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• Where is a good place to learn how to develop games?

  - by pringlesinn

  I'm brazilian and I want to learn how to develop a game in some college or something like that, but I don't know any place here to learn it. Here is not that good either to develop games, as we don't have many companies to do that. So, I was thinking about working in some place else, while I study it. What I really want to know is, a good place to learn, and a country that developers are well payed to be able to pay my course and still have money to do something else. I'm a Java programmer, still learning a lot, but I want to do it later. A few years from now.

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• How do I create tileable solid noise for map generation?

  - by nickbadal

  Hey guys, I'm trying to figure out how to generate tileable fractals in code (for game maps, but that's irrelevant) I've been trying to modify the Solid Noise plug-in shipped with GIMP (with my extremely limited understanding of how the code works) but I cant get mine to work correctly. My modified code so far (Java) GIMP's solid noise module that I'm basing my code off of (C) Here is what I'm trying to achieve but This is what I'm getting So if anybody can see what I've done wrong, or has a suggestion how I could go about doing it differently, I'd greatly appreciate it. Thanks in advance. And if I'm asking way to much or if just a huge failure at life, I apologize.

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• Estimating costs in a GOAP system

  - by fullwall

  I'm currently developing a GOAP system in Java. An explanation of GOAP can be found at http://web.media.mit.edu/~jorkin/goap.html. Essentially, it's using A* to plot between Actions that mutate the world state. To provide a fair chance for all Actions and Goals to execute, I'm using a heuristic function to estimate the cost of doing something. What is the best way to estimate this cost so that it is comparable to all the other costs? As an example, estimating the cost of running away from an enemy versus attacking it - how should the cost be calculated to be comparable?

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• How to track/sniff mp3 files posted on Zippyshare.com? [closed]

  - by Stoan

  I'm not sure if this is a right place to ask this question, We starting a indie recording label, I want to minimize piracy of our music. I want to track/sniff our songs that are posted to Zippyshare.com How can I right a tool to automate this process? we would supply our song names and it would search and notify us if our songs are posted on Zippyshare.com. I'm a junior Java developer. I'm looking for direction on how to right an app that would achieve this, any help is appreciated. Thanks

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• Anyone know about AppDynamics? Does Microsoft already have something similiar? Event viewer? Im confused

  - by punkouter

  We have a big collection of java (80%) and .Net (20%) apps.. And the people in charge want a way to monitor the applications somehow. So they told me they are interested in AppDynamics? I have spent a bit looking into it but I still don't get it. Can someone tell me what its about ? From my understanding it seems like you would someone inject the AppDynamics API in your code to tell about differnt events that occur? So sounds like Event Viewer ? I am on the .NET side of this and seems to me we can just write data to a log and report off of that data.. I don't get what the additional complexity of using'AppDynamics' does. Maybe it is overkill ??

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• JavaOne 2012: JDBC Community Discussion

  - by sowmya

  At JavaOne2012, Mark Biamonte of DataDirect Technologies and Lance Andersen of Oracle organized a discussion about JDBC. To learn more about using JDBC to develop database applications, see the JDBC trail in the Java Tutorials. You will know how to use the basic JDBC API to * create tables * insert values into them * query the tables * retrieve the results of the queries * update the tables In this process, you will learn how to use simple statements and prepared statements, and see an example of a stored procedure. You will also learn how to perform transactions and how to catch exceptions and warnings. - Sowmya

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• How can I designed multi-threaded application for larger user base

  - by rokonoid

  Here's my scenario, I need to develop a scalable application. My user base may be over 100K, every user has 10 or more small tasks. Tasks check every minute with a third party application through web services, retrieving data which is written in the database, then the data is forwarded to it's original destination. So here's the processing of a small task: while(true){ Boolean isNewInformationAvailable = checkWhetherInformationIsAvailableOrNot(); If(isNewInformationAvailable ==true){ fetchTheData(); writeToDatabase(); findTheDestination(); deliverTheData(); isAvailable =false; } } Here is the question: as the application is large, how should I approach designing this. I'm going to use Java to write it. Should I use concurrency, and how would you manage the concurrency?

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• Getting data from csv file and returning objects in collections

  - by Jacob

  I have very simple class of person as below: public class Person { int ID; Gender gender; Date dateOfBirth; public Person(final int iD, final Gender gender,final Date dateOfBirth) { ID = iD; this.gender = gender; this.dateOfBirth = dateOfBirth; } } Gender is enum : public enum Gender { Male, Female } In CSV file i will have data, for example: 1;Male;23-02-2001 2;Female;11-06-1989 3;Male;02-12-1999 Is in java any simple way to get all persons from csv file and return it as ArrayList<Person> persons ?

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• Le projet Jigsaw officiellement repoussé à Java 9, la modularisation attendra 2015 mais une proposition d'amélioration prépare le terrain

  Le projet Jigsaw officiellement repoussé à Java 9, la modularisation attendra 2015 Mais une proposition d'amélioration de Java 8 prépare le terrain Le projet Jigsaw, dont le but est la mise en place d'un système de modules et la mise en oeuvre de modularité pour la plate-forme Java SE, a été prévu à l'origine pour Java 7. Il a été reporté ensuite à Java 8 et vient d'être officiellement repoussé à Java 9, prévue pour 2015. [IMG]http://idelways.developpez.com/news/images/jdk8-jigsaw.png[/IMG] Ce report est la conclusion d'une proposition de l'architecte en chef du Groupe de plate-forme Java chez Oracle, le dénommé Mark Reinhold. Dans son blog, Reinhold fait ...

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• Any advices for improvement of skills?

  - by Qwertyu Wertyu

  I've been programming in Java for about 3 months. My current aim is to improve my qualifications in this language. I've read on some forum, that the best way is to take part in some open-source projects. But I have no idea, how to search for ones that corresponds to my current experience. My questions are: 1. Are there some advices on how can I improve my skills? 2. How can I find and join open-source projects that corresponds my experience?

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• Data structures for a 3D array

  - by Smallbro

  Currently I've been using a 3D array for my tiles in a 2D world but the 3D side comes in when moving down into caves and whatnot. Now this is not memory efficient and I switched over to a 2D array and can now have much larger maps. The only issue I'm having now is that it seems that my tiles cannot occupy the same space as a tile on the same z level. My current structure means that each block has its own z variable. This is what it used to look like: map.blockData[x][y][z] = new Block(); however now it works like this map.blockData[x][y] = new Block(z); I'm not sure why but if I decide to use the same space on say the floor below it wont allow me to. Does anyone have any ideas on how I can add a z-axis to my 2D array? I'm using java but I reckon the concept carries across different languages.

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• Releasing patches and updates to web service users

  - by Kalidoss.M

  I have written one web services using Java. Its already live (Up & Running). During development I have SVN(repository) + Jira for task maintenance + Maven for building the web services. Now i have some small update for my web services and i have created that task in Jira and committed the files in svn with respect to Jira-Id after all testing, etc.. Say my web services is used by 10 clients, we did not give our source code to them. Is there any steps/procedure available to release patch/updates? Is there any way to render/create the change log at the build time (maven). How do i manage the change log for all version or Patch updates during build time? (Automatically)

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• How do I get started with fog type effects in a first person game?

  - by Dream Lane

  Hey guys, I'm currently using JME3 to learn 3d game development in java, and I have run into a situation. I would like to add fog effects to my games, but I don't even know where to start to implement this. I know how to set the camera's far frustum to limit the render distance, but that just simply makes a sharp cutoff. I'd like the fog it up a bit to make it feel more natural. I'm looking for an answer that points me into the correct direction. I'm not looking for specific code snippets or even JME3's engine specifics. I just want to get an idea of how this stuff works in general. Thanks!

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• How does N create it's tileset?

  - by Darestium

  I am trying to recreate a Multiplayer version of the popular flash game N in java. I have a single question however. Are the tiles for the games draw or are they defined with mathamatical formulars/In code? Since I do see how they would scale up in flash if they were not. So if anyone has any ideas how I should go about creating the tileset, or how they are created in the game please let me know. You can check out the game here.

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• Credit Card Payment Processing which APIs do you use?

  - by user3330840

  It's for a Point of Sale Terminal where the customer will bring the physical credit card and it will be swiped through the terminal. The business has a merchant account on some banks. So, how do I start accepting credit cards in my app? The credit cards that needs to be accepted include: visa, master-card, amex, discover. Which APIs do I need to use? The programming language doesn't matter it can be in any programming languages Java/C#/C++/Python or anything. Will there be a single API or multiple APIs that need to be integrated? (I know some about PCI compliance and security encryption)

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• Nifty gui hide/show image

  - by Mario

  I have a simple screen made with Nifty gui. On this game screen I want to put a simple image controls sound: just on and not. So I have two images to switch and get music stop or run. Problem is: how can I hide/disply an image with nifty gui? Here my java code when player click on image: Screen screen = nifty.getCurrentScreen(); Element el = screen.findElementByName("iconOn"); el.setVisible(false); el = screen.findElementByName("iconOff"); el.setVisible(true); This code doesn't work :( Thanks to everyone could help me

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• Dynamic Strategy Pattern [migrated]

  - by Karl Barker

  So I'm writing a web service architecture which includes FunctionProvider classes which do the actual processing of requests, and a main Endpoint class which receives and delegates requests to the proper FunctionProvider. I don't know exactly the FunctionProviders available at runtime, so I need to be able to 'register' (if that's the right word) them with my main Endpoint class, and query them to see if they match an incoming request. public class MyFunc implements FunctionProvider{ static { MyEndpoint.register(MyFunc); } public Boolean matchesRequest(Request req){...} public void processRequest(Request req){...} } public class MyEndpoint{ private static ArrayList<FunctionProvider> functions = new ArrayList<FunctionProvider>(); public void register(Class clz){ functions.add(clz); } public void doPost(Request request){ //find the FunctionProvider in functions //matching the request } } I've really not done much reflective Java like this (and the above is likely wrong, but hopefully demonstrates my intentions). What's the nicest way to implement this without getting hacky?

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• Is there any map maker for javaME game?

  - by user1494517

  For the past two weeks I was trying to make a map maker for my java ME 2D RPG game. I failed because i get errors using slick TWL and the forum for this is inactive. So I just wondered is there anyone that knows slick TWL (Themable Widget Library)? Or maybe do you know a good MapMaker where i could upload my map elements build a map and get numbers to use them for building map with LayerManager class? Already found one http://sourceforge.net/projects/tilemapeditor2d/. But the thing is my map elements are in different .png images. In one of those images there is 16 elements (trees water and etc) and those kind of images are 29. So it would be hard to build a map with LayerManager Well I was thinking putting everything into one image and that way it would be simplier.

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• How to learn to translate real world problems to code?

  - by StudioWorks

  I'm kind of a beginner to Java and OOP and I didn't quite get the whole concept of seeing a real world problem and translating it to classes and code. For example, I was reading a book on UML and at the beginning the author takes the example of a tic tac toe game and says: "In this example, it's natural to see three classes: Board, Player and Position." Then, he creates the methods in each class and explains how they relate. What I can't understand is how he thought all this. So, where should I start to learn how to see a real world problem and then "translate" it into code?

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• Installing programs from a download

  - by user7274

  Hello, my name is Anthony and I'm new to Ubuntu and any other Linux OS for that matter. My question concerns downloading a program, and then installing it. The program is called Remotedroid, it lets you use your phone as a wireless keyboard and mouse. I'm use to windows automatically starting setup upon download and cant figure out how to initiate the install in Ubuntu. The programs website says its compatible with Linux OS and the readme file says to just click the extension remotedroidserver.jar to use, but it wont work and none of the files do anything. I've unzipped all the files and my Java is all up to date as far as i know, I think. I'm just not getting how to run a setup in Ubuntu. I looked around this site for the answer but came up with nothing so if someone could maybe offer some insight I would be grateful. Thank you.

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• Browser game in JSP? [closed]

  - by Constant

  I want to develop a browser-game (like ogame, travian) and I have some doubts in which technologies should I use. I was thinking in a server-side in JSP,Java and a client-side in HTML (or HTML5 if I learn to give it good use). Do you think my choices are right? I would like to make a board where many players could move simultaneously between tiles or squares. Do you think is possible in JSP or I should start with other language? Any suggestion aprecciated, and apologies for my english. Thank you! Regards!

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• Fast language for problem solving? [closed]

  - by Friend of Kim

  I learned PHP to make websites. After some years I've started using programming for solving what is difficult tasks for my level. Now I want to make a program that solves equations. (I want to write it myself, not use an API. Because I'm doing this for the sake of the challenge, not for the result..) Because of this, I'm going to learn a new and faster/better language. It's going to be C++, Java, Python or C#. What are the benefits of each language, and which language is best for speed compared to speed of writing and readability? Using C would be lightning fast, but the lack of OO is making for more complex code and reduces the readability, for example..

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• Why is it good to split a program into multiple classes?

  - by user1276078

  I'm still a student in high school (entering 10th grade), and I have yet to take an actual computer course in school. Everything I've done so far is through books. Those books have taught me concepts such as inheritance, but how does splitting a program into multiple classes help? The books never told me. I'm asking this mainly because of a recent project. It's an arcade video game, sort of like a flash game as some people have said (although I have no idea what a flash game is). The thing is, it's only one class. It works perfectly fine (a little occasional lag however) with just one class. So, I'm just asking how splitting it into multiple classes would help it. This project was in JAVA and I am the only person working on it, for the record.

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• How to make a jar file run on startup & and when you log out?

  - by RanZilber

  I have no idea where to start looking. I've been reading about daemons and didn't understand the concept. More details : I've been writing a crawler which never stops and crawlers over RSS in the internet. The crawler has been written in java - therefore its a jar right now. I'm an administrator on a machine that has Ubuntu 11.04 . There is some chances for the machine to crash , so I'd like the crawler to run every time you startup the machine. Furthermore, I'd like it to keep running even when i logged out. I'm not sure this is possible, but most of the time I'm logged out, and I still want to it crawl. Any ideas? Can someone point me in the right direction? Just looking for the simplest solution.

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• How can I design multi-threaded application for larger user base

  - by rokonoid

  Here's my scenario, I need to develop a scalable application. My user base may be over 100K, every user has 10 or more small tasks. Tasks check every minute with a third party application through web services, retrieving data which is written in the database, then the data is forwarded to it's original destination. So here's the processing of a small task: while(true){ Boolean isNewInformationAvailable = checkWhetherInformationIsAvailableOrNot(); If(isNewInformationAvailable ==true){ fetchTheData(); writeToDatabase(); findTheDestination(); deliverTheData(); isAvailable =false; } } As the application is large, how should I approach designing this? I'm going to use Java to write it. Should I use concurrency, and how would you manage the concurrency?

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