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  • Hot: Pre-built Developer VMs from OTN

    - by Justin Kestelyn
    For those of you who haven't already played with it, Oracle VM VirtualBox is an awfully cool desktop virtualization tool. Even better, it's free. We OTN-ers like it even more than you will though because it allows us to freeze-dry entire software stacks into VM images. Developers can simply download a few files, assemble them with a script we provide, and then import and run the resulting pre-built VM in VirtualBox. Voila, instant (insert name here) stack. These VMs are particularly handy in support of in-person workshops, but there's no reason we can't make them available for everyone. Which we have done, in Java, database, and SOA/BPM flavors. (All "ingredients" are listed at the referenced link, and they are extensive.) Now that we have the kinks worked out, other flavors are sure to become available in 2011. Now go get 'em!

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  • Simulate Geo Location in Silverlight Windows Phone 7 emulator

    If youve been excited about Windows Phone 7 development and the platform being Silverlight for application development, you probably rushed and downloaded all the tools (which are free by the way). You may have even got the samples from the SDK and noticed the Location services examplebut wondered why it doesnt work. If you are just getting started, I created some quickstart videos to help you through some of the basics. You can view them here. In case you havent figured it out: Location services...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • How to Get Pro Features in Windows Home Versions with Third Party Tools

    - by Chris Hoffman
    Some of the most powerful Windows features are only available in Professional or Enterprise editions of Windows. However, you don’t have to upgrade to Windows Professional to use these powerful features – use these free alternatives instead. These features include the ability to access your desktop remotely, encrypt your hard drive, run Windows XP in a window, change advanced settings in group policy, use Windows Media Center, run an operating system off a USB stick, and more. How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It

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  • Self Documenting Code Vs. Commented Code

    - by Phill
    I had a search but didn't find what I was looking for, please feel free to link me if this question has already being asked. Earlier this month this post was made: http://net.tutsplus.com/tutorials/php/why-youre-a-bad-php-programmer/ Basically to sum it up, you're a bad programmer if you don't write comments. My personal opinion is that code should be descriptive and mostly not require comment's unless the code cannot be self describing. In the example given // Get the extension off the image filename $pieces = explode('.', $image_name); $extension = array_pop($pieces); The author said this code should be given a comment, my personal opinion is the code should be a function call that is descriptive: $extension = GetFileExtension($image_filename); However in the comments someone actually made just that suggestion: http://net.tutsplus.com/tutorials/php/why-youre-a-bad-php-programmer/comment-page-2/#comment-357130 The author responded by saying the commenter was "one of those people", i.e, a bad programmer. What are everyone elses views on Self Describing Code vs Commenting Code?

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  • 11.04 radeon screen tearing oddity

    - by Kevin Qiu
    I have a mobility radeon 5850 running 11.04 and am running catalyst 11.10 drivers. I noticed that whenever I have two windows open, one of top of the other, scrolling results in minor screen tearing, usually around the border of the window on the bottom. When I minimize or close the bottom the tearing goes away. I have tear free desktop enabled and tried looking for this specific issue but couldn't find anyone else with it. It happens in both Unity and Classic. Is there any fix for this?

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  • Good php editor

    - by Web Developer
    i have seen through other questions on the topic but most are a bit old. I looking for a good editor for developing on PHP in Linux(ubuntu). Here is my requirements Basic editor features Free Light-Weight Syntax highlighting Code Folding (class,function,if/else/while/foreach block) Code completion Invalid Syntax/Error highlighting as you type Auto code intending Snippet support(pieces of custom or language specific codes that i can insert) Extendable support It would be great if it had the following Debugging support WYSIWYG Code formatting Framework support(cakephp/yii/zend/smarty) Testing support Todo Native look and feel(Gnome) Flex/ROR support is welcome but not a requirement Mysql support I have tried the following editors Netbeans - it bloated, resource hogging and doesnt not have a native look and feel. Eclipse is okay but i cant fold if/while blocks and slow. Gedit can be extended and i have tried it but still i could not fold code or show error. I currently use Geany but it doesn't inform me of syntax errors as i type. If you have ways to solve the problems with above editors they too are also welcome

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  • Ping.eu

    - by Sarang
    Found an interesting resource thanks to a close friend. Ping.eu is a free service which would let you test various aspects related to networks which would typically be pain inducing doing it on your own. For seasoned network professional having a MAC address of their own instead of a name :) this might not be that useful. However for a layperson like me this an invaluable resource. These guys provide you with following services: Ping – Shows how long it takes for packets to reach host Traceroute – Traces the route of packets to destination host from our server DNS lookup – Look up DNS record WHOIS – Lists contact info for an IP or domain Port check – Tests if port is opened on specified IP Reverse lookup – Gets hostname by IP address Proxy checker – Detects a proxy server Mail relaying – Tests relaying capabilities of specified mail-server Bandwidth meter – Detects your download speed from our server Network calculator – Calculates subnet range by network mask Network mask calculator – Calculates network mask by subnet range Country by IP – Detects country by IP or hostname Unit converter – Converts values from one unit to another   Taken straight from their site. Thanks Ping.eu

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  • Recent Updates on Oracle Hardware Technical Resource Center

    - by uwes
    Over the last two weeks there have been some updates on the Oracle Hardware Technical Resource Center (HW TRC). The following list summarize the categories which have been added or changed. Feel free to explore. SPARC Netra T4 Servers customer and technical presentation, partner FAQ and more Oracle Solaris added: 4 customer presentations, technical presentation StorageTek Virtual Storage Manager (VSM) and Virtual Library Extension (VLE) added presentations: customer, technical, value virtual tape, role of tape in mainframe, partner FAQ, config guide T10000 Tape Drives added: sales and technical presentation, partner FAQ T9840D Tape Drives added: sales and technical presentation, FAQ LTO Tape Drives added: customer and technical presentation, partner FAQ, ordering guide and more Netra ATCA Blade Servers Netra x86 Servers added: technical presentation, partner FAQ, configuration hints and more Netra 6000 Modular System added: customer and technical presentation, partner FAQ, order menu and more

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  • My Lightning Talk in MP3 format

    - by Rob Farley
    Download it now via http://bit.ly/RFCollation  Lots of people tell me they wish they’d heard my Lightning Talk from the PASS Summit. This was the one that was five minutes, in which I explained Collation using examples comparing US English, UK English and Australian English. At the end, I showed my Arsenal thongs. You can see a picture of them below. There was a visual joke involving the name Arsenal too... After the recordings became available, I asked the PASS legal people, and they said I could do what I liked with my own five-minute set, so long as I didn’t sell it. So I made an MP3. I’ve uploaded it to the LobsterPot Solutions web server, and provided an easy link via http://bit.ly/RFCollation. It’s a link straight to the MP3, and you’re welcome to download it, put it on your iPod, whatever you like. And also feel free to write comments here, to let me know what you think.

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  • apache 2.4 redirect within virtualhost

    - by user129545
    I have a couple http (port 80) vhosts that I want to redirect to http if an https request is made to them. Apparently some things have changed with Apache 2.4 (NameVirtualHost not used like it was in the past, etc). Apache 2.4 on centos 5.5, This is all using a single ip for all vhosts below, I don't have multiple ip's on this box, my /usr/local/apache2/conf/extra/httpd-vhosts.conf : # <VirtualHost www.dom1.com:80> ServerName www.dom1.com ServerAlias dom1.com DocumentRoot /usr/local/apache2/htdocs/dom1/wordpress </VirtualHost> <VirtualHost webmail.dom2.com:443> ServerName webmail.dom2.com DocumentRoot /usr/local/apache2/htdocs/webmail SSLEngine On SSLCertificateFile /usr/local/apache2/webmail.crt SSLCertificateKeyFile /usr/local/apache2/webmail.key </VirtualHost> # my /usr/local/apache2/conf/extra/httpd-ssl.conf, # Listen 443 SSLPassPhraseDialog builtin SSLSessionCache shmcb:/var/cache/mod_ssl/scache(512000) SSLSessionCacheTimeout 300 Mutex default SSLRandomSeed startup file:/dev/urandom 512 SSLRandomSeed connect builtin SSLCryptoDevice builtin # webmail.dom2.com works fine. Problem is I can connect to https://www.dom1.com, and it serves up the content from webmail.dom2.com. I want any https requests for www.dom1.com on port 443 to simply redirect to http://www.dom1.com on port 80. Thanks

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  • Rip and Convert DVD’s to an ISO Image

    - by Mysticgeek
    If you own a lot of DVD’s, you might want to convert them to an ISO image for backup and easily playing them on your media center. Today we take a look at ripping your discs using DVDFab, then using ImgBurn to create an ISO image of the ripped DVD files. Rip DVD with DVDFab6 DVDFab will remove copy protection and rip the DVD files for free. Other components in the suite require you to purchase a license after the 30 day trial, but you’ll still be able to rip DVD’s after the trial. Install DVDFab by accepting the defaults (link below)…a system restart is required to complete the install process. The first time you run it, a welcome screen is displayed. If you don’t want to see it again check the box Do not show again, then Start DVDFab.  Pop the DVD in your drive and click Next. Now select your region and check Do not show again, then OK. It will then open the DVD and begin to scan it. Under DVD to DVD you can select either Full Disc or Main Movie depending on what you want to rip. If you want to burn the DVD to a disc after it’s created select the Full Disc option. Now click the Start button to begin the ripping process. After the ripping process has completed, you’ll get a message telling you it’s waiting for you to put in a blank DVD. Since we aren’t burning the disc, just cancel the message. Click Finish and close out of DVDFab or just minimize it if you’re going to keep using it to rip another DVD. By default the temporary directory is in My Documents \ DVDFab \ Temp…however you can change it in settings. If you go to the Temp directory you’ll see the DVD files listed there… Convert Files to ISO with ImgBurn Now that we have the files ripped from the DVD, we need to convert them to an ISO image using ImgBurn (link below). Open it up and from the main menu click on Create image file from files/folders. Click on the folder icon to browse to the location of the ripped DVD files. Browse to the DVDFab temp directory and the VIDEO_TS folder for the source and click Ok. Then choose a destination directory, give the ISO a name, and click Save. In this case we ripped the Unbreakable DVD, so named it that.   So now in ImgBurn you have the source being the ripped DVD files, and the destination for the ISO…then click the Build button. If you don’t create a volume label, ImgBurn is kind enough to create on for you. If everything looks correct, click Ok. Now wait while ImgBurn goes through the process of converting the ripped DVD files to an ISO image. The process has successfully completed. The ISO image of the DVD will be in the output directory you selected earlier. Now you can burn the ISO image to a blank DVD or store it on an external hard drive for safe keeping. When you’re done, you’ll probably want to go into the temp DVDFab folder and delete the VOB and other files in the Video_TS folder as they will take up a lot of space on your hard drive.   Conclusion Although this method requires two programs to make an ISO out of a DVD, it’s extremely quick. When burning DVD’s of various lengths, it took less than 30 minutes to get the final ISO. Now, you’ll have your DVD movies backed up in case something were to happen to the discs and are no longer playable. If you use Windows Media Center to watch your movies, check out our article on how to automatically mount and view ISO files in Windows 7 Media Center. With DVDFab, you get a 30 day fully functional trial for all of its features. You’ll still be able rip DVD’s even after the 30 day trial has ended. The more we’ve been using DVDFab, the more impressed we are with its capabilities, so after the 30 day trial you should consider purchasing a license. We will have a full review of the of it to share with you soon.  Download DVDFab Download ImgBurn Similar Articles Productive Geek Tips How To Rip DVDs with VLCCalculate with Qalculate on LinuxConvert a Row to a Column in Excel the Easy WayEnjoy Quick & Easy Unit Conversion with Convert for WindowsConvert Older Excel Documents to Excel 2007 Format TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 PCmover Professional Beware Hover Kitties Test Drive Mobile Phones Online With TryPhone Ben & Jerry’s Free Cone Day, 3/23/10 New Stinger from McAfee Helps Remove ‘FakeAlert’ Threats Google Apps Marketplace: Tools & Services For Google Apps Users Get News Quick and Precise With Newser

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  • Matrix rotation of a rectangle to "face" a given point in 2d

    - by justin.m.chase
    Suppose you have a rectangle centered at point (0, 0) and now I want to rotate it such that it is facing the point (100, 100), how would I do this purely with matrix math? To give some more specifics I am using javascript and canvas and I may have something like this: var position = {x : 0, y: 0 }; var destination = { x : 100, y: 100 }; var transform = Matrix.identity(); this.update = function(state) { // update transform to rotate to face destination }; this.draw = function(ctx) { ctx.save(); ctx.transform(transform); // a helper that just calls setTransform() ctx.beginPath(); ctx.rect(-5, -5, 10, 10); ctx.fillStyle = 'Blue'; ctx.fill(); ctx.lineWidth = 2; ctx.stroke(); ctx.restore(); } Feel free to assume any matrix function you need is available.

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  • lost the vertical scroll function in touchpad after upgrading from 13.04 to 13.10

    - by Lars Lundblad
    just upgraded from Ubuntu 13.04 to Ubuntu 13.10, my Laptop is a Sony SVE1512c6ew, scrolling worked perfectly in Ubuntu 13.04, doesnt work at all in 13.10 Runs Ubuntu 13.10 64bits (btw, tested it i Windows 8 environment works there)Hardware OK, have seen a number of other users with the same problem, well for starters have followed the tip on using the dconf editor, following the path: org gnome settings-daemon peripherals touchpad boxed in all for sure... still cant get vertical scroll...... Any ideas??? Thanks in advance Lars Lundblad / please feel free to mail answers to [email protected] Input device information according to Udev: Input device Subsystem: input Devtype: n/a Name: input7 Number: 7 Sysfs_path: /sys/devices/platform/i8042/serio1/input/input7 Driver: n/a Action: n/a Seqnum: n/a Device type: n/a Device number: 0 Device file: n/a Device file symlinks: n/a Touchpad device Subsystem: input Devtype: n/a Name: mouse1 Number: 1 Sysfs_path: /sys/devices/platform/i8042/serio1/input/input7/mouse1 Driver: n/a Action: n/a Seqnum: n/a Device type: char Device number: 3361 Device file: /dev/input/mouse1 Device file symlinks: /dev/input/by-path/platform-i8042-serio-1-mouse

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  • Access to the Technology Software

    - by rituchhibber
    The Technology Program software is available to Oracle partners, free of charge, for demonstration and development purposes according to the terms of the OPN Agreement. Instructions for Ordering Software: Download software via the Oracle Software Delivery Cloud website. Downloads are available in most countries. To determine if downloads are available within your country click on the Download software link. Request a physical shipment of the software by downloading and completing the Development and Demonstration Ordering Document (XLS). Should you have additional questions or need assistance in completing the ordering document, please contact your local Partner Business Center. Incomplete orders will not be processed.

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  • Announcing the Return of the AGILITY Awards for Excellence in PLM!

    - by Kerrie Foy
    Nominations for the Oracle Excellence in PLM “AGILITY” Awards are now open. These awards are exclusively for enterprises utilizing Oracle Agile PLM solutions to address relevant industry and business challenges, and will be given to companies that have innovatively carried out projects that quantitatively improved processes, business results, and competitiveness.  Winners will receive a FREE pass to the Oracle Value Chain Summit (visit www.oracle-DOT-com/goto/vcs for more), taking place in San Francisco, February 4-6, 2013. Agile customers, partners and Oracle representatives are all welcome to submit nominations. To receive a nomination form or to get more information about the process, email terri.hiskey-AT-oracle.com. Deadline for submissions is Friday, December 14, 2012.

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  • Two more Entity Framework videos on Pluralsight

    Two new videos that I have created for Visual Studio 2010 have just been published to Pluralsight On-Demand. If you dont have a Pluralsight subscription (yet), these videos are available as part of PODs free guest pass along with lots of other great content. The new vids are Exploring the Classes Generated from an Entity Data Model and Consuming an Entity Data Model from a Separate .NET Project. Theyll be available on the MSDN Data Developer center as well (msdn.microsoft.com/data) in the very...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • DNS and Wildcard CNAME

    - by Thomas Chapman
    Whenever I attempt to make a record for *.schneiderdonnelly.com.au and CNAME it, I get two errors: You can't mix CNAME/MX records together using the same hostname. Domain root's cannot be CNAME's, however you can web-forward this record to www.schneiderdonnelly.com.au instead for the same effect. I've read it's possible so why can't I make it work? I donated $5 to be a premium member and I've been trying to make it work for yonks. http://i.stack.imgur.com/D9Ui5.jpg This is how I want it to appear. The last record. I am prepared to swap DNS providers as long as they're free.

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  • How to remove mount point not selected error?

    - by Karan H. Joshi
    I've free dos laptop with i3 processor 4gb ram nd 500gb hdd. I've installed windows 8 manually and created all partitions. My partitions are: C: Windows8 90GB NTFS D: Blank 25GB FAT32 E: Entertainment 117GB NTFS F: Other 117GB NTFS G: Software 117GB NTFS Now, I've made flash drive for Ubuntu 13.04 and want to install on D: I've tried a lot to install on that partition but every time I got error of No mount point selected. But actually I've selected / as mount point. So please help me to solve this problem. and also suggest me what to do for /home. Note: I want to access windows 8 as my main operating system.

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  • howto configure mod_proxy for apache2, jetty

    - by Kaustubh P
    Hello, This is how I have setup my environment, atm. An apache2 instance on port 80. Jetty instance on the same server, on port 8090. Use-Case: When I visit foo.com, I should see the webapp, which is hosted on jetty, port 8090. If I put foo.com/blog, I should see the wordpress blog, which is hosted on apache. (I read howtos on the web, and installed it using AMP.) Below are my various configuration files: /etc/apache2/mods-enabled/proxy.conf: ProxyPass / http://foo.com:8090/ << this is the jetty server ProxyPass /blog http://foo.com/blog ProxyRequests On ProxyVia On <Proxy *> Order deny,allow Allow from all </Proxy> ProxyPreserveHost On ProxyStatus On /etc/apache2/httpd.conf: LoadModule proxy_module /usr/lib/apache2/modules/mod_proxy.so LoadModule proxy_balancer_module /usr/lib/apache2/modules/mod_proxy_balancer.so LoadModule proxy_http_module /usr/lib/apache2/modules/mod_proxy_http.so LoadModule proxy_ajp_module /usr/lib/apache2/modules/mod_proxy_ajp.so I have not created any other files, in sites-available or sites-enabled. Current situation: If I goto foo.com, I see the webapp. If I goto foo.com/blog, I see a HTTP ERROR 404 Problem accessing /errors/404.html. Reason: NOT_FOUND powered by jetty:// If I comment out the first ProxyPass line, then on foo.com, I only see the homepage, without CSS applied, ie, only text.. .. and going to foo.com/blog gives me a this error: The proxy server received an invalid response from an upstream server. The proxy server could not handle the request GET /blog. Reason: Error reading from remote server I also cannot access /phpmyadmin, giving the same 404 NOT_FOUND error as above. I am running Debian squeeze on an Amazon EC2 Instance. Question: Where am I going wrong? What changes should I make in the proxy.conf (or another conf files) to be able to visit the blog?

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  • Why did Alan Kay say, "The Internet was so well done, but the web was by amateurs"?

    - by kalaracey
    OK, so I paraphrased. The full quote: The Internet was done so well that most people think of it as a natural resource like the Pacific Ocean, rather than something that was man-made. When was the last time a technology with a scale like that was so error-free? The Web, in comparison, is a joke. The Web was done by amateurs. -- Alan Kay. I am trying to understand the history of the Internet and the web, and this statement is hard to understand. I have read elsewhere that the Internet is now used for very different things than it was designed for, and so perhaps that factors in. What makes the Internet so well done, and what makes the web so amateurish? (Of course, Alan Kay is fallible, and no one here is Alan Kay, so we can't know precisely why he said that, but what are some possible explanations?) *See also the original interview*.

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  • Our Geek Trivia App for Windows 8 is Now Available Everywhere

    - by The Geek
    When we first released our Geek Trivia app, it was sadly only available in the US store for Windows 8, but now you can get it no matter where you live. It’s completely free, so get your copy right now! For those that aren’t familiar with this app—it’s really quite simple: if you want your daily dose of Geek Trivia to show up on a Live Tile on your Windows 8 Start Screen, get this app. We’ve also got quizzes, loads of previous trivia, and we’ll be adding even more features in the near future. Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode HTG Explains: Does Your Android Phone Need an Antivirus?

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  • New at TRC: Networking Products

    - by uwes
    The new category "Networking Products" has been added last week at Oracle Hardware Technical Resource Center (HW TRC). The following list summarize the different areas which are included. Feel free to explore. Oracle Virtual Networking customer and technical presentation, Datasheets, partner FAQ and more 10 GbE Network Adapters and Switches customer and technical presentations, Datasheets, partner FAQ, Documentation and more Gigabit Ethernet customer presentations, partner FAQ, Documentation and more InfiniBand Datasheets, partner FAQ and Documentation Blade Server Network Express Modules (NEMs) technical presentation, Datasheets, partner FAQ, White Paper and more Storage Networking customer presentations, Datasheets, partner FAQ and more Please be aware that you need to be registered at the Oracel HW TRC. To register click here ... and follow the instructions..

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  • Jesse Liberty at the Montreal User Group, take 3

    This is our last attempt to get Jesse Liberty at the Montreal User Group (and there wont be any take 4 as this is the very last meeting of the season), so we cross fingers that everything will be fine this time! RunAtServer Consulting is the proud sponsor of this event. What: Silverlight 4, MVVM and Test-Driven Development When: June 16, 2010 at 6:15pm. Where: Microsoft Montreal office at 2000 McGill College, 4th floor, Montreal, QC, H3A 3H3. Price: Free for members of the User...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • How to play Minecraft Classic?

    - by djeikyb
    First off, I've read through this question: How to install minecraft?. I'm interested in the free web-embedded version (for demo purposes), not the paid and downloaded .jar file. I removed the open-java whatever that Ubuntu prefers to use. I installed sun-java6-jre. Then I ran sudo update-alternatives --config java to ensure I was using Sun's Java. Restarted my browsers, then tried to start the game from: http://www.minecraft.net/play.jsp It pops a prompt to make sure I really want to allow direct interaction between minecraft.net and my computer, I agree. The in browser display mumbles something about loading a library, then darkness. The page doesn't crash, ps shows the java plugin process, all seems well except the game doesn't load. I see the same behaviour on Chromium 11.0.662.0 (73963) as Firefox 4 RC1.

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  • What reasons are there for not using a third party version control service?

    - by Earlz
    I've recently noticed a bit of a trend for my projects as of late. I use to run my own SVN server on my VPS, but recently the nail went in the coffin for that when I got my last project migrated from my server to a Mercurial repo on Bitbucket. What are some of the ramifications to this? (disregarding the change in version control systems) It seems like there has been a huge explosion in version control hosting, and companies like Bitbucket even offer private repos for free, and Github and other such services are extremely cheap now. Also, by using them you get the benefit of their infrastructure's speed and stability. What reasons are there these days to host your own version control? The only real reason I can think of is if your source code is super top secret.

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