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  • Render 3d object to 2d surface (embedded system)

    - by Martin Berger
    i am working on an embedded system of a sort, and in some free time i would like to test its drawing capabilities. System in question is ARM Cortex M3 microcontroller attached to EasyMX Stellaris board. And i have a small 320x240 TFT screen :) Now, i have some free time each day and i want to create rotating cube. Micro C PRO for ARM doesnt have 3d drawing capabilities, which means it must be done in software. From the book Introduction to 3D Game Programming with DirectX 10 i know matrix algebra for transformations but that is cool when you have DirectX to set camera right. I gues i could make 2d object to rotate, but how would i go with 3d one? Any ideas and examples are welcome. Although i would prefer advices. I'd like to understand this.

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  • No HDMI sound output on Thinkpad X1

    - by nickf
    I'm having problems getting my sound to output via HDMI to my TV. When I go to Sound Settings, the HDMI device does not appear. ~$ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2] Subdevices: 1/1 Subdevice #0: subdevice #0 I don't know if the video information is helpful, but anyway: ~$ sudo lshw -C video *-display description: VGA compatible controller product: 2nd Generation Core Processor Family Integrated Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 09 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:46 memory:d0000000-d03fffff memory:c0000000-cfffffff ioport:5000(size=64) Any suggestions for me?

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  • Designing a simple snake A.I

    - by DillPixel
    I've looked at some stuff online regarding this specific topic, and a lot of the info that I read involved graphs and path finding. I really don't want to get involved in something too complex & out of my level, and also I don't need my snake to be that intelligent (it will be a large board with the snake not growing in size on every munch). How could you structure a simpler AI for the snake that gets the job done relatively well? I would be able to get the snake to move towards the food item correctly, but my issue is that I'm not sure how to deal with the snake colliding with itself. Say the snake has a look ahead, and it finds that its tail is in the way, it could change direction, but what happens next? Any ideas on how to tackle this? Should the snake build an instruction set from every square, or should it think on the go?

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  • Steps to create a solution for a problem

    - by Mr_Green
    I am a trainee. According to my teacher, he says that to solve a problem we should go with steps to solve it like Create Algorithm (optional) Create a Datatable: By analyzing the problem, create main concepts in those problem as columns and the related issues in the main concept as rows. Create a Flowchart based on the Datatable. (when creating flow chart, think that you are in that situation and design it in your brain) By seeing the Flowchart, solve the problem. These steps should always consider by a programmer if he/she wants to become a Software designer (not programmer). Because the above approach gives an efficient way of finding solution to a problem even the problem is small. According to him, this way of approach also works in real time scenario's. My question is: Is this really an efficient way? please share also your thoughts. Keeping beside my question I just want to share some thoughts of my teacher with you who is a good mentor for me.

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  • Webapps don't open correctly when using Chromium

    - by Alex
    I have just installed Ubuntu 12.10 completely fresh, the old version of Ubuntu was discarded or overwritten (or whatever you call it). I want to use the Ubuntu webapps with Chromium but I've had several problems. }The first problem is that Chromium won't ask me if I want to install a webapp if I go to a supported site (and I don't already have the webapp installed). The second problem is that when I install the webapp by visiting the site in Firefox, and then I try to open it in Chromium, Ubuntu will open a completely new Chromium icon and window in the Launcher, and the icon will be labeled "Untitled"; also there is no search bar in the new window, only the tab at the top. I've tried using several webapps with Firefox set as the default browser and they work as expected: once the webapp icon is clicked a Firefox window is opened on the Firefox launcher icon, and the window has 'new tab' button and search bar.

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  • XUbuntu 12.04 sound becomes distorted on ASUS-computers

    - by Slava Fomin II
    On my XUbuntu 12.04 Desktop from time to time audio becomes distorted, not the audio from some specific applications but every possible sounds are very noisy and barely recognizable. Then i go to: Applications Menu Multimedia PulseAudio Volume Control "Configuration"-tab and change Built-in Audio's Profile from my current profile to something else. After that audio becomes normal, until it breaks again and i have to repeat these steps. It's happening on two different computers: one is an ASUS-based Desktop and other is ASUS notebook. Maybe it's related to some common motherboard audio components. Motherboard is: ASUS P8P67 EVO REV 3.0 Netbook is: ASUS EEPC VX6 Any help will be much appreciated = )

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  • Lenovo z470 getting hot, after 12.04 install

    - by Rodrigo
    When I was using Windows 7 my notebook temperature was very good, it stayed very cool. After I installed 12.04, my notebook base is hot all the time, I cannot even put my hands on it for a long time. My notebook has a 2nd generation Intel i5 processor. I installed Jupiter and it shows 72 Degrees Celsius constantly. Anyone got a fix for this? I don't want to go back to windows but if I do not find any solution I will have to do it. I'd be very grateful for any help.

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  • Debugging Windows

    - by Bunch
    After installing VS 2008 on a new PC I noticed that the Autos and Locals windows did not show up when debugging. So I went to the logical place to find them View/Other Windows. No luck they were not there. I use VS every day but like a lot of folks I only need to install it every few years, usually with a new PC. So I forgot where they were. Finding them is easy, just start debugging a project and go to Debug/Windows. The Autos and Locals windows along with the others will be there. And I will probably be here reading this post a few years from now. Technorati Tags: Visual Studio

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  • Channelling an explosion along a narrow passage

    - by finnw
    I am simulating explosions in a 2D maze game. If an explosion occurs in an open area, it covers a circular region (this is the easy bit.) However if an explosion occurs in a narrow passage (i.e narrower than the blast range) then it should be "compressed", so that it goes further and also it should go around corners. Ultimately, unless it is completely boxed-in, then it should cover a constant number of pixels, spreading in whatever direction is necessary to reach this total area. I have tried using a shortest-path algorithm to pick the nearest N pixels to the origin avoiding walls, but the effect is exaggerated - the blast travels around corners too easily, making U-turns even when there is a clear path in another direction. I don't know whether this is realistic or not but it is counter-intuitive to players who assume that they can hide around a corner and the blast will take the path of least resistance in a different direction. Is there a well-known (and fast) algorithm for this?

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  • UDP traffic to be routed through linux server

    - by Ahmed Serry
    how to redirect user's internet traffic (UDP & TCP) to an server that locate in another country . as the current route is bad . What software would you recommend on the remote Ubuntu server to make this possible? i have tried squid3 but i don't need 95% of its future plus its complicated. i just need a simple server able to go grab the data and return it back to the user simple as that no user authentication required nor DB or ACL .. thank you

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  • Updates and New Home for Sticky Plugin

    Ive created a permanent home for the latest updates for Sticky. Please visit http://johnpapa.net/sticky to stay updated on the latest versions, enhancements, and how tos for Sticky. To download the latest update go here. The latest update includes some bug fixes and added a few enhancements in the latest version: 1.0.50605. Here are the highlights: Choose your Sticky color in the Settings Numbers are formatted Better error handling for invalid data Minor graphical fixes The Settings...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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  • Why is web app development path in Java this much confusing? [closed]

    - by Farshid
    I'm currently a .net web developer and I really like to switch to Java. I've used JSP about 7 years ago to develop and deploy a small web application on a JRUN app server. But after 7 years that I like to return back to Java, I can't find the clue. There are many web development frameworks that exist in Java world and each of them has fans that recommand it. There are extensions that sit above jvm for web development (like jRuby i think). I am confused and I do not know where to start the path of learning java web development. I do not want to focus on custom tailor-made approaches and want to remain on the basic path of developing with standard tools and methods and deploy them into standard app servers. (For example some says do not use EJBs, some says focus on MVC facilities like JSF. I'm confused and I do not know the path that i should go on)

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  • SharePoint 2010 ECB Menu on any column

    - by Sahil Malik
    SharePoint 2010 Training: more information You know that ECB Menu in SharePoint 2007? Well in SharePoint 2010 you can very easily move it around on any column you wish. What you do is, open the view in SharePoint Designer, then you click on the field you wish to see the ECB menu in, then you will see a little floatie button with this on it ">", then, you click on that floatie, and it shows a little popup with 2 checkboxes in it. "Common xsl:value-of Tasks"- Show List Item Menu- Show Link To Item You check the "Show List Item Menu" checkbox, and off you go - now the ECB menu is available on the other column. Enjoy! Read full article ....

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  • Did You Know: I'm going back to Boston!

    - by Kalen Delaney
    After spending 5 months in Boston last summer and fall, I'm going back again, to teach my 5-day SQL Server Internals and Query Tuning class for Boston SQL Training. Last time I taught my course there, we had a completely full class with a waiting list. So I'm going to offer the course again! The class will be delivered April 11- 15 but early bird registration ends next Tuesday, February 1st. I'm very excited to go back, and thankful to Adam Machanic of Boston SQL Training for this opportunity. You...(read more)

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  • Is your dream an international experience?

    - by Maria Sandu
    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-family:"Calibri","sans-serif"; mso-ascii- mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi- mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Studying in Poland, having two summer jobs in England, doing one internship in India, working in Thailand for half a year and now working in Prague. Does it seem an adventure? Well it is and I will tell you how I came to have this international experience. Dzien Dobry! My name is Wojciech Jurojc, I am Polish and I am currently a Business Development Consultant within Oracle, based in Prague. I joined Oracle on the 1st of August 2011. I graduated in 2010 and obtained 2 Masters Degrees in Political Science and Economics. I would like to tell you more about my past and how I joined Oracle. In 2005 I began studying at the Faculty of Political Sciences Gdansk University. In 2008, I obtained a Bachelors Degree. During these three years I had the opportunity to go to England twice, where I worked as a Bartender, first in Blackpool and then in Manchester. This allowed me to improve my language skills and become more confident. In the meantime, I joined the International Student Organization-AIESEC, where I was organized conferences and conducted student projects. Also I met a mass of interesting people from around the world. After graduation in 2008, I was able to get an Internship within a big company in Poland. I worked there as an Intern in the Purchase Department. That was my first adventure within a corporate environment. I learnt a lot about purchasing processes and negotiations. In September 2008, I started studying two Masters Faculties: Political Science and Economics. It was very difficult, but it was not impossible. Over the next two years of studying I was able to go on a three month internship to India where I worked as a Marketing Assistant in an NGO. I was travelling around northern India and did presentations to the academic community about green energy and environmental projects. I had the opportunity to visit Nepal and walked in the Himalayas. That was a huge experience as well as a cultural shock. It taught me how to deal with many problems and to appreciate what I have. At the end of 2009 I was working as a Marketing Assistant for a Leasing company, where I learnt useful sales knowledge and improved my objection handling skills. In July 2010, I graduated with a double Masters and found a job in Thailand as Sales Representative in an IT company. I worked in Thailand until the end of January 2011. Besides that, I was working in an International company with interesting people and I had the opportunity to travel around Thailand and visit Cambodia. After this adventure I started looking for jobs in Europe where I could further develop my sales skills. I found Oracle and I don’t regret this decision which I made. I am currently working in Prague in an international Hardware team and I know that is not the end of my adventures. At this moment, I am working in a team of 12 members. Ten of them are based in Prague and 2 others are based in Russia. We come from different countries such as: Czech Republic, Russia, Ukraine, Turkey, Slovakia and Kazakhstan. I am working on the Polish market, cooperating with our Hardware customers and partners. What do I enjoy the most about my job? I enjoy every challenge that I face in my daily activities as there are always new experiences for me and new things that I learn. As part of Oracle, I gain international exposure and therefore more career opportunities to explore. I have planned my next step for the career path I dream of and I am currently working on it. I recommend you check our Career Page if you’re looking for an international career. If you want to find out more about our job opportunities, follow us on https://campus.oracle.com .

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  • Online iPad 1&2 emulators give different results compared to the real thing

    - by Systembolaget
    I'm designing a centered website (jQuery Isotope). Thre sandbox is here. I have used some online iPad 1&2 emulators to test how the site is viewed on these devices. Then, I managed to get hold of the real thing. Result: on real iPads, the site is centered and the layout adjusts automatically as expected. In online iPad emulators, the site is not quite centered and additional Isotope elements are squeezed in. Of course, I trust the real thing more than online emulators, but why is this happening? To me, it feels like website testing with online emulators is not so reliable after all? If this question is wrong here, please move it or tell me where it should go. SO is about programming, this question isn't. Thanks!

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  • Value of links on negative review pages

    - by Sam Healey
    A general assumption with SEO is more links = higher rankings. What I would like to know is does Google know what those links are referring to. I.e. if somebody gives a product a good review on their personal blog and links the review to another companies website (who are selling the product), would Google take consideration for the review/description link. Essentially would Google know that this link refers to a product. So if somebody is looking to buy a product, Google would know to include this page because the previous link said it sells products rather than just having information on products. Then to take this further, does Google know if a link is positive or negative. For example, If somebody creates a post saying, do not visit example.com, example.com is bad because of blah blah blah. Would Google know that the link is getting bad feedback and therefore would it have a negative affect on rankings, or would Google go oh its just another link and give it better rankings?

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  • Using 301 Redirects on new site when access to old site denied?

    - by Cape Cod Gunny
    I have a situation where I'm standing up a new website on a different web host. I've been denied access to the old site by the hosting company and the old site will most likely be turned off very soon. If my new site contains pages that are named slightly different how do I go about setting up 301 redirects on my new site? For example: www.oldsite.com\aboutus\ www.newsite.com\aboutus.html www.newsite.com\productx.html www.oldsite.com\productx\ Edit: Clarification: The old domain name is different from the new domain name. On my newsite do I just duplicate every page that existed on the old site and place redirect code inside those pages? What does the redirect code look like?

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  • New Bing Maps

    - by MikeParks
    Normally I don't stray too far from Programming and TFS on my blog posts but I'm just really impressed with how much Silverlight has improved Bing maps. I use to be big on MapQuest, then hopped over to Google, but now the new Bing Maps have everything I need. The two coolest features are right on the main page. All you have to do is go to http://www.bing.com/maps/explore/, enter your city and hit enter in the search box, then look in the lower left corner under the EXPLORE section. Check out the "What's nearby" and "Restaurants" links. The best part is, if you're interested in doing any Silverlight programming, they have a Bing Maps Silverlight Control Interactive SDK. I was thinking about coding something....but they've pretty much got it down :) Pretty impressive stuff.

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  • How do I handle "Firmware file X not found" stopping bootup?

    - by John Baber
    I recently upgraded my desktop mac to Precise and now can't get past the Ubuntu 12.04 splash page. The splash freezes with [ 19.931097] b32-phy0 ERROR: Firmware file "b43/ucode16_mimo.fw" not found [ 19.9311126] b32-phy0 ERROR: You must go to http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware and download the correct firmware for this driver version. Please carefully read all instructions on this website. written on it This is when I choose 3.2.0-generic from the grub menu. If I choose to load up older kernels, I still get the same thing. How can I make my computer finish booting again? I'm able to ssh into the machine and poke around, but the actual screen freezes at the splash.

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  • Byte Size Tips: How to Insert a YouTube Video Into a PowerPoint Presentation in Office 2013

    - by Taylor Gibb
    How many times have you needed to show a video during a presentation? Using YouTube and PowerPoint, it is now possible. Insert a YouTube Video Into a PowerPoint Presentation in Office 2013 Go ahead and open PowerPoint and switch over to the Insert tab. Then click on Video, and then Online Video… If this is your first time inserting a video from YouTube, you will need to add it as a provider from the bottom left hand side of the dialog. Once added, you will be able to enter a search term. You can then simply select a video and hit the insert button. That’s all there is to it. Remember Videos come with their own set of editing options, so be sure to take a look around.     

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  • How can a load and play an .x model using vertex animation in XNA?

    - by Christian
    From a game I developed years ago, I still have character models that my former 3D engine designer created and that I'd like to reuse in a Windows Phone project now. However, the files are in DirectX format (.x) containing keyframe animation only. No bones. No skeleton. There are a lot of animation keys defined on several frames to animate the characters. I don't quite understand how that works, to be frankly. However, I did a lot of research regarding a possible way of getting the characters animated via XNA on Windows Phone and all I found are hints that it is generally possible but not supported. Possibly by implementing own Content Importers and Processors. I didn't find anyone who successfully did something like that yet. How should I go about loading and displaying these models in XNA?

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  • JavaOne Latin America Flair

    - by Tori Wieldt
    For all you attendees, reporters, bloggers, user group leaders, speakers, technology thought leaders, influencers, and social media mavens, here are some tools to help you generate awareness, enthusiasm, and participation for JavaOne Latin America. Here are buttons use in your blogs and on websites. You can find more information, the Java logo, and more on the JavaOne Latin America Toolkit page.  Please use this URL on all JavaOne Latin America items: http://www.oracle.com/go/?&Src=7328808&Act=279&pcode=WWMK11054239MPP013 Buttons 125x125 I Like This I'm Attending I'm Speaking Join Me Register Now See Me Here Buttons 160x160 I Like This I'm Attending I'm Speaking Join Me Register Now See Me Here Buttons 200x200 I Like This I'm Attending I'm Speaking Join Me Register Now See Me Here Buttons 250x250 I Like This I'm Attending I'm Speaking Join Me Register Now See Me Here Register Now Banners 120 x 160 160 x 600 180 x 120 300 x 250 336 x 280 728 x 90

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  • Downgrading from ubuntu 11.10 to 10.10, keeping installed programs

    - by Peter
    I recently upgraded from 10.10 to 11.04 then 11.10, and I'd like to revert back to 10.10. I understand that you cannot downgrade a version as easily as you can upgrade, and that I'll probably have to get the boot CD again and reinstall the whole thing. I know that I can keep most of my files by saving the /home directory, so 2 questions: Once I've gone back to 10.10, can I juts copy my old version of home over the freshly installed one? Is there a way to keep all of my installed programs, or some sort of way of getting the new install to automatically install them? Will I have to go through the tricky setups of things like TeX all over again? Thanks

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  • 14.04 Chinese Ibus Input - No Options

    - by RhZ
    getting my new 14.04 rig going ;-) Pretty happy with it, everything seems to be working great. For Chinese input, however, having a problem. I went through the typical steps, open language in settings, let it install some stuff, then add Chinese and choose Ibus. Then, after logging in and out, I see the language icon in my system tray. However, when I go to add the Chinese into Ibus, it only lets me choose "Chinese", which isn't an input method. It should give me a bunch of choices like pinyin, bopomo or whatever, I only use pinyin so don't know those names. I saw someone online had a little command which helped people with similar problems, but it did not work for me, even after a re-start. So, anyone got a solution? Edit: Here is what it looks like, just "Chinese" in the list, when there should be a bunch of input options like pinyin, potomofo, and so on.

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