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• What's So Smart About Oracle Exadata Smart Flash Cache?

  - by kimberly.billings

  Want to know what's so "smart" about Oracle Exadata Smart Flash Cache? This three minute video explains how Oracle Exadata Smart Flash Cache helps solve the random I/O bottleneck challenge and delivers extreme performance for consolidated database applications. Exadata Smart Flash Cache is a feature of the Sun Oracle Database Machine. With it, you get ten times faster I/O response time and use ten times fewer disks for business applications from Oracle and third-party providers. Read the whitepaper for more information. var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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• Exadata a kiskereskedelem (retail) számára

  - by Fekete Zoltán

  Egyik kedvenc blogomban a Rittman Mead honlapján hasznos eloadásra jelent meg infó és letöltési lehetoség. (Lásd a jobb oldali Top Tags dobozban a "blog" kulcsszót, és a legalsó bejegyzést.) Az eloadás címe: Exadata in the Retail Sector, azaz Exadata a felhasználása a kiskereskedelemben. Ezt az eloadást Jon Mead tartotta 2010. március 23-án Londonban az Exadata V2, Oracle Extreme Performance Data Warehousing Seminar rendezvényen. Mint láthatjuk, szinte minden gyümölcsrol beszéltek az Oracle adattárház és üzleti intelligencia virágzó gyümölcsökertjébol az Oracle BI, 11gR2 adattárház tulajdonságai és más témákban. Az eloadások a következo területekrol szóltak: - Exadata techikai ismertetés - ügyfél sztorik: LGR, Allegro, és nagy-britannia egyik legnagyobb online elektronikai kiskereskedelmi cége - Oracle BI - GoldenGate (adatreplikáció) - advanced compression (tranzakciós adatok tömörítése) - particionálás - OLAP - adatbányászat, Oracle Data Mining

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• ‘Unleash the Power of Oracle WebLogic 12c: Architect, Deploy, Monitor and Tune JEE6’: Free Hands On Technical Workshop

  - by JuergenKress

  Come to our Workshop and get bootstrapped in the use of Oracle WebLogic 12c for high performance systems. The workshop, organised by Oracle Gold Partners - C2B2 Consulting -  and run by the Oracle Application Grid Certified Specialist Steve Milldge, will start with a simple WebLogic 12c system which will scale up to a distributed, reliable system designed to give zero downtime and support extreme throughput. When? Wednesday,25th of July Where? Oracle Corporation UK Ltd. One South Place, London EC2M 2RB Visit www.c2b2.co.uk/weblogic and join us for this unique technical event to learn, network and play with some cool technology! WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: c2b2,ias to WebLogic,WebLogic basic,ias upgrade,C2B2,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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• Prototype Fanless Heatsink Is Silent and Dust-Immune

  - by Jason Fitzpatrick

  What does this chip cooler do that your’s doesn’t? Run 30 times more efficiently, nearly silently, and repel any dust that settles on it, for starters. Check out the video to see it in action. Although the video is a bit dry the heatsink in action is pretty impressive–nearly silent? repels dust? radically more efficient? Our only complaint is we can’t slap one on a test machine right this minute. [via Extreme Tech] How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me?

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• Does professionalism in job postings matter?

  - by Wings87

  I came across this job posting: http://www.justin.tv/jobs/jobs. The page contains some bad language ("No bulls--t"). I personally find this vaguely offensive, and it would certainly put me off applying to work there: It made me wonder what kind/personality of people work at this company. At least where I'm from (EU), the language would be considered bad form, and it would be seen as badly representing the company. Some job postings seem to go to the other extreme, filled with vacuous people skill descriptions and irrelevant details. It's tempting to dream up pictures of each company based on their job posting. So, does professionalism in job postings matter? Are you inclined to see through bad language, irrelevant corporate speak and so on, or do these affect interest in a job?

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• Vertex Normals, Loading Mesh Data

  - by Ramon Johannessen

  My test FBX mesh is a cube. From what I surmise, it seems that the cube is on the extreme end of this issue, but I believe that the same issue would be able to occur in any mesh: Each vertex has 3 normals, each pointing a different direction. Of course loading in any type of mesh, potentially ones having thousands of vertices, I need to use indices and not duplicate shared verts. Currently, I'm just writing the normals to the vertex at the index that the FBX data tells me they go to, which has the effect of overwriting any previous normal data. But for lighting calculations I need more info, something that's equivalent to a normal per face, but I have no idea how this should be done. Do I average the 3 different verts' normals together or what?

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• Is it necessary to read every single byte to check if a copied file is identical to the original?

  - by Koen027

  I recently learned of a program called Total Commander. It's a Windows Explorer replacement and has its own stuff to copy files. To check whether the files are identical, instead of calculation a CRC, it literally checks every single byte, one at a time, on both the original and the copy. My question is: Is this necessary? Can CRC or any other such technique go wrong? Should you, as a programmer, try and implement this perfect but slow system, or is it too extreme?

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• Microsoft imagine les smartphones du futur, plaques de verres transparentes et sans bords

  Mise à jour du 11.05.2010 par Katleen Microsoft imagine les smartphones du futur, plaques de verres transparentes et sans bords Microsoft vient de publier une vidéo futuriste dans laquelle l'éditeur imagine un monde où les claviers et les écrans deviennent des surfaces en verre transparentes, de diverses formes et tailles, sur lesquelles s'affichent des interfaces que les utilisateurs pilotent par de simples mouvements de doigts. Dans ce monde potentiellement à venir, les icônes et informations sont partout dans le décor, et dans le "réel". La vidéo présente un concept de smartphone au design simplifié à l'extrême : petite plaque de verre qui se sépare en deux parties, sans ...

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• TDD with limited resources

  - by bunglestink

  I work in a large company, but on a just two man team developing desktop LOB applications. I have been researching TDD for quite a while now, and although it is easy to realize its benefits for larger applications, I am having a hard time trying to justify the time to begin using TDD on the scale of our applications. I understand its advantages in automating testing, improving maintainability, etc., but on our scale, writing even basic unit tests for all of our components could easily double development time. Since we are already undermanned with extreme deadlines, I am not sure what direction to take. While other practices such as agile iterative development make perfect since, I am kind of torn over the productivity trade-offs of TDD on a small team. Are the advantages of TDD worth the extra development time on small teams with very tight schedules?

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• Cool a Computer with Toilet Water

  - by Jason Fitzpatrick

  When most people opt to use water cooling they put together tidy coolant reservoirs complete with ambient lighting and the like. This build involves a hole in the wall and the tank of a functioning toilet. The design, courtesy of Jeff Gagnon, is unconventional, but effective. Opposite of his wall-mounted PC is a bathroom. In that bathroom he has a coolant pump in the tank of the toilet. Using the toilet tank as a thermal sink he keeps the CPU at a nice chilly 66F. Hit up the link below for more pictures, including a peek inside his hacked together toilet-tank cooling rig. How to Cool a PC with Toilet Water [Extreme Tech] How to Sync Your Media Across Your Entire House with XBMC How to Own Your Own Website (Even If You Can’t Build One) Pt 2 How to Own Your Own Website (Even If You Can’t Build One) Pt 1

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• Buzzword for "performance-aware" software development

  - by errantlinguist

  There seems to be an overabundance of buzzwords for software development styles and methodologies: Agile development, extreme programming, test-driven development, etc... well, is there any sort of buzzword for "performance-aware" development? By "performance awareness", I don't necessarily mean low-latency or low-level programming, although the former would logically fall under the blanket term I'm looking for. I mean development in which resources are recognised to be finite and so there is a general emphasis on low computational complexity, good resource management, etc. If I was to be snarky, I would say "good programming", but that doesn't seem to get the message across so well...

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• Save the Date for the Oracle Storage Community Forum at Oracle OpenWorld

  - by Ritu Chhibber-Oracle

  Dear Partners, Come and meet Oracle's Top Storage Executives, Architects and Fellow Customers & Partners at the Oracle Storage Community Forum at Oracle OpenWorld on October 1, 2014. This special event will feature interactive sessions on Oracle's Application Engineered Storage strategy, product directions, and real-world customer implementations. Discover the possibilities, as only Oracle can co-engineer hardware with Oracle Database and applications to deliver extreme performance, dynamic automation, management efficiency and cost savings. Storage Forum at Oracle OpenWorld Wednesday, October 1, 20143:30 p.m. - 5:00 p.m. Forum5:00 p.m. - 6:00 p.m. Reception Venue:Metreon – City View135 Fourth Street, Suite 4000,San Francisco, CA 94103 For more details and to register, please click here.

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• Suitable Ubuntu distribution

  - by Dr AMD

  I need help choosing a suitable distrbution for my PC. I am using an HP d530 CMT with: ?• CPU Type: Intel Pentium 4, 3000 MHz (15 x 200) ?• Motherboard Chipset: Intel Springdale-G i865G ?• System Memory: 1015 MB (PC3200 DDR SDRAM) ?• Video Adapter: Intel(R) 82865G Graphics Controller (96 MB) ?• 3D Accelerator: Intel Extreme Graphics 2 ?• Audio Adapter: Analog Devices AD1981B(L) @ Intel 82801EB ICH5 - AC'97 Audio Controller ?• Network Adapter: Broadcom NetXtreme Gigabit Ethernet I have tried to install Ubuntu 13.10 and 12.04 LTS. Everything is OK on Ubuntu 12.04 except, that the video card was not recognized and the media player, YouTube,etc. did not work properly.

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• Restore database to the point of disaster

  - by TiborKaraszi

  This is really basic, but so often overlooked and misunderstood. Basically, we have a database, and something goes south. Can we restore all the way up to that point? I.e., even if the last backup (db or log) is earlier than the disaster? Yes, of course we can (unless for more extreme cases, read on), but many don't realize/do that, for some strange reason. This blog post was inspired from a thread in the MSDN forums, which exposed just this misunderstanding. Basically the scenario was that they...(read more)

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• Restore database to the point of disaster

  - by TiborKaraszi

  This is really basic, but so often overlooked and misunderstood. Basically, we have a database, and something goes south. Can we restore all the way up to that point? I.e., even if the last backup (db or log) is earlier than the disaster? Yes, of course we can (unless for more extreme cases, read on), but many don't realize/do that, for some strange reason. This blog post was inspired from a thread in the MSDN forums, which exposed just this misunderstanding. Basically the scenario was that they...(read more)

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• Game-a-Week One Completed

  - by Matt Christian

  Last night I finished my Game-a-Week One and felt and extreme sense of accomplishment with what I finished in a single week. I removed all traces of the JigLibX code since it wasn't working properly due to my implementation and got my collision working thanks to some BoundingSpheres and Riemer's tutorials.  However, since the characters are Corndogs a rectangle bounding box would have made more sense although the bullets are only able to move forward currently. While developing it in a week was a challenge, developing it in a week while maintaining proper coding standards and clean, reusable code was damn near impossible.  It's possible my next step will be to either refactor it or move onto Game-a-Week Two. I will post a link to the game ZIP in the future.

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• How to move Objects smoothly like swimming arround

  - by philipp

  I have a Box2D project that is about to create a view where the user looks from the Sky onto Water. Or perhaps on a bathtub filled with water or something like this. The Object which holds the fluid actually does not matter, what matters is the movement of the bodies, because they should move like drops of grease on a soup, or wood on water, I can even imagine the the fluid is mercurial, extreme heavy and "lazy". How can I manipulate the bodies (every frame or time by time) to make them move like this? I started with randomly manipulation their linear velocity, but I turned out that this not very smooth and looks quite hard. Is it a better idea to check their velocity and apply impulses? Is there any example? Greetings philipp

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• How to see what's going on during shutdown

  - by Huygens

  Since a few weeks, Ubuntu freezes almost everytime when I shut it down. I know it because the shutdown animation stops and nothing is responsive: Ctrl+Alt+Del or AltGr+Syst+[r,e,i,s,u,b] don't make any difference. I have tried to look at various log files in /var/log but only INFO level message are logged. My hope to solve this problem would be to do a verbose shutdown, one where I could see what's going on, and so what's causing the problem, so I could start solving it. Therefore, as the title suggest it. Is there a way to see what's going on during shutdown? I could even go to the extreme of doing a step-by-step shutdown if this is the only way. Thanks for any tips.

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• 64 bit Ubuntu sees half my RAM

  - by koehn

  This is on my AMD FX(tm)-4100 Quad-Core Processor (according to /proc/cpuinfo) on a machine with two 4GB RAM DIMMs. BIOS shows 8GB RAM installed. Any help would be appreciated. RAM: Extreme Performance Sector 5 G Series 8GB DDR3-1333 (PC3-1066) Enhanced Latency Dual Channel Desktop Memory Kit (Two 4GB Memory Modules) MB: GA-78LMT-S2P Socket AM3+ 760G mATX AMD Motherboard CPU: FX 4100 Black Edition 3.6GHz Quad-Core Socket AM3+ Boxed Processor Here's what the software says: $ free total used free shared buffers cached Mem: 3515100 3293656 221444 0 19260 2670352 -/+ buffers/cache: 604044 2911056 Swap: 3650556 90916 3559640 $ uname -a Linux mythbuntu 3.2.0-30-generic #48-Ubuntu SMP Fri Aug 24 16:52:48 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux From lshw: *-memory description: System Memory physical id: 20 slot: System board or motherboard size: 4GiB *-bank:0 description: DIMM 1066 MHz (0.9 ns) product: None vendor: None physical id: 0 serial: None slot: A0 size: 2GiB width: 64 bits clock: 1066MHz (0.9ns) *-bank:1 description: DIMM 1066 MHz (0.9 ns) product: None vendor: None physical id: 1 serial: None slot: A1 size: 2GiB width: 64 bits clock: 1066MHz (0.9ns)

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• MVP Nomination

  - by Nick Harrison

  I have debated posting this or not. My initial thought was not to post about it. My thought was not to blog about it thinking that I would spare myself the embarrassment if I wasn't awarded. A little paranoid, I know, but these are paranoid times. After more reflection, I realize that there is no embarrassment in not winning. There is great honor in being nominated. Instead of worrying about not winning in the end, I need to enjoy the moment and enjoy being nominated. This is an extreme honor. I would to hear your stories of being nominated? What was the process like? What was your reaction? Hopefully, I will have some good news to share here soon. If not, being nominated truly is an honor.

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• What's a good tool for Scrum Project Management in game development? [closed]

  - by BleakCabalist

  I'm looking for an efficient, easy-to-learn tool for Scrum project management not for proffesional use but to use it in my thesis concerning the use of Scrum in game development. Basically I want to visualize a production process of a hypothetical game. Some fragments of the production process should be really detailed to make my point, so basically user stories, tasks, burndown charts etc. are a must. I'm using Scrum, Kanban and some Lean practices for eliminating waste. I also want to use Extreme Programming practices in this production process including TDD and Continuous Integration. I have zero experience in proffesional project management so I need something that's fairly simple to use for a newb like me. Anyone can recommend a tool like that? For now I was thinking about TargetProcess and ScrumWorks. Thanks.

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• Inside the Guts of a DSLR

  - by Jason Fitzpatrick

  It’s safe to assume that there is a lot more going on inside your modern DSLR than your grandfather’s Kodak Brownie, but just how much hardware is packed into the small casing of your average DSLR is quite surprising. Over at iFixit they’ve done a tear down of Nikon’s newest prosumer camera, the Nikon D600. The guts of the DSLR are absolutely bursting with hardware and flat-ribbon cable as seen in the photo above. For a closer look at the individual parts and to see it further torn down, hit up the link below. Nikon D600 Teardown [iFixit via Extreme Tech] 6 Ways Windows 8 Is More Secure Than Windows 7 HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8

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• Oracle Speakers at QCon New York, June 18-20, 2012

  - by Bob Rhubart

  If you're attending the QCon Conference in NYC, June 18-20, 2012, you'll find several presenters from Oracle among the impressive roster of speakers. Among those sharing their expertise at the New York event: Arun Gupta: Java EE & GlassFish Guy, Oracle Presentation: Java EE 7 and HTML5: Developing for the Cloud Brian Oliver: Global Solutions Architect, Oracle Presentation: The Live Object Pattern Cameron Purdy: Vice President of Development, Oracle Presentation: How the 10 key lessons from Java and C++ history inform the Cloud Charlie Hunt: JVM Performance Lead Engineer, Oracle Presentation: Extreme Performance with Java Registration for the event is still open. According to the website, registering before June 1 will save you $300. If you snooze, you lose.

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• ASP.NET Membership - Change password without asking the old (WITH Question and Answer)

  - by djsolid

  I have received many comments and questions about how you can do what is described in this post when you site requires question and answer. The solution is definiterly not the best and should be used with EXTREME caution because in a high traffic website can cause problems but I write it down anyway. We will use reflection in order to solve our problem. And this is the code But this code changes the only instance of MembershipProvider meaning if you access somewhere else from your application the property RequiresQuestionAndAnswer until you set back it’s original value you will get false instead of true. So again be VERY careful. Hope you find it useful!

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• which kernels can I safely purge?

  - by ecoologic

  I use the main answer of this question quite often to clear some space, but now I'm in extreme need and I'd like to better understand which kernels are safe to purge, my list is the following 10:50:58-673 - ~> dpkg -l | grep -Eo "^.i +linux-(image|headers)[^ ]+" | cut -c 5- | grep --color -E "$|"`uname -r` linux-headers-2.6.38-15 linux-headers-2.6.38-15-generic linux-headers-2.6.38-15-generic-pae linux-headers-2.6.38-16 linux-headers-2.6.38-16-generic linux-headers-2.6.38-16-generic-pae # current one linux-headers-generic linux-headers-generic-pae linux-headers-server linux-image-2.6.38-15-generic-pae linux-image-2.6.38-16-generic-pae linux-image-generic-pae linux-image-server Is it enough to keep linux-headers-2.6.38-15 linux-headers-2.6.38-15-generic linux-headers-2.6.38-15-generic-pae linux-headers-2.6.38-16 linux-headers-2.6.38-16-generic linux-headers-2.6.38-16-generic-pae # current one Or would this be enough linux-headers-2.6.38-15-generic-pae linux-headers-2.6.38-16-generic-pae # current one Or which other would be the shortest (keeping the previous one too)? And why?

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