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  • Why do I get unknown printer error 0xFA on my EPSON Workforce WF-3540 under Ubuntu 12.10?

    - by potofcoffee
    I recently bought an EPSON Workforce WF-3540, which I'm using under Ubuntu 12.10 with the official driver provided by EPSON. I am often printing batches of about a hundred pages, duplex. When I'm doing this, after about 20 pages, I regularly get an error message on the printer screen, telling me the printer encountered unknown error 0xFA, forcing me to turn the printer off and back on. I talked to EPSON about the problem, but they claim they're not supporting Linux and tell me to ask the Linux community about the problem (and possibly another driver?). So this is what I'm doing here... any ideas? Unfortunately, the documentation does not contain any information pertaining to error code 0xFA and the support hotline wasn't able to give me further information, either. BTW, the problem hasn't happened, so far, when I'm printing smaller batches or not using duplex. Whenever the problem happens, there's a page in the printer that's already been printed on one side, so I'm suspecting the problem's connected with the duplexer.

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  • lubuntu issues with desktop directory

    - by Hongxu Chen
    My lubuntu 12.04 is upgraded from the 11.10 version and I'm a Chinese user. What surprises me is that the directory shown on the initial screen is always changing! recently It seems to be mapped with the directory called w in my home directory(~). However when using pcmanfm to open the directory it usually shows odd string as to the name of the folder that cannot be print, which I think may be some Chinese characters.The directory also sometimes fails to appear in the window appeared first when logged in. I know the lxde has no conception of the shown folder and I think the lubuntu team has done some optimization. Can someone tell me what's happening?Thanks in advance.

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  • Forcing a Service to Restart at Boot

    - by pjtatlow
    So I use winbind and samba to connect to an AD domain at work, and one of my ubuntu machines has been having issues. At boot, I cannot log in as an AD user, but if I log in as the local user and do a sudo service winbind restart it works fine. Yes, winbind does start at boot, although for some reason incorrectly I think. I can't tell anything from the logs, and I'm just wondering how to force winbind to restart after it starts the first time, at boot. Thanks!

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  • Can I run MS Office apps installed under windows with Ubuntu

    - by Richard
    I don't have the option of installing the MS Office apps under Wine mostly as I simply don't have them, but these apps do exist on the workstation I use at work. I have installed Ubuntu on this machine on the same partition as MS Windows via the run-Ubuntu-as-a-Windows-app (not quite verbatim) installation instructions. The MS Windows is XP Professional and the MS Office version is 2007. Perhaps there are two scenarios, one where I can simply use the apps where they sit, and another where I can somehow "install" the existing executables into Ubuntu (Wine?) rather than installing their iso's (or whatever), which, again, i don't have. Anyway, whatever you can tell me about this is good with me. Thank you so much.

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  • Session Mania: Content Catalog & Suggest-a-Session

    - by Justin Kestelyn
    As ably reported in the Oracle Technology Network blog, the Oracle Develop Conference's content catalog is now public (as are the catalogs for JavaOne and Oracle OpenWorld), meaning you can now explore technical sessions scheduled for the conf to your heart's content."But something's missing", you may tell yourself. "Where is my favorite subject, the one I happen to also be an expert on?" Well, there's good news for you, too: The Suggest-A-Session project has returned. It works thus: Submit a session idea via Oracle Mix and ask your colleagues, Oracle Mix community, friends and anyone else you know to vote for your session. (You must be an Oracle Mix member to vote.) Voting is open through June 20. For the most part, the top voted sessions will be selected for the Oracle Develop Conf (or Oracle OpenWorld) official agenda. See the FAQ for fine print.Apparently some people have already jumped into this loophole, including Oracle ACE Director Marco Gralike, who has "gone video" on us: Why wait? Suggest-a-session!

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  • E-commerce for custom orders/customer image upload

    - by ansarob
    We have a client that needs an e-commerce site set up pretty quickly. As I have no experience with e-commerce, I am looking for some guidance. Basically, the two big features we need are: Ability for customer to add info about order (example: the name the customer wants to be put on the customizable product they ordered) Ability for customer to upload photo of product to be customized I hope this makes sense. Right now I am really looking into Shopify, but I can't tell if it does everything we need. I know you can add order notes when checking out, but not sure about image upload (maybe it can be added as an app through the API?).

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  • "has no motion" warnings

    - by Adam R. Grey
    When I reimport my project's Library, I get lots of warnings such as State combat.Ghoul Attack has no motion but I have no idea why. In this specific case, I looked up Ghoul Attack. Here's the state in which it appears, in the only animator controller that includes anything called Ghoul Attack: State: m_ObjectHideFlags: 3 m_PrefabParentObject: {fileID: 0} m_PrefabInternal: {fileID: 0} m_Name: Ghoul Attack m_Speed: 1 m_CycleOffset: 0 m_Motions: - {fileID: 7400000, guid: 0db269712a91fd641b6dd5e0e4c6d507, type: 3} - {fileID: 0} m_ParentStateMachine: {fileID: 110708233} m_Position: {x: 492, y: 132, z: 0} m_IKOnFeet: 1 m_Mirror: 0 m_Tag: I thought perhaps that second one - {fileID: 0} was throwing up the warning incorrectly, so I removed it. There was no effect, I still get warnings about Ghoul Attack. So given that the only state I know of with that name does in fact have motion, what is this warning actually trying to tell me?

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  • Change login screen to gnome-shell login

    - by Dr_Bunsen
    I was just goofing around in a vm to test what would happen if I purgen unity: sudo apt-get remove --purge unity* I found that I get an startup error, but when I proceed, I got this awesome login screen: It has an sexy effect and is just the gnome style my whole pc has got. So can any one please tell me how I change the default login screen program without having to bother clicking "fix this error" on every boot? Thanks in advance. [edit] This is the error I get, and the only option that works is the, run in low settings for one session.

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  • Changing the Game: Why Oracle is in the IT Operations Management Business

    - by DanKoloski
    v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} 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:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Calibri","sans-serif"; mso-bidi-font-family:"Times New Roman";} Next week, in Orlando, is the annual Gartner IT Operations Management Summit. Oracle is a premier sponsor of this annual event, which brings together IT executives for several days of high level talks about the state of operational management of enterprise IT. This year, Sushil Kumar, VP Product Strategy and Business Development for Oracle’s Systems & Applications Management, will be presenting on the transformation in IT Operations required to support enterprise cloud computing. IT Operations transformation is an important subject, because year after year, we hear essentially the same refrain – large enterprises spend an average of two-thirds (67%!) of their IT resources (budget, energy, time, people, etc.) on running the business, with far too little left over to spend on growing and transforming the business (which is what the business actually needs and wants). In the thirtieth year of the distributed computing revolution (give or take, depending on how you count it), it’s amazing that we have still not moved the needle on the single biggest component of enterprise IT resource utilization. Oracle is in the IT Operations Management business because when management is engineered together with the technology under management, the resulting efficiency gains can be truly staggering. To put it simply – what if you could turn that 67% of IT resources spent on running the business into 50%? Or 40%? Imagine what you could do with those resources. It’s now not just possible, but happening. This seems like a simple idea, but it is a radical change from “business as usual” in enterprise IT Operations. For the last thirty years, management has been a bolted-on afterthought – we pick and deploy our technology, then figure out how to manage it. This pervasive dysfunction is a broken cycle that guarantees high ongoing operating costs and low agility. If we want to break the cycle, we need to take a more tightly-coupled approach. As a complete applications-to-disk platform provider, Oracle is engineering management together with technology across our stack and hooking that on-premise management up live to My Oracle Support. Let’s examine the results with just one piece of the Oracle stack – the Oracle Database. Oracle began this journey with the Oracle Database 9i many years ago with the introduction of low-impact instrumentation in the database kernel (“tell me what’s wrong”) and through Database 10g, 11g and 11gR2 has successively added integrated advisory (“tell me how to fix what’s wrong”) and lifecycle management and automated self-tuning (“fix it for me, and do it on an ongoing basis for all my assets”). When enterprises take advantage of this tight-coupling, the results are game-changing. Consider the following (for a full list of public references, visit this link): British Telecom improved database provisioning time 1000% (from weeks to minutes) which allows them to provide a new DBaaS service to their internal customers with no additional resources Cerner Corporation Saved $9.5 million in CapEx and OpEx AND launched a brand-new cloud business at the same time Vodafone Group plc improved response times 50% and reduced maintenance planning times 50-60% while serving 391 million registered mobile customers Or the recent Database Manageability and Productivity Cost Comparisons: Oracle Database 11g Release 2 vs. SAP Sybase ASE 15.7, Microsoft SQL Server 2008 R2 and IBM DB2 9.7 as conducted by independent analyst firm ORC. In later entries, we’ll discuss similar results across other portions of the Oracle stack and how these efficiency gains are required to achieve the agility benefits of Enterprise Cloud. Stay Connected: Twitter |  Face book |  You Tube |  Linked in |  Newsletter

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  • Logitech Unify... how to use both the keyboard abd mouse on the same receiver?

    - by simon
    I bought this keyboard : tinyurl.com/7g3l2wt and this mouse : tinyurl.com/7kvkldm I am trying to use both on the same receiver, but so far i can't figure it out! i have tried this : https://github.com/treeder/logitech_unifier But i don't know how to compile it! if i paste ' gcc -o unify unify.c ' in the terminal, then i got this: gcc: erreur: unify.c: Aucun fichier ou dossier de ce type gcc: erreur fatale: pas de fichier à l'entrée compilation terminée. sorry it is in french... it say no files of this type and no file in the input... anyone can tell me how to compile it and then find my hidraw devices?? thanks

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  • Detecting controls of a winform

    - by Ayush Saxena
    I have a circular area cursor which is a circular winform(translucent) hooked to a cursor. On click, I want to get hold of the controls in the region of the parent winform just below the area of the cursor/form. These controls have to be arranged in circular layout on a different form. I am working on C#.NET. Please tell how to access the controls of a winform and change their positions in context with my application described above. Like what classes, procedure , resources i need. I am a newbie but desperate to complete this task.thanks in advance.

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  • What would you say to a bunch of software engineering students on their first day at college?

    - by Álvaro
    Next Friday I'm giving a short (30 min.) talk to a bunch of software engineering students who will be attending the same university I did. Some context: The place is Montevideo, Uruguay The university is Universidad de la República (public, free university) The Software Engineering programme takes 5 years (if you're very good and don't start working early). Around 800 new students per year, around 80 graduates per year. Conditions are harsh, particularly the first two years. Most of them probably have no idea what software engineering or programming is. My goal would be to somehow give them an idea of the field and hopefully motivate them to endure the hardships ahead to eventually become successful developers. So the question is: what would you tell these people?

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  • Tor and Google Analytics - how to track?

    - by Jeremy French
    I make a lot of use of Google Analytics - Google has reasonable tracking for location of users so I can tell where users come from. I know it is not 100% but it gives an idea. In the wake of Prism it is possible that more people will make use of networks such as tor for anonymous browsing. I have no problem with this, people can wear tin foil hats while browsing my site for all I care, but it will lead to more erroneous stats. Is there any way to flag traffic as coming from TOR, so I can filter location reports not to include it, and to get an idea of the percentage of traffic which does use it? Has anyone actually tried this?

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  • Unity spontaneously logs out in Ubuntu 12.04

    - by Yang
    This started happening after I upgraded from 11.10. I'm running on a Latitude 13 laptop with an Intel Mobile 4 Series Chipset Integrated Graphics Controller (not Nvidia) - no proprietary drivers. It seems to happen under load, though I can't tell if the load is caused by something with this problem or by a program I'm running. I'd like to try nailing this problem. Ideally I don't want to switch to something else (at least not before knowing that that's the only way out and that it's specific to Unity and not, say, X).

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  • How do I fix "malformed line" errors in sources.list?

    - by david
    I had problems with my movie player. The sound was fine but the picture seemed to hesitate or stick or pause every few seconds so I was looking for some help on how to do this. I tried to install a command in the terminal and got this message: E:Malformed line 68 in source list /etc/apt/sources.list (dist parse) Can someone tell me how to fix this problem. I cannot open the software center or the update manager. The only other option I can think of is to wipe everything out and do a clean install. Thank you.

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  • How much a website like bytes.com earning

    - by robin das
    i am running a website similar to bytes.com (IT QnA site) my site attract 600 unique visitors daily. we are planning our self as bytes.com. Atleast any one can tell me that whether we can earn some serious money with this kind of website. websiteoutlook estimate Daily Pageview - 700636 to bytes.com and its using google ads. Can any one please let me know what kind of earning we can expect for dotcom like bytes.com. Please give some light on this topic as a lot of energy, time and money goes in building this kind of website thanks robin Das

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  • What IDEs are available for Ubuntu?

    - by Roland Taylor
    This question exists because it has historical significance, but it is not considered a good, on-topic question for this site, so please do not use it as evidence that you can ask similar questions here. See the FAQ for more information. This is a community wiki for IDEs available on Ubuntu. Please post one IDE per answer (including more than just a screenshot or a link, please at least put a short description). In your answer, tell us what the IDE is for (which language(s) or if it is RAD capable).

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  • How Did we get from CLI to Graphics?

    - by Nathaniel Bennett
    I'm confused when looking into graphics - specifically with operating systems. I mean, how can a computer render a CLI/console along with a GUI. GUI's are completely different from Text. and How Can we have GUI windows that Display Text interfaces, ie how can we have CLI in modern Graphics Operating system - that's what I'm mainly trying to grip on to. How Do Graphic's get rendered to display? is there some sort of memory address that a GPU access which holds all pixel data, and there system's within OS's that Gather the pixel position of Windows and Widgets, along with the Z Index and rasterize them to that memory address, which then the GPU loads to the screen? How About the CLI's integrated with Graphics? how does the OS Tell the GPU that a certain part of the screen wants to display text while the rest, whats to display pixel data? it's all very confusing. Shed some light in it, will ya?

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  • How can a computer render a CLI/console along with a GUI?

    - by Nathaniel Bennett
    I'm confused when looking into graphics - specifically with operating systems. I mean, how can a computer render a CLI/console along with a GUI? GUI's are completely different from text. And how can we have GUI windows that display text interfaces, ie how can we have CLI in modern Graphics Operating system - that's what I'm mainly trying to grip on to. How does graphics get rendered to display? Is there some sort of memory address that a GPU access which holds all pixel data, and there system's within OS's that gather the pixel position of windows and widgets, along with the Z Index and rasterize them to that memory address, which then the GPU loads to the screen? How about the CLI's integrated with Graphics? How does the OS tell the GPU that a certain part of the screen wants to display text while the rest wants to display pixel data?

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  • What Extends JComponent?

    - by Geertjan
    Let NetBeans IDE tell you what extends JComponent: Thanks to Damian from Gdansk in Poland who left a comment in this blog yesterday that explains how to achieve the above: "Let's say you would like to find all implementations of TreeModel interface. I found today an answer: r-click on class/interface -> chose Navigate->Inspect Hierarchy->select second filter at the bottom of opened window or press Alt+Shift+F12 and then Alt+B." In the list above, double-click an item to open it in the NetBeans Java editor. Handy tip, dziekuje bardzo, Damian.

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  • How are you using CFThread in ColdFusion Applications?

    - by marc esher
    I'm presenting on Concurrency in ColdFusion at CFObjective this year, and I'd like to hear how you're using CFThread in your ColdFusion applications. In addition, what problems have you had while using it, and how (if at all) have you solved them? What do you dislike about CFThread? Have you run into significant weaknesses with CFThread or other problems where it simply could not do what you wanted to do? Finally, if there's anything you'd like to add related to concurrency in CF, not specifically related to CFThread, please do tell.

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  • Checking whether php script was resolved by optimal way

    - by user2135931
    Can anybody give some advise how to check the arbitrary php code on optimal solution. For example I create a simple algorithm and sent it on the special resource. After proccessing my algorithm this resource give me result whether my code is nice. If no it give me some advice and tell what is wrong (maybe I forgot check devision by zero etc). I looked for php code analyzer but could't find any variants. Maybe someone give me a resource where I can research this problem. Thanks in advance!

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  • ralink rt2860 not working anymore in ubuntu 12.10

    - by greenit
    I just upgraded from Ubuntu 12.04 to 12.10, however, my network card is not working anymore... When i had 12.04 installed, i just had to download the driver from Ralink, go to the directory and enter these commands: $ make $ sudo make install and the network card worked... now, when I want to do this in ubuntu 12.10, it seems like it works, but it doesn't. I can enable the module, it recognizes the network card, but i am unable to connect to any wireless network... How can i get my wireless card working again? If any1 knows a solution, please tell it to me, thx in advance

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  • Application layer vs domain layer?

    - by Louis Rhys
    I am reading Domain-Driven Design by Evans and I am at the part discussing the layered architecture. I just realized that application and domain layers are different and should be separate. In the project I am working on, they are kind of blended and I can't tell the difference until I read the book (and I can't say it's very clear to me now), really. My questions, since both of them concerns the logic of the application and are supposed to be clean of technical and presentation aspects, what are the advantages of drawing a boundary these two?

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  • Getting started with ClojureScript and Google Closure

    - by Andrea
    I would like to investigate whether ClojureScript, with the associated Google Closure library is a reasonable tool to build modern, in-browser, Javascript applications. My current Javascript stack consists of jQuery, Backbone and RequireJS with the possible additions of some widgets libraries like jQueryUI or KendoUI. So it will be quite a big leap (I already know how to work in Clojure, although I have little experience). What is a good roadmap to do so? Should I learn the Google Closure library first, or can I grasp it together with ClojureScript? One thing I am concerned about is the overall application structure. Backbone is rather opinionated on how to organize your application. I am not sure whether Google Closure also includes some components to help with the design of the application. And, if this is the case, I do not know how to tell whether this structure will port to ClojureScript or a ClojureScript application will require a different organization anyway, and only use - say - the widgets and DOM manipulation features of Closure.

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