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  • Can't add more than eight keyboard layouts

    - by Woofi Alakhi
    I read this article where is a workaround to add maximum eight keyboard layouts. But my questions are: I would like to try this, but I see they've written there something with "gnome" in the script. In my Ubuntu, 13.04, I have Unity. What do I do? I would have to do this for four x four keyboard layouts (to have 13 keyboard layouts). This script, however, is designed for two x four keyboard layouts. How do I get the four x four? I would really appreciate your tips and hints on this. And I would kindly ask you to keep it simple, if possible, because I'm really no expert in both Ubuntu and computers in general.

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  • Tips on googling for sugar

    - by Mikey
    I have a question up on SO I am a little embarassed I can't just google: http://stackoverflow.com/questions/13734664/groovy-variables-in-method-names-with-double-question-marks The problem is google seems to chuck any terms that are just punctuation, so queries like these: .findBy?? .and?? groovy '??' Are coming out the same as these: findBy and groovy I have had this problem before when I didn't know the name of the elvis operator, and countless other times (probably happened first time I saw an infix '%' mod too if I had to guess). Is there a resource for syntax sugar lookups? Some way to force google or a different search engine to not ignore my funky punctuation?

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  • The Oracle Database Appliance: How to Sell a Unique Product Webcast

    - by Cinzia Mascanzoni
    Due to the great success of our webcast on "The Oracle Database Appliance - How to sell a unique product!" held on April 12th, we are going to conduct a recast live on April 19th at 10:00 CET, a learning opportunity for those who missed it. Join us to learn about: ODA Benefits: Fast, Easy, Cost Efficient, Highly Reliable Feedback from early Customer Wins: What can we Learn? Objection Handling: Overcoming the most common customer questions Going beyond the Database: The ODA ECO System for applications, backup & more  When combined with your high-value services (e.g., migration, consolidation), the end result is a database system that you can use to grow the business in your existing accounts, or capture new business. Click here to register to this webcast.

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  • Why don't more games use vector art?

    - by Parris
    It would seem to me that vector art is more efficient in terms of resources/scalability; however, in most cases I have seen artists using bitmap/rasterized art. Is this a limitation put on the artists by the game programmers/designers? As a programmer I think vector art would be more ideal, since it allows for scaling up resolution without having to recreate the art, creating really large graphics or causing graphics to become blurry. The questions: why aren't more people using SVG/AI to create 2D game art? Would it actually be preferred (and who prefers it)? Are bitmap graphics a standard or a limitation (or maybe neither)? Background: I am working on an engine, and I had some kinda cool ideas for vector based graphics; however, I don't want to piss off artists in the future. I guess this is more a question centered around pragmatism and developing games.

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  • How to customize the gnome classic panel

    - by Luis Alvarado
    First the picture: As you can see in the image, the color used for the icons and words Applications and Places (In spanish in this case) they have a different background dark gray color than the rest of the panel. Also the icons look rather bigger in that panel. Now my questions are: Can the background colors be customized so they look the same all the way in the panel. Can the icons be somehow minimized a little so they do not look strange (bigger actually) How to edit the way to add icons to the panel. I have to actually have to press the ALT key then right click on it to add something. That extra key is not friendly at all. In this particular case am trying to help an older man start in Ubuntu. Unity is too much for him but Gnome is friendlier for him (Learning curve is not the best for older people.. specially 68+ year old people).

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  • Impact of Truncate or Drop Table When Flashback Database is Enabled

    - by alejandro.vargas
    Recently I was working on a VLDB on the implementation of a disaster recovery environment configured with data guard physical standby and fast start failover. One of the questions that come up was about the overhead of truncating and dropping tables. There are daily jobs on the database that truncate extremely large partitions, and as note 565535.1 explains, we knew there is an overhead for these operations. But the information on the note was not clear enough, we the additional information I've got from Senior Oracle colleagues I did compile this document "Impact of Truncate or Drop Table When Flashback Database is Enabled" that further explain the case

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  • Fonts look horrible in any java application

    - by Eirik Berg
    All fonts in java applications look horrible. I have seen a few questions about this previously, but they are quite old now(11.04 was the most recent, but that didn't seem to be the same problem). For some reason java applications do not use the system font (Ubuntu 11), but rather some elongated font that doesn't seem to have any anti-aliasing. So what I'm asking is if this is an open bug(couldn't find any on launchpad), something the developers have done wrong, or if there is a way to configure the fonts used in java application. Perhaps this is just a shortcoming of openjdk and I should install the Sun version instead? Attached an image showing jitsi, but the problem is also present in minecraft, my internet-bank and anything else involving java. I'm on 12.04, but since I couldn't find anything on launchpad I'm assuming that isn't relevant. Edit: actually managed to forget the picture... Thanks!

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  • Send arbitrary commands to modem for info

    - by mydoghasworms
    I have a USB 3G data card and modem. According to the supplier, to check the data balance on the account, I must dial a number like *89# (or whatever) from the handset. The device appears as a ppp0 interface in my network devices. How does one go about issuing commands to the modem to send the commands and receive back the information? UPDATE: OK, I found some help here: http://www.linuxquestions.org/questions/linux-hardware-18/sending-at-commands-to-a-sms-modem-372445/, but firstly, there are 3 ttyUSB devices on my system, and I assume that one of them is the 3G modem, but how can I tell? Secondly, trying to echo something to two of them says that the device is busy, which stands to reason, because I am using it to connect to the internet. Some help, please?

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  • Flash game size and distribution between asset types

    - by EyeSeeEm
    I am currently developing a Flash game and am planning on a large amount of graphics and audio assets, which has led to some questions about Flash game size. By looking at some of the popular games on NG, there seem to be many in the 5-10Mb and a few in the 10-25Mb range. I was wondering if anyone knew of other notable large-scale games and what their sizes were, and if there have been any cases of games being disadvantaged because of their size. What is a common distribution of game size between code, graphics and audio? I know this can vary strongly, but I would like to hear your thoughts on an average case for a high-quality game.

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  • At Collaborate 10 Next Week

    - by shay.shmeltzer
    I'm going to be at the Collaborate 10 conference next week doing a couple of sessions and hanging out in the JDeveloper booth at the demoground. My sessions are on Monday morning back to back: Developing Cutting Edge Web UI for Enterprise Applications - The Easy Way Monday, April 19 10:45 am - 11:45 am 401 The Fusion Development Experience Monday, April 19 12:00 pm - 12:30 pm 404 The first session will also be available for those watching the conference over the Web. If you want to see how Fusion applications are being built, and how you can use the same approach to do custom development for your applications, or create rich UIs for your applications then these would be good sessions to see. I'll also be doing shifts in the demo ground in a JDeveloper/ADF booth - so if you have any questions, complaints, or suggestions - or if you just want to understand what is this thing good for - come on over and we'll talk.

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  • Where can I safely learn about computer security?

    - by Ammar Ahmed
    I find it really hard to find resources about computer security. I asked questions on message boards about key loggers and viruses and I got negative assumption from people assuming the the worse. Also, I don't think that I can trust random message boards. I know that it is a broad topic, but are there any good websites that I can follow and learn from that are targeted to beginner with some samples? I am a developer (or at least want to be one) and I have a CS degree if that helps.

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  • Toutes les semaines un peu de code pour aller plus loin avec Windows 7, l'accélération matérielle

    En cette fin d'année, la communauté de Developpez.com s'est alliée avec Microsoft France pour relayer une série de questions / réponses sur le développement Windows 7. A partir d'aujourd'hui, nous poserons une question chaque lundi sur une fonctionnalité propre au développement d'applications Windows 7. La bonne réponse de la question de la semaine sera ensuite dévoilée la semaine suivante avec un exemple de mise en pratique. Pour commencer cette série, nous vous proposons déjà une première question sur la recherche fédérée avec sa réponse comme exemple : Quelle fonctionnalité sous Windows 7 permet de rechercher sous plusieurs sources de données e...

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  • What are best practices when giving a presentation to programmers?

    - by blunders
    I've watched 50 plus presentations on programming topics, although most have been online; example, Google Tech Talks -- and have ad-hoc experience on what formats work for programmers, or practices to take into account when presenting to a group of programmers. That said, I'm open to any suggestions, but here's some topic of the top of my head: Programming Jokes, Images, etc. Posting Code for download Contact Info Collecting feedback Presenting Code on Screen If it matters, in this case -- I'm giving a presentation on using a scripting language to extract, transform and load data to a local user group who's focus is the scripting language; Ruby in this case. Questions, feedback, requests -- just comment, thanks!!

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  • RenderTarget2D behavior in XNA

    - by Utkarsh Sinha
    I've been dabbling with XNA for a couple of days now. This chunk of code doesn't work as I expect. The goal is to render sprites individually and composite them on another rendertarget. P = RenderTarget2D(with RenderTargetUsage.PreserveContents) D = RenderTarget2D(with RenderTargetUsage.DiscardContents) for all sprites: graphicsDevice.SetRenderTarget(D); <draw sprite i> graphicsDevice.SetRenderTarget(P); <Draw D> graphicsDevice.SetRenderTarget(null); <Draw P> The result I get is - only the last sprite is visible. I'm sure I'm missing some piece of information about RenderTarget2D. Any hints on what that might be? Cross posted from - http://stackoverflow.com/questions/9970349/weird-rendertarget2d-behaviour

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  • 12.04 Ubuntu studio PREEMPT_RT kernel options

    - by Nate Iverson
    My audio processing needs require a preempt_rt kernel. I roughly followed the guide: https://wiki.ubuntu.com/KernelTeam/GitKernelBuild with a little help from: https://rt.wiki.kernel.org/index.php/RT_PREEMPT_HOWTO Currently I am using the 3.4 branch (which is the most recent at the time of this post): http://www.kernel.org/pub/linux/kernel/projects/rt/ I think I have a reasonable kernel config ( for my machine at least ). Multiple trials confirm I need the option: CONFIG_PREEMPT_RT_FULL=y I have the following questions: Is anyone maintaining a recent CONFIG_PREEMPT_RT_FULL kernel in a ppa? Is there any interest in providing a CONFIG_PREEMPT_RT_FULL in the official ubuntu-studio distribution? Does anyone have recent config pointers for a CONFIG_PREEMPT_RT_FULL kernel?

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  • setting globals in html or body [migrated]

    - by paul smith
    I have some questions regarding the following css that I found: html, body { height:100%; min-width:100%; position:absolute; } html { background: none repeat scroll 0 0 #fff; color:#fff; font-family:arial,helvetica,sans-serif; font-size:15px; } is it necessary to have height and min-width to 100% on the html and body? What's the benefit? what is the reason for using position absolute? why did they set the background/color/font on the html and not the body? Is there a difference? Or is it just preference?

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  • I need to develop a parser. Can I use Lex and Yacc for the purpose?

    - by Scrooge
    I need to extract very particular data from log files(of different types and formats). Since I am a recent college passout; my mind ran to using Lex and Yacc for the purpose. Now I have the following Questions 1. Will it be legal to do so ? (This product I am working for belongs to one of the biggest tech companies in the world.) 2. Also ; I would like to know if I am being too afraid to write my own parser? 3. How can I use Lex and Yacc if my product is Windows based? Please tell me if you need any clarification or extra information.

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  • Does seeding torrents affect the harddisk RAM caching?

    - by satuon
    I've downloaded a lot of torrent files and while I'm seeding them, I've noticed that very often when I start the browser it's slow and the hard disk activity indicator is on. Usually when I start a program it gets cached in RAM and starting it again is very quick, and I have 3 GB of RAM so usually it stays cached nearly forever. But when my torrent client is seeding it seems that after an hour programs that I ran are no longer cached in RAM. I was thinking maybe it's because of the disk reads which the torrent client performs are cached and fill up RAM eventually. But I don't think they need to be, as they are read only once and are unlikely to be read again soon. So my questions are - is this the way I think, and if so is it possible in principle to prevent the disk reads from being cached? I can try to edit the source code of the program.

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  • Five new junior developers and lots of complex tasks. What's now?

    - by mxe
    Our company has hired five new junior developers to help me to developer our product. Unfortunately the new features and incoming bug fixes usually require deeper knowledge than a recently graduated developer usually has (threading/concurrency, debugging performance bottlenecks in a complex system, etc.) Delegating (and planning) tasks which they (probably) can solve, answering their questions, mentoring/managing them, reviewing their code use up all of my time and I often feel that I could solve the issues less time than the whole delegating process takes (counting only my time). In addition I don't have time to solve the tasks which require deeper system knowledge/more advanced skills and it does not seem that it will change in the near future. So, what's now? What should I do to use their and my time effectively?

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  • How to impove Ubuntu performance on netbook

    - by Alexey Shytikov
    Most recent Ubuntu 12.04 seems to be quite nice and Unity (3D/2D) works fine for me, however not on my old Acer Aspire One any more. There was a times, when I switched from Windows XP to Ubuntu and was happy about system looks, effects and speed... now I attend to think that XP was really great comparing with 12.04. I have found similar questions here but no reasonable answer: how to lower CPU usage for Unity (3D/2D) and memory consumption for Ubuntu 12.04. With new interface I could not find how to disable background services... It's Linux, it's should be the way to optimize without buying new PC... Please share your recipe!

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  • Good php editor

    - by Web Developer
    i have seen through other questions on the topic but most are a bit old. I looking for a good editor for developing on PHP in Linux(ubuntu). Here is my requirements Basic editor features Free Light-Weight Syntax highlighting Code Folding (class,function,if/else/while/foreach block) Code completion Invalid Syntax/Error highlighting as you type Auto code intending Snippet support(pieces of custom or language specific codes that i can insert) Extendable support It would be great if it had the following Debugging support WYSIWYG Code formatting Framework support(cakephp/yii/zend/smarty) Testing support Todo Native look and feel(Gnome) Flex/ROR support is welcome but not a requirement Mysql support I have tried the following editors Netbeans - it bloated, resource hogging and doesnt not have a native look and feel. Eclipse is okay but i cant fold if/while blocks and slow. Gedit can be extended and i have tried it but still i could not fold code or show error. I currently use Geany but it doesn't inform me of syntax errors as i type. If you have ways to solve the problems with above editors they too are also welcome

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  • Developing and Enforcing a BYOD Policy

    - by Darin Pendergraft
    On October 23, SANS released Part 1 of their Mobile Access Policy Survey (webcast link) and Part 2 was presented on October 25th (webcast link). Join us this Thursday, November 15th as SANS and Oracle present a follow up webcast that will review the survey findings and present guidance on how to create a mobile access policy for employee owned devices, and how to enforce it using Oracle IDM. Click this link to register: Developing and Enforcing a BYOD Policy This will be an excellent opportunity to get the latest updates on how organizations are handling BYOD policies and managing mobile access. We will have 3 speakers: Tony DeLaGrange a Security Expert from Secure Ideas will review the main findings of the SANS Mobile Access Survey Ben Wright, a SANS instructor, attorney and technology law expert will present guidance on how to create BYOD policy Lee Howarth from Oracle Product Managment will review IDM techology that can be used to support and enforce BYOD policies. Join us Thursday to hear about best practices and to get your BYOD questions answered. 

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  • Is there any difference between storing textures and baked lighting for environment meshes?

    - by Ben Hymers
    I assume that when texturing environments, one or several textures will be used, and the UVs of the environment geometry will likely overlap on these textures, so that e.g. a tiling brick texture can be used by many parts of the environment, rather than UV unwrapping the entire thing, and having several areas of the texture be identical. If my assumption is wrong, please let me know! Now, when thinking about baking lighting, clearly this can't be done the same way - lighting in general will be unique to every face so the environment must be UV unwrapped without overlap, and lighting must be baked onto unique areas of one or several textures, to give each surface its own texture space to store its lighting. My questions are: Have I got this wrong? If so, how? Isn't baking lighting going to use a lot of texture space? Will the geometry need two UV sets, one used for the colour/normal texture and one for the lighting texture? Anything else you'd like to add? :)

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  • Teaching programming to a non-CS graduate

    - by Shahzada
    I have a couple of friends interested in computer programming, but they're non-CS graduates; some of them have very little experience in software testing field (some of them took some basic software testing courses). I am going to be working with them on teaching basic computer programming, and computer science fundamentals (data structures etc). My questions are; What language should I start with? What are essential computer science topics that I should cover before jumping them into computer programming? What readings can I incorporate to make the topic interesting and non-overwhelming? If we want to spend a year on it, what topics should take priority and must be covered in 12 months? Again, these are non computer science folks, and I want to keep the learning as much fun as possible. Thanks everyone.

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  • What's wrong with JavaScript

    - by ts01
    There is a lot of buzz around Dart recently, often questioning Google motivations and utility of Dart as replacement for JavaScript. I was searching for rationale of creating Dart rather than investing more effort in ECMAScript. In well known leaked mail its author is saying that Javascript has historical baggage that cannot be solved without a clean break. But there is only one concrete example given (apart of performance concerns) of "fundamental language problems", which is an existence of a single Number primitive So, my questions are: How an existence of a single Number primitive can be a "fundamental problem"? Are there other known "fundamental problems" in JavaScript?

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