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• OWB és heterogén adatforrások, Oracle Magazine, 2010. május-június

  - by Fekete Zoltán

  Megjelent az Oracle Magazine aktuális száma (naná, az aktuális számnak ez a dolga. Oracle Magazine, 2010. május-június. Ebben a számban sok érdekes cikk közül válogathatunk: cloud computing, Java, .Net, új generációs backup, párhuzamosság és PL/SQL, OWB,... Ajánlom a Business Intelligence - Oracle Warehouse Builder 11g Release 2 and Heterogeneous Databases cikket, melyben megtudhatjuk, hogyan használhatunk heterogén adatforrásokat az Oracle Warehouse Builder ETL-ELT eszközzel, hogyan tudunk például SQL Serverhez csatlakozni, és nagy teljesítménnyel adatokat kinyerni. Az Oracle adatintegrációs weblapja. Ez a gazdag heterogenitás az OWB az Oracle Data Integrator testvér termékbol jön. Az adatintegrációs SOD azt mondja, hogy ez a két Java alapú termék, az OWB és az ODI egy termékben fognak egyesülni.

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• Spezialisierung ohne Grenzen

  - by A&C Redaktion

  Arrow erreicht Exadata Spezialisierung für alle EMEA-Länder “Know-how sells” – das weiß auch unser VAD Arrow. Der IT-Distributor aus Fürstenfeldbruck, nahe München, hat sich auf die Bereitstellung von Enterprise und Midrange Computing Lösungen fokussiert. So auch für die Exadata Technologie von Oracle. Exadata beinhaltet Server, Speicher, Netzwerktechnik und Datenbanksoftware in einem System und hilft so, auch große Datenmengen – die „Big Data“ – spielend zu managen. Die Kombination aus Hard- und Software bietet Oracle Partnern enorme Geschäftspotenziale im Verkauf und im Service, deshalb ist eine Expertise so wichtig. Durch die vier europäischen Demo-Zentren und insgesamt acht komplett installierte Exadata reichlich Erfahrung mit der Oracle Exa-Familie sammeln können. Der VAD bietet Oracle Partnern und Kunden Performance-Tests, Testumgebungen und Proof of Concepts (PoC) an – und das länderübergreifend. Als logische Konsequenz wurde Arrow im August 2012 mit der EMEA Spezialisierung für Exadata von Oracle ausgezeichnet! Wir gratulieren ganz herzlich und wünschen viel Erfolg mit dem Exa-Stack!

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• Spezialisierung ohne Grenzen

  - by A&C Redaktion

  Arrow erreicht Exadata Spezialisierung für alle EMEA-Länder “Know-how sells” – das weiß auch unser VAD Arrow. Der IT-Distributor aus Fürstenfeldbruck, nahe München, hat sich auf die Bereitstellung von Enterprise und Midrange Computing Lösungen fokussiert. So auch für die Exadata Technologie von Oracle. Exadata beinhaltet Server, Speicher, Netzwerktechnik und Datenbanksoftware in einem System und hilft so, auch große Datenmengen – die „Big Data“ – spielend zu managen. Die Kombination aus Hard- und Software bietet Oracle Partnern enorme Geschäftspotenziale im Verkauf und im Service, deshalb ist eine Expertise so wichtig. Durch die vier europäischen Demo-Zentren und insgesamt acht komplett installierte Exadata reichlich Erfahrung mit der Oracle Exa-Familie sammeln können. Der VAD bietet Oracle Partnern und Kunden Performance-Tests, Testumgebungen und Proof of Concepts (PoC) an – und das länderübergreifend. Als logische Konsequenz wurde Arrow im August 2012 mit der EMEA Spezialisierung für Exadata von Oracle ausgezeichnet! Wir gratulieren ganz herzlich und wünschen viel Erfolg mit dem Exa-Stack!

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• Ikoula : 500 serveurs virtuels dédiés offerts, disponibles sur deux configurations et incluent MySQL et SQLServer

  Ikoula : 500 serveurs virtuels dédiés offerts Disponibles sur deux configurations et incluent MySQL et SQLServer Ikoula, leader du Cloud Computing en France propose une promotion limitée sur son offre de serveurs virtuels dédiés. 500 Flex'Servers sont en effet offerts aux premiers inscrits à cette promotion valable jusqu'au 31 janvier prochain, et ce durant 3 mois et sans engagement de durée. [IMG]http://idelways.developpez.com/news/images/flex_image.gif[/IMG] Construits sur une architecture haut de gamme (Dell, Cisco, ...) robuste et performante, les Flex'Servers de iKoula s'adaptent potentiellement à tous les besoins. Le nombre de pro...

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• May 2010 Chicago Architects Group Wrap Up

  - by Tim Murphy

  Scott Seely did a wonderful job this evening of explaining how cloud services fit into our application architectures and specifically how Azure is organized.  He covered everything from Table Storage to code name Dallas (OData).  The discussion continued well beyond the end of the meeting which was attended by members of all sectors of IT and multiple platforms. Be sure to join us in the upcoming months as we cover the following topics: June – Document Generation Architecture July – Architecting a BI Installation August - MVVM – the What, Why and When Stay tuned. del.icio.us Tags: Chicago Architects Group,Azure,Cloud Computing,Dallas,Scott Seely,MVVM,Business Intelligence

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• Can I set Ubuntu 12.10 to automatically reboot to Windows once only?

  - by Bill Tetzeli

  Is there some way when I'm in Ubuntu 12.10 that I can set it to reboot automatically to Windows just once, so that when I'm in Windows I can reboot and it will automatically boot back into Ubuntu? I need this because often when I travel I access my home computer for email and other personal info that I don't want to travel with or leave to the tender mercies of the "cloud". On rare occasions, I need to temporarily boot into Windows 7 to do something Windows-specific, but then I want to be able to boot back into Ubuntu because that's where most of my computing takes place. Any ideas? Thanks in advance! Bill

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• Learning to program on punchcards

  - by Plutor

  I'd like to try programming with punch cards once in my life. How can I do this? I'm in my 30s, and grew up entirely in the PC era, programming on computers with screens and keyboards. I want to experience the way my father and grandfather used to work. I imagine the hardware (and probably the cards themselves) are no longer manufactured. Are there any universities or museums with functioning punch card readers anymore? I'm in Boston, but I'm willing to travel to do this. I asked MetaFilter, and I got some mixed answers (along with a lot of "no, don't do this" nay-saying). I did get a pointer to the Retro-Computing Society Of Rhode Island, but I haven't received a response to my email to them yet.

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• Le grand public ne comprend rien au "Cloud" en tout cas aux États-Unis, est-ce différent ailleurs ?

  Le grand public ne comprend rien au ?Cloud? En tout cas aux Etats-Unis, est-ce différent ailleurs ? Cloud Computing, ce terme apparaît dans presque chaque nouvelle reliée au monde des nouvelles technologies. D'après une nouvelle enquête, le terme Cloud n'inspire pas plus qu'une masse blanche flottant dans le ciel pour 29% des Américains ! Est-ce différent ailleurs ? [IMG]http://idelways.developpez.com/news/images/cloud-wtf.jpg[/IMG] Selon un récent sondage national mené par le bureau d'études "Wakefield Research" et commandé par Citrix, la plupart des Américains semblent confus au sujet du Cloud. Qu'est-ce que cela veut dire réellement ? Et comme...

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• Is there a quick way to convert camera raw files to DNG?

  - by dericke

  Before I switched from Windows to Ubuntu for my daily computing, I used Adobe's Photoshop Lightroom for processing photos from my DSLR. Adobe made it really straightforward to convert from proprietary camera raw files (in my case, .NEF) to DNG. I haven't found any way to convert NEF to DNG in Ubuntu yet. Most photography programs do process NEFs to JPG/TIFF/PNG/etc., but I'm looking for a converter for archival purposes. Are there any tools available, either standalone or built into another app, that can losslessly convert from NEF to DNG?

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• Cloudcel: Excel Meets the Cloud

  - by kaleidoscope

  Cloudscale  is launching Cloudcel Cloudcel is the first product that demonstrates the full power of integrated "Client-plus-Cloud" computing. You use desktop Excel in the normal way, but can also now seamlessly tap into the scalability and massive parallelism of the cloud, entirely from within Excel, to handle your Big Data. Building an app in Cloudcel is really easy – no databases, no programming. Simply drop building blocks onto the spreadsheet (in any order, in any location) and launch the app to the cloud with a single click. Parallelism, scalability and fault tolerance are automatic. With Cloudcel, you can process realtime data streams continuously, and get alerts pushed to you as soon as important events or patterns are detected ("Set it and forget it"). Cloudcel is offered as a pay-per-use cloud service – so no hardware, no software licenses, and no IT department required to set it up. Private cloud deployments are also available. Please find below link for more detail : http://billmccoll.sys-con.com/node/1326645 http://cloudcel.com/ Technorati Tags: Tanu

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• Box2Dweb very slow on node.js

  - by Peteris

  I'm using Box2Dweb on node.js. I have a rotated box object that I apply an impulse to move around. The timestep is set at 50ms, however, it bumps up to 100ms and even 200ms as soon as I add any more edges or boxes. Here are the edges I would like to use as bounds around the playing area: // Computing the corners var upLeft = new b2Vec2(0, 0), lowLeft = new b2Vec2(0, height), lowRight = new b2Vec2(width, height), upRight = new b2Vec2(width, 0) // Edges bounding the visible game area var edgeFixDef = new b2FixtureDef edgeFixDef.friction = 0.5 edgeFixDef.restitution = 0.2 edgeFixDef.shape = new b2PolygonShape var edgeBodyDef = new b2BodyDef; edgeBodyDef.type = b2Body.b2_staticBody edgeFixDef.shape.SetAsEdge(upLeft, lowLeft) world.CreateBody(edgeBodyDef).CreateFixture(edgeFixDef) edgeFixDef.shape.SetAsEdge(lowLeft, lowRight) world.CreateBody(edgeBodyDef).CreateFixture(edgeFixDef) edgeFixDef.shape.SetAsEdge(lowRight, upRight) world.CreateBody(edgeBodyDef).CreateFixture(edgeFixDef) edgeFixDef.shape.SetAsEdge(upRight, upLeft) world.CreateBody(edgeBodyDef).CreateFixture(edgeFixDef) Can box2d really become this slow for even two bodies or is there some pitfall? It would be very surprising given all the demos which successfully use tens of objects.

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• What is the history of why bytes are eight bits?

  - by DarenW

  What where the historical forces at work, the tradeoffs to make, in deciding to use groups of eight bits as the fundamental unit ? There were machines, once upon a time, using other word sizes, but today for non-eight-bitness you must look to museum pieces, specialized chips for embedded applications, and DSPs. How did the byte evolve out of the chaos and creativity of the early days of computer design? I can imagine that fewer bits would be ineffective for handling enough data to make computing feasible, while too many would have lead to expensive hardware. Were other influences in play? Why did these forces balance out to eight bits? (BTW, if I could time travel, I'd go back to when the "byte" was declared to be 8 bits, and convince everyone to make it 12 bits, bribing them with some early 21st Century trinkets.)

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• Forbes.com: Oracle's message is Loud & Clear – “We’ve Got The Cloud”

  - by Cinzia Mascanzoni

  In a two-part series on Oracle's cloud strategy, Bob Evans reports on the October 4 meeting where Wall Street analysts questioned Mark Hurd and Safra Catz about the company's positioning for the shift to cloud computing. Access the article and read the Q&A exchanges between the analysts and Hurd and Catz. And then check out Bob's related Forbes.com piece "The Dumbest Idea of 2013," in response to the preposterous chatter that Larry Ellison and Oracle don't "get" the cloud. His powerful six-point argument unravels our competitors' spin. Go to the two-part strategy article. Read the "Dumbest Idea." Follow Bob on Twitter as he frequently updates his Oracle Voice column on Forbes.com.

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• Citrix dévoile Xen Cloud Platform 1.0, la première version de son environnement de développement Cloud open-source

  Citrix dévoile la première version de Xen Cloud Platform Son environnement de développement Cloud open-source Xen.org (à l'origine de l'hyperviseur open source Xen) annonce le lancement de Xen Cloud Platform (XCP) 1.0. Développé dans le cadre du Xen Cloud Project lancé en 2009, XCP 1.0 est une solution de Citrix pour les PME désireuses de mettre en place des clouds privés, ainsi qu'aux passionnés de l'open source, aux universités et aux chercheurs souhaitant expérimenter le cloud computing. Il s'agit d'un tournant dans l'utilisation en entreprise pour Xen.org. Jusqu'ici, celui-ci ne proposait traditionnellement que des logiciels sous forme de code source. XC...

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• Oracle dévoile sa Roadmap pour Java, améliorations de la JVM, support du Cloud, fonctionnalités objet et optimisations avancées

  Oracle dévoile sa RoadMap pour Java améliorations de la JVM, support du Cloud et fonctionnalités objet Oracle a dévoilé, lors de la conférence QCon de Londres, sa feuille de route pour le langage Java pour les années à venir. QCon est un événement annuel sur le développement logiciel pour les développeurs, les chefs de projet, les architectes et les analystes métiers. Il porte essentiellement sur la présentation de nouvelles innovations pour Java, .NET, HTML5, mobile et méthodes agiles. Les plans d'Oracle pour le futur sont essentiellement axés sur les améliorations et l'introduction des fonctionnalités objet, la facilité d'utilisation, le support du Cloud computing et des...

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• Writing a spell checker similar to "did you mean"

  - by user888734

  I'm hoping to write a spellchecker for search queries in a web application - not unlike Google's "Did you mean?" The algorithm will be loosely based on this: http://catalog.ldc.upenn.edu/LDC2006T13 In short, it generates correction candidates and scores them on how often they appear (along with adjacent words in the search query) in an enormous dataset of known n-grams - Google Web 1T - which contains well over 1 billion 5-grams. I'm not using the Web 1T dataset, but building my n-gram sets from my own documents - about 200k docs, and I'm estimating tens or hundreds of millions of n-grams will be generated. This kind of process is pushing the limits of my understanding of basic computing performance - can I simply load my n-grams into memory in a hashtable or dictionary when the app starts? Is the only limiting factor the amount of memory on the machine? Or am I barking up the wrong tree? Perhaps putting all my n-grams in a graph database with some sort of tree query optimisation? Could that ever be fast enough?

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• Les ventes record d'Office 2010 montrent-elles que le 100% Cloud n'est pas encore mûr ? Le vice-président Microsoft savoure ses resultats

  Les ventes record d'Office 2010 montrent-elles que le 100 % Cloud n'est pas encore mûr ? Le vice-président de Microsoft chargé du produit savoure ses résultats La suite bureautique de Microsoft Office 2010 à déjà un an. L'outil essentiellement Desktop, est sorti à une période ou les regards et les investissements de plusieurs éditeurs (Microsoft compris) étaient orientés vers les plates-formes et les infrastructures de Cloud Computing. L'avènement des solutions Cloud se présentait comme une menace pour le produit phare de Microsoft qui n'a pas manqué d'essuyer des vagues de critiques lors de la sortie de la suite bureautique. «

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• Which specific programming activities do women, on average, perform better than men? [closed]

  - by blueberryfields

  Following a recent discussion with female associates in hiring positions for software development/engineering positions, I found out that this kind of information would be incredibly useful to helping make sure that the workforce shows a gender balance. So I went looking. I've found various literature speaking about risk-taking behaviour and patterns, and other statistical differences between men and women when it comes to work performance. See for example this article related to hedge fund management. I have yet to see any such comparison in the computing field. To restate the question: Which specific programming activities do women, on average, perform better than men? Please back up your answers with specific details, preferably by linking to relevant research or, failing that, explaining what you're basing the information on.

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• D-fense! D-fense! ...for Java technology

  - by hinkmond

  Who needs defense when computing with the Java platform? Isn't "the best defense is a good offense"? At least in football and volleyball... See: The Best Defense Here's a quote: "The other Oracle tester page, Verify Java Version, consistently reports whether the latest version is installed. Just click the big red button to see if the 'recommended' version of Java is installed." So, go ahead and use Java technology! There is "nothing to fear but fear itself". I like that quote better. Hinkmond

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• Programming to ANSI standards (for engineering)

  - by Jake

  I am currently tasked to write a software to help engineers design standard compliant designs. If there is a bad design, software will report an error or warning. Maybe it's just me, but anyone who has done this should be familiar with the massive amounts of ANSI standards tables like this one: http://en.wikipedia.org/wiki/Nominal_Pipe_Size Computers are, as its name suggest, computing machines, not lookup machines. I feel that feeding formulas into computers and churning out standard compliant designs is much more efficient than doing memory intensive data lookups that are prone to human input errors and susceptible to "data updates". I actually think that there are formulas to calculate all those numbers, but nobody so far could give me that information. Anyone been through this before? What is THE best approach to this? Thanks for sharing.

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• Software Engineering: Off to a Bad Start?

  - by Bob Rhubart

  The opening remarks for Real Software Engineering, Living Social developer Glenn Vanderburg's keynote presentation at QCon 2012 in San Francisco, include this: The people who started the software engineering field and movement, from the very beginning, misunderstood two very important things: software and engineering. And as a result, the field went off in the wrong direction from the very start, and legitimized certain ways of doing things and certain paths of research that really have not been very fruitful. Vanderburg's presentation is fascinating, often funny, and well worth watching, especially in light of how cloud computing and other technological shifts are redefining IT roles. Related Content Dissing Architects, or "What's wrong with this coffee?" Out of the Tower, into the Trenches Readers react to "Out of the Tower; Into the Trenches" IT Architecture, Complex Systems, and Gardening Podcast: Who Gets to be a Software Architect?

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• Le langage open source R amélioré par ses développeurs, plus stable, flexible et commercial

  Le langage open source R amélioré par ses développeurs, plus stable, flexible et commercial Le langage de programmation R est utilisé depuis plus de dix ans par les statisticiens pour réaliser des analyses de données, du modelage prédicatif et de la visualisation. Cette semaine, il va s'offrir des changements révolutionnaires avec une refonte commerciale visant à promouvoir son adoption. Revolution Computing, le vendeur de R sur le marché depuis deux ans, s'est renommé Revolution Analytics et a dévoilée une nouvelle roadmap pour ses outils R, en espérant que cela étendra le marché. Avec sa nouvelle gamme de produits Revolution R Entreprise, des nouvelles fonctionnalités ainsi que de nouveaux outils son...

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• How are you keeping abreast with latest HPC trends?

  - by Fanatic23

  For those of you primarily working on high performance computing for non-scientific purposes (as in no fortran) what are the ways by which you keep yourself abreast of the latest trends out there? Industry gossip? Random blogs from google? Search SO? I am into HPC recently and looking for the high level architectural landscape. Given that everyone from GPGPU coders to FPGA folks to Erlang developers claim they are into HPC, how are you keeping up with so much information?

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• Meet Windows Azure on June 7th

  - by ScottGu

  As many of you might know, I’ve spent much of my time the past 12 months working on Windows Azure – which is Microsoft’s Cloud Computing Platform (I also continue to run the teams that build ASP.NET, the server framework libraries of .NET, and a few other products too). I will be doing a keynote in San Francisco this Thursday, June 7th at 1pm PDT.  The event will be streamed live, and I hope you’ll be able to join us as we walkthrough some of the exciting work we’ve been doing – and how you’ll be able to take advantage of it as developers. You can learn more and register to watch the event here. Hope to see you there, Scott

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• If I use locks, can my algorithm still be lock-free?

  - by Joe Pension

  A common definition of lock-free is that at least one process makes progress. 1 If I have a simple data structure such as a queue, protected by a lock, then one process can always make progress, as one process can acquire the lock, do what it wants, and release it. So does it meet the definition of lock-free? 1 See eg M. Herlihy, V. Luchangco, and M. Moir. Obstruction-free synchronization: Double-ended queues as an example. In Distributed Computing, 2003. "It is lock-free if it ensures only that some thread always makes progress".

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