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• Asking about deleted partition at boot

  - by Shawn Mitchell

  I have Ubuntu installed through Wubi. I also had another partition on my computer to try out the dev preview of Windows 8 aptly named Windows_8. After I was done playing, I deleted the Windows 8 partition and added the extra space back to my Win7/Wubi partition. Now every time I boot into Ubuntu, it tells me that it can't mount the partition and asks me if I want to recover or skip it. Is there a way to get Ubuntu to forget about this partition so I can skip this extra step in my boot? Thanks

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• design for a parser to handle very large files

  - by user619818

  I have written a program which records protocol messages between an application and a hardware device which matches each application request with each hardware response. This is so that I can later remove the hardware, connect a 'replay' application to the main application and wait for an application request and reply with a matched copy of the requisite hardware reply message. My replay application saves the matched request/response in a list (using C++ std::list). This works fine on a small interaction session. My problem now is that I need to be able to use the replay over a long long session. With my current implementation, the replay program eventually uses up all available memory on my computer and crashes. So I need some sort of lookahead - and not parse the whole session in one go. Can anyone make any suggestions on how to get started?

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• Copy and Paste problems in Visual Studio 2010

  tweetmeme_source = 'alpascual';After installing Visual Studio 2010 I started having problems with Copy and Paste. Trying to find out how many users are being affected by this bug. The use case to reproduce the bug, just using VS2010 for a few minutes and eventually doing Control C and Control V to copy lines of code does not work. Using the menu to do the copy and paste also wont work. Looks like a problem in the clipboard itself IMHO. The set up of my computer. Windows 7 Professional with 4...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Rendering problems with Java LWJGL

  - by pangaea

  I'm new to rendering and so I don't know if I can speed up the code or that what I'm doing is bad. This is what it looks like But, if I have say 100-200 triangles everything is fine. Yet, when I get to 400 triangles it becomes very laggy. At 1,000 triangles it becomes 5fps at max. Also, when I try to close it everything becomes extremely laggy and the game breaks my computer. Is this normal? The code is here http://pastebin.com/9N6qdEbd game http://pastebin.com/fdkSrPGT mobs I haven't even adding collision detection.

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• Ubuntu - prettier bootloader

  - by Matthew

  I hate how when I turn on the computer it just (after the hp logo, which I hate having also), shows white text on a black background. I'm wondering if there's easy ways to customize this (I'm choosing between Windows 7 and two separate Ubuntu 10.10 installs). I've read a little about some complicated ways to do this, but is there not some simpler ways by installing a package on ubuntu or something? I don't want to hack a bunch of code together to get a simple effect. I'm hoping for actual images and having like the windows 7 logo and ubuntu logo to choose from. Ideas?

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• The JCP Celebrates 15 Years in 2014

  - by Heather VanCura

  The JCP Program is celebrating fifteen years of collaborative work from companies, academics, individual developers and not-for-profits from all over the world who have come together to develop Java technology through the JCP.  In June, we held a party at the Computer History Museum in Mountain View, California in conjunction with the Silicon Valley Java User Group (SVJUG). You can check out the Nighthacking videos and pictures from the party: Video Interview with James Gosling Video Interview with Van Riper & Kevin Nilson Video Interview with Rob Gingell If you missed the party, we have kits for Java User Groups (JUG) to order to celebrate with your Java User Group (JUG) in 2014.  Fill out the order form and we will send a presentation, party favors, posters and a raffle item for your local JUG 15 year JCP Celebration! And next month we will have another celebration during the annual JavaOne Conference in San Francisco.  The JCP Party & Awards ceremony will be Monday, 29 September at the Hilton in Union Square.  Reserve your ticket early!

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• Loud fans despite cool system under Linux (but not Windows)

  - by Sman789

  My new desktop computer runs almost silently under Windows, but the fans seem to run on a constantly high setting under Linux. Psensor shows that the GPU (with NVidia drivers) is thirty-something degrees and the CPU is about the same, so it's not just down to Linux somehow being more processor-intensive. I've read that the BIOS controls the fans under Linux, which makes sense given the high fan speeds when in BIOS as well. It's under Windows, when the ASUS AI Suite 3 software seems to take control, that the system runs more quietly and only speeds the fans up when required. So is there a Linux app which offers a similar dynamic control of the fans, or a setting hidden somewhere in the ASUS BIOS which allows the same but regardless of the OS? EDIT - I've tried using lm-sensors and fancontrol, but pwmconfig tells me "There are no pwm-capable sensor modules installed". This is after the sensors-detect command does find an 'Intel digital thermal sensor', and despite the sensors working fine in apps like psensor. Help getting this to work would likely solve the problem.

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• Keyboard freezes when xorg crashes

  - by gsedej

  Situation is like that. Many times has happened that Xorg freezes and with it also keyboard. Quite some times because of some Compiz effects or Flash (fullscreen switch). Keyboard becomes totaly unresponsive, while mouse still works (I can move cursor, but can't click since desktop freezes) and music still plays and I can connect trough ssh. This is the only way I know I can try to solve problem - either by killing browser&flash or lastly restarting xorg server. This problem appears on more than one Ubuntu computer. My home dekstop with proprietery nvidia driver, on my work where I use noveau driever (opensource driver for geforce) and sometimes (but rarely) also on laptop with ATI graphics (using r300g driver which is really good!). Can someone explains why mouse still works while I can't input from keyboard? (I can't switch to virtual console or do R-E-I-S-U-B command) I have USB keyboard and USB mouse.

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• Inexpensive Business Checks

  - by Randy Walker

  One of the most annoying things when setting up a business is paying the outrageous fees for business checks.  When starting out, rather than pay the $150 for the handful of computer printable checks, I had bought software that would create the checks for me.  But if you didn’t know, those little digits at the bottom of a check are magnetically encoded and requires special ink. Fortunately, my current bank has one of the best bill pay websites, so I have exclusively used it.  But since I recently had to open a new bank account, I went off in search of a cheap alternative for business checks.  A bit wary of some of the printers, I opted for TechChecks and was extremely surprised a few days later when my checks arrived in perfect condition.  (I recommend the diamond prismatic red-blue-green checks.  Beautiful and very professional looking.) It was perfect timing as well, since I now have to reorder some checks for another account.

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• 12.10: How to hide bind mounts in nautilus?

  - by Bazon

  Summary: How do I remove folders mounted via bind or bindfs in /etc/fstab from appearing as devices in nautilus left column, the "places" view? detailed: Hello, I mount various directories from my data partition via bind in /etc/fstab in my home directory, eg like this: #using bind: /mnt/sda5/bazon/Musik /home/Bazon/Musik none bind,user 0 0 #or using bindfs bindfs#/mnt/sda5/tobi/Downloads /home/tobi/Downloads fuse user 0 0 (Background: /dev/sda5 mounted to /mnt/sda5 is my old home partition, but I do not want to mount it as a home partition, as I always have at least 2 Linuxes on the computer ...) That works well, but since 12.10 every one of those items is listed in Nautilus in the left column under "Devices". (Where normally USB drives appear, etc.) This is a waste of space (as I have many of such mounts...) and so I would like to have these mounts hidden, just as it was before in 12.04. How can I do that? Thanks!

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• What route to take to become a systems developer?

  - by Ramin

  In the past I have done a lot of Java and Python coding. Mostly, I worked on web apps and some simple console or gui apps. I also have a formal education in computer science. What route should I take to become a systems developer? I always did like C++, but never had a chance to use it for anything. Would mastering C++ be one of the steps? If so what resources can you suggest? Also, I would like to know how much different is the work between plain old development and systems development. There seem to be a lot of overlapping between the two.

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• how to recover deleted ntfs patition with data entirely while installing ubuntu 13.04

  - by Anson Varghese

  I've installed ubuntu 13.04 onto my hp 2231tx computer. During installation all of my data was erased. I didn't know all of my three partitions would be deleted. I was shocked after finding out that all of my personal data was erased. I didn't know what to do to resolve this problem so I search google for an answer. I found a program called testdisk and I used it to recover about half of my data. Among this data weren't my personal photos and videos. Is there a way to recover the other half?

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• How do I stop Ubuntu Precise freezing/hanging

  - by artfulrobot

  At least once a day I lose work on my (2 different) Intel i5 machines running Ubuntu 12.04. The entire system will freeze/lock-up/hang, and never return. At this point nothing works; even the caps lock key doesn't toggle the light on the keyboard; Ctrl-Alt-F1 won't do anything either. askubuntu.com is apparently where I'm directed for support. I suspect this is a kernel bug. But I simply can't keep losing work like this, so I'm anxious to try whatever it takes to get the thing reliably working. Can you suggest something I can try to fix the problem an existing bug I can follow progress on and contribute to (from users/tester's POV) the most constructive way I can contribute to helping fix the problem, keeping in mind that I do need the computer (so can't do things that might "brick" it!)

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• Dual monitor working incorrectly on a Dell XPS 8300 with an AMD Radeon HD 6450

  - by John

  I have been having trouble with Ubuntu on my Dell XPS 8300 (Actual image of the desktop). I have heard that the AMD Radeon HD 6450 has trouble with Ubuntu, and I believe that it is the source of the problem (though I am no expert by any means). When I boot the computer and choose to run Ubuntu, on a rare occasion both monitors (I have an AOC and a Samsung) will display their correct desktops, however most of the time, one of the desktops will be shifted away from its proper position and awkwardly positioned on the screen (showing the login box in the middle/right etc). If anyone has any advice on how to fix this, that would be greatly appreciated.

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• Desktop sharing options for Ubuntu 12.04 with Unity

  - by Stefan Buynov

  I would like to be able to access my office Ubuntu 12.04 machine from home, from a Mac Mini with Mac OSX. I have a VPN and I am able to access my office machine over SSH, so connectivity is not a problem. I browsed other questions, and it seems that there are several options: VNC XRDP FreeNX (haven't heard this one before) Are there any other? I have been using Remote Desktop on Windows before, and I actually like it. Not sure how well is XRDP implemented. I also used VNC several years back, and I didn't like its performance back then - not sure if things have changed since then. As I said above, the machine I want to access is running Ubuntu 12.04, with Unity. And I am using Unity by choice - I really like it and would like to continue using it :) The client computer is running Mac OSX (Snow Leopard). Based on your previous experience what is the best setup for this environment?

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• windows 8.1 crash after restart

  - by user314338

  I have installed dual boot wind8.1 with ubuntu 14.04. when I turn on the computer from a complete shut down status, everything is alright and I can access both win 8.1 and ubuntu from grub. but when I restart from win or ubuntu, if I choose win in grub menu, the system crashes without even entering the windows welcome screen! it just stays on a dark messed up page and I have to shutdown the system by keeping the power button. I tried to reinstall ubuntu and also using boot-repair, non worked!

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• Sponsored Giveaway: Free Copies of WinX DVD Ripper Platinum for All How-To Geek Readers

  - by The Geek

  Have you ever wanted to watch a movie on your iPad, iPhone, Android tablet, or even your computer… without having to pay to download it from iTunes? You can easily convert DVDs to digital formats using WinX DVD Ripper Platinum, and we’re giving away free copies to all How-To Geek readers. To get your free copy, just click through the following link to download and get the license code, as long as you download it by November 27th. For Windows users: http://winxdvd.com/giveaway/ For Mac users: http://www.macxdvd.com/giveaway/giveaway.htm   Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder? Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It How To Delete, Move, or Rename Locked Files in Windows

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• Distribution upgrade made Ubuntu unusable

  - by Lassi

  I installed today a distribution update from 11.10 to 12.04. This however basically ruined the whole OS. After update I lost all the window borders, icons and even access to the internet. I'm also unable to use the default window manager and I had to use the old gnome. The computer is Acer Aspire 5738G laptop, Intel Pentium T4500, Ati Mobility Radeon HD 560v, 4Gb DDR 3. I am using the open source drivers, not proprietary. Does anyone have any idea what could've happened, and how could I fix this. Help is highly appreciated

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• In which directory to write game save files/data?

  - by Klaim

  I need a definite list of directories, one or more per platform, where to put game save files and other game generated data. Either based no the OS developer specification, or because it is common usage if there is no recommandation. Please provide one answer per platform, with different directories. Also, example of how to get the directory location in C++ or C is best, as it's the language you'll have more hard time. Locations: Player's game data (saved games, config). Shared game data (like high-score or config for all computer users). Temporary game data (aka cache directory).

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• downgrade ppa packages to versions available at a previous point in time

  - by Will

  The backstory is that the normal Intel GPU drivers don't do the various OpenGL extensions that my hobby coding and some games want. So I have to install xorg-edgers and then its happy. However, last Wednesday or so there was an update to xorg-edgers - lots of packages - and it broke badly; the drivers lock up and take the whole computer with them; hard reset required. So how can you downgrade - select package versions in a PPA that represent a point in the past, ignoring versions newer than that?

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• Team Fortress 2 Is Now Free [Gaming]

  - by Jason Fitzpatrick

  Wildly popular computer game Team Fortress 2 is now free Previously $10, Valve dropped the price for Team Fortress 2 to $0. The new model is a “freemium” one wherein the majority of the game is free but you can purchase small upgrades in-game (like expanding your backpack from 50 slots to 300 slots to hold more gear or purchasing items instead of searching them out in the game). Check out the trailer and then hit up the link below to grab a copy. Team Fortress 2 [via Mashable] What is a Histogram, and How Can I Use it to Improve My Photos?How To Easily Access Your Home Network From Anywhere With DDNSHow To Recover After Your Email Password Is Compromised

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• Fan very loud in Ubuntu 12.10

  - by Jon

  I recently installed 12.10 on my Desktop PC, moving away from Windows 7. For some reason, the fan in my computer is making an enormous amount of noise (it is running at full speed constantly). Under Windows 7, the fan would slow itself down and run at an acceptable noise level. Now, it is nearly unbearable. Checked the processes, and none are taking up a huge load on the CPU. Please help as I really can't endure this noise, and I do not want to go back to Windows 7 on this box. Some specs: - Intel 2.26 duo core - ATI 4870 - 4GB - 650W power supply

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• converting 2d grid of squares to polygon nav mesh

  - by Roflha

  I haven't actually started programming for this one yet, but I wanted to see how I would go about doing this anyway. Say I have a 2D matrix of squares, all of the same size, some traversable and some not. How would I go about creating a navigation mesh of polygons from this grid. Is there any reading I can look at until I get a chance to get to my computer or should I just give it a go. My idea was to take the non-traversable squares out and extend lines from there edges to make polygons.. that's all I have got so far. Any advice?

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• How to prevent code from leaking outside work?

  - by AeroCross

  I'm working on an institution that has a really strong sense of "possession" - each line of software we write should be only ours. Ironically, I'm the only programmer (ATM), but we're planning in hiring others. Since my bosses wouldn't count the new programmers as people they can trust, they have an issue with the copies of the source code. We use Git, so they would have a entire copy of each of the projects they work on, when they clone the repository. We can restrict access to them to a single key with Gitolite and bind that to their PC's, but they can copy those keys to another computer and they would have the repository access in another PC. Also (and the most obvious method) they could just upload the files somewhere else, add another remote, or just copy the files to an USB drive. Is there any (perhaps clever) way to prevent events like these?

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• How do I get the Grub menu back after installing Windows on a separate disk?

  - by Shazzner

  Tried sudo grub-install on sda1 but it complained about being a BAD IDEA. I had to install windows for a work related issue so I used a separate disk (I had used it for ubuntu on this computer, but bought a bigger disk so installed ubuntu on that and left the old one in in case I needed an old file). Windows installed fine but overwrote Grub. So if I choose the Ubuntu disk to boot first in BIOS I get a blank screen. I googled and followed this advice: https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindows However, when I get down to this section: sudo grub-install --root-directory=/media/0d104aff-ec8c-44c8-b811-92b993823444 /dev/sda1 I get this: Attempting to install GRUB to a partition instead of the MBR. This is a BAD idea… --recheck does nothing. Any ideas?

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