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• Texture artifacts on iPad

  - by MrDatabase

  I'm porting an iPhone game to the iPad. When I move textures "quickly" (5.0 pixels every update at a rate of 60 Hz) I start to see little "artifacts" or remnants of where the texture used to be. I'm not sure if I know the correct terminology for this... imagine a texture at some location on the screen... then next to it is the same texture but faded a bit... then the same texture again just faded a bit more. I'm using CADisplayLink to drive my update loop if that helps. Also I didn't see this issue on the 3G or the iPhone 4. Any ideas? Cheers!

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• Active - like-minded Java mailing lists

  - by Lewis Robbins

  I need to find an active Java mailing list, I have looked onto the GNU Java mailing list, to my surprise there had been not too much activity this month, it also focused on any GNU related Java - I'd really help me progress my Java ability, if I had an active, likeminded Java mailing list. Questions' that are not suited to Stackoverflow, or provide little benefit to any user that see's the question: discussing a new API change; best practices; open source discussion; trivia type questions on Java ArrayList boxining-unboxing; Community atmosphere. I also read Jon Skeets blog post about his previous Java/C# mailing lists examples - I did not catch any names, though I did they would be of benefit to me, if I had access to any of them.

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• What is the path to JavaScript mastery?

  - by Eric Wilson

  I know how we start with JavaScript, we cut-and-paste a snippit to gain a little client-side functionality or validation. But if you follow this path in trying to implement rich interactive behavior, it doesn't take long before you realize that you are creating a Big Ball Of Mud. So what is the path towards expertise in programming the interaction layer? What books, tutorials, exercises, and processes contribute towards the ability to program robust, maintainable JavaScript? We all know that practice is important in any endeavor, but I'm looking for a path similar to the answer here: http://stackoverflow.com/questions/2573135/

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• Web development for people who mainly do client side..

  - by kamziro

  Okay, I'm sure there are a lot of us that has plenty of experience developing c++/opengl/objective C on the iPhone, java development on android, python games, etc (any client side stuff) while having little to no experience on web-based development. So what skillset should one learn in order to be able to work on web projects, say, to make a facebook clone (I kid), or maybe a startup that specializes on connecting random fashionistas with pics etc. I actualy do have some experience with C#/VB.net back-end development a while back, but as part of a team, I had a lot of support from the senior devs. Is C# considered a decent web development language?

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• Contract-Popup at Login

  - by Steve

  I want to give my notebook to guests of my little Hotel as an extra service. I love the Ubuntu guest-account and I think that this is the best possible way to help my guests get free internet-access. I found out how to "design" their user-accounts with /etc/skel, but unfortunately I have no clue, how to show them a small introduction to the system and a kind of user-agreement "contract" when they login. I read of xmessage, but this is too minimalistic. I'd like to implement some pictures. Does anyone have any idea of how to make this possible? Would it be possible that the user is logged out automatically if he rejects the user-agreement? Thank you so much in advance, Steve.

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• Licensing a project

  - by PhaDaPhunk

  Ok can someone clarify something for me ? Let's say I want to build a website and add publicity to it so I can make money out of my work. I would use Html5 for the interface and C# with Asp.net for the background programming. I would use Visual Studio as my IDE and SQL server as a database. This is just an example on the top of my head but I woudn't know where to start for the licenses. Do I need one : For VisualStudio and SQLServer only ? For VisualStudio, SQLServer and pay some kind of rights for Asp.net ? The whole package.. Both VisualStudio, SQlServer plus rights for Asp.net AND C# ? I know this question is a little vague but I really don't know where to start and the opinion of someone with experience int this might give me just the help I need to get started.

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• The Most Important Person Is the One that Keeps Your PC Running [Comic]

  - by The Geek

  Fixing people’s computers usually makes them appreciate you more, though this might be a little too far. Latest Features How-To Geek ETC How To Create Your Own Custom ASCII Art from Any Image How To Process Camera Raw Without Paying for Adobe Photoshop How Do You Block Annoying Text Message (SMS) Spam? How to Use and Master the Notoriously Difficult Pen Tool in Photoshop HTG Explains: What Are the Differences Between All Those Audio Formats? How To Use Layer Masks and Vector Masks to Remove Complex Backgrounds in Photoshop Bring Summer Back to Your Desktop with the LandscapeTheme for Chrome and Iron The Prospector – Home Dash Extension Creates a Whole New Browsing Experience in Firefox KinEmote Links Kinect to Windows Why Nobody Reads Web Site Privacy Policies [Infographic] Asian Temple in the Snow Wallpaper 10 Weird Gaming Records from the Guinness Book

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• 2D management game [on hold]

  - by Simon Bull

  Very newbie question but I have a game idea in mind. It will be 2d and data centric, like football manager. However I am struggling to find a platform that would suit. I am an experienced line of business developer so am happy to write code, but I would like a platform that does some of the leg work for me so was avoiding OpenGL. I would also like to be able deploy to iOS, android, windows and OS X. What are the options? To be more clear, the game is not a normal platform or shooter type game, so game maker is likely to be way too basic and unity seems a little over the top (though I am not sure if the GUI options would fit?). The majority of the game is more like business screens just displaying data and having buttons to click. Are there options for this type of game (May help to look at football manager)?

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• Who Moved My Cheese DotNetNuke Edition

  Last week, I discussed a new change in 5.4 where we have backported the RibbonBar from DotNetNuke Professional to the Community Edition. Well that is not the only big change that is occurring with this release. We are also backporting the Telerik Editor Provider! This is another huge win for the community. Over the course of the last 7 years we have primarily had 2 different HTML editors that we have shipped with DotNetNuke. The first text editor we used was FreeTextBox. It is a great little editor...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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• Which will be faster? Switching shaders or ignore that some cases don't need full code?

  - by PolGraphic

  I have two types of 2d objects: In first case (for about 70% of objects), I need that code in the shader: float2 texCoord = input.TexCoord + textureCoord.xy But in the second case I have to use: float2 texCoord = fmod(input.TexCoord, texCoordM.xy - textureCoord.xy) + textureCoord.xy I can use second code also for first case, but it will be a little slower (fmod is useless here, input.TexCoord will be always lower than textureCoord.xy - textureCoord.xy for sure). My question is, which way will be faster: Making two independent shaders for both types of rectangles, group rectangles by types and switch shaders during rendering. Make one shader and use some if statement. Make one shader and ignore that sometimes (70% of cases) I don't need to use fmod.

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• Scrum got specific ways for testing software?

  - by joker13

  When reading Scrum Guide, as the official text for scrum, I find out there is no specific solution to provide software testing in scrum. (the only hint is on page15) I'm a little vague on whether scrum is considered a software development methodology or not? If it is not, then how come some of its practices opposes Extreme Programming? (I know that in scrum guide, the author notes that scrum is a framework not a methodology, but still I'm not pretty clear on that) And what's more, I'm not sure if there are any other important textbook that I'm missing so far about scrum. I need them to be official or of great deal of public acceptance.

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• Is the carriage-return char considered obsolete

  - by Evan Plaice

  I wrote an open source library that parses structured data but intentionally left out carriage-return detection because I don't see the point. It adds additional complexity and overhead for little/no benefit. To my surprise, a user submitted a bug where the parser wasn't working and I discovered the cause of the issue was that the data used CR line endings as opposed to LF or CRLF. Hasn't OSX been using LF style line-endings since switching over to a unix-based platform? I know there are applications like Notepad++ where line endings can be changed to use CR explicitly but I don't see why anybody would want to. Is it safe to exclude support for the statistically insignificant percentage of users who decide (for whatever reason) to the old Mac OS style line-endings?

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• Is good practice to optimize FPS even when it's above the lower limit to give illusion of movement?

  - by rraallvv

  I started over 50 FPS on the iPhone, but now I'm bellow 30 PFS, I've seen most iPhone games clamped to either 60 or 30 FPS, even when 24 or less would give the illusion of movement. I've concidered my limit to be a little bit over 15 FPS, in fact my physics simulation is updated at that rate (15.84 steps/s) as that is the lowest that still give fluid movement, a bit lower gives jerky motion. Is there a practical reason why to clamp FPS way above the lower limit? Update: The following image could help to clarify I can independently set the physic simulation step, frame rate, and simulation interval update. My concern is why should I clamp any of those to values greater than the minimum? For instance to conserve battery life I could just to choose the lower limits, but it seems that 60 or 30 FPS are the most used values.

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• DTLoggedExec 1.0.0.2 Released

  - by Davide Mauri

  These last days have been full of work and the next days, up until the end of july, will follow the same ultra-busy scheme. This makes the improvement of DTLoggedExec a little bit slower than what I desire, but nonetheless Friday I’ve been able to relase an updated version of the tool that fixes a bug and add a very convenient option to make even more straightforward the creationg of execution logs: [bugfix] Fixed a bug that prevented loading packages from SSIS Package Store [new] Added support for {filename} placeholder in both Data Flow Profiling and CSV Log Provider The added feature allow to generate DataFlow profile logs and CSV logs that has the same name of the package that generated them, es: DTLoggedExec.exec /FILE:”MyPackage.dtsx” /LPA:"FILE=C:\Log\{filename}_{date}_{time}.dtsCSVLog" Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• Why make JavaScript class based?

  - by Carnotaurus

  JavaScript is a prototype language. To turn it into a class based language adds little value? I am not talking about best-practice here. I remember reading an article from way back, which claimed that the class-based worldview is perceivably more flawed than the one of prototypes. My summary can be found here: http://carnotaurus.tumblr.com/post/3248631891/class-based-javascript-or-not. I am resisting to use the class-based jQuery add-on and other attempts at faciliating class-based JavaScript. Peer pressure is strong but is there a stronger theoretical or practical reason why I stop resisting?

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• Slides, Scripts, and Photos from SharePoint Saturday New Orleans 2011

  - by Brian Jackett

  This weekend I presented “Managing SharePoint 2010 Farms with PowerShell” at SharePoint Saturday New Orleans.  This was my first time visiting New Orleans so I was excited for the experience.  A big thanks to everyone who attended my session.  I condensed the material a little but the slides and scripts below have additional material that we couldn’t cover.  Let me know if you have any comments, questions, or feedback.  Thanks. Slides and Scripts     Managing SharePoint 2010 Farms with PowerShell   Photos     <coming soon since the conference is still ongoing>         -Frog Out

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• manage 2 wireless device

  - by yi.tang.uni

  I erased Windows 7 and installed Ubuntu 12.04 on my Dell Latitude E4200. I an very happy with my choice but with little pity. I cannot use the wireless service in my university as the build-in device works unstable. I bought a USB wireless device, which solve the problem. However, the build-in device keep to sent me message about unable to connect, which waste laptop's cup & battery. The phsical bottom to turn off wireless affect both devices. So the question is: "How can I manually shut down wireless device?" There is another interest comes to my mind: "Does 2 wireless improve the overall internet usage if I run a high-internet-consuming program like BT ?" Thank for your time and energy.

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• How to get average network load instead of instant

  - by Adam Ryczkowski

  Welcome, I use conky to see network load statistics with sampling every 8 seconds in order to get somewhat more smooth history chart. Unfortunately, all values i get are not average for this 8 second period, but they are sampled from much smaller time span, so charts are the same choppy, as if they were sampled from 1 second or less. Is there any way to get conky (or at least System Monitor) display system properties averaged over specified amount of time, just like Windows' task manager does? I would like to have conky display hard drive usage from iostat, but there will be little use if it, if conky reports instant values not averaged over time.

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• How are components properly instantiated and used in XNA 4.0?

  - by Christopher Horenstein

  I am creating a simple input component to hold on to actions and key states, and a short history of the last ten or so states. The idea is that everything that is interested in input will ask this component for the latest input, and I am wondering where I should create it. I am also wondering how I should create components that are specific to my game objects - I envision them as variables, but then how do their Update/Draw methods get called? What I'm trying to ask is, what are the best practices for adding components to the proper collections? Right now I've added my input component in the main Game class that XNA creates when everything is first initialized, saying something along the lines of this.Components.Add(new InputComponent(this)), which looks a little odd to me, and I'd still want to hang onto that reference so I can ask it things. An answer to my input component's dilemma is great, but also I'm guessing there is a right way to do this in general in XNA.

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• How to prevent system to generate log file

  - by shantanu

  My Question is little bit surprising, but i need it. I am using a slow processor laptop, now i found that HDD has some bad sectors and HDD response becomes slow. But disk health is ok(according to smart tools). I can not change my HDD right now. So decide to reduce disk operation. How do i prevent system to generate log file or any other file which are used to keep history? I know LOG file is very important but i don't care it right now. Please help.

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• disable shutdown/suspend if there is other user logged in via ssh

  - by Denwerko

  I remember that in versions of ubuntu around 9.04 was possible to disable user to shutdown ( and maybe suspend too ) system if there was other user logged in.Something like policykit or similar. Is it possible to do in 11.04 ? Thanks edit: if someone needs ( for own risk ), little change in /usr/lib/pm-utils/bin/pm-action will allow user to suspend machine if he is only user logged in or when user will run sudo pm-suspend. Probably not best piece of code, but for now works. diff -r 805887c5c0f6 pm-action --- a/pm-action Wed Jun 29 23:32:01 2011 +0200 +++ b/pm-action Wed Jun 29 23:37:23 2011 +0200 @@ -47,6 +47,14 @@ exit 1 fi +if [ "$(id -u )" == 0 -o `w -h | cut -f 1 -d " " | sort | uniq | wc -l` -eq 1 ]; then + echo "either youre root or root isnt here and youre only user, continuing" 1&2 + else + echo "Not suspending, root is here or there is more users" 1&2 + exit 2 + fi + + remove_suspend_lock() { release_lock "${STASHNAME}.lock" Question still stands, is it possible to forbid shutdown or suspend when there is more than one user logged in ( without rewriting system file )?

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• Child object free movement on Parent object

  - by The415

  Just to be straightforward, I am completely new to many aspects of coding and am searching for different specs and guidelines to aid me on my journey to crafting a wonderful game in Epic Games' Unreal Engine 4. Okay, I know upon viewing this, some may have little to no clue what I mean, so I'll put it like this to explain what I mean : Imagine a third person game with a simple model of a character. Now, say I have an object as a torso of a character in a game. Now Say I have an object as a head of the character. How could I keep the head as a child of the torso, but at the same time, allow it to move with the camera angle.

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• User prompts (MessageBox) with MVVM

  - by mukapu

  The problem statement: I am tired of thinking how to show a simple message box or user prompt and act based on the response in Model-View-View-Model (MVVM). Common approaches: - It's ok, let's just do this one thing from ViewModel and mock this out for unit testing - Design my own dialog, then what to do from there - Can I write something in view code behind, ah yes, that seems to be the only way out, as anyway MVVM is still not matured...  - and what not?   I am pretty much one among the few frustrated out in this world looking for some convincing answers. I think we can do it a little neater without having the feeling of violating any of our self defined rules! Solution: The Control - Implement a simple control with no designer visibility. - Allow a property to be bound to tell when to show the MessageBox - Provide command binding for possible user actions, Yes, No, Cancel... How do I Use? - Just place the necessary XAML tags in the view - Implement the command for all user actions in the View Model - Run unit tests on the commands

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• Symbol of VPNanytime is not shown anymore after upgrading from Ubuntu 11.04 to 11.10

  - by Aufwind

  Usually when I start VPN anytime (by calling a certain url in firefox) in Ubuntu 11.10 I saw a little "green symbol with a yellow lock in front of it" for the VPN anytime client near the clock. If I wanted to quit the VPN connection I just clicked on this symbol and hit logout/quit. Today I upgraded to Ubuntu 11.10 and the VPN connection works here fine too. But the symbol near the clock is not shown anymore. Is this a bug or do I have to set this up manually? And is there a way to quit the client perhaps by terminal? Currently I just do a restart, when I want the vpn connection terminated and that's kind uncomfortable. :-) Thanks for any suggestions!

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• Confusion with Libgdx UI

  - by BrotherJack

  I've started with Libgdx and am currently stumbling about trying to understand how to set up the interface. I have generated the base projects in Eclipse ( < proj-name ,< proj-name -android, < proj-name -desktop, < proj-name -html), and can get the program to display a simple background, play a looping sound file, and draw a tank. I have been having some problems implementing the UI though. I want to make a collapsible interface bar at the bottom of the screen that would contain buttons for movement, and selecting weapons. I'm confused since there appears to be several ways of doing this and the documentation (or tutorials explaining it) tend to be obsolete. How would one go about this? Use a stage for the bar and actors for the widgets? I'm a little lost on this.

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