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  • FFMpeg installation problem

    - by Thomas
    Hi I have problem installing ffmpeg. I follow this url: https://www.crucialp.com/resources/tutorials/server-administration/how-to-install-ffmpeg-ffmpeg-php-mplayer-mencoder-flv2tool-LAME-MP3-Encoder-libog.php Setting up repositories core 100% |=========================| 1.1 kB 00:00 rpmforge 100% |=========================| 1.1 kB 00:00 Error: Cannot find a valid baseurl for repo: updates [root@02e7709 src]# yum install subversion ruby ncurses-devel Loading "installonlyn" plugin Setting up Install Process Setting up repositories core 100% |=========================| 1.1 kB 00:00 rpmforge 100% |=========================| 1.1 kB 00:00 Error: Cannot find a valid baseurl for repo: updates [root@02e7709 src]# svn checkout svn://svn.mplayerhq.hu/ffmpeg/trunk ffmpeg -bash: svn: command not found [root@02e7709 src]# svn command not found and throws error Error: Cannot find a valid baseurl for repo: updates I am installing in fedora core 6 64 bit

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  • Automated “ubuntu-12.04.1-server-amd64” OS installation on physical machine

    - by user285336
    We are using Physical server and are in process of Automated “ubuntu-12.04.1-server-amd64” OS installation on it. There are two HDD for OS installation purpose and there are RAID1 relation between them. This setup has been done through BIOS. The kickstart configuration file looks like this: #Generated by Kickstart Configurator #platform=AMD64 or Intel EM64T #System language lang en_US #Language modules to install langsupport en_US #System keyboard keyboard us #System mouse mouse #System timezone timezone Asia/Dili #Root password rootpw --iscrypted $1$Yl1QJyta$KzIT.kq3i9E5XaiQKcUJn/ #Initial user user ankit --fullname "Ankit" --iscrypted --password $1$c6Yflpea$pi1QQ59/jgywmGwBv25z3/ #Reboot after installation reboot #Use text mode install text #Install OS instead of upgrade install #Use Web installation url --url my_repo_location #System bootloader configuration bootloader --location=mbr #Clear the Master Boot Record zerombr yes #Partition clearing information clearpart --all --initlabel #Disk partitioning information part /boot --fstype ext4 --size 100 --ondisk sda part / --fstype ext4 --size 10000 --ondisk sda part /var --fstype ext4 --size 10000 --ondisk sda part swap --size 1024 --ondisk sdb #System authorization infomation auth --useshadow --enablemd5 #Network information network --bootproto=dhcp --device=eth0 #Firewall configuration firewall --enabled --trust=eth0 --http --ftp --ssh --telnet --smtp #X Window System configuration information xconfig --depth=8 --resolution=640x480 --defaultdesktop=GNOME But I am getting the below error : No root file system is defined Please suggest on this. Do we need to do any modification in kickstart configuration file. Any help in this regard will be very helpful for us. The automated Ubuntu OS installation is successful in Virtual Machine(VM) with the above ks.cfg (kickstart configuration file ) but failing in case of physical machine. Please suggest on this and if possible provide the new ks.cfg file to resolve above problem. Thanks & Regards, Rajesh Prasad

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  • ODI 11g – Expert Accelerator for Model Creation

    - by David Allan
    Following on from my post earlier this morning on scripting model and topology creation tonight I thought I’d add a little UI to make those groovy functions a little more palatable. In OWB we have experts for capturing user input, with the groovy console we open up opportunities to build UI around the scripts in a very easy way – even I can do it;-) After a little googling around I found some useful posts on SwingBuilder, the most useful one that I used for the dialog below was this one here. This dialog captures user input for the technology and context for the model and logical schema etc to be created. You can see there are a variety of interesting controls, and its really easy to do. The dialog captures the users input, then when OK is pressed I call the functions from the earlier post to create the logical schema (plus all the other objects) and model. The image below shows what was created, you can see the model (with typo in name), the model is Oracle technology and references the logical schema ORACLE_SCOTT (that I named in dialog above), the logical schema is mapped via the GLOBAL context to the data server ORACLE_SCOTT_DEV (that I named in dialog above), and the physical schema used was just the user name that I connected with – so if you wanted a different user the schema name could be added to the dialog. In a nutshell, one dialog that encapsulates a simpler mechanism for creating a model. You can create your own scripts that use dialogs like this, capture input and process. You can find the groovy script for this is here odi_create_model.groovy, again I wrapped the user capture code in a groovy function and return the result in a variable and then simply call the createLogicalSchema and createModel functions from the previous posting. The script I supplied above has everything you will need. To execute use Tools->Groovy->Open Script and then execute the green play button on the toolbar. Have fun.

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  • Component Development within SOA

    How do the concepts of component development work within SOA? Let’s first break this question down by defining what component development is. Component development is the process of implementing specific functionality in the form of small units of complied code that can be reused across multiple applications or product families. Typically, components are integrated with other components forming composite components. In general, most interaction between components is done through interfaces to promote loose coupling. The concept of loose coupling refers to the interconnections of components in a system so that their component dependences based on contracts defined by interfaces. A real life example of this can be experienced while using Legos to build a structure. If we consider each Lego block as a component, then when two more Legos are connected they form a composite component due to the fact that the structure is made up of multiple components.   It is important to note that composite components can be made from standard components and other composite components. Eventually as various components and composite components become interconnected a structure begins to form in the shape of an application or in the case of Legos in the form of Lego structure. Software components can loosely be defined as small units of related implemented functionality that can communicate with other components or may have dependencies on other components. Based on the definitions provide above, it is my personal opinion that SOA works well with the concepts of component development. The SOA architectural style focuses on creating loosely coupled services. Each service much like a component offers related functionality that can be accessed by various requesting clients.  In addition services can be derived just like components in that services can be built on other services to form composite services. In summary, the concepts of component development can work within SOA based on the example above.

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  • scheme vs common lisp: war stories

    - by SuperElectric
    There are no shortage of vague "Scheme vs Common Lisp" questions on StackOverflow, so I want to make this one more focused. The question is for people who have coded in both languages: While coding in Scheme, what specific elements of your Common Lisp coding experience did you miss most? Or, inversely, while coding in Common Lisp, what did you miss from coding in Scheme? I don't necessarily mean just language features. The following are all valid things to miss, as far as the question is concerned: Specific libraries. Specific features of development environments like SLIME, DrRacket, etc. Features of particular implementations, like Gambit's ability to write blocks of C code directly into your Scheme source. And of course, language features. Examples of the sort of answers I'm hoping for: "I was trying to implement X in Common Lisp, and if I had Scheme's first-class continuations, I totally would've just done Y, but instead I had to do Z, which was more of a pain." "Scripting the build process in Scheme project, got increasingly painful as my source tree grew and I linked in more and more C libraries. For my next project, I moved back to Common Lisp." "I have a large existing C++ codebase, and for me, being able to embed C++ calls directly in my Gambit Scheme code was totally worth any shortcomings that Scheme may have vs Common Lisp, even including lack of SWIG support." So, I'm hoping for war stories, rather than general sentiments like "Scheme is a simpler language" etc.

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  • Scheme vs Common Lisp: war stories

    - by SuperElectric
    There are no shortage of vague "Scheme vs Common Lisp" questions on both StackOverflow and on this site, so I want to make this one more focused. The question is for people who have coded in both languages: While coding in Scheme, what specific elements of your Common Lisp coding experience did you miss most? Or, inversely, while coding in Common Lisp, what did you miss from coding in Scheme? I don't necessarily mean just language features. The following are all valid things to miss, as far as the question is concerned: Specific libraries. Specific features of development environments like SLIME, DrRacket, etc. Features of particular implementations, like Gambit's ability to write blocks of C code directly into your Scheme source. And of course, language features. Examples of the sort of answers I'm hoping for: "I was trying to implement X in Common Lisp, and if I had Scheme's first-class continuations, I totally would've just done Y, but instead I had to do Z, which was more of a pain." "Scripting the build process in my Scheme project got increasingly painful as my source tree grew and I linked in more and more C libraries. For my next project, I moved back to Common Lisp." "I have a large existing C++ codebase, and for me, being able to embed C++ calls directly in my Gambit Scheme code was totally worth any shortcomings that Scheme may have vs Common Lisp, even including lack of SWIG support." So, I'm hoping for war stories, rather than general sentiments like "Scheme is a simpler language" etc.

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  • How to Upgrade Your Verizon Mi-Fi Firmware to Fix Connection Problems

    - by The Geek
    If you’ve got a Verizon Mi-Fi and you’re having problems with it disconnecting all the time, there’s a quick and easy fix—you’ll just need to upgrade the firmware to the latest version. Here’s how to do it, and fix your connection issues. If you aren’t experiencing any issues at all, you might not want to upgrade, but in our experience, the Mi-Fi will sometimes disconnect in certain areas—and this is the solution. Once you’ve run the update, the problems are mostly gone. Note: there are a number of difference Mi-Fi type of devices from Verizon, and the same process should work for all of them. Latest Features How-To Geek ETC The How-To Geek Holiday Gift Guide (Geeky Stuff We Like) LCD? LED? Plasma? The How-To Geek Guide to HDTV Technology The How-To Geek Guide to Learning Photoshop, Part 8: Filters Improve Digital Photography by Calibrating Your Monitor Our Favorite Tech: What We’re Thankful For at How-To Geek The How-To Geek Guide to Learning Photoshop, Part 7: Design and Typography Happy Snow Bears Theme for Chrome and Iron [Holiday] Download Full Command and Conquer: Tiberian Sun Game for Free Scorched Cometary Planet Wallpaper Quick Fix: Add the RSS Button Back to the Firefox Awesome Bar Dropbox Desktop Client 1.0.0 RC for Windows, Linux, and Mac Released Hang in There Scrat! – Ice Age Wallpaper

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  • New Demos SOA Suite (11.1.1.6) & SOA Suite Foundation Pack (11.1.1.6)

    - by JuergenKress
    For access to the Oracle demo systems please visit OPN and talk to your Partner Expert GSE: SOA & FP (11.1.1.6) Platforms Portable Version – Available SOA 11g Platform FP 11g Platform All SOA/BPM 11g Solutions OFM Demos Corner GSE Offerings Scheduling Demos on GSE Support GSE is pleased to announce the availability of SOA and Foundation Pack 11g (11.1.1.6) Platform Portable images. Portable images now come as a VBox appliance. SOA 11.1.1.6 Platform Portable Version This portable image comes with latest SOA Suite products installed and configured. Vbox appliance facilitates easy maintenance of the image. Click here to download the portable image. FP 11.1.1.6 Platform Portable Version Foundation Pack installed and configured on SOA image and stands as a base for building cross-application integrations. Click here to download the portable image. In addition to Portable images, Global Sales Engineering would like to inform availability of Hosted version of SOA & BPM 11g (11.1.1.6) Solutions. Click here for more information. SOA Suite Foundation Pack Demo Demo Overview Business Process Artifacts Demo Architecture Bill of Materials Demo Collateral DSS Offerings OFM Demos Corner Scheduling Demos on DSS DSS Support The Foundation Pack(FP) demo showcases various tools and utilities of Foundation Pack like Project Lifecycle Workbench(PLW) JDeveloper - Service Constructor Harvesting services to PLW/ Oracle Enterprise Repository Generation of Bill of Materials (BOM) Creation of Deployment Plans / Harvestor Settings Track Foundation Pack Fusion Order demo flow in Enterprise Manager Console For more information on the demo click here. SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit  www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Technorati Tags: SOA DEmo System,DSS,SOA,sales,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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  • Windows 7 not booting after installing Ubuntu 12.10

    - by Imran Choudhry
    I have Samsung sf511 with Windows 7 Home preinstalled. I installed Ubuntu 12.10 last night. First I mounted downloaded ubuntu 12.10 iso on a DVD from Windows 7, then I restarted, changed the boot option to DVD and let the Ubuntu DVD run. I selected "Install ubuntu alongside windows 7". In the next step I allocated the diskspace . Ubuntu installed perfectly and it ranned OK. I spent a good time exploring Ubuntu. When I restarted to start my work on Windows again and selected Windows 7 to boot, it showed blue screen after booting up (after logging in). I tried restarting several times but the same blue screen keep showing at the same point of bootup. I also restored windows to an earlier time. Left with no option I booted from Samsung provided windows recovery option. The recovery process ran fine but when it restarted to boot Windows for the first time all I see is a black screen. Nothing happens. It switches between dark command promt screen to a pitch black screen as if it's rebooting after every 10 seconds or so. The laptop can be booted from the DVD Drive or USB drive but is not booting from Harddisk. What should I do in order to use both Windows 7 and Ubuntu?

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  • Upgrading from 2005 to R2

    - by DavidWimbush
    We're about to take the plunge and upgrade our servers from SQL 2005 to SQL 2008 R2. Real world accounts of people upgrading to R2 are a bit hard to find so I thought it might be useful to blog what happens. (I don't count marketing 'case studies' that just say stuff like "The process was effortless and the upgrade will pay for itself by the end the week.") We're using the database engine, Analysis Services and Reporting Services so upgrading by a major version number was looking a bit daunting. I wasn't expecting much trouble on the engine side of things but, as most of the action in 2008 and R2 appears to have been on the Reporting and BI front, I expected to have quite a bit of work to do. But our testing so far has been one nice surprise after another: The 2005 backups restore cleanly onto R2. R2's BI Studio upgraded the Reporting and Analysis Services solutions without any issues. The cubes all deployed and processed just fine. R2 BI Studio interacts fine with TFS 2008 version control. I'll blog some more as things develop.  

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  • How to fix "apt-get upgrade" errors?

    - by mohamad farid bin abdullah
    I get these errors when I try to upgrade the packages installed on my Ubuntu system: m@m-desktop ~ $ sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 2 not fully installed or removed. After this operation, 0B of additional disk space will be used. Do you want to continue [Y/n]? y Setting up drbd8-source (2:8.3.7-1ubuntu2.3) ... Removing old drbd8-8.3.7 DKMS files... ------------------------------ Deleting module version: 8.3.7 completely from the DKMS tree. ------------------------------ Done. Loading new drbd8-8.3.7 DKMS files... First Installation: checking all kernels... Building only for 2.6.35-22-generic Building for architecture i386 Building initial module for 2.6.35-22-generic Error! Bad return status for module build on kernel: 2.6.35-22-generic (i386) Consult the make.log in the build directory /var/lib/dkms/drbd8/8.3.7/build/ for more information. dpkg: error processing drbd8-source (--configure): subprocess installed post-installation script returned error exit status 10 dpkg: dependency problems prevent configuration of drbd8-utils: drbd8-utils depends on drbd8-source; however: Package drbd8-source is not configured yet. dpkg: error processing drbd8-utils (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. Errors were encountered while processing: drbd8-source drbd8-utils E: Sub-process /usr/bin/dpkg returned an error code (1) m@m-desktop ~ $

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  • Miami 311: Built on Windows Azure

    - by Josh Holmes
    This is a cool use of Azure. The city of Miami tool their “311” data around potholes, trash pickup issues, recycling issues, broken sidewalks and the like and put that data in Azure. The next step is that they leveraged Bing Maps and Silverlight to visualize those issues spread on a map of the city. The solution takes advantage of virtually unlimited storage and processing power, provides the ability to quickly address service requests and implement updates even during peak times such as hurricane season. If things change, the City can bring the solution on site or move to a physical facility, all based on  need and cost-effectiveness. As a result, residents logging on to Miami 311 can see on average 4,500 issues in progress - not represented as a ‘list', but located on a map in relation to other projects in their neighborhood .  A simple click on the map allows them to easily drill down to more and more specific details if they want. In short, they have turned what used to be represented by a meaningless list of data into useful information, and created  actionable and consumable knowledge that is relevant to the citizens of Miami. For Miami, their ‘service call to the city' becomes an interactive process they can follow - and the City has a new tool to manage and deliver outcomes. … When the city made the move to the web, they chose tools they knew and software they trust. The Microsoft Windows Azure cloud platform made it easy to do, and they used both Bing mapping and Silverlight to build a user friendly front end. According to Port25 (Miami 311: Built on Windows Azure - Port 25: The Open Source Community at Microsoft), it took two people 8 days to implement the whole system and they are going to open source their solution so that other cities can leverage it. I haven’t seen yet where and how they are going to release it but I’ll keep you posted if I find out.

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  • System backup with Norton Ghost

    - by Mehper C. Palavuzlar
    I will upgrade my system from Windows Vista Home Premium (x64) to Windows 7 (x64). Before starting the upgrade process, I want to back up my current system with Norton Ghost. I have never used it before, so I need assistance to do that. At the moment, there is 139 GB used space by Vista and I have 1 TB external HD connected via USB. If you can tell me the step by step instructions about how to back up and how to restore if the upgrade somehow fails, I'll appreciate that. Thanks.

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  • How to penetrate the QA industry after layoffs, next steps...

    - by Erik
    Briefly, my background is in manual black box testing of websites and applications within the Agile/waterfall context. Over the past four years I was a member of two web development firms' small QA teams dedicated to testing the deployment of websites for national/international non profits, governmental organizations, and for profit business, to name a few: -Brookings Institution -Senate -Tyco Electronics -Blue Cross/Blue Shield -National Geographic -Discover Channel I have a very strong understanding of the: -SDLC -STLC of bugs and website deployment/development -Use Case & Test Case development In March of this year, my last firm downsized and lost my job as a QA tester. I have been networking and doing a very detailed job search, but have had a very difficult time getting my next job within the QA industry, even with my background as a manual black box QA tester in the website development context. My direct question to all of you: What are some ways I can be more competitive and get hired? Options that could get me competitive: Should I go back to school and learn some more 'hard' skills in website development and client side technologies, e.g.: -HTML -CSS -JavaScript Learn programming: -PHP -C# -Ruby -SQL -Python -Perl -?? Get Certified as a QA Tester, there are a countless numbers of programs to become a Certified Tester. Most, if not all jobs, being advertised now require Automated Testing experience, in: -QTP -Loadrunner -Selenium -ETC. Should I learn, Automated testing skills, via a paid course, or teach myself? --Learn scripting languages to understand the automated testing process better? Become a Certified "Project Management Professional" (PMP) to prove to hiring managers that I 'get' the project development life cycle? At the end of the day I need to be competitive and get hired as a QA tester and want to build upon my skills within the QA web development field. How should I do this, without reinventing the wheel? Any help in this regard would be fabulous. Thanks! .erik

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  • 8051 MCU debug board function

    - by b-gen-jack-o-neill
    Hi, in school I have written many programs for 8051 compatible CPU. But I never actually knew how our "debug" sets worked. I mean, we test our programs in special sets, which actually allow you to very simply load program to CPU via PC serial port. But I thing you know this musch more better than I. But how it works? I mean, I know there is chip which adjusts signal level from PC serial port to TTL logic, and than connected to serial line of 8051. But thats all I know. Actually even my teacher doesen´t know how it works, since school bought it all. So, I suspect there is some program already running in the 8051 which handles communication and stores your program into memory, am I right? But, how can you make 8051 to process instructions from different location than ROM? Becouse if I am right, you cannot write into ROM memory by any instruction, as well as 8051 can only read instructions from ROM?

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  • How to install VLC? When i get this error?

    - by YumYumYum
    How to install VLC? (with error showing such). root@sun-desktop:/var/tmp# apt-get install vlc Reading package lists... Done Building dependency tree Reading state information... Done vlc is already the newest version. The following packages were automatically installed and are no longer required: liblash3 libreoffice-l10n-common libgsf-1-common libcutter-dev pocketsphinx-hmm-wsj1 libfluidsynth1 libftgl2 projectm-data libprojectm-qt1 libgnomevfs2-extra libbml0 libprojectm2 libpocketsphinx1 libsphinxbase1 buzztard-data libbabl-0.0-0 libgegl-0.0-0 libhal1 libgsf-1-114 libsidplay1 pocketsphinx-utils liboil0.3 pocketsphinx-lm-wsj libcutter0 cutter-testing-framework-bin Use 'apt-get autoremove' to remove them. 0 upgraded, 0 newly installed, 0 to remove and 239 not upgraded. 2 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Do you want to continue [Y/n]? y Setting up vlc-nox (1.1.9-1ubuntu1.3) ... /var/lib/dpkg/info/vlc-nox.postinst: 10: /usr/lib/vlc/vlc-cache-gen: not found dpkg: error processing vlc-nox (--configure): subprocess installed post-installation script returned error exit status 127 dpkg: dependency problems prevent configuration of vlc: vlc depends on vlc-nox (= 1.1.9-1ubuntu1.3); however: Package vlc-nox is not configured yet. dpkg: error processing vlc (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. Errors were encountered while processing: vlc-nox vlc E: Sub-process /usr/bin/dpkg returned an error code (1) # sudo apt-get autoremove vlc vlc-nox Reading package lists... Done Building dependency tree Reading state information... Done Package vlc is not installed, so not removed Package vlc-nox is not installed, so not removed 0 upgraded, 0 newly installed, 0 to remove and 237 not upgraded.

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  • Can Windows-Security-SPP block execution of .exe?

    - by Kirk Marple
    We're seeing a strange situation, where some executables won't run from a Windows command prompt (running as admin). Just running the command (say, filename.exe) gives no response on the console. No errors, no output, nothing. If we copy over the same Windows .exe from a different folder, it "magically" starts working, and we see the default console output. (Happens both on Win7 x64, and Win2008R2 x64. Application is running as 32-bit process.) At the time when it accesses the .exe, I can see events in the application and system logs regarding Windows-Security-SPP, and it makes me believe that the .exe is being blocked from execution. Does this sound familiar?

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  • Converting Future Composer FC14 tracker music to MIDI data

    - by okw
    I have an old .FC music file from the Amiga/C64 days. It was made using Future Composer. The first four bytes of the file read as FC14 in ASCII; I'm pretty sure that's the version number. I need to dump the channels and their notes into a standard MIDI file in order to play it through my MIDI devices. Is there a way to do this with existing programs? If not, are there any specifications available on the format of these files? I do not require the samples, and I am aware that they will be lost during the conversion process.

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  • MVVM Light V3 released at #MIX10

    - by Laurent Bugnion
    During my session “Understanding the MVVM pattern” at MIX10 in Vegas, I showed some components of the MVVM Light toolkit V3, which gave me the occasion to announce the release of version 3. This version has been in alpha stage for a while, and has been tested by many users. it is very stable, and ready for a release. So here we go! What’s new What’s new in MVVM Light Toolkit V3 is the topic of the next post. Cleaning up I would recommend cleaning up older versions before installing V3. I prepared a page explaining how to do that manually. Unfortunately I didn’t have time to create an automatic cleaner/installer, this is very high on my list but with the book and the conferences going on, it will take a little more time. Cleaning up is recommended because I changed the name of some DLLs to avoid some confusion (between the WPF3.5 and WPF4 version, as well as between the SL3 and SL4 versions). More details in the section titled “Compatibility”. Installation Installing MVVM Light toolkit is the manual process of unzipping a few files. The installation page has been updated to reflect the newest information. Compatibility MVVM Light toolkit V3 has components for the following environments and frameworks: Visual Studio 2008: Silverlight 3 Windows Presentation Foundation 3.5 SP1 Expression Blend 3 Silverlight 3 Windows Presentation Foundation 3.5 SP1 Visual Studio 2010 RC Silverlight 3 Silverlight 4 Windows Presentation Foundation 3.5 SP1 Windows Presentation Foundation 4 Silverlight for Windows Phone 7 series Expression Blend 4 beta Silverlight 3 Silverlight 4 Windows Presentation Foundation 3.5 SP1 Windows Presentation Foundation 4 Feedback As usual I welcome your constructive feedback. If you want the issue to be discussed in public, the best way is through the discussion page on the Codeplex site. if you wish to keep the conversation private, please check my Contact page for ways to talk to me. Video, tutorials There are a few new videos and tutorials available for the MVVM Light toolkit. The material is listed on the Get Started page, under “tutorials”.   Laurent Bugnion (GalaSoft) Subscribe | Twitter | Facebook | Flickr | LinkedIn

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  • Reading and conditionally updating N rows, where N > 100,000 for DNA Sequence processing

    - by makerofthings7
    I have a proof of concept application that uses Azure tables to associate DNA sequences to "something". Table 1 is the master table. It uniquely lists every DNA sequence. The PK is a load balanced hash of the RK. The RK is the unique encoded value of the DNA sequence. Additional tables are created per subject. Each subject has a list of N DNA sequences that have one reference in the Master table, where N is 100,000. It is possible for many tables to reference the same DNA sequence, but in this case only one entry will be present in the Master table. My Azure dilemma: I need to lock the reference in the Master table as I work with the data. I need to handle timeouts, and prevent other threads from overwriting my data as one C# thread is working with the information. Other threads need to realise that this is locked, and move onto other unlocked records and do the work. Ideally I'd like to get some progress report of how my computation is going, and have the option to cancel the process (and unwind the locks). Question What is the best approach for this? I'm looking at these code snippets for inspiration: http://blogs.msdn.com/b/jimoneil/archive/2010/10/05/azure-home-part-7-asynchronous-table-storage-pagination.aspx http://stackoverflow.com/q/4535740/328397

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  • Open Your Windows - 4/Maio/10

    - by Claudia Costa
    This FREE technical briefing is designed to show ISVs/SIs how to leverage the Oracle11g Technology especially in the small to medium business. The briefing focuses on Oracle's 11g platform on Windows & Linux and gives a very comprehensive technical competitive overview to the products offered by Microsoft. The technical part covers Integration and Migration aspects of various Microsoft products such as SQL Server, .NET and Active Directory. Register Today! With Oracle11g Oracle introduced various products (ApplicationExpress, OracleExpress Edition, ADF, BPEL) and licenses (Oracle Database Standard Edition One, Application Server Java Edition) specifically targetting the small to medium business market and to show that Oracle Database and Application Server are as easy to use and costs less than Microsoft products in terms of purchase price and ongoing support & maintenance and even much much less when considering the Linux platform.. For those ISVs have already adopted Microsoft .NET framework and using SQL Server as their database layer, we will demostrate that Oracle11g Database is as easy as SQL Server to install, configure, and manage. In addition to that, their application development .NET platform does not requires dramatic changes to enable it to run on the Oracle database. Besides the standard functionalities, Oracle has enhanced some of the advanced features; such as Intermedia, Security, Ref Cursor, etc., tightly integrated with .NET framework so that .NET developers can take full advantage of the Oracle technology, without worrying or programming the complexity components. Objectives ·         Understand Oracle's strategy and commitment on Windows & Linux ·         Learn how to migrate from SQL Server to Oracle on Windows AND Linux ·         Understand that Oracle11g is easy to manage and to install on Windows & Linux ·         Learn how to integrate Windows products with the Oracle11g Platform ·         Learn how Oracle products interoperate & integrate with Microsoft .NET ·         Learn how an Oracle database on Windows will easily be ported to a lower cost Linux database platform and interoperate with a .NET application Prerequisites General Operating System expertise including MS-Windows and Linux. Agenda ·         Welcome and Intro ·         Oracle at a glance ·         Strategy; Small to Medium Business, Microsoft and Linux ·         Oracle 11g Architecture on Linux & Windows ·         Managing Oracle 11g on Linux & Windows ·         Application Development ·         Migration ·         Value propositions for ISVs & Wrap-up   ---------------------------------------------------------------------------- Para mais informações/inscrições, contacte: [email protected].

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  • Bit by bit comparison of using Java or Python for unit testing frameworks and Selenium

    - by Anirudh
    Currently we are in the process of finalizing which language out of Java, Python should be used for Automation using selenium webdriver and a suitable unit testing frameworks. I have made use of Junit, TestNG and webdriver while using with Java and have designed frameworks without much fuss before. I am new to python though I came across pyhton's unit testing frameworks like unittest, pyunit, nose e.t.c but I have doubts if they would be as successful as testNG or Java. I would like to analyze point by point when used with selenium webdriver as below: 1)I have read that as Python is an interpreted language hence it's execution is slower, so say if I have to run 1000 test cases which take about 6 hours to run in Java, would python take considerably longer time for the same test cases like 8 hours? 2)Can the Python unit testing framework be as flexible as a Java unit testing framework like testNG in terms or Grouping the tests, parallel execution, skipping test. e.t.c 3)Also one point that I think of is that Python with selenium webdriver doeasn't have as big or learned community as we have for Java with webdriver, say if I run into trouble with something I am more likely to find an answer for Java as compared to python? 4)Somewhat related to point 3, is it safe to rely on tools, plugins or even webderiver's python's binding as a continuously well maintained? 5)One major drawback as I see while using python's unit testing framework is lack of boilerplate code or libraries for nicely illustrative HTML reports preferably historical reports with Pie charts, bar graphs and timelines as we have in case of Java like Allure, TestNG's default reports, reportNG or Junit reports with the help of ANT as shown below Allure Reports Junit Historical reports Also I would like to emphasize on the fact if there is a way for one to write the framework in java and make libraries or utilities according to out application in webdriver which can easily be called or integrated in with python code or modules? That would actually solve the problem for us as the client would be able to use the code we write in Java and make use of the same or call it from their python modules?

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  • unmet dependencies and broken count>0 problem

    - by Simon
    I tried installing fbreader, following all the steps, but ended up with unmet dependencies, i also think a file is referenced in two locations at once and hence killing it.. any ideas how I can fix it? i've done alot of research and tried: simon@simon-Studio-1558:~$ sudo apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following packages were automatically installed and are no longer required: dkms patch Use 'apt-get autoremove' to remove them. The following extra packages will be installed: libzlcore0.12 The following NEW packages will be installed: libzlcore0.12 0 upgraded, 1 newly installed, 0 to remove and 61 not upgraded. 6 not fully installed or removed. Need to get 0 B/270 kB of archives. After this operation, 811 kB of additional disk space will be used. Do you want to continue [Y/n]? y (Reading database ... 179860 files and directories currently installed.) Unpacking libzlcore0.12 (from .../libzlcore0.12_0.12.10dfsg-4_i386.deb) ... dpkg: error processing /var/cache/apt/archives/libzlcore0.12_0.12.10dfsg-4_i386.deb (--unpack): trying to overwrite '/usr/lib/libzlcore.so.0.12.10', which is also in package libzlcore 0.12.10-1 No apport report written because MaxReports is reached already dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Errors were encountered while processing: /var/cache/apt/archives/libzlcore0.12_0.12.10dfsg-4_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1) sorry for the formatting, but it basically isn't liking: dpkg: error processing /var/cache/apt/archives/libzlcore0.12_0.12.10dfsg-4_i386.deb (--unpack): trying to overwrite '/usr/lib/libzlcore.so.0.12.10', which is also in package libzlcore 0.12.10-1 Any ideas? Also I don't care about keeping the program, but the error is stopping sudo apt-get remove fbreader from working too.

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  • A problem on Windows 7. Is it a bug?

    - by yihang
    I am running Windows 7 Ultimate. I tried to copy something into my Pendrive. The copying windows will appear. Now, try to click on the small icon on the left of the title bar. A context menu will appear. Click on the icon again. The context menu will disappear but the copying process is also canceled. So, do you have this problem? Is it a bug?

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  • Looking Back at MIX10

    - by WeigeltRo
    It’s the sad truth of my life that even though I’m fascinated by airplanes and flight in general since my childhood days, my body doesn’t like flying. Even the ridiculously short flights inside Germany are taking their toll on me each time. Now combine this with sitting in the cramped space of economy class for many hours on a transatlantic flight from Germany to Las Vegas and back, and factor in some heavy dose of jet lag (especially on my way eastwards), and you get an idea why after coming back home I had this question on my mind: Was it really worth it to attend MIX10? This of course is a question that will also be asked by my boss at Comma Soft (for other reasons, obviously), who decided to send me and my colleague Jens Schaller, to the MIX10 conference. (A note to my German readers: An dieser Stelle der Hinweis, dass Comma Soft noch Silverlight-Entwickler und/oder UI-Designer für den Standort Bonn sucht – aussagekräftige Bewerbungen bitte an [email protected]) Too keep things short: My answer is yes. Before I’ll go into detail, let me ask the heretical questions whether tech conferences in general still make sense. There was a time, where actually being at a tech conference gave you a head-start in regard to learning about new technologies. Nowadays this is no longer true, where every bit of information and every detail is immediately twittered, blogged and whatevered to death. In the case of MIX10 you even can download the video-taped sessions shortly after. So: Does visiting a conference still make sense? It depends on what you expect from a conference. It should be clear to everybody that you’ll neither get exclusive information, nor receive training in a small group. What a conference does offer that sitting in front of your computer does not can be summarized as follows: Focus Being away from work and home will help you to focus on the presented information. Of course there are always the poor guys who are haunted by their work (with mails and short text messages reporting the latest showstopper problem), but in general being out of your office makes a huge difference. Inspiration With the focus comes the emotional involvement. I find it much easier to absorb information if I feel that certain vibe when sitting in a session. This still means that I have put work into reviewing the information later, but it’s a better starting point. And all the impressions collected at a (good) conference combined lead to a higher motivation – be it by the buzz (“this is gonna be sooo cool!”) or by the fear to fall behind (“man, we’ll have work on this, or else…”). People At a conference it’s pretty easy to get into contact with other people during breakfast, lunch and other breaks. This is a good opportunity to get a feel for what other development teams are doing (on a very general level of course, nobody will tell you about their secret formula) and what they are thinking about specific technologies. So MIX10 did offer focus, inspiration and people, but that would have meant nothing without valuable content. When I (being a frontend developer with a strong interest in UI/UX) planned my visit to MIX10, I made the decision to focus on the "soft" topics of design, interaction and user experience. I figured that I would be bombarded with all the technical details about Silverlight 4 anyway in the weeks and months to come. Actually, I would have liked to catch a few technical sessions, but the agenda wasn’t exactly in favor of people interested in any kind of Silverlight and UI/UX/Design topics. That’s one of my few complaints about the conference – I would have liked one more day and/or more sessions per day. Overall, the quality of the workshops and sessions was pretty high. In fact, looking back at my collection of conferences I’ve visited in the past I’d say that MIX10 ranks somewhere near the top spot. Here’s an overview of the workshops/sessions I attended (I’ll leave out the keynotes): Day 0 (Workshops on Sunday) Design Fundamentals for Developers Robby Ingebretsen is the man! Great workshop in three parts with the perfect mix of examples, well-structured definition of terminology and the right dose of humor. Robby was part of the WPF team before founding his own company so he not only has a strong interest in design (and the skillz!) but also the technical background.   Design Tools and Techniques Originally announced to be held by Arturo Toledo, the Rosso brothers from ArcheType filled in for the first two parts, and Corrina Black had a pretty general part about the Windows Phone UI. The first two thirds were a mixed bag; the two guys definitely knew what they were talking about, and the demos were great, but the talk lacked the preparation and polish of a truly great presentation. Corrina was not allowed to go into too much detail before the keynote on Monday, but the session was still very interesting as it showed how much thought went into the Windows Phone UI (and there’s always a lot to learn when people talk about their thought process). Day 1 (Monday) Designing Rich Experiences for Data-Centric Applications I wonder whether there was ever a test-run for this session, but what Ken Azuma and Yoshihiro Saito delivered in the first 15 minutes of a 30-minutes-session made me walk out. A commercial for a product (just great: a video showing a SharePoint plug-in in an all-Japanese UI) combined with the most generic blah blah one could imagine. EPIC FAIL.   Great User Experiences: Seamlessly Blending Technology & Design I switched to this session from the one above but I guess I missed the interesting part – what I did catch was what looked like a “look at the cool stuff we did” without being helpful. Or maybe I was just in a bad mood after the other session.   The Art, Technology and Science of Reading This talk by Kevin Larson was very interesting, but was more a presentation of what Microsoft is doing in research (pretty impressive) and in the end lacked a bit the helpful advice one could have hoped for.   10 Ways to Attack a Design Problem and Come Out Winning Robby Ingebretsen again, and again a great mix of theory and practice. The clean and simple, yet effective, UI of the reader app resulted in a simultaneous “wow” of Jens and me. If you’d watch only one session video, this should be it. Microsoft has to bring Robby back next year! Day 2 (Tuesday) Touch in Public: Multi-touch Interaction Design for Kiosks & Architectural Experiences Very interesting session by Jason Brush, a great inspiration with many details to look out for in the examples. Exactly what I was hoping for – and then some!   Designing Bing: Heart and Science How hard can it be to design the UI for a search engine? An input field and a list of results, that should be it, right? Well, not so fast! The talk by Paul Ray showed the many iterations to finally get it right (up to the choice of a specific blue for the links). And yes, I want an eye-tracking device to play around with!   The Elephant in the Room When Nishant Kothary presented a long list of what his session was not about, I told to myself (not having the description text present) “Am I in the wrong talk? Should I leave?”. Boy, was I wrong. A great talk about human factors in the process of designing stuff.   An Hour with Bill Buxton Having seen Bill Buxton’s presentation in the keynote, I just had to see this man again – even though I didn’t know what to expect. Being more or less unplanned and intended to be more of a conversation, the session didn’t provide a wealth of immediately useful information. Nevertheless Bill Buxton was impressive with his huge knowledge of seemingly everything. But this could/should have been a session some when in the evening and not in parallel to at least two other interesting talks. Day 3 (Wednesday) Design the Ordinary, Like the Fixie This session by DL Byron and Kevin Tamura started really well and brought across the message to keep things simple. But towards the end the talk lost some of its steam. And, as a member of the audience pointed out, they kind of ignored their own advice when they used a fancy presentation software other then PowerPoint that sometimes got in the way of showing things.   Developing Natural User Interfaces Speaking of alternative presentation software, Joshua Blake definitely had the most remarkable alternative to PowerPoint, a self-written program called NaturalShow that was controlled using multi-touch on a touch screen. Not a PowerPoint-killer, but impressive nevertheless. The (excellent) talk itself was kind of eye-opening in regard to what “multi-touch support” on various platforms (WPF, Silverlight, Windows Phone) actually means.   Treat your Content Right The talk by Tiffani Jones Brown wasn’t even on my planned schedule, but somehow I ended up in that session – and it was great. And even for people who don’t necessarily have to write content for websites, some points made by Tiffani are valid in many places, notably wherever you put texts with more than a single word into your UI. Creating Effective Info Viz in Microsoft Silverlight The last session of MIX10 I attended was kind of disappointing. At first things were very promising, with Matthias Shapiro giving a brief but well-structured introduction to info graphics and interactive visualizations. Then the live-coding began and while the result was interesting, too much time was spend on wrestling to get the code working. Ending earlier than planned, the talk was a bit light on actual content, but at least it included a nice list of resources. Conclusion It could be felt all across MIX10, UIs will take a huge leap forward; in fact, there are enough examples that have already. People who both have the technical know-how and at least a basic understanding of design (“literacy” as Bill Buxton called it) are in high demand. The concept of the MIX conference and initiatives like design.toolbox shows that Microsoft understands very well that frontend developers have to acquire new knowledge besides knowing how to hack code and putting buttons on a form. There are extremely exciting times before us, with lots of opportunity for those who are eager to develop their skills, that is for sure.

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