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• Architecture for html5 multiplayer game?

  - by Tihomir Iliev

  Hello I want to write a HTML5 multiplayer game in which there are rooms with two players answering a series of questions with 3 possible answers, 10sec/question, which are being downloaded from a server. It will have some ratings and so on. I want to make it as scalable as possible. I wonder what technologies to use to accomplish that. HTML5, CSS3 and JavaScript obviously. But what about the server-side? I have been researching and found that Socket.IO + Node.js + mongoDB would do the job but after doing some more research it maybe not. Can you suggest me some kind of architecture for doing this game? Free technologies, if possible. Or what to read and from where to start in order to understand how to do it. Thanx in advance! P.S. I have an experience with HTML5, CSS3, JavaScript, C#, ASP.NET MVC and relational db's.

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• Is acoustic fingerprinting too broad for one audio file only?

  - by IBG

  We were looking for some topics related to audio analysis and found acoustic fingerprinting. As it is, it seems like the most famous application for it is for identification of music. Enter our manager, who requested us to research and possible find an algorithm or existing code that we can use for this very simple approach (like it's easy, source codes don't show up like mushrooms): Always-on app for listening Compare the audio patterns to a single audio file (assume sound is a simple beep) If beep is detected, send notification to server With a flow this simple, do you think acoustic fingerprinting is a broad approach to use? Should we stop and take another approach? Where to best start? We haven't started anything yet (on the development side) on this regard, so I want to get other opinion if this is pursuit is worth it or moot.

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• bug fixing appproach

  - by Shirish11

  I have been working on a project comprising of databases. I recently received a bug report for the remote execution of some queries. Usually you try to find out the actual cause for the bug to occur and then fix it. But sometimes what I do when I'm fed up of doing some research (and can't find suitable information on the internet) is just change the logic, which takes me much less time compared to the other option. Is this approach of mine correct or should I try to fix the original bug involving more R&D?

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• Communications: Customer Experience

  - by Michael Seback

  What might a new customer experience look like in Communications? Could a customer research comments from social networks, buy online and be geo directed to a nearby store to pick up the device?  Could the customer be contacted proactively that he is approaching a data threshold for a smart phone and be offered value added options to manage usage? Could the customer upgrade video features interactively and leverage loyalty points for payment? Watch this short Communications Customer Experience story to see a scenario that addresses these challenges and many more.   Learn about the Oracle Customer Experience and Oracle Communications.

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• Should webmasters "index" dashboard and edit account page

  - by francoboy7

  New here, I did my research and found nothing, but sorry if it has already been asked. As webmasters should be let google and other search engine INDEX our member's dashboard and edit account page. For example my member John has access to a page name "Edit your account" where he can fill some fields and updates his info. Or another pages where John can manage his posts (edit, delete) Such pages have no interest to the other people so should be let google and others INDEX it or should we NOINDEX it ? Thanks for your time ! Franck

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• How many achievements should I include, and of what challenge?

  - by stephelton

  I know this question is fairy broad and subjective, but I'm wondering if there's been any published research into what an optimal number of achievements is and what kind of challenge they should present. The game this question directly relates to is a shoot-em-up, but an ideal answer is fairly theoretical. If there are there are too few achievements, or they are not challenging, I would expect they would fail in their goal to keep people playing. If there are too many, or they are unreasonably difficult, I would expect people to quickly give up. I personally witnessed the latter happening in Starcraft 2; a section of the achievements would have you win hundreds of games against their AI opponents (boring!)

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• What to choose for beginner: PHP/Python/Ruby

  - by Nai

  I'm a beginner teaching myself to code but I would like he insight of the PSE community and helping choose where to start. My main objective is to be able to create a basic website to first test my business idea and from there iterate on it quickly to minimise my learning time. The most important criteria for me is speed. An example of speed would be pre-built components available open source and not having to write one from scratch. From my research, this seems to be a death match between the following languages and frameworks: PHP and CakePHP Python and Django Ruby and Rails Assumptions: I am going to be equally good (or bad) in all 3. It is going to be equally easy to find competent developers in either language. I know this to be false already by lets assume that it is. This question is not meant to karma whore as I've seen how passionate some of these standoff questions have been and I'll be happy to turn it into a community wiki.

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• Translating Fusion Apps Customizations: Composers mean Usable Apps in Any Language

  - by ultan o'broin

  Quick shoutout for the Fusion Applications (Cloud Applications to you) Developer Relations blog post about translating Fusion apps customizations using composers and other tools and utilities provided by Oracle. Great to see Fusion help customizations included in the post, as well as software, and it also includes a nice heads up on what's coming to enable customers to make changes to text themselves in Release 8 of Oracle's Cloud Applications. I am proud to say that I logged the enhancements for what's coming in Release 8  to come to life and also wrote a spec for its requirements based on the customer research done internationally through the Oracle Usability Advisory Board). Remember,  copywriting is design and translated versions means reflecting local UX requirements too! Nice post guys!

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• Quels points prendre en compte avant de se lancer vers la mobilité ? Le CMS ASP.NET DotNetNuke répond dans un livre blanc

  Découvrez les six points à prendre en compte avant de se lancer vers la mobilité selon DotNetNuke, dans un livre blanc publié par le CMS ASP.NET Le secteur du mobile a le vent en poupe. D'ici 2014, le nombre de pages affichées par les personnes utilisant les terminaux mobiles sera plus élevé que le nombre de visites effectuées depuis les ordinateurs de bureau et portables, selon une estimation de Morgan Stanley Research. Les entreprises pour maintenir leur présence sur Internet doivent donc songer à fournir dès à présent un accès rationalisé et facile à l'information pour les clients qui utilisent les smartphones et les tablettes. Comment préparer sa présence sur le mobile...

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• Read Text From Windows Form

  - by omghai2u

  I would like, if for no other reason that an academic exercise, to be able to read text written to a form on a Windows Application. The program appears to be written in non-.NET, but in .NET terms, I think you would describe the program as having a Form with a Label and I would like to read the text from that label. I believe I can see that text being written to the screen with the User32!TextOut (and in other areas User32!DrawString) function. However, it would be nice if I didn't have to hook that function to get the information I'm looking for, but instead if I could just read it from the form directly. So, given a handle to a Window, is it possible to read the text that has been written to that window with functions like TextOut and DrawString using some similar API or other clever means? Or am I going about this the wrong way? Should I just hook the function and look for the text in every call and pray? Thanks!

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• How to redirect user into mobile website?

  - by iLa

  Hi how to redirect the user into mobile site when the user accessing from mobile. Say example i have site called www.mysite.com. Now, a person accessing a website from mobile it should redirect to www.mysite.com/mobile or www.m.mysite.com. I put some research in google that we can redirect using javascript to get the user agent(browser) if(mobile browser) { //redirect to www.mysite.com/mobile } else if(normal browser) { //redirect to www.mysite.com } or using screen resolution if(screen resolution < 800 ) { //redirect to www.mysite.com/mobile } else if(screen resolution > 800) { //redirect to www.mysite.com } I think It will not work If it is the case of javascript disable. Can we do this using .htaccess or php stuff? Is there any standard mechanism to do this?

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• Webcast on Monday, July 22 - Discover the Key to Profitable Order Fulfillment

  - by Pam Petropoulos

  When it comes to order fulfillment, organizations are challenged by the increasing complexity of global supply chains and an explosion of order and delivery channels. Attend this webcast on Monday, July 22 and hear Steve Banker, Service Director for Supply Chain Management at ARC Advisory Group, discuss how distributed order management solutions can help companies transform their fulfillment operations to gain greater supply chain visibility, improve order profitability, and increase customer service levels and satisfaction.  Hear too from Oracle executives who will showcase examples of customers successfully using Oracle Distributed Order Orchestration. Date: Monday, July 22, 2013 Time:  1:00 p.m. EST Click here to Register Download a free copy of the ARC Advisory Research Brief on Oracle’s Distributed Order Orchestration solution and discover how Boeing, the world’s leading aerospace company, is leveraging the solution to automate their proposal and order management processes and achieve an expected 30% reduction in order cycle times. 

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• Is it possible to track redirects to external sites from our subdomains?

  - by ChaBuku

  I have a handful of subdomains set up as redirects because we are using them for QR codes. I want to be able to track the QR code redirects (which are already set up and printed so no changing them at this point) and see the effectiveness of each. Here's two examples: http://qr.glorkianwarrior.com and http://ad.glorkianwarrior.com are set up to forward to our iTunes page (later on this year it may forward to Google Play or a specific landing page), is there any way on my server to track the redirect from the subdomain to iTunes and see where traffic is coming from first? I have the redirects set up through cPanel presently using subdomains. Edit: From the research I've seen I can't track a 301 directly. If I redirect to an internal page and then do a timed redirect to the iTunes link, how long will it take for the tracking script to track a hit?

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• C# dependency injection - how to you inject a dependency without source?

  - by Phil Harris

  Hi, I am trying to get started with some simple dependency injection using C# and i've run up against an issue that I can't seem to come up with an answer for. I have a class that was written by another department for which I don't have the source in my project. I wanted to inject an object of this type though a constructor using an interface, but of course, i can't change the injected objects implementation to implement the interface to achieve polymorphism when casting the object to the interface type. Every academic example I have ever seen of this technique has the classes uses classes which are declared in the project itself. How would I go about injecting my dependency without the source being available in the project? I hope that makes sense, thanks.

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• How to protect Ubuntu from fork bomb

  - by dblang

  I heard someone talking about a fork bomb, I did some research and found some dreadful information about some strange looking characters people can have you type at the command line and as a result do bad things on the computer. I certainly would not issue commands I do not understand but one never knows what can happen. I heard that some OS allows the administrator to place some limit on user processes to mitigate the effects of fork bombs, is this protection in Ubuntu by default or would a person with sudo privilege have to set this? If so, how?

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• Resources for creating a turn-by-turn navigation system

  - by benwad

  I'm trying to create a kind of turn-by-turn satellite navigation system using the iOS SDK. I get the directions from the server and draw them on the map, then I keep getting location updates from the iPhone's GPS chip. Currently I start by finding the nearest turning point then, each time the user comes within a certain distance of the next turning point, a verbal cue is given and the turning point index is incremented. This is a delicate system and I'd like to make it more robust so I can tell when the user is going the wrong direction etc. Basically I'm looking for some literature about turn-by-turn navigation, in terms of tracking the user's progress and whether they're going the right direction. I'd have thought there's a lot of research out there but I can't seem to find anything apart from simple tutorials on how to use a given SDK or directions API. Can anyone direct me to a good run-through of the various techniques used in software such as TomTom or Google Maps Navigation?

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• Simulating brush strokes for painting application

  - by DrRobot

  I'm trying to write an application that can be used to create pictures that look like paintings using simulated brush strokes. Are there any good sources for simple ways of simulating brush strokes? For example, given a list of mouse positions that the user has dragged the mouse through, a brush width and a brush texture, how do I determine what to draw to the canvas? I've tried angling the brush texture in the direction of the mouse movement and dabbing several brush texture images along the path, but it doesn't look great. I think I'm missing something where the brush texture should shrink and grow on corners. Any simple to follow links would be appreciated. I've found complex academic papers on simulating e.g. oil paints but I just want a basic algorithm to use that produces OK results if possible.

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• Exchange 2010 Deployment Notes &ndash; iPhone and Exchange ActiveSync issue

  - by BWCA

  After we moved one of our user mailboxes from Exchange 2003 to 2010, the user started getting a Cannot get mail. The connection to the server failed error message on their iPhone device. There are a lot of references on Google to check for inherited permissions to resolve the error message.  We quickly determined that we were not dealing with a permissions issue. After some additional troubleshooting and research, we were able to isolate the problem to a device partnership issue. To resolve the issue, use ADSI Edit to find the user object. When you find the user object, double-click on it and you should see a CN=ExchangeActiveSyncDevices container under the user object as shown below.  On the right-hand side, you should see one or more device partnerships.   Right-click the device partnership according to the device the user is using, and click Delete. After you remove the device partnership, please wait until Active Directory replication completes before you set up the device again.

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• Windows 8 débutera timidement pour décoller en 2014, selon Forrester, qui met en évidence l'hétérogénéité du marché global des OS

  Windows 8 débutera timidement pour décoller en 2014 selon Forrester, qui met en évidence l'hétérogénéité du marché global des OS À quelques jours de la sortie grand public de Windows 8, le cabinet d'analyse Forrester livre sa vision du futur de l'OS de Microsoft. Selon l'analyste Frank Gillett, vice-président du cabinet Forrester Research, le système d'exploitation va démarrer de façon timide en 2013 sur les PC, puis les ventes vont décoller en 2014. Par contre, Microsoft se positionnera simplement comme un concurrent sur le marché des tablettes et comme un troisième acteur dans le secteur de mobile, loin derrière Android et l'iPhone. Pour Franck Gillett, Microsoft...

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• Will the Global Demand for Water Outstrip the Supply by 2030?

  - by Evelyn Neumayr

  A recent study conducted by the Economist Intelligence Unit and sponsored by Oracle Utilities, titled “Water for All?”,considers the preparedness of utilities to supply water to the current global population of over 7 billion people, with a further 1 billion expected by 2030. It compares strategies used by utilities in 10 major countries to address this challenge. This study’s findings show that wide-ranging water management efforts and large-scale investments must be made if utilities are to meet near-certain water stress—demand outstripping supply—by 2030. The report is based on an online survey of 244 executives of water utilities in these countries, supplemented by in-depth interviews with 20 water utility executives and independent experts. The research concludes that utilities worldwide expect to meet future demand, despite increased supply pressure on supplies, due to improvements in water productivity that the wide range of measures utilities and governments will take to ensure that water is used more efficiently. Read more about this here.

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• Vanilla forum personal journal tool

  - by user16648

  I am developing a forum for a research project, i am using Vanilla forum (though i am not tied to this yet). Another feature of this site will be a personal journal/diary/blog. Only the user and administrators will have access to the journal. The journal does not need any advanced features. Does anybody have any suggestions on software/script that could easily be integrated with Vanilla forum for this purpose? My first thought was using Wordpress but it is a bit to complex to adminstrate as the site is meant to be simple. And i dont really see how it can be intregrated easily the way i want it.

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• Google I/O 2012 - Bring Your App to the Big Screen

  Google I/O 2012 - Bring Your App to the Big Screen Michael Sundermeyer, Ossama Alami Google TV expands the reach of the Android and the web to television, but designing applications for the TV is fundamentally different than building apps for mobile, tablet or PCs. In this session we'll we share the core points of our user research and give you tips on how to connect with your users by designing beautiful and functional Android and web applications for the biggest screen in the house. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 617 17 ratings Time: 58:07 More in Science & Technology

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• Lag compensation with networked 2D games

  - by Milo

  I want to make a 2D game that is basically a physics driven sandbox / activity game. There is something I really do not understand though. From research, it seems like updates from the server should only be about every 100ms. I can see how this works for a player since they can just concurrently simulate physics and do lag compensation through interpolation. What I do not understand is how this works for updates from other players. If clients only get notified of player positions every 100ms, I do not see how that works because a lot can happen in 100ms. The player could have changed direction twice or so in that time. I was wondering if anyone would have some insight on this issue. Basically how does this work for shooting and stuff like that? Thanks

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• The Emergence of a New Architecture for Long-term Data Retention

  - by Claudia Caramelli-Oracle

  Dear Partner, A new research report from Wikibon explains how the combination of flash and tape makes for a superior solution for long-term data archives versus using dedupe appliances. The combination of these two technologies, that have been in the market, one for a few years and the other for decades, introduces a new concept. The concept is “Flape”, a concept first coined by Wikibon in October of 2012. Flape is a combination of Flash (SSD) technology and tape…this combination of technologies when used for long-term archiving can save IT departments as much as 300% of their overall IT budget over the course of 10 years. Do you want to know more? You can review the whole report here.

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• Computer Science Career Advice: Master's in Computer Science vs. Software Engineering?

  - by Everton

  Hello, I am a college student and I am majoring in Computer Science and Applied Mathematics. As I get closer to my senior year I have noticed that continuing my studies is the best choice right for me now. I see that several universities offer an Computer Science Master's Degree and an Software Engineering degree. What are their pros and cons? I feel that while the Computer Science master's degree seems a little too broad the Software Engineering is too restrictive. I did not decide yet between an career of Software development or research ( algorithm development among other things ). Any advice would be greatly apreciated!

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