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  • Why doesn't my cube hold a position?

    - by Christian Frantz
    I gave up a previous method of creating cubes so I went with a list to hold my cube objects. The list is being populated from an array like so: #region MAP float[,] map = { {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0} }; #endregion MAP for (int x = 0; x < mapWidth; x++) { for (int z = 0; z < mapHeight; z++) { cubes.Add(new Cube(device, new Vector3(x, map[x,z], z), Color.Green)); } } The cube follows all the parameters of what I had before. This is just easier to deal with. But when I debug, every cube has a position of (0, 0, 0) and there's just one black cube in the middle of my screen. What could I be doing wrong here? public Vector3 cubePosition { get; set; } public Cube(GraphicsDevice graphicsDevice, Vector3 Position, Color color) { device = graphicsDevice; color = Color.Green; Position = cubePosition; SetUpIndices(); SetUpVerticesArray(); } That's the cube constructor. All variables are being passed correctly I think

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  • Why Real Web Developers Don't Use DreamWeaver

    We know there are Web Designers and there are Web Developers, and that they are very different animals altogether (check out our article on the difference between Web Designers and Web Developers), but they both, naturally, have a pride in what they do. A Web Developer derives his or her pride from staying on concept and delivering a website which performs as quickly as it possibly can. It's in the developers interest to make sure the pages s/he develops use as little of the resources available as possible.

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  • Why does starting a program log me out?

    - by Bruce McKean
    I'm not a computer nerd but have been able to fix Ubuntu/Linux problems in the pass two years with a Google search but this on has me stumped. I upgraded to 12.04 about thirty days ago and all was well except that every time I tried to load KeePassX it would go to the login screen. I installed KeePass2 and all seemed to work. Last week I tried to load Bibble5 (Raw photo editor) and it would try to load and then back to the login screen. After a few days I gave up and downloaded Corel After Shot Pro (Corel's now owns Bibble5) and it has the same problem. Could someone please head me into the steps I need to follow to find out what is the cause? I'm interested in learning more about the Linux system. How to correct any future problems like this? Computer Specification: Processor : 8x Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz Memory : 8155MB (1092MB used) Operating System : Ubuntu 12.04 LTS Graphics Card : GeForce GT 520/PCIe/SSE2

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  • Why Choose Oracle University?

    - by Shen Chen
    Get Specialized Training & Certification from ExpertOracle Instructors - with a 100% Satisfaction Guarantee. 5 Reasons to Enroll in Oracle Certification or Training 1. Career Growth: our curriculum is developed to teach you skills that directly align with real-life IT jobs. 2. Salary Advancement: Certification magazine found that Oracle Certified Professionals earn higher salaries when compared to other DBA or Developer professionals. 3. Expert Instruction: learn Oracle from the same team involved in Oracle product development. 4. Flexible Learning Options: train from anywhere, at any time. Pick the format that matches your learning style & schedule. 5. 100 % Student Satisfaction Guarantee: if you’re not completely satisfied with your training or certification experience, you can re-take the same class for free.

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  • Why is wireless slow with Atheros AR9285?

    - by Luke
    I know there are many posts like this, however none of the fixes I have found have worked. I had the issue on 11.04, and after having no luck fixing it decided to try 12.04 however this has not fixed the problem. I'm using a Lenovo IdeaPad, the network card is a Atheros Communications AR9285. edit add outputs: sudo iwconfig lo no wireless extensions. wlan0 IEEE 802.11bgn ESSID:"NETGEAR-PLOW" Mode:Managed Frequency:2.437 GHz Access Point: E0:91:F5:7D:1B:BA Bit Rate=65 Mb/s Tx-Power=15 dBm Retry long limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:on Link Quality=66/70 Signal level=-44 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:77 Invalid misc:63 Missed beacon:0 eth0 no wireless extensions. lspci -nnk | grep -iA2 net 06:00.0 Network controller [0280]: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01) Subsystem: Lenovo Device [17aa:30a1] Kernel driver in use: ath9k -- 07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 02) Subsystem: Lenovo Device [17aa:392e] Kernel driver in use: r8169 Thanks

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  • Why is the Touchpad tab missing?

    - by U47
    So my Dell Vostro 3360 came out of the box with an Alps touchpad which was detected as PS/2. Through these steps, I was able to get as far as it appearing to be recognized as a touchpad. Howevver, I do not get the Touchpad tab in the Mouse/Touchpad settings. Two-finger scrolling appears to work, and the Fn-F3 does disable the touchpad, but the settings are so brutal that it is almost impossible to work with. Very difficult to scroll at all accurately. I'm hoping there's some settings which can be tweaked which will help with this. Any ideas? My xinput listing is as follows: ? Virtual core pointer id=2 [master pointer (3)] ? ? Virtual core XTEST pointer id=4 [slave pointer (2)] ? ? GlidePoint Virtual Touchpad id=12 [slave pointer (2)] Thanks,

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  • Sponsor sessions - why should you attend?

    - by Testas
    At the Manchester SQL Server User Group we have had a number of sponser sessions, likewise at SQLBits too You may think  that it would be an hour promoting the software that that a particular vendor has to offer. This is often not the case. many session spend  time focusing on the tools, native to SQL Server that can be used for performance tuning and finish off by providing an overview of vendors software and how it can make it easier to perform performance tuning operations on your SQL Server. Many of you will be attending SQLBits this April. Many of the sponsors will perform a lunchtime lecture surrounding many areas of SQL Server. Event sponsors play a very important role in supporting events such as SQLBits and some of the SQL Server User group events Based on the presentations I have seen, I would recommend attending one of the lunchtime sessions at SQLBits. I have no doubt you will pick up golden nuggets of information that will help you in your work. I know I have Chris

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  • Why isn't iTunes working for me?

    - by Sam Mercier
    I know you are to install iTunes in WINE but when ever I open it an error message appears that says Apple Application Support was not found. Apple Application Support is required to run iTunes. Please uninstall iTunes, then install iTunes again. Error 2(Windows error 2) I have tried uninstalling the iTunes, re downloading it and repairing it. Nothing seems to work. Please help me here. Thank you.

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  • why is emacs allowing multiple instances?

    - by Chad
    Around the time I fresh installed Ubuntu 12.04, I noticed that I can start multiple instances of Emacs. I find this annoying because I will think that a buffer should be open, but I'm in the wrong Emacs window. I may have changed something in .emacs, but I really don't think I did. I also reverted all of my customizations that are stored in ~/.emacs.d/custom.el. Emacs previously would give some error about another emacs server being open when I would attempt to start an additional instance of it, but it no longer does this. Any ideas on how to restore this behavior?

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  • Why is my system freezing when I switch users

    - by ZeroDivide
    Hello I've recently upgraded from 13.04 to 13.10 64bit. I'm running AMD graphics with the proprietary drivers. I have two user accounts. Mine(administrator) and my girlfriend's(standard) My girlfriend clicks "switch user" from my lock screen and logs in fine. I then try to click "switch user" from her lock screen and everything goes black. Then the monitor blinks on and off with just a single cursor. I have no way to access the terminal, the system is unresponsive and I have to hit the power button. Even ctrl + alt + f4 or ctrl + alt + t doesn't get me a terminal. When I press the power button on my system, it does start printing out the shutdown sequence on the monitor. Here is my .xsession-errors Script for ibus started at run_im. Script for auto started at run_im. Script for default started at run_im. Here is hers: init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd main process ended, respawning init: at-spi2-registryd respawning too fast, stopped init: logrotate main process (4726) killed by TERM signal init: upstart-dbus-session-bridge main process (4865) terminated with status 1 init: gnome-settings-daemon main process (4843) terminated with status 1 init: gnome-session main process (4852) terminated with status 1 init: unity-panel-service main process (4863) killed by KILL signal I found some advice in a forum to look for at-spi2-registryd in my system logs. Perhaps it will be useful. executing this: sudo grep -r at-spi2-registryd /var/log/* produces this: /var/log/lightdm/x-1-greeter.log:** (at-spi2-registryd:4384): WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files /var/log/lightdm/x-1-greeter.log:** (at-spi2-registryd:4384): WARNING **: Unable to register client with session manager /var/log/lightdm/x-2-greeter.log.old:** (at-spi2-registryd:7447): WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files /var/log/lightdm/x-2-greeter.log.old:** (at-spi2-registryd:7447): WARNING **: Unable to register client with session manager /var/log/lightdm/x-0-greeter.log:** (at-spi2-registryd:1378): WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files /var/log/lightdm/x-0-greeter.log:** (at-spi2-registryd:1378): WARNING **: Unable to register client with session manager /var/log/lightdm/x-0-greeter.log.old:** (at-spi2-registryd:1357): WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files /var/log/lightdm/x-0-greeter.log.old:** (at-spi2-registryd:1357): WARNING **: Unable to register client with session manager Any ideas what is going on?

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  • Why dosn't Ubunto like my HP Pavilion G7?

    - by user109379
    I installed Ubunto onto my HP Pavillion G7 1330dx without much problem, but it took 3 or more tries to get it to boot up after. Then , I started over and installed Mint, no problems installing or booting up. BUT, I decided I I liked Ubunto better so I wiped my hard drive and installed Ubunto ( this time the 32 bit) ,It runs great once i finally get it to boot, it takes 3 or more tries again. Whats the deal? I really like it but really don't know what I'm doing. I've been a Windows guy until a couple days ago.

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  • Why do people use programming books?

    - by Alex Hope O'Connor
    I find that when someone asks what is the best way to learn how to program, people usually provide them with references to a bunch texts written by various authors. However I don't believe many people at all learn to program from books? I find that they are usually faced with a challenge and then use programming as tool to overcome it. For example I 'got into' programming because I wanted to start a server for a game I was playing, so I googled and read through the support for that particular server and now I am a employed software engineer, using only the skills I developed (and then further developed) by coding C# scripts for a not very popular server package. So my question is, do people generally find it easier to learn from these books? I know I have looked at a few of them and found them far too 'dry' to encourage me to finish it.

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  • Why nautilus quicklist is not working?

    - by jasmines
    None of my bookmarks (Documents, Pictures, Download, Dropbox, Ubuntu One, Music, Public) are correctly shown but they won't open if I right click on the Home icon and select them. The only ones who work are Home and Open A New Window. I've read similar questions (http://askubuntu.com/questions/184504/unity-home-quicklist-not-working-when-nautilus-is-closed and unity home quicklist not working) but my problem seems different... Anyway I can't solve with the suggested workarounds. $ ls ~ Audiobooks Dropbox Modelli Pubblici Video Backup dvdrip-data Musica Scaricati VirtualBox VMs deja-dup grive Pictures - GT-I9100 Scrivania virtual-drives Documenti Immagini Podcasts Ubuntu One Vuze Downloads $ cat /usr/share/applications/nautilus.desktop [Desktop Entry] Name=Files Comment=Access and organize files Exec=nautilus %U Icon=system-file-manager Terminal=false Type=Application StartupNotify=true OnlyShowIn=GNOME;Unity; Categories=GNOME;GTK;Utility;Core; MimeType=inode/directory;application/x-gnome-saved-search; X-GNOME-Bugzilla-Bugzilla=GNOME X-GNOME-Bugzilla-Product=nautilus X-GNOME-Bugzilla-Component=general X-GNOME-Bugzilla-Version=3.4.2 Actions=Window; X-Ubuntu-Gettext-Domain=nautilus [Desktop Action Window] Name=Open a New Window Exec=nautilus OnlyShowIn=Unity;

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  • Why can't I create direct3d objects?

    - by quakkels
    I've been programming professionally for years using languages like VBScript, JavaScript, and C#. As a hobby, I'm getting into some c/c++ and games programming with DirectX. I am running into an issue where I cannot create direct3d objects. I am using Visual C++ 2010 Express. After I installed vc++2010express I then installed the June 2010 release of DirectX. I am trying to include DirectX via #pragma statements. This is the code I have so far in my winmain.cpp source file: #include <Windows.h> #include <d3d11.h> #include <time.h> #include <iostream> using namespace std; #pragma comment(lib, "d3d11.lib") #pragma comment(lib, "d3dx11.lib") // program settings const string AppTitle = "Direct3D in a Window"; const int ScreenWidth = 1024; const int ScreenHeight = 768; // direct3d objects LPDIRECT3D11 d3d = NULL; // this line is showing an error The type LPDIRECT3D11 is showing an error: Error: Identifier "LPDIRECT3D11" is undefined Am I missing something here to get VC++2010Express to recognize and load the DirectX libs? Thanks for any help.

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  • Why should I use Bower? [closed]

    - by Wil
    I can fully appreciate the benefits of a package manager like Python PIP, Node npm, or Ruby Gems since they're doing much more than adding files to your applications path. Maybe I'm missing the point, or I'm being obtuse, but here are the negatives I can see: Separate step when building a project Separate dependency to install via another package manager (yo dawg) More clutter in the projects root with bower.json and / or .bowerrc Reliance on the registry being up to date, correct, and available Some imports / references to things like images won't work The positives I can see are these: I don't have to download the dependencies manually Optionally install packages as part of scaffolding based on user prompts or the like I'd really like to know of any benefits I'm unaware of, and I should say I'm not trying to be provocative I genuinely want to know.

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  • Why does wifi hotspot doesn't work correctly?

    - by Habi
    I have created the wifi hotspot. In windows, it used to display wifi signal on my nokia C3 but after creating wifi hotspot from ubuntu, I am facing certain problem. Nokia C3 doesn't even gets wifi signal. But wifi signal appears in my samsung mobile GTS3-850 and I can access wifi if I put wifi security option to "none" On the other hand, if I create password then Nomatters, if I type right password or not, it doesn't connect to that wifi. Note : I use Wimax to access internet.

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  • Why are software schedules so hard to define?

    - by 0A0D
    It seems that, in my experience, getting us engineers to accurately estimate and determine tasks to be completed is like pulling teeth. Rather than just giving a swag estimate of 2-3 weeks or 3-6 months... what is the simplest way to define software schedules so they are not so painful to define? For instance, customer A wants a feature by 02/01/2011. How do you schedule time to implement this feature knowing that other bug fixes may be needed along the way and take up additional engineering time?

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  • why is glVertexAttribDivisor crashing?

    - by 2am
    I am trying to render some trees with instancing. This is rather weird, but before sleeping yesterday night, I checked the code, and it was in a running state, when I got up this morning, it is crashing when I am calling glVertexAttribDivisor I haven't changed any code since yesterday. Here is how I am sending data to GPU for instancing. glGenBuffers(1, &iVBO); glBindBuffer(GL_ARRAY_BUFFER, iVBO); glBufferData(GL_ARRAY_BUFFER, (ml_instance->i_positions.size()*sizeof(glm::vec4)) , NULL, GL_STATIC_DRAW); glBufferSubData(GL_ARRAY_BUFFER, 0, (ml_instance->i_positions.size()*sizeof(glm::vec4)), &ml_instance->i_positions[0]); And then in vertex specification-- glBindBuffer(GL_ARRAY_BUFFER, iVBO); glVertexAttribPointer(i_positions, 4, GL_FLOAT, GL_FALSE, 0, 0); glEnableVertexAttribArray(i_positions); glVertexAttribDivisor(i_positions,1); // **THIS IS WHERE THE PROGRAM CRASHES** glDrawElementsInstanced(GL_TRIANGLES, indices.size(), GL_UNSIGNED_INT, 0,TREES_INSTANCE_COUNT); I have checked ml_instance->i_positions, it has all the data that needs to render. I have checked the value of i_positions in vertex shader, it is the same as whatever I have defined there. I am little out of ideas here, everything looks pretty much fine. What am I missing?

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  • Why do employers care so much about GPA?

    - by Recursion
    I went to a pretty good engineering school and did CS. I graduated with a 2.86 gpa and really tried my best. I even took a few graduate classes in place of undergrad courses to challenge myself. I really liked those a lot. But the second question I am always asked is "What was your gpa?", this of course always comes after "How are you today?". Once I tell them either 2.86 or a rounded 2.9 they immediately shut off. I have even had them stop the interview saying the 3.0 is the cut off. Does a tenth of a point really mean that much?

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  • Why does Ubuntu, sometimes, fails to load?

    - by mohit
    I recently installed Ubuntu 12.04 LTS on my SONY VAIO VPCEH (with Windows 7 Home Basic previously installed). Sometimes when I boot in Ubuntu, following things happen: Ubuntu loading screen seems to freeze. Esc key doesn't show installation progress. Hard-drive led doesn't glow. caps lock and scroll lock keys keep blinking. I've to manually restart my laptop. On restart, Ubuntu loads normally. What can I do to recover from present situation?

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  • SQLPass NomCom election: Why I voted twice

    - by Hugo Kornelis
    Did you already cast your votes for the SQLPass NomCom election ? If not, you really should! Your vote can make a difference, so don’t let it go to waste. The NomCom is the group of people that prepares the elections for the SQLPass Board of Directors. With the current election procedures, their opinion carries a lot of weight. They can reject applications, and the order in which they present candidates can be considered a voting advice. So use care when casting your votes – you are giving a lot...(read more)

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  • Why won't my install on Macbook work?

    - by Wyatt
    I am trying to install Ubuntu 12.04 on my Macbook. The CD drive is broken, so I am going from a USB flash drive I created. I can get it to "Try Ubuntu" perfectly fine, as a matter of fact I'm using it right now. However, I really want to install. Everything is partitioned, rEFIt is installed. I run the installer and I follow the guide at Apple Intel Installation I get to the install part of the installer, and after running it ends with a fatal grub error. Anyone know how to get past this? I feel like it has something to do with the fact that I don't get the last dialog box of the installer with the "advanced" tab used in the guide. Any help is greatly appreciated!

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  • Search Engine Optimisation Takes Time - Why You Should Give Your Campaign a Chance to Work

    Being an SEO company or consultancy, it is quite often very difficult, if not near impossible, to set expectations that the client can understand, especially when asking for guarantees or time scales. An SEO campaign can really take three months of solid and hard work to really show the impact, although you can start to see improvements within a couple a of days if you are doing things correctly.

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