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  • Having a Proactive Patch Plan is the way to Go!

    - by user793553
    BUILDING A SUCCESSFUL PATCHING STRATEGY Make Patching Easy! Having a Patching Strategy for your E-Business Suite system is a great way to manage your system downtime, identify the proper resources needed to perform the necessary task and familiarizing yourself with the Patching Tools in EBS. Having a Proactive Patch Plan is the way to Go! Proactive Patching is a preventive measure allowing you to have a complete patching strategy when applying patches periodically. Oracle provides several tools to help you get started to set the foundation for a solid and proactive patching strategy in Note 313.1 - "Patching & Maintenance Advisor: E-Business Suite 11i and R12". It details all the steps and tooling available for the patching strategy along with the benefits. Among other things it covers the following: How to plan ahead for system downtime Patching Tools in E-Business Suite (Autopatch, OUI, OPatch) How to Identify Patches (RUPs, EBS Family Packs, Critical Patch Updates, etc) How to properly test your patching plan and move to Production Make sure you visit the New E-Business Patching Community! We encourage you to access the "E-Business Patching Community" prior to applying an E-Business Suite patch. Doing so will allow you to explore perspectives shared by industry peers, get real-world experiences with the patch, and benefit from known solutions and lessons learned. Additionally, Oracle Support engineers monitor discussion topics to help provide guidance and solutions for your E-Business Suite patching needs. This is a valuable opportunity to "Get Proactive" with the patching and maintenance of your E-Business Suite environment. Start now, and find fast, proactive resolutions before you begin. Related Articles: What's the Best Way to Patch an E-Business Suite Environment? Patch Wizard Utility

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  • Java Magazine: Java at Sea!

    - by Tori Wieldt
    The September/October issue of Java Magazine is now out, with several great Java stories, including: Java At Sea? Liquid Robotics charts a new course with expert help from Java pioneer James Gosling.?  ?Duke’s Choice AwardsMeet this year’s winners! (The awards will be presented at the JavaOne Sunday night reception at the Taylor Street Cafe.)Looking Ahead to Project LambdaJava Language Architect Brian Goetz on the importance of lambda expressions.JCP Q&A: Ben EvansThe London JUG representative talks about the JCP and the Java community.Java EE Connector Architecture 1.6Adam Bien on deep integration with connector services in a lean way.DataFX: Populate JavaFX Controls with Real-World DataTools to retrieve, parse, and render data in a variety of JavaFX controls. Fix ThisStephen Chin challenges your JavaFX skills. Java Magazine is a bi-monthly online publication. It includes technical articles on the Java language and platform; Java innovations and innovators; JUG and JCP news; Java events; links to online Java communities; and videos and multimedia demos. Subscriptions are free.

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  • How to promote an open-source project?

    - by Shehi
    First of all, I apologize if this is the wrong section of network to post this question. If it is, please feel free to move it to more appropriate location... Question: I would like to hear your ideas regarding the ways of open source projects being started and run. I have an open-source content management system project and here some questions arise: How should I act? Shall I come up with a viable pre-alpha edition with working front- and back-ends first and then announce the project publicly? Or shall I announce it right away from the scratch? As a developer I know that one should use versioning system like Git or SVN, which I do, no problems there. And the merit of unit-testing is also something to remember, which, to be frank, I am not into at all... Project management - I am a beginner in that, at best. Coding techniques and experiences such as Agile development is something I want to explore... In short, any ideas for a developer who is new to open-source world, is most welcome.

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  • Is it better to specialize in a single field I like, or expand into other fields to broaden my horizons?

    - by Oak
    This is a dilemma about which I have been thinking for quite a while. I'm a graduate student and my topics of interest are programming language design, code analysis, compilation, etc. So far, this field has been very interesting and rewarding for me, so I was thinking about finding a job in that field and continuing to specialize in it. I feel like it's a relatively solid field which won't "get out of style" anytime soon. I've always thought that in such complex fields it's better to be a real expert than just another guy who superficially understand what the experts are talking about. On the other hand, I feel that by specializing this way I really limit my future option. I have always been a strong believer in multidisciplinary approaches to problems. Maybe I should go search for a general programming job in which I could gain experience in other fields, as well as occasionally apply my favorite field for solving problems. Specializing in only one or two fields can prevent me from thinking outside the box and cause stagnation. I would really like to hear more opinions about this choice. The truth is I'm already leaning towards one of the choices, so basic psychology says nothing will change my mind, but I would still love to hear some feedback.

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  • Changing domain name - what are the practical steps involved

    - by Homunculus Reticulli
    I launched a website a couple of years ago, bright eyed and bushy tailed, with dreams of conquering the world. Unfortunately it wasn't to be. Now, that I am a bit older and wiser, I have spent some money on branding and creating more quality content etc, I am rebranding and relaunching the site with a new domain name. Although the traffic on the old site is laughable (i.e. non-existent), there are a few pages of good information on there and I don't want to lose any "juice" those pages may have gained because web crawlers have been seeing it for a few years now. Ok, the upshot of all that is this: I want to change my domain name from xyz.com to abc.com. I am maintaining the same friendly urls I had before, only the domanin name part of the url will change, so that any traffic coming to the old page will be forwarded/redirected? to the new page seamlessly. How do I go about achieving this (i.e. what are the steps I need to carry out, and to minimize any "disruption" to any credibility the existing site has with Googlebot etc? I am running Apache 2.x on a headless Linux (Ubuntu) server.

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  • Subdomain redirect to WWW

    - by manix
    I have the domain example.com and the test.example.com running on apache server. For some reason when I try to visit test.example it is redirected to www.test.example and by consequence a Server not found error is displayed in the browser. Both .htaccess (root and subdomain folder) files are empty. Additional facts I have another subdomain xyz.example.com pointed to public_html/xyz directory with some content inside (index.html with "hello world message") and it works fine if I use xyz.example.com instead of www.xyz.example.com. So, can you help me to point to the right direction in order. I have a vps and I am able to change any file if is required. Below you can find my virtual host configuration. <VirtualHost xx.xxx.xxx:80> ServerName test.example.com ServerAlias www.test.example.com DocumentRoot /home/example/public_html/test ServerAdmin [email protected] UseCanonicalName Off CustomLog /usr/local/apache/domlogs/test.example.com combined CustomLog /usr/local/apache/domlogs/test.example.com-bytes_log "%{%s}t %I .\n%{%s}t %O ." ScriptAlias /cgi-bin/ /home/example/public_html/test/cgi-bin/ # To customize this VirtualHost use an include file at the following location # Include "/usr/local/apache/conf/userdata/std/2/example/test.example.com/*.conf" </VirtualHost>

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  • OpenWorld 2011 Video Index

    - by Chris Kawalek
    We did quite a few virtualization videos this year at Oracle OpenWorld 2011. You can find all these and more on our YouTube channel. Virtualization Wrapup Adam Hawley discusses the Oracle virtualization presence at Oracle OpenWorld 2011. http://www.youtube.com/oraclevirtualization#p/f/2/53_SQYljqN4 Oracle Applications on iPad Brad Lackey shows how you can access Oracle Applications on iPad. http://www.youtube.com/oraclevirtualization#p/f/9/3Ug5km3uxEQ Thinkquest.org and Oracle VM Dan Herrup describes how Thinkquest.org is using Oracle VM to help kids learn how to solve real world problems with computer technology. http://www.youtube.com/oraclevirtualization#p/f/6/Bw-km5kqzEo Avaya and Oracle Virtualization See Oracle desktop virtualization in action at Avaya's booth. http://www.youtube.com/oraclevirtualization#p/f/4/xIHRIijEPkM Eco-Features of Sun Ray Clients Michael Dann shows off the Sun Ray 3 Plus and talks about the eco benefits of Oracle's extremely low power consumption client device for desktop virtualization. http://www.youtube.com/oraclevirtualization#p/f/3/ulArHGe1OmM Application and Desktop Access with Oracle Secure Global Desktop Watch Jeff Harvey do a quick demo of Oracle Secure Global Desktop accessing Oracle Applications. http://www.youtube.com/oraclevirtualization#p/f/5/g_ikA7dwh0g Oracle VM VirtualBox for VDI Andy Hall describes how enterprises leverage Oracle VM VirtualBox as part of their VDI deployments. http://www.youtube.com/oraclevirtualization#p/f/8/WmkeYlzgnZ8 TechCast Live: The Coolest Virtualization Products Interview with Andy Hall about the desktop virtualization portfolio. http://www.youtube.com/oraclevirtualization#p/f/7/VMkrAhZ83AA

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  • ArchBeat Link-o-Rama for October 24, 2013

    - by OTN ArchBeat
    Video: How To Embed Custom Content Into Fusion Applications Watch this video tutorial from the Fusion Applications Developer Relations YouTube Channel to learn how to embed reports, charts, twitter streams, web pages, news feeds, and other custom content into Fusion Applications. Oracle GoldenGate 12c - New Release, New Features | Michael Rainey Rittman Mead's Michael Rainey takes you on guided tour through the GoldenGate 12c features that "are relevant to data warehouse and data migration work we typically see in the business intelligence world." Reproducing WebLogic Stuck Threads with ADF CreateInsert Operation and ORDER BY Clause | Andrejus Baranovskis Another post from Oracle ACE Director Andrejus Baranovsikis on dealing with WebLogic Stuck Threads. This one includes a test case application you can download. Oracle WebLogic 12.1.2 Installation in VirtualBox with 0 MHz | Dr. Frank Munz Oracle ACE Director Frank Munz shares the results of some detective work to discover the cause of a strange problem in an Oracle WebLogic installation. The Impact of SaaS - The Times They Are A-Changin' | Floyd Teter Oracle ACE Director Floyd Teter shares some truly interesting insight gained in conversations with three Fortune 500 CIOs. Thought for the Day "All the mistakes I ever made were when I wanted to say 'No' and said 'Yes'." — Moss Hart, playwright, screenwriter (October 24, 1904 – December 20, 1961) Source: brainyquote.com

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  • Moviebarcodes Showcases Entire Movies as Frame-based Barcodes

    - by Jason Fitzpatrick
    If you’ve ever wanted a chance to look at at an entire movie in a single glance, here’s your chance. Moviebarcodes shares mock-barcodes generated by turning each frame of a movie into a thin stripe, offering a glimpse into the color choices and shot lengths in popular movies. The barcode seen above was generated from The Matrix; you can see where the green indicates scenes that were shot inside the matrix and thus given a subtle green tint. In the barcode below, generated from the movie Pleasantville you can see the transition in the movie between the color and black and white scenes. In the case of Pleasantville, elements of the black and white world turning to color represent pivotal moments in the plot development which are now neatly mapped out below: Check out the hundreds of barcodes at the link below; you can even order prints of your favorite movies. Find a great rendering in the mix? Share a link in the comments below. Moviebarcodes [via Cool Inforgraphics] How to Create an Easy Pixel Art Avatar in Photoshop or GIMPInternet Explorer 9 Released: Here’s What You Need To KnowHTG Explains: How Does Email Work?

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  • BLOG Resurrection

    - by Maryanne Sweat
    Dear Netizens, I apologize for my long absense...its amazing how time just slips through your fingers when you don't have anything to say...and are so busy personally and professionally that all of a sudden its over a year and you've not touched your blog...   Plus the immediacy of that 140 character twitter feed makes it so that my blog stuff becomes tid bits of life..instead of a narrative. When did that happen? When did we become a society of 140 character tid bits instead of emails or narative blocks. Are we so keyed into micro-commentary these days that we don't have conversations anymore?  When did posts on Twitter become news on CNN? But anyway, Netizens I'd like to come back to this narrative..I have some interesting professional developments to share with the world too. So--I hope this continues, and I post more along the way.  I can't promise that though, I'm a terrible procrastinator...so who knows. But I'll try..so stick around..maybe I'll have some more profound things to say then complaints about traffic on my commute etc.

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  • The November OBIEE 11.1.1.6.6 Bundle Patch has been released

    - by inowodwo
    The November Oracle Business Intelligence Enterprise Edition - OBIEE 11.1.1.6.6 Bundle Patch is now available for download from My Oracle Support For OBIEE on 11.1.1.6.0, the plan is to run a monthly bundle patch 11.1.1.6.6 bundle patch includes 67 bug fixes. 11.1.1.6.6 bundle patch is cumulative, so it includes everything in 11.1.1.6.1, 11.1.1.6.2, 11.1.1.6.2BP1, 11.1.1.6.4 and 11.1.1.6.5. Please note that this release is only recommended for BI customers i.e. not customers on Fusion Apps Bundled Patch Details (1 of 7) Oracle Business Intelligence Installer. (patch number 15844023) (2 of 7) Oracle Real Time Decisions. (patch number 15844066) (3 of 7) Oracle Business Intelligence Publisher (patch number 14800665) (4 of 7) Oracle Business Intelligence ADF Components. (patch number 15843961) (5 of 7) Enterprise Performance Management Components Installed from BI Installer 11.1.1.6.x (patch number 15844096) (6 of 7) Oracle Business Intelligence (patch number 14791926) (7 of 7) Oracle Business Intelligence Platform Client Installers and MapViewer (patch number 15839347) 11.1.1.6.6 bundle patch is available for the supported platforms : Microsoft Windows (32-bit) Linux x86 (32-bit) Microsoft Windows x64 (64-bit) Linux x86-64 (64-bit) Oracle Solaris on SPARC (64-bit) Oracle Solaris on x86-64 (64-bit) IBM AIX PPC (64-bit) HPUX- IA (64-bit)

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  • Estimate angle to launch missile, maths question

    - by Jonathan
    I've been working on this for an hour or two now and my maths really isn't my strong suit which is definitely not a good thing for a game programmer but that shouldn't stop me enjoying a hobby surely? After a few failed attempts I was hoping someone else out there could help so here's the situation. I'm trying to implement a bit of faked intelligence when the A.I fires it's missiles at a target in a 2D game world. By predicting the likely position the target will be in given it's current velocity and the time it will take the missile to reach it's target. I created an image to demonstrate my thinking: http://i.imgur.com/SFmU3.png which also contains the logic I use for accelerating the missile after launch. The ship that fires the missile can fire within a total of 40 degree angle, 20 either side of itself, but this could likely become variable. My current attempt was to break the space between the two lines into segments which match the targets width. Then calculate the time it would take the missile to get to that location using the formula. So for each iteration of this we total up the values and that tells us the distance travelled, ad it would then just need compared to distance to the segment. startVelocity * ((startVelocity * acceleration)^(currentframe-1) So for example. If we start at a velocity of 1f/frame with an acceleration of 0.1f the formula, at frame 4, would be 1 * (1.1^3) = 1.331 But I quickly realized I was getting lost when trying to put this into practice. Does this seem like a correct starting point or am I going completely the wrong way about it? Any pointers would help me greatly. Maths really isn't my strong suit so I get easily lost in these matters and don't even really know a good phrase to search for with this. So I guess in summary my question is more about the correct way to approach this problem and any additional code samples on top of that would be great but I'm not averse to working out the complete code from helpful pointers.

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  • How to determine if a 3D voxel-based room is sealed, efficiently

    - by NigelMan1010
    I've been having some issues with efficiently determining if large rooms are sealed in a voxel-based 3D rooms. I'm at a point where I have tried my hardest to solve the problem without asking for help, but not tried enough to give up, so I'm asking for help. To clarify, sealed being that there are no holes in the room. There are oxygen sealers, which check if the room is sealed, and seal depending on the oxygen input level. Right now, this is how I'm doing it: Starting at the block above the sealer tile (the vent is on the sealer's top face), recursively loop through in all 6 adjacent directions If the adjacent tile is a full, non-vacuum tile, continue through the loop If the adjacent tile is not full, or is a vacuum tile, check if it's adjacent blocks are, recursively. Each time a tile is checked, decrement a counter If the count hits zero, if the last block is adjacent to a vacuum tile, return that the area is unsealed If the count hits zero and the last block is not a vacuum tile, or the recursive loop ends (no vacuum tiles left) before the counter is zero, the area is sealed If the area is not sealed, run the loop again with some changes: Checking adjacent blocks for "breathable air" tile instead of a vacuum tile Instead of using a decrementing counter, continue until no adjacent "breathable air" tiles are found. Once loop is finished, set each checked block to a vacuum tile. Here's the code I'm using: http://pastebin.com/NimyKncC The problem: I'm running this check every 3 seconds, sometimes a sealer will have to loop through hundreds of blocks, and a large world with many oxygen sealers, these multiple recursive loops every few seconds can be very hard on the CPU. I was wondering if anyone with more experience with optimization can give me a hand, or at least point me in the right direction. Thanks a bunch.

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  • Extremely simple online multiplayer game

    - by Postscripter
    I am considering creating a simple multiplayer game, which focuses on physics and can accommodate up to 30 players per session. Very simple graphics, but smart physics (pushing, weight and gravity, balance) is required. After some research I found a good java script (framework ??) called box2d.js I found the demo to be excellent. this is is kind of physics am looking for in my game. Now, what other frameworks will I need? Node.js?? Prototype.js?? (btw, I found the latest versoin of protoype.js to be released in 2010...?? is this still supported? Should I avoid using it?) What bout HTML 5 and Canvas? would I need them? websockets? Am a beginner in web programming + game programming world. but I will learn fast, am computer science graduate. (but no much web expeience but know essentionals javascript, html, css..). I just need a guiding path to build my game. Thanks

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  • Is there a cheaper non-express non-student, non-msdn version of Visual Studio 2010 that supports plugins in the US than the $710 Professional Edition?

    - by Justin Dearing
    I've never actually purchased a copy of Visual Studio myself. SharpDevelop and Express edition have always been good enough for my personal use, and my employers always furnished me with the IDEs I needed to serve them. However, I'm thinking of actually paying for a copy for my personal laptop. I need this mainly so I can open solutions that contain web projects. So my question is: Is there an edition cheaper than the $710 Pro edition on Amazon that will do what I need: http://www.amazon.com/Microsoft-C5E-00521-Visual-Studio-Professional/dp/B0038KTO8S/ref=sr_1_2?ie=UTF8&qid=1287456230&sr=8-2 ? What I need is defined as: Open up a solution with C#, Web App, VB.NET, and Web Projects. Install addins like resharper, testdriven.net, etc, SCM plugins, etc. Some level of db project support. At least to be able to open a dbproj. I only need that for SCM hooks. SSMS and SQLCMD are good enough for actually editing databases. Ability to install F#, IronPython, IronRuby etc. Now naturally I'm a fairly intelligent resourceful person so I realize I can get Visual Studio in a questionable manner. Thats not what I'm looking to do. I want a legal copy, I don't want a student copy, or an MSDN copy. I want a real copy, I just want to make sure I get the cheapest edition that serves my needs.

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  • Threading models when talking to hardware devices

    - by Fuzz
    When writing an interface to hardware over a communication bus, communications timing can sometimes be critical to the operation of a device. As such, it is common for developers to spin up new threads to handle communications. It can also be a terrible idea to have a whole bunch of threads in your system, an in the case that you have multiple hardware devices you may have many many threads that are out of control of the main application. Certainly it can be common to have two threads per device, one for reading and one for writing. I am trying to determine the pros and cons of the two different models I can think of, and would love the help of the Programmers community. Each device instance gets handles it's own threads (or shares a thread for a communication device). A thread may exist for writing, and one for reading. Requested writes to a device from the API are buffered and worked on by the writer thread. The read thread exists in the case of blocking communications, and uses call backs to pass read data to the application. Timing of communications can be handled by the communications thread. Devices aren't given their own threads. Instead read and write requests are queued/buffered. The application then calls a "DoWork" function on the interface and allows all read and writes to take place and fire their callbacks. Timing is handled by the application, and the driver can request to be called at a given specific frequency. Pros for Item 1 include finer grain control of timing at the communication level at the expense of having control of whats going on at the higher level application level (which for a real time system, can be terrible). Pros for Item 2 include better control over the timing of the entire system for the application, at the expense of allowing each driver to handle it's own business. If anyone has experience with these scenarios, I'd love to hear some ideas on the approaches used.

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  • Where I'll Be At JavaOne 2012

    - by Geertjan
    Fun and games for me at JavaOne 2012. Below are the sessions/BOFs/tutorials I'll be attending. The items in red are the sessions and BOFs where I'll be speaking, either as the main/only speaker or as a supporting speaker in someone else's presentation, while the other items (except for the NetBeans booth duties and mini presentations, which are included below) are items I'm interested in and so will be sitting in the audience: Sunday: NetBeans Day Monday: 10:00 - 12:00 TUT4801: Make Your Clients Richer: JavaFX and the NetBeans Platform 12:20 - 12:30 Mini Presentation in OTN Lounge: What's New in NetBeans IDE? 13:00 - 14:00 CON7050: How My Life Would Have Been So Much Better If We Had Used the NetBeans Platform 14:30 - 14:40 Mini Presentation in OTN Lounge: NetBeans and Java EE 15:00 - 16:00 CON4038: Project EASEL: Developing and Managing HTML5 in a Java World 16:30 - 17:15 BOF6151: NetBeans.Next: The Roadmap Ahead 17:30 - 18:15 BOF3332: Lessons Learned in Writing a PDF-to-JavaFX Converter for NetBeans 18:30 - 19:15 BOF4920: Runtime Class Reloading for Dummies Tuesday: 9:30 - 11:30 NetBeans Booth 11:30 - 12:30 CON6139: Lessons Learned in Building Enterprise and Desktop Applications with the NetBeans IDE 13:00 - 14:00 CON4387: Bringing Mylyn to NetBeans and OSGi, Bridging Their Worlds 14:30 - 14:40 Mini Presentation in OTN Lounge: NetBeans Java Editor 15:30 - 17:30 NetBeans Booth 17:30 - 18:15 BOF3665: Custom Static Code Analysis 18:30 - 19:15 BOF5806: Doing JSF Development in the NetBeans IDE  Wednesday: 8:30 - 9:30 CON5132: NetBeans Plug-in Development: JRebel Experience Report 10:00 - 11:00 CON2987: Unlocking the Java EE 6 Platform 11:30 - 12:30 CON10140: Delivering Bug-Free, More Efficient Code for the Java Platform 13:00 - 14:00 CON3826: Patterns for Modularity: What Modules Don’t Want You to Know 14:30 - 14:40 Mini Presentation in OTN Lounge: NetBeans Platform 15:00 - 16:00 CON3160: Dynamic Class Reloading in the Wild with Javeleon Thursday: 12:30 - 13:30 CON4952: NetBeans Platform Panel Discussion 14:00 - 15:00 CON11879: Getting Started with the NetBeans Platform There are several sessions/BOFs I would have liked to be able to attend, but because of clashes with other sessions that I need to see slightly more urgently, I won't be able to attend those, unfortunately. Will be a busy but interesting time, as always! The entire list of NetBeans-oriented sessions can be found here: http://netbeans.org/community/articles/javaone/2012/index.html

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  • Sample domain model for online store

    - by Carel
    We are a group of 4 software development students currently studying at the Cape Peninsula University of Technology. Currently, we are tasked with developing a web application that functions as a online store. We decided to do the back-end in Java while making use of Google Guice for persistence(which is mostly irrelevant for my question). The general idea so far to use PHP to create the website. We decided that we would like to try, after handing in the project, and register a business to actually implement the website. The problem we have been experiencing is with the domain model. These are mostly small issues, however they are starting to impact the schedule of our project. Since we are all young IT students, we have virtually no experience in the business world. As such, we spend quite a significant amount of time planning the domain model in the first place. Now, some of the issues we're picking up is say the reference between the Customer entity and the order entity. Currently, we don't have the customer id in the order entity and we have a list of order entities in the customer entity. Lately, I have wondered if the persistence mechanism will put the client id physically in the order table, even if it's not in the entity? So, I started wondering, if you load a customer object, it will search the entire order table for orders with the customer's id. Now, say you have 10 000 customers and 500 000 orders, won't this take an extremely long time? There are also some business processes that I'm not completely clear on. Finally, my question is: does anyone know of a sample domain model out there that is similar to what we're trying to achieve that will be safe to look at as a reference? I don't want to be accused of stealing anybody's intellectual property, especially since we might implement this as a business.

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  • TechEd North America 2012–Day 3 #msTechEd #teched

    - by Marco Russo (SQLBI)
    Yesterday I spent the longest day at this TechEd: we talked with many people at Community Night until 9pm and I have to say that just a few months after Analysis Services 2012 has been released, there are many people already using it. And the adoption of PowerPivot is starting to be quite large. Many new ideas and challenging coming from several different real world scenarios. I was tired but really happy. Alberto presented his Many-to-Many Relationships in BISM Tabular session that was in the same time slot of the BI Power Hour. For this reason, very few people attended Alberto’s session so I think many will watch the recorded session (it should be available within a few days). So what about today? I’ll spend some time at Technical Learning Center area (full schedule here) but the most important event today will be the Querying multi-billion rows with many to many relationships in SSAS Tabular (xVelocity) at the Private Cloud, Public Cloud and Data Platform Theater in the Technical Learning Center area (next to the SQL Server 2012 zone).  Why you should attend? Mainly because you will see live demo over 4 billion rows table with many-to-many relationships involved in complex queries. But for those of you that think this is not enough to attend a 15 minute funny session, well, we’ll give away some 8GB USB Memory Keys to those of you that will guess exact response time of queries before execution. Convinced? Join us at 11:15am and don’t be late, the session will finish at 11:30am! After that, we’ll run a book signing session at the Bookstore at 12:30pm and I will be in the Technical Learning Center area at 3:00pm until 5:00pm. See you there!

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  • How bad would be to focus on iOS/Android development for an indie developer?

    - by kender
    After some time developing games for others I'm thinking of moving towards my own productions. My background is 10+ years of software development, with last 2 years spent on the iOS development (Objective-C and CoronaSDK). With my current experience in Corona I can quickly develop for iOS and Android systems. And this is something that I'm probably gonna do with several of the game ideas I have, at least for the prototype part. But - I'm wondering if it's not a bad idea to focus on those 2 systems only. After all there are other mobile platforms, there are PCs, Macs and Linux boxes... All of them having gamers using them. I was wondering if it wasn't a good idea to try some other SDK, giving me more flexibility when it comes to platform-independance. There's Unity3D (I think I can develop a 2D game in it though), there's MoAI from what I checked. I see a few options, not sure which one is best as I have little experience in this field (publishing own games): Stick with CoronaSDK for the whole time, release for iOS and Android platforms, screw other mobile devices and PCs, Use Corona for prototyping, then when the idea goes more into the "production" phase rewrite it in MoAI or Unity3D for more platforms support, Start with one of those 2 SDKs right now (which means the prototype phase will be delayed a bit, but after that I can jump right into real coding). Any clues here, what to do?

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  • Possible to draw a select portion of a render target? (in XNA)

    - by TheBroodian
    I'm going to try to do this in reverse fashion and skip straight to the punch line, and then give the back story afterward: Is it possible to, after drawing a scene to a RenderTarget2D, only draw a select portion of the RenderTarget2D, if I don't want the entire thing? I'm using xTile to manage world data in my game (it's a great piece of work, colinvella [xTile's author] has made an amazing product), and for the most part it works great. xTile supports parallax effects in its layers to add some wonderful depth to 2d scenes, which was great, until I implemented a dynamic split-screen system into my game. Wanted to make a co-op game that wouldn't require players to be in close proximity to each other, so I made it so that if the players separate too far apart, the singular full-screen viewport 'snaps-apart', and is replaced by two split-screen viewports, which then smoothly transition to their respective player targets. The effect is pretty smooth aside from the part where the parallax backgrounds become skewed once the viewports split, because xTile's ratio for handling parallax effects is dependent upon viewport size. This is unfortunate, because the effect would otherwise be really snazzy, but the backgrounds become pretty heavily affected when the game goes from single-viewport to multi-viewport. So, Colinvella suggests using rendertargets to record the scene at full viewport size, and then only drawing a portion of it. But as far as I can tell, that isn't even possible? That being said, I've never even used render targets before, so I'm still learning, hence the question here.

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  • Designs for outputting to a spreadsheet

    - by Austin Moore
    I'm working on a project where we are tasked to gather and output various data to a spreadsheet. We are having tons of problems with the file that holds the code to write the spreadsheet. The cell that the data belongs to is hardcoded, so anytime you need to add anything to the middle of the spreadsheet, you have to increment the location for all the fields after that in the code. There are random blank rows, to add padding between sections, and subsections within the sections, so there's no real pattern that we can replicate. Essentially, anytime we have to add or change anything to the spreadsheet it requires a many long and tedious hours. The code is all in this one large file, hacked together overtime in Perl. I've come up with a few OO solutions, but I'm not too familiar with OO programming in Perl and all my attempts at it haven't been great, so I've shied away from it so far. I've suggested we handle this section of the program with a more OO friendly language, but we can't apparently. I've also suggested that we scrap the entire spreadsheet idea, and just move to a webpage, but we can't do that either. We've been working on this project for a few months, and every time we have to change that file, we all dread it. I'm thinking it's time to start some refactoring. However, I don't even know what could make this file easier to work with. The way the output is formatted makes it so that it has to be somewhat hardcoded. I'm wondering if anyone has insight on any design patterns or techniques they have used to tackle a similar problem. I'm open to any ideas. Perl specific answers are welcome, but I am also interested in language-agnostic solutions.

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  • Is a Mission Oriented Architecture (MOA) a better way to describe things than SOA?

    - by Brian Langbecker
    I might sound like a troll, but I would like to seriously understand this deeper. The place I work at has started to use the term MOA, versus SOA as we believe it drives more clarity and want to compare it to the true goals of SOA. A Mission Oriented Architecture is an approach whereby an application is broken down into various business mission elements, with the database, file assets, batch and real time functionality all tightly coupled in terms of delivering that piece of the functionality. The mission allows the developers to focus on a specific piece of functionality to get it right, and to build it with the ability for that piece to scale as an independent entity within the overall application. By tightly coupling the data, file assets and business logic you achieve the goals of working on a very large problem in bite size pieces. Some definitions of SOA mix it up with what is essentially a method call on a web service versus a true "service". As an architect, I have always found it fun getting everyone on the same page regarding SOA. Is it better to call it a "mission" versus a "service"?

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  • Ubuntu installed along side Win 8 but not shown in boot

    - by Mahesha999
    Actually the question says it all, but let me tell you what I did, so u may find exactly what might have went wrong: I have Win 8 installed on 500 GB HDD. SO I shrunk it four times for: partition 1 - the original partition containing Win 8 sys (118GB) partition 2 - NTFS formatted for my data (188GB) partition 3 - NTFS formatted for my data (100GB) partition 4 - NTFS formatted for Linux distro 1 (I reformatted it to ext4 during Ubuntu installation) (25GB) partition 5 - NTFS formatted for Linux distro 1 (21GB) So now I booted Ubuntu from USB (created from ubuntu-12.04-desktop-amd64.iso) and deleted last two partitions 4 and 5 to create: partition 1 - ext4 where I installed Ubuntu (25GB) partition 2 - Swap (4GB) partition 3 - unallocated space, not formatted yet (17GB) Ubuntu installation said it installed successfully and that I have to restart to boot in Ubuntu. But when I restart Windows 8 auto booted - there was no dual boot. After that I devided above 100GB partition to 80Gb and 20GB ones (since I read online that I should have /home in separate partition for convenience, so I created 20GB partition for it) So I went on to manually create boot entry using EasyBCD as below show in picture at below link http://s19.postimage.org/dof2zuvw3/Free_BCD.png When I created the entry, FreeBCD showed the information as follows: Windows Boot Manager -------------------- identifier {9dea862c-5cdd-4e70-acc1-f32b344d4795} device partition=\Device\HarddiskVolume2 description Windows Boot Manager locale en-US inherit {7ea2e1ac-2e61-4728-aaa3-896d9d0a9f0e} integrityservices Enable default {ea8167ad-d189-11e1-90e4-ab2f09569dcc} resumeobject {ea8167a3-d189-11e1-90e4-ab2f09569dcc} displayorder {ea8167ad-d189-11e1-90e4-ab2f09569dcc} {ea8167b1-d189-11e1-90e4-ab2f09569dcc} toolsdisplayorder {b2721d73-1db4-4c62-bf78-c548a880142d} timeout 10 displaybootmenu Yes Windows Boot Loader ------------------- identifier {ea8167ad-d189-11e1-90e4-ab2f09569dcc} device partition=C: path \Windows\system32\winload.exe description Windows 8 locale en-US osdevice partition=C: systemroot \Windows resumeobject {9bc7fdf7-3ae0-11e2-be77-806e6f6e6963} Real-mode Boot Sector --------------------- identifier {ea8167b1-d189-11e1-90e4-ab2f09569dcc} device partition=C: path \NST\AutoNeoGrub0.mbr description Ubuntu Notice the last bolded entry created. Howevever after thet, when I rebooted it firstly showed old DOS like bootloader (no Windows 8 UI based bootloader) with two entries Windows and Ubuntu. Windows 8 was booting correctly but I was getting an error while booting Ubuntu taking me to GRUB Rescue. Please help am new to Linux world.

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  • backface culling error

    - by acrilige
    I write simple software renderer. In my pipeline i have stage of backface culling. But looks like it has some error (see picture). I perform culling right after world transformation. (i can't insert picture in post coz i don't have enough points, so i just upload it (cube model): http://imageshack.us/photo/my-images/705/bcerror.png/) Vector3F view_dir(0.0f, 0.0f, 1.0f); std::vector<Triangle> to_remove; for (Triangle &t : m_triangles) { Vector4F e1 = t.v2 - t.v1; Vector4F e2 = t.v3 - t.v1; Vector3F normal( e1.y * e2.z - e1.z * e2.y, e1.z * e2.x - e1.x * e2.z, e1.x * e2.y - e1.y * e2.x ); normal.Normalize(); float dot = Dot(view_dir, normal); if (dot <= 0) to_remove.push_back(t); } for (Triangle& t : to_remove) m_triangles.erase(std::remove(m_triangles.begin(), m_triangles.end(), t), m_triangles.end()); Camera sits in origin and points in screen (RH). What is the reason?

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