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  • Why doesn't Wolfram Workbench work on 64-bit Ubuntu?

    - by Ian Hincks
    I have downloaded the shell script (Workbench_2.0.0_LINUX.sh), I have run it as root with it giving no complaints, relevant looking files have appeared in /usr/local/Wolfram/WolframWorkbench/2.0/ and it has created the executable "WolframWorkbench" in /usr/local/bin. However, when I run WolframWorkbench from terminal it spits out /usr/local/bin/WolframWorkbench: 46: exec: /usr/local/Wolfram/WolframWorkbench/2.0/WolframWorkbench: not found That file does indeed exist, and is executable. I have also tried running it directly, and I have also tried running the /usr/local/Wolfram/WolframWorkbench/2.0/Executables/WolframWorkbench too. Is there something I'm missing? (I am running Ubuntu 12.04 64bit with openjdk7)

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  • Best design for a memory resident tool

    - by Andrew S.
    I apologize if this tends more toward design that programming, but here goes. What design would you recommend for a database that is Memory resident Must run on windows, linux and (at a stretch) the mac Accept multiple queries simultaneously Have minimum overhead, since a search is expected to take <0.25s This program implements a domain-specific search. Think of it as a database, but one that takes advantage of domain specific information to outperform a convential database search (for example, with custom oracle indexing). We have a custom data structure for our data. Our protoype is a simple exe that constructs the database in memory each time it is run. We were thinking that perhaps this program would suffice, but augmented with sockets so it can listen for queries. This database will be static. Its contents will change infrequently. We expect queries, and the solution, to be delivered via a web service.

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  • Ubuntu 12.04 Automounting ntfs partition

    - by kuzyt
    Ive looked everywhere to fix this problem but I cant seem to figure out why its doing this. I have the following /etc/fstab entry to mount a ntfs partition using ntfs-3g. UUID=01CD842715EC2180 /media/mediahd02 ntfs defaults,user,noexec,uid=1000,gid=1000,dmask=007,fmask=117 0 2 The volume label for this partition is "MEDIA02" So I have had no problems with the fstab mounting. The problem however is that it automounts again using MEDIA02 label. I'm not sure automounting is the right term for this as its just an empty directory. Deleting this directory and rebooting is causing it to appear again. So listing /media I see both MEDIA02 & mediahd02 htpc@htpc:~$ cat /etc/fstab # /etc/fstab: static file system information. # # Use 'blkid' to print the universally unique identifier for a # device; this may be used with UUID= as a more robust way to name devices # that works even if disks are added and removed. See fstab(5). # # <file system> <mount point> <type> <options> <dump> <pass> proc /proc proc nodev,noexec,nosuid 0 0 # / was on /dev/sdf1 during installation UUID=ec027544-b0e7-4145-99a4-905543a9781a / ext4 errors=remount-ro,noatime,discard 0 1 # swap was on /dev/sdf5 during installation UUID=1794409e-723f-41ac-9f31-ae059f377613 none swap sw 0 0 # Added all the lines below this tmpfs /tmp tmpfs defaults,noatime,mode=1777 0 0 UUID=0F70-3B06 /media/mediahd01 vfat defaults,user,noexec,uid=1000,gid=1000,dmask=007,fmask=117 0 2 UUID=01CD842715EC2180 /media/mediahd02 ntfs defaults,user,noexec,uid=1000,gid=1000,dmask=007,fmask=117 0 2 htpc@htpc:~$ cat /etc/mtab /dev/sdc1 / ext4 rw,noatime,errors=remount-ro,discard 0 0 proc /proc proc rw,noexec,nosuid,nodev 0 0 sysfs /sys sysfs rw,noexec,nosuid,nodev 0 0 none /sys/fs/fuse/connections fusectl rw 0 0 none /sys/kernel/debug debugfs rw 0 0 none /sys/kernel/security securityfs rw 0 0 udev /dev devtmpfs rw,mode=0755 0 0 devpts /dev/pts devpts rw,noexec,nosuid,gid=5,mode=0620 0 0 tmpfs /tmp tmpfs rw,noatime,mode=1777 0 0 tmpfs /run tmpfs rw,noexec,nosuid,size=10%,mode=0755 0 0 none /run/lock tmpfs rw,noexec,nosuid,nodev,size=5242880 0 0 none /run/shm tmpfs rw,nosuid,nodev 0 0 /dev/sdc1 /media/usbhd-sdc1 ext4 rw,relatime 0 0 /dev/sdb1 /media/mediahd02 fuseblk rw,noexec,nosuid,nodev,allow_other,default_permissions,blksize=4096 0 0 /dev/sda5 /media/mediahd01 vfat rw,noexec,nosuid,nodev,uid=1000,gid=1000,dmask=007,fmask=117 0 0 /dev/sdh1 /media/Windows_7 fuseblk rw,nosuid,nodev,allow_other,blksize=4096 0 0 Can someone shed some light as to why its doing this ?

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  • No sound while playing multi-media in Ubuntu 12.04 for XPS15

    - by ved2254
    I have an XPS15 laptop, core i5, 8GB ram. Whenever I login my laptop I here the startup bongo sound. But my sound system just doesn't play anything, may it be a short audio clip or a movie. Output of lshw -c multimedia is : WARNING: you should run this program as super-user. *-multimedia description: Audio device product: 6 Series/C200 Series Chipset Family High Definition Audio Controller vendor: Intel Corporation physical id: 1b bus info: pci@0000:00:1b.0 version: 05 width: 64 bits clock: 33MHz capabilities: bus_master cap_list configuration: driver=snd_hda_intel latency=0 resources: irq:51 memory:f1c00000-f1c03fff WARNING: output may be incomplete or inaccurate, you should run this program as super-user. Headphones work just fine but there is no sound from the speakers. Is it a bug in multi-media players or ALSA?

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  • WebLogic Partner Community Newsletter May 2014

    - by JuergenKress
    Dear WebLogic Partner Community member, Registration for the Fusion Middleware Summer Camps 2014 is open – Register asap for one of our bootcamps August 4th – 8th 2014 in Lisbon. Please read details and pre-requisitions careful before you register. We expect that like in the past, the conference will be booked out soon! Thanks to you our WebLogic Specialized Partners Oracle is #1 for Worldwide Market-Share Total Software Revenue in the Application Platform Market Segment for 2013. Want to know why, get the new recipes for Oracle WebLogic 12.1.2. Looking for the right server to run WebLogic – try WebLogic on Oracle Database Appliance 2.9. Want to install WebLogic - Play around with WebLogic Maven Plug-In. Thanks for sharing all the additional WebLogic articles within the community: How to use NodeManager to control WebLogic Servers & Retrieving WebLogic Server Name and Port in ADF Application & Glassfish to WebLogic Migration & Advanced GPIO & Building Robots with Java Embedded & Quick & Dirty How-to Guide: Install GlassFish 4 on Raspberry Pi & New Release: Java Micro Edition (ME) 8. In our Development tool section Frank published Development - Performance and Tuning - Overview in the latest ADF Architecture TV channel. Many of our clients run forms applications, make sure you run it on WebLogic. Thanks for sharing all the additional development tool articles within the community: Using Oracle WebLogic 12c with NetBeans IDE & Consuming SOAP Service & Check Box Support in ADF Query & New release of the ADF EMG Audit Rules & Working with the Array Data Type in a Table & ADF client-side architecture - Select All & Book Review: NetBeans Platform for Beginners See you in Lisbon! To read the complete newsletter please visit http://tinyurl.com/WebLogicNewsMay2014 (OPN Account required) To become a member of the WebLogic Partner Community please register at http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: WebLogic Community newsletter,newsletter,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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  • PlayOnLinux Unable to find 32bit opengl libraries Dual ATI Videocards

    - by Rodolfo Pires
    Im curently running Ubuntu 12.04 LTS 64Bit So, i installed league of legends fine the first time with the opensource ATI Drivers provided by ubuntu itself with no issues at all, but it runs so slow ... max 20fps because those drivers dont fully support my Dual Graphic cards Than i restored system and i installed the Linux Version of the Proper ATI Drivers from the AMD Website wich supports my APU AMD-A8-4500M with the AMD Radeon 7640G + 7670M Graphics Cards enabling me full performance from my system .. Problem is, to run League of Legends i need a 32bit opengl library, and the driver, automaticly detects a 64bits Linux install and loads the 64bit libraries but not the 32 ones . i need some kind of command, to force the 32bit libraries to load, or to make League of Legends run on the 64 ones .. Im kinda noob to ubuntu .. i installed the 32 bits ones trough terminal and still doesnt work idk why, maybe the driver doesnt want to load them .. plzz help me on this, i dont want to go back to windows just to play league since im noob idk what more details to post here so plz tell me what do you need

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  • Parallel MSBuild FTW - Build faster in parallel

    - by deadlydog
    Hey everyone, I just discovered this great post yesterday that shows how to have msbuild build projects in parallel Basically all you need to do is pass the switches “/m:[NumOfCPUsToUse] /p:BuildInParallel=true” into MSBuild. Example to use 4 cores/processes (If you just pass in “/m” it will use all CPU cores): MSBuild /m:4 /p:BuildInParallel=true "C:\dev\Client.sln" Obviously this trick will only be useful on PCs with multi-core CPUs (which we should all have by now) and solutions with multiple projects; So there’s no point using it for solutions that only contain one project.  Also, testing shows that using multiple processes does not speed up Team Foundation Database deployments either in case you’re curious Also, I found that if I didn’t explicitly use “/p:BuildInParallel=true” I would get many build errors (even though the MSDN documentation says that it is true by default). The poster boasts compile time improvements up to 59%, but the performance boost you see will vary depending on the solution and its project dependencies.  I tested with building a solution at my office, and here are my results (runs are in seconds): # of Processes 1st Run 2nd Run 3rd Run Avg Performance 1 192 195 200 195.67 100% 2 155 156 156 155.67 79.56% 4 146 149 146 147.00 75.13% 8 136 136 138 136.67 69.85%   So I updated all of our build scripts to build using 2 cores (~20% speed boost), since that gives us the biggest bang for our buck on our solution without bogging down a machine, and developers may sometimes compile more than 1 solution at a time.  I’ve put the any-PC-safe batch script code at the bottom of this post. The poster also has a follow-up post showing how to add a button and keyboard shortcut to the Visual Studio IDE to have VS build in parallel as well (so you don’t have to use a build script); if you do this make sure you use the .Net 4.0 MSBuild, not the 3.5 one that he shows in the screenshot.  While this did work for me, I found it left an MSBuild.exe process always hanging around afterwards for some reason, so watch out (batch file doesn’t have this problem though).  Also, you do get build output, but it may not be the same that you’re used to, and it doesn’t say “Build succeeded” in the status bar when completed, so I chose to not make this my default Visual Studio build option, but you may still want to. Happy building! ------------------------------------------------------------------------------------- :: Calculate how many Processes to use to do the build. SET NumberOfProcessesToUseForBuild=1  SET BuildInParallel=false if %NUMBER_OF_PROCESSORS% GTR 2 (                 SET NumberOfProcessesToUseForBuild=2                 SET BuildInParallel=true ) MSBuild /maxcpucount:%NumberOfProcessesToUseForBuild% /p:BuildInParallel=%BuildInParallel% "C:\dev\Client.sln"

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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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  • Translating to Bash Command

    - by user3424684
    So for a project for school I had to install the DPJ extension to the Java language. I downloaded and unpacked a tarball containing the files, and then was told to run the following: setenv DPJ_ROOT ${Home}/dpjbin setenv PATH ${PATH}:${DPJ_ROOT}/Implementation/bin How do I do these commands using bash? I know I have to open up the /etc/profile file and add 2 lines (or for the PATH one do I just append something to the top line of the file after a colon?). Any help in how to do this would be appreciated. If it helps I run Ubuntu 14.04 on Virtualbox (and have little to no experience)

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  • Unit testing - getting started

    - by higgenkreuz
    I am just getting started with unit testing but I am not sure if I really understand the point of it all. I read tutorials and books on it all, but I just have two quick questions: I thought the purpose of unit testing is to test code we actually wrote. However, to me it seems that in order to just be able to run the test, we have to alter the original code, at which point we are not really testing the code we wrote but rather the code we wrote for testing. Most of our codes rely on external sources. Upon refactoring our code however, even it would break the original code, our tests still would run just fine, since the external sources are just muck-ups inside our test cases. Doesn't it defeat the purpose of unit testing? Sorry if I sound dumb here, but I thought someone could enlighten me a bit. Thanks in advance.

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  • CUDA instructions ask to stop GDM but it doesn't exist

    - by Gabs
    I am trying to install and run some CUDA exemples in Ubuntu 12.04. First of all, I downloaded all .run files from http://developer.nvidia.com/cuda-downloads, then followed the instructions at http://developer.nvidia.com/nvidia-gpu-computing-, until I got hung up on the first step: Exit the GUI if you are in a GUI environment by pressing Ctrl-Alt-Backspace. Some distributions require you to press this sequence twice in a row; others have disabled it altogether in favor of a command such as sudo /etc/init.d/gdm stop . Still others require changing the system runlevel using a command such as /sbin/init 3 to exit the GUI. When I type the command sudo /etc/init.d/gdmstop, it returns: gdm command not found Can anybody help me exit my GUI in order to continue? Thank you in advance.

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  • Tired of windows. How Can Switch to Ubuntu ?

    - by Noah
    Im thinking strongly about starting to use Ubuntu. I am tired of windows and how every computer i get/have runs with it. I'm not real good with computers, but I'm good enough for my needs. Ive used Ubuntu in the past of a friends computer and always pretty impressed with what he could make it do, look like, and the fact that was able to run windows along with it. His computer never crashed or got viruses. That sounds like something i could get used to. Id like to here what some of you think.Also I keep reading about a live cd that allows you to run Ubuntu with windows to basically try it and not have to commit. If so how can I get that. i havent been able to find it anywhere.

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  • apt-get not working

    - by Dave Daniels
    Everything I try with apt-get fails. I am installing Ubuntu server for the first time. It is version 12.04 LTS. When I run: apt-get update I get failed to fetch http://gb.whatever goes here...... If I run apt-get install install build-essential I get "unable to locate package build-essential" I have looked at the sources.list but do not know what should and shouldn't be in there. This is the current content of sources.list: # See help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. deb http://gb.archive.ubuntu.com/ubuntu precise main restricted deb-src http://gb.archive.ubuntu.com/ubuntu precise main restricted ## Major bug fix updates produced after the final release of the ## distribution. deb http://gb.archive.ubuntu.com/ubuntu precise-updates main restricted deb-src http://gb.archive.ubuntu.com/ubuntu precise-updates main restricted

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  • Meet the New Windows Azure

    - by ScottGu
    Today we are releasing a major set of improvements to Windows Azure.  Below is a short-summary of just a few of them: New Admin Portal and Command Line Tools Today’s release comes with a new Windows Azure portal that will enable you to manage all features and services offered on Windows Azure in a seamless, integrated way.  It is very fast and fluid, supports filtering and sorting (making it much easier to use for large deployments), works on all browsers, and offers a lot of great new features – including built-in VM, Web site, Storage, and Cloud Service monitoring support. The new portal is built on top of a REST-based management API within Windows Azure – and everything you can do through the portal can also be programmed directly against this Web API. We are also today releasing command-line tools (which like the portal call the REST Management APIs) to make it even easier to script and automate your administration tasks.  We are offering both a Powershell (for Windows) and Bash (for Mac and Linux) set of tools to download.  Like our SDKs, the code for these tools is hosted on GitHub under an Apache 2 license. Virtual Machines Windows Azure now supports the ability to deploy and run durable VMs in the cloud.  You can easily create these VMs using a new Image Gallery built-into the new Windows Azure Portal, or alternatively upload and run your own custom-built VHD images. Virtual Machines are durable (meaning anything you install within them persists across reboots) and you can use any OS with them.  Our built-in image gallery includes both Windows Server images (including the new Windows Server 2012 RC) as well as Linux images (including Ubuntu, CentOS, and SUSE distributions).  Once you create a VM instance you can easily Terminal Server or SSH into it in order to configure and customize the VM however you want (and optionally capture your own image snapshot of it to use when creating new VM instances).  This provides you with the flexibility to run pretty much any workload within Windows Azure.   The new Windows Azure Portal provides a rich set of management features for Virtual Machines – including the ability to monitor and track resource utilization within them.  Our new Virtual Machine support also enables the ability to easily attach multiple data-disks to VMs (which you can then mount and format as drives).  You can optionally enable geo-replication support on these – which will cause Windows Azure to continuously replicate your storage to a secondary data-center at least 400 miles away from your primary data-center as a backup. We use the same VHD format that is supported with Windows virtualization today (and which we’ve released as an open spec), which enables you to easily migrate existing workloads you might already have virtualized into Windows Azure.  We also make it easy to download VHDs from Windows Azure, which also provides the flexibility to easily migrate cloud-based VM workloads to an on-premise environment.  All you need to do is download the VHD file and boot it up locally, no import/export steps required. Web Sites Windows Azure now supports the ability to quickly and easily deploy ASP.NET, Node.js and PHP web-sites to a highly scalable cloud environment that allows you to start small (and for free) and then scale up as your traffic grows.  You can create a new web site in Azure and have it ready to deploy to in under 10 seconds: The new Windows Azure Portal provides built-in administration support for Web sites – including the ability to monitor and track resource utilization in real-time: You can deploy to web-sites in seconds using FTP, Git, TFS and Web Deploy.  We are also releasing tooling updates today for both Visual Studio and Web Matrix that enable developers to seamlessly deploy ASP.NET applications to this new offering.  The VS and Web Matrix publishing support includes the ability to deploy SQL databases as part of web site deployment – as well as the ability to incrementally update database schema with a later deployment. You can integrate web application publishing with source control by selecting the “Set up TFS publishing” or “Set up Git publishing” links on a web-site’s dashboard: Doing do will enable integration with our new TFS online service (which enables a full TFS workflow – including elastic build and testing support), or create a Git repository that you can reference as a remote and push deployments to.  Once you push a deployment using TFS or Git, the deployments tab will keep track of the deployments you make, and enable you to select an older (or newer) deployment and quickly redeploy your site to that snapshot of the code.  This provides a very powerful DevOps workflow experience.   Windows Azure now allows you to deploy up to 10 web-sites into a free, shared/multi-tenant hosting environment (where a site you deploy will be one of multiple sites running on a shared set of server resources).  This provides an easy way to get started on projects at no cost. You can then optionally upgrade your sites to run in a “reserved mode” that isolates them so that you are the only customer within a virtual machine: And you can elastically scale the amount of resources your sites use – allowing you to increase your reserved instance capacity as your traffic scales: Windows Azure automatically handles load balancing traffic across VM instances, and you get the same, super fast, deployment options (FTP, Git, TFS and Web Deploy) regardless of how many reserved instances you use. With Windows Azure you pay for compute capacity on a per-hour basis – which allows you to scale up and down your resources to match only what you need. Cloud Services and Distributed Caching Windows Azure also supports the ability to build cloud services that support rich multi-tier architectures, automated application management, and scale to extremely large deployments.  Previously we referred to this capability as “hosted services” – with this week’s release we are now referring to this capability as “cloud services”.  We are also enabling a bunch of new features with them. Distributed Cache One of the really cool new features being enabled with cloud services is a new distributed cache capability that enables you to use and setup a low-latency, in-memory distributed cache within your applications.  This cache is isolated for use just by your applications, and does not have any throttling limits. This cache can dynamically grow and shrink elastically (without you have to redeploy your app or make code changes), and supports the full richness of the AppFabric Cache Server API (including regions, high availability, notifications, local cache and more).  In addition to supporting the AppFabric Cache Server API, it also now supports the Memcached protocol – allowing you to point code written against Memcached at it (no code changes required). The new distributed cache can be setup to run in one of two ways: 1) Using a co-located approach.  In this option you allocate a percentage of memory in your existing web and worker roles to be used by the cache, and then the cache joins the memory into one large distributed cache.  Any data put into the cache by one role instance can be accessed by other role instances in your application – regardless of whether the cached data is stored on it or another role.  The big benefit with the “co-located” option is that it is free (you don’t have to pay anything to enable it) and it allows you to use what might have been otherwise unused memory within your application VMs. 2) Alternatively, you can add “cache worker roles” to your cloud service that are used solely for caching.  These will also be joined into one large distributed cache ring that other roles within your application can access.  You can use these roles to cache 10s or 100s of GBs of data in-memory very effectively – and the cache can be elastically increased or decreased at runtime within your application: New SDKs and Tooling Support We have updated all of the Windows Azure SDKs with today’s release to include new features and capabilities.  Our SDKs are now available for multiple languages, and all of the source in them is published under an Apache 2 license and and maintained in GitHub repositories. The .NET SDK for Azure has in particular seen a bunch of great improvements with today’s release, and now includes tooling support for both VS 2010 and the VS 2012 RC. We are also now shipping Windows, Mac and Linux SDK downloads for languages that are offered on all of these systems – allowing developers to develop Windows Azure applications using any development operating system. Much, Much More The above is just a short list of some of the improvements that are shipping in either preview or final form today – there is a LOT more in today’s release.  These include new Virtual Private Networking capabilities, new Service Bus runtime and tooling support, the public preview of the new Azure Media Services, new Data Centers, significantly upgraded network and storage hardware, SQL Reporting Services, new Identity features, support within 40+ new countries and territories, and much, much more. You can learn more about Windows Azure and sign-up to try it for free at http://windowsazure.com.  You can also watch a live keynote I’m giving at 1pm June 7th (later today) where I’ll walk through all of the new features.  We will be opening up the new features I discussed above for public usage a few hours after the keynote concludes.  We are really excited to see the great applications you build with them. Hope this helps, Scott

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  • Cannot execute binary file

    - by user291727
    I am new to Ubuntu and I'm trying to install Popcorn Time. I downloaded 32 bit version and tried to install it but that's where the problem started showing. I duble clicked the executable file and well, nothing happened. It's a official download from their web-site but it doesn't work. Maybe I'm doing something wrong.....Anyway, I found out that you can insatll it from a script, but people keep talking in ubuntu terms and I don't understand it, so I have a few questions: 1.How to make a script? (witch I'm suppose to run in terminal using bash comand), 2.Is it normal that i cannot run the installer, and if that is an installer or just files for the program. 3.If it is an installer, how do I make it work? 4.What does " Cannot execute binary file" mean? Thank you in advance, hope I'm not asking too many questions(please understand that I'm new to ubuntu) and sorry about my English. xD

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  • How can I cleanup a botched Truecrypt installation?

    - by Don F
    I made the mistake of downloading the X64 version of Truecrypt and trying to install it when I'm actually running the 32-bit version of Precise Pangolin. I want to clean up the files that I am unable to use, but of course I can't just run the uninstall since Truecrypt could not be installed in the first place. I am new to this but I have spent some time researching the command line. When I run "locate trucrypt -i" in the terminal I receive several relevant files in the usr/bin and usr/share directories. No "rm" commands work on these listed files--I only get "no such file or directory" back. I'm sure this has something to do with permissions but I don't know what I'm missing here. Why is it I cannot find these files through the GUI (even when I select "show hidden files") or when I try to navigate to these files via the terminal using cd and ls commands? How can I remove these files (they are there aren't they?), one way or another, from my system? Your patience and time are appreciated

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  • BlueStacks Joins Forces with AMD; Launches AMD-only Enhanced Android App Launcher

    - by Jason Fitzpatrick
    Last fall we showed you how to run Android apps on your Windows PC with BlueStacks. Now BlueStacks has partnered with AMD to offer even better Android emulation on AMD-powered Windows machines. Check out our original overview and installation guide for BlueStacks to get a feel for what you can do with the app. If you’re sporting an AMD CPU, hit up the link below to check out the AMD AppZone to grab some of the thousands of Android apps you can enjoy on your desktop. AMD AppZone: Android [via Gigaom] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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  • I can't start airodump-ng (aircrack-ng)

    - by Guido Ferzoco Plumari
    This is what I receive when starting airodump-ng root@guido-laptop:/home/guido# airodump-ng wlan0 ioctl(SIOCSIWMODE) failed: Device or resource busy ARP linktype is set to 1 (Ethernet) - expected ARPHRD_IEEE80211, ARPHRD_IEEE80211_FULL or ARPHRD_IEEE80211_PRISM instead. Make sure RFMON is enabled: run 'airmon-ng start wlan0 <#>' Sysfs injection support was not found either. Original question in spanish: No puedo iniciar airodump-ng (aircrack-ng) Esto lo que me sale al iniciar airodump-ng root@guido-laptop:/home/guido# airodump-ng wlan0 ioctl(SIOCSIWMODE) failed: Device or resource busy ARP linktype is set to 1 (Ethernet) - expected ARPHRD_IEEE80211, ARPHRD_IEEE80211_FULL or ARPHRD_IEEE80211_PRISM instead. Make sure RFMON is enabled: run 'airmon-ng start wlan0 <#>' Sysfs injection support was not found either.

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  • flash twitter and facebook widgets

    - by NorthPole
    I'm stuck with a crappy digital signage platform that only renders .html and .swf files (and rss feeds) No customization of rss, only way to show something dynamic in a pretty way is to use flash. The question: is there any way to embed javascript in swf files or somehow have facebook and twitter flash plugins? I looked for ready-made swf widgets for the job but didn't find any, if there is any flash widget that serves a facebook and/or twitter feed please give me a link. (sorry if the question is out of context but these things usually run a stripped-down browser to display everything so its pretty much a web page run from a file and not a web server)

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  • How do I cross-compile my application for Ubuntu 12.04 armhf architecture on a Ubuntu 12.04 i386 host?

    - by Jonathan Cave
    I have a large application I have written. I can successfully compile the application in the following scenarios: in a native compilation for the i386 host running Ubuntu 12.04 natively on a PandaBoard running Ubuntu 12.04 (this takes a long time) using Qemu and a chroot on the host PC for the armhf PandaBoard target (this takes a very long time) I would like to cross-compile the application on the i386 host to run on a target such as the PandaBoard to complete builds in a timely fashion. So far attempts made using the arm-linux-gnueabihf tool chain in the repositories has produced binaries that do not run correctly. At this stage, I have no plans to package the software. What is the recommended way to achieve a successful cross-compile?

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  • Worst practices in C++, common mistakes ...

    - by Felix Dombek
    After reading this famous rant by Linus Torvalds, I wondered what actually are all the bad things programmers might do in C++. I'm explicitly not referring to typography errors or bad program flow as treated in this question and answers, but to more high-level errors which are not detected by the compiler and do not result in obvious bugs at first run, complete design errors, things which are improbable in C but are likely to be done by newcomers who don't understand the full implications of their code. I also welcome answers pointing out a huge performance decrease where it would not usually be expected. An example of what one of my professors once told me: You have used somewhat too many instances of unneeded inheritance and virtuality. Inheritance makes a design much more complicated (and inefficient because of the RTTI (run-time type inference) subsystem), and it should therefore only be used where it makes sense, e.g. for the actions in the parse table." [I wrote an LR(1) parser generator.] "Because you make intensive use of templates, you practically don't need inheritance."

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  • How to unit test image processing code?

    - by rold2007
    I'm working in image processing (mainly OCR) and I wonder how I should integrate unit tests in my development. I'm already using unit tests for more "common" type of code but when dealing with image processing code I'm not sure how to deal with it. This kind of code always need some image data input/output and mocking this is not obvious. For now I'm mostly doing integration tests but they take a while to run and I would like some ideas on how to break down this kind of code into unit tests so that I can run them more quickly.

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  • How To Enable 3D Acceleration and Use Windows Aero in VirtualBox

    - by Chris Hoffman
    VirtualBox’s experimental 3D acceleration allows you to use Windows 7’s Aero interface in a virtual machine. You can also run older 3D games in a virtual machine – newer ones probably won’t run very well. If you installed Windows 7 in VirtualBox, you may have been disappointed to see the Windows 7 Basic interface instead of Aero – but you can enable Aero with a few quick tweaks. How To Create a Customized Windows 7 Installation Disc With Integrated Updates How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using?

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