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• Adobe flash plug-in crashed/needs permission in Chromium

  - by sally

  A couple of days ago I started to get these messages when trying to watch videos on Youtube and a couple of other sites. (Using Chromium browser) Normally starts by just seeing a black screen with Missing Plug-in faintly visible, but will also ask me to give permission to run both at top (yellow bar), and if I tell it to 'allow' it follows up with the white puzzle piece on black background requesting permission. Occasionally I have seen the message telling me the flash-player has crashed, too. Giving permission does not fix the problem. Have also navigated to 'about:plugins' and checked that Adobe flash is enabled and permitted. I have just done a fresh installation of Lubuntu 11.10 as a last resort but problem still not fixed.

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• Des chercheurs utilisent des bactéries pour stocker des données, le biostockage va-t-il remplacer les disques durs ?

  Des chercheurs utilisent des bactéries pour stocker des données, le biostockage va-t-il remplacer les disques durs ? L'Université de Hong Kong travaille actuellement sur un projet ambitieux de biostockage, qui a pour principe d'utiliser des organismes vivants pour stocker et crypter des informations. "Cela veut dire que l'on pourra conserver, très longtemps, de vastes quantités de données dans une boîte contenant des bactéries, au frigidaire", explique un étudiant travaillant sur le dossier. Comment cela fonctionne-t-il ? Les bactéries se reproduisent et se renouvellent sans cesse. Ainsi, elles peuvent se passer un message pendant des milliers d'années. Ces organismes unicellul...

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• force users to activate account before using service?

  - by fxuser

  i am not sure if this is the correct SE site to post this, but ill go on... So at the moment i force my users to activate their account upon registration if they want to sign in. I see some decent sites let their users sign in and use their features even their account is not activated and just show a message on top of the page letting them know that their account is not yet activated and that you need to activate it. So which practice is best? Should i stick with that i have or change it?

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• How do I import Amazon MP3s with Banshee and the new Amazon Cloud Player?

  - by adempewolff

  Banshee's Amazon MP3 Import extension until recently allowed seamless importing of songs purchased from Amazon MP3. It did this by a)opening .amz files and using them to connect to and download the purchased files from Amazon's servers, and b) using hooks in Banshee's built-in browser to automatically recognize and open the .amz files when clicked on in the browser. However, recently this functionality stopped working. Banshee will display Contacting Server in the lower left hand corner for a little while and then stop. Furthermore opening the Amazon Cloud Player in the Banshee browser or any other browser on a Linux system to manually download the .amz file now results in the message: On Linux systems, Cloud Player only supports downloading songs one at a time. To download your music, deselect all checkboxes, select the checkbox for the song you want to download, then click the "Download" button. How can I get around this and import my purchased music into Banshee as I used to?

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• GNOME Shell Overview animation is slow on my NVIDIA 320M

  - by AllanCaeg

  I'm running Ubuntu 10.10 on my MacBook Air 11" (late 2010 model 3,1). Compiz runs fine, as well as most of GNOME Shell's animations. The animation for switching to and from GNOME Shell overview is just very slow. Unfortunately, it's the most common animation on Shell. I already applied cd ~/gnome-shell/source/gnome-shell curl http://bugzilla-attachments.gnome.org/attachment.cgi?id=157326 > shell-animations-nvidia.patch git am shell-animations-nvidia.pat that I found from http://live.gnome.org/GnomeShell/SwatList , but the issue's still here. How do I fix this? EDIT: Apparently, it's an NVIDIA driver bug, which has something to do with the message tray. Is this correct? How do I go around this issue?

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• Buzzword for "performance-aware" software development

  - by errantlinguist

  There seems to be an overabundance of buzzwords for software development styles and methodologies: Agile development, extreme programming, test-driven development, etc... well, is there any sort of buzzword for "performance-aware" development? By "performance awareness", I don't necessarily mean low-latency or low-level programming, although the former would logically fall under the blanket term I'm looking for. I mean development in which resources are recognised to be finite and so there is a general emphasis on low computational complexity, good resource management, etc. If I was to be snarky, I would say "good programming", but that doesn't seem to get the message across so well...

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• Burning Snow Leopard DMG on Ubuntu

  - by Caitlann Lloyd

  So I have a SL Copy of Mac OS X Snow Leopard.DMG and I am running Ubuntu 12.0.4. I tried burn the DMG to a DVD using CD/DVD Creator however when I try, it comes up with a message saying 'The size of the file is over 2 GiB. Files larger than 2 GiB are not supported by the ISO9660 standard in its first and second versions (the most widespread ones). It is recommended to use the third version of the ISO9660 standard, which is supported by most operating systems, including Linux and all versions of Windows™. However, Mac OS X cannot read images created with version 3 of the ISO9660 standard.' How do I bypass this so my DVD is bootable on my iMac. By the way, I'm running Ubuntu on the iMac and it is my only partition. No other OS Installed

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• Multiple problems while installing Ubuntu 13.04 on LENOVO G500 laptop

  - by Balazs Kiss

  Dear Community, I encountered several problems when installing Ubuntu on my new Lenovo G500 laptop. First I bumped in the problem (also reported by many other) of the black screen after booting Ubuntu. This problem I recould solve by changing the "quiet splash" record of GRUB to "nomodeset". Ubuntu install was successful then. After the installation, I had a black screen again when booting up for the first time. I booted up again with "nomodeset", and enabled the external AMD driver at Hardware Drivers. Booting still do not worked (only with nomodeset), and when I log in, the system gives me a "System program problem detected" message, and the system (desktop) does not load in. Please, can you advise me what to do? Shall I re-install Ubuntu? What are the steps to make my ubuntu work with this harver? Hardware: LENOVO G500 with IntelCore i5-3230M 3,2Ghz processor and AMD Radeon HD8570 integrated chip Thank you for your help in advance!

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• Is dynamic casting Entities A good design?

  - by Milo

  For my game, Everything inherits from Entity, then other things like Player, PhysicsObject, etc, inherit from Entity. The physics engine sends collision callbacks which has an Entity* to the B that A collided on. Then, lets say A is a Bullet, A tries to cast the entity as a player, if it succeeds, it reduces the player's health. Is this a good design? The problem I have with a message system is that I'd need messages for everything, like: entity.sendMessage(SET_PLAYER_HEALTH,16); So that's why I think casting is cleaner.

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• Schedule sending mail of a log file content

  - by user3215

  I have postfix mail agent installed and I've configured gmail relay and I could send mails from the terminal as below: root@statino1:~# mail -s "subject_here" [email protected] CC: <hit enter for empty cc> Type the mesage here press Ctrl+d I have to send a log file contents as a mail and schedule it to run everyday. How do I send log file contents as mail message, how do I automate the inputs of mail command? so that I can schedule it. Anybody has any idea?

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• Le Bluetooth 4.0 dans les starting-blocks, plus puissant il rend possible le développement d'applica

  Le Bluetooth 4.0 dans les starting-blocks Il rendrait possible le développement d'applications sportives, médicales et domotiques Le Bluetooth, dans sa version 4, serait prêt à bondir. C'est le message qui vient d'être donné sur le site officiel de la technologie. Le Bluetooth 4 marque en tout cas une réelle évolution. La portée du signal pourra à présent dépasser les 60 mètres (et être modulable). Sa consommation électrique sera plus réduite. Et le Bluetooth inclura à présent la norme radio 802.11 pour le transfert haut débit de fichiers. Ces évolutions, notamment la modularité du signal, permettront d'élargir la gamme de produits qui peuvent être int...

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• Authentication issue with CUPS 5.3.1 on SMB Printer

  - by Julius

  I am trying to print to a samba printer via CUPS. I have configured the printer allright, but there seems to be a problem with authentication. The error message I get is Session setup failed: NT_STATUS_LOGON_FAILURE The GUI also tells me: Idle - Tree connect failed (NT_STATUS_ACCESS_DENIED) It used to work with previous versions of CUPS (1.4.3 and 1.4.6) under Ubuntu 11.04 I am doing this on a clean install of Ubuntu 12.04, CUPS version 1.5.3. I have tried changing some rights relating to apparmor, with no success as described here: http://www.compdigitec.com/labs/2010/01/16/fixing-usrlibcupsbackendsmb-failed-error-in-ubuntu/ I have been working with Ubuntu for years - but this is the kind of problem I need help with.

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• What does this red icon on my panel mean?

  - by Ceil

  This red icon.... It showed up after I upgraded to Ubuntu 12.04LTS; I can't figure out how to ditch it. It seems to be a notification thing. I am at a loss. The icon is here: I clicked it and read this: An error occurred, please run Package Manager from the right-click menu or apt-get in a terminal to see what is wrong. The error message was: 'Error: BrokenCount0'. This usually means that your installed packages have unset dependencies.

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• Ubuntu 12.04.1 LTS USB not being detected after formatting with Startup Disk Creator

  - by Zach

  sudo fdisk -l lists the drive, however, I cannot find it in the file explorer. Disk /dev/sda: 250.1 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000d871e Device Boot Start End Blocks Id System /dev/sda1 * 2048 486322175 243160064 83 Linux /dev/sda2 486324222 488396799 1036289 5 Extended /dev/sda5 486324224 488396799 1036288 82 Linux swap / Solaris Disk /dev/sdb: 8195 MB, 8195480064 bytes 253 heads, 62 sectors/track, 1020 cylinders, total 16006797 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00027ae4 Device Boot Start End Blocks Id System /dev/sdb1 * 62 15999719 M 7999829 c W95 FAT32 (LBA) Manually mounting it produces this error message :~$ sudo mount -t vfat /dev/sdb1 /media/external -ouiduid=1000,gid=1000,utf8,dmask=027,fmask=137 mount: wrong fs type, bad option, bad superblock on /dev/sdb1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so Is the usb toast?

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• How can I open an .xps file in Evince?

  - by Jakob

  On projects.gnome.org I read that evince/Document Viewer supports xps-files. But when I try to open an xps-file I get the error message Unable to open documentFile type Zip archive (application/zip) is not supported Reading "the full list of supported document formats" on live.gnome.org I can't find xps there. Now I ask myself (and you): Isn't Document Viewer able to open xps-files, or is there something wrong with that xps-file I try to open? I specifically want to do this with Ubuntu 11.10 Oneiric. The PPA ppa:medigeek/evince-xps has no solution for 11.10, and the xpstopdf utility mixes up the letters from my xps file totally - the new pdf then isn't usable. I want to see a solution for Evince or Gnome in general, not get a recommendation for a KDE application like here.

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• JSF 2.2 Update from Ed Burns

  - by arungupta

  In a recent interview the JavaServer Faces specification lead, Ed Burns, gave an update on JSF 2.2. This is a required component of the Java EE 7 platform. The work is expected to wrap up by CY 2012 and the schedule is publicly available. The interview provide an update on how Tenant Scope from CDI and multi-templating will be included. It also provide details on which HTML 5 content categories will be addressed. The EG discussions are mirrored at jsr344-experts@javaserverfaces-spec-public. You can also participate in the discussion by posting a message to users@javaserverfaces-spec-public. All the mailing lists are open for subscription anyway and JIRA for spec provide more details about features targeted for the upcoming release. A blog at J-Development provide complete details about the new features coming in this version. And an Early Draft of the specification is available for some time now.

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• Got back Hibernation option, but cannot resume from Hibernate

  - by harisibrahimkv

  In my Ubuntu 12.04, the hibernation option was working well and fine. However, I installed Debian on another partition recently and when I again tried to boot to Ubuntu, I got a message on the boot splash screen saying : The disk drive for / is not ready yet or not present. Continue to wait; or press s to skip mounting or M for manual recovery. After logging into Ubuntu, I find that my hibernation option has gone missing. Is there anyway to recover the hibernation option? EDIT: I solved the disk drive problem and I got the hibernation option back. When I did "sudo pm-hibernate", my system went to hibernation. However, when powering on again, it booted up normally and thus there was no effect of hibernation. How can this be rectified? EDIT1: System - Lenovo ideapad s10-2. EDIT2: /etc/fstab

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• How do I execute a file from a FAT USB drive?

  - by Derek Redfern

  I'm trying to install a portable app onto my USB drive such that it is compatible with both Ubuntu and Windows (specifically, a program called eToys). Support is already built into the app for both operating systems - there's etoys.sh for Ubuntu and etoys.exe for Windows. I decided to install onto a FAT drive since that can be read from both systems. This works fine for Windows, but for some reason I cannot execute etoys.sh on Ubuntu. The problem is not with the file - when the whole folder is copied to the local hard drive, the app works great in Ubuntu. But when I try to execute it from the USB, it opens the file in a text editor. I then tried running it from a terminal, but I got the message "Permission denied." I've had the same problem with other executables as well. Is there an easy way to execute things from a USB stick? Thanks! -- Derek

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• chromium-browser --proxy-server debugging

  - by user3678068

  Many places online have pointed out to configure chromium proxy via command can be achieve with the following line chromium-browser --proxy-server=[username]:[password]@[host]:[port] but I got this result on every request. Here's the output in the command line right after executing the previous command. (They do not appear to be relevant. There are no new command line output when I try to visit a page) libGL error: failed to authenticate magic 30 libGL error: failed to load driver: vboxvideo ATTENTION: default value of option force_s3tc_enable overridden by environment. [29551:29551:0606/160459:ERROR:sandbox_linux.cc(268)] InitializeSandbox() called with multiple threads in process gpu-process I have double checked that the proxy credential works with the foxyproxy chrome plugin. What else can I try to figure this out? [Edit] Going to chrome://net-internals/#proxy and reading "Effective proxy settings" if I do chromium-browser with no flags, I get Use DIRECT connections. Source: GSETTINGS if chromium-browser --proxy-server=[host]:[port], I get a message box requesting to login, and under "Effective proxy settings": Proxy server: [host]:[port] if chromium-browser --proxy-server=[user]:[pass]@[host]:[port], "Effective proxy settings" shows: Use DIRECT connections

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• problems updating system with apt-get

  - by Javier

  After to do apt-get update and try with apt-get upgrade I have the next error message: This is a coppy of my terminal (in spanish) root@LinuxJGP:/home/javiergp# apt-get upgrade Leyendo lista de paquetes... Hecho Creando árbol de dependencias Leyendo la información de estado... Hecho Se actualizarán los siguientes paquetes: apport apport-symptoms fonts-liberation gnome-icon-theme gnome-orca language-pack-en language-pack-en-base language-pack-es language-pack-es-base language-pack-gnome-en language-pack-gnome-en-base language-pack-gnome-es language-pack-gnome-es-base light-themes linux-firmware oneconf resolvconf sessioninstaller software-center ssl-cert tzdata ubuntu-docs ubuntu-keyring ubuntu-sso-client ubuntuone-control-panel ubuntuone-installer unity-lens-video unity-scope-video-remote xdiagnose 29 actualizados, 0 se instalarán, 0 para eliminar y 0 no actualizados. E: Los archivos de índice de paquetes están dañados. No existe un campo «Filename:» para el paquete ubuntu-keyring. How can resolve this problem?

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• Using multiple A-records for my domain - do web browsers ever try more than one?

  - by Jonas

  If I add multiple A-records for my domain, they are returned in a round robin order by DNS-servers. E.g: 1.1.1.1 A example.com 1.1.1.2 A example.com 1.1.1.3 A example.com But how does webbrowsers react if the first host (1.1.1.1) is down (unreachable)? do they try the second host (1.1.1.2) or do they return a error message to the user? Are there any difference between the most popular browsers? If I implement my own application, I can implement so that the second is used in case the first is down, so it's possible. And this would be very helpful to create a fault tolerant website.

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• Proper fstab entry to mount a samba share in 12.04

  - by JPbuntu

  I am a little confused on the proper fstab entry for a samba share in Ubuntu 12.04 I can get the drive to mount manually by using: sudo mount -t cifs //192.168.2.2/raid_drive /mnt/homeserver -o username=jon,password=password So I tried putting this in fstab: //192.168.2.2/raid_drive /mnt/homeserver cifs username=jon,password=password,iocharset=utf8,mode=0777,dir_mode=07??77 0 0 Which gives me this error in syslog: kernel: [ 2217.925354] CIFS: Unknown mount option mode kernel: [ 2217.936345] CIFS VFS: default security mechanism requested. The default security mechanism will be upgraded from ntlm to ntlmv2 in kernel release 3.3 This guide says to use smbfs although I believe smbfs is deprecated? What is a common fstab configuration for a samba share in Ubuntu 12.04? EDIT: Using the accepted answer below I was initially getting this error message (from dmesg): [ 45.520883] CIFS VFS: Error connecting to socket. Aborting operation [ 45.520990] CIFS VFS: cifs_mount failed w/return code = -115 although it turns out this was due to network connectivity issues, and not related to improper fstab entry.

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• A testing feedback/report tool?

  - by Mert

  I'm thinking of developing a pluggable test and assessment module. This tool will be used especially for desktop application projects to report and log errors, bugs, missing features and suggestions from testers. The tool will be plugged to the application by putting a small icon to the application itself. When pressed the tool will be visible where user can create entries about the application. Is there already a tool like that? I am not speaking about UI testing btw. For example, this tool might have a form consisting of Page name Environment information Entry type (can be bug, feature request, suggestion) Message User Info (name, contact etc) Date I think such a tool can greatly help testers prepare reports. Developers can understand the issue better and track all the reports.

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• How To Delete, Move, or Rename Locked Files in Windows

  - by Chris Hoffman

  Windows won’t allow you to modify files that open programs have locked. if you try to delete a file and see a message that it’s open in a program, you’ll have to unlock the file (or close the program). In some cases, it may not be clear which program has locked a file – or a background process may have locked a file and not terminated correctly. You must unlock the stubborn file or folder to modify it. Note: Unlocking certain files and deleting them may cause problems with open programs. Don’t unlock and delete files that should remain locked, including Windows system files. 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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• gcc no longer works after up grade to latest Ubuntu

  - by Hugh S. Myers

  As an example: hsmyers@ubuntu:~/c_dev$ cat hello.c #include <stdio.h> int main(int argc,char **argv) { printf("Hello World!\n"); return 0; } hsmyers@ubuntu:~/c_dev$ gcc -c -o hello.o hello.c In file included from /usr/include/stdio.h:28:0, from hello.c:1: /usr/include/features.h:323:26: fatal error: bits/predefs.h: No such file or directory compilation terminated. At a guess somewhere along the way after trying to fix the error message: /usr/bin/ld: cannot find crt1.o: No such file or directory I've munged things up completely. Could anyone please advise? --hsm

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