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  • vector collision on polygon in 3d space detection/testing?

    - by LRFLEW
    In the 3d fps in java I'm working on, I need a bullet to be fired and to tell if it hit someone. All visual objects in the game are defined through OpenGL, so the object it can be colliding with can be any drawable polygon (although they will most likely be triangles and rectangles anyways). The bullet is not an object, but will be treated as a vector that instantaneously moves all the way across the map (like the snipper riffle in Halo). What's the best way to detect/test collisions with the polygon and the vector. I have access to OpenCL, however I have absolutely no experience with it. I am very early in the developmental stage, so if you think there's a better way of going about this, feel free to tell me (I barley have a player model to collide with anyways, so I'm flexible with it). Thanks

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  • Launch the Desktop Version of IE from the Windows 8 Start Screen

    - by Taylor Gibb
    There are two versions of Internet Explorer in Windows 8, one you can only launch from the Start Screen and the Desktop version which you can only launch from the Desktop. Lets look at how we can launch the Desktop version from the Start Screen. To get started you need to create a shortcut, so right-click on the desktop, and choose New –>  Shortcut. When you are asked for the location of the item, type the following: How to Stress Test the Hard Drives in Your PC or Server How To Customize Your Android Lock Screen with WidgetLocker The Best Free Portable Apps for Your Flash Drive Toolkit

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  • Good resources for JavaScript 2D game programming?

    - by DJCouchyCouch
    As an exercise, I've decided to look into JavaScript for game programming. While it's far from being the best language for that, I do like the idea that it's cross-platform and it's always available as a web page. So I thought I'd see what I could do with it. Specifically, I'd like to make a 2D tile-based game of some kind. Where can I find resources to do that? I'm sure this question's come up before, but I can't find any reference to it.

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  • What are my tool options to prototype a 2D online multiplayer game?

    - by Asher Einhorn
    I'm looking for the best tool to allow me to quickly put together a 2D game that relies largely on networking. It's extremely likely that this game will require a server side program to constantly run. I have little experience with these things and since it's a prototype i'd like the easiest options for achieving this. I am looking to make this game for the web and mobile devices, although at present I only have access to ios hardware, (no android etc). I just want to get the bare bones of this set up so I can test it from the earliest opportunity to see if it's fun. EDIT - doesn't unity have some inbuilt networking stuff in it?

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  • Physics from other games

    - by Carlosrdz1
    I'm making a platform engine with XNA Game Studio, and I've solved almost everything about colliding stuff. But now, I'm searching for good physics for the player, I'm trying to emulate characters from other games like Mario from Super Mario World, or MegaMan X... do you know a website or something, where the physics from that games are revealed? I remember seen a page with something like that. Or what's the process you think is the best to emulate physics from other games? Just trial and error? Thank you.

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  • How to cull liquids

    - by Cyral
    I use culling on my Tiles in my 2D Tile Based Platformer, so only ones needed are drawn on screen. Thats easy to do. However, My Liquid tiles (Water, lava, etc) require an Update Method aswell as the normal Draw, which does checks against tiles, makes it flow, etc. So how should I cull liquid updates in my game? Not culling is to slow, culling only on screen looks awkward when you move. What do you think would be best for the player? Maybe someway of culling the visible tiles PLUS also adding the width/height of the viewport to start culling tiles at a fast enough rate in front of the player so it dosent look awkward when moving? (Not sure how to do this though, something with MaxSpeed of player and width of screen)

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  • How to move to Java enterprise development after Python and Ruby?

    - by rdasxy
    I used to develop in Django/Python and Rails/Ruby (and before that C/C++ and C#), and I'm now at a job where we do enterprise Java development (Spring, Hibernate, RESTEasy, Maven, etc.) for web applications and web services. Coming from the Convention over Configuration world, what's the best way to get up to speed doing enterprise Java web services development? I know Java (the language) well, and I've written GUIs in Swing and basic JSP before, but nothing of the kind I'm doing now. Are there any recommended tutorials to get up to speed on popular Java enterprise development tutorials?

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  • How to promote travel blog? [closed]

    - by Tschareck
    Possible Duplicate: What are the best ways to increase your site's position in Google? How can I increase the traffic to my site? I know this question might seem a little off topic, but blogging may become important part of travel. Nowadays, in time of Facebook, Twitter and similar services, keeping a travel blog may seem a little archaic. It's not 2005 anymore. But a lot of my travel colleagues update their blogs and have significant number of readers. I also tried to keep my blog when I travel. However it seems that the only reader is my mum ;) What is your advice on promoting a travel blog?

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  • Oracle Hosts Successful PeopleSoft Customer Advisory Board Meetings

    - by Mark.Hoernemann
    Last week, Oracle hosted the annual Customer Advisory Board meetings for various PeopleSoft applications, including the PeopleTools CAB.  The three day event at the Oracle headquarters brought together over 90 customers, with over 170 representatives taking part.  This was the largest CAB event PeopleSoft has had to date.  The focus of the event was to share our vision for PeopleSoft, and gain valuable input from our customer base on our direction and focus areas.  The customer feedback we received for the event was extremely positive, matching the sentiment on our side.  The information our CAB members provided was excellent; it will help ensure that we focus on the areas that matter most to our customers.   I’d like to thank all the customers that took the time out of their schedules to hear where we’re looking to go in the future, and provide guidance on how we can best assist our customer base on remaining successful in the marketplace.

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  • 301 Redirects for regional variants of a homepage

    - by Adam Jenkin
    I am planning on implementing a website which has regional homepage variants. For Example: mycompany.com/europe mycompany.com/us The rest of the site is region agnostic and content will continue such as: mycompany.com/news mycompany.com/about-us etc For homepage (.com) requests, I plan on redirecting users to the correct homepage variant (via 301). If I cannot determine the correct one, I will fallback to redirecting them to the US homepage (/us). From an SEO point of view, firstly is this ok? or should I be doing anything additional to this for making search engines aware of the regional differences? As crawlers are region agnostic, I plan on directing them to the US page with a 301, or should I have something on the .com page which they use? Being that the regional homepage's will likely be the most visited pages, they should show up in result sitelinks when searching for mycompany (which I think is a good thing). Apologies for the slightly open question - I know anything SEO related is more opinion/best practice than fact but am purely looking for advice.

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  • Using PHP Redirect Script together with Custom Fields (WordPress)? [on hold]

    - by Alex Scherer
    I am currently trying to make yoast's link cloaking script ( Yoast.com script manual // Github Script files ) work together with the Wordpress plugin Advanced Custom Fields. The script fetches 2 values (redirect id, redirect url) via GET and then redirects to this particular URL which is defined in a .txt file called redirects.txt I would like to change the script, so that I can define both the id and redirection URL via custom fields on each post in my WP dashboard.. I would be really happy if someone could help me to code something that does the same as the script above but without using a redirects.txt file to save the values but furthermore gets those values from custom fields. Best regards ! Alex

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  • Introducing the new Demantra Guided Resolutions!

    - by user702295
    There is a new method to find your solution called guided resolution or search helper. Currently, we cover 5 specific topical areas: Oracle Demantra 7.x and Above Data Loading Guided Resolution Note 1461899.1 Oracle Demantra Load Data Issues Not Necessarily Error Code Related Guided Resolution Note 1468884.1 Oracle Demantra 7.x and Above Workflow Issues Guided Resolution Note 1353217.1 Oracle Demantra 7.x and Above Worksheet Related Guided Resolution Note 1486639.1 Oracle Demantra 7.x and Above Engine Related Guided Resolution Note 1486634.1 The guides will be updated with the latest proven solutions on a regular basis, keeping the contect relevant. What is a guided resolution?   What is the best practice using a guided resolution? How to Use the Demantra Guided Resolution, a Proactive Services Tutorial.  Note 1473992.1

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  • Pixmaps, ByteBuffers, and Textures....Oh my

    - by odaymichael
    My ultimate goal is to take a specific region of the screen, and redraw it somewhere else. For example, take a square from the upper left hand corner of the screen and redraw it on the lower right hand corner, so that it is basically a copy of that screen section; kind of like a minimap, but at the same scale as the original. I have looked in to pixmaps and bytebuffers. Also maybe copying that region from the backbuffer somehow. Wondering the best way to go about this. Any help is appreciated. I am using opengl es and libgdx for what it's worth.

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  • Would like some help in understanding rendering geometry vs textures

    - by Anon
    So I was just pondering whether it is more taxing on the GPU to render geometry or a texture. What I'm trying to see is whether there is a huge difference in rendering two scenes with the same setup: Scene 1: Example Object: A dirt road (nothing else) Geometry: Detailed road, with all the bumps, cracks and so forth done in the mesh Scene 2: Example Object: A dirt road (nothing else) Geometry: A simple mesh, in a form of a road, but in this case maps and textures are simulating cracks, bumps, etc... So of these two, which one is likely to tax the hardware more? Or is it not a like for like comparison? What would be the best way of doing something like this? Go heavy on the textures? Or have a blend of both?

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  • Is having a class have a handleAction(type) method bad practice?

    - by zhenka
    My web application became a little too complicated to do everything in a controller so I had to build large wrapper classes for ORM models. The possible actions a user can trigger are all similar and after a certain point I realized that the best way to go would be to just have constructor method receive action type as a parameter to take care of the small differences internally, as opposed to either passing many arguments or doing a lot of things in the controller. Is this a good practice? I can't really give details for privacy issues.

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  • permission denied errors while starting namenode in hadoop 2.2.0

    - by Riddle
    I recently installed hadoop2.2.0 on my desktop running : Linux livingstream 3.2.0-29-generic #46-Ubuntu SMP Fri Jul 27 17:03:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Lin I am able to format the namenode just fine , however when I start the namenode using the following command: hadoop-daemon.sh start namenode I get the following permission errors , can anyone please help me with these errors: hduser@livingstream:/usr/local/hadoop$ hadoop-daemon.sh start namenode mkdir: cannot create directory `/var/run/hadoop': Permission denied starting namenode, logging to /var/log/hadoop/hduser/hadoop-hduser-namenode- livingstream.out /usr/sbin/hadoop-daemon.sh: line 138: /var/run/hadoop/hadoop-hduser-namenode.pid: No such file or directory Can you please help me with these errors. Best Regards, Ishan

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  • What framework & technology would you use to make a site like fancy.com [on hold]

    - by adriancdperu
    Im about to start a 3 month process to build something similar to fancy.com. What are your opinions about: best language + framework? (server - side) = I was thinking about LAMP and CakePHP important technological issues to consider when developing? MAU assumption = 1 million. Main features: Registration with Facebook Normal registration Search articles Like articles Post articles Comment on articles Suggest articles to friends via mail, Facebook, Twitter and about 3 or 4 more apis Ranking of articles as a cron job done every minute, many criterias, many rankings Follow users Datamining users to mail everyday with articles they have high probability of liking Operation tools for admins to add articles and close user accounts Mobile focus

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  • Is it legal to develop a game using D&D rules?

    - by Max
    For a while now I've been thinking about trying my hand at creating a game similar in spirit and execution to Baldur's Gate, Icewind Dale and offshoots. I'd rather not face the full bulk of work in implementing my own RPG system - I'd like to use D&D rules. Now, reading about the subject it seems there is something called "The License" which allows a company to brand a game as D&D. This license seems to be exclusive, and let's just say I don't have the money to buy it :p. Is it still legal for me to implement and release such a game? Commercially or open-source? I'm not sure exactly which edition would fit the best, but since Baldur's Gate is based of 2nd edition, could I go ahead an implement that? in short: what are the issues concerning licensing and publishing when it comes to D&D? Also: Didn't see any similar question...

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  • Provocative Tweets From the Dachis Social Business Summit

    - by Mike Stiles
    On June 20, all who follow social business and how social is changing how we do business and internal business structures, gathered in London for the Dachis Social Business Summit. In addition to Oracle SVP Product Development, Reggie Bradford, brands and thought leaders posed some thought-provoking ideas and figures. Here are some of the most oft-tweeted points, and our thoughts that they provoked. Tweet: The winners will be those who use data to improve performance.Thought: Everyone is dwelling on ROI. Why isn’t everyone dwelling on the opportunity to make their product or service better (as if that doesn’t have an effect on ROI)? Big data can improve you…let it. Tweet: High performance hinges on integrated teams that interact with each other.Thought: Team members may work well with each other, but does the team as a whole “get” what other teams are doing? That’s the key to an integrated, companywide workforce. (Internal social platforms can facilitate that by the way). Tweet: Performance improvements come from making the invisible visible.Thought: Many of the factors that drive customer behavior and decisions are invisible. Through social, customers are now showing us what we couldn’t see before…if we’re paying attention. Tweet: Games have continuous feedback, which is why they’re so engaging.  Apply that to business operations.Thought: You think your employees have an obligation to be 100% passionate and engaged at all times about making you richer. Think again. Like customers, they must be motivated. Visible insight that they’re advancing on their goals helps. Tweet: Who can add value to the data?  Data will tend to migrate to where it will be most effective.Thought: Not everybody needs all the data. One team will be able to make sense of, use, and add value to data that may be irrelevant to another team. Like a strategized football play, the data has to get sent to the spot on the field where it’s needed most. Tweet: The sale isn’t the light at the end of the tunnel, it’s the start of a new marketing cycle.Thought: Another reason the ROI question is fundamentally flawed. The sale is not the end of the potential return on investment. After-the-sale service and nurturing begins where the sales “victory” ends. Tweet: A dead sale is one that’s not shared.  People must be incentivized to share.Thought: Guess what, customers now know their value to you as marketers on your behalf. They’ll tell people about your product, but you’ve got to answer, “Why should I?” And you’ve got to answer it with something substantial, not lame trinkets. Tweet: Social user motivations are competition, affection, excellence and curiosity.Thought: Your followers will engage IF; they can get something for doing it, love your culture so much they want you to win, are consistently stunned at the perfection and coolness of your products, or have been stimulated enough to want to know more. Tweet: In Europe, 92% surveyed said they couldn’t care less about brands.Thought: Oh well, so much for loving you or being impressed enough with your products & service that they want you to win. We’ve got a long way to go. Tweet: A complaint is a gift.Thought: Our instinct where complaints are concerned is to a) not listen, b) dismiss the one who complains as a kook, c) make excuses, and d) reassure ourselves with internal group-think that they’re wrong and we’re right. It’s the perfect recipe for how to never, ever grow or get better. In a way, this customer cares more than you do. Tweet: 78% of consumers think peer recommendation is the best form of advertising.  Eventually, engagement is going to eat advertising.Thought: Why is peer recommendation best? Trust. If a friend tells me how great a movie was, I believe him. He has credibility with me. He’s seen it, and he could care less if I buy a ticket. He’s telling me it was awesome because he sincerely believes that it was.  That’s gold. Tweet: 86% of customers are willing to pay more for a better customer experience. Thought: This “how mad can we make our customers without losing them” strategy has to end. The customer experience has actual monetary value, money you’re probably leaving on the table. @mikestilesPhoto: stock.xchng

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  • How do I calculate a SWAP partition?

    - by Dean Howell
    Since the late 90s I've always understood that it is best practice to allocate twice the amount of physical RAM as swap space. I just received my new laptop in the mail and it came with 6GB of RAM. In a separate order I had 16GB of RAM to replace the preinstalled. I didn't have the right torx driver to get to the RAM in this machine, so I installed Ubuntu and manually set a 16GB partition for swap. 32GB seemed a tad excessive... Did I make the right choice? Would my machine perform better if there was no SWAP at all?

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  • tic tac toe game ai as3

    - by David Jones
    I'm looking into creating a simple tic tac toe/noughts and crosses game in actionscript3 and am trying to understand the ideas behind the ai used in a game like this. I've seen some simplistic examples online but from what I've read a game tree or something like minimax is the best way to go about this. Can anyone help explain or reference any good examples of this? I've seen that there is a library called as3ds - data structures for game developers which has a number of classes that might help tie this together? Any info/examples or help is much appreciated

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  • Which programming language could I use for Natural Language Processing to extract clinical words?

    - by MACEE
    I am going to do entity extraction (like Named Entity Recognition) from clinical free text (unstructured raw text such as discharge summaries) and these entities could be any medical problem, medical tests or treatments. I am going to use one of i2b2 datasets (https://www.i2b2.org/) if case you are familiar with that. I am new to the NLP(Natural Language Processing) field and I need a programming language to support NLP tasks and also easily connect to the available libraries of machine learning algorithms like CRF. I don't know much java and I heard about Python, Perl and Scala but I am not sure which one would be the best option for this task?

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  • One True Event Loop

    - by CyberShadow
    Simple programs that collect data from only one system need only one event loop. For example, Windows applications have the message loop, POSIX network programs usually have a select/epoll/etc. loop at their core, pure SDL games use SDL's event loop. But what if you need to collect events from several subsystems? Such as an SDL game which doesn't use SDL_net for networking. I can think of several solutions: Polling (ugh) Put each event loop in its own thread, and: Send messages to the main thread, which collects and processes the events, or Place the event-processing code of each thread in a critical section, so that the threads can wait for events asynchronously but process them synchronously Choose one subsystem for the main event loop, and pass events from other subsystems via that subsystem as custom messages (for example, the Windows message loop and custom messages, or a socket select() loop and passing events via a loopback connection). Option 2.1 is more interesting on platforms where message-passing is a well-developed threading primitive (e.g. in the D programming language), but 2.2 looks like the best option to me.

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  • How can I convince management to deal with technical debt?

    - by Desolate Planet
    This is a question that I often ask myself when working with developers. I've worked at four companies so far and I've become aware of a lack of attention to keeping code clean and dealing with technical debt that hinders future progress in a software app. For example, the first company I worked for had written a database from scratch rather than use something like MySQL and that created hell for the team when refactoring or extending the application. I've always tried to be honest and clear with my manager when he discusses projections, but management doesn't seem interested in fixing what's already there and it's horrible to see the impact it has on team morale. What are your thoughts on the best way to tackle this problem? What I've seen is people packing up and leaving. The company then becomes a revolving door with developers coming in and out and making the code worse. How do you communicate this to management to get them interested in sorting out technical debt?

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  • Java: Reflection Packet Builder using getField()

    - by Matchlighter
    So I just finished writing a packet builder that dynamically loads data into a data stream which is then sent out. Each builder operates by finding fields in its class (and its superclasses) that are marked with an @data annotation. Upon finishing the builder, I remembered that getFields() does not return in "any specific order". I quite like my builder because it allows for quite simple, yet hard-typed packets. Could this implementation be a problem? What would be the best next step to keep the simplicity - do alphabetical sorting of fields?

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