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• Is it better to concentrate on one or two research projects throughout undergrad?

  - by AruniRC

  Currently in the 4th semester of engineering in an Indian university. The thing is - is it better to do as many short-lived projects/research work on diverse topics of computer science or stick to one/two projects consistently throughout my undergraduate years? Case in point: currently working on an image-processing project that promises to carry on for a year or so (as per the prof). Does this seem like being over-specialized at too early a level? Although taking on too many things will spread me out thin and in all probability not end up getting any meaningful work done. Especially as I hope to apply for grad school in the US. Would really appreciate any views and suggestions on this.

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• 12.04 LTE wireless not working in Dell Insprion E1405

  - by Rey

  i have the windows XP media edition running on my Dell Inspiron E1405 with all the hardware working properly. Recently i wipe out the windows and installed the Ubuntu 12.04 LTE using the CD and the installation process completed successfully but my wireless stopped working after. computer wireless indicator turned off and i can't even do the wired connection as well. it is Broadcom BCM4311 adapter. i tried to download the driver from the dell website but they don't have the Linux version of the driver if its that causing the problem. i appreciate your help that can solve my issue. thank you.

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• Windows gets progressively slower over time, why doesn't Ubuntu?

  - by William

  I, and many other previous Windows users notice that the computer seems to get progressively slower over time. I bought a leapfrog crammer only to find it installed process that sat there waiting for me to plug the crammer in so it could run the software. It took up three percent of the CPU twenty-four seven, seven day a week! This is one of the main reasons I left Windows. But, Ubuntu doesn't seem to slow down over time at all. Does Ubuntu allow programs to install background programs like the leapfrog crammer did to sit there like a leech and suck away at resources? Could someone explain why Windows tends to get slower over time, and is Ubuntu vulnrable to this too? Thanks for any help, this is puzzling me.

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• JavaOne 2012 demo of Java SE Embedded on Raspberry Pi

  - by hinkmond

  Here's the Inquirer's article about our Java SE Embedded demos at JavaOne 2012 this year. Simon Ritter had a fun presentation showing the cool demo on the Raspberry Pi at his talk. See: Demo Java SE Embedded on Raspberry Pi Here's a quote: Oracle demonstrated Java SE for embedded devices running on the Raspberry Pi bare bones computer at the Java One show on Wednesday, with the aim of encouraging developers to try it out for themselves to create reference libraries for the target school children audience. I had the presentation after Simon and saw the size crowd he had. They were laughing and clapping at the demo and having a good ol' time. Good to see the interest in Java SE Embedded, even if it is for a "toy" device like the Raspberry Pi. Hinkmond

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• Windows Wireless Drivers - Install

  - by Justin Y.

  I have nearly ended my journey of making a dual-boot windows xp and ubuntu computer. Along with version 12.04, came the problem with my NetGear WNDA3100v2 wireless adapter. It wasn't compatible. My last step in my adventure is to install the software called Windows Wireless Drivers. I have internet access on my laptop and a flash drive. It would be preferable to receive a link to this program, because I see no link on the website, and I can't download it from the Ubuntu Software Center. Thanks.

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• How do I interview Front-end focused web developers?

  - by Civilian

  For the first time I'm in the position where I'm helping interview potential front-end developers. (The other interviewer is more business & PM-focused, although he is a former developer.) I probe for knowledge and background in css, js, and other related technologies, but those questions are really just testing for lingo. I feel that it'd be unfair to ask very specific questions about css when we're not infront of a computer, because my style of programming css is a lot of guesswork. I've also been given websites that these web developers have written-- is that enough to go on for interviewing front-ends? We're also looking for general aptitude, rather than a databank of knowledge.

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• How long does Wubi take to download and/or save place?

  - by Oscar Godson

  I'm downloading Wubi now and it's been downloading the ISO torrent for maybe 2hrs-ish. Is there anyway to check how far along it is? Also, is there a way to save my place or if I cancel this or my computer dies, will it lose the place? If I DO lose my place. Can I download a ISO myself and place it somewhere that Wubi will grab from so it just installs it, not downloads the ISO? (this way I can watch the % too) Im at a conference and my internet is fluctuating between 3-7MBs...if that helps

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• usb keyboard stopped working in terminal window after update from 13.04 to 13.10

  - by Jim

  When I start the computer, I am logged in automatically. Using the keyboard, I type Ctrl+Alt+t, which brings up a terminal window, just like it should; however, nothing happens when I attempt to type into the terminal. If I change over to the guest account, I can type into the terminal, but (different problem here, I'll ask it separately unless someone is kind enough to answer it here) my password doesn't work for sudo or anything else. Elsewhere I read that Language support could fix it, but that won't accept my password either - and no, I haven't changed it lately. Also, my Plex Media Server seems to have disappeared. I'll re-install everything if necessary, but I sure would rather avoid that if possible

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• How is your working time distributed between coding and thinking?

  - by mojuba

  ...in percentage. For example 60/40 or 90/10 or 100/0. My hypothesis is that the bigger the proportion of time you spend thinking the smaller your code can be as a result (and the less time will be needed to write it down). Think more, write less, in other words. Do you think it is true? As a side note, I think in typical software companies thinking is not part of the culture anyway: you are usually supposed to be sitting there at your computer typing something. You will almost definitely be noticed by your managers if you wander about with a blank look thinking over your next steps with your code. Too bad.

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• Front End Application Development

  - by gprime

  I want to start a side project at the company i work for. Right now we are a 100% web based company. I have an idea for a fun project that would install an application on your computer. Anyways, i am not here to discuss the product. I am here to ask about the front end application development. I am a good C++ programmer but only algorithms (I have over 10 years in web development). I have never made a UI application before (minus the old school VB days). I would like to know my options for the front end application for windows, osx and linux. What are the popular choices these days for the UI of applications in windows, osx and linux?

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• How to attend one off lectures? [closed]

  - by Senthil Kumaran

  Many times, we come across one-off lectures from famous Computer Scientists. Last year, I came across one by Ms. Barbara Liskov, but I could not go because the University Hall was bit far. Tomorrow, there is one by Dr. Knuth! Now the problem I am facing is, "I don't know much about the material he is going to talk", so I am not sure if I should plan and I fear it will be like going for a "temple". :) What is your advise and general strategy that you have followed whenever you wanted to attend a talk or lecture wherein, it may have been worthwhile if it were an introductory tutorial, but instead you were sitting in an advanced 1 hour lecture by a famous scientist.

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• Problem: Black screen after resume

  - by Robert

  Problem: Black screen after resume I found the below statement that I provided the link for but, no instructions with it for a person that's new to Ubuntu on what exactly to do to fix the problem. Can someone clarify this for me? Thank you. Ubunu 13.10 AMD A6-3420M APU with Radeon(tm) HD Graphics × 4 64bit Toshiba L775 My computer boots to a black screen, what options do I have to fix it? Typical scenario is "use a laptop docked with lid closed, only the external screen is active, suspend, take the laptop, open it somewhere"... which leads to "no screen active". To debug this problem, check if gnome-settings-daemons is getting a signal that the display configuration has changed, by running xtrace against it, and look for a RRScreenChangeNotify event when resuming the machine. If that signal is being sent, then it indicates a possible bug in g-s-d. Otherwise, it suggests a bug in either X or (more likely) the kernel which is not causing the signal to be emitted to begin with.

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• Can I launch Windows 8 with grub?

  - by Laurbert515

  I accidentally deleted the boot loader for Windows 8 (I think). Here is the situation: I just got a new computer with 2 HDD (sda, sdb). Now, all of the windows OS was installed on sdb (all except for about 210 MB on sda). I formatted sda and installed Kubuntu 12.04.2 (which only loads the terminal because it says it can't find a screen, but that's another story!) Now, my Windows 8 data and NTFS partitions, etc. are still on sdb and untouched. Unfortunately, I cannot see an option to boot into Windows 8 in grub, so is there a way that I can go about using grub to point to the Windows 8 OS? The only other option I can think of is to buy a fresh copy of Windows 8 and install it fresh (no, I didn't create a backup USB because I'm an idiot ...)

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• No sound on laptop speakers on an Acer Aspire 6920

  - by snewix

  Computer: Acer Aspire 6920 Card: HDA Intel Chip: Realtek ALC889 My problem is that the laptop build-in speakers don't play any sound. When i plug in my headphones the sound works normally, the same goes with external speakers. Those work normally like the headphones. The profile in the Sound settings is Analog two-way Stereo. I am using Ubuntu 12.04. Might trere be any problem with my sound drivers or something similar? Any form of help appreciated.

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• Why does the BADSIG/"Untrusted sources" error recur forever?

  - by Jeff McMahan

  On at least a dozen occasions, I've spent 2-3 hours figuring out how to get Ubuntu 11.10-12.10 to either update or acquire software from software center, or both. I want to fix whatever is causing the BADSIG problem once and for all; I've wasted so much time trying to get this to work well enough that I can rely on it, but the same problem comes back after a couple weeks of normal updates and software center usage. Don't refer me to a standard posted solution on the web---whatever it is, I've used it more times than you have. The question isn't whether I can get it to work right this afternoon. I can. The question is what is causing the problem to recur regularly across 3 releases. Notice: I use this computer 4-5 hours per week and I do little on it. PDFs, Latex, FireFox, Mendeley, and that's it. I don't constantly install new software, and I don't fiddle with things unnecessarily.

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• what is the Best way to learn object oriented principles

  - by Mike

  I am interesed in OOP principles and i found lots of documentations and books about it, for instance in C++, Java, .NET, PHP and so on, but if i only want to learn OOP principle, differences and not in language, what can i do? i want a good documentation, not just like a whole book about something except OOP :) specific answers, how it works, main features, pictures, or videos, or forum, or even stack... in every time I began studying i read a whole history of programming, computer science, software development and bla bla... i need specific answers, if it is possible i really need to learn, i need examples and exercises thanks in advance

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• I can't even login, black screen! [SOLVED]

  - by Elisa Velasco Lorenzo

  I wanted to fix something, and I followed the advice given by someone on the #ubuntu IRC chat. I don't think I did it properly, because now, I cannot even login and I have a black screen. Ii must be a Gdm / Lightdm issue... I am writing this from another computer. Is there a way I can solve this without formatting and losing all my files? All I have is the GRUB menu. I don't even have the recovery mode on the GRUB menu...

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• Questionable ethics regarding closed source softwares which are supposed to be open source.

  - by edem

  Several days ago I heard a sentence "Cracking company name routers are not a crime.". I asked "Why?" and the guy explained to me that company name used a linux distribution on their routers which source can not be closed because of their license but company name closed it. What do you think about this? Doing otherwise unethical "cracking" becomes ethical, or somewhat neutral if the software in question is "cracked" too? By "cracking" I don't mean breaking into a computer through someones' company name router but "cracking" my own router's OS which otherwise would be unethical.

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• Edubuntu - Java Iced Tea and Carnegie Learning

  - by user95864

  I've recently built a computer lab running various forms of Ubuntu. I'm testing out Edubuntu to see if it is a better fit for our school, but I'm running up against a problem I can't resolve. One of the programs we use is Carnegie Learning Online, a Java program that I've managed to get working on both Ubuntu 10.04 and 12.04. After updating Java (all distros), when you access the website a .tt applet file is downloaded. With Java installed you can select the IcedTea plugin to open it. On 10.04/12.04, this then opens a new window, Java runs a setup of some sort, and then a new window with the Carnegie program opens. On Edubuntu however, once you've told IcedTea to run it....nothing happens. No errors, just nothing. I've tried this with an older update of Java as well as the newest. Any ideas?

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• Shader Model 3.0 not available

  - by Romy

  I have Acer 4745G with ATI HD 5650 1GB VRAM. After I installed the COD Black Ops trough Wine Playonlinux and successfully installed, and I play the game and then appear message "Shader Model 3.0 not available". I have installed ATI driver 11.8 when I trying this game. And then I'm trying to install the driver from menu "System Administration Additional Driver, it doesn't work. I cannot log in, in the screen appear only the text for log in. And then I uninstall it trough recovery mode. And then I download ATI driver 11.11 from official ATI/AMD website, and then I restart my computer and my screen appearing only text again. I'm using Ubuntu (Ultimate Edition) 11.04. How to overcome this problem?

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• Need help to install persistent Ubuntu on USB drive

  - by Junior

  I am a new user of Ubuntu. I would like to install a persistent Ubuntu 11.04 to my USB stick, and it should be able to work as a guest OS running on Windows so that I can boot it on other computers other than the one which I used for the installation. I have used several creators such as unetbootin, however from my understanding it can only create Live Linux which I am unable to save my configurations and files. If it's possible I would like to bypass the BIOS, that is to say that I can just load from the virtual machine without having to restart the computer. Thanks in advance!

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• atheros ar8161 not recognized

  - by Paul

  Apparently I am not the only one with this problem. This was my solution, but it did not work, of course. I downloaded the tar from another computer. I found the file of the atheros driver that I needed which is apparently atl1c. I put that file on my ubuntu desktop. I ran the following in the terminal: cd ~/Desktop atl1c make sudo make install I am sure that some of you will find this code laughable, but isn't there a simple code I could use once I have the atl1c folder on the desktop?

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• Can I use GNOME-applets in Unity?

  - by Moma Antero

  Hello, Applets are small programs that you attach and start from the GNOME's toolbar. See picture: http://www.futuredesktop.com/audio-recorder/recorder-applet.ogv My favourite applets are: rec-applet: Smart audio recorder applet. You can get this from Launchpad. clipart-finder: Find and download clipart to your computer. You can get this from the Launchpad. 1) Can I use these applets in UNITY as is? 2) What changes I have to make to applets' code (rec-applet and clipart-finder) to make them usable in Unity? 3) Where is the applet-specification for Unity?

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• why does my lubuntu recognizes only lubuntu instalation cds?

  - by Hardi

  I installed lubuntu from alternate cd a month ago. Now when I needed to read some cd's, the cd try won't open. It can be opened before ubuntu boots up. It can be opened after entering sudo eject -i off from console. But it won't mount any other cd-roms, than just the lubuntu live-cd and lubuntu alternate instal cd, where it was installed from. "mount: no medium found on /dev/sr0" as output, when try to mount anything else. Problem can't be in corrupted sd's, because othe computer, did recognize them well.

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• Is there a repository of game logic algorithms?

  - by New2This

  I'm writing my first 2D game, and I'm writing some tracking logic for the computer enemies. Basic follow-the-player tracking was easy, but ineffectual. Too easy to escape. So I'm trying to implement some more sophisticated flanking and other tactics, and (as expected) it's pretty tricky. This is a topic I know nothing about. I'm going to keep trying, but it'd be awesome to have some examples or tips to work off of. Is there any place that has a decent set of pseudocode AI algorithms, or tips or advice on the subject, e.g. for 2D tracking?

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