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  • ACORD LOMA 2010: Building Insurance Companies in the Clouds

    - by [email protected]
    Chuck Johnston, vice president of global strategy and alliances for Oracle Insurance, participated in a featured speaking session at ACORD LOMA 2010. He provides an update on his discussions with insurers at the show and after his presentation. Every year I always make a point of walking the show floor at the ACORD LOMA technology conference to visit with colleagues and competitors, and try to get a feel for which way the industry will move over the next 12 months. Insurers are looking for substance in cloud (computing), trying to mix business with pleasure (monetizing social networks), and expect differentiation through commodity (Software as a Service). The disconnect at this show is that most vendors are still struggling with creating a clear path from Facebook to customer intimacy, SaaS to core cost savings and clouds to ubiquitous presence. Vendors need to find new ways to help insurers find the real value in these potentially disruptive technologies by understanding the changes coming to the insurance business and how these new technologies impact the new insurance business. Oracle's approach to understanding the evolving insurance industry comes from a discussion with our customers in our Insurance CIO Council, where one of our customers suggested we buy an insurance company to really understand our customers. We have decided to do the next best thing and build our own model of an insurance company, Alamere Insurance, that uses the latest technologies to transform its own business. Alamere will never issue an actual policy, but it does give us a framework to consider the impacts of changes in the insurance landscape and how Oracle technology meets the challenge or needs to evolve to help our customers be successful. In preparing for my talk at the conference using Alamere as my organizing theme, I found myself reading actuarial memoranda on CSO table changes and articles on underwriting theory that really made me think about my customer's problems first and foremost, and then how Oracle technology can provide answers. As much as I prefer techno-thrillers and sci-fi novels to actuarial papers for plane reading, I got very excited about the idea of putting myself back in the customer shoes I haven't worn in a decade, and really looking at how Oracle can power the Adaptive Insurance Enterprise. Talking to customers and industry people after the session, the idea of Alamere seemed to excite people and I got a lot of suggestions as to what lines of business we should model and where we should focus first on technology uptake. One customer said to a colleague that Oracle's attempt to "share their pain" was unique among vendors. More about Alamere, and the Adaptive Insurance Enterprise next time. Chuck Johnston is vice president of global strategy and alliances for Oracle Insurance.

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  • ArchBeat Link-o-Rama for 2012-07-10

    - by Bob Rhubart
    Free Event Today: Virtual Developer Day: Oracle Fusion Development This free event—another in the ongoing series of OTN Virtual Developer Days—focuses on Oracle Fusion development, and features three session tracks plus hands-on labs. Agenda and session abstracts are available now so you can be ready for the live event when it kicks off today, July 10, 9am to 1pm PST / 12pm to 4pm EST / 1pm to 5pm BRT. Podcast: The Role of the Cloud Architect - Part 1/3 In part one of this three-part conversation, cloud architects Ron Batra (AT&T) and James Baty (Oracle) talk about how cloud computing is driving the supply-chaining of IT and the "democratization of the activity of architecture." Middleware and Cloud Computing Book | Tom Laszewski Cloud migration expert Tom Laszewski describes Middleware and Cloud Computing by Frank Munz as "one of only a couple books that really discuss AWS and Oracle in depth." Cloud computing moves from fad to foundation | David Linthicum "When enterprises make cloud computing work, they view the application of the technology as a trade secret of sorts, so there are no press releases or white papers," says David Linthicum. "Indeed, if you see one presentation around a successful cloud computing case study, you can bet you're not hearing about 100 more." Oracle Real-Time Decisions: Combined Likelihood Models | Lukas Vermeer Lukas Vermeer concludes his extensive series of posts on decision models with a look "an advanced approach to amalgamate models, taking us to a whole new level of predictive modeling and analytical insights; combination models predicting likelihoods using multiple child models." Running Oracle BPM 11g PS5 Worklist Task Flow and Human Task Form on Non-SOA Domain | Andrejus Baranovskis "With a standard setup, both the BPM worklist application and the Human task form run on the same SOA domain, where the BPM process is running," says Oracle ACE Director Andrejus Baranovskis. "While this work fine, this is not what we want in the development, test and production environment." BAM design pointers | Kavitha Srinivasan "When using EMS (Enterprise Message Source) as a BAM feed, the best practice is to use one EMS to write to one Data Object," says Oracle Fusion Middleware A-Team blogger Kavitha Srinivasan. "There is a possibility of collisions and duplicates when multiple EMS write to the same row of a DO at the same time." Changes in SOA Human Task Flow (Run-Time) for Fusion Applications | Jack Desai Oracle Fusion Middleware A-Team blogger Jack Desai shares a troubleshooting tip. Thought for the Day "A program which perfectly meets a lousy specification is a lousy program." — Cem Kaner Source: SoftwareQuotes.com

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  • Announcing the New Virtual Briefing Center

    - by Theresa Hickman
    Do you want to hear about real-world customer success stories? Or listen to Oracle Application leaders discuss the value in the latest releases of Oracle Application products? Do you want one place to download up-to-date content, including white papers, podcasts, webcasts and presentations? Did you miss the Virtual Trade Show at the beginning of 2011? If you answered yes to any of these questions, then the Virtual Briefing Center is the place to get up-to-date Oracle product information for Oracle E-Business Suite, PeopleSoft, JD Edwards, Fusion, Siebel and Hyperion across multiple product areas from financials, procurement, supply chain, CRM, Performance Management, and more. Every month we will have "Monthly Spotlights" to showcase new content. The following lists the upcoming live webcasts in July 2011: Weds. July 6, 2011 at 9:00 a.m. PST/12:00 p.m. EST: Hear about Amway’s upgrade to Oracle E-Business Suite 12.1 and how they stabilized financial modules, especially the month-end close processes. Thurs. July 14, 2011 at 9:00 a.m. PST/12:00 p.m. EST: Hear West Corporation share their PeopleSoft 9.1 upgrade, resulting in improved self-service, more robust reporting capabilities and new workflow and processes. Thurs. July 21, 2011 at 9:00 a.m. PST/12:00 p.m. EST: Learn how MFlex improved their operations, saved manpower and reduced time to close with their upgrade to JD Edwards EnterpriseOne 9.0. Thurs. July 28, 2011 at 9:00 a.m. PST/12:00 p.m. EST: IEEE discusses their upgrade to Siebel 8.1 using open web service architecture for faster SOA enablement allowing them to scale their membership capacity by 250%. If you cannot attend any of the above live events, that's OK because each of the webcasts in this series will be recorded and available on demand. And for you Financials folks who may have missed the webcasts from the Virtual Trade Show earlier this year, you can view them on demand by Visiting the Resource Library: Planning Your Successful Upgrade to Oracle E-Business Suite Financials 12.1. In this session, Bryant and Stratton College talk about their upgrade. Planning Your Successful Upgrade to PeopleSoft Financials 9.1. In this session, the University of Central Florida share their upgrade story. Fusion Financials: The New Standard for Finance. In this session, Terrance Wampler, the VP of Financial Application Strategy discusses the business value of Oracle's next generation financial applications and how customers can take advantage of Fusion Financials alongside their existing investments. What are you waiting for? Register now!

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  • WebLogic Partner Community Newsletter June 2013

    - by JuergenKress
    Dear WebLogic Partner Community member, This month newsletter contains tons of Java material with the availability of Java EE7! Including many articles in the May/June Java Magazine and the Duke Award nomination! Thanks for all your efforts to become certified and Specialized. For all the experts who achieved the WebLogic Server 12c Certified Implementation Specialist  or ADF 11g Certified Implementation Specialist you can download a logo for your blog or business card at the Competence Center. For all the companies who achieved a WebLogic and ADF Specialization you can request a nice plaque for your office. Summer time is training time – make sure you attend our Fusion Middleware Summer Camps or one of our upcoming Exalogic Implementation Workshop by PTS in Spain, Turkey and Middle East. For those who can not make it we offers plenty of online courses like the New ADF Academy. Or the webcast The value of Engineered Systems for SAP. At our WebLogic Community Workspace (WebLogic Community membership required) you can find Engineered Systems Strategy presentation. Thanks to the community for all the WebLogic best practice papers and tools like Automated provision of Oracle Weblogic Server Platform & Frank’s Coherence videos on YouTube & Create and deploy applications on the Oracle Java Cloud & WebLogic Application redeployment using shared libraries - without downtime & Oracle Traffic Director. The first tests deployments for WebLogic on Oracle Database Appliance are on the way, thanks to all who are their experience: Sizing & Configuration and Traffic Director. Virtualised Oracle Database Appliance Proof of Concept - #1 Planning from Simon Haslam. Would be great if you can also share your experience via twitter @wlscommunity! In the ADF section of the newsletter you find Tuning Application Module Pools and Connection Pools & List View - Cool Looking ADF PS6 Component for Collections & Insider Essential & User Interface & Skinning & Oracle Forms to ADF Modernization reference. Great summer time! Jürgen Kress Oracle WebLogic Partner Adoption EMEA To read the newsletter please visit http://tinyurl.com/WebLogicnewsJune2013 (OPN Account required) To become a member of the WebLogic Partner Community please register at 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: WebLogic Community newsletter,newsletter,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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  • Dynamic character animation - Using the physics engine or not

    - by Lex Webb
    I'm planning on building a dynamic reactant animation engine for the characters in my 2D Game. I have already built templates for a skeleton based animation system using key frames and interpolation to specify a limbs position at any given moment in time. I am using Farseer physics (an extension of Box2D) in Monogame/XNA in C# My real question lies in how i go about tying this character animation into the physics engine. I have two options: Moving limbs using physics engine - applying a interpolated force to each limb (dynamic body) in order to attempt to get it to its position as donated by the skeleton animation. Moving limbs by simply changing the position of a fixed body - Updating the new position of each limb manually, attempting to take into account physics collisions. Then stepping the physics after the animation to allow for environment interaction. Each of these methods have their distinct advantages and disadvantages. Physics based movement Advantages: Possibly more natural/realistic movement Better interaction with game objects as force applying to objects colliding with characters would be calculated for me. No need to convert to dynamic bodies when reacting to projectiles/death/fighting. Disadvantages: Possible difficulty in calculating correct amount of force to move a limb a certain distance at a constant rate. Underlying character balance system would need to be created that would need to be robust enough to prevent characters falling over at the touch of a feather. Added code complexity and processing time for the above. Static Object movement Advantages: Easy to interpolate movement of limbs between game steps Moving limbs is as simple as applying a rotation to the skeleton bone. Greater control over limbs, wont need to worry about characters falling over as all animation would be pre-defined. Disadvantages: Possible unnatural movement (Depends entirely on my animation skills!) Bad physics collision reactions with physics engine (Dynamic bodies simply slide out of the way of static objects) Need to calculate collisions with physics objects and my limbs myself and apply directional forces to them. Hard to account for slopes/stairs/non standard planes when animating walking/running animations. Need to convert objects to dynamic when reacting to projectile/fighting/death physics objects. The Question! As you can see, i have thought about this extensively, i have also had Google into physics based animation and have found mostly dissertation papers! Which is filling me with sense that it may a lot more advanced than my mathematics skills. My question is mostly subjective based on my findings above/any experience you may have: Which of the above methods should i use when creating my game? I am willing to spend the time to get a physics solution working if you think it would be possible. In the end i want to provide the most satisfying experience for the gamer, as well as a robust and dynamic system i can use to animate pretty much anything i need.

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  • BI&EPM in Focus April 2012

    - by Mike.Hallett(at)Oracle-BI&EPM
    General News Oracle OpenWorld call for papers now open, now through April 9 (link) Oracle Announces Availability of Oracle Exalytics In-Memory Machine (link) Oracle EPM and BI Support Newsletter Current Edition - Volume 3 : March 2012 (link) Customers Asiana Airlines Improves Passenger Management with Near-Real-Time Reservation and Ticketing Information  Centraal Boekhuis Delivers Faster with Oracle BI 11g Essatto Software Speeds Data Aggregation Tenfold; Integrates BI, Performance Management, and Data Warehousing for Midsize Businesses Grupo WTorre Supports Management's Decision-Making with OBIEE, Ensuring Uniform, Reliable, and Consistent Data Indian Overseas Bank Cuts Planning Schedule by 45 Worker Days per Year, Assesses Market Risk Instantly with Business Intelligence System Kentucky Community and Technical College System Enables Data-Driven Decision-Making Using Integrated System with Management Dashboards National Australia Bank Achieves 200% ROI, Improves Data Quality and Reporting Integrity with Oracle Hyperion DRM R.L. Polk & Co. Enhances Business Intelligence Capabilities, Optimizes System Performance with Extreme Analytics Machine Test ResCare, Inc. Transforms Reporting to Improve Healthcare Service Performance with Oracle Business Analytics  Rochester City School District Uses OBIEE to Track Student Achievement, Identify Areas for Improvement, Accelerate Reporting  Société Générale Standardizes, Accelerates, and Improves Budget Planning Accuracy across Global Enterprise The State Accounting Office of Georgia Integrates Financial Information, Shortens Financial Closings and Streamlines Reporting across 175 Organizations   Events 4-day Oracle Real-Time Decisions Hands-on Technical Workshop for Partners (PTS, Free) May 14-17, 2012: Colombes, Paris, France Nordic events : “Latest Release of Oracle Hyperion EPM and BI Suites Helps Organizations Plan through Uncertainty, Improve Decision-Making and Meet Regulatory Requirements” (April 17, Sweden | April 18, Norway | April 19, Denmark | April 24, Finland) Webcast Replay from Balaji Yelamanchili and Paul Rodwick: “Analytics Without Limits - The Latest on Oracle Exalytics In-Memory Machine and Oracle Business Intelligence”  (link)  Wednesday, April 04, 2012: Business Analytics launch webcast: Invite your customers to register (link) Big Data Online Forum now available on Demand (link)  Enterprise Performance Management Webcast Replay: Accurate Forecasting within the Business Planning Cycle (link) Oracle Hyperion Profitability and Cost Management (HPCM) Master Support Note (link) Business  Intelligence Whitepaper: Driving Innovation Through Analytics (link) Gartner: CIOs Identify BI as the No. 1 Technology Priority for 2012 (link) Webcast Replay: Exalytics in Action: Airlines, US Census and Federal Spending Demo Applications  (link) NEWLY RELEASED Walk-in Video for Exalytics - Use This to Start Customer/Partner Meetings! (link) IDC Insight Paper: “Oracle's All-Out Assault on the Big Data Market: Offering Hadoop, R, Cubes, and Scalable IMDB in Familiar Packages” (link) System Requirements and Supported Platforms for Oracle Business Intelligence Suite Enterprise Edition 11gR1 Certification Matrix now published to include OBIEE 11.1.1.6.0 (link) Maintenance Release Guide (List of Bugs Fixed) for Oracle Business Intelligence Enterprise Edition (OBIEE) 11.1.1.6.0  (link) OBIEE 11.1.1.6: Is OBIEE 11.1.1.6 Certified With OBI Apps 7.9.6.3?  (link) Information Center: Troubleshooting Oracle Business Intelligence Applications (support login req'd)  (link)      

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  • Oracle's Integrated Systems Management and Support Experience

    - by Scott McNeil
    With its recent launch, Oracle Enterprise Manager 11g introduced a new approach to integrated systems management and support. What this means is taking both areas of IT management and vendor support and combining them into one integrated comprehensive and centralized platform. Traditional Ways Under the traditional method, IT operational teams would often focus on running their systems using management tools that weren’t connected to their vendor’s support systems. If you needed support with a product, administrators would often contact the vendor by phone or visit the vendor website for support and then log a service request in order to fix the issues. This method was also very time consuming, as administrators would have to collect their software configurations, operating systems and hardware settings, then manually enter them into an online form or recite them to a support analyst on the phone. For the vendor, they had to analyze all the configuration data to recreate the problem in order to solve it. This approach was very manual, uncoordinated and error-prone where duplication between the customer and vendor frequently occurred. A Better Support Experience By removing the boundaries between support, IT management tools and the customer’s IT infrastructure, Oracle paved the way for a better support experience. This was achieved through integration between Oracle Enterprise Manager 11g and My Oracle Support. Administrators can not only manage their IT infrastructure and applications through Oracle Enterprise Manager’s centralized console but can also receive proactive alerts and patch recommendations right within the console they use day-in-day-out. Having one single source of information saves time and potentially prevents unforeseen problems down the road. All for One, and One for All The first step for you is to allow Oracle Enterprise Manager to upload configuration data into Oracle’s secure configuration repository, where it can be analyzed for potential issues or conflicts for all customers. A fix to a problem encountered by one customer may actually be relevant to many more. The integration between My Oracle Support and Oracle Enterprise Manager allows all customers who may be impacted by the problem to receive a notification about the fix. Once the alert appears in Oracle Enterprise Manager’s console, the administrator can take his/her time to do further investigations using automated workflows provided in Oracle Enterprise Manager to analyze potential conflicts. Finally, administrators can schedule a time to test and automatically apply the fix to all the systems that need it. In the end, this helps customers maintain their service levels without compromise and avoid experiencing unplanned downtime that may result from potential issues or conflicts. This new paradigm of integrated systems management and support helps customers keep their systems secure, compliant, and up-to-date, while eliminating the traditional silos between IT management and vendor support. Oracle’s next generation platform also works hand-in-hand to provide higher quality of service to business users while at the same time making life for administrators less complicated. For more information on Oracle’s integrated systems management and support experience, be sure to visit our Oracle Enterprise Manager 11g Resource Center for the latest customer videos, webcast, and white papers.

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  • Devoxx!!

    - by Yolande
    0 0 1 350 2000 Oracle Corporation 16 4 2346 14.0 Normal 0 false false false EN-US JA X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:Cambria; mso-ascii-font-family:Cambria; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Cambria; mso-hansi-theme-font:minor-latin;}  Announcing Devoxx London! Taking place on  March 26th and 27th, 2013 right before Devoxx  France on March 28th and 29th, this will be the first  edition of Devoxx UK!. The call for papers begins  on December 1st for Devoxx in London and Paris.  Speakers will be able to present at the two  conferences in the same week. Oracle committed  to fully sponsor the three Devoxx conferences in  2013 with a platinum sponsorship. Over 5,000 developers are expected to attend those conferences. Five dancing NAO robots welcomed attendees at the keynote. Stephan Janssen offers the JUGs to replicate Devoxx4kids workshops using his content and web infrastructure.  He recommended organizing kid events because “the workshops were really fun and such rewarding experience.” Stephan also announced the redesign of Parleys with Html 5 and GlassFish. Friendlier to speakers, they will be able to post their slides online before their talks and then sync the talk's sound track with the slides. Nandini Ramani, VP of product development explained in her keynote address the growing role of Java from enterprise application development to cloud computing to embedded machine-to-machines systems. “Java continues to drive the applications and devices that enrich our interactivity with the world around us” she said. The Java platform has expanded its reach with the OS X and Linux ARM support on Java SE and with two new releases, Java SE embedded and Java embedded Suite 7.0 middleware platform.  Coming up next year is JDK 8, which will include Project Lambda, Project Nashorn and more. As part of that release, JavaFX will offer 3D and third-party component integration. At Devoxx, the slick and interactive schedules were designed with JavaFX. The earliest version of the Java EE 7 SDK is available for download and has WebSocket support, improved JSON support and more.  Stephen Chin arrived on stage with his bike, ending his European NightHacking tour. Check the hacking sessions online here

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  • MySQL Connect - Save The Date!

    - by Bertrand Matthelié
    @font-face { font-family: "Arial"; }@font-face { font-family: "Cambria"; }p.MsoNormal, li.MsoNormal, div.MsoNormal { margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman"; }a:link, span.MsoHyperlink { color: blue; text-decoration: underline; }a:visited, span.MsoHyperlinkFollowed { color: purple; text-decoration: underline; }div.Section1 { page: Section1; } Oracle today announced that it will hold the MySQL Connect Conference on September 29 and 30 in San Francisco! You can read the Press Release here. MySQL Connect will be jam-packed with technical sessions, hands-on labs and Birds of a Feather (BOF) sessions delivered by MySQL community members, users, customers and MySQL engineers from Oracle. The event is a unique opportunity to learn about the latest MySQL features, discuss product roadmaps, and connect directly with the engineers behind the latest MySQL code. The conference will include six tracks: Performance and Scalability, High Availability, Cloud Computing, Architecture and Design, Database Administration, and Application Development. The call for papers will open on April 16, 2012 for approximately three weeks. MySQL users and community members are encouraged to submit session proposals. Start thinking about your proposals! Registration will also open on April 16. @font-face { font-family: "Arial"; }@font-face { font-family: "Cambria"; }p.MsoNormal, li.MsoNormal, div.MsoNormal { margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman"; }a:link, span.MsoHyperlink { color: blue; text-decoration: underline; }a:visited, span.MsoHyperlinkFollowed { color: purple; text-decoration: underline; }p.pressBullet, li.pressBullet, div.pressBullet { margin: 0cm 0cm 0.0001pt 36pt; text-indent: -18pt; font-size: 11pt; font-family: "Times New Roman"; }div.Section1 { page: Section1; }

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  • SOA Community Newsletter June 2012

    - by JuergenKress
    Dear SOA partner community member Happy New fiscal Year FY13 - thanks for the FY12 middleware business! Our SOA & BPM Partner Community continued to grow to almost 4000 members. Additional we launched the WebLogic Partner Community which grew very fast to 800+ members! To continue our joint successful business in the new fiscal year our Top priorities FY13 are: Become trained:the next opportunity are the summer camps in Lisbon & Munich or our on-demand training SOA & BPM and see our detailed training calendar below. Run your marketing & sales campaign: sales kits, marketing kits, solution catalog add your services to oracle.com, add your events to oracle.com and advertisement Get recognized: OFM awards, partner excellence awards & references & plaques Become Specialized: All of the above makes the Oracle Specialization! Make sure you get your Specialization benefits! Topics: Key product focus areas will be: SOA as the foundation for clouds, integration platform 2.0 for industrial SOA including BAM & CEP, BPM & adaptive case management & migrate legacy solutions to the strategic offerings. The new Oracle VM VirtualBox image is available to test SOA Suite and BPM Suite. To start your BPM 11g project a new BPM Standard Edition a license entry version is available. EAIESB published a post with all BPMN2.0 notations. If you want to learn more please visit the Oracle Learning Library. We want to promote your SOA 11g & BPM 11g success let us know where you are in production! And nominate this success for our Middleware Oracle Excellence Awards 2012. Douwe P. van den Bos published at his blog a SOA governance series: Principles of Service-Oriented Architecture & The Maturity of a Service-Oriented Architecture & SOA Maturity Models. Please let us know if you published interesting papers! Would be great to see you at the SOA, Cloud + Service Technology Symposium by Thomas Erl. Please feel free to get your conference pass with the oracle discount code “DJMXZ370”. See you in Lisbon & London at our summer camps! Jürgen Kress Oracle SOA & BPM Partner Adoption EMEA To read the newsletter please visit http://tinyurl.com/soanewsJune2012 (OPN Account required) To become a member of the SOA Partner Community please register at http://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 Community newsletter,SOA Community,Oracle,OPN,Jürgen Kress,SOA Demo System,BPM

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  • Need help identifing what resources (eg. In MIT OpenCourseWare) can help me prepare for a test [closed]

    - by jiewmeng
    I am entering uni soon. I can sit for a placement test to see if I elegible for exemptions. The details are http://www.comp.nus.edu.sg/undergraduates/TestScope11_12.html Or CS2100 Computer Organisation (please click title) The objective of this module is to familiarise students with the fundamentals of computing devices. Through this module students will understand the basics of data representation, and how the various parts of a computer work, separately and with each other. This allows students to understand the issues in computing devices, and how these issues affect the implementation of solutions. Topics covered include data representation systems, combinational and sequential circuit design techniques, assembly language, processor execution cycles, pipelining, memory hierarchy and input/output systems. Recommended Textbooks Digital Design: Principles and Practices [DDPP] by John F. Wakerly, Prentice-Hall. ISBN 0-13-324500-4. Computer Organizations and Design (The hardware/software interface) by David A. Patterson and John L. Hennessy. CS2105 Introduction to Computer Networks (please click title) This course aims to provide a broad introduction to computer networks and some appreciations of network application programming. It covers a range of topics including basic data communication and computer network concepts, protocols, networked computing concepts and principles, network applications development and network security. The emphasis of teaching is on the working principles and application of computer networks. As an integral part of the course, tutorials and practical assignments enforcing learning will also be given. These assignments provide an early exposure in network application programming and they should be able to complete by using personal computers and school's network facilities. Topics included: An overview of computer networks and the Internet Basic data communications Application layer Transport layer Network layer and routing Link layer and local area networks Recommended Textbook James F. Kurose & Keith W. Ross, Computer networking: A top-down approach featuring internet, Addison Wesley, 2001 I am wondering what resources eg. MIT OpenCourseWare or other universities resources are available to help he perpare for these particular modubles. I am thinking does the Networking one look like CCNA? The computer oragization. Its like electronics, assembly etc? I learnt some electronics in Poly but looking at the sample papers, uni looks very different... I have about 1 month to prepare if I want any chance of exempting from these modules :) any help?

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  • Why is multithreading often preferred for improving performance?

    - by user1849534
    I have a question, it's about why programmers seems to love concurrency and multi-threaded programs in general. I'm considering 2 main approaches here: an async approach basically based on signals, or just an async approach as called by many papers and languages like the new C# 5.0 for example, and a "companion thread" that manages the policy of your pipeline a concurrent approach or multi-threading approach I will just say that I'm thinking about the hardware here and the worst case scenario, and I have tested this 2 paradigms myself, the async paradigm is a winner at the point that I don't get why people 90% of the time talk about multi-threading when they want to speed up things or make a good use of their resources. I have tested multi-threaded programs and async program on an old machine with an Intel quad-core that doesn't offer a memory controller inside the CPU, the memory is managed entirely by the motherboard, well in this case performances are horrible with a multi-threaded application, even a relatively low number of threads like 3-4-5 can be a problem, the application is unresponsive and is just slow and unpleasant. A good async approach is, on the other hand, probably not faster but it's not worst either, my application just waits for the result and doesn't hangs, it's responsive and there is a much better scaling going on. I have also discovered that a context change in the threading world it's not that cheap in real world scenario, it's in fact quite expensive especially when you have more than 2 threads that need to cycle and swap among each other to be computed. On modern CPUs the situation it's not really that different, the memory controller it's integrated but my point is that an x86 CPUs is basically a serial machine and the memory controller works the same way as with the old machine with an external memory controller on the motherboard. The context switch is still a relevant cost in my application and the fact that the memory controller it's integrated or that the newer CPU have more than 2 core it's not bargain for me. For what i have experienced the concurrent approach is good in theory but not that good in practice, with the memory model imposed by the hardware, it's hard to make a good use of this paradigm, also it introduces a lot of issues ranging from the use of my data structures to the join of multiple threads. Also both paradigms do not offer any security abut when the task or the job will be done in a certain point in time, making them really similar from a functional point of view. According to the X86 memory model, why the majority of people suggest to use concurrency with C++ and not just an async approach ? Also why not considering the worst case scenario of a computer where the context switch is probably more expensive than the computation itself ?

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  • How to handle encryption key conflicts when synchronizing data?

    - by Rafael
    Assume that there is data that gets synchronized between several devices. The data is protected with a symmetric encryption algorithm and a key. The key is stored on each device and encrypted with a password. When a user changes the password only the key gets re-encrypted. Under normal circumstances, when there is a good network connection to other peers, the current key gets synchronized and all data on the new device gets encrypted with the same key. But how to handle situations where a new device doesn’t have a network connection and e.g. creates its own new, but incompatible key? How to keep the usability as high as possible under such circumstances? The application could detect that there is no network and hence refuse to start. That’s very bad usability in my opinion, because the application isn’t functional at all in this case. I don’t consider this a solution. The application could ignore the missing network connection and create a new key. But what to do when the application gains a network connection? There will be several incompatible keys and some parts of the underlying data could only be encrypted with one key and other parts with another key. The situation would get worse if there would be more keys than just two and the application would’ve to ask every time for a password when another object that should get decrypted with another key would be needed. It is very messy and time consuming to try to re-encrypt all data that is encrypted with another key with a main key. What should be the main key at all in this case? The oldest key? The key with the most encrypted objects? What if the key got synchronized but not all objects that got encrypted with this particular key? How should the user know for which particular password the application asks and why it takes probably very long to re-encrypt the data? It’s very hard to describe encryption “issues” to users. So far I didn’t find an acceptable solution, nor some kind of generic strategy. Do you have some hints about a concrete strategy or some books / papers that describe synchronization of symmetrically encrypted data with keys that could cause conflicts?

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  • Loading another domain's content in a modal iframe - acceptable?

    - by user568458
    Is it okay to load another page in an iframe in a modal pop-up window - in terms of legal and ethical standards around displaying 3rd party content? I remember a few years ago there was controversy and a debate about whether it was okay to load another domain's page content on your domain in a full-width iframe, with your site providing a masthead with controls for favouriting, linking etc (e.g. like StumbleUpon). I seem to recall that the consensus was, that it was okay so long as you were clearly in no way claiming ownership of the 3rd party content or attempting to modify the content and so long as there was a 'go to site' button or equivalent; and that sites could ask you to exclude them, but generally speaking, it's an acceptable practice. How acceptable would it be considered to be to load another site's page within a modal (lightbox-like) popup box (following all the above principles: clear attribution and a prominent button that kills the iframe and gives them the 3rd party original)? My expectation would be that it would follow the same principles, and be acceptable so long as these conditions were met. Note that I'm asking about the likely legitimate responses of the 3rd party sites and possible legal position, not about usability or UX. I'm aware that this should never ever ever ever ever be the standard way external links are loaded, and that 99% of the time linking to external content like this would be terrible for usability. My specific use case is one of those 1% of cases where loading a separate page in this tab actually wouldn't be the expected behaviour of a link: an interactive data visualisation tool that also acts as a 'browser' of external content (science papers underlying the data it navigates). All other links within the interactive will change something while staying on the same page. If the user clicked one of these external links by mistake (as people often do, even when they are clearly, noisily labelled) and then had to back-button back, they would lose their fine-grained position in the interactive tool (jquery bbq hashchanges being not appropriate for all elements of the tool). New window/tab will simply open the target page on the 3rd party domain. Opening a new window/tab would also be an alternative option (and has its own disadvantages) - my question is, whether this is an alternative that could be considered (in terms of acceptable practice around intellectual property etc), irrespective of which option is best for UX: which is something we'll decide the proper way, based on actual UX testing.

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  • S11 launched

    - by unixman
    Now that Oracle Solaris 11 is out, its time to do 2 things -- 1) Its time to see what's in it, what's new and why its important, and then assess why it might make sense to begin evaluating it for your needs and 2) Its time to acknowledge, give thanks to and congratulate all the R&D personnel, architects, engineers, designers and testers who've put in so much effort and energy into helping make Solaris 11 (and SunOS 5.11) what it has become -- starting way back circa 2004 and, more importantly, culminating in the recent years and months -- staying focused on the execution, unwavering in the face of various challenges. For #1 above, here are a few good things to get going with - Watch the product launch replay - Visit the Solaris 11 Spotlight section on oracle.com - Get comfortable through introductory videos and detailed "how-to" guides (ex: how to create and publish IPS packages), white papers on the new default root file system, ZFS, and reap the benefits brought on by the fundamental shift in easing the administration experience - Look at the next level of software lifecycle management that is enabled by technologies such as Automated Installer and Image Packaging System -- that dramatically address patch management-related challenges - Understand how we continue to innovate in areas of service intelligence, reliability and availability - Start to evaluate enhancements in virtualization capabilities -- whether influenced by the need to consolidate or motivated by the need to have increased service mobility across physical systems, leveraging hardware-level abstractions - Gain more control over your network-centric services through enhancements in network resource management, observability and I/O performance - Look beyond your existing infrastructure with confidence that you can re-host and transition to newer systems with the use of Solaris 10 zones running on top of Solaris 11 - Relish in the fact that you can do all this, get your data to be secure and encrypted and more, on both, SPARC and x86-based systems. - Stay informed by keeping an eye on relevant blogs, which we've begun turning up recently. - Go through a hands-on lab - Sign up to take a class or just opt to watch various videos to begin to raise your comfort level with these technologies For #2 above -- There are many ways to do that. One way is to just say "thanks" with an email, a post, or a simple card,  similar to this one seen at a Barnes and Noble store recently.  The front of the card is followed by what's inside... and as the saying goes, now more then ever "it's what's inside that counts" And here's the inside of the card: So, what are you waiting for ? Go download and try it out, and please let us know what you think of it!

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  • Speaker Notes...

    - by wulfers
    At a .Net User Group meeting this week, I experienced two poorly prepared speakers floundering through presentations….  As a Lead Technologist at the company I work for, I have experience training technical staff and also giving presentations at code camps.  Here are a few guidelines for aspiring speakers you might find helpful…   1.       Do not stand in front of your audience and read your slides.  This is  offensive to your audience and not what they came for...  Your slides are there to reinforce the information you are presenting and to give the audience a little clarification on some terms you may use and as a visual aid for some complicated issues. 2.       Have someone review your presentation (slides, notes, …) who speaks the language you will be presenting in fluently.  Also record at least ten minutes of your presentation and have that same person review that.  One of the speakers this week used the word “Basically” fifty times in less than thirty minutes…  I started to flinch every time he used the term. 3.       Be Prepared  -  before the presentation begins.  Don’t make any last minute changes to your presentation or demo code the night before.  Don’t patch your laptop or demo servers the night before.  If possible create a virtual image that you only use for presentations and use that (refreshed before every presentation). 4.       Know the level of expertise of your audience.  Speaking above or below their abilities will make or break your presentation. 5.       Deliver what you promise. The presentation this week was supposed to be on BDD (Behavior Driven Develpment).  The presenter completely ran off track and 90% of the discussion was how his team mistakenly used TDD (Test Driven Development), and was unhappy with the results.  Based on his loss of focus we only heard a rushed 10 minute presentation on DBB which was a disservice to the audience. 6.       Practice your presentation with your own small team before you try this on a room full of people you don’t know.  A side benefit of doing this with your own team is that you can get candid feedback from your team and also get kudos for training your own team.  I find I can also turn my presentations into technical white papers and get a third benefit from the work I’ve put into a presentation. 7.       Sharpen your own saw.  Pick a topic that is fairly current.  Something you would like to learn about and would benefit your current career path. 8.       Have fun doing it.

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  • Can you work for the big (Google, Microsoft, Facebook etc.) without getting too much involved?

    - by Developer Art
    Having seen people talking about interviewing and working for the big companies, I keep wondering how much are you expected to actually get involved in there. 1) That's because I keep seeing folks from Google and Microsoft and others writing in forums, blogging, tweeting, speaking at conferences and seemingly doing this on the 24/7/365 basis from their office, apartment, hotel and even plane. Are you really expected to commit that much if you come to work for them? Do they want you to think about your work while you're eating, sleeping, taking a shower, making love and so on? Can you in fact "switch off" at five and go home forgetting everything? Perhaps you have a hobby, family life, kids, friends, personal projects anyone? Is it so that if you work for the big then you're expected not to have any life outside of the company? You can't develop own projects, have own clients and just have another life? 2) One other thing is the work contracts the big use. I've heard for instance that when you join Microsoft you need to provide a list of projects you're currently working on and after that anything new you'll come up with during your employment automatically belongs to the company. Are all of the big doing this? Can you deny signing a contract until such clause is removed or with the big it is "take it or leave it" because the legal department won't accept any change? Can you make them write the contract in that manner that they step away from anything you've developed in your private time? Of all the big I have only been at SAP during my internship. Lately while browsing through the old papers I've found my old contact which stipulated they owned everything I developed or invented during my employment, which I would never have signed these days. On a side note I don't think I would return to SAP since I remember most people there were clueless and provided the impression they were simply sitting out their years waiting for the retirement. But anyway, what do the other big put in their contracts? How far do you get involved when you go working for the big? Or perhaps fully committed with your body and soul? P.S. I'm not planning to join any of them I'm just curious.

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  • What ever happened to the Defense Software Reuse System (DSRS)?

    - by emddudley
    I've been reading some papers from the early 90s about a US Department of Defense software reuse initiative called the Defense Software Reuse System (DSRS). The most recent mention of it I could find was in a paper from 2000 - A Survey of Software Reuse Repositories Defense Software Repository System (DSRS) The DSRS is an automated repository for storing and retrieving Reusable Software Assets (RSAs) [14]. The DSRS software now manages inventories of reusable assets at seven software reuse support centers (SRSCs). The DSRS serves as a central collection point for quality RSAs, and facilitates software reuse by offering developers the opportunity to match their requirements with existing software products. DSRS accounts are available for Government employees and contractor personnel currently supporting Government projects... ...The DoD software community is trying to change its software engineering model from its current software cycle to a process-driven, domain-specific, architecture-based, repository-assisted way of constructing software [15]. In this changing environment, the DSRS has the highest potential to become the DoD standard reuse repository because it is the only existing deployed, operational repository with multiple interoperable locations across DoD. Seven DSRS locations support nearly 1,000 users and list nearly 9,000 reusable assets. The DISA DSRS alone lists 3,880 reusable assets and has 400 user accounts... The far-term strategy of the DSRS is to support a virtual repository. These interconnected repositories will provide the ability to locate and share reusable components across domains and among the services. An effective and evolving DSRS is a central requirement to the success of the DoD software reuse initiative. Evolving DoD repository requirements demand that DISA continue to have an operational DSRS site to support testing in an actual repository operation and to support DoD users. The classification process for the DSRS is a basic technology for providing customer support [16]. This process is the first step in making reusable assets available for implementing the functional and technical migration strategies. ... [14] DSRS - Defense Technology for Adaptable, Reliable Systems URL: http://ssed1.ims.disa.mil/srp/dsrspage.html [15] STARS - Software Technology for Adaptable, Reliable Systems URL: http://www.stars.ballston.paramax.com/index.html [16] D. E. Perry and S. S. Popovitch, “Inquire: Predicate-based use and reuse,'' in Proceedings of the 8th Knowledge-Based Software Engineering Conference, pp. 144-151, September 1993. ... Is DSRS dead, and were there any post-mortem reports on it? Are there other more-recent US government initiatives or reports on software reuse?

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  • Why C++ people loves multithreading when it comes to performances?

    - by user1849534
    I have a question, it's about why programmers seems to love concurrency and multi-threaded programs in general. I'm considering 2 main approach here: an async approach basically based on signals, or just an async approach as called by many papers and languages like the new C# 5.0 for example, and a "companion thread" that maanges the policy of your pipeline a concurrent approach or multi-threading approach I will just say that I'm thinking about the hardware here and the worst case scenario, and I have tested this 2 paradigms myself, the async paradigm is a winner at the point that I don't get why people 90% of the time talk about concurrency when they wont to speed up things or make a good use of their resources. I have tested multi-threaded programs and async program on an old machine with an Intel quad-core that doesn't offer a memory controller inside the CPU, the memory is managed entirely by the motherboard, well in this case performances are horrible with a multi-threaded application, even a relatively low number of threads like 3-4-5 can be a problem, the application is unresponsive and is just slow and unpleasant. A good async approach is, on the other hand, probably not faster but it's not worst either, my application just waits for the result and doesn't hangs, it's responsive and there is a much better scaling going on. I have also discovered that a context change in the threading world it's not that cheap in real world scenario, it's infact quite expensive especially when you have more than 2 threads that need to cycle and swap among each other to be computed. On modern CPUs the situation it's not really that different, the memory controller it's integrated but my point is that an x86 CPUs is basically a serial machine and the memory controller works the same way as with the old machine with an external memory controller on the motherboard. The context switch is still a relevant cost in my application and the fact that the memory controller it's integrated or that the newer CPU have more than 2 core it's not bargain for me. For what i have experienced the concurrent approach is good in theory but not that good in practice, with the memory model imposed by the hardware, it's hard to make a good use of this paradigm, also it introduces a lot of issues ranging from the use of my data structures to the join of multiple threads. Also both paradigms do not offer any security abut when the task or the job will be done in a certain point in time, making them really similar from a functional point of view. According to the X86 memory model, why the majority of people suggest to use concurrency with C++ and not just an async aproach ? Also why not considering the worst case scenario of a computer where the context switch is probably more expensive than the computation itself ?

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  • How to programmatically replace UIToolBar items built in IB

    - by frankodwyer
    I have a toolbar with various image buttons, created in Interface Builder. I'd like to be able to programmatically replace one of the buttons with an activity indicator when pressed, and then put back the original button but change its color from white to yellow when the activity completes. Is this possible with an IB built toolbar or must I look at building the whole toolbar programmatically and custom views?

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  • Truncate text to fit table cell without wrapping using css or jquery

    - by Tauren
    I want the text in one of the columns of a table to not wrap, but to just truncate so that it fits within the current size of the table cell. I don't want the table cell to change size, as I need the table to be exactly 100% the width of the container. This is because the table with 100% width is inside of a positioned div with overflow: auto (it's actually inside of a jquery UI.Layout panel). I tried both overflow: hidden and the text still wrapped. I tried white-space: nowrap, but it stretched the table wider than 100% and added a horizontal scroll bar. div.container { position: absolute; overflow: auto; /* user can slide resize bars to change the width & height */ width: 600px; height: 300px; } table { width: 100% } td.nowrap { overflow: hidden; white-space: nowrap; } <div class="container"> <table> <tr> <td>From</td> <td>Subject</td> <td>Date</td> </tr> <tr> <td>Bob Smith</td> <td class="nowrap"> <strong>Message subject</strong> <span>This is a preview of the message body and could be long.</span> </td> <td>2010-03-30 02:18AM</td> </tr> </table> </div> Is there a way using css to solve this? If I had a fixed table cell size, then overflow:hidden would truncate anything that flows over, but I can't used a fixed size as I want the table to stretch with the UI.Layout panel size. If not, then how would I solve this with jquery? My use case is similar to the gmail interface, where an email subject is bolded and the beginning of the message body is shown, but then truncated to fit.

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  • WPF ComboBox: background color when disabled

    - by Martin
    I currently use this style for my ComboBox in WPF: <Style TargetType="ComboBox"> <Setter Property="Foreground" Value="White"/> <Setter Property="Background" Value="#303030"/> <Setter Property="BorderBrush" Value="#000000"/> </Style> How can I change it to specify the background color when the ComboBox is disabled? (this is a follow-up to this question: http://stackoverflow.com/questions/2385205/wpf-combobox-colors)

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  • CSS3 Gradients to reproduce an 'inner glow' effect from Illustrator with border-radius applied

    - by iamfriendly
    Hello all! First post on here so please be kind :) I am in the process of trying to get my head properly around CSS3 Gradients (specifically radial ones) and in doing so I think I've set myself a relatively tough challenge. In Adobe Illustrator I have created a 'button' style which can be seen here: http://bit.ly/aePPtV (jpg image). To create this image I created a rectangle with a background colour of rgb(63,64,63) or #3F403F, then 'stylized' it to have a 15px border radius. I then applied an 'inner glow' to it with a 25% opacity, 8px blur, white from the center. Finally, I applied a 3pt white stroke on it. (I'm telling you all of this in case you wished to reproduce it, if the image above isn't sufficient.) So, my question is thus: is it possible to recreate this 'button' using CSS without the need for an image? I am aware of the 'limitations' of Internet Explorer (and for the sake of this experiment, I couldn't give a monkeys). I am also aware of the small 'bug' in webkit which incorrectly renders an element with a background colour, border-radius and a border (with a different color to the background-color) - it lets the background color bleed through on the curved corners. My best attempt so far is fairly pathetic, but for reference here is the code: section#featured footer p a { color: rgb(255,255,255); text-shadow: 1px 1px 1px rgba(0,0,0,0.6); text-decoration: none; padding: 5px 10px; border-radius: 15px; -moz-border-radius: 15px; -webkit-border-radius: 15px; border: 3px solid rgb(255,255,255); background: rgb(98,99,100); background: -moz-radial-gradient( 50% 50%, farthest-side, #626364, #545454 ); background: -webkit-gradient( radial, 50% 50%, 1px, 50% 50%, 5px, from(rgb(98,99,100)), to(rgb(84,84,84)) ); } Basically, terrible. Any hints or tips gratefully accepted and thank you very much in advance for them!

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  • Adobe Flex Transparency not working on Button icon

    - by johnc
    I am fairly inexperienced with Flex, but my googling has retrieved nothing to suggest this is an obvious question. I have an mx:Button with an Icon on it that is a png file with a transparent background, as below, however the transparency is not working, and the icon is painted with a white background. <mx:Button label="Button" icon="@Embed(source='images/clearTracks.png')"/> I have seen how to use a ByteArrayImage to get a transparency working on an image, but this technique doesn't appear available for a button's icon property.

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