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  • In 12.04 LTS, I get "No DBus" errors when running things as root

    - by Seann
    While attempting to run gEdit as root from a terminal window (was trying to do some tweaking on my HOSTS and FSTAB files), I get a message saying "No DBus connection available" and get booted back to the prompt. However, I can run Nautilus from the prompt like that (still get the error, but it runs all the same), and use WINE and NOTEPAD, and was able to make my changes. I thought maybe DBUS was missing, but APT says it's installed and gEdit runs fine when not elevated. Granted, I don't have to elevate often, but on the off-chance I do, (like adding or changing SMB/CIFS mountpoints in FSTAB), I would like to use gEdit, not NOTEPAD from WINE, and not in a terminal window with VI (well VIM). Ideas? Solutions?

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  • 'Situations gone wrong' for web apps...

    - by AvgJoe007
    Hi all I know there's some decent material floating around relating to more specific areas, but wanted to get some opinions from people who have had bad experiences in the past. I have a project where I can have a say on the design of a B2C web app, which has some external API interfaces. UX is crucial as is speed. Not sure what technology will be used at this stage. In designing this application, I want to make sure obvious features are not left out (i.e. ones that make maintenance/development easier). So can you guys tell me about 'situations gone wrong' that could have been avoided had more consideration taken place? Am looking to gather feedback in general, so don't worry if your example is industry/technology specific - so long as it pertains to web. Thanks for reading, I look forward to your responses!

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  • Spotlight on GlassFish 4.1: #6 Java API for WebSocket 1.1

    - by delabassee
    'Spotlight on GlassFish 4.1' is a series of posts that highlights specific enhancements of the upcoming GlassFish 4.1 release. It could be a new feature, a fix, a behavior change, a tip, etc. #6 Java API for WebSocket 1.1 JSR 356 (Java API for WebSocket) has recently passed the Maintenance Release ballot, this Maintenance Release fixes an important issue when Java SE 8 Lambdas are used (see here). GlassFish 4.1 will include an updated version of Tyrus (JSR 356 Reference Implementation) to bring the WebSocket API level to the latest version of the specification, i.e. WebSocket API for Java 1.1. It should be mentioned that the Tyrus version included in GlassFish 4.1 also brings additional features. Some of those will be highlighted in upcoming entries. https://blogs.oracle.com/theaquarium/resource/websocket_logo.png

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  • Recommended Reading for Polishing JavaScript coding style?

    - by wml653
    I've been coding in JavaScript for a while now and am fairly familiar with some of the more advanced coding features of the language (closures, self-executing functions, etc). So my question is, what advanced books/blogs/or anything else would be recommended to help tighten up my coding style? For example, recently I was coding something similar to: var x = ['a', 'b', 'c']; var exists = false; for(var i = 0; i < x.length; i++){ exists = x[i] === 'b' ? true : exists; } But found that the following condensed code would work better: var y = {'a':'', 'b':'', 'c':''}; var exists = 'b' in y; Both store the same value in 'exists', but the second is less common, but much cleaner. Any suggestions for where I should go to learn more tricks like this?

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  • AutoVue 20.0.x End of Oracle Premier Support

    - by GrahamOracle
    As per Oracle’s Lifetime Support policy, AutoVue version 20.0.x reached the end of Premier Support on March 1st 2012, and entered Sustaining Support. Customers are recommended to upgrade to the latest & greatest (AutoVue 20.2.0) at the earliest opportunity, to take advantage not only of a new 5-year Premier Support term, but also all of the fixes, new features, and new format support as compared to version 20.0.x.For more information on Oracle’s Lifetime Support policy, visit http://www.oracle.com/us/support/lifetime-support/lifetime-support-software-342730.html and click on the link titled “Lifetime Support Policy: Oracle Applications (PDF)”.

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  • Where did my hard drive go?

    - by Mike Carron
    I installed XBMCbuntu 11.0 to my Zotac Zbox AD03 with an OCZ Reflex 4 256gb SSK. The install worked fine and I was getting accustomed to the appearance and operation. When I attempted to boot from power-off the BIOS could no longer find the SSD. It refused to boot and when I checked in the BIOS, the SSD was missing from the boot list (it was there prior to the install). I rebooted from the install CD but when the system started it could not find the SSD. I replaced the SSD with a fresh one of the same type and reinstalled XBMCbuntu. This time I rebooted from the system several times successfully but when I shut it down and tried to cold boot, this drive was also gone. Does the installation do something strange to the boot record that could cause a BIOS to lose it? How do I fix this? mike

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  • Game Patching Mac/PC

    - by Centurion Games
    Just wondering what types of solutions are available to handle patching of PC/Mac games that don't have any sort of auto updater built into them. In windows do you just spin off some sort of new install shield for the game that includes the updated files, hope you can read a valid registry key to point to the right directory, and overwrite files? If so how does that translate over to Mac where the game is normally just distributed as straight up .app file? Is there a better approach than the above for an already released product? (Assuming direct sells, and not through a marketplace that features auto-updating like Steam.) Are there any off the shelf auto-updater type libraries that could also be easily integrated with a C/C++ code base even after a game has been shipped to make this a lot simpler, and that are cross platform? Also how do auto-updaters work with new OS's that want applications and files digitally signed?

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  • Services or Shared Libraries?

    - by Royal
    I work in an environment where we have several different web applications, where each of them have different features but still need to do similar things: authentication, read from common data sources, store common data, etc. Is it better to build the shared functionality into a set of services, to be called by the web apps, or is it better to make a shared library, which the webapps include? The services or libraries would need to access various databases, and it seems like keeping that access in a single place (service) is a good idea. It would also reduce the number of database connections needed. A service would also keep the logic in a single place, but then it could be argued that a shared library can do the same thing. Are there other benefits to be gained from using services over shared libraries?

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  • Where can I find the supported way to deploy hadoop on precise?

    - by Jeff McCarrell
    I want to set up a small (6 node) hadoop/hive/pig cluster. I see the work in the juju space on charms; however, the current status of deploying a single charm per node will not work for me. I see ServerTeam Hadoop which talks about re-packaging the bigtop packages. The cloudera CDH3 installation guide talks about Maverick and Lucid, but not precise. What am I missing? Is there a straight forward way to deploy hadoop/hive/pig on 6 nodes that does not involve building from tarballs?

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  • Is there a graphical way of installing fonts in 11.10/Gnome 3

    - by appi2012
    When testing 11.10, I wanted to install some fonts. However, it seems that I cannot simply double click a font file to install it. I've tried searching google, but I haven't found anything that says the gnome3 can't do this. Is this going to be addressed? Is there a way I can install new fonts easily? (I know of the manual copying of the fonts to /usr/share/fonts/, but I'm just curious if there is something easier I've been missing.) Thanks

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  • How should I organise classes for a space simulator?

    - by Peteyslatts
    I have pretty much taught myself everything I know about programming, so while I know how to teach myself (books, internet and reading API's), I'm finding that there hasn't been a whole lot in the way of good programming. I am finishing up learning the basics of XNA and I want to create a space simulator to test my knowledge. This isn't a full scale simulator, but just something that covers everything I learned. It's also going to be modular so I can build on it, after I get the basics down. One of the early features I want to implement is AI. And I want to take this into account as I'm designing my classes so I can minimize rewriting code. So my question: How should I design ship classes so that both the player and AI can use them? The only idea I have so far is: Create a ship class that contains stats, models, textures, collision data etc. The player and AI would then have the data for position, rotation, health, etc and would base their status off of the ship stats.

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  • How to get rid of 'grub rescue'?

    - by SaM
    While logged into Windows, I deleted a disk partition which was containing Ubuntu. When I restarted my pc, it is showing 'grub rescue' command prompt. How to boot windows now? I no longer require Ubuntu. I have Ubuntu live CD When I tried the following commend: sudo apt-get install lilo the following error is shown: Err http://archive.ubuntu.com/ubuntu/ natty/main lilo i386 1:22.8-10ubuntu1 404 Not Found [IP: 91.189.92.156 80] Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/l/lilo/lilo_22.8-10ubuntu1_i386.deb 404 Not Found [IP: 91.189.92.156 80] E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

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  • MAMP Pro Installed On Mavericks 10.9

    - by cnps
    I have MAMP Pro Installed. I'm well aware with the advanced features of MAMP Pro I can change to different types of Hosts, but I wanted to know why my previous method would not work within mavericks. This was my usual working method in 10.8, but now with 10.9 it's a headache. The previous method would: Write a custom address with the host address: "#Virtual Hosts" 127.0.0.1 nameofsite.local go to /Applications/MAMP/conf/apache and open the httpd.conf file, scroll to the bottom and then add NameVirtualHost * DocumentRoot "/Applications/MAMP/htdocs" ServerName localhost DocumentRoot "/Users/Klimt/Sites/siteoffolder" ServerName clientA.local make sure the ports is set to 80, 443, 3306. reset MAMP PRO and then usually type in the url address and it's gold from there. any help?

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  • Unified Communications Suite Ships New Version

    - by joesciallo
    We shipped the latest version (7.0.5.0.0) of Unified Communications Suite. The following information should get you started: Get the Software New Features Release Notes Some Changes for 7.0.5.0.0 Convergence: Version 3.0.0.0.0 enables you to use the add-on framework to add third-party services to the Convergence UI. These services include: Advertising Click-to-call service Multinetwork IM SMS (both one-way and two-way) Social media applications (Facebook, Twitter, and Flickr) Video and voice calling capability For more information, see Overview of Add-on Services in Convergence. Calendar Server: Version 7.0.4.14.0 provides a number of security enhancements, including supporting the SSL protocol for all front-end and back-end communications, and the ability to list hosts that are allowed to send iSchedule POST requests. For more information, see Securing Communications to Calendar Server Back Ends. New Platform Support: Oracle GlassFish Server 3, Oracle Solaris 11, and Oracle Enterprise Linux 6.x are supported in this release of Communications Suite.

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  • Android, OpenGL and extending GLSurfaceView?

    - by Spoon Thumb
    This question is part-technical, part-meta, part-subjective and very specific: I'm an indie game dev working on android, and for the past 6 months I've struggled and finally succeeded in making my own 3D game app for android. So I thought I'd hop on SO and help out others struggling with android and openGL-ES However, the vast majority of questions relate to extending GLSurfaceView. I made my whole app without extending GLSurfaceView (and it runs fine). I can't see any reason at all to extend GLSurfaceView for the majority of questions I come across. Worse, the android documentation implies that you ought to, but gives no detailed explaination of why or what the pros/cons are vs not extending and doing everything through implementing your own GLSurfaceView.Renderer as I did Still, the sheer volume of questions where the problem is purely to do with extending GLSurfaceView is making me wonder whether actually there is some really good reason for doing it that way vs the way I've been doing it (and suggesting in my answers to others to do). So, is there something I'm missing? Should I stop answering questions in the meantime? Android openGL documentation

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  • Where is the Accessibility mouse click lock?

    - by user10133
    I've been a user of Linux on the desktop off and on again over the years. I very nearly switched my primary computer to Ubuntu prior to the release of Windows 7. There were a few, but significant issues at the time that prevented wholesale adoption, mostly tethering with my phone and lousy VPN Client. One key component I could count on was the Accessibility features. I have recently installed Ubuntu 10.10 and am considering giving it another try, but it appears Ubuntu has taken a leap backwards in that it no longer has a click lock feature for the mouse. Basically I need the ability to press and hold the left button to trigger a locking of the button so I can move the mouse by way of a trackpoint with my prosthesis. I absolutely require this feature and it is a deal breaker if it won't work. I've tried the Dwell keys but this is a chaotic control at best. I've never been able to manage a drag of any kind.

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  • Oracle Solaris 11 Cheat Sheet

    - by Markus Weber
    Need to quickly know, or be reminded about, how to create network configuration profiles in Oracle Solaris 11 ?How to configure VLANS ?How to manipulate Zones ?How to use ZFS shadow migration ? To have those answers, and many more, neatly in front of you, we created this cheat sheet (pdf). Originally developed by Joerg Moellenkamp, the author of the very popular blog c0t0d0s0.org, and of the "Less Known Solaris Features", some more people at Oracle jumped in and added more and more very useful commands to it. And it may keep evolving, so keep checking ! The link to it can also be found on our new Oracle Solaris Evaluation page.

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  • Why make the login page to a single page application a separate page?

    - by ryanzec
    I am wondering why it seems to be popular to have the login page of a SPA be a separate page that is not page of the SPA (as in loaded and send data through ajax requests)? I only thing I can think of is security but I can't think a specific security reason. I mean the only thing that come to mind is that if your login page in part of the SPA, it sends the username/password through ajax which can be seen by such tools like firebug or web inspector however even if you send it as a normal POST request, there are other tools that can easily capture this data (like fiddler, httpscoop, etc...). Is there something I am missing?

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  • AS3 Calculating Delta Time In Seconds

    - by user1133079
    Here is how I've been trying to implement delta time based on different internet resources. var startTime:Number = getTimer(); game.Update(deltaTime); deltaTime = Number(getTimer() - startTime) * 0.001; My issue with this is it doesn't seem to be giving me accurate timing. The main update shows the frame time at 0.001 and when reinitializing the level it goes to 0.002. I'm using dt else where for a timer and later on time based physics so I would like it to work as expected. I must be missing something silly.

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  • What functional language is most suited to create games with?

    - by Ricket
    I have had my eye on functional programming languages for a while, but am hesitating to actually get into them. But I think it's about time I at least starting glancing that direction to make sure I'm ready for anything. I've seen talk of Haskell, F#, Scala, and so on. But I have no clue the differences between the languages and their communities, nor do I particularly care; except in the context of game development. So, from a game development standpoint, which functional programming language has the most features suited for game programming? For example, are there any functional game development libraries/engines/frameworks or graphics engines for functional languages? Is there a language that handles certain data structures which are commonly used in game development better? Bottom line: what functional programming language is best for functional game programming, and why? I believe/hope this question will declare a clear best language therefore I haven't marked it CW despite its subjective tendency.

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  • AutoVue 20.2.1 for Agile Released

    - by Angus Graham
    Oracle's AutoVue 20.2.1 for Agile PLM is now available on Oracle's Software Delivery Cloud.  This latest release allows Agile PLM customers to take advantage of new AutoVue 20.2.1 features in the following Agile PLM environments:  9.3.x, 9.2.2.x, 9.2.1.x. AutoVue 20.2.1 delivers improvements in the following areas: New Format Support: AutoVue 20.2 adds support for the latest versions of popular file formats including: 2D CAD: AutoCAD 2013 MCAD: Inventor 2013, AutoCAD Mechanical 2013, Unigraphics NX8, JT 9.2 through 9.5, CATIA v5-6 R2012, Creo Parametric 2.0 ECAD: Altium Designer New Platform Support:  Client and server support has been extended to the following platforms: Java 7 JVM Google Chrome Browser Oracle VM 2 virtualization environment Installer Improvements: Ensures ports used by AutoVue are not in use - if they are, the admin will be prompted to select alternate ports. Click here to access the latest AutoVue Format Support Sheet.

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  • Can I run Ubuntu Live from a USB flash-drive without destroying the data on it?

    - by Lucian
    I already have a number of files on a flash drive (8 gb) that I would prefer to keep, but I would like to try Ubuntu even if merely for the aesthetics. I use Windows XP. I know that it's definitely possible to run Ubuntu from a bootable drive like my flash drive to try Ubuntu but I would much rather keep my files intact not only on my flash drive but also my hard drive, if that's possible. I also want to know if it's entirely possible that while running Ubuntu from the USB if I can switch back to Windows while my computer is still on. If I'm missing something, please let me know. I'm very grateful for any assistance in this matter.

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  • Scrollbars: A Retrospective

    - by Jason Fitzpatrick
    It’s easy to overlook the humble scrollbar, a much used but hardly thought about user interface element. This graphic compares scrollbars over the last thirty years. Some of the more modern Windows incarnations are missing but, on account of the Vista/Windows 7 scrollbar looking pretty much like a gray version of the XP one, we’ll forgive them. A full resolution version of the image is available at the link below. Scollbars Through History [via Geeks Are Sexy] How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7

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  • The best AutoCAD 2010 Ubuntu alternative?

    - by onvas
    I'm looking for the best AutoCAD 2010 alternative for Ubuntu. Wine's support for the 2010 version isn't polished so I'm looking for Linux based similar programs. I know that this can be subjective so I'd like to know what's the best Ubuntu alternative which has the most similar, and significant features as that of AutoCAD 2010? I'm not familiar with the program because I'm researching this for my sister who is studying Aeronautical Engineering. Any help is appreciated. I'm using 12.04 64-bit on my ThinkPad R61i with 3.8GB memory and 160GB hard drive.

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  • power manger keeps on shuting down the display even when i state in the power manger to never do that.

    - by david25
    i'm probably missing something here, i'm using the default ubuntu power manger, i setup it like that: on AC: no screen dimming when ideal. never put computer to sleep. never put display to sleep. on battery i kept the default setting. and still ubuntu does what ever it likes :\ , after 15 min it puts the display to sleep. any one having the same problem and found a way to bypass it? im using eee pc with ubuntu 10.10 desktop.

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