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• Looking for a Python UI library comparable with Windows Forms [on hold]

  - by Mitten

  I am looking for a Python UI library which I could use to develop a desktop GUI comparable to what can be done with .NET Windows Forms. I have no previous experience programming UI in Python, so I would rather choose (if there is a choice) something simple. The application I am building would be a document oriented - rich texts, lists and grids, I don't expect to use much graphics - mostly formatted texts. Any pointers, and if there is more than one major GUI library available for Python - how could I quickly test them to see which one is a better fit for my needs?

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• null values vs "empty" singleton for optional fields

  - by Uko

  First of all I'm developing a parser for an XML-based format for 3D graphics called XGL. But this question can be applied to any situation when you have fields in your class that are optional i.e. the value of this field can be missing. As I was taking a Scala course on coursera there was an interesting pattern when you create an abstract class with all the methods you need and then create a normal fully functional subclass and an "empty" singleton subclass that always returns false for isEmpty method and throws exceptions for the other ones. So my question is: is it better to just assign null if the optional field's value is missing or make a hierarchy described above and assign it an empty singleton implementation?

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• Why are the colors worse on Ubuntu 12.04 than on Windows 7 on my Sony Vaio E-Series?

  - by Simon Hoare

  The colours look "lacking" and ever slightly blueish and rather washed-out and lacking in dimension. Graphics are ok - this page for example looks fine - but if I view something like a news site with high quality photos, the experience is not optimal and is noticeably inferior to Windows 7. Oddly, when I install Ubuntu as a VM on VirtualBox in Windows, the colours look as I expect them to. It's only on my dual-boot version of Ubuntu that they look wrong (not Wubi, although a previous Wubi-based installation had the same problem). Now, I have the proprietary ATI driver and I can use amdcccle to get the colours closer to what they should be, but I can't seem to do anything about colour depth. The depth settings in Xorg are all 24. I tried changing all three mentions of 24 to 32 but was forced into safety mode. Fortunately, I remembered where I'd been tinkering and got the file set back to 24.

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• Screen split oddly when OS is installed from a Live CD

  - by Brian

  Never used Linux before but I decided I want to start somewhere and Ubuntu seemed like the right place to start. I burned the 64bit version ISO onto a CD and installed it onto a fresh new hard drive I have. The Live CD works and the Live Distro thing works great. However when I attempt to install it, the screen splits oddly in a way where part of the right is on the left. Furthermore, after attempting to log in, the GUI doesn't show up and the computer would freeze and stay that way. However you can still move the cursor. I can't really get in or do anything (possibly because I don't know how) and tinker around since I am not too tech savvy. But I can follow instructions. Graphics Card Radeon hd 6670 I just tried the install with windows thing. There was the exact same problem.

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• Browser-based MMOs (WebGL, WebSocket)

  - by Alon

  Do you think it is techniclly possible to write a fully-fledged 3D MMO client with Browser JavaScript - WebGL for graphics, and WebSocket for Networking? Do you think future MMOs (and games generally) will wrriten with WebGL? Does today's JavaScript performance allow this? Let's say your development team was you as a developer, and another model creator (artist). Would you use a library like SceneJS for the game, or write straight WebGL? If you would use a library, but not SceneJS, please specify which. Thanks!

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• Overheating on Dell Studio XPS 1645

  - by pjtatlow

  So I was wondering if anyone else has come upon this problem, and/or has come up with a solution. When I use my Ubuntu partition, my computer becomes extremely hot, and the fan runs very noisily for a very long time. If I reboot into windows while this is happening, my computer actually begins to cool down while doing the exact same tasks. Thinking this might just be a bug with Ubuntu, I installed fedora on another partition, and the same problem occurs. Is this a problem with the kernel? Cpufreq tells me that my CPU is running at 933 MHz out of a possible 1.6 GHz from my Intel Core i7 CPU Q70. For anyone who wants more information, I have 8 GB of memory, and an ATI Mobility Raedon HD 5730 Graphics Card. I'm open to any ideas anyone might have. Thanks in advance!

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• Unity does not display properly [closed]

  - by Ben Isaacs

  Ubuntu Unity on the Ubuntu netbook edition installs without a problem but when I log in though, where the panels are, there is just blank area with a shadow effect style thing on it. I can open apps but the Window buttons and the global menu are not visable. Does this mean that I cannot use Unity. I'm running it through Wubi on a Dell Inspiron 1501 laptop. My total ammount of graphics memory is 831MB My dedicated memory is 128MB. The odd thing is is that Windows Aero displays without a problem so why is there a problem with Unity Hope this helps Ben

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• Save Windows 8 Files and Install Ubuntu

  - by Nika

  I would like to install Ubuntu on my laptop. I am new to Ubuntu and therefore have some questions: 1.My hardware is Acer Emachines Intel Celeron T3000 1.8 3 Gig of Ram and Native Intel Intergrated graphics card. Can I run Ubuntu on this machine without any problems? 2.I am windows user and currently have windows 8. I want to install ubuntu but want to save all my directories on C:\ D:\ disks so that I can open my files in ubuntu. Is it possible to save my current directory system and save all my files after installing ubuntu? Can I open all my files? I have very important data in files so I dont want to lose them at all :) Thank You

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• Set nomodeset in usb installation (efi loader with iso)

  - by Garrett

  I'm working with the studyblast solution (http://studyblast.wordpress.com/2011/08/14/guide-mac-os-x-lion-how-to-boot-a-linux-live-system-from-a-usb-drive-how-to-update-any-ocz-ssds-firmware/) to creating a live usb for osx. I managed to get Ubuntu booted but the screen looks like a corrupt/glitch image. I can just about make out the clock on the bottom right and a few icons. I've been told that this is an easy fix and that nomodeset needs to be set for the graphics card but all the solutions i find are for a hard drive installed Ubuntu where you can cd in and edit the grub file - how do you do this is it's in an iso? Thanks Garrett

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• Ubuntu - Black Screen After Suspend

  - by EssAm

  I used Ubuntu with no problems and I upgraded to 11.10 and everything was fine. But when I did my first suspend I was not able to boot again, all I got was a black screen no bios screen, nothing just blank, I tried doing hard reset but when I power on again same happens. I tried ctrl+alt+delete F1-F12 but i think the keyboard is not working, also tried booting from CD but all I got was blank screen, the hard disk light is not blinking at all so i'm assuming it's not trying to boot. My laptop is Toshiba satellite with ATI Radeon graphics. Hibernate was working fine though. I searched the net for solutions but with no luck. Any ideas?

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• Ubuntu 12.04 - Unable to change brightness

  - by Raymond Standen

  So, as a number of users seem to be experiencing, I am unable to change brightness on my laptop. Using the Brightness and Lock in settings, the slider moves but brightness does not adjust. The fn keys work for volume but not for brightness. I have updated my drivers and installed all updates, however the brightness is still at maximum. I have heard that opening sudo gedit /etc/x11/xorg.conf and entering Option "RegistryDwords" "EnableBrightnessControl=1" can fix this, however when opening xorg.conf through Terminal I am greeted with a blank document... Not very reassuring. Toshiba L750 Laptop Nvidia Graphics Card Dual boot with Windows

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• Can someone recommend an appriopriate drawing tablet that fits my needs?

  - by Syg

  I'm looking for something that can help me to easily create small hand drawn graphics and mock-ups digitalize technical drawings I would normally draw on a whiteboard. I'm a developer, not a designer, so it doesn't have to be high-end I guess. Just something to help make it easier, more fun and more productive to quickly draw mockups etc. After a quick search I landed on the wacom site, but it's hard for me to tell the difference between the offerings never having used something like this. Is small too small? is it annoying? Other suggestion are also welcome ofcourse. Thanx for any help you can give me

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• Maximized Office 2007 gets cut off on multi-monitor setup with different resolutions

  - by Adam M-W

  I've got an external monitor plugged into my laptop that I like to use for typing up documents, but I've noticed that when Word is maximized it gets cut off at where the primary monitor's bounds are. Is this a bug in Wine (i'm using version 1.3.32), or with my Window Manager (metacity with compositing enabled, version 2.34.1), with my graphics drivers (nouveau) or something else? I know that I can fix it by unmaximizing (it doesn't get cut off and I can resize to the entirety of the second monitor), but it keeps on maximizing itself as it (rightly so) knows that it should be taking up the entire screen. I don't really want to use the "Emulate a virtual desktop feature", I would prefer to find the source of this issue.

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• PlayOnLinux Unable to find 32bit opengl libraries Dual ATI Videocards

  - by Rodolfo Pires

  Im curently running Ubuntu 12.04 LTS 64Bit So, i installed league of legends fine the first time with the opensource ATI Drivers provided by ubuntu itself with no issues at all, but it runs so slow ... max 20fps because those drivers dont fully support my Dual Graphic cards Than i restored system and i installed the Linux Version of the Proper ATI Drivers from the AMD Website wich supports my APU AMD-A8-4500M with the AMD Radeon 7640G + 7670M Graphics Cards enabling me full performance from my system .. Problem is, to run League of Legends i need a 32bit opengl library, and the driver, automaticly detects a 64bits Linux install and loads the 64bit libraries but not the 32 ones . i need some kind of command, to force the 32bit libraries to load, or to make League of Legends run on the 64 ones .. Im kinda noob to ubuntu .. i installed the 32 bits ones trough terminal and still doesnt work idk why, maybe the driver doesnt want to load them .. plzz help me on this, i dont want to go back to windows just to play league since im noob idk what more details to post here so plz tell me what do you need

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• This Week in Geek History: Birth of NACA, Chemical Composition of DNA Discovered, Telephone Introduced

  - by Jason Fitzpatrick

  Every week we bring you new facts and figures from the annals of Geekdom. This week we’re taking a look at the birth of NASA’s forefather, the composition of DNA, and the first telephone. 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 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] Add a “Textmate Style” Lightweight Text Editor with Dropbox Syncing to Chrome and Iron

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• Depends on lib32gcc1 , libc6-i386 , can't install neither

  - by user2328765

  I tried to install catalyst for my Radeon Graphics on 13.10 , but looks like everything went wrong . Now I can't install any software , and the software center says : The following packages have unmet dependencies: fglrx: Depends: libqtcore4 (>= 4:4.5.3) but 4:4.8.4+dfsg-0ubuntu18 is installed Depends: lib32gcc1 but it is not installed Depends: libc6-i386 but it is not installed xserver-xorg-video-intel: Depends: xorg-video-abi-13 but it is not installed I am a noob , thus I really don't know what to do . I tried to install lib32gcc1 and libc6-i386 via apt-get and it didn''t work also for unmet dependecies . I downloaded .deb package of libc6-i386 but I couldn't install it. any help ?

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• Multi Seat Ubuntu 10.10

  - by JJ Mcfly

  Hi I was hoping to have a 2 seat setup. One will be for my TV just going to run Boxee. The other is for my main Desktop. I've been looking for a good guide to help me navigate this, I'd like to use ubuntu 10.10. I am assuming it's just a case of getting a box + 2 graphics adaptors and 2 usb mice and keyboards, one of which will be bluetooth for the TV. I can't seem to find much documentation on this idea. Can anyone point me in the right direction? Also I am assuming that this is all possible with a standard ubuntu install, but with some additional configuration. Thank you in advance for any advice you can offer me JJ Mcfly

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• What can make peaceful game successful?

  - by Miro

  Today, the most successful games are action games like FPS, RPG, MMORPG... I'd like to make peaceful game, but i don't know how to attract people. I can make good graphics, but that's not the main thing that makes people like game more that couple of minutes. The content is important. In game styles mentioned in beginning are main content fight, kill others, make from yourself predator/the most powerful creature/player in the game. But what content can attract people in peaceful game?

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• HTG Explains: How Do Noise Reducing Headphones Work?

  - by YatriTrivedi

  Passive noise reduction, active noise cancellation, sound isolation… The world of headphones has become quite advanced in giving you your own private sound bubble. Here’s how these different technologies work. Latest Features How-To Geek ETC 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 How to Enable User-Specific Wireless Networks in Windows 7 How to Use Google Chrome as Your Default PDF Reader (the Easy Way) WizMouse Enables Mouse Over Scrolling on Any Window Enhance GIMP’s Image Editing Power with Gimp Paint Studio Reclaim Vertical UI Space by Moving Your Tabs to the Side in Firefox Wind and Water: Puzzle Battles – An Awesome Game for Linux and Windows How Star Wars Changed the World [Infographic] Tabs Visual Manager Adds Thumbnailed Tab Switching to Chrome

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• Gnome 3 after run has graphic problems

  - by Antonis

  I have 3d accelarator but gnome still doesn't work My pc enters gnome desktop bu there i have graphic problems! Graphic problems with the top taskbar and wherever i click it, my desktop transforms into gnome clasic desktop. I am using ati radeon 4800 hd and ubuntu 11.10 Not software rendered: yes Not blacklisted: yes GLX fbconfig: yes GLX texture from pixmap: yes GL npot or rect textures: yes GL vertex program: yes GL fragment program: yes GL vertex buffer object: yes GL framebuffer object: yes GL version is 1.4+: yes Unity 3D supported: yes Similar report from @user26930 - ATI HD5770 graphics card - gnome-shell is affected but Unity works fine.

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• CS Concentrations and Career Paths

  - by xbonez

  I'm approaching the end of Sophomore year in college (Studying Computer Science), and very soon I'm going to have to decide on my concentration, but I honestly don't know what each concentration means. I basically have two questions: 1. How much influence does your concentration have on your career path? For example, would a video game development company only look at people with a concentration in Game Development? 2.It would be great if you guys could, in a line or two, tell me what sort of jobs am I looking at for each of the concentrations? I need to pick at least two of the 9 below. - Algorithms and Data Structures - Artificial Intelligence - Computer and Network Society - Computer graphics and vision - Human-Computer Interaction - Game Development and Design - Numeric and Symbolic Computation - Programming languages - Systems

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• Problem with Free sapce

  - by Andrew Neely

  I was zeroing out the free space on my Ubuntu 12.04 using sfill, when the command stopped responding and I had to reboot the machine. Now, the system says that it has no space left, and that it is running in low graphics mode. Before this happened, I had nearly 500 gig free. df says there are 0 bytes free. df -i reports only 2% of INODES used. I've run fsck and it didn't resolve the issue. What can I do to resolve the issue?

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• Is it possible to design a multiplayer game which can be played from different devices?

  - by user9820

  I want to design a online multiplayer game for all gaming devices e.g. Desktop PC, internet browser, android phones, android tablets, iphone, ipad, XBOX 360 etc. Now my main requirement is that, I want all devices can be used to play the game in multiplayer mode toghether i.e. One player can be connected using PC another using android phone and other may be with iphone or ipad. My doubts are - How to make all devices to connect to common game server? What will be the logic for graphics and texture because all devices screen will be of different aspect ratio?

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• Unable to install Nvidia drivers

  - by Tazzer

  a few days ago I installed ubuntu 11.10 on my friends computer. Despite all of our efforts we are unable to open the default unity and it will only open the 2d interface. I have been told in the IRC chat room that we need to install the graphics card drivers(nvidia geforce 420.) When I check the additional drivers app it doesn't show any to install. I tried installing the ones from the nvidia website but no luck, I also forgot to mention. I don't know if it means anything but he has a 64 bit computer and it is ubuntu 11.10 64bit.

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• Which ubuntu I shoul use for old desktop

  - by clickit

  I have an old computer which has 512MB RAM and 128MB Graphic card. It has windows 95 currently, it loads fine but it has some issues with Internet connection and pendrive. I am tired of solving problems. I booted live CD of ubuntu 10.10. It loads slow and some diplay problems. But it resolved my internet problem and pendrive. So I want install ubuntu which is equivalent to windows 95 in boot, application load, graphics level. Can anyone suggest unbuntu version? What about xbuntu?

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