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• Ubuntu 12.04 installation aborts without giving any errors on Sony Vaio

  - by Guilherme Simoni

  I'm not able to install the release ubuntu-12.04-desktop-i386 on the laptop below: Sony Vaio VGN-FE21H CPU: Intel Core Duo T2300 1.66GHz Memory: 2GB DDR2 533MHz HDD: 100GB Graphics: NVIDIA GeForce 7400 256MB I'm using the ISO "ubuntu-12.04-desktop-i386.iso" burned into a DVD. I know the ISO is OK because I used it to successfully install on Virtualbox. Live DVD boots and runs OK, but I cannot install from it or directly from the boot menu. The installation goes through all the steps until the final part where is asked the Name, Name of PC and password. The problem is in the next step where it should start copying files and present some screens and features of Ubuntu. In this part the installation just close without any error message. If I am running the installation inside the live DVD it closes and returns to the home screen of the Live. If I am running straight from the boot it closes the graphic interface and restarts the PC. Does anybody know or faced the same problem?

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• Copy HTML code but without javascript changes [closed]

  - by PaulP

  In Firebug there is very useful "Copy HTML" option in HTML Tab. But that copied HTML code also includes javascript changes like for example added new classes on document.ready (jQuery) event. I would like to copy raw HTML code like in "View source" option (it is every browser) without and javascript changes. Yes, I can use "View source" option but code in there is very scattered and it is very hard to copy one big HTML node not losing closing tag and in firebug with fold blessing I can match folded HTML node, right click and select "Copy HTML".

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• How To View PowerPoint 2010 Files Without Having MS Office 2010

  - by Gopinath

  For those who want to view PowerPoint 2010 files without installing Microsoft Office 2010, here is a free app : PowerPoint 2010 Viewer from Microsoft. PowerPoint Viewer 2010 is an upgrade of PowerPoint Viewer 2007 application with support to view all types of PowerPoint files created using MS Office 2010. As the public release of MS Office 2010 is just few weeks away, PowerPoint Viewer 2010 is a handy app to install as one your managers/colleagues/friends may send a PPT created using Office 2010. Another Office Viewer app that is useful for most of us is: Word 2010 Viewer. I Googled to figure out the links to download it, but seems to be Microsoft hasn’t’ released it(beware of the many fake downloads in the disguise of Word 2010 viewer). If any of you find links to download official Word 2010 viewer, let us hear. Download PowerPoint 2010 Viewer [via DI] Join us on Facebook to read all our stories right inside your Facebook news feed.

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• Address Regulatory Mandates for Data Encryption Without Changing Your Applications

  - by Troy Kitch

  The Payment Card Industry Data Security Standard, US state-level data breach laws, and numerous data privacy regulations worldwide all call for data encryption to protect personally identifiable information (PII). However encrypting PII data in applications requires costly and complex application changes. Fortunately, since this data typically resides in the application database, using Oracle Advanced Security, PII can be encrypted transparently by the Oracle database without any application changes. In this ISACA webinar, learn how Oracle Advanced Security offers complete encryption for data at rest, in transit, and on backups, along with built-in key management to help organizations meet regulatory requirements and save money. You will also hear from TransUnion Interactive, the consumer subsidiary of TransUnion, a global leader in credit and information management, which maintains credit histories on an estimated 500 million consumers across the globe, about how they addressed PCI DSS encryption requirements using Oracle Database 11g with Oracle Advanced Security. Register to watch the webinar now.

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• Online Accounts auth over and over again without success

  - by Mike Pretzlaw

  I just added my Google account to the "Online Accounts" in Gnome. Before my last restart the account couldn't be added for unknown reason. I authorized Gnome access to my Google Account, the window closed and nothing happened. Now I authorized Ubuntu access to my Google Account which worked well: But I can not open the Gnome Online Accounts even when I delete every online account: It's icon show up that it is loading in the dash but then suddenly disappears without any message. How to debug that? What can I do?

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• Connect to Google Talk without giving access to my full Google Account

  - by bneijt

  I would like to use Empathy as a Google Talk client. When I choose to go online, I'm asked to give [email protected] (Ubuntu) access to manage my online Photo's, Google Drive, Emails and Videos. I don't understand why Ubuntu has to have all these permissions on my Google account, does this mean Ubuntu will start syncing my Google account to Ubuntu One? Can I connect to Google Talk without granting access to my Videos, Emails and Photos to Ubuntu? What do you guys want with all my online things?

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• Recover Ubuntu grub without LiveCD - Can't boot with Ubuntu LiveCD after install Windows

  - by Paulocoghi

  I installed Windows after installing Ubuntu. But Ubuntu is still intact in its partition. I'm trying to run the Ubuntu LiveCD to recover grub, but the LiveCD no longer works. It stops the boot process and does not load completely. I can not run Ubuntu in live mode to recover grub. Is there any way to recover the grub/grub2 without the LiveCD? Edit: [Important] I've downloaded a new Ubuntu 10.10 ISO. I also did the MD5 check. It's all right. Then, I recorded this .iso and still can not load the LiveCD to the end.

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• Version Control without CVS

  - by Lo Wai Lun

  My partners and I have been building an application that requires users to authenticate with password and user ID for member registration and transaction. Very often, tasks for designing UI, Datagrid view event trigger and data access using SQL are allocated to different person. Sometimes, there are different versions to be updated but the database structure used are different If everybody finishes their own part and submit the project on their own onto the shared cloud rivers, there must be a huge cost for software maintenance and re-engineering. How should the task to be submitted so as to minimize the cost for re-engineering without the software like winCVS and Tortoise HG?

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• Alpha blending without depth writing

  - by teodron

  A recurring problem I get is this one: given two different billboard sets with alpha textures intended to create particle special effects (such as point lights and smoke puffs), rendering them correctly is tedious. The issue arising in this scenario is that there's no way to use depth writing and make certain billboards obey depth information as they appear in front of others that are clearly closer to the camera. I've described the problem on the Ogre forums several times without any suggestions being given (since the application I'm writing uses their engine). What could be done then? sort all individual billboards from different billboard sets to avoid writing the depth and still have nice alpha blended results? If yes, please do point out some resources to start with in the frames of the aforementioned Ogre engine. Any other suggestions are welcome!

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• Synaptic opens with "starting without Administrative privileges

  - by Uri Herrera

  When I try to open Synaptic from the AWN Cardapio applet menu it gives me the 'starting without administrative privileges' message and then I can't install anything. I can run sudo synaptic and it works fine, but how can I get it to just prompt me for my password like it used to? I don't like having to open terminal just to open synaptic. Any ideas? im using AWN Cardapio Applet and not the GNOME panel classic menu, so i can't just change the command in the menu, like in the classic one.

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• ALT+SysRq+REISUB hangs at "resetting" (without actually resetting/restarting) in Maverick

  - by Andrei

  I'm trying ALT+SysRq+REISUB to see how it would be used to restart my system safely in case of emergency. However, I find that ALT+SysRq+REISUB hangs at "resetting" (without actually resetting/restarting) in Maverick. All other SysRq combinations appear to work correctly (i.e. ALT+SysRq+REISU). cat /proc/sys/kernel/sysrq returns 0. But I'm not sure it's relevant because ALT+SysRq certainly works. What can I do to have "B" actually restart the system? Thanks!

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• Is data integrity possible without normalization?

  - by shuniar

  I am working on an application that requires the storage of location information such as city, state, zip code, latitude, and longitude. I would like to ensure: Location data is accurate Detroit, CA Detroit IS NOT in California Detroit, MI Detroit IS in Michigan Cities and states are spelled correctly California not Calefornia Detroit not Detriot Cities and states are named consistently Valid: CA Detroit Invalid: Cali california DET d-town The D Also, since city/zip data is not guaranteed to be static, updating this data in a normalized fashion could be difficult, whereas it could be implemented as a de facto location if it is denormalized. A couple thoughts that come to mind: A collection of reference tables that store a list of all states and the most common cities and zip codes that can grow over time. It would search the database for an exact or similar match and recommend corrections. Use some sort of service to validate the location data before it is stored in the database. Is it possible to fulfill these requirements without normalization, and if so, should I denormalize this data?

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• Python C API return more than one value / object without building a tuple [migrated]

  - by Grisu

  I got the following problem. I have written a C-Extension to Python(2.7 / 3.2) to interface a self written software library. Unfortunately I need to return two values from the function where the last one is optional. In Python I tried def func(x,y): return x+y, x-y test = func(13,4) but test is a tuple. If I write test1,test2 = func(13,4) I got both values separated. Is there a possibility to return only one value without unpacking the tuple, i.e. the second(,.. third, ..fourth) value gets neglected? And if such a solution existst, how does it look for the C-API? Because return Py_BuildValue("ii",x+y,x-y); results in a tuple as well.

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• How can I relaunch juju daemons without stop/starting local LXC VMs

  - by vaab

  I'm using juju in local mode with LXC. I updated juju on the host with a classical: apt-get install juju And had a plentyful of python errors in juju debug-log probably because juju processes weren't restarted. In order to restart juju processes, I had to do a complete: juju destroy-environment juju bootstrap which deleted all contents in /var/lib/lxc. I was warned, and this was not an issue, but will be when I'll be in a production environment. Is there a way to relaunch juju daemons without stop/starting LXC local VMs ?

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• SysRq+REISUB hangs at "resetting" (without actually resetting/restarting) in Maverick

  - by Andrei

  I'm trying SysRq+REISUB to see how it would be used to restart my system safely in case of emergency. However, I find that SysRq+REISUB hangs at "resetting" (without actually resetting/restarting) in Maverick. All other SysRq combinations appear to work correctly (i.e. SysRq+REISU). cat /proc/sys/kernel/sysrq returns 0. But I'm not sure it's relevant because SysRq certainly works. What can I do to have "B" actually restart the system? Thanks!

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• Transfer domains without disrupting local email server

  - by krosiris

  Perhaps I am thinking about this wrong, but maybe some of you guys can help me on this one. I have a client who currently has a domain from network solutions and is hosted via GoDaddy. Additionally, he his has email service with GoDaddy as well, but it seems to be forwarded to his local server at work. How can I transfer hosting accounts without disrupting email service (or at least temporarily)? Some MX info via Godaddy: A @ Points to GoDaddy Host main Points to client's home server sw Points to client's home server MX @ Points to main.example.com @ Points to smtp.secureserver @ Points to mailstore1.secureserver

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• Best way to deal with a system without a user acceptance / testing phase

  - by billy.bob

  Historically I've been able to get away with making small changes to an in-house helpdesk system riding on a LAMP stack and just making a backup prior to editing. This has no user acceptance / testing phase and I work on the live .php files directly. However now the requirement has arisen that will require a bit more coding done, and I'm obviously not particularly happy about making these changes without a framework to support me. What would the best way forward be? I could just make another backup I suppose.

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• LWJGL glRotatef() without rotating axes?

  - by Brandon oubiub

  Okay so, I noticed when you rotate around an axis, say you do this: glRotatef(90.0f, 1.0f, 0.0f, 0.0f); That will rotate things 90 degrees around the x-axis. However, it also sort of rotates the y and z axes as well. So now the y-axis is pointing in and out of the screen, instead of up and down. So when I try to do stuff like this: glRotatef(90.0f, 1.0f, 0.0f, 0.0f); glRotatef(whatever, 0.0f, 1.0f, 0.0f); glRotatef(whatever2, 0.0f, 0.0f, 1.0f); The rotations around the y and z-axes end up not how I want them. I was wondering if there is any way I can sort of rotate just the axes back to their initial position after using glRotatef(), without rotating the object back. Or something like that, just so that when I rotate around the y-axis, it rotates around a vertical axis.

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• How to change speed without changing path travelled?

  - by Ben Williams

  I have a ball which is being thrown from one side of a 2D space to the other. The formula I am using for calculating the ball's position at any one point in time is: x = x0 + vx0*t y = y0 + vy0*t - 0.5*g*t*t where g is gravity, t is time, x0 is the initial x position, vx0 is the initial x velocity. What I would like to do is change the speed of this ball, without changing how far it travels. Let's say the ball starts in the lower left corner, moves upwards and rightwards in an arc, and finishes in the lower right corner, and this takes 5s. What I would like to be able to do is change this so it takes 10s or 20s, but the ball still follows the same curve and finishes in the same position. How can I achieve this? All I can think of is manipulating t but I don't think that's a good idea. I'm sure it's something simple, but my maths is pretty shaky.

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• Move website from host a to host b without down time dns change

  - by grigione

  I would like to move my website from host A to host B I have uploaded a copy of my site to the new host, while keeping the old copy in place with the old host I will need to update the nameservers to point to the new nameservers. I'll want to change the DNS settings of domain name to point to new host b To avoid down time for the DNS change to propagate through the net, can I add the old nameservers and new nameservers together without causing problems, or must I delete the old nameservers first? What happens to my website when it points to two different nameservers?

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• How to recover password without restart

  - by Felix Erasmus

  So I recently installed Ubuntu on this computer, I just started using it today for the 2nd time, I needed to install some video plugins to use for the web and it asked me for a password. I do not remember ever setting a password during installation, and I am not asked for a password to login either. As far as I knew I never had a password before, is there a way to recover the user password from within ubuntu without entering into recovery mode? I do not see why I need to restart as I never need a password to start up the computer and log in...

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• Adding new events to be handled by script part without recompilation of c++ source code

  - by paul424

  As in title I want to write an Event system with handling methods written in external script language, that is Angelscript. The AS methods would have acess to game's world modifing API ( which has to be regsitered for Angelscript Machine as the game starts) . I have come to this problem : if we use the Angelsript for rapid prototyping of the game's world behavior , we would like to be able to define new Event Types, without recompiling the main binary. Is that ever possible , don't stick to Angelscript, I think about any possible scripting language. The main thought is this : If there's some really new Event possible to be constructed , we must monitor some information coming from the binary, for example some variable value changing and the Events are just triggered on some conditions on those changes , wer might be monitoring the Creatures HP, by having a function call on each change, there we could define new Events such as Creature hurt, creature killed, creature healed , creature killed and tormented to pieces ( like geting HP very much below 0 ) . Are there any other ideas of constructing new Events at the scripting side ?

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• How can I install wireless drivers without internet?

  - by Ruben

  [Ubuntu 12.04 LTS] I have a HP Pavilion dv6 and I need a Broadcom driver (closed source) to access the internet. However, I need to download that, which I am unable to do because I do not have internet access. My ethernet port has always been broken and I have not been able to access the internet since I installed Ubuntu. I need to find a way for me to install those drivers desperately. I still have Ubuntu on my USB, which for some reason, did have the ability to install that driver (I think it's due to the fact that it already has it somewhere in the files). On my USB Ubuntu, I have that particular driver installed. I was thinking that if one of you knows where drivers are installed, I could locate those files on the USB Ubuntu, then plug in an additional USB to copy them; restart my computer to the harddrive Ubuntu and then install the files from the (additional) USB. I would really appreciate help since to me a computer without internet is useless.

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• DX11 - Weird shader behavior with and without branching

  - by Martin Perry

  I have found problem in my shader code, which I dont´t know how to solve. I want to rewrite this code without "ifs" tmp = evaluate and result is 0 or 1 (nothing else) if (tmp == 1) val = X1; if (tmp == 0) val = X2; I rewite it this way, but this piece of code doesn ´t word correctly tmp = evaluate and result is 0 or 1 (nothing else) val = tmp * X1 val = !tmp * X2 However if I change it to: tmp = evaluate and result is 0 or 1 (nothing else) val = tmp * X1 if (!tmp) val = !tmp * X2 It works fine... but it is useless because of "if", which need to be eliminated I honestly don´t understand it Posted Image . I tried compilation with NO and FULL optimalization, result is same

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• forked-daapd without avahi

  - by vixducis

  I'm trying to setup forked-daapd, but i'd prefer it if i could run it without avahi (or rather define my own avahi service instead of using the dbus api). The reason is that i want a netatalk share for my time machine backups and a samba share for the symbolic link support (netatalk doesn't support symlinks). Those two are defined as different services in avahi. To make that work, i have to disable avahi's dbus api, or else netatalk tends to take over all the services (osx prefers afp over smb). If I now try to start forked-daapd, it just doesn't. Forked-daapd requires avahi's dbus api to be enabled and running. Is there some sort of way around this limitation, so that i can manually define my own daap service in avahi. Maybe something like enabling but ignoring the dbus in avahi, or launching a duplicate avahi daemon with a different config file?

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