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  • When should a bullet texture be loaded in XNA?

    - by Bill
    I'm making a SpaceWar!-esque game using XNA. I want to limit my ships to 5 active bullets at any time. I have a Bullet DrawableGameComponent and a Ship DrawableGameComponent. My Ship has an array of 5 Bullet. What is the best way to manage the Bullet textures? Specifically, when should I be calling LoadTexture? Right now, my solution is to populate the Bullet array in the Ship's constructor, with LoadTexture being called in the Bullet constructor. The Bullet objects will be disabled/not visible except when they are active. Does the texture really need to be loaded once for each individual instance of the bullet object? This seems like a very processor-intensive operation. Note: This is a small-scale project, so I'm OK with not implementing a huge texture-management framework since there won't be more than half a dozen or so in the entire game. I'd still like to hear about scalable solutions for future applications, though.

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  • The Oracle Graduate Experience...A Graduates Perspective by Angelie Tierney

    - by david.talamelli
    [Note: Angelie has just recently joined Oracle in Australia in our 2011 Graduate Program. Last week I shared my thoughts on our 2011 Graduate Program, this week Angelie took some time to share her thoughts of our Graduate Program. The notes below are Angelie's overview from her experience with us starting with our first contact last year - David Talamelli] How does the 1 year program work? It consists of 3 weeks of training, followed by 2 rotations in 2 different Lines of Business (LoB's). The first rotation goes for 4 months, while your 2nd rotation goes for 7, when you are placed into your final LoB for the program. The interview process: After sorting through the many advertised graduate jobs, submitting so many resumes and studying at the same time, it can all be pretty stressful. Then there is the interview process. David called me on a Sunday afternoon and I spoke to him for about 30 minutes in a mini sort of phone interview. I was worried that working at Oracle would require extensive technical experience, but David stressed that even the less technical, and more business-minded person could, and did, work at Oracle. I was then asked if I would like to attend a group interview in the next weeks, to which I said of course! The first interview was a day long, consisting of a brief introduction, a group interview where we worked on a business plan with a group of other potential graduates and were marked by 3 Oracle employees, on our ability to work together and presentation. After lunch, we then had a short individual interview each, and that was the end of the first round. I received a call a few weeks later, and was asked to come into a second interview, at which I also jumped at the opportunity. This was an interview based purely on your individual abilities and would help to determine which Line of Business you would go to, should you land a graduate position. So how did I cope throughout the interview stages? I believe the best tool to prepare for the interview, was to research Oracle and its culture and to see if I thought I could fit into that. I personally found out about Oracle, its partners as well as competitors and along the way, even found out about their part (or Larry Ellison's specifically) in the Iron Man 2 movie. Armed with some Oracle information and lots of enthusiasm, I approached the Oracle Graduate Interview process. Why did I apply for an Oracle graduate position? I studied a Bachelor of Business/Bachelor of Science in IT, and wanted to be able to use both my degrees, while have the ability to work internationally in the future. Coming straight from university, I wasn't sure exactly what I wanted to do in terms of my career. With the program, you are rotated across various lines of business, to not only expose you to different parts of the business, but to also help you to figure out what you want to achieve out of your career. As a result, I thought Oracle was the perfect fit. So what can an Oracle ANZ Graduate expect? First things first, you can expect to line up for your visitor pass. Really. Next you enter a room full of unknown faces, graduates just like you, and then you realise you're in this with 18 other people, going through the same thing as you. 3 weeks later you leave with many memories, colleagues you can call your friends, and a video of your presentation. Vanessa, the Graduate Manager, will also take lots of photos and keep you (well) fed. Well that's not all you leave with, you are also equipped with a wealth of knowledge and contacts within Oracle, both that will help you throughout your career there. What training is involved? We started our Oracle experience with 3 weeks of training, consisting of employee orientation, extensive product training, presentations on the various lines of business (LoB's), followed by sales and presentation training. While there was potential for an information overload, maybe even death by Powerpoint, we were able to have access to the presentations for future reference, which was very helpful. This period also allowed us to start networking, not only with the graduates, but with the managers who presented to us, as well as through the monthly chinwag, HR celebrations and even with the sharing of tea facilities. We also had a team bonding day when we recorded a "commercial" within groups, and learned how to play an Irish drum. Overall, the training period helped us to learn about Oracle, as well as ourselves, and to prepare us for our transition into our rotations. Where to now? I'm now into my 2nd week of my first graduate rotation. It has been exciting to finally get out into the work environment and utilise that knowledge we gained from training. My manager has been a great mentor, extremely knowledgeable, and it has been good being able to participate in meetings, conference calls and make a contribution towards the business. And while we aren't necessarily working directly with the other graduates, they are still reachable via email, Pidgin and lunch and they are important as a resource and support, after all, they are going through a similar experience to you. While it is only the beginning, there is a lot more to learn and a lot more to experience along the way, especially because, as we learned during training, at Oracle, the only constant is change.

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  • Project planning and customer tracking system

    - by Daniel Hollands
    First off, sorry if this is the wrong 'stack' site, but it seemed like a good place to start. I'm happy to report that my services as a web developer are starting to be in quite a lot of demand, and I have a few existing and potentially new customers all lining up - but I'm finding it very hard to keep track of everything. What I'm hoping for is some (preferably web-based) system which I can use to keep track of who my customers are, the various projects that I've got going on for them, and (if possible) the individual sub-tasks that make up each project. What would be even better is if the relevant customer was able to log into the site, and see the process of their projects. I do hope you know what I'm talking about, and that you'll be able to offer some suggestions of either web-base sites that offer something along these lines, or of some open source solution or something like that? Thank you

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  • Oracle Linux 6.3 has been released

    - by Lenz Grimmer
    We're happy to announce the availability of Oracle Linux 6.3, the third update release for Oracle Linux 6. ISO images can now be obtained from the Oracle Software Delivery Cloud, the individual RPM packages have already been published from our public yum repository. This distribution now includes the Unbreakable Enterprise Kernel Release 2 (2.6.39-200), Oracle's recommended kernel version for Oracle Linux. For further details, please see the Oracle Linux 6.3 Release Notes. Remember, Oracle Linux can be downloaded, used and distributed free of charge, updates and errata are freely available. For support, you are free to decide for which of your systems you want to obtain a support subscription, and at which level each of  them should be supported. This makes Oracle Linux an ideal choice for both your development and production systems - you decide which support coverage is the best for each of your systems individually, while keeping all of them up-to-date and secure. Wim Coekaerts recently wrote several blog posts about the benefits of Oracle Linux, which are worth a read: Oracle Linux components More Oracle Linux options My own personal use of Oracle Linux

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  • List of bounding boxes?

    - by Christian Frantz
    When I create a bounding box for each object in my chunk, would it be better to store them in a list? List<BoundingBox> cubeBoundingBox Or can I just use a single variable? BoundingBox cubeBoundingBox The bounding boxes will be used for all types of things so they will be moving around. In any case, I'd be adding it to a method that gets called 2500+ times for each chunk, so either I have a giant list of them or 2500+ individual boxes. Is there any advantage to using one or the other?

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  • Best stats tool for cross-domain tracking

    - by kidbrax
    We build a webapp that allows users to run the app under their own subdomain. So we run the app under search.domainX.com, search.domainY.com and so on. They each have their own Google Analytics to track individual stats. But we want to know what general traffic for all clients of our app. So we want to know stuff like "among all our clients we had x number of views." What is the best way tool to track that sort of thing. We prefer a snippet based solution similar to Google Analytics if possible.

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  • PASS: Board Q&amp;A at the Summit

    - by Bill Graziano
    The last two years we’ve put the Board in front of the members and taken questions.  We’re going to do that again this year.  It will be in Room 307/308 from 12:15 to 1:30 on Friday. Yes, this time overlaps with the Birds of a Feather Lunch and the start of afternoon sessions – but only partially.  You can attend the Q&A and still get to parts of both of those.  There just isn’t a great time to do this.  Every time overlaps with something. We can’t do it after the last session on Friday.  We can’t fit it between the last session and the evening events on Wednesday or Thursday.  We had some discussion around breakfast time but I didn’t think that was realistic.  This is the least bad time we could come up with. Last year we had 60-70 people attend.  These are the items that were specific things that I could work on: The first question was whether to increase transparency around individual votes of Board members.  We approved this at the Board meeting the following day.  The only caveat was that if the Board is given confidential information as a basis for their vote then we may not be able to disclose individual votes.  Putting a Director in a position where they can’t publicly defend the reason for their vote is a difficult situation.  Thanks Kendal! Can we have a Board member discretionary fund?  As background, I took a couple of people to lunch so we could have a quiet place to talk.  I bought lunch but wasn’t able to expense it back to PASS.  We just don’t have a budget item for things like this.  I think we should.  I would guess the entire Board would like it also.  It was in an earlier version of the budget but came out as part of a cost-cutting move to balance the budget.  I’d like to see it added back in but we’ll have to see. I know there were a comments about the elections.  At this point we had created the Election Review Committee.  I’ve already written at length about this process. Where does IT work go?  PASS started to publish our internal management reports starting in December 2010.  You can find them on our Governance page.  These aren’t filtered at all and include a variety of information about IT projects.  The most recent update had roughly a page of updates related to IT.  Lots of the work was related to Summit and the Orator tool that we use to manage speaker submissions. There were numerous requests that Tina Turner not be repeated.  Done.  I don’t think we’ll do anything quite like that again.  We had a request for a payment plan for Summit.  We looked into this briefly but didn’t take any action.  We didn’t think the effort was worth the small number of people that would use it.  If you disagree, submit this on our Summit Feedback site and get some votes. There were lots of suggestions around the first-timers events – especially from first timers.  You can find all our current activities related to first-timers at the First Timers page on the Summit web site.  Plus links to 34 (!) blog posts on suggestions for first-timers.  And a big THANK YOU to Confio and Red Gate for sponsoring this. I hope you get the chance to attend.  These events are very helpful to me as a Board member.  I like being able to look around the room as comments are being made and see the audience reaction.  It helps me gauge the interest in an idea. I’d also like to direct you to the Summit Feedback site.  You can submit and vote on ideas to make the Summit a better experience.  As of right now we have the suggestions from last year still up.  We may reset these prior to the Summit though.

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  • Multiple Object Instantiation

    - by Ricky Baby
    I am trying to get my head around object oriented programming as it pertains to web development (more specifically PHP). I understand inheritance and abstraction etc, and know all the "buzz-words" like encapsulation and single purpose and why I should be doing all this. But my knowledge is falling short with actually creating objects that relate to the data I have in my database, creating a single object that a representative of a single entity makes sense, but what are the best practises when creating 100, 1,000 or 10,000 objects of the same type. for instance, when trying to display a list of the items, ideally I would like to be consistent with the objects I use, but where exactly should I run the query/get the data to populate the object(s) as running 10,000 queries seems wasteful. As an example, say I have a database of cats, and I want a list of all black cats, do I need to set up a FactoryObject which grabs the data needed for each cat from my database, then passes that data into each individual CatObject and returns the results in a array/object - or should I pass each CatObject it's identifier and let it populate itself in a separate query.

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  • How to get back Applications menu?

    - by Sophie Sperner
    I'm using 12.04, classic desktop without effects. Once the indicator-applet-complete (right part of the top panel) had disappeared. I found how to fix it with Alt-Win-RightMouseClick on the panel, then "Add to the Panel", where choose "Indicator Applet Complete" to add. Now, the left part of the top panel (Applications Menu) has disappeared! If I do Alt-Win-RightMouseClick on the panel, I can add only individual menu sections like Internet, Office, Settings etc. How to get back the full menu?

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  • Ways to earn money through Flash games

    - by Maged
    If you like developing flash games just for fun, why not make money through them? There are different ways you can monetize your flash game: In Game Ads: Some common examples: Mochi Ads gamejacket ad4game CPMStar InviziAds You can make money by helping online gaming companies test and evaluate new games. Many of those companies are seeking feedback and reviews of their newest games. Find a sponsor and license your game. One of the quickest yet hardest ways to make money from the flash games you create is to find a website who is willing to sponsor them. With a single sponsorship, an individual can make anywhere from $1000-$7000 for a game. What are the best ads from these sites? If the game will be in social websites like Facebook and MySpace, will it still be useful to try other sites? Are there any other ways to earn money from a Flash game?

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  • How should I invoke a physics engine?

    - by ymfoi
    I'm new to writing games. I'm planning to write a 2D battle game which may require an physics engine. Suppose I've written one, but how can I combine it with the main routine of my game? Should I attach it directly to the graphics render routine or put it in an individual thread? I've spent much time looking for some common approach, but found nothing. So can you reveal some basics idea for me, a newbie? Thanks! P.S. There're many other problems I have to deal with if I choose to start a separate thread for the physics engine, for example, the lock problem, while from my intuition, I guess I'd better separate the render and the physics engine.

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  • Tool for creating Spritesheet? and Tips

    - by Spooks
    I am looking for a tool that I can use to create sprite sheet easily. Right now I am using Illustrator, but I can never get the center of the character in the exact position, so it looks like it is moving around(even though its always in one place), while being loop through the sprite sheet. Is there any better tools that I can be using? Also what kind of tips would you give for working with a sprite sheet? Should I create each part of the character in individual layers (left arm, right arm, body, etc.) or everything at once? any other tips would also be helpful! thank you

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  • Community Programming

    - by James Hill
    Background I just began working for a religious non-profit organization. As with most non-profits, the organization is resource-poor and has no IT department to speak of. In my two months here I've received 20 requests for websites, apps, and internal automation. Many of these 20 requests have merit and would benefit the organization. I'm a .net web developer and as such the open source community is relatively foreign to me... Question For the sake of this question, lets say I'm talking about building a single, large, website. Does software (web based, hopefully) exist that would allow me to post requirements and assets (graphics and CSS) for a site, and then invite programmers to participate in the sites development? As a simple example, I could post the requirements and data for the about us page and an individual would indicate that they could/would fulfill the requirement. Upon completion, they could upload the new source code to the shared repository (github).

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  • Gauging Maturity of your BPM Strategy - part 2 / 2

    - by Sanjeev Sharma
    In my earlier post I had discussed the essence of maturity assessment and the business imperative for doing the same in the context of BPM. In this post I will discuss Oracle’s BPM Maturity assessment methodology. Oracle’s BPM Maturity model comprises of the following components: Maturity – represents stages of evolution of your BPM capability with 0 being the lowest level and 5 being the highest level  Domain – represents multiple perspectives both technical and business oriented against which your BPM capability can be assessed Adoption – represents scale of BPM rollout starting at the project level to the enterprise level Note: Your BPM capability can be at different levels of maturity for the different domains. Oracle’s BPM assessment methodology measures the maturity of your BPM capability at the individual domain level as well as the aggregate level. The output of Oracle’s BPM assessment benefits you in two ways: Gap Analysis by comparing the “As-Is” BPM capability with the desired “To-Be” BPM capability along the various domains  (see Figure 1) Systematic Adoption by aligning evolution of BPM capability with its rollout in multiple phases (see Figure 2)

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  • A question every programmer has. Maybe.

    - by zengr
    I have been using Java from the last 2yrs (academics). Now, when I am graduating, I received a job offer from a .com. The job is awesome and it's a backend Java work. I wanted to get involved with Ruby on Rails, looked for alot of jobs, gave few interviews, but didn't make it. So, what should I do now? Should I go ahead with Java and learn/do more with Java, a complete 360degree of the java world - Full stack of Java from backend to frontend? OR Java at workplace and try to improve my Ruby on Rails. I understand, this is a very subjective question and depends on the individual, but what would you have done? Have you ever faced a similar problem? I feel I have wasted some time with Rails, where I could not "conquer" Rails, where as I could have used that time to go more into Java.

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  • Get aggregated view of data for entire website with Google Analytics

    - by crmpicco
    I have a website (www.ayrshireminis.com), which has three main sections under different directories, these are: /forum /galleries /contact I would like to have an aggregated view of the data for the whole website, but also for each section. What is the recommended approach for doing this? I believe I can create a web property that includes a profile for the entire website and duplicated filtered profiles, each section having an include filter. This is my gut instinct, but i'd like to know if there is another (better) way to do it? Maybe by having one account that includes a profile for the whole site and another profile with an include filter for the individual sections?

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  • What percentage of software developers work solo?

    - by JMather
    I'm trying to put together some ideas for a talk, and one of the things that occurred to me, is if there's any documentation or research into how many programmers work as the lone developer within their team. I think this is an important distinction because individual developers (and perhaps small team developers) end up having to wear many more hats than developers part of a large developer group. It could give us some better insight to career development and transition tactics, as well. I've tried some generally googling, and wasn't able to turn up anything, so I'm hoping maybe someone has seen (or studied) something related to this. Thanks in advance!

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  • UML Class diagrams with Java packages?

    - by loosebruce
    I am trying to model in UML 2.0 a Java servlet application that has three classes Servlet class; essentially a main class that acts as the controller DatabaseLogic; contains methods for database operations XMLBuilder; builds an XML from a query result string The classes use a variety of packages from the Java library. I am unsure how to model this in UML Do I have to create a package and show which libraries are used for each individual class or can I just have one large package in the diagram with all the libraries showing which classes have dependencies on which. As per this diagram This is my first time working with java properly (im a C++ guy) Apart from being a bit messy , is this a correct UML representation of the system I described? Does a Package in UML mean the same as a Package in Java?

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  • Rubik's cube array rotation

    - by Ace
    I'm about to make a 3D Rubik's cube based game in Flash AS3 and Away3d. I don't really know how to manage the 2D arrays of the Rubik's cube. For example, how do I rotate the corresponding arrays if I rotate a side, or just rotate a middle part? In this stage I also don't know how to rotate those smaller cube parts all together if a side is rotating. First I was thinking of "groups" ( like in sketchup or 3ds max, blender), but that would be tricky, because the group components would change every time. So I was thinking of just rotating each individual piece along a global axis. However, I just know the Away3d functions to rotate the cube of his local X , Y or Z axis, but how to rotate in global axis? Does anyone know of a algorithm for doing these types of rotations?

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  • Javascript Rookie Question: Define Variables Inline

    - by Dylan Kinnett
    I'm proficient with HTML and CSS but I'm still pretty shaky when it comes to Javascript. That said, I've been able to build a site using the Internet Archive Book Reader, which relies on reader.js Here's a copy of one of my versions of reader.js https://gist.github.com/dylan-k/ed4efed2384e221d46cc It's a good site, but I find I have to repeat things a lot. Basically, I have one copy of reader.js for every page/book featured on the site. It seems there must be a better way. I re-use the script, making copies, just so that I can change lines 28, 80, 83, 84. Is there a way I could include just one copy of reader.js and then use a <script> tag to define these 4 lines for the individual pages?

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  • Introducing the Documentation Workflows

    - by Owen Allen
    The how-to documents  provide end to end examples of specific features, such as creating a new zone or discovering a new system. We are enhancing the individual how-tos with documents called Workflows. These workflows are each built around procedural flowcharts that show these larger and more complex tasks. The workflow indicates which how-tos or other workflows you should follow to complete a more complex process, and give you a flow for planning the execution of a process. Over the coming days I'll highlight each of these workflows, and talk about the tasks that each one guides you through.

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  • SPARC T4-4 Delivers World Record Performance on Oracle OLAP Perf Version 2 Benchmark

    - by Brian
    Oracle's SPARC T4-4 server delivered world record performance with subsecond response time on the Oracle OLAP Perf Version 2 benchmark using Oracle Database 11g Release 2 running on Oracle Solaris 11. The SPARC T4-4 server achieved throughput of 430,000 cube-queries/hour with an average response time of 0.85 seconds and the median response time of 0.43 seconds. This was achieved by using only 60% of the available CPU resources leaving plenty of headroom for future growth. The SPARC T4-4 server operated on an Oracle OLAP cube with a 4 billion row fact table of sales data containing 4 dimensions. This represents as many as 90 quintillion aggregate rows (90 followed by 18 zeros). Performance Landscape Oracle OLAP Perf Version 2 Benchmark 4 Billion Fact Table Rows System Queries/hour Users* Response Time (sec) Average Median SPARC T4-4 430,000 7,300 0.85 0.43 * Users - the supported number of users with a given think time of 60 seconds Configuration Summary and Results Hardware Configuration: SPARC T4-4 server with 4 x SPARC T4 processors, 3.0 GHz 1 TB memory Data Storage 1 x Sun Fire X4275 (using COMSTAR) 2 x Sun Storage F5100 Flash Array (each with 80 FMODs) Redo Storage 1 x Sun Fire X4275 (using COMSTAR with 8 HDD) Software Configuration: Oracle Solaris 11 11/11 Oracle Database 11g Release 2 (11.2.0.3) with Oracle OLAP option Benchmark Description The Oracle OLAP Perf Version 2 benchmark is a workload designed to demonstrate and stress the Oracle OLAP product's core features of fast query, fast update, and rich calculations on a multi-dimensional model to support enhanced Data Warehousing. The bulk of the benchmark entails running a number of concurrent users, each issuing typical multidimensional queries against an Oracle OLAP cube consisting of a number of years of sales data with fully pre-computed aggregations. The cube has four dimensions: time, product, customer, and channel. Each query user issues approximately 150 different queries. One query chain may ask for total sales in a particular region (e.g South America) for a particular time period (e.g. Q4 of 2010) followed by additional queries which drill down into sales for individual countries (e.g. Chile, Peru, etc.) with further queries drilling down into individual stores, etc. Another query chain may ask for yearly comparisons of total sales for some product category (e.g. major household appliances) and then issue further queries drilling down into particular products (e.g. refrigerators, stoves. etc.), particular regions, particular customers, etc. Results from version 2 of the benchmark are not comparable with version 1. The primary difference is the type of queries along with the query mix. Key Points and Best Practices Since typical BI users are often likely to issue similar queries, with different constants in the where clauses, setting the init.ora prameter "cursor_sharing" to "force" will provide for additional query throughput and a larger number of potential users. Except for this setting, together with making full use of available memory, out of the box performance for the OLAP Perf workload should provide results similar to what is reported here. For a given number of query users with zero think time, the main measured metrics are the average query response time, the median query response time, and the query throughput. A derived metric is the maximum number of users the system can support achieving the measured response time assuming some non-zero think time. The calculation of the maximum number of users follows from the well-known response-time law N = (rt + tt) * tp where rt is the average response time, tt is the think time and tp is the measured throughput. Setting tt to 60 seconds, rt to 0.85 seconds and tp to 119.44 queries/sec (430,000 queries/hour), the above formula shows that the T4-4 server will support 7,300 concurrent users with a think time of 60 seconds and an average response time of 0.85 seconds. For more information see chapter 3 from the book "Quantitative System Performance" cited below. -- See Also Quantitative System Performance Computer System Analysis Using Queueing Network Models Edward D. Lazowska, John Zahorjan, G. Scott Graham, Kenneth C. Sevcik external local Oracle Database 11g – Oracle OLAP oracle.com OTN SPARC T4-4 Server oracle.com OTN Oracle Solaris oracle.com OTN Oracle Database 11g Release 2 oracle.com OTN Disclosure Statement Copyright 2012, Oracle and/or its affiliates. All rights reserved. Oracle and Java are registered trademarks of Oracle and/or its affiliates. Other names may be trademarks of their respective owners. Results as of 11/2/2012.

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  • How did craigspro license Craigslist content? [closed]

    - by Joshua Frank
    There's an app called craigspro that provides a much better interface to Craigslist on mobile devices. They claim that the app is Officially Licensed by Craigslist, but I thought Craigslist never licensed their content, and the only thing I can find on the subject in the terms of use is this: Any copying, aggregation, display, distribution, performance or derivative use of craigslist or any content posted on craigslist whether done directly or through intermediaries (including but not limited to by means of spiders, robots, crawlers, scrapers, framing, iframes or RSS feeds) is prohibited. As a limited exception, general purpose Internet search engines and noncommercial public archives will be entitled to access craigslist without individual written agreements executed with CL that specifically authorize an exception to this prohibition if ... Does anyone know how do get a "written agreement" with Craigslist, and roughly what their terms would be? Do they charge a fee, or just check that you're not evil? I'll try next with Craigslist directly, but I'd like to get a sense of the landscape before stumbling in.

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  • Music player that remembers last song and playlist

    - by user654628
    I am looking for something similar to winamp. I have seen other threads but I have tried some solutions and they did not work. I tried Banshee that comes with Ubuntu 11.10 but it does not open last song. I tried Rhythmbox with the remember last song plugin however it does not remember the playlist I got the song from so it would start shuffling all my music. I tried Amarok and it does the same thing as Banshee except cannot even play my playlist and starts playing all my music. I tried audacious but importing my playlist .m3u doesnt allow me to select the individual playlists and play them. I just moved from Windows using winamp and would like a music player that can open playlists .m3u and when I open the application later that it opens the last song and playlist and I can press the play hotkey and music will start playing on startup similar to winamp. I do not care about any additional functionality or user interface.

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  • How do I simplify terrain with tunnels or overhangs?

    - by KKlouzal
    I'm attempting to store vertex data in a quadtree with C++, such that far-away vertices can be combined to simplify the object and speed up rendering. This works well with a reasonably flat mesh, but what about terrain with overhangs or tunnels? How should I represent such a mesh in a quadtree? After the initial generation, each mesh is roughly 130,000 polygons and about 300 of these meshes are lined up to create the surface of a planetary body. A fully generated planet is upwards of 10,000,000 polygons before applying any culling to the individual meshes. Therefore, this second optimization is vital for the project. The rest of my confusion focuses around my inexperience with vertex data: How do I properly loop through the vertex data to group them into specific quads? How do I conclude from vertex data what a quad's maximum size should be? How many quads should the quadtree include?

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