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• USB modem could not mount on 12.04

  - by maz

  I have a usb wimax modem. If I connect it at ubuntu 10.04 it has been detected and mounted as cd see here. From there I got that it is "iso96660" type and device location is /dev/sr1. But when I connect this usb modem in Ubuntu 12.04, it could not be mounted. So I have tried to find the file sr1 in this location /dev/ and could not found any-thing. But if disconnect and then re-connect the usb modem at this path /dev/, I saw a flickering of "sr1" named file for a certain time (1 sec) then it's dis-appear. Can anyone guide me to connect it step-by-step in Ubuntu 12.04?

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• Instantiate proper class based on some input

  - by Adam Backstrom

  I'm attempting to understand how "switch as a code smell" applies when the proper code path is determined by some observable piece of data. My Webapp object sets an internal "host" object based on the hostname of the current request. Each Host subclass corresponds to one possible hostname and application configuration: WwwHost, ApiHost, etc. What is an OOP way for a host subclass to accept responsibility for a specific hostname, and for Webapp to get an instance of the appropriate subclass? Currently, the hostname check and Host instantiation exists within the Webapp object. I could move the test into a static method within the Host subclasses, but I would still need to explicitly list those subclasses in Webapp unless I restructure further. It seems like any solution will require new subclasses to be added to some centralized list.

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• Upgrade or replace a Wubi installation?

  - by Torben Gundtofte-Bruun

  I've got Windows 7 with Wubi 11.10 installed. I would like to upgrade to 12.04 but I'm not sure what the best path would be. I'm not skilled enough to use Ubuntu all the time, and my iPhone requires me to run some Windows version for the damn iTunes software. I would love to run Windows XP but I can't figure out how to install it via USB -- my computer has no cd drive. I'd like to run Windows XP and Wubi 12.04 on top of that. Or, perhaps, Ubuntu 12.04 natively and Windows XP alongside of that. So I guess I have 2 questions: (lazy) Should I upgrade my Wubi from inside Ubuntu, or should I remove Wubi 11.10 from within Windows and install a brand new Wubi 12.04? (proper) How can I install Windows XP and Ubuntu 12.04 alongside each other? Update: I am going to create a separate question post about the above #2 question... I realize it's wrong to ask two questions in one post when they are that different.

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• Grub errors during UEFI dual boot for Windows 8 (can't find command 'drivemap')

  - by luca-mastro

  I have got a newly bought ASUS N56V with Windows 8 preinstalled. I needed to install Ubuntu so i partitioned the disk and after having disabled the Secure Boot option from Windows 8 i successfully installed Ubuntu 12.10 from a Live USB. The problem is that if i try to access both to Windows 8 (loader) and Windows Recovery System (loader) from the GRUB menu, these two errors show: can't find command 'drivemap' and invalid EFI file path and it goes back to the grub menu. In conclusion I do not have access to my Windows 8 partition but can only use Ubuntu. How can I solve the problem? I am pretty new to the matter. Thank you!

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• tomcat serving static content with directory listings

  - by milan

  I have tomcat 7 configured to serve static contents from a directory: <Host appBase="webapps" name="localhost"> ... <Context docBase="/var/projectA/static" path="/projectA/" /> </Host> This is available at localhost:8080/projectA/. Is it possible to somehow enable directory listings for this context? I know it's possible to do this with apache in front of tomcat, but that's not what I'm looking for. p.s. there's no 'tomcat' tag and my rep doesn't allow me to create tags...

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• Wordpress plugin installation error.

  - by Steve

  I'm trying to upload secure-wordpress.1.0.6, and I receive the following error: Warning: touch() [function.touch]: open_basedir restriction in effect. File(/abs_path/wordpress/tmp/secure-wordpress.tmp) is not within the allowed path(s): (/abs_path/:/abs_path/:/usr/local/lib/php:/tmp/php_upload) in /abs_path/public/www/wordpress/wp-admin/includes/file.php on line 199 Download failed. Could not create Temporary file. The /wp-content folder and all it's subfolders have 777 permission. I've added the following two lines to wp-config.php: putenv('TMPDIR='.ini_get('upload_tmp_dir') ); define('WP_TEMP_DIR', ABSPATH .'wp-content/uploads/'); What else should I try? I am using Wordpress 3.04 in a PHP 4.49 environment.

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• Cherrypy web application won't communicate outside localhost via VPN

  - by Geoffrey Shea

  I'm trying to run a Python2.7/Cherrypy web server on Win 7 which is connected to a VPN to establish a dedicate IP address. (If I run the exact same application on Win XP connected to the VPN it works fine.) On Win 7 I tried configuring it to use port 8080, 8005, or 80 with no improvements. I turned off Windows Firewall altogether to test and there was no improvement. If I run Apache on the Win 7 machine on port 80 it works fine so I'm pretty sure it's not the VPN service or router. If I go to WhatismyIP.com it shows that I have the IP address being provided by the VPN. Here is the Python code, but I suspect the problem is the network configuration: import cherrypy class HelloWorld: def index(self): return "Hello world!3" index.exposed = True cherrypy.root = HelloWorld() cherrypy.config.update({"global":{ "server.environment": "production", "server.socketPort": 8005 } }) cherrypy.server.start() This will return a web page if I go to localhost:8005, but not if I go to the VPN IP address:8005 from another machine. As I said, if I run Apache on the Win 7 machine on port 80 I can see it at localhost:80 AND at the VPN IP address:80 from another machine. Thanks for any light you can shed! Geoffrey

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• ssh-add insists on passphrase

  - by Sam Walton

  I have a new ssh key problem. I have successfully used them for years with Heroku, Git and other servers so I can login without having to issue a passphrase. A few weeks ago, I was unable to push a git repository on my machine to my Heroku and it responded with Permission denied (publickey). Hmm. Everything else but this Heroku function still works. So I ssh-keygen -t rsa -C "newHeroku" with no passphrase (hit return so it would be empty). So I enter: sudo chmod 600 ~/.ssh/newHeroku* Then: ssh-add ~/.ssh/newHeroku.pub Returning return for the passphrase asked it exits without error. The next step is to: ssh-add /Users/sam/.ssh/newHeroku.pub To verify that it's "live" I enter: ssh-add -l To which the output is still The agent has no identities. Okay, to eliminate variables, I repeat the key generation process but entering in a passphrase for a new key. I ssh-add the new key and get the "Enter passphrase" as expected. Now this is why I'm posting here and not on a Heroku blog because ssh-add fails because the passphrase I used keeps getting rejected. It appears, even though I have no problem with my keys elsewhere, that something is wrong with passphrase because even though I get no errors, I get errors when on the one that expects a passphrase. One question, should I expect the Passphrase request for ssh-add when I have not generated a passphrase? It's been suggested that this is a clue and I offer it. Or maybe I have a poor understanding of what ssh-add is doing. Wouldn't be the first time I asked a stupid Q. Also, I'm on Lion and have updated no system updates in the few weeks of this period except application updates.

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• Store and create game objects at positions along terrain

  - by Alex

  I have a circular character that rolls down terrain like that shown in the picture below. The terrain is created from an array holding 1000 points. The ground is drawn one screen width infront and one screen width behind. So as the character moves, edges are created infront and edges are removed behind. My problem is, I want to create box2d bodies at certain locations along the path and need a way to store these creator methods or objects. I need some way to store a position at which they are created and some pointer to a function to create them, once the character is in range. I guess this would be an array of some sort that is checked each time the ground is updated and then if in range, the function is executed and removed from the array. But I'm not sure if its even possible to store pointers to functions with parameters included... any help is much appreciated!

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• IncidentsTracker v1.2 Screenshots

  - by samkea

  he IncidentsTracker v1.2 System is a system that was developed to track Incidents happening in any particular country. It is incorporated with a maping component to enable end users search for places where an incident has happened, enter data about it and then produce reports.It's a Winforms software that was developed in a plugin style using C#  with an extensibility pattern/framework. It sits on an SQl Server backend but can also use any other databases prefered. Its Administrator just has to add the path where the database will be and it will autio create the database. This software was orignally developed to help UN Agancies and NGOs in thier work but can also be ustilised by other entities like the police, the human rights organisations, roads authority, etc etc. The development of a newer version(IncidentTracker v2) has been started in silverlight. Screenshot 01: Login. Screenshot 02: View and Search. Screenshot 03: Mapping Component

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• Designing a simple snake A.I

  - by DillPixel

  I've looked at some stuff online regarding this specific topic, and a lot of the info that I read involved graphs and path finding. I really don't want to get involved in something too complex & out of my level, and also I don't need my snake to be that intelligent (it will be a large board with the snake not growing in size on every munch). How could you structure a simpler AI for the snake that gets the job done relatively well? I would be able to get the snake to move towards the food item correctly, but my issue is that I'm not sure how to deal with the snake colliding with itself. Say the snake has a look ahead, and it finds that its tail is in the way, it could change direction, but what happens next? Any ideas on how to tackle this? Should the snake build an instruction set from every square, or should it think on the go?

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• What are the Consequences for using Relative Location Headers?

  - by Alan Storm

  According to the spec, Location headers used in a redirect require a server name HTTP/1.1 301 Moved Permanently ... Location: http://example.com/foo/baz/bar However, in 2012, most web browsers will recognize a relative path and redirect you to the new location using the original server name HTTP/1.1 301 Moved Permanently ... Location: /foo/baz/bar Are there any negative/surprising consequences to using the relative URLs in the Location headers? My particular concern is how Google/search-engines will interpret this, but if there's anything else I'm not thinking about I'd love to hear it.

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• Problem with wine

  - by Gernot

  Recently I've installed StarCraft 2 via playonlinux. The installation was absolutly no problem, everything was fine. But if I want to start the game now, it crashes. If I start it on the Terminal I get following error: optirun /usr/share/playonlinux/playonlinux --run "StarCraft II Wings of Liberty" [POL_Wine_SetVersionEnv] Message: Setting wine version path: 1.3.27, amd64 [POL_Wine_SetVersionEnv] Message: "/home/gernot/.PlayOnLinux//wine/linux-amd64/1.3.27" exists [POL_Wine] Message: Running wine-1.3.27 StarCraft II.exe wine: cannot find L"C:\windows\system32\winemenubuilder.exe" rm: Cannot remove »*“ : Can't find directory or file. Has anybody an idea what to do?

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• internal error message pops up after each time system is rebooted

  - by Biju

  I had installed ubuntu 12.04 using wubi. But each time i boot the system an internal error message pops up. As show below:- Executable path /usr/share/apport/apport-gpu-error-intel.py Package xserver-xorg-video-intel 2:2.17.0-1ubuntu4 Problem Type crash Apportversion 2.0.1-0ubuntu7 and so on.. I had earlier upgraded to ubuntu 12.04 from ubuntu 11.10. And encountered the same issue. Hence i uninstalled the OS and reinstalled using wubi. I had posted the same query in ubuntu.com/support (Question Number: 195525) But couldnt find a solution. I am using dell inspiron with intel pentium. Need ur help in resolving this issue. thanking u, Biju

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• Wireless xbox360 pad connected with xboxdrv doesn't show in jstest

  - by Kyle Letham

  So Lubuntu 13.04, 3.4.0. I'm trying to use my wireless xbox controller. I've installed xboxdrv. I have to run it with sudo, or I get USBController::USBController(): libusb_open() failed: LIBUSB_ERROR_ACCESS. If I connect the adapter, run the program, and then press the button on the gamepad to connect it, it never really connects - just flashes like it's searching. If I reboot, leaving the controller searching, and run the command again while it's searching after I boot up, the controller connects (the light becomes solid in one corner). Using pkill xboxdrv and then relaunching it doesn't work. Regardless, no matter what I do, the gamepad never shows up in jstest-gtk. sudo xboxdrv --debug gives me: Controller: Microsoft Xbox 360 Wireless Controller (PC) Vendor/Product: 045e:0719 USB Path: 002:005 Wireless Port: 0 Controller Type: Xbox360 (wireless) [DEBUG] XboxdrvMain::run(): creating UInput [DEBUG] XboxdrvMain::run(): creating ControllerSlotConfig [DEBUG] UInput::create_uinput_device(): create device: 65534 [DEBUG] LinuxUinput::LinuxUinput(): Xbox Gamepad (userspace driver) 0:0 Any ideas?

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• No inodes left error, df -i command says contrary

  - by abhinavkulkarni

  I copied a lot of files in my mounted Windows drive from Ubuntu and I subsequently ran into Error opening file '/media/windows/<some-file-path>': No space left on device error. I checked the output of df -i command to see if I had ran out of inodes for the mounted Windows drive: Filesystem Inodes IUsed IFree IUse% Mounted on /dev/sda5 2363904 504119 1859785 22% / udev 207621 522 207099 1% /dev tmpfs 211487 450 211037 1% /run none 211487 3 211484 1% /run/lock none 211487 7 211480 1% /run/shm none 211487 19 211468 1% /run/user /dev/sda2 458686680 2588876 456097804 1% /media/windows As above output shows, lots of inodes are available for /media/windows drive. I have plenty of disk space left - around 500GB. What's the problem then?

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• Nginx, as reverse proxy, could not proxy_pass to a domain pointing to the local JBOSS

  - by larryzhao

  My environment is Ubuntu 12.04, Nginx 1.20, and Torquebox 2.0.3 which is actually JBoss AS 7. I have two app deployed on Torquebox, it listens to 8080 and have different hostnames, app1.mydomain.com and app2.mydomain.com. I added 127.0.0.1 app1.mydomain.com and 127.0.0.1 app2.mydomain.com in /etc/hosts then I curl app1.mydomain.com:8080 and curl app2.mydomain.com:8080 both have correct return. Then I go to my nginx. I would like nginx to pass the visit to www.app1.com to app1.mydomain.com:8080, so I have the following configuration: # primary server - proxypass to torquebox server { listen 80; server_name www.app1.com; access_log off; error_log off; # proxy to Torquebox location / { proxy_pass http://app1.mydomain:8080/; proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_max_temp_file_size 0; client_max_body_size 10m; client_body_buffer_size 128k; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 90; proxy_buffer_size 4k; proxy_buffers 4 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; } } But it doesn't work. curl www.app1.com returns nothing. And if I visit www.app1.com in Safari, the http return code is 404. I don't know why, need help.

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• Storing documents in DMS

  - by Shaza

  I need your opinions and suggestions about storing documents in a DMS system. I think the DMS should save its own copies of the documents, not their original path on the disk. So, the DMS should have its own space to write on. But what about the way they're stored? Do they have their own extension different from the original one? What about the algorithm that stores them? What about the algorithm that retrieves them? What do you suggest??

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• Why is this happening with the wine menu?

  - by Patrick

  Some of the items in the Wine menu are given a prefix that is their entire path. The items that don't have the long prefix seem to work fine, but those that do, don't respond to the Properties button or double-click in the menu editor. They take a lot of space, and look ugly, but I can't rename them. I've tried editing their associated files, there doesn't appear to be anything different about them to the ones that are working fine. They weren't always like that - it just happened after an upgrade one day and it's been like that ever since.

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• 301 re-direct all external links to new domain

  - by Dean Legg

  I have changed the main domain to a sub-domain & would like to re-direct all external links to the new sub domain. Have read a few articles but having no luck editing the .htaccess as it might be interfering with all the rules in there. Old: www.example.co.uk New: https://secure.example.co.uk The current rules are quite handy because it seems to have sorted out the structure for all internal links. It has even updated the file path for images (or this could just be wordpress as the url was updated under general settings). This is the current .htaccess <files wp-config.php> order allow,deny deny from all </files> # BEGIN WordPress <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteRule ^index\.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] </IfModule> # END WordPress

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• How should I model an economy-based game in code?

  - by Matthew G.

  I'd like to create an economy game based on an ancient civilization. I'm not sure how to design it. If I were working on a smaller game, like a copy of "Space Invaders," I'd have no problem structuring it like this: Main Control Class Graphics Class Player Class Enemy class I don't understand how I'd do this for larger projects like my economy game. Do I create a country class that contains a bunch of towns? Do the towns contain a lot building class, most contain classes of people? Do I make a path finding class that the player can access to get around?

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• Why do I get the message "program not found" when running "mal" for Latex

  - by maclin

  just started using Ubuntu (11.10 oneiric). It is running on a virtual machine. I used to use SuSE. However, SuSE is now with Novel, which goes hand in hand with Microsoft. So now shifted to Ubuntu. For documentation I use LaTeX and installed a package. This package uses a pre-processer (it is called "mal"). I ran the textconfig rehash command as required, but when I try to run the program, I get a "program not found" error. I am guessing that it is not in my path. (a sudo did not help) Any idea?

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• Should a web designer know server-side coding?

  - by Rasoul Zabihi

  We're implementing an CMS based on ASP.NET MVC. Now, any designer should be able to provide themes for this CMS. But to write a theme, they need to be able to modify the generated HTML, thus the concept of View. In other words, they should be capable to either modify current views, or create new views from scratch, to fit their requirements. However, now we're not sure that we're taking the right path. Should a web designer (HTML, CSS, JavaScript + Photoshop) really know about server-side platforms like Razor or PHP, or classic ASP, or anything else?

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• How do I select DWM or fluxbox to start on login?

  - by axe

  I am trying to setup DWM in Ubuntu 10.10. The package is successfully built - and now I am trying to get it up and running. I created the dwm.desktop file with the proper text and the path to the dwm exec is correct. On login screen, I can see dwm as a alternate session : but if I select it, still gnome starts. I even tried another window manager (fluxbox) - same problem. I can see and select it in the login screen, but gnome starts up. Trying gconftool-2 -s /desktop/gnome/session/required_components/windowmanager dwm --type string also does nothing. Killing the windows manager just restarts it - even if I chvt first. Also, don't see the xinit daemon running. Any ideas ? This setup was trivial in Debian, and older versions of Ubuntu. What changed ? I am guessing gnome integration is to blame - but am clueless as of now.

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• need help connecting to bitbucket repository with sourceTree on windows 8

  - by pythonian29033

  I'm having trouble adding and cloning my repo on bitbucket to the sourceTree app, we're only starting with this now and we're a small company, so there's not much knowledge around this. now I've gone through The documentation on sourceTree for help, but I've noticed when I select my repo on bitbucket, it uses the repo url I select and appends a .git at the end. Then a notice message says This is not a valid source path / URL, but when I click Details... I get a dialogBox with nothing in it and an ok button. and when I'm done entering the details the 'Clone' button remains disabled. Is this Windows 8 or am I actually doing something wrong? Now I usually use ubuntu, but we just got these new ASUS ultrabooks at work and it's a pain to install any linux Distro on here. So I'm stuck with windows 8

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