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  • 5 year old ubuntu system, always dist-upgraded => ok. however some tasks remain

    - by knb
    I have a PC with a current ubuntu distribution installed. I've upgraded many times since 5.10. It always went well, however some tools or features were kindof left behind in a unsatisfactory state: grub to grub2 - is it an really necessary to switch the boot loader some time to grub2. Upgrading this scares me abit. I still have ext3 devices - is it worth upgrading to ext4? should I wait for btrfs? hibernation and suspend- it only worked in 5.10, since 6.04 it was messed up. Should I really care? Any chance to repair this myself? Simply by cleanup or hacking config files. It is a desktop PC after all. So energy saving functionality is not really needed. I am using vmware workstation 6.5 and the latest kernel that supports it is 2.6.32. This is my default kernel now, ignoring 2.6.35. Am I missing anything important in the new kernel now?

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  • Laptop, unable to install discrete graphics card GTX 880M

    - by FoxyShadoww
    So I've bought the GT70 2PE Dominator Pro a few weeks ago and I installed Zorin OS 9 Ultimate on it. Today I tried to install the Nvidia drivers on my laptop since it has the GTX 880M, but my system became unbootable. Can anyone help me with this issue? I will write down what I've tried so far. This is what I've tried so far: Downloaded the newest Nvidia drivers from their website. Pressed CTRL+ALT+F2 to open the terminal page thingy. Logged in and got root access. Stopped the lightdm service. Ran the NVIDIA-Linux-x86_64-340.32.run installer. Pressed the accept button and right after that it told me the following message: The distribution-provided pre-install script failed! Continue installation anyway?. When I install anyway, it will crash my system and makes it unbootable, Does anyone know how to use my GTX 880M? Do I need to enable it on boot time somehow? Thanks for the support, Sapphire ~

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  • why are transaction monitors on decline? or are they?

    - by mrkafk
    http://www.itjobswatch.co.uk/jobs/uk/cics.do http://www.itjobswatch.co.uk/jobs/uk/tuxedo.do Look at the demand for programmers (% of job ads that the keyword appears), first graph under the table. It seems like demand for CICS, Tuxedo has fallen from 2.5%/1% respectively to almost zero. To me, it seems bizarre: now we have more networked and internet enabled machines than ever before. And most of them are talking to some kind of database. So it would seem that use of products whose developers spent last 20-30 years working on distributing and coordinating and optimizing transactions should be on the rise. And it appears they're not. I can see a few causes but can't tell whether they are true: we forgot that concurrency and distribution are really hard, and redoing it all by ourselves, in Java, badly. Erlang killed them all. Projects nowadays have changed character, like most business software has already been built and we're all doing internet services, using stuff like Node.js, Erlang, Haskell. (I've used RabbitMQ which is written in Erlang, "but it was small specialized side project" kind of thing). BigData is the emphasis now and BigData doesn't need transactions very much (?). None of those explanations seem particularly convincing to me, which is why I'm looking for better one. Anyone?

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  • The Freemium-Premium Puzzle

    The more time I spend thinking about the value of information, the more I found that digitalizing information significantly changed the 'information markets', potentially in an irreversible manner. The graph at the bottom outlines my current view. The existing business models tend to be the same in the digital and analogue information world, i.e. revenue is derived from a combination of consumers' payments and advertisement. Even monetizing 'meta-information' such as search engines isn't new. Just think of the once popular 'Who'sWho'. What really changed is the price-value ratio. The curve is pushed down, closer to the axis. You pay less for the same, or often even get more for less. If you recall the capabilities I described in relevance of information you will see that there are many additional features available for digital content compared to analogue content. I think this is a good 'blue ocean strategy' by combining existing capabilities in a new way. (Kim W.C. & Mauborgne, R. (2005) Blue Ocean Strategies. Boston: Harvard Business School Publishing.). In addition the different channels of digital information distribution significantly change the value of information. I will touch on this in one of my next blogs. Right now, many information providers started to offer 'freemium' content through digital channels, hoping to get a premium for the 'full' content. No freemium seems to take them out of business, because they are apparently no longer visible in today's most relevant channels of information consumption. But, the more freemium is provided, the lower the premium gets; a truly puzzling situation. To make it worse, channel providers increasingly regard information as a value adding and differentiating activity. Maybe new types of exclusive, strategic alliances will solve the puzzle, introducing new types of 'gate-keepers', which - to me - somehow does not match the spirit of the WWW and the generation Y's perception of information consumption and exchange.

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  • Trouble installing gnome-shell-extensions-user-theme, dependency/PPA conflict?

    - by Drex
    I installed gnome tweak tool, and am trying to set up custom themes and whatnot. So, trying to install gnome-shell-extensions-user-theme. me@computer:~$ sudo apt-get install gnome-shell-extensions-user-theme [sudo] password for me: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: gnome-shell-extensions-user-theme : Depends: gnome-shell-extensions-common but it is not going to be installed E: Unable to correct problems, you have held broken packages. Not going to be installed? Okay, let's see about that... me@computer:~$ sudo apt-get install gnome-shell-extensions-common Reading package lists... Done Building dependency tree Reading state information... Done gnome-shell-extensions-common is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Wait, what? Broken packages? Ruh Roh! Seems to me it might be a PPA contradiction problem or something, but I'm tired of trashing my installs. Kinda lost here. Any ideas? Output of sudo apt-get install -f drex@U110:~$ sudo apt-get install -f Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

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  • Open Source Highlight: namebench

    - by eddraper
    DNS is a big deal.  Even small incremental changes to improve its performance can yield significant value due to the vast quantity of look-ups required when using the internet.  Until now, It’s always been one of those things I had to kinda take on faith… was my ISP doing a good job?  Are those public DNS server really that much faster?  What about security and privacy concerns? Let me introduce you to namebench.  This is the kinda tool I really love – one that immediately delivers value and is almost over-the-top OCD in its attention to detail. Trust me, this tool is utterly ruthless in it’s quest for getting it right – you’re not left with a big question mark after it presents its data.  The results are conclusive and actionable.  Here’s what is does: It hunts down the fastest DNS servers from your desktop that it can find using thousands of requests.  No, it doesn’t pop up this little dialog in 10 seconds to give you some “off the cuff” answer from a handful of providers.  It takes the better part of 10-15 minutes to run.  When it finishes, it presents you with a veritable horn-o-plenty of data.  Mean response duration, response distribution, bad data,  no stone is left un-turned. Check it out.  You’ll dig it.

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  • What do I do for dependencies installing wine1.7 on 14.04

    - by user285207
    user@chrubuntu:~$ sudo apt-get install wine1.7 [sudo] password for user: user Sorry, try again. [sudo] password for user: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: wine1.7 : Depends: wine1.7-i386 (= 1:1.7.19-0ubuntu2~trusty2) but it is not installable Recommends: gnome-exe-thumbnailer but it is not going to be installed or kde-runtime but it is not going to be installed Recommends: ttf-mscorefonts-installer but it is not going to be installed Recommends: fonts-horai-umefont but it is not going to be installed Recommends: fonts-unfonts-core but it is not going to be installed Recommends: ttf-wqy-microhei Recommends: winetricks but it is not going to be installed E: Unable to correct problems, you have held broken packages. user@chrubuntu:~$ Trying to install wine1.7 on Ubuntu 14.04 64 bit, and i'm not sure what this means, help is greatly appreciated. I already ran sudo apt-get update and get this: Reading package lists... Done W: Duplicate sources.list entry http://dl.google.com/linux/chrome/deb/ stable/main amd64 Packages (/var/lib/apt/lists/dl.google.com_linux_chrome_deb_dists_stable_main_binary-amd64_Packages) W: You may want to run apt-get update to correct these problems So I run apt-get update and: E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied) E: Unable to lock directory /var/lib/apt/lists/ E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied) E: Unable to lock the administration directory (/var/lib/dpkg/), are you root? This is all very stressing because I have been trying to get Wine for the past week and had to reinstall and IT STILL WON'T WORK.

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  • Testing my model for hybrid scheduling in Embedded Systems

    - by markusian
    I am working on a project for school, where I have to analyze the performances of a few fixed-priority servers algorithms (polling server, deferrable server, priority exchange) using a simulator in the case of hybrid scheduling, where we have both hard periodic tasks and soft aperiodic tasks. In my model I consider that: the hard tasks have a period equal to their deadline, with a known worst case execution time (wcet). The actual execution time could be smaller than the wcet. the soft tasks have a known wcet and random interarrival times. The actual execution time could be smaller than the wcet. In order to test those algorithms I need realistic case studies. For this reason I'm digging in the scientific literature but I am facing different problems: Sometimes I find a list of hard tasks with wcet, but it is not specified how the soft tasks parameters are found. Given the wcet of a task, how can I model its actual execution time? This means, what random distribution should I use considering the wcet? How can I model the random interarrival times of soft aperiodic tasks?

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  • Lubuntu 12.10: Icon Display Problems

    - by SlcBullseye
    First off, I would like to let you know that I am new to Linux. I finally decided to give it a try and my first project was installing Lubuntu on an old PC and using it for a media server for my PS3. So, one thing that I noticed right away is that my icons for applications, files, folders, etc...are not visible. If I move my mouse over the name of the application or file (It only works if I move the mouse up from the bottom of the name) then the icon will appear, but if I move my mouse back over any other place on the file the icon will disappear again. Also, if I open a folder sometimes an icon or two will be displayed but the rest won't, and like I said before if I move my mouse over the top of the application or file the icon will disappear. Is there any way to fix this? Is this normal? Or could it be a problem with my hardware? I never had this issue when I was running the last OS (Windows XP). Any help would be greatly appreciated. Remember, I am new to Linux so a thorough explanation would be helpful. Also, if there are any tips, tricks, references, or recommendations any of you have to help me jump in and become more familiar with using Linux that would be great! I'm very interested in taking advantage of the power Linux has. Currently I am studying computer programming so maybe one day I will be able to develop my own Linux distribution.

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  • Kubuntu never gets to the login screen

    - by searchfgold6789
    I am not sure if Xorg is using the right device... The system in question is an A4-1400 CPU with built-in Radeon Graphics. I added a PCIe Radeon HD 5750, and changed the BIOS so it would use that card automatically. Now it appears that I can see output from the TV plugged into the HDMI port, and boot into recovery mode, but cannot get to a desktop - X doesn't start. It just freezes at the Kubuntu splash screen. I have no idea how to get X to use the proper graphics card. I pasted the Xorg.log to http://paste.ubuntu.com/6261137/. And the Xorg.conf generated by aticonfig --initial is at http://paste.ubuntu.com/6261161/ Also, see lspci and lshw -c display outputs. I can provide more information, but something does tell me X is not using the right graphics card and I've no idea where to begin how to fix it... I faced a similar issue before with another distribution but found no information anywhere on how to make X use a specific graphics card. Or maybe it's not that simple.

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  • Ubuntu 12.10 hotkeys not working properly [closed]

    - by Sly
    A couple of weeks ago, I ran a distribution upgrade from 12.04 to 12.10. Unfortunately, something has seemed to happen with the hotkeys on the system. At first, I thought that maybe this was just a glitch with the global hotkeys. That didn't turn out to be the case, as the custom hotkey I added into the Ubuntu settings works for my editor. The only default hotkey that seems to have a problem launching is CTRL+ALT+T (Terminal). This wasn't such a big issue to begin with, because I can always just drag the Terminal to my launcher and launch it from there. However, I was on Chrome earlier and tried to do SHIFT+CTRL+DEL to clear the history and it failed. I then tried to do SHIFT+ESC, just to see if the hotkey for the task manager would work.. and it did. I also thought it could be something with the "CTRL" key, since SHIFT+ESC works, but SHIFT+CTRL+DEL doesn't. That didn't turn out to be the case either, as keys like CTRL+ALT+DEL (logout) work perfectly fine. Not quite sure how to go about this, and I haven't found any errors in any of /var/log that raises any suspicion.

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  • Partner Webcast - Oracle WebCenter: Portal Highlights - 31 Oct 2013

    - by Roxana Babiciu
    Oracle WebCenter is the center of engagement for business. In order to succeed in today’s economy, organizations need to engage with information across all channels to ensure customers, partners and employees have access to the right information in the context of the business process in which they are engaged. The latest release of Oracle WebCenter addresses this challenge with updates across its complete portfolio. Nowadays, Portals are multi-channel applications that enable the creation, sharing and distribution of personalized content, as well as access to social networking and self-service capabilities. Web 2.0 and social technologies have already transformed the ways customers, employees, partners, and suppliers communicate and stay informed. The new release of Oracle WebCenter Portal makes it easier and faster for business users to create intuitive portals with integrated application content Streamlining development with an integrated set of tools for web and mobile. Providing out-of-the box templates for common use cases. Expediting the portal creation experience with new development tools empower business users to build and deploy mobile portals and websites with unprecedented speed—without having to wait for IT which leads to a shorter time to market and reduced costs. Join us to discover a Web platform that allows organizations to quickly and easily create intranets, extranets, composite applications, and self-service portals, providing users a more secure and efficient way of consuming information and interacting with applications, processes, and other users – the latest Oracle WebCenter Portal release 11gR1 PS7. Read more here

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  • MySQL can only log in as root, even after creating new users with their own database

    - by ionFish
    Problem: I just set up a Debian Wheezy installation for testing, and installed the LAMP packages and PMA. I can log in as root with my pre-defined password, create/edit/delete both databases and users. The problem comes when I create a new user 'something', set a password for it, and grant it all privileges on a table 'something' (same as the username). Upon connecting, it denies access to the user. Details: Host: localhost using MySQL 5.5.24-8 Creating user: CREATE USER 'something'@'%' IDENTIFIED BY '***';GRANT USAGE ON *.* TO 'something'@'%' IDENTIFIED BY '***' WITH MAX_QUERIES_PER_HOUR 0 MAX_CONNECTIONS_PER_HOUR 0 MAX_UPDATES_PER_HOUR 0 MAX_USER_CONNECTIONS 0;CREATE DATABASE IF NOT EXISTSsomething;GRANT ALL PRIVILEGES ONsomething.* TO 'something'@'%'; Checking privileges: GRANT USAGE ON *.* TO 'something'@'%' IDENTIFIED BY PASSWORD '*92F9DAF5F5129554509489FDB6A433510223C799'; Result: Access denied for user 'something'@'localhost' (using password: YES) More Info: I use this same exact procedure for the Squeeze distribution, and it works perfectly. Is there a chance it's because of Wheezy, or something else? I need to continue using Wheezy because of the updated packages (for this test server -- the others work fine), so 'just use Squeeze' is not an option. Note: I HAVE tried flush privileges; to no avail.

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  • Why is Wine not installable on my system?

    - by RawX
    So I upgraded on a fresh install to Ubuntu 12.10, not beta, and I've tried installing wine many many times now many different ways but the jist of it is this: This error could be caused by required additional software packages which are missing or not installable. Furthermore there could be a conflict between software packages which are not allowed to be installed at the same time. The following packages have unmet dependencies: wine: Any ideas? It won't let me install the dependencies either it says it needs another set of dependencies to install them -_- im on asus kj50 64bit os dual boot with windows 7 sudo apt-get install wine1.5 Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: wine1.5 : Depends: wine1.5-i386 (= 1.5.15-0ubuntu1) but it is not installable Recommends: gnome-exe-thumbnailer but it is not going to be installed or kde-runtime but it is not going to be installed Recommends: ttf-droid Recommends: ttf-mscorefonts-installer but it is not going to be installed Recommends: ttf-umefont but it is not going to be installed Recommends: ttf-unfonts-core but it is not going to be installed Recommends: winbind but it is not going to be installed Recommends: winetricks but it is not going to be installed E: Unable to correct problems, you have held broken packages.

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  • What is an efficient algorithm for randomly assigning a pool of objects to a parent using specific rules

    - by maple_shaft
    I need some expert answers to help me determine the most efficient algorithm in this scenario. Consider the following data structures: type B { A parent; } type A { set<B> children; integer minimumChildrenAllowed; integer maximumChildrenAllowed; } I have a situation where I need to fetch all the orphan children (there could be hundreds of thousands of these) and assign them RANDOMLY to A type parents based on the following rules. At the end of the job, there should be no orphans left At the end of the job, no object A should have less children than its predesignated minimum. At the end of the job, no object A should have more children than its predesignated maximum. If we run out of A objects then we should create a new A with default values for minimum and maximum and assign remaining orphans to these objects. The distribution of children should be as evenly distributed as possible. There may already be some children assigned to A before the job starts. I was toying with how to do this but I am afraid that I would just end up looping across the parents sorted from smallest to largest, and then grab an orphan for each parent. I was wondering if there is a more efficient way to handle this?

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  • Virtualbox errors out when creating or opening VM

    - by user106986
    I installed Virtual-box about a week ago and now every time I either try to start a VM or create a new one I get the error listed below. I am in the vboxusers group. I completely uninstalled and re-installed the application without any change in the error. When I run the command below I receive "command not found". Then when I try to install dkms they systems says it is already installed. Right now I have removed the application and any files and would love to re-install the application again to get it working. I remove the application using: sudo apt-get remove virtualbox* --purge Any ideas? Kernel driver not installed (rc=-1908) The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv. Please reinstall the kernel module by executing '/etc/init.d/vboxdrv setup' as root. If it is available in your distribution, you should install the DKMS package first. This package keeps track of Linux kernel changes and recompiles the vboxdrv kernel module if necessary. Result Code: NS_ERROR_FAILURE (0x80004005) Component: Machine Interface: IMachine {5eaa9319-62fc-4b0a-843c-0cb1940f8a91}

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  • What's the simplest way to provide a portable, locally running webservice server application?

    - by derFunk
    We have a bigger website running that offers a JsonRpc web service. For offline demonstration purposes I want to realize a portable, locally running webserver with a minimalistic feature replication of the live webservice, and bundle this together with Html files which do Ajax requests to it. This local server executable should have as little dependencies as possible. It's gonna be run and presented by non-devs on non-dev Windows machines, so I would prefer having a simple executable plus the service code - whereas language doesn't matter as long as it is .NET, PHP or Java. I'll need a small database behind which probably will be Sqlite. It's important to say that for some reasons we cannot use the original web service code, but we have to rewrite it new for the local demo server, this is why I want to put minimal effort in the local server tech. An installer for distribution is not mandatory, it's okay to have a zip file with an executable in it which starts up the local webserver. What would you recommend realizing these requirements? I've done some research already, but would love to here your opinions and get some pointers!

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  • Problem installing wine on Ubuntu 12.10

    - by akhumaini
    I am having problem when installing wine on ubuntu 12.10 I tried to following some tutorial but none of them work. **root@ubuntu:~# add-apt-repository ppa:ubuntu-wine/ppa** **root@ubuntu:~# apt-get update** **root@ubuntu:~# apt-get install wine1.5** Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: wine1.5 : Depends: wine1.5-i386 (= 1.5.16-0ubuntu1) but it is not installable Recommends: ttf-droid Recommends: ttf-mscorefonts-installer but it is not going to be installed Recommends: ttf-umefont but it is not going to be installed Recommends: ttf-unfonts-core but it is not going to be installed Recommends: winbind but it is not going to be installed Recommends: winetricks but it is not going to be installed E: Unable to correct problems, you have held broken packages. root@ubuntu:~# Anyone can help me how to solve th problem ?

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  • Public domain usage of imagery from films? [on hold]

    - by AdamJones
    I'm thinking of starting a small film site, which would begin as a simple blog. Imagery from films I discuss on the site would be vital to the look and feel of this site. Instantly though this makes me wonder about copyright/public domain rights for such imagery. I just wondered if anyone had general or specific advise about using imagery from this industry or another similar situation? On the one hand I know the film industry aggressively tries to protect its IP (fair enough), but on the other hand, surely film companies do release some imagery of their films in stills format into the public domain to simply help their distribution and advertising efforts? I have tried looking on stock photo galleries for images of film stills but only found moviestillsdb.com) which seemed very limited in its results. I've researched a bit about fair usage (http://fairuse.stanford.edu/overview/fair-use/) as well, which I know applies to the USA specifically. This seems to suggest that a still of a film is within these bounds. Still, any constructive advise others may have as a result of experience dealing with imagery, from film or another domain would be greatly appreciated, assuming it isn't "get a lawyer".

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  • For photography use, is Unity is overheating my laptop? Should I try OpenSuse instead?

    - by SoT
    I am a perfect noob here in the Linux world. Previously was using Windows 7. Mine is an HP laptop - Intel core2duo T5470 @ 1.60GHz × 2 / 965GM with 2GB RAM. I installed Ubuntu 12.04TLS and is quite liking it's display. I really recognized it is 3D before knowing it was Unity 3D interface. My uses are image editing, home uses, downloads, browsing etc.. No video-editing/gaming at all. Being a Photography enthusiast I use image editing programs fairly more. But I am now feeling my laptop is getting a bit overheated - processor and hard-disk. I tried lm-sensor and could not make out much of it. Installed Xsensors.7. It gives the same output as lm-sensors gave me. It gives temperature for 4 things Temp1, temp2, temp3, and temp4. For "acpitz". Please guide me in this. However I wanted to ask something more. Which one is better for working with images - photography I mean - openSUSE 12.1 or Ubuntu with unity 3D? Can I get the display quality with the openSUSE distribution? I heard for laptops openSUSE uses power more efficiently, is there any truth? Please suggest me whether I should try openSUSE or not. If so with which GUI? KDE or GNOME? Thanks in advance. Regards SoT

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  • Wine not working ubuntu 12.10

    - by RawX
    So I upgraded on a fresh install to ubuntu 12.10, not beta, and I've tried installing wine many mannnnyy times now many different ways but the jist of it is this "This error could be caused by required additional software packages which are missing or not installable. Furthermore there could be a conflict between software packages which are not allowed to be installed at the same time. The following packages have unmet dependencies: wine: " any ideas? it wont let me install the dependencies either it says it needs another set of dependencies to install them -_- im on asus kj50 64bit os dual boot with windows 7 sudo apt-get install wine1.5 Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: wine1.5 : Depends: wine1.5-i386 (= 1.5.15-0ubuntu1) but it is not installable Recommends: gnome-exe-thumbnailer but it is not going to be installed or kde-runtime but it is not going to be installed Recommends: ttf-droid Recommends: ttf-mscorefonts-installer but it is not going to be installed Recommends: ttf-umefont but it is not going to be installed Recommends: ttf-unfonts-core but it is not going to be installed Recommends: winbind but it is not going to be installed Recommends: winetricks but it is not going to be installed E: Unable to correct problems, you have held broken packages.

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  • Live HTML Preview

    - by netbeanstips
    When you need to edit an HTML document in NetBeans you may find useful this little plugin that adds a Preview tab to HTML editor window. The plugin works with some small issues in NetBeans 7.4 but I recommend using development builds instead. So install the plugin, restart NetBeans and open any HTML document. Notice there's a Preview button in editor's toolbar (see the red rectangle in the picture below). Now split the editor window by dragging the split button at top right corner. You can also use menu View - Split - Vertically.  Then in the bottom split part toggle Preview button. You will get a live preview of your HTML source code. The preview pane will auto-refresh as you edit the HTML code. There are even some handy tools in Preview toolbar, for example you can resize the preview browser to match the screen dimensions of various device types. I know there is full-blown HTML5 support in NetBeans 7.4. But if you need to edit a single document or when you're running Java-only NetBeans distribution this plugin may come handy... Note: The plugin is built on top of embedded WebKit browser which is based on JavaFX WebView component. So there might be some issue when using the plugin on some flavors of Linux.

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  • Measuring Social Media Efforts

    - by David Dorf
    So you're on the bandwagon and you've created a Facebook page, you're tweeting everyday, and maybe you've even got a YouTube channel. Now what? After you put any program in place, you need to measure, set new goals, then execute and this is no different. But how does one measure social media efforts? First, I guess we need some goals. Typical ones might be to acquire customers, engage them, then convert them. So that translates to: Increase Facebook fans and Twitter followers Increase comments/posting and retweets Increase redemption of offers via Facebook and Twitter Counting fans and followers is easy, and tracking the redemption of coupons isn't that hard either, but measuring engagement is a tough one. How do you know whether your fans are reading your posts, and whether your posts have any meaning to them? For Facebook, the fan page administrator has access to analytics called Facebook Insights. There you can check weekly metrics such as total fans, new fans, lost fans, demographics of fans, number of postings, numbers clicks, etc. Not nearly as comprehensive as Google Analytics, but well on its way. For Twitter, getting information is a little tougher. Again, its easy to track followers and you can use tools like TweetMeme to encourage and track retweets. An interesting website called WeFollow tries to measure influence for certain topics. For example, the top three influencers for the topic "retail" are retailweek, retailwire, and retailerdaily. Other notables are #10 BestBuy, #11 GapOfficial, #12 JeffPR, and #17 OracleRetail. I assume influence is calculated based on number of followers, number of retweets, frequency of tweets, and perhaps depth of dialogs. If you want to get serious about monitoring and measuring social marketing efforts, you'd be wise to invest in a strong tool. Several are listed on this wiki, including big ones like Radian6, Nielsen, Omniture, and Buzzient. Buzzient might be particularly interesting because its integrated with Oracle CRM OnDemand -- see the demo. As always, I'm interested in hearing how others approach goal setting and monitoring of social media efforts, so feel free to post comments.

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  • F# &ndash; Immutable List vs a Mutable Collection in Arrays

    - by MarkPearl
    Another day gone by looking into F#. Today I thought I would ramble on about lists and arrays in F#. Coming from a C# background I barely ever use arrays now days in my C# code – why you may ask – because I find lists generally handle most of the business scenario’s that I come across. So it has been an interesting experience with me keep bumping into Array’s & Lists in F# and I wondered why the frequency of coming across arrays was so much more in this language than in C#. Take for instance the code I stumbled across today. let rng = new Random() let shuffle (array : 'a array) = let n = array.Length for x in 1..n do let i = n-x let j = rng.Next(i+1) let tmp = array.[i] array.[i] <- array.[j] array.[j] <- tmp array   Quite simply its purpose is to “shuffle” an array of items. So I thought, why does it have the “a’ array'” explicitly declared? What if I changed it to a list? Well… as I was about to find out there are some subtle differences between array’s & lists in F# that do not exist in C#. Namely, mutability. A list in F# is an ordered, immutable series of elements of the same type, while an array is a fixed-size zero based, mutable collection of consecutive data elements that are all of the same type. For me the keyword is immutable vs mutable collection. That’s why I could not simply swap the ‘a array with ‘a list in my function header because then later on in the code the syntax would not be valid where I “swap” item positions. i.e. array.[i] <- array.[j] would be invalid because if it was a list, it would be immutable and so couldn’t change by its very definition.. So where does that leave me? It’s to early days to say. I don’t know what the balance will be in future code – will I typically always use lists or arrays or even have a balance, but time will tell.

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  • Maintaining Revision Levels

    - by kyle.hatlestad
    A question that came up on an earlier blog post was how to limit the number of revisions on a piece of content. UCM does not inherently enforce any sort of limit on how many revisions you can have. It's unlimited. In some cases, there may be content that goes through lots of changes, but there just simply isn't a need to keep all of its revisions around. Deleting those revisions through the content information screen can be very cumbersome. And going through the Repository Manager applet can take time as well to filter and find the revisions to get rid of. But there is an easier way through the Archiver. The Export Query criteria in Archiver includes a very handy field called 'Revision Rank'. With revision labels, they typically go up as new revisions come in (e.g. 1, 2, 3, 4, etc...). But you can't really use this field to tell it to keep the top 5 revisions. Those top 5 revision numbers are always going up. But revision rank goes the opposite direction. The very latest revision is always 0. The previous revision to that is 1. Previous revision to that is 2. And so on and so forth. With revision rank, you can set your query to look for any Revision Rank greater or equal to 5. Now as older revisions move down the line, their revision rank gets higher and higher until they reach that threshold. Then when you run that archive export, you can choose to delete and remove those revisions. Running that export in Archiver is normally a manual process. But with Idc Command, you can script the process and have it run automatically from the server. Idc Command is a utility that allows you to run any of the content server services via the command line. You basically feed it a text file with the services and parameters defined along with the user to run it as. The Idc Command executable is located within the \bin\ directory: $ ./IdcCommand -f DeleteOlderRevisions.txt -u sysadmin -l delete_revisions.log In this example, our IdcCommand file to run the export and do the deletions would look like: IdcService=EXPORT_ARCHIVE aArchiveName=DeleteOlderRevisions aDoDelete=1 IDC_Name=idc dataSource=RevisionIDs <<EOD>> You can then use automated scheduling routines in the OS to run the command and command file at the frequency needed. Remember that you are deleting the revisions from within UCM, but they are still getting placed within the archive. So you will need to delete those batches to have them fully removed (or re-import if you need to recover them). For more information about Idc Command, you can find that in the Idc Command Reference Guide.

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