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  • Here's your chance: MOS Feedback Sessions @OOW

    - by cwarticki
    Bring your questions, comments, concerns, opinions, recommendations, enhancement requests and any emotional outbursts!   As I travel the world and speak to thousands of customers, I receive plenty of feedback about My Oracle support.  Come hear directly from the source. Meet Dennis Reno, VP of Customer Portal Experience. The Customer Portal Experience team will host a My Oracle Support Tips and Techniques session and three roundtable feedback sessions at this year’s Oracle OpenWorld. The sessions will include a Hardware Support component, as well as best practices that are sure to benefit all My Oracle Support users. The events planned will give our users the opportunity to learn more about how the My Oracle Support customer portal adds value to the support process and to their business needs. The roundtable feedback sessions will allow customers to meet, give feedback, and share their experiences directly with the team responsible for the customer portal experience. Date Time (PT) Session Name Mon, Oct 1 01:45 PM My Oracle Support: Tips and Techniques for Getting the Best Hardware Support Possible (Session #CON9745) Tue, Oct 2 11:00 AM Roundtable - My Oracle Support General Feedback Wed, Oct 3 11:00 AM Roundtable - My Oracle Support Community Feedback Thr, Oct 4 11:00 AM Roundtable - My Oracle Support General Feedback Customers can find more information, including specific details about how to attend, by accessing My Oracle Support at OpenWorld (Article ID 1484508.1). Enjoy OpenWorld everyone! -Chris Warticki Global Customer Management

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  • How do I align my partition table properly?

    - by Jorge Castro
    I am in the process of building my first RAID5 array. I've used mdadm to create the following set up: root@bondigas:~# mdadm --detail /dev/md1 /dev/md1: Version : 00.90 Creation Time : Wed Oct 20 20:00:41 2010 Raid Level : raid5 Array Size : 5860543488 (5589.05 GiB 6001.20 GB) Used Dev Size : 1953514496 (1863.02 GiB 2000.40 GB) Raid Devices : 4 Total Devices : 4 Preferred Minor : 1 Persistence : Superblock is persistent Update Time : Wed Oct 20 20:13:48 2010 State : clean, degraded, recovering Active Devices : 3 Working Devices : 4 Failed Devices : 0 Spare Devices : 1 Layout : left-symmetric Chunk Size : 64K Rebuild Status : 1% complete UUID : f6dc829e:aa29b476:edd1ef19:85032322 (local to host bondigas) Events : 0.12 Number Major Minor RaidDevice State 0 8 16 0 active sync /dev/sdb 1 8 32 1 active sync /dev/sdc 2 8 48 2 active sync /dev/sdd 4 8 64 3 spare rebuilding /dev/sde While that's going I decided to format the beast with the following command: root@bondigas:~# mkfs.ext4 /dev/md1p1 mke2fs 1.41.11 (14-Mar-2010) /dev/md1p1 alignment is offset by 63488 bytes. This may result in very poor performance, (re)-partitioning suggested. Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=16 blocks, Stripe width=48 blocks 97853440 inodes, 391394047 blocks 19569702 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=0 11945 block groups 32768 blocks per group, 32768 fragments per group 8192 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 102400000, 214990848 Writing inode tables: ^C 27/11945 root@bondigas:~# ^C I am unsure what to do about "/dev/md1p1 alignment is offset by 63488 bytes." and how to properly partition the disks to match so I can format it properly.

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  • Microsoft Silverlight Analytics Framework - Day 2 Part 2 of MIX 2010

    - by GeekAgilistMercenary
    I went to the session on Microsoft Silverlight Analytics Framework (MSAF) today while here at MIX 2010.  It was a great walk through the features, ideas, and what the end goal is.  Michael Scherotter did a great job of lining up the ideas, intentions, and the functional ideas behind the framework. The framework is built around the Silverlight Behaviors.  If you aren't sure what behaviors are, check out these entries from Nikhilk.net Silverlight Behaviors, Silverlight 3 Drag Behavior, An Introduction to Behaviors, Triggers, and Actions, and of course the MSDN Documentation on the matter. Some of the key features of the framework is to support out-of-browser scenarios, which works perfectly with out Webtrends DX Web Services.  Offline scenarios, which again, we have worked toward supporting at Webtrends DC Web Services via caching and other criteria as needed.  Another feature that I was really stoked about is the Microsoft Expression Blend integration that removes the need for coding, thus simplifying the addition of analytics components based on events or other actions within a Silverlight Application.  This framework also easily supports A/B Testing (again, something we do quit a bit of at Webtrends with Webtrends Optimize. The last thing I really wanted to point out was the control support that this framework has support in already from Telerik RadControls, Smooth Streaming Media Element, and Microsoft Silverlight Media Framework Player 1.0.  These are implemented with behaviors and handlers exposed via MEF (Managed Extensibility Framework). All in all, great second day, great analytics framework for Silverlight, and great presentation.  Until tomorrow, adieu. For this original entry and all sorts of other technical gibberish I write, check out my other blog Agilist Mercenary.

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  • ReSharper C# Live Template for Declaring Routed Event

    - by Bart Read
    Here's another WPF ReSharper Live Template for you. This one is for declaring standalone routed events of any type. Again, it's pretty simple:        #region $EVENTNAME$ Routed Event       public static readonly RoutedEvent $EVENTNAME$Event = EventManager.RegisterRoutedEvent(            "$EVENTNAME$",           RoutingStrategy.$ROUTINGSTRATEGY$,           typeof( $EVENTHANDLERDELEGATE$ ),           typeof( $DECLARINGTYPE$ ) );       public event $EVENTHANDLERDELEGATE$ $EVENTNAME$       {           add { AddHandler( $EVENTNAME$Event, value ); }           remove { RemoveHandler( $EVENTNAME$Event, value ); }       }       protected virtual void On$EVENTNAME$()       {           RaiseEvent( new $EVENTARGSTYPE$( $EVENTNAME$Event, this ) );           $END$       }       #endregion Here are my previous posts along the same lines: ReSharper C# Live Template for Read-Only Dependency Property and Routed Event Boilerplate ReSharper C# Live Template for Dependency Property and Property Change Routed Event Boilerplate Code Enjoy! Technorati Tags: resharper,live template,c#,routed event,wpf,boilerplate,code generation

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  • Implementing MVC pattern in SWT application

    - by Pradeep Simha
    I am developing an SWT application (it's basically an Eclipse plugin, so I need to use SWT). Currently my design is as follows: Model: In model, I have POJOs which represents the actual fields in views. View: It is a dumb layer, it contains just UI and contains no logic (not even event handlers) Controller: It acts as a mediator b/w those two layers. Also it is responsible for creating view layer, handling events etc. Basically I have created all of the controls in view as a static like this public static Button btnLogin and in controller I have a code like this: public void createLoginView(Composite comp) { LoginFormView.createView(comp); //This createView method is in view layer ie LoginFormView LoginFormView.btnLogin.addSelectionListener(new SelectionListener() { //Code goes here }); } Similalrly I have done for other views and controls. So that in main class and other classes I am calling just createLoginView of controller. I am doing similar thing for other views. So my question, is what I am doing is correct? Is this design good? Or I should have followed any other approach. Since I am new to SWT and Eclipse plugin development (basically I am Java EE developer having 4+ years of exp). Any tips/pointers would be appreciated.

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  • ArchBeat Link-o-Rama for December 5, 2012

    - by Bob Rhubart
    On the Cultural-Linguistic Turn | Richard Veryard "When an architect chooses to label something as a 'silo' or 'legacy,' or uses words like 'integrated' and 'standardized,', these may not always be objectively verifiable categories but subjective judgements, around which the architect may then weave an appropriate story." -- Richard Veryard Advanced Oracle SOA Suite presentations from Open World 2012 | Juergen Kress Oracle SOA and BPM Partner Community blogger Juergen Kress shares a list of 13 SOA presentations delivered or moderated by Oracle SOA Product Management at OOW12 in San Francisco. Coherence 101, Beware of cache listeners | Alexey Ragozin Alexey Ragozin's technical post will help you avoid trouble when working with the cache events facility in Oracle Coherence. 3 Key Cloud Insights for 2013 | CTO Blog Capgemini CTO blogger Ron Tolido highlights three "standout" insights from a recent Capgemini report on the business cloud. Access Control Lists for Roles | Kyle Hatlestad Oracle Fusion Middleware A-Team member Kyle Hatlestad shares background info and instructions for activating access control lists for roles in Oracle WebCenter UCM 11g PS5. Thought for the Day "If it ain’t broke, fix it anyway. You must invest least 20% of your maintenance budget in refreshing your architecture to prevent good software from becoming spaghetti code." — Larry Bernstein Source: SoftwareQuotes.com

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  • Input handling between game loops

    - by user48023
    This may be obvious and trivial for you but as I am a newbie in programming I come with a specific question. I have three loops in my game engine which are input-loop, update-loop and render-loop. Update-loop is set to 10 ticks per second with a fixed timestep, render-loop is capped at around 60 fps and the input-loop runs as fast as possible. I am using one of the Javascript frameworks which provide such things but it doesn't really matter. Let's say I am rendering a tile map and the view of which elements are rendered depends on camera-like movement variables which are modified during key pressing. This is only about camera/viewport and rendering, no game physics involved here. And now, how can I handle input events among these loops to keep consistent engine reaction? Am I supposed to read the current variable modified with input and do some needed calculations in a update-loop and share the result so it could be interpolated in a render-loop? Or read the input effect directly inside the render-loop and put needed calculations inside? I thought interpreting user input inside an update-loop with a low tick rate would be inaccurate and kind of unresponsive while rendering with interpolation in the final view. How it is done properly in games overall?

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  • Is an ACPI GPE storm normal in an Ubuntu session?

    - by Tinellus
    In a previous question (What is a an ACPI GPE storm?), I asked about ACPI GPE storm. Looking closer to my kern.log file in /var/log/, I notice that in every session at some point (usually withing 20' after startup) a GPE storm is triggered. When I open kern.log immediately after startup, I see that the 'GPE-storm' can be triggered by anything (a copy-action, the opening of an app like Firefox or Thunderbird, etc...). This worries me. Looking for other ACPI related events in kern.log, I find these error messages. I hope someone can give some advice: Jun 10 16:33:20 Guy-VAIO kernel: [ 0.724505] ACPI FADT declares the system doesn't support PCIe ASPM, so disable it Jun 10 16:33:20 Guy-VAIO kernel: [ 0.795205] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored Jun 10 16:33:20 Guy-VAIO kernel: [ 1.024009] ACPI: Deprecated procfs I/F for battery is loaded, please retry with CONFIG_ACPI_PROCFS_POWER cleared Jun 10 16:33:20 Guy-VAIO kernel: [ 23.140259] [Firmware Bug]: ACPI(VGA) defines _DOD but not _DOS There's also a video driver message that worries me, don't know if it's related though: Jun 10 16:33:20 Guy-VAIO kernel: [ 23.162154] fglrx: module license 'Proprietary. (C) 2002 - ATI Technologies, Starnberg, GERMANY' taints kernel. Jun 10 16:33:20 Guy-VAIO kernel: [ 23.162158] Disabling lock debugging due to kernel taint As mentioned in my previous question, I'm experiencing frequent (several times /d) application crashes, that seem random, with apport messages being sent, and less frequent (once a week or so) complete system freezes where the system becomes unresponsive to keyboard, mouse or touchpad input and the only solution is a hard reboot (press start button) My questions: what about the Firmware Bugs in ACPI? how and where do I have to 'clear CONFIG_ACPI_PROCFS_POWER'? what does it mean when fglrx 'taints the kernel', is it serious and what could I do about it? Ubuntu 12.04, 64-bit, 3.2.0-25-generic Kernel, Intel® Core™ i5-2430M CPU @ 2.40GHz × 4 Thanks

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  • Apache no longer starts at Windows boot up

    - by w3d
    I have Apache installed as part of XAMPP - local test server. It is configured as a Windows (XP) Service. Startup type is "Automatic". For a long time now it has always started when Windows boots up, but recently this has stopped happening. I now need to start it manually via the XAMPP Control Panel - at which point it appears to start up perfectly OK. The only recent updates to the machine (that I recall) are Windows Updates - none of which appear to have "known issues" that relate to this. And updates to Google Chrome. Any ideas what could prevent Apache from starting automatically at Windows (XP) boot up? EDIT#1 There are 2 related Errors in my system event log regarding the Service Control Manager: Timeout (30000 milliseconds) waiting for the Apache2.2 service to connect. The Apache2.2 service failed to start due to the following error: The service did not respond to the start or control request in a timely fashion. When I manually start the Apache server after boot up there are 2 "information" events stating that it was "sent a start control" and that it "entered the running state". Although I notice it appears to take 19 seconds between the start control being sent and entering a running state - according to the event log. So, maybe 30 seconds during boot up isn't long enough (anymore) for Apache to start??

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  • Java Spotlight Episode 109: Pete Muir on CDI 1.1 @plmuir

    - by Roger Brinkley
    Interview with Pete Muir of Red Hat on CDI 1.1. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link:  Java Spotlight Podcast in iTunes. Show Notes News Getting started with Java Embedded Videos CDI 1.1 Public Review and Feedback Events Nov 20, JCP Public Meeting (see details below) Nov 20-22, DOAG 2012, Nuremberg, Germany Dec 3-5, jDays, Göteborg, Sweden Dec 4-6, JavaOne Latin America, Sao Paolo, Brazil Dec 14-15, IndicThreads, Pune, India Feature InterviewPete Muir is leading the CDI 1.1 specification, and work on JBoss Developer Framework, a set of tutorials and examples for all JBoss users. Previously, Pete has worked on Infinispan and I led the Seam and Weld projects, and is a founder of the Arquillian project. Pete has worked on a number of specifications including JSF 2.0, AtInject and Java EE 7. Pete is a regular speaker at JUGs and conferences such as JavaOne, Devoxx, JAX, JavaBlend, JSFDays, JBoss World, Red Hat Developer Day and JUDCon.Pete is currently employed by Red Hat Inc. working on JBoss open source projects. Before working for Red Hat, Pete used and contributed to Seam whilst working at a UK based staffing agency as IT Development Manager.

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  • Java Spotlight Episode 89: Geoff Morton on Java Embedded

    - by Roger Brinkley
    Interview with Geoff Morton, Group Vice President, Worldwide Java Sales at Oracle , on Java embedded. Joining us this week on the Java All Star Developer Panel are Dalibor Topic, Java Free and Open Source Software Ambassador and Arun Gupta, Java EE Guy. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link:  Java Spotlight Podcast in iTunes. Show Notes News EclipseLink 2.4 Hands-on FREE GlassFish Course NetBeans IDE 7.2 RC1 Hamish Morrison: OpenJDK Haiku port: quarter term report Proposed Update to the OpenJDK Web Site Terms of Use JavaOne Embedded Oracle Java ME Embedded Client (OJEC) 1.1 release on OTN New Videos Understanding the JVM and Low Latency Applications 55 New Things in Java 7 - Concurrency Events July 5, Java Forum, Stuttgart, Germany Jul 12, Java EE 6 workshop at Mindtree, Bangalore Jul 13-14, IndicThreads, Delhi July 30-August 1, JVM Language Summit, Santa Clara Feature InterviewGeoff Morton is the Group Vice President, Worldwide Java Sales at Oracle. Mail Bag What’s Cool Duke’s Choice Awards decision is going on Java Champions Facebook Page Joe Darcy: Moving monarchs and dragons: migrating the JDK bugs to JIRA Mike Duigou: Updated Lambda Binary Drops Mark Reinhold: Mercurial "jcheck" extension now available

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  • eSTEP TechCast - November 2013

    - by uwes
    Dear partner, we are pleased to announce our next eSTEP TechCast on Thursday 7th of November and would be happy if you could join. Please see below the details for the next TechCast.Date and time:Thursday, 07. November 2013, 11:00 - 12:00 GMT (12:00 - 13:00 CET; 15:00 - 16:00 GST) Title: The Operational Management benefits of Engineered Systems Abstract:Oracle Engineered Systems require significantly less administration effort than traditional platforms. This presentation will explain why this is the case, how much can be saved and discusses the best practices recommended to maximise Engineered Systems operational efficiency. Target audience: Tech Presales Speaker: Julian Lane Call Info:Call-in-toll-free number: 08006948154 (United Kingdom)Call-in-toll-free number: +44-2081181001 (United Kingdom) Show global numbers Conference Code: 803 594 3Security Passcode: 9876Webex Info (Oracle Web Conference) Meeting Number: 599 156 244Meeting Password: tech2011 Playback / Recording / Archive: The webcasts will be recorded and will be available shortly after the event in the eSTEP portal under the Events tab, where you could find also material from already delivered eSTEP TechCasts. Use your email-adress and PIN: eSTEP_2011 to get access. Feel free to have a look. We are happy to get your comments and feedback. Thanks and best regards, Partner HW Enablement EMEA

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  • How do you pronounce the '...' operator

    - by Uri
    Now, in c++ '...' became a first class operator. In speech, how do you pronounce it? So far I've heard: dot dot dot triple dot ellipsis related: Is it OK to replace ... with ellipsis in writing? e.g. "The ellipsis operator expands the pack" EDIT (clarification): We are all aware that '...' as a punctuation mark is indeed called ellipsis. But in the context of C++ we don't pronounce the names of the punctuation mark. For example, the '&' operator, depends on the context is pronounced as 'and', 'bitwise and', 'address of', 'logical and' (when && is used), or 'reference'. It is rarely pronounced as 'ampersand'. In speeches, I've a feeling that 'dot dot dot' is used more often. For example: http://channel9.msdn.com/Events/GoingNative/GoingNative-2012/Variadic-Templates-are-Funadic (an excellent presentation about variadic templates). On the other hand, 'dot dot dot' is awkward hard to pronouce ('d' and 't' are both pronounce with the tongue). Can we pronounce it 'unpack'?

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  • Speaking at MySQL Connect 2012

    - by jonathonc
    At the end of September, the MySQL Connect 2012 conference will be held as part of Oracle OpenWorld in San Francisco. MySQL Connect is a two day event that allows attendees to focus on MySQL at a technical depth with presentations and interaction with many of the MySQL developers, engineers and other knowledgeable staff. There is also a range a international speakers to give broader knowledge to the presentations. I am presenting a Hands-On Lab on Sunday 30th September 16:15 - 17:15 entitled HOL10474 - MySQL Security: Authentication and Auditing. The sessions goes through an introduction to the plugin API and how it can help expand the capabilities of MySQL. Since it is a hands-on lab, attendees will use practical examples of implementing simple plugins to get a start in developing their own plugins. These plugin examples are based around implementing PAM authentication and how it can be utilized to offer greater security for the MySQL Server. Once the authentication has been tested, a method to monitor it will be implemented using the auditing API and logging different events as they happen in the service. There is a total of 78 sessions at MySQL Connect 2012 with a great range of speakers. Hope to see you there!

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  • Windows 8 Launch&ndash;Why OEM and Retailers Should STFU

    - by D'Arcy Lussier
    Microsoft has gotten a lot of flack for the Surface from OEM/hardware partners who create Windows-based devices and I’m sure, to an extent, retailers who normally stock and sell Windows-based devices. I mean we all know how this is supposed to work – Microsoft makes the OS, partners make the hardware, retailers sell the hardware. Now Microsoft is breaking the rules by not only offering their own hardware but selling them via online and through their Microsoft branded stores! The thought has been that Microsoft is trying to set a standard for the other hardware companies to reach for. Maybe. I hope, at some level, Microsoft may be covertly responding to frustrations associated with trusting the OEMs and Retailers to deliver on their part of the supply chain. I know as a consumer, I’m very frustrated with the Windows 8 launch. Aside from the Surface sales, there’s nothing happening at the retail level. Let me back up and explain. Over the weekend I visited a number of stores in hopes of trying out various Windows 8 devices. Out of three retailers (Staples, Best Buy, and Future Shop), not *one* met my expectations. Let me be honest with you Staples, I never really have high expectations from your computer department. If I need paper or pens, whatever, but computers – you’re not the top of my list for price or selection. Still, considering you flaunted Win 8 devices in your flyer I expected *something* – some sign of effort that you took the Windows 8 launch seriously. As I entered the 1910 Pembina Highway location in Winnipeg, there was nothing – no signage, no banners – nothing that would suggest Windows 8 had even launched. I made my way to the laptops. I had to play with each machine to determine which ones were running Windows 8. There wasn’t anything on the placards that made it obvious which were Windows 8 machines and which ones were Windows 7. Likewise, there was no easy way to identify the touch screen laptop (the HP model) from the others without physically touching the screen to verify. Horrible experience. In the same mall as the Staples I mentioned above, there’s a Future Shop. Surely they would be more on the ball. I walked in to the 1910 Pembina Highway location and immediately realized I would not get a better experience. Except for the sign by the front door mentioning Windows 8, there was *nothing* in the computer department pointing you to the Windows 8 devices. Like in Staples, the Win 8 laptops were mixed in with the Win 7 ones and there was nothing notable calling out which ones were running Win 8. I happened to hit up the St. James Street location today, thinking since its a busier store they must have more options. To their credit, they did have two staff members decked out in Windows 8 shirts and who were helping a customer understand Windows 8. But otherwise, there was nothing highlighting the Windows 8 devices and they were again mixed in with the rest of the Win 7 machines. Finally, we have the St. James Street Best Buy location here in Winnipeg. I’m sure Best Buy will have their act together. Nope, not even close. Same story as the others: minimal signage (there was a sign as you walked in with a link to this schedule of demo days), Windows 8 hardware mixed with the rest of the PC offerings, and no visible call-outs identifying which were Win 8 based. This meant that, like Future Shop and Staples, if you wanted to know which machine had Windows 8 you had to go and scrutinize each machine. Also, there was nothing identifying which ones were touch based and which were not. Just Another Day… To these retailers, it seemed that the Windows 8 launch was just another day, with another product to add to the showroom floor. Meanwhile, Apple has their dedicated areas *in all three stores*. It was dead simple to find where the Apple products were compared to the Windows 8 products. No wonder Microsoft is starting to push their own retail stores. No wonder Microsoft is trying to funnel orders through them instead of relying on these bloated retail big box stores who obviously can’t manage a product launch. It’s Not Just The Retailers… Remember when the Acer CEO, Founder, and President of Computer Global Operations all weighed in on how Microsoft releasing the Surface would have a “huge negative impact for the ecosystem and other brands may take a negative reaction”? Also remember the CEO stating “[making hardware] is not something you are good at so please think twice”? Well the launch day has come and gone, and so far Microsoft is the only one that delivered on having hardware available on the October 26th date. Oh sure, there are laptops running Windows 8 – but all in one desktop PCs? I’ve only seen one or two! And tablets are *non existent*, with some showing an early to late November availability on Best Buy’s website! So while the retailers could be doing more to make it easier to find Windows 8 devices, the manufacturers could help by *getting devices into stores*! That’s supposedly something that these companies are good at, according to the Acer CEO. So Here’s What the Retailers and Manufacturers Need To Do… Get Product Out The pivotal timeframe will be now to the end of November. We need to start seeing all these fantastic pieces of hardware ship – including the Samsung ATIV Smart PC Pro, the Acer Iconia, the Asus TAICHI 21, and the sexy Samsung Series 7 27” desktop. It’s not enough to see product announcements, we need to see actual devices. Make It Easy For Customers To Find Win8 Devices You want to make it easy to sell these things? Make it easy for people to find them! Have staff on hand that really know how these devices run and what can be done with them. Don’t just have a single demo day, have people who can demo it every day! Make It Easy to See the Features There’s touch screen desktops, touch screen laptops, tablets, non-touch laptops, etc. People need to easily find the features for each machine. If I’m looking for a touch-laptop, I shouldn’t need to sift through all the non-touch laptops to find them – at the least, I need to quickly be able to see which ones are touch. I feel silly even typing this because this should be retail 101 and I have no retail background (but I do have an extensive background as a customer). In Summary… Microsoft launching the Surface and selling them through their own channels isn’t slapping its OEM and retail partners in the face; its slapping them to wake the hell up and stop coasting through Windows launch events like they don’t matter. Unless I see some improvements from vendors and retailers in November, I may just hold onto my money for a Surface Pro even if I have to wait until early 2013. Your move OEM/Retailers. *Update – While my experience has been in Winnipeg, similar experiences have been voiced from colleagues in Calgary and Edmonton.

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  • Today's Links (6/21/2011)

    - by Bob Rhubart
    Keeping your process clean: Hiding technology complexity behind a service | Izaak de Hullu Izaak de Hullu offers a solution to "technology pollution like exception handling, technology adapters and correlation." WebLogic Weekly for June 20th, 2011 | James Bayer James Bayer presents "a round-up what has been going on in WebLogic over the past week." Publish to EDN from Java & OSB with JMS | Edwin Biemond Busy blogger and Oracle ACE Edwin Biemond shows "how you can publish events from Java and OSB." How is HTML 5 changing web development? | Audrey Watters - O'Reilly Radar In this interview, OSCON speaker Remy Sharp discusses HTML5's current usage and how it could influence the future of web apps and browsers. SOA Governance Book | SOA Partner Community Blog Information on how those in EMEA can win a free copy of SOA Governance: Governing Shared Services On-Premise and in the Cloud by Thomas Erl, et al. Keeping The Faith on 11i | Floyd Teter "The iceberg is melting, the curtain is coming down, the lights are dimming, the fat lady is singing," says Oracle ACE Director Floyd Teter. Configure and test JMS based EDN in SOA Suite 11g | Edwin Biemond Oracle ACE Edwin Biemond shows you "how to configure EDN-JMS and how to publish an Event to this JMS Queue." Choosing the best way for SOA Suite and Oracle Service Bus to interact with the Oracle Database | Lucas Jellema Oracle ACE Director Lucas Jellema illustrates "over 20 different interaction channels" covering "a fairly wild variation of attributes, required skills, productivity and performance characteristics." Oracle Data Integrator 11.1.1.5 Complex Files as Sources and Targets | Alex Kotopoulis ODI 11.1.1.5 adds the new Complex File technology for use with file sources and targets. The goal is to read or write file structures that are too complex to be parsed using the existing ODI File technology. Java Spotlight Podcast Episode 35: JVM Performance and Quality Featuring an interview with Vladimir Ivanov, Ivan Krylov, and Sergey Kuksenko on the JDK 7 Java Virtual Machine performance and quality. Also includes the Java All Star Developer Panel featuring Dalibor Topic, Java Free and Open Source Software Ambassador, and Alexis Moussine-Pouchkine, Java EE Developer Advocate.

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  • Updated Intel display driver causing errors when booting

    - by cdysthe
    I upgraded to to Graphics Installer 1.0.6 on my Ubuntu 14.04 and installed the drivers using the Intel Graphics Installer. The laptop is Intel Ivybridge powered with Intel HD graphics. It Optimus but I have disabled the Nvidia card in bios. The Intel Graphics Installer installs the package i915-3.15-3.13-dkms.deb which I assume is the updated driver. It causes a bunch of error messages when I boot. Here are the relevant errors from dmesg when I boot: [ 7.206151] drm: module verification failed: signature and/or required key missing - tainting kernel [ 7.208045] drm: module has bad taint, not creating trace events [ 7.336470] fb: conflicting fb hw usage inteldrmfb vs VESA VGA - removing generic driver [ 7.393854] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013) [ 7.393855] [drm] Driver supports precise vblank timestamp query. [ 7.393921] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 7.505798] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5 [ 7.507233] init: Failed to obtain startpar-bridge instance: Unknown parameter: INSTANCE [ 7.944183] [drm:cpt_serr_int_handler] ERROR PCH transcoder A FIFO underrun [ 8.368479] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 8.368480] i915 0000:00:02.0: registered panic notifier [ 8.818416] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off What could the problem be and will it affect performance? I tried to remove the package and the errors went away but I'm then running and older driver I assume?

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  • Iva&rsquo;s internship story

    - by anca.rosu
    Hello, my name is Iva and I am a member of the Internship program at Oracle Czech. When I joined Oracle, I initially worked as an Alliances and Channel Marketing Assistant at Oracle Czech Republic, but most recently, I have been working in the Demand Generation Team. I am a student of the Economics and Management Faculty at Czech University of Life Sciences in Prague, specializing in Marketing, Business and Administration. I have recently passed my Bachelor exams. I received the information about Oracle’s Internship opportunity from a friend. I joined Oracle in September 2008 and worked as an Alliances and Channel Marketing Assistant until May 2009. Here I was responsible for the Open Market Model (OMM) and at the same time I was covering communication with Partners, Oracle Events and Team Buildings as well as creating Partner Databases and Reports. At the moment, I support our Demand Generation Team to execute Direct Marketing campaigns in Czech Republic, Slovak Republic and Hungary. In addition to this, I help with Reporting and Contact Data Management for the whole of the European Enlargement (EE) and Commonwealth of Independent States (CIS) regions. I enjoy my job and I appreciate the experience. Every day is interesting, because every day I learn something new. I am very happy that I was presented with an opportunity to work at Oracle and cooperate with friendly people in a multicultural environment. Oracle gives me the chance to develop my skills and start building my career. I am able to attend interesting training classes, improve my language skills and enjoy sporting activities, such as squash, swimming and aerobics, at the same time. If you dream of working in an international company and you would like to join a very dynamic industry, I really can recommend Oracle without a doubt, even if you have no IT background! If you have any questions related to this article feel free to contact  [email protected].  You can find our job opportunities via http://campus.oracle.com   Technorati Tags: Internship program,Oracle Czech,Economics,Management Faculty,Czech University of Life Sciences in Prague,Demand Generation Team

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  • CodePlex Daily Summary for Thursday, December 23, 2010

    CodePlex Daily Summary for Thursday, December 23, 2010Popular ReleasesSSH.NET Library: 2010.12.23: This release includes some bug fixes and few new fetures. Fixes Allow to retrieve big directory structures ssh-dss algorithm is fixed Populate sftp file attributes New Features Support for passhrase when private key is used Support added for diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha256 and diffie-hellman-group-exchange-sha1 key exchange algorithms Allow to provide multiple key files for authentication Add support for "keyboard-interactive" authentication method...ASP.NET MVC SiteMap provider: MvcSiteMapProvider 2.3.0: Using NuGet?MvcSiteMapProvider is also listed in the NuGet feed. Learn more... Like the project? Consider a donation!Donate via PayPal via PayPal. Release notesThis will be the last release targeting ASP.NET MVC 2 and .NET 3.5. MvcSiteMapProvider 3.0.0 will be targeting ASP.NET MVC 3 and .NET 4 Web.config setting skipAssemblyScanOn has been deprecated in favor of excludeAssembliesForScan and includeAssembliesForScan ISiteMapNodeUrlResolver is now completely responsible for generating th...SuperSocket, an extensible socket application framework: SuperSocket 1.3 beta 2: Compared with SuperSocket 1.3 beta 1, the changes listed below have been done in SuperSocket 1.3 beta 2: added supports for .NET 3.5 replaced Logging Application Block of EntLib with Log4Net improved the code about logging fixed a bug in QuickStart sample project added IPv6 supportTibiaPinger: TibiaPinger v1.0: TibiaPinger v1.0Media Companion: Media Companion 3.400: Extract the entire archive to a folder which has user access rights, eg desktop, documents etc. A manual is included to get you startedPackage that minifies and combines JavaScript and CSS files: Release 1.1: Bug fixes. The package now correctly handles inlined images and image urls in CSS files surrounded by quotes. CombineAndMinify can now be used in conjunction with Microsoft's Sprite and Image Optimization Framework. That framework combines several small images into one, reducing overall load times.Multicore Task Framework: MTF 1.0.1: Release 1.0.1 of Multicore Task Framework.SQL Monitor - tracking sql server activities: SQL Monitor 3.0 alpha 7: 1. added script save/load in user query window 2. fixed problem with connection dialog when choosing windows auth but still ask for user name 3. auto open user table when double click one table node 4. improved alert message, added log only methodOpen NFe: Open NFe 2.0 (Beta): Última versão antes da versão final a ser lançada nos próximos dias.EnhSim: EnhSim 2.2.6 ALPHA: 2.2.6 ALPHAThis release supports WoW patch 4.03a at level 85 To use this release, you must have the Microsoft Visual C++ 2010 Redistributable Package installed. This can be downloaded from http://www.microsoft.com/downloads/en/details.aspx?FamilyID=A7B7A05E-6DE6-4D3A-A423-37BF0912DB84 To use the GUI you must have the .NET 4.0 Framework installed. This can be downloaded from http://www.microsoft.com/downloads/en/details.aspx?FamilyID=9cfb2d51-5ff4-4491-b0e5-b386f32c0992 - Fixing up some r...ASP.NET MVC Project Awesome (jQuery Ajax helpers): 1.4.3: Helpers (controls) that you can use to build highly responsive and interactive Ajax-enabled Web applications. These helpers include Autocomplete, AjaxDropdown, Lookup, Confirm Dialog, Popup Form, Popup and Pager new stuff: Improvements for confirm, popup, popup form RenderView controller extension the user experience for crud in live demo has been substantially improved + added search all the features are shown in the live demoGanttPlanner: GanttPlanner V1.0: GanttPlanner V1.0 include GanttPlanner.dll and also a Demo application.N2 CMS: 2.1 release candidate 3: * Web platform installer support available N2 is a lightweight CMS framework for ASP.NET. It helps you build great web sites that anyone can update. Major Changes Support for auto-implemented properties ({get;set;}, based on contribution by And Poulsen) A bunch of bugs were fixed File manager improvements (multiple file upload, resize images to fit) New image gallery Infinite scroll paging on news Content templates First time with N2? Try the demo site Download one of the templ...TweetSharp: TweetSharp v2.0.0.0 - Preview 6: Documentation for this release may be found at http://tweetsharp.codeplex.com/wikipage?title=UserGuide&referringTitle=Documentation. Note: This code is currently preview quality. Preview 6 ChangesMaintenance release with user reported fixes Preview 5 ChangesMaintenance release with user reported fixes Preview 4 ChangesReintroduced fluent interface support via satellite assembly Added entities support, entity segmentation, and ITweetable/ITweeter interfaces for client development Numer...Team Foundation Server Administration Tool: 2.1: TFS Administration Tool 2.1, is the first version of the TFS Administration Tool which is built on top of the Team Foundation Server 2010 object model. TFS Administration Tool 2.1 can be installed on machines that are running either Team Explorer 2010, or Team Foundation Server 2010.SubtitleTools: SubtitleTools 1.3: - Added .srt FileAssociation & Win7 ShowRecentCategory feature. - Applied UnifiedYeKe to fix Persian search problems. - Reduced file size of Persian subtitles for uploading @OSDB.Facebook C# SDK: 4.1.0: - Lots of bug fixes - Removed Dynamic Runtime Language dependencies from non-dynamic platforms. - Samples included in release for ASP.NET, MVC, Silverlight, Windows Phone 7, WPF, WinForms, and one Visual Basic Sample - Changed internal serialization to use Json.net - BREAKING CHANGE: Canvas Session is no longer support. Use Signed Request instead. Canvas Session has been deprecated by Facebook. - BREAKING CHANGE: Some renames and changes with Authorizer, CanvasAuthorizer, and Authorization ac...NuGet: NuGet 1.0 build 11217.102: Note: this release is slightly newer than RC1, and fixes a couple issues relating to updating packages to newer versions. NuGet is a free, open source developer focused package management system for the .NET platform intent on simplifying the process of incorporating third party libraries into a .NET application during development. This release is a Visual Studio 2010 extension and contains the the Package Manager Console and the Add Package Dialog. This new build targets the newer feed (h...WCF Community Site: WCF Web APIs 10.12.17: Welcome to the second release of WCF Web APIs on codeplex Here is what is new in this release. WCF Support for jQuery - create WCF web services that are easy to consume from JavaScript clients, in particular jQuery. Better support for using JsonValue as dynamic Support for JsonValue change notification events for databinding and other purposes Support for going between JsonValue and CLR types WCF HTTP - create HTTP / REST based web services. This is a minor release which contains fixe...Orchard Project: Orchard 0.9: Orchard Release Notes Build: 0.9.253 Published: 12/16/2010 How to Install OrchardTo install the Orchard tech preview using Web PI, follow these instructions: http://www.orchardproject.net/docs/Installing-Orchard-Using-Web-PI.ashx Web PI will detect your hardware environment and install the application. --OR-- Alternatively, to install the release manually, download the Orchard.Web.0.9.253.zip file. The zip contents are pre-built and ready-to-run. Simply extract the contents of the Orch...New ProjectsArabic Silverlight IE8 Web Slices: Group of IE8 web slices built on SilverlightAssaultCube Special Edition: Making the classic better!Blazonisation: If have emblem of some state, but don't know anything about it, you can use this tool to resolve your problem. Content Maintenance Dashboard: Content Maintenance Dashboard is a package for Umbraco which lets you bulk publlish, unpublish, move and delete of content items.DFTBASP: Drop files on the window choose permissions or Just backup option DMNarrator Manager: A tool for RPG Narrators (and dungeon masters). First version is focused to old Wolrd of DarknessdnnGr2 - Free DotNetNuke Skin: A free DotNetNuke skin initially created for the DotNetNuke Skinning Presentation at the 2nd meeting of the DNN Greek Community.Duplicate File Explorer: File search utility, that also shows what files are duplicate by name. Supports searching up to 3 different folders at one time, excluding folders or extensions and multiple search patterns.Elmax: Yet another easy to use C++ XML parsing library on Windows! Tutorial coming soon!Firemap: Generates a html page which displays key performance statistics of chosen computers. Jumony Guide: Guide for Jumony Milestone 1Loc Tracker: Location tracking system for android and a php server for managing setup of triggers and events to be notified.MBDeveloper: This is my personal project.MECMS: Its an self-developed ecms.Media Companion: Media Companion is a windows program that allows people to catalogue and browse movie and tv episode collections. Folders are scanned and information is automatically gathered from various sources, including posters, fanart and episode screenshots. MOSS 2007 WebPart for SSO to BlackBoard: This project includes a MOSS 2007 WebPart for Single Sign On (SSO) to a Blackboard 9 Learning Management System. Existing projects and code samples do not include resources for SharePoint 2007 (MOSS) or C#. The goal of to provide these missing resources.MutitouchTest Flash AS3 on IOS (iPhone iPad): MutitouchTest Flash AS3 on IOS (iPhone iPad) www.fbair.net ??????Ipad ????? ??, ???????????????????, ???11?. iTouch4 ????5?? ??????? ? ? ??? ???????????. iPad??????????????Netropya XCogen: XCogen is an xml file config generator for Castle, Unity Spring and StructureMap containers. It's a simple console application for post-build action.Nota Algoritmica EUI: Programa que obtiene del moodle de la asignatura las notas y calcula la media final.Powershell CmdLets for Citrix NetScaler: Powershell CmdLets for the Citrix Netscaler product. This enables for querying & modifying the netscaler configuration through powershell.Scenario Framework - BPM Suite: Business Process Management SystemSchool Authorization System: School Authorization SystemSharePoint Delete Dead Users: This is a small WPF Application that presents all dead users it finds and allows the user to delete them from SharePoint. dead users are users that are not found inside active directory. There is also an LDAP Filter to speed up the query from active directorySugataTools: SugataTools are the helper classes that I usually use in my projects.The Phoenix Foundation - OSAL: Another OSAL for Windows (desktop/mobile) & Linux support.TibiaPinger: Tibia Pinger, Tools, Bot, ArkBot, Tibia, NeoBot, TibiaAuto, NG, ElfBottracer: Modernizes the System.Diagnostics trace infrastructure APIs to bring dynamism, testability and composability to .NET logging.uQR: uQR is an Umbraco package which adds the ability to generate dynamic QR Codes to an Umbraco website.User Account Picture Manager: This little app will try to fetch a users picture from active directory (thumbnailPhoto) and sets this picture on Windows Vista/2008/7/2008 R2 as User Account PictureVirtual Shell Service: Virtual Shell Service, is a service that runs on your server allowing trusted users to interact with the system via a sand boxed environment. The service has been designed to support mapping terminal commands in different ways via plugins and XML mappingWindows Live Writer Codehighlighting Plugin For Alex Gorbatchev's SyntaxHighligh: Windows Live Writer Codehighlighting Plugin For Alex Gorbatchev's SyntaxHighlighter. More information about the proect please visit http://tugberkugurlu.com/41

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  • Java Spotlight Episode 87: Nandini Ramani on Java FX and Embedded Java

    - by Roger Brinkley
    Interview with Nandini Ramani on JavaFX and Embedded Java. Joining us this week on the Java All Star Developer Panel is Arun Gupta, Java EE Guy. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java Spotlight Podcast Feed to get the latest podcast automatically. If you use iTunes you can open iTunes and subscribe with this link:  Java Spotlight Podcast in iTunes. Show Notes News JFXtras Project: There’s an app for that! JavaOne 2012 content catalog is online Native packaging for JavaFX in 2.2 EL 3.0 Public Review (JSR 341) el-spec.java.net Events June 18-20, QCon, New York City June 19, CJUG, Chicago June 20, 1871, Chicago June 26-28, Jazoon, Zurich, Switzerland Jun 27, Houston JUG July 5, Java Forum, Stuttgart, Germany Jul 13-14, IndicThreads, Delhi July 30-August 1, JVM Language Summit, Santa Clara Feature InterviewNandini Ramani is Vice President of Development at Oracle in the Fusion Middleware Group. She is responsible for the Java Client Platform and has a long history of creating innovation and futures at Sun Microsystems.Nandini launched the JavaFX Platform and tools and had been actively involved in JavaFX since its inception in May 2007. Prior to joining the client group, Nandini was in the Software CTO Office driving the emerging technologies group for incubation projects. She has a background in both hardware and software, having worked in hardware architecture and simulation team in the Accelerated Graphics group and the graphics and media team in the JavaME group. She was involved in the development of XML standards, as Co-Chair of the W3C Scalable Vector Graphics working group and as a member of the W3C Compound Document Formats working group. She was also a member of several graphics and UI related expert groups in the JCP. Mail Bag What’s Cool "OpenJDK is now the heart of a vital piece of technology that runs large parts of our entire civilization.” Java Magazine PetStore using Java EE 6 - Antonio Goncalves

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  • What's New in Business Analytics at Oracle?

    - by jmorourke
    Business Analytics, which includes Business intelligence and Enterprise Performance Management, are top priorities for IT and Finance executives in 2012.  Some of the hot market trends and topics include managing big data, mobile information access, in-memory computing, advanced analytics, predictive modeling, leveraging unstructured data, as well as risk and performance management.  Find out what Oracle is doing about all of this, and what’s new from the market leader in Business Analytics by attending our live webcast event on April 4th titled “Introducing Oracle’s Business Analytics Strategy”.  At this event, you’ll hear about Oracle’s strategy for Business Analytics from Mark Hurd, Oracle President and you can learn about the latest advancements in Oracle’s Business Analytics solutions from Balaji Yelamanchili, SVP of Analytics and Performance Management. The keynote session from Mark and Balaji will be followed by breakout sessions that provide a more in-depth look at what’s new in specific product areas including the latest release of Oracle’s Hyperion Enterprise Performance Management suite, Oracle Business Intelligence Applications and Exalytics In-Memory Machine, Oracle Endeca Information Discovery, Big Data and Advanced Analytics solutions. This event will provide a great opportunity to hear about what’s new in Business Analytics at Oracle, and for attendees to pose questions to Oracle experts during live chat sessions.  Here’s a link to the registration page, and more details about the April 4th event.  We hope to see you (virtually) there! http://www.oracle.com/us/corporate/events/business-analytics/index.html Also, use the following hashtag to follow along on Twitter and share comments during the webcast and Q&A sessions:  #oracleanalytics

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  • SQL SERVER – New Look for CodePlexProject – Hosting for Open Source Software

    - by pinaldave
    Codeplex is my favorite site. CodePlex is Microsoft’s free open source project hosting site. You can create projects to share with the world, collaborate with others on their projects, and download open source software. It is great place to find so many open source project available to explore. All the softwares are free and open source. I often go there at intervals to check what is new in SQL Server field as well on other technologies. Yesterday when I visited it, I had nice surprise as it has total makeover and looks very decent as well elegant at the same time. I have noticed that when I talk about Codeplex is user community, not everybody knows about it. The quickest way I explain what is codeplex is that I start naming few of the projects which are available there and suddenly I start noticing a few hands going up knowing the projects. This is indirect way to prove that many of us know CodePlex usability but do not pay special attention to what it is actually. Let me name a few popular projects of the CodePlex here. SQL Server Sample Database [link] Image Resizer for Windows [link] Ajax Control Toolkit [link] Skype Voice Changer [link] Silverlight Toolkit [link] Windows 7 USB/DBD Download Tool [link] Orchard Project [link] There are very interesting SQL Server projects available on Codeplex as well. I am listing few of them here for reference in listed in no particular order. SQL Server Sample Database [link] SQL Server Compact ToolBox [link] Microsoft Drivers for PHP for SQL Server [link] Internals Viewer for SQL Server [link] SQL Server Spatial Tooks [link] SQL Monitor – managing sql server performance [link] SQL Server 2008 Extended Events SSMS Addin [link] How many of above mentioned project have you come across earlier? Leave a comment it will be interesting to know what our community is familiar with. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • Dummy output after upgrade from 12.04 to 12.10, even though sound card is detected

    - by user115441
    So I just recently upgraded my system from Ubuntu 12.04 to 12.10. However, when I booted into 12.10 for the first time, no sound comes out of my speakers. I checked the sound settings and the Dummy Output was the only thing showing up. I used "hwinfo --sound" to check to see if my sound card was actually installed, and it was installed. hwinfo --sound hal.1: read hal dataprocess 2687: arguments to dbus_move_error() were incorrect, assertion "(dest) == NULL || !dbus_error_is_set ((dest))" failed in file ../../dbus/dbus-errors.c line 282. This is normally a bug in some application using the D-Bus library. libhal.c 3483 : Error unsubscribing to signals, error=The name org.freedesktop.Hal was not provided by any .service files 11: PCI 1b.0: 0403 Audio device [Created at pci.318] Unique ID: u1Nb._aiKlM91Nt0 SysFS ID: /devices/pci0000:00/0000:00:1b.0 SysFS BusID: 0000:00:1b.0 Hardware Class: sound Model: "Intel 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller" Vendor: pci 0x8086 "Intel Corporation" Device: pci 0x2668 "82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller" SubVendor: pci 0x107b "Gateway 2000" SubDevice: pci 0x4040 Revision: 0x04 Driver: "snd_hda_intel" Driver Modules: "snd_hda_intel" Memory Range: 0x50240000-0x50243fff (rw,non-prefetchable) IRQ: 44 (91 events) Module Alias: "pci:v00008086d00002668sv0000107Bsd00004040bc04sc03i00" Driver Info #0: Driver Status: snd_hda_intel is active Driver Activation Cmd: "modprobe snd_hda_intel" Config Status: cfg=new, avail=yes, need=no, active=unknown I'm not sure what to do here. The only time the sound will actually work is when I boot into my Windows partition and then reboot into Ubuntu. I mean I don't want to have to do that every time I want to use Ubuntu. I would really appreciate any help I can get on here.

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  • Constant game speed independent of variable FPS in OpenGL with GLUT?

    - by Nazgulled
    I've been reading Koen Witters detailed article about different game loop solutions but I'm having some problems implementing the last one with GLUT, which is the recommended one. After reading a couple of articles, tutorials and code from other people on how to achieve a constant game speed, I think that what I currently have implemented (I'll post the code below) is what Koen Witters called Game Speed dependent on Variable FPS, the second on his article. First, through my searching experience, there's a couple of people that probably have the knowledge to help out on this but don't know what GLUT is and I'm going to try and explain (feel free to correct me) the relevant functions for my problem of this OpenGL toolkit. Skip this section if you know what GLUT is and how to play with it. GLUT Toolkit: GLUT is an OpenGL toolkit and helps with common tasks in OpenGL. The glutDisplayFunc(renderScene) takes a pointer to a renderScene() function callback, which will be responsible for rendering everything. The renderScene() function will only be called once after the callback registration. The glutTimerFunc(TIMER_MILLISECONDS, processAnimationTimer, 0) takes the number of milliseconds to pass before calling the callback processAnimationTimer(). The last argument is just a value to pass to the timer callback. The processAnimationTimer() will not be called each TIMER_MILLISECONDS but just once. The glutPostRedisplay() function requests GLUT to render a new frame so we need call this every time we change something in the scene. The glutIdleFunc(renderScene) could be used to register a callback to renderScene() (this does not make glutDisplayFunc() irrelevant) but this function should be avoided because the idle callback is continuously called when events are not being received, increasing the CPU load. The glutGet(GLUT_ELAPSED_TIME) function returns the number of milliseconds since glutInit was called (or first call to glutGet(GLUT_ELAPSED_TIME)). That's the timer we have with GLUT. I know there are better alternatives for high resolution timers, but let's keep with this one for now. I think this is enough information on how GLUT renders frames so people that didn't know about it could also pitch in this question to try and help if they fell like it. Current Implementation: Now, I'm not sure I have correctly implemented the second solution proposed by Koen, Game Speed dependent on Variable FPS. The relevant code for that goes like this: #define TICKS_PER_SECOND 30 #define MOVEMENT_SPEED 2.0f const int TIMER_MILLISECONDS = 1000 / TICKS_PER_SECOND; int previousTime; int currentTime; int elapsedTime; void renderScene(void) { (...) // Setup the camera position and looking point SceneCamera.LookAt(); // Do all drawing below... (...) } void processAnimationTimer(int value) { // setups the timer to be called again glutTimerFunc(TIMER_MILLISECONDS, processAnimationTimer, 0); // Get the time when the previous frame was rendered previousTime = currentTime; // Get the current time (in milliseconds) and calculate the elapsed time currentTime = glutGet(GLUT_ELAPSED_TIME); elapsedTime = currentTime - previousTime; /* Multiply the camera direction vector by constant speed then by the elapsed time (in seconds) and then move the camera */ SceneCamera.Move(cameraDirection * MOVEMENT_SPEED * (elapsedTime / 1000.0f)); // Requests to render a new frame (this will call my renderScene() once) glutPostRedisplay(); } void main(int argc, char **argv) { glutInit(&argc, argv); (...) glutDisplayFunc(renderScene); (...) // Setup the timer to be called one first time glutTimerFunc(TIMER_MILLISECONDS, processAnimationTimer, 0); // Read the current time since glutInit was called currentTime = glutGet(GLUT_ELAPSED_TIME); glutMainLoop(); } This implementation doesn't fell right. It works in the sense that helps the game speed to be constant dependent on the FPS. So that moving from point A to point B takes the same time no matter the high/low framerate. However, I believe I'm limiting the game framerate with this approach. Each frame will only be rendered when the time callback is called, that means the framerate will be roughly around TICKS_PER_SECOND frames per second. This doesn't feel right, you shouldn't limit your powerful hardware, it's wrong. It's my understanding though, that I still need to calculate the elapsedTime. Just because I'm telling GLUT to call the timer callback every TIMER_MILLISECONDS, it doesn't mean it will always do that on time. I'm not sure how can I fix this and to be completely honest, I have no idea what is the game loop in GLUT, you know, the while( game_is_running ) loop in Koen's article. But it's my understanding that GLUT is event-driven and that game loop starts when I call glutMainLoop() (which never returns), yes? I thought I could register an idle callback with glutIdleFunc() and use that as replacement of glutTimerFunc(), only rendering when necessary (instead of all the time as usual) but when I tested this with an empty callback (like void gameLoop() {}) and it was basically doing nothing, only a black screen, the CPU spiked to 25% and remained there until I killed the game and it went back to normal. So I don't think that's the path to follow. Using glutTimerFunc() is definitely not a good approach to perform all movements/animations based on that, as I'm limiting my game to a constant FPS, not cool. Or maybe I'm using it wrong and my implementation is not right? How exactly can I have a constant game speed with variable FPS? More exactly, how do I correctly implement Koen's Constant Game Speed with Maximum FPS solution (the fourth one on his article) with GLUT? Maybe this is not possible at all with GLUT? If not, what are my alternatives? What is the best approach to this problem (constant game speed) with GLUT? I originally posted this question on Stack Overflow before being pointed out about this site. The following is a different approach I tried after creating the question in SO, so I'm posting it here too. Another Approach: I've been experimenting and here's what I was able to achieve now. Instead of calculating the elapsed time on a timed function (which limits my game's framerate) I'm now doing it in renderScene(). Whenever changes to the scene happen I call glutPostRedisplay() (ie: camera moving, some object animation, etc...) which will make a call to renderScene(). I can use the elapsed time in this function to move my camera for instance. My code has now turned into this: int previousTime; int currentTime; int elapsedTime; void renderScene(void) { (...) // Setup the camera position and looking point SceneCamera.LookAt(); // Do all drawing below... (...) } void renderScene(void) { (...) // Get the time when the previous frame was rendered previousTime = currentTime; // Get the current time (in milliseconds) and calculate the elapsed time currentTime = glutGet(GLUT_ELAPSED_TIME); elapsedTime = currentTime - previousTime; /* Multiply the camera direction vector by constant speed then by the elapsed time (in seconds) and then move the camera */ SceneCamera.Move(cameraDirection * MOVEMENT_SPEED * (elapsedTime / 1000.0f)); // Setup the camera position and looking point SceneCamera.LookAt(); // All drawing code goes inside this function drawCompleteScene(); glutSwapBuffers(); /* Redraw the frame ONLY if the user is moving the camera (similar code will be needed to redraw the frame for other events) */ if(!IsTupleEmpty(cameraDirection)) { glutPostRedisplay(); } } void main(int argc, char **argv) { glutInit(&argc, argv); (...) glutDisplayFunc(renderScene); (...) currentTime = glutGet(GLUT_ELAPSED_TIME); glutMainLoop(); } Conclusion, it's working, or so it seems. If I don't move the camera, the CPU usage is low, nothing is being rendered (for testing purposes I only have a grid extending for 4000.0f, while zFar is set to 1000.0f). When I start moving the camera the scene starts redrawing itself. If I keep pressing the move keys, the CPU usage will increase; this is normal behavior. It drops back when I stop moving. Unless I'm missing something, it seems like a good approach for now. I did find this interesting article on iDevGames and this implementation is probably affected by the problem described on that article. What's your thoughts on that? Please note that I'm just doing this for fun, I have no intentions of creating some game to distribute or something like that, not in the near future at least. If I did, I would probably go with something else besides GLUT. But since I'm using GLUT, and other than the problem described on iDevGames, do you think this latest implementation is sufficient for GLUT? The only real issue I can think of right now is that I'll need to keep calling glutPostRedisplay() every time the scene changes something and keep calling it until there's nothing new to redraw. A little complexity added to the code for a better cause, I think. What do you think?

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  • Oracle Applications Global User Experience

    - by ultan o'broin
    Today, we're launching Oracle's first ever blog for global user experience (UX) applications issues. We'll be talking about how we design and develop applications for global use, looking at the cultural factors, internationalization (I18n), localization (L10n) and language used for a start. We will also discuss how we study and work with real users so that our customers have applications that allow them to be productive regardless of where they are located in the world. In addition, we will inform you about any globally-related events we know about, and about product features, development frameworks, tools, information and relevant to our worldwide customers. Also, of course, we hope to hear from you, too. If you have anything you want to know about our global user experience, a localization you'd like, or cultural feature you think would be useful, then let us know. If you have any tips or guidelines you'd like to share in this space, then this blog is for you too! As far as global user experience is concerned, you don't have to be lost in translation. Hence the name of the blog!

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