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  • How to Add a Taskbar to the Desktop in Ubuntu 14.04

    - by Lori Kaufman
    If you’ve switched to Ubuntu from Windows, it may take some time to get used to the new and different interface. However, you can easily incorporate a familiar Windows feature, the Taskbar, into Ubuntu to make the transition easier. A tool called Tint2 provides a bar at the bottom of the Ubuntu Desktop that resembles the Windows Taskbar. We will show you how to install it and make it start every time you log into Ubuntu. NOTE: When we say to type something in this article and there are quotes around the text, DO NOT type the quotes, unless we specify otherwise. Press Ctrl + Alt + T to open a Terminal window. To install Tint2, type the following line at the prompt and press Enter. sudo apt-get install tint2 Type your password at the prompt and press Enter. The progress of the installation displays and then a message displays saying how much disk space will be used. When asked if you want to continue, type a “y” and press Enter. When the installation has finished, close the Terminal window by typing “exit” at the prompt and pressing Enter. Click the Search button at the top of the Unity bar. Start typing “startup applications” in the Search box. Items that match what you type start displaying below the Search box. When the Startup Applications tool displays, click the icon to open it. On the Startup Applications Preferences window, click Add. On the Add Startup Program dialog box, enter a name for the startup application. This name displays in the list on the Startup Applications Preferences window. Type “tint2” in the Command edit box, enter a description in the Comment edit box, if desired, and click Add. Tint2 is added as a startup program and will start every time you log into Ubuntu. Click Close to close the Startup Applications Preferences window. Log out and log back in to make the Taskbar available on the desktop. You do not need to reboot the computer for this change to take effect. Now, when you minimize a program, an icon for it displays on the Taskbar at the bottom of the screen, just like the Taskbar in Windows. If you decide that you don’t want the Taskbar to display every time you log into Ubuntu, you can uncheck the Tint2 startup program on the Startup Applications Preferences window. You don’t need to delete it from the list.

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  • How do I set up a .emacs initialization file? [migrated]

    - by Harry Weston
    I am using Linux Fedora 13 (Constantine) and emacs 23.1.1. I am trying to set up a .emacs file for initialization, by using emacs itself to edit and save a file .emacs in my home directory. However, although the file is there, emacs does not seem to recognize it. What might I be doing wrong, and is there a simple text for .emacs that will show me if it is being used, one that will display a message on emacs start up?

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  • Top down space game control problem

    - by Phil
    As the title suggests I'm developing a top down space game. I'm not looking to use newtonian physics with the player controlled ship. I'm trying to achieve a control scheme somewhat similar to that of FlatSpace 2 (awesome game). I can't figure out how to achieve this feeling with keyboard controls as opposed to mouse controls though. Any suggestions? I'm using Unity3d and C# or javaScript (unityScript or whatever is the correct term) works fine if you want to drop some code examples. Edit: Of course I should describe FlatSpace 2's control scheme, sorry. You hold the mouse button down and move the mouse in the direction you want the ship to move in. But it's not the controls I don't know how to do but rather the feeling of a mix of driving a car and flying an aircraft. It's really well made. Youtube link: FlatSpace2 on iPhone I'm not developing an iPhone game but the video shows the principle of the movement style. Edit 2 As there seems to be a slight interest, I'll post the version of the code I've used to continue. It works good enough. Sometimes good enough is sufficient! using UnityEngine; using System.Collections; public class ShipMovement : MonoBehaviour { public float directionModifier; float shipRotationAngle; public float shipRotationSpeed = 0; public double thrustModifier; public double accelerationModifier; public double shipBaseAcceleration = 0; public Vector2 directionVector; public Vector2 accelerationVector = new Vector2(0,0); public Vector2 frictionVector = new Vector2(0,0); public int shipFriction = 0; public Vector2 shipSpeedVector; public Vector2 shipPositionVector; public Vector2 speedCap = new Vector2(0,0); void Update() { directionModifier = -Input.GetAxis("Horizontal"); shipRotationAngle += ( shipRotationSpeed * directionModifier ) * Time.deltaTime; thrustModifier = Input.GetAxis("Vertical"); accelerationModifier = ( ( shipBaseAcceleration * thrustModifier ) ) * Time.deltaTime; directionVector = new Vector2( Mathf.Cos(shipRotationAngle ), Mathf.Sin(shipRotationAngle) ); //accelerationVector = Vector2(directionVector.x * System.Convert.ToDouble(accelerationModifier), directionVector.y * System.Convert.ToDouble(accelerationModifier)); accelerationVector.x = directionVector.x * (float)accelerationModifier; accelerationVector.y = directionVector.y * (float)accelerationModifier; // Set friction based on how "floaty" controls you want shipSpeedVector.x *= 0.9f; //Use a variable here shipSpeedVector.y *= 0.9f; //<-- as well shipSpeedVector += accelerationVector; shipPositionVector += shipSpeedVector; gameObject.transform.position = new Vector3(shipPositionVector.x, 0, shipPositionVector.y); } }

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  • Please Help Me Install Firestorm?

    - by Elle Caszatt
    I have been trying for hours just to install one program. In this time, I've tried my best to follow directions and not screw everything up but I have. I'm new to Linux. I tried to install Firestorm and this is what happened: parent@ubuntu:~$ sudo '/home/parent/Downloads/Phoenix_Firestorm-Release_i686_4.2.1.29803/install.sh' [sudo] password for parent: Enter the desired installation directory [/opt/firestorm-install]: /home/parent/downloads - Installing to /home/parent/downloads /home/parent/Downloads/Phoenix_Firestorm-Release_i686_4.2.1.29803/install.sh: line 80: /home/parent/downloads/etc/refresh_desktop_app_entry.sh: Permission denied parent@ubuntu:~$ sudo opt/firestorm-install sudo: opt/firestorm-install: command not found parent@ubuntu:~$ ./etc/refresh_desktop_app_entry.sh bash: ./etc/refresh_desktop_app_entry.sh: No such file or directory parent@ubuntu:~$ sudo '/home/parent/Downloads/Phoenix_Firestorm-Release_i686_4.2.1.29803/install.sh' Enter the desired installation directory [/opt/firestorm-install]: /home/parent - Backing up previous installation to /home/parent.backup-2012-08-27 - Installing to /home/parent cp: cannot stat `/home/parent/Downloads/Phoenix_Firestorm-Release_i686_4.2.1.29803/*': No such file or directory Failed parent@ubuntu:~$ Now whenever I go into my files it says it can't find anything. Like Cannot find home/parent/Downloads. Now, I KNOW there are downloads. I don't know why it's doing this all of a sudden. I'm so frustrated that I'm ready to just go back to Windows. I've already had to uninstall/reinstall Ubuntu once today. It's looking like I"m going to have to do it again. How can I fix my file problem that I'm now having and can someone please, please tell me how to install Firestorm? I mean they don't even have their repository listed. It's ridiculous to have to go through this over a program. Spotify wasn't hard at all to install so why is this? Someone please help, and I'm sorry if I sound like a total idiot. I'm pretty tech savvy but I'm honestly pretty upset after struggling with this for hours. Edit Okay, I see the problem with the directory files (showing the error I mentioned above when I try to click on them). I can only access my downloads, desktop, ect, through the backup that was created when I tried to install Firestorm. It's like that's the real home now. How can I get it back to the way it was? Edit Ubuntu has stopped working for me on reboot now. It doesn't go past the login screen. This is exactly what happened when I had to uninstall it before after trying to install Firestorm. Maybe I'm giving up too easily but I think I'm just going to go back to Windows. If this is what's going to happen every time I innocently try to install a program then it's just not worth it. I installed it specifically to run Firestorm because Windows sucks up a lot of CPU and causes lag. I still appreciate any input but this is just too much hassle for something that shouldn't be hard.

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  • Is there a way to manage my Grub menu options from with the GUI/desktop?

    - by Neil Trodden
    With each kernel update, a new entry is placed in Grub to provide a way to boot that specific kernel version. I have about 5 at the moment and, to be honest, once I have confirmed I can boot into the new kernel version, I never go back to a previous version. I'd like to manage the items in this list from the desktop rather than edit the file, is there a way to do this using the GUI from within Ubuntu itself?

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  • Why can Perforce be a better version control system? [closed]

    - by dukeofgaming
    I've seen some people love and some loathe Perforce. As users or administrators with experience with other version control systems (free cookie to the ones with DVCS experience [git, Mercurial]), what is the main reason/feature that makes you love Perforce over other version control systems? Edit: No, I don't sell Perforce... this is just part of my ongoing research to pitch DVCS at my company (see my question history)

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  • Google Analytics: Block Your Dynamic IP Visits?

    - by 4thSpace
    I have a dynamic IP, which doesn't work for Google Analytics IP filtering. I read this post How to excludes my visits from Google Analytics? but don't see any code for setting the variable mentioned there. Has anyone been able to block their website visits from Google Analytics using a cookie? EDIT: This seems to work https://tools.google.com/dlpage/gaoptout. Although I don't think it was designed as I'm using it.

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  • Using Google Webmaster & Analytics, what data to look at to improve website performance?

    - by Rob
    Using data from Google Analytics and Webmaster tools, what data should I be looking at to improve my websites performance? I want to improve the SEO, usability and just general performance of my website. EDIT: It's a portfolio website that we've done the initial SEO for, also optimised all images etc and made the site as fast as possible. What kind of things should I be looking out for in the analytics and webmaster data to improve performance for both the SEO and each individual page.

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  • What are the tools used by modern desktop/"native" application developers? [closed]

    - by kunjaa
    Besides the usual editor and debugger, what do the modern desktop (windows and linux) application developers use for their development. I am more interested in profilers, code analyzers, memory analyzers, packaging tools, GUI frameworks, libraries and any other handy tools and secrets that you couldnt live without. For example, as a web application developer, I have my Firebug and its extensions, Wireshark, jQuery and its extensions, client side and server side mvc frameworks, selenium tests, jsfiddle etc. Edit : Ok let us constrain this by saying you are using C++

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  • Professional immigration

    - by etranger
    Hello all, Does anyone here have a practical advice on professional relocation from Russia to Europe? The reasons behind making such a decision are far beyond the subject, perhaps, so I'll stick to the practical part. Having done some of the "common stuff" for finding a job, I am now facing two serious problems: I am a "dual-class" person, with university degree in marketing, and multiple years of self-studied computer competence (hence my writing here). Have professional experience in both areas. I don't currently hold a European work permit. From what I can see, this results in normal HR person throwing out my CV as either being "overqualified" or "too much trouble with making the permit". I do have the skills and character to start my own business, but it requires start-up capital that I don't have, over the last years I had to pay high bills for medical treatment of my family member, who had deceased. Now, I'm almost out of debts. As you can probably guess, English is not a problem, and I'm open to new languages, but first steps of entering the market, or the society, is the problematic part. I live close to Norway, and am trying to get some professional contacts there, but it hasn't got me any practical perspective so far. Any advice is greatly appreciated. EDIT: I am currently making my living off web site development, and occasional consulting services both in IT and marketing. For purely geographic reasons I'm dealing with clients that reside in the same city where I live, pop. 350 000. Being quite local, market requirements for web sites are simple and stable — clients need to control navigation, write articles in a word-like editor, upload illustrations and place ad banners, all with no additional programming. As many web developers do, I'm using my own content management system that fits these expectations. I have also started developing a newer version of this system that has better support for international environments, but I'm too distant from the real market demand in Europe to speak of the right track here. Technically it's based on php/mysql and uses xslt for templating. It allows for quick website deployment, and has architectural neatness, lack of which made me abandon similar opensource solutions (Joomla and the like). Deploying time from rasterized design proofs is normally under 6-8 working hours, don't know how that compares to the world practice. EDIT 2: Can anyone share what Norwegian (Scandinavian) web solutions market currently demands?

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  • How to filter traffic coming to particular page from other page?

    - by BishKopt
    I've got page A linking to page B. There are also other pages linking to B. How can I see traffic that is coming to page B be ONLY form page A? I can somehow do it via Behavior flow: Behavior Behavior flow [Right click on anything] Explore traffic through here [Click edit icon] Define a page group [Right click] Group details [Dropdown] Incoming traffic But how do I do it in normal reports? Is there any way to filter out only the traffic coming from particular page?

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  • Tutorial: Linux Boot Camp: How Linux Boots (part 1)

    Booting. Sometimes it seems like it takes forever. What's the computer doing all that time? How do you find out? The Linux boot sequence is surprisingly simple, and the best part is that almost all of it is controlled by shell scripts you can read -- and even edit yourself.

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  • How to Modify Caching Behavior in Internet Explorer 10

    - by Taylor Gibb
    Caching is term used a lot when it comes to technology, here’s a brief introduction to the subject as well as some tips on how to view and edit cached file settings in Internet Explorer. What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8 HTG Explains: Why You Shouldn’t Use a Task Killer On Android

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  • Can I use copyrighted images and music in my game? [duplicate]

    - by Aman Grover
    This question already has an answer here: Using modified copyrighted music in non-commercial games 3 answers I am working on my first ever project , and I have used some copyrighted images(images taken from some other well recognized games). Is it even possible that I edit the images a little bit and then use them as royalty free images? If not, then can anyone tell me some web links from where I can get royalty free images?

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  • Notification / tray icon / applet drop downs disappear or flicker when clicked

    - by postfuturist
    For some reason, after upgrading to 11.10, the tray icon drop-down menus don't persist after a single click about 2/3 of the time. They always work if I click-and-hold, but I'm used to just clicking once to examine the menu. The behavior is not consistent, so the drop down menus will stay after click about 1 in 3 times. I'm running 64 bit Ubuntu on a dual-monitor setup. EDIT: from lspci: 01:00.0 VGA compatible controller: nVidia Corporation M116N (rev a2)

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  • When is it reasonable to create my own programming language?

    - by Daniel Rikowski
    Are there types of killer applications, classes of algorithmic problems, etc., where it is better, in the long run, to create my own language? PS: Just to be sure, I mean a new programming language and a compiler, not a new compiler for an existing language. EDIT: Thank you for the answers. Can you provide some examples, where it is absolutly unnecessary to create a DSL or cases in which a DSL might be a good idea?

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  • Can anyone explain segmented sieve of eratosthenes [on hold]

    - by Utkarsh
    I've searched all over the web on implementation of segmented sieve of eratosthenes. But I found none of them suitable for a beginner. Can anyone explain me the underlying principle behind this method? EDIT: I know that in Sieve of Eratosthenes, we find all primes upto the square root of given number and cross out all multiples of them till the given number. But what do we exactly do in its segmented version?

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  • Le Gouvernement français fait le choix du Logiciel Libre pour l'Etat, que pensez-vous de cette décision ?

    Le Gouvernement français fait le choix du Logiciel Libre pour l'Etat Que pensez-vous de cette décision ? Edit de Gordon Fowler, le 27/09/12 : ajout des avantages, des limites et des questions de la circulaire Dans une circulaire adressée à tous les membres du gouvernement intitulée "Orientations pour l'usage des logiciels libres dans l'administration", le Premier ministre, Jean-Marc Ayrault, a recommandé l'usage des logiciels libres tout en soulignant leurs avantages dans différents domaines. Cette initiative, faisant suite à la circulaire Fillon sur la généralisation de l'usage des formats ouverts, est fruit d'un travail animé par la d...

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  • Yahoo media player not working with Ruby on rails

    - by luca590
    I have a yahoo media player embedded in my webpage. I am currently using Ruby on Rails to create/edit my web page. When i click the play button next to a track the YMP waits a while and then goes to the next track without playing the first one. I then get a warning on my second (last) track that its file could not be found. Does anyone has a better recommendation for an audio player or a way to fix this one?

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  • Vote based issue tracking and feature request system? [closed]

    - by meds
    I'd like a system where people can sign up and post bugs or feature requests they might have and have access to seeing other bugs and feature requests they can vote on based on which they want the most. Something like http://feedback.unity3d.com would be great. edit: I'm not exactly sure how this isn't 'a real question', perhaps people are incapable of inferring a question because of a lack of a question mark so here's one: '?' is that better? (that makes two).

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  • What is your toolset?

    - by MrG
    What tools, free or otherwise do you use to help you with your "webmastering" I'm thinking along the lines of, Link checking, analytics, web stats, page validation, plus anything else you can think of! Personally I use: webmasters tools, google analytics, AWstats I'm looking for anything (free or paid) which maybe hovering under my radar which could be of use. (edit - missed a couple of words out of first line!)

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  • Best boost to productivity : SSD or second screen ?

    - by jfoucher
    Within the same budget, which do you think would be the best boost to productivity for general web development : An SSD as boot drive, or a second screen ? I currently use a 16.4" laptop with full HD screen and 7200 RPM HDD Thanks EDIT: In light of the answers so far, I add that I work at home and while I have a home office with a proper desk, I'm just as often coding sitting on the sofa in the living room.

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  • The Future Has Already Happened

    ?Yo, guys! Check out my birthday snapshots?. This is perhaps how you ask your friends to see your birthday photographs when they are with you. With WWW in place, you can preserve, edit and share phot... [Author: Walter Reed - Computers and Internet - June 02, 2010]

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  • How do I get my Lenovo T61 to connect to a wireless network?

    - by Ross Fleming
    I have a Lenovo Thinkpad T61 and the wireless works just fine so I installed Ubuntu straight away only to find that the wireless will not connect, it will see the networks but just not connect. Has anyone managed to solve this all the forums seem to relate to Ubuntu 9.04 and before. Edit:Sorry about that, I didn't realise that there were 2 models mine is the Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection. Any help is much appreciated.

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