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  • Is programming too easy if compared to other fields?

    - by Shashank jain
    I have been programming since some years and I won't say its a piece of cake but in this field, you know how to do things. You can always google up resources, tutorials. There are tons of already written code to help you with - frameworks, libraries but if you compare it to other innovation fields like "Electronics". Its not too easy to get started with, the community might not be too large on the internet, getting the things right plus lets not forget there is nothing to tell you where the error might be. I have wanted many times but not be able to get into, like, building some kind of robot because I don't know how to start. So my question is that, does programming tends to be easy compared rest of the fields or is it just my intrest that makes it easy?

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  • Ubuntu took away permissions from my Data partition

    - by RobinJ
    The pangolin has struck again. The bug of the day for today is Ubuntu taking away my permissions on my Data partition (NTFS). One moment everything worked fine, the next moment I couldn't chmod anything anymore. chown throws no errors or warnings at all, but nothing has changed either. chmod keeps saying Operation not permitted. I've been messing around with /etc/fstab as suggested by other answers on AskUbuntu, but none of them seem to have the desired effect. This is my current line: UUID=25D7D681409A96B7 /media/Data ntfs defaults,umask=000,gid=46,permissions,users,auto,exec 0 0 For reference, this is the original one: UUID=25D7D681409A96B7 /media/Data ntfs defaults,umask=007,gid=46 0 0 (right after the problem started occuring) What do I need to do so I am the owner of my own hard drive again? I want to be able to just use chmod and chown (without sudo) without being told that some mysterious alien has taken over control of my Data partition. I can still read and write, but execution permissions seem to be the problem.

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  • TOR Error permission issue

    - by LeChiffte
    I've tried reinstalling, updating, and removing and then reinstalling. Nothing seems to work. See screenshot below: the output of gedit /home/skynet/.tor-browser-en/LOG (The installation log) is: /usr/bin/tor-browser-en.sh: Your version in /home/skynet/.tor-browser-en is outdated or you do not have installed tor-browser-en yet. /usr/bin/tor-browser-en.sh: Extracting files to /home/skynet/.tor-browser-en/INSTALL. tar (child): /opt/tor-browser-en/tor-browser-linux64-3.6.2_en-US.tar.xz: Cannot open: No such file or directory tar (child): Error is not recoverable: exiting now tar: Child returned status 2 tar: Error is not recoverable: exiting now

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  • Brightness problem after upgrade Ubuntu 13.10

    - by Daniel Yunus
    I have upgrade to 13.10 recently. But, the brightness is working after I add this in version 13.04 before. After I upgrade to 13.10, this code is not working on ASUS Slimbook X401U #!/bin/sh -e # # rc.local # # This script is executed at the end of each multiuser runlevel. # Make sure that the script will "exit 0" on success or any other # value on error. # # In order to enable or disable this script just change the execution # bits. # # By default this script does nothing. echo 0 > /sys/class/backlight/acpi_video0/brightness exit 0

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  • Ubuntu GUI crash when LightDM enters, unable to login

    - by Cesar
    This issue happened spounteniously, i don´t know what could have cause it as i wasn´t using the PC when it happened. I ruled out any messing around with the setting as the user doesn´t know how to enter the BIOS, doesn´t have the sudo password and was only using firefox and libreoffice when it happened. After the plymouth sequence i get this error. https://www.dropbox.com/s/uf1xdkqkw9alvcu/IMAG0252.jpg And this option: https://www.dropbox.com/s/tpivkgjkx2spa3v/IMAG0253.jpg I follow each option and nothing happens after that. The issue persist after rebooting. I choose the other options to see if anything happens, i either get back to option 1 or doesn´t show anything anormal. (I have pictures i someone wants to know) What i found weird is that event though the error is possitioned in the chip, however ubuntu 10.04 and 12.04 run fine in a live CD I saw that some people are having issues when LightDM has a non default wallpaper, but i use a default one. Thanks in advance.

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  • Gotcha | Installing .net 4.0 and IIS 6

    - by Steve Clements
    Just a quick one, seems pretty weird to me. I installed .net 4.0 on an old IIS6 box, ready to deploy a asp.net mvc app targeting .net 4.0.  I thought, which to me seems logical, that I install .net 4.0, setup a new web site, new app pool, set the web site to asp.net 4.0 (other configuration also needed to run MVC on IIS6 here and here) and it would just work. Errr… No.  The page cannot be displayed!  Nothing to do with MVC. Apparently just because you have installed .net 4 and the option is available in IIS, it’s not enabled.  I’m not going to repeat anything here…take a look at this post – clear, easy steps on exactly what you need to do and how to check if this is the problem. http://johan.driessen.se/archive/2010/04/13/getting-an-asp.net-4-application-to-work-on-iis6.aspx

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  • Are JSP and Java still relevant?

    - by dyyyy
    I've been working so long in java and jsp, that for me it's a no-brainer to use it. But now as I'm starting to do my own framework for web applications, I'm wondering if jsp is the right choice. Seing how much php is popular (as well as other languages as ruby and python) Is JSP still a relevant language. Does it have any clear advantage over other languages ? I don't want to use it just because i know it better. So please considering I know nothing, is there a reason to use JSP and JAVA? Thank you

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  • Dual Monitor/Xinerama not working; cannot even detect on-board graphic card

    - by Steven H
    I have Kubuntu 12.04 and two identical VGA monitors. One I plugged via DVI-VGA adapter into the DVI port of my discrete AMD Radeon HD 6670, the other into the VGA port of my on-board graphic card (Radeon HD 6410D). After installing Kubuntu I got a black screen, so I booted with nomodeset and installed AMD's catalyst drivers but only the monitor plugged into the discrete graphic card worked. Using lspci I saw that the on-board graphics was not listed. Then I found in the BIOS settings the options "Surround View" and "Onboard Dual Link DVI" both disabled. After enabling both, the on-board graphics card shows up in lspci but in amdcccle, it only shows as [Uknown display]Uknown adapter. When I try to enable xinerama, I get a black screen after rebooting on both monitors. I tried several options and hints from the web but nothing worked so far. I also reinstalled the AMD drivers several times. What should I do?

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  • How did programmers resolve their problems before the internet?

    - by 9a3eedi
    When programming, anytime I get stuck, perhaps with a compiler error that doesn't make sense, or from a GUI function that didn't do what I expected, I automatically google my problem, find someone else that faced the same thing, and read what's going on and why I'm getting the problem. Before the internet, how did people handle these situations? People used to read books and manuals more, I know. But books don't explain everything, like the odd compiler problem that you get sometimes, or nothing showing up on your screen despite you clearly writing correct OpenGL code. How did people cope when facing challenges? Did they simply "bash their head" on the wall till they figured it out? Is there something people used to do regularly on the side that gave them the ability to get themselves unstuck more easily? Were libraries/compilers much simpler back then? I've been asking this question because I sometimes feel guilty depending on Google so much when I'm pretty sure programmers before my time were more independent when it comes to facing these matters.

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  • Twin Cities Fragathon II - Electric Fragaloo - Halo 3 ODST Tournament

    - by Chris Williams
    If you're in the Twin Cities and play Halo 3 ODST, or like to watch other people play, or enjoy smack talk, or pizza, or just have nothing better to do... well then you're in luck!! The Twin Cities XNA User Group (www.twincitiesxnausergroup.com) is hosting the 2nd (slightly longer than annual)  Charity Fragathon!! This time around we're doing a Food Drive for Second Harvest, so you have your choice of paying cash or bringing food. The event is Saturday April 17, 2010 and the doors open at 5pm. For more details, and to register, please visit www.CharityFragathon.com today!

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  • Error when trying to get movies off my Camera

    - by matt wilkie
    How do I retrieve movies and audio files from my Canon PowerShot S5 IS camera? Shotwell only sees the pictures. Mounting the camera via "Places Canon Digital Camera" and then clicking twice on the resulting desktop icon yields this error: could not display "gphoto2://[usb:001,002]/" There is nothing in /media. update: output of sudo fdisk -l Disk /dev/sda: 40.0 GB, 40007761920 bytes 255 heads, 63 sectors/track, 4864 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x3ee33ee2 Device Boot Start End Blocks Id System /dev/sda1 2364 2612 1999872 82 Linux swap / Solaris /dev/sda2 * 1 2364 18979840 83 Linux /dev/sda3 2613 4864 18089159+ f W95 Ext'd (LBA) /dev/sda5 2613 4864 18089158+ b W95 FAT32 Partition table entries are not in disk order Solution: install gphotofs, then Nautilus shows camera contents similar to a standard usb storage device (though note that gphotofs does not yet support adding to or deleting contents).

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  • Realistic planetary terrain generation with weights

    - by Programmdude
    I need terrain generation for a planet. The planet will be divided up into several hundred hexes, and I need it to be realistic and based on weights. I have dabbled in terrain generation before, but nothing like this. So I figure it would be a good idea to ask the community for answers, recommended articles or the like. By realistic, I mean not just random hexes, but continent shaped things with a few islands. More desert around the equator and more ice around the poles. I also have two weights I need to base it around: ice percentage and water percentage. That means that around XX% of the planet will need to be water. Does anyone have any advice or places to start? Generating arbitrary terrain is easy, but something a bit more "organic" like this seems rather difficult. It also needs to be seamless. Should be obvious since it's a planet, but no harm in pointing it out.

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  • Why does F. Wagner consider "NOT (AI_LARGER_THAN_8.1)" to be ambiguous?

    - by oosterwal
    In his article on Virtual Environments (a part of his VFSM specification method) Ferdinand Wagner describes some new ways of thinking about Boolean Algebra as a software design tool. On page 4 of this PDF article, when describing operators in his system he says this: Control statements need Boolean values. Hence, the names must be used to produce Boolean results. To achieve this we want to combine them together using Boolean operators. There is nothing wrong with usage of AND and OR operators with their Boolean meaning. For instance, we may write: DI_ON OR AI_LARGER_THAN_8.1 AND TIMER_OVER to express the control situation: digital input is on or analog input is larger than 8.1 and timer is over. We cannot use the NOT operator, because the result of the Boolean negation makes sense only for true Boolean values. The result of, for instance, NOT (AI_LARGER_THAN_8.1) would be ambiguous. If "AI_LARGER_THAN_8.1" is acceptable, why would he consider "NOT (AI_LARGER_THAN_8.1)" to be ambiguous?

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  • How do I restore the privacy pane of the system settings?

    - by Sparhawk
    Checking out screenshots of the system settings in Ubuntu 12.10, it seems that I am missing a few. When I open up my settings, I cannot see Privacy, Backup, and Management Service. Also, nothing comes up when I search the Dash for these words. In a previous edition of Ubuntu, I purged Ubuntu One (with sudo apt-get purge ubuntuone-client python-ubuntuone-storage* ubuntuone-couch ubuntuone-installer) and appropriately, I cannot see the Ubuntu One icon. I've also previously purged unity-lens-music Perhaps I purged some metapackage that removed the others? In any case, how do I restore the privacy pane (as well as the other icons)? Also, any suggestions for what I did to remove the packages in the first place (and hence how to avoid this problem in the future)?

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  • How to reset the Xorg / xserver in 12.04 Precise Pangolin

    - by thomas
    xserver keeps crashing on my general user account both in unity 3d and 2d. It doesn't do it on the guest account. That's why I want to reset / rollback everything xserver related, hoping this is going to fix it. Most answers on this involve sudo dpkg-reconfigure xserver-xorg. However, this does nothing for me (generates no output) and I read in other forums, that it's deprecated. So, what's the current way to reset all xserver / xorg options; what's the alternative to sudo dpkg-reconfigure xserver-xorg ? Thanks Edit: X crashes during work, not before login or so. And the effect of a crash is, that I get thrown out of the session, not a freeze or machine crash.

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  • "Automation Error Unspecified Error" ... err Error

    - by Tim Dexter
    One the best error messages I have seen in a long time and I've seen some doozies!  There have been a fare few internal emails flying over the past week about issues with the template builder for MSWord not working. The issue has been found, so if you are hitting some behaviour similar to this: I have installed BI Publisher Desktop 11.1.1.6 for 32 bit. I have to load the data from XML to RTF Template. As per instruction when I click on tab Sample XML nothing happen. When I click on any other tab from BI Publisher menu, I am getting one error in pop-up menu “Automation Error Unspecified Error. I am unable to open any of the tab of BI Publisher menu including help. Have no fear, it's for once, not a BIP issue but a Microsoft one! Check here for what you need to do to resolve the error.

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  • Corrupted File System on Dual HD/Dual Boot System

    - by Troy
    I have the following system set up: 2 drives, 1 TB each, one with Windows 7 and the other with what used to be Ubuntu 11.x After an update my system became corrupted and now the file system is apparently corrupt. The Ubuntu drive is /dev/sda2, the Windows 7 is /dev/sda1. I've tried fsck /dev/sda2 -t ext3 and that does nothing. I'm not sure what to do at this point. I don't even mind wiping the /dev/sda2 drive clean, so it will at least accept a completely new installation of Ubuntu. I just don't know how to do that. Please help. Thank you

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  • Dynamic Dijkstra

    - by Dani
    I need dynamic dijkstra algorithm that can update itself when edge's cost is changed without a full recalculation. Full recalculation is not an option. I've tryed to "brew" my own implemantion with no success. I've also tryed to find on the Internet but found nothing. A link to an article explaining the algorithm or even it's name will be good. Edit: Thanks everyone for answering. I managed to make algorithm of my own that runs in O(V+E) time, if anyone wishes to know the algorithm just say so and I will post it.

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  • sku code as description in Google Analytics

    - by dreagan
    In the Google Analytics ecommerce tracing script you must provide for every item and SKU code. I have this code for every product I'm selling and up until now I have always provided it in the _addItem method. But when reviewing that data in the ecommerce module of Google Analytics, I have no real, no readable data about my SKU sales. I know what product has been sold, due to the product name I provide. But when clicking through to the SKU-level, I know nothing more, since all I can see there are SKU codes. Is it possible and wise to replace the SKU code with the following template? "product-name colour-name size-name" This way, it should still be a unique field, but more readable afterwards.

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  • Google Chrome Won't Open

    - by Mike Strand
    When I try to open Google Chrome from the launcher, nothing seems to happen. (this is a new phenomenon, it used to work). I'm on Ubuntu 13.04. When I try to open via the terminal with either $ google-chrome $ google-chrome --incognito I get, ":FATAL:zygote_host_impl_linux.cc(138)] The SUID sandbox helper binary was found, but is not configured correctly. Rather than run without sandboxing I'm aborting now. You need to make sure that /opt/google/chrome/chrome-sandbox is owned by root and has mode 4755." Any help would be appreciated.

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  • What would be the best approach to make revisions of user content?

    - by Kevin Simper
    I have searched and could not find any information about it. What is the best approach to storing revisions? I have a website where the user can write a document which can be fairly long (200-300 lines). How do you determine when to make a revision? Is it not a scalable solution to make a new one whenever the save, because that would be useless to the user when the want to look back, and it would require quite a lot of space. You could use time and say for every 15 minute they are working on it there would be a revision, but that would sometimes be nothing or the whole document have completely changed. I could make a diff from the previous revision, and compare by line and look at how many percent of the lines have been changed. What are other doing revisions?

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  • How to auto-scan any plugged in usb storage device with clamav?

    - by ossi
    I'd like to do an automatic virus scan on any plugged in usb device using ClamAV. I'm using Ubuntu 12.04. The closest thing I found was: Run clamav on mount of flashdrive How to run a shell script when a new USB storage device is detected? The first one is not working for me and the second one seems to target a known device. Is there a tutorial around I've missed? Or can I get some help with udev rules that apply to any usb storage device added? Currently nothing seems to do anything.

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  • Ubuntu live session crashes and boots to a black screen

    - by Bsc
    I heard about Ubuntu from a friend and wanted to test it out. I made a Pendrive Ubuntu 12.04 with a persistent file using Universal USB Installer. The first time I booted Ubuntu from the USB everything went like usual. I was just a bit exploring Ubuntu and had installed a few apps nothing more. Today after using Windows 7 for while again, I wanted to boot Ubuntu again. When I boot it, the usual loading screen comes up but after that it crashes and gave me a black screen. Is there a possibility to check the USB on errors or do I need to reinstall Ubuntu on the USB?

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  • My Ubuntu LiveUSB won't boot after formatting it on Windows XP. HELP!

    - by Bigyellow Bastion
    I formatted because the Windows XP I was using wouldn't let me view the drive in the window without formatting first, so I just said what the heck. Turns out, after using the Linux USB creator, placing the ISO on disc properly and booting, BIOS hangs; no bootloader, no startup, nothing. Windows XP's formatting screwed something up with my USB's filesystem, and I'm uncertain of what to do. Help?! My business depends on me using an OS, so prompt ideas are a must and very appreciated(no money). PS: I checked the contents of the disc, and they are all okay.

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  • Permanent redirect to different domain followed by temporary redirect to folder

    - by Ricardo Amaral
    I have old-domain.com which I want to migrate to new-domain.com. However, the content on the old domain is, well, old. And I'm currently in the process of redesigning my whole site. My idea is to do a permanent (301) redirect from old-domain.com to new-domain.com so that search engines know about the new domain and forget about the old one. But since the content is old I was thinking to do a temporary (302) redirect from new-domain.com to new-domain.com/old/ until the new content/site is ready to be published. Is this, for some reason, a bad idea? Or there's nothing wrong with it? One last thing... If I go with this, what should I do when the new content is ready? Should I just remove the 302 redirect and that's it, or should I do something else to notify search engines that the temporary redirect is over?

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