MySQL 5.5 on Oracle Linux 6 with the Unbreakable Enterprise Kernel, MySQL 5.5 is now also available on Red Hat Enterprise Linux 6 (RHEL 6) and Oracle Linux 6 with the Red Hat compatible kernel. MySQL users can download MySQL 5.5 Community Edition binaries for Oracle Linux and Red Hat Linux 6 here. MySQL customers can rely on Oracle Premier Support for MySQL when using the MySQL database on either Oracle Linux or Red Hat Enterprise Linux 6. In addition to offering direct Linux support to customers running RHEL6, Oracle Linux 6, or a combination of both, Oracle also provides Oracle Linux 6 binaries, update and erratas for free via http://public-yum.oracle.com.

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• Not Happy With the Monochrome Visual Studio 11 Beta UI

  - by Ken Cox [MVP]

  I can’t wait for a third-party to come out with tools to return some colour to the flat, monochrome look of Visual Studio 11 (beta). What bugs me most are the icons. I feel like a newbie when I have to squint and analyze the shape of icons on the debugging toolbar just to get the one I want. (Fortunately, the meddlers didn’t mess with the keyboard commands so I’m not totally lost.) Not sure what usability studies told MS that bland is better. Maybe it is for most people, but not for me.  Gray, shades of gray and black. Ugh. And don’t get me started on the stupidity of using all-caps for window titles. Who approved that? I see that there’s a UserVoice poll on the topic (http://visualstudio.uservoice.com/forums/121579-visual-studio/suggestions/2623017-add-some-color-to-visual-studio-11-beta) but I doubt that anything will change Microsoft’s opinion in time for the release. Once a product gets to a stable beta, most non-crashing stuff gets pushed to the next version. I hope I’m proved wrong. Fortunately, Visual Studio is quite customizable. Unless ‘Bland’ is hard-coded, some registry tweaks and a collection of replacement icons should allow dissenters like me back to productivity. BTW, other than hating the UI, VS 11 beta is working quite well for me on a .NET 4 project.Note: Although my username for the ASP.NET domain includes the letters "[MVP]", I'm no longer an MVP. Apparently it's nearly impossible to change a username in the system. My apologies for the misleading identifier but I tried to have it changed without success.

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• Explaining the difference between OData & RDF by way of analogy

  - by jamiet

  A couple of months back I wrote a blog post entitled Microsoft, OData and RDF where I gave a high level view of the OData protocol and how it compares to RDF. I talked about linked data, triples and such like which may have been somewhat useful however jargon-heavy. Earlier today Dr Michael Hausenblas (blog | twitter) offered an analogy which I think is probably more useful and with Michael's permission I'm re-posting it here:Imagine a Web (a Web of Documents, if you wish), which is not based on HTML and hyperlinks, but on MS Word documents. The documents are all available on the Internet, so you can download them and consume the content. But after you’re done with a certain document that talks about a book, how do you learn more about it? For example, reviews about the book or where you can purchase it? Maybe the original document mentions that there is some more related information on another server. So you’d need to go there and look for the related bit of information yourself. You see? That’s what the Web is great at – you just click on a hyperlink and it takes you to the document (or section) you’re interested in. All the legwork is taken care of for you through HTML, URIs and HTTP.Hm, right, but how is this related to OData? Well, OData feels a bit like the above mentioned scenario, just concerning data. Of course you – well actually rather a software program I guess – can consume it (a single source), but that’s it.from Oh – it is data on the Web by Michael Hausenblas I believe that OData has loads of use cases but its important to understand its limitations as well and I think Michael has done a good job of explaining those limitations.@Jamiet   Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• Cost to licence characters or ships for a game

  - by Michael Jasper

  I am producing a game pitch document for a university game design class, and I am looking for examples of licencing cost for using characters or ships from other IP holders in a game. For example: cost of using an X-Wing in a game, licencing from Lucas cost of using the Enterprise in a game, licencing from Paramount cost of using the Space Shuttle (if any), licencing from Nasa EDIT The closest information I can find is from an article about Nights of the Old Republic, but isn't nearly specific enough for my needs: What Kotick means by Lucas being the principal beneficiary of the success of The Old Republic is that there are most likely clauses in the license agreement that give percentages, points, or another denomination of revenue out to Lucas and his people just for the Star Wars name, and that amount is presumed to be a great deal of money. Kotick is saying that because the cost of the license is so prohibitive, as he has personally had experience with in his position as CEO of Activision Blizzard, that EA will not be able to be profitable because of the hemorrhaging of money to the licensor. EDIT 2 Another vague source stating that FOX uses a "five-figure rule" (assuming between $10,000 - $99,000) It seems FOX, like most studios, will not license individuals to create new works based upon their products. They will only commission individuals of their choosing if they elect to branch out into expanded product lines related to those licenses. Alternately, they are open to making the licencing available to large corporations with access to global markets, but only if those corporations agree to what Ms Friedman called a "five-figure guarantee". Presumably this means that the corporation seeking the licensing must agree to pay a 5-figure sum for that license, and be confident that their product will sell enough volume to recoup that fee, and to produce sufficient profits to make the acquisition worth their while. Thank you!

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• N64oid Brings N64 Emulation to Android Devices

  - by ETC

  Craving some Ocarina of Time adventures, Super Mario 64 antics, or some Star Fox 64 flying on your Android device? N64oid brings retro emulation of Nintendo’s popular N64 console to Android devices. N64oid is an N64 console emulator for Android devices. You’ll need a copy of the $5.99 emulator, ROMs (from the usual sources, unless you’ve got a ROM ripping setup in your basement and a stack of old cartridges), and a suitably speedy Android device. Older Android devices will find the playback choppy and subpar, but newer and speedier devices like the Nexus-One and Samsung Galaxy should have no problem handling the emulator. Like all emulators N64oid is a work in progress and emulating an entire closed-system console on a totally different set of hardware is never a perfect 1:1 emulation, but if you’re a die hard fan of classic N64 titles (check out this list of top ranked titles to inspire some nostalgia) N64oid is worth the price of a burger for sure. N64oid [Android Market via Download Squad] Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Super-Charge GIMP’s Image Editing Capabilities with G’MIC [Cross-Platform] Access and Manage Your Ubuntu One Account in Chrome and Iron Mouse Over YouTube Previews YouTube Videos in Chrome Watch a Machine Get Upgraded from MS-DOS to Windows 7 [Video] Bring the Whole Ubuntu Gang Home to Your Desktop with this Mascots Wallpaper Hack Apart a Highlighter to Create UV-Reactive Flowers [Science]

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• DNS and VPN issues

  - by Lewis

  I recently purchased a year contract for a KVM 512MB VPS running Ubuntu 11.04. I'm having some issues setting up some things on it though - two in particular that I just can't for the life of me figure out. Okay, so I'm trying to setup pptpd as my VPN for my iPhone and my Mac when I'm out on wireless networks. I'm able to login and the chap authenticates but that's as far as I get, no domains will resolve and end up loading forever, I uncommented ms-dns lines as someone had recommended to me and changed the DNS servers to Googles public ones with no luck, is there something I'm missing? (It's probably staring me in the face.) My second issue is that I have managed to setup LAMP but am having a problem with my domain, I have pointed the DNS at 123-reg to my VPS's IP and the 'www .' resolves properly, but when I try to go to the domain without the 'www .' I get the apache landing page ("The web server software is running but no content has been added, yet.") I'm pretty sure there's something I've gotta configure in Apache for the virtual host but I'm missing it. Apart from these minor set-backs I'm enjoying the low-level configuration options of having a VPS and love managing my own server. Thanks!

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• ADIOS Weblogs

  - by kashyapa

  I have been blogging on Weblogs.asp.net for a while now. I don't remember when actually i got a berth on to Weblogs. I think it was MS Joe – Joe Stagner way back somewhere in 2005 or sometime around that time frame (i don't remember the exact dates) that he had opened up weblogs.asp.net blog space. I remember sending an email to him and i had got a space for myself. So far weblogs has been a great starting platform for me. After close to a decade in the industry (this is my 9 year in the industry) i finally realized that i too can write and i have been lately passionate about writing. So far i just have 15 posts under my belt and close to 5 community speaking sessions. I have been lately enjoying writing and community things that i decided to have my own identity on the web. Yes i have purchased my own domain and i have taken up a hosting for my own blog. My new web identity would be 2 domains under my name – www.kashyapas.com and www.lohithgn.com. I will be discontinuing writing on weblogs.asp.net and will be fulltime at www.kashyapas.com. My RSS feed at weblogs.asp.net has been redirected to point to my new site. So whoever had subscribed to my RSS will still be getting the updated content from my new site. So do drop into my new home and let me know your feedback. As i say always – Happy coding and Code with passion !

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• #TechEd 2010

  - by T

  It has been another fantastic year for TechEd North America.  I always love my time here.  First, I have to give a huge thank you to Ineta for giving me the opportunity to work the Ineta booth and BOF’s (birds of a feather).   I can not even begin to list how many fantastic leaders in the .Net space and Developers from all over I have met through Ineta at this event.  It has been truly amazing and great fun!! New Orlean’s has been awesome.  The night life is hoppin’.  In addition to enjoying a few (too many??) of the local hurricanes in New Orleans, I have hung out with some of the coolest people  Deepesh Mohnani, David Poll, Viresh, Alan Stephens, Shawn Wildermuth, Greg Leonardo, Doug Seven, Chris Willams, David Carley and some of our southcentral hero’s Jeffery Palermo, Todd Anglin, Shawn Weisfeld, Randy Walker, The midnight DBA’s, Zeeshan Hirani, Dennis Bottjer just to name a few. A big thanks to Microsoft and everyone that has helped to put TechEd together.  I have loved hanging out with people from the Silverlight and Expression Teams and have learned a ton.  I am ramped up and ready to take all that knowledge back to my co-workers and my community. I can not wait to see you all again next year in Atlanta!!! Here are video links to some of my fav sessions: Using MVVM Design Pattern with VS 2010 XAML Designer – Rockford Lhotka Effective RIA: Tips and Tricks for Building Effective Rich Internet Applications – Deepesh Mohani Taking Microsoft Silverlight 4 Applications Beyond the Browser – David Poll Jump into Silvelright! and become immediately effective – Tim Huckaby Prototyping Rich Microsoft Silverlight 4 Applications with MS Expression Blend + SketchFlow – David Carley Tales from the Trenches: Building a Real-World Microsoft Silvelright Line-of-Business Application – Dan Wahlin

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• Why Wifi no longer works 12.04.1

  - by Roger

  starting this morning over wifi (Realtek RTL8188CE) on CLEVO W253HU. May be due to the update before yesterday, more pilot managed, but somehow it worked yesterday. If someone has an idea of the problem. Back command lines: cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu 12.04.1 LTS" lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 006: ID 192f:0416 Avago Technologies, Pte. Bus 002 Device 004: ID 5986:0315 Acer, Inc lspci 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09) 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04) 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05) 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05) 00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5) 00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b5) 00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b5) 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05) 00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 05) 00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05) 00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05) 02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01) 03:00.0 Ethernet controller: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller (rev 05) 03:00.1 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 90) 03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 90) 03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 90) lspci -nn | grep -i net 02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter [10ec:8176] (rev 01) 03:00.0 Ethernet controller [0200]: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller [197b:0250] (rev 05) lspci -k 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: agpgart-intel 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: i915 Kernel modules: i915 00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: mei Kernel modules: mei 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: ehci_hcd 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: snd_hda_intel Kernel modules: snd-hda-intel 00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5) Kernel driver in use: pcieport Kernel modules: shpchp 00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b5) Kernel driver in use: pcieport Kernel modules: shpchp 00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b5) Kernel driver in use: pcieport Kernel modules: shpchp 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: ehci_hcd 00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel modules: iTCO_wdt 00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: ahci 00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel modules: i2c-i801 02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01) Subsystem: Realtek Semiconductor Co., Ltd. Device 9196 Kernel modules: rtl8192ce 03:00.0 Ethernet controller: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: jme Kernel modules: jme 03:00.1 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 90) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: sdhci-pci Kernel modules: sdhci-pci 03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 90) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel modules: sdhci-pci 03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 90) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: jmb38x_ms Kernel modules: jmb38x_ms sudo lshw -C network *-network NON-RÉCLAMÉ description: Network controller produit: RTL8188CE 802.11b/g/n WiFi Adapter fabriquant: Realtek Semiconductor Co., Ltd. identifiant matériel: 0 information bus: pci@0000:02:00.0 version: 01 bits: 64 bits horloge: 33MHz fonctionnalités: pm msi pciexpress cap_list configuration: latency=0 ressources: portE/S:e000(taille=256) mémoire:f7d00000-f7d03fff *-network description: Ethernet interface produit: JMC250 PCI Express Gigabit Ethernet Controller fabriquant: JMicron Technology Corp. identifiant matériel: 0 information bus: pci@0000:03:00.0 nom logique: eth0 version: 05 numéro de série: 00:90:f5:c1:c6:45 taille: 100Mbit/s capacité: 1Gbit/s bits: 32 bits horloge: 33MHz fonctionnalités: pm pciexpress msix msi bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=jme driverversion=1.0.8 duplex=full ip=192.168.1.54 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s ressources: irq:44 mémoire:f7c20000-f7c23fff portE/S:d100(taille=128) portE/S:d000(taille=256) mémoire:f7c10000-f7c1ffff mémoire:f7c00000-f7c0ffff lsmod Module Size Used by btusb 18288 0 rfcomm 47604 0 bnep 18281 2 bluetooth 180104 11 btusb,rfcomm,bnep parport_pc 32866 0 ppdev 17113 0 binfmt_misc 17540 1 snd_hda_codec_realtek 224173 0 dm_crypt 23125 0 snd_hda_codec_hdmi 32474 0 uvcvideo 72627 0 videodev 98259 1 uvcvideo v4l2_compat_ioctl32 17128 1 videodev snd_hda_intel 33773 2 snd_hda_codec 127706 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel snd_hwdep 13668 1 snd_hda_codec snd_pcm 97188 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec snd_seq_midi 13324 0 snd_rawmidi 30748 1 snd_seq_midi jmb38x_ms 17646 0 psmouse 87692 0 serio_raw 13211 0 memstick 16569 1 jmb38x_ms snd_seq_midi_event 14899 1 snd_seq_midi rtl8192ce 84826 0 rtl8192c_common 75767 1 rtl8192ce rtlwifi 111202 1 rtl8192ce snd_seq 61896 2 snd_seq_midi,snd_seq_midi_event snd_timer 29990 2 snd_pcm,snd_seq snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq mac80211 506816 3 rtl8192ce,rtl8192c_common,rtlwifi mac_hid 13253 0 snd 78855 14 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device cfg80211 205544 2 rtlwifi,mac80211 soundcore 15091 1 snd snd_page_alloc 18529 2 snd_hda_intel,snd_pcm mei 41616 0 lp 17799 0 parport 46562 3 parport_pc,ppdev,lp usbhid 47199 0 hid 99559 1 usbhid i915 473035 3 drm_kms_helper 46978 1 i915 drm 242038 4 i915,drm_kms_helper jme 41259 0 i2c_algo_bit 13423 1 i915 sdhci_pci 18826 0 sdhci 33205 1 sdhci_pci wmi 19256 0 video 19596 1 i915 iwconfig lo no wireless extensions. eth0 no wireless extensions. ifconfig eth0 Link encap:Ethernet HWaddr 00:90:f5:c1:c6:45 inet adr:192.168.1.54 Bcast:192.168.1.255 Masque:255.255.255.0 adr inet6: fe80::290:f5ff:fec1:c645/64 Scope:Lien UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Packets reçus:4513 erreurs:0 :0 overruns:0 frame:0 TX packets:4359 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 lg file transmission:1000 Octets reçus:3471675 (3.4 MB) Octets transmis:712722 (712.7 KB) Interruption:44 lo Link encap:Boucle locale inet adr:127.0.0.1 Masque:255.0.0.0 adr inet6: ::1/128 Scope:Hôte UP LOOPBACK RUNNING MTU:16436 Metric:1 Packets reçus:686 erreurs:0 :0 overruns:0 frame:0 TX packets:686 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 lg file transmission:0 Octets reçus:64556 (64.5 KB) Octets transmis:64556 (64.5 KB) sudo iwlist scan lo Interface doesn't support scanning. eth0 Interface doesn't support scanning. uname -r -m 3.2.0-30-generic x86_64 cat /etc/network/interfaces auto lo iface lo inet loopback nm-tool NetworkManager Tool State: connected (global) - Device: eth0 [Connexion filaire 1] ------------------------------------------ Type: Wired Driver: jme State: connected Default: yes HW Address: 00:90:F5:C1:C6:45 Capabilities: Carrier Detect: yes Speed: 100 Mb/s Wired Properties Carrier: on IPv4 Settings: Address: 192.168.1.54 Prefix: 24 (255.255.255.0) Gateway: 192.168.1.1 DNS: 192.168.1.1 sudo rfkill listrfkill list 1: hci0: Bluetooth Soft blocked: no Hard blocked: no The absence of line "Kernel driver in use:" the return of lspci-k made ??me think that it is not loaded yet but he seems to be. lsmod | grep rtl8192ce rtl8192ce 137478 0 rtlwifi 118749 1 rtl8192ce mac80211 506816 2 rtl8192ce,rtlwifi I found something disturbing in / var / log / syslog Sep 14 11:40:11 pcroger kernel: [ 64.048783] rtl8192ce-0:rtl92c_init_sw_vars():<0-0> Failed to request firmware! Sep 14 11:40:11 pcroger kernel: [ 64.048795] rtlwifi-0:rtl_pci_probe():<0-0> Can't init_sw_vars. Sep 14 11:40:11 pcroger kernel: [ 64.048835] rtl8192ce 0000:02:00.0: PCI INT A disabled Sep 14 11:40:11 pcroger kernel: [ 64.943345] ata1.00: exception Emask 0x0 SAct 0x7fffffff SErr 0x0 action 0x6 frozen Sep 14 11:40:11 pcroger kernel: [ 64.943358] ata1.00: failed command: READ FPDMA QUEUED Sep 14 11:40:11 pcroger kernel: [ 64.943371] ata1.00: cmd 60/00:00:00:68:6a/04:00:0b:00:00/40 tag 0 ncq 524288 in Sep 14 11:40:11 pcroger kernel: [ 64.943374] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) Sep 14 11:40:11 pcroger kernel: [ 64.943381] ata1.00: status: { DRDY } Ubuntu and takes forever to start (2 min).

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• How to Handle frame rates and synchronizing screen repaints

  - by David Kroukamp

  I would first off say sorry if the title is worded incorrectly. Okay now let me give the scenario I'm creating a 2 player fighting game, An average battle will include a Map (moving/still) and 2 characters (which are rendered by redrawing a varying amount of sprites one after the other). Now at the moment I have a single game loop limiting me to a set number of frames per second (using Java): Timer timer = new Timer(0, new AbstractAction() { @Override public void actionPerformed(ActionEvent e) { long beginTime; //The time when the cycle begun long timeDiff; //The time it took for the cycle to execute int sleepTime; //ms to sleep (< 0 if we're behind) int fps = 1000 / 40; beginTime = System.nanoTime() / 1000000; //execute loop to update check collisions and draw gameLoop(); //Calculate how long did the cycle take timeDiff = System.nanoTime() / 1000000 - beginTime; //Calculate sleep time sleepTime = fps - (int) (timeDiff); if (sleepTime > 0) {//If sleepTime > 0 we're OK ((Timer)e.getSource()).setDelay(sleepTime); } } }); timer.start(); in gameLoop() characters are drawn to the screen ( a character holds an array of images which consists of their current sprites) every gameLoop() call will change the characters current sprite to the next and loop if the end is reached. But as you can imagine if a sprite is only 3 images in length than calling gameLoop() 40 times will cause the characters movement to be drawn 40/3=13 times. This causes a few minor anomilies in the sprited for some charcters So my question is how would I go about delivering a set amount of frames per second in when I have 2 characters on screen with varying amount of sprites?

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• How can I better implement A star algorithm with a very large set of nodes?

  - by Stephen

  I'm making a game with nodejs in which many enemies must converge on the player as the player moves around a relatively open space (right now it is an open field with few obstacles, but eventually there may be some small buildings in the field with 1 or 2 rooms). It's a multiplayer game using websockets, so the server needs to keep track of enemies and players. I found this javascript A* library which I've modified to be used on the server as a nodejs module. The library utilizes a Binary Heap to track the nodes for the algorithm, so it should be pretty fast (and indeed, with a small grid, say 100x100 it is lightning fast). The problem is that my game is not really tile-based. As the player moves around the map, he is moving on a more or less 1-to-1 per-pixel coordinate system (the player can move in 8 directions, 1 or 2 pixels at a time). In preliminary tests, on an 800x600 field, the path-finding can take anywhere from 400 to 1000 ms. Multiply that by 10 enemies and the game starts to get pretty choppy. I have already set it up so that each enemy will only do a path-finding call once per second or even as slow as once every 2 seconds (they have to keep updating their path because the players can move freely). But even with this long interval, there are noticeable lag spikes or chops every couple of seconds as the enemies update their paths. I'm willing to approach the problem of path-finding differently, if there's another option. I'm assuming that the real problem is the enormous grid (800x600). It also occurs to me that maybe the large arrays are to blame, as I've read that V8 has trouble with large arrays.

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• Designing a large database with multiple sources

  - by CatchingMonkey

  I have been tasked with redesigning, or at worst optimising the structure of a database for a data warehouse. Currently, the database has 4 other source databases (which is due to expand to X number of others), all of which have their own data structures, naming conventions etc. At the moment an overnight SSIS package pulls the data from the various source and then for each source coverts the data into a standardised, usable format. These tables are then appended to each other creating a 60m row, 40 column beast!. This table is then used in a variety of ways from an OLAP cube to a web front end. The structure has been in place for a very long time, and the work I have been able to prove the advantages of normalisation, and this is the way I would like to go. The problem for me is that the overnight process takes so long I don't then want to spend additional time normalising the last table into something usable. Can anyone offer any insight or ideas into the best way to restructure or optimise the database efficiently? Edit: All the databases are MS SQL Server 2008 R2 Thanks in advance CM

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• Can AJAX in a CMS slow down your server

  - by Saif Bechan

  I am currently developing some plugins for WordPress, and I was wondering which route to take. Let's take an example, you want to display the last 3 tweets on your page. Option 1 You do things the normal way inside WordPress. Someone enters the website, while generating the page, you fetch the tweets in php via the twitter api, and just display them where you want. Now the small problem with this is, that you have to wait for the response from twitter. This takes a few ms. NO real problem, but this is question is just out of curiosity. Option 2 Here you don't do anything in WordPress on the initial load, but you do have the API inside. Now you just generate the page, and as soon as the page is done on the client side, you do a small AJAX call back to the server via a WordPress plugin, to fetch your latest tweets. Also called asynchronously. Now the problem with this IMO is that you have much more stress on your server. For starters you have two HTTP requests instead of one. Secondly the WordPress core has to load two times instead of one. Other options Now I know there are a lot of other options: 1) Getting the tweets directly via javascript, no stress on the server at all. 2) Cache the tweets so they are fetched from the DB instead of using the API every time. 3) Getting the tweets from an ajax call that is not a WordPress plugin. 4) Many more. My Question Now my question is if you only compare 1 and 2, which would be a better choice.

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• Windows 8&ndash;Custom WinRT components and WinJS

  - by Jonas Bush

  Wow, I’m still alive! I installed the RTM of Windows 8 when it became available, and in the last few days have started taking a look at writing a windows 8 app using HTML/JS, which in and of itself is a weird thing. I don’t think that windows developers of 10 years ago would’ve thought something like this would have ever come about. As I was working on this, I ran across a problem, found the solution, and thought I’d blog about it to try and kick start me back into blogging. I already answered my own question on Stack Overflow, but will explain here. I needed to create a custom WinRT component to do some stuff that I either wouldn’t be able to or didn’t know how to do with the javascript libraries available to me. I had a javascript class defined like this: WinJS.Namespace.define("MyApp", { MyClass: WinJS.Class.define(function() { //constructor function }, { /*instance members*/ }, { /*static members*/ }) }); This gives me an object I can access in javascript: var foo = new MyApp.MyClass(); I created my WinRT component like this: namespace MyApp { public sealed class SomeClass { public int SomeMethod() { return 42; } } }   With the thought that from my javascript, I’d be able to do this: var foo = new MyApp.MyClass(); var bar = new MyApp.SomeClass(); //from WinRT component foo.SomeProperty = bar.SomeMethod();   When I tried this, I got the following error when trying to construct MyApp.MyClass (the object defined in Javascript) 0x800a01bd - Javascript runtime error: Object doesn't support this action. I puzzled for a bit, then noticed while debugging that my “MyApp” namespace didn’t have anything in it other than the WinRT component. I changed my WinRT component to this: namespace MyAppUtils { public sealed class SomeClass { //etc } } And after this, everything was fine. So, lesson learned: If you’re using Javascript and create a custom WinRT component, make sure that the WinRT component is in a namespace all its own. Not sure why this happens, and if I find out why or if MS says something about this somewhere, I’ll come back and update this.

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