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  • Java Error Using Loops [migrated]

    - by Shaun
    I am facing a error in Java using the method Loops. I am a basic user learning Java and I am following a book with teaches you the basics of Java. I have this problem when I use this code in my Java Program. It gives me an red line under my code. Here's my code: public class Game{ public static void main(String[] args){ for (int dex = 0; dex < 1000; dex++) { if (dex % 12 == 0) { System.out.println(“#: “ + dex); } } } } I have been following the tutorials correctly. I am a bit lost where I have gone or done wrong. I have my public static codes and such as you'd require in any Java programming. Here's are the error given): Cannot resolve method: 'Println(? , ?)' Expression expected ',' or ')' expected Unexpected Token ';' expected

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  • record and replay directinput events

    - by cloudraven
    I am trying to build a record and replay system for a couple of games. I was wondering if I can make a general replay engine using directinput rather than doing an specific implementation for each game. Recording DirectInput events doesn't seem to be that much of a problem, but I don't know if there is a way to play them back. My question is, is there a way to feed DirectInput events from a log and make DirectInput believe that they came from mouse/joystick/keyboard? I assume it is unlikely, but if there is a way I would be interested in learning about it.

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  • Steps to manage a large project [closed]

    - by l46kok
    Software development is an area where parallel development to its fullest form is very difficult to achieve, although you could get reasonably close with the right design. This is especially true for game development. That being said, if you are designing a game from scratch from engine to front end, what steps should be taken in order? How would you efficiently manage your project and your team? I'm asking because several people and I are interested in working on a relatively large project for learning purposes. Initially, we were going to use a proprietary engine like Unity, but since we wanted to learn how the engine works, we're going to start from bottom. I'd appreciate any suggestions that you guys can provide me.

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  • Most Useful New Technology?

    - by Craig Ferguson
    I'm looking to take a sort of sabbatical, and I'd love to use it to learn a new technology. My question is this: What's the most useful "new" technology for a software engineer to use? Node.js, iOS programming, Android, something else? I'd prefer to stay away from anything too new or experimental, since those are, in my experience, rarely actually used in professional production environments (for better or worse). Does anyone happen to have stats on how many jobs there are for each new technology or have anecdotes about how fun each one is? I've been using python/Django, so that's out, and it's similar to Ruby so i don't think learning Ruby would be that useful to expanding my skills. Anyone have any other ideas?

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  • How to create a simple side scroller game

    - by D34thSt4lker
    I'm still pretty new to game programming and any tutorial that I have worked with stuck to only games with the initial screen. I want to start creating my own games but there are a few things that I still need to learn. One of them is how to create a game that side-scrolls. For example; Mario... Or ANY type of game like that... Can anyone give me a small example to create something like that. I'm not asking for any specific language because currently in school I am learning javascript but I know some c++/java/processing/objective-c as well. So any of those languages would be fine and I could probably implement it in any of the others... I have been searching for some help with this for a while now but could never actually get any help on it. Thanks in advance!

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  • APress deal of the day 13/Sep/2012 - Beginning C# Object-Oriented Programming

    - by TATWORTH
    Today's $10 deal of the day from APress at http://www.apress.com/9781430235309 is Beginning C# Object-Oriented Programming"Beginning C# Object-Oriented Programming brings you into the modern world of development, as you master the fundamentals of programming with C# and learn to develop efficient, reusable, elegant code through the object-oriented programming (OOP) methodology."  Here is a summary of my earlier review:This is a good book to learn C# by doing something practical. The book provides an excellent series of hands-on activities.So should you get a copy for your trainee C# programmers? Yes!Do I recommend it for people learning C# 2010 on their own? Yes!Those of you who have written to me for training in C# (assuming the messages were not from BOTS!), should you buy this book - YES!

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  • Should I understand SVN before I jump to GIT?

    - by John Isaacks
    I work in a department where no one has ever used source control before, including myself. I am trying to push the concept. I have spent a little while researching SVN. I some basics learned. I can Create/update/checkout/commit with command line and from Tortoise. I am starting to learn how to tag and branch but still confused a lot about conflicts between branches and trunk etc. I am still learning, but I do not have a physical person who can show me anything. Its all from books/tutorials and trial and error. From what I have read online it seems like git is the better thing to know, but its also more complicated. I don't want to overwhelm myself. Should I continue to master svn before moving to git or would I be wiser to just jump to git now? Are there pros and cons to both approaches?

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  • are there compiler options in clang? [on hold]

    - by Deohboeh
    I am learning from The C++ Primer. One of the exercises is to compile a program with arguments in main(). For this I am trying to use mac terminal. I need to compile a C++11 Unix executable file named "main" which takes “f" as an argument. I am using Xcode 4.6.3 on OS X Lion. I compiled the program with clang++ -std=c++11 -stdlib=libc++ main.cpp -o main. But don’t know what to do next. I found -frecord-gcc-switches while searching compiler options on google. It does what I need to do. Is there a clang version of this? Please use simple language. I have never used command line before. I tried going through the clang user guide but a lot of it is out of my depth.

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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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  • Is there a way to publish IOS app from windows/Linux?

    - by user65760
    So I have been using Linux(especially, ubuntu) and windows(windows 7) for a long time . But i dont have a MAC, neither do i have an iphone. I do not actually want to buy them either . So the problem here is :how do i publish my app from windows or linux ? Kindly do understand i am not speaking about jailbroken programs(for jail broken i phones), i do not have any one near me who will lend me a MAC to publish my app . I started learning objective C some time ago. However, whenever i search the internet i get this information that there is no full proof way of publishing an app from windows or Linux . I also do intend to make it a paid app, meaning i dont wanna make it free. It will be very helpful if someone can suggest a way to overcome this problem .

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  • Why should I learn vi/vim/emacs? [on hold]

    - by Tom Busby
    I hear all the flame wars about vi/vim and emacs and which is better etc but honestly, I just use sublime. When I have to edit from the CLI I use nano (it's simpler to use). I'm wondering if I'm missing something. Should I put the time/effort into learning one of those text-editors thoroughly, and if so... why? What is it about these two editors that evokes so much adoration and devotion? Why would I want to use any of them over my nice, multi-caret, GUI text editor?

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  • How are vertex shader outs sent as inputs to the fragment shader?

    - by Jeffrey
    I'm learning some OpenGL 3.2 way of doing things and I think it's quite great, I'm actually understanding more of shaders and non-fixed pipeline in 1 week rather than those 2 years I tried to learn OpenGL fixed pipeline functions. But here's my question: From what I think I've understood the vertex shader is run for each vertexes in the VBO. But the fragments shader is run per each pixel (is that right?) which is a huge number compared to let's say 3 vertexes of a triangle. Now it seems that in the vertex shader the out variables (like colors and stuff) are passed 1 to 1 to the fragment shader. But let's say that I pass to the fragment shader the position of the vertex in the vertex shader. How is all executed? What vertex (A, B or C of the hipothetical triangle) is passed per each fragment and why?

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  • Will C++ remain viable for game engines in somewhat distant future?

    - by samual
    C++11 has opened ways, which were only dreamt by the C++ programmers. It has been three years since I have been learning C++, and I am going well. Now I want to get into vedio games. Every core of the game code I saw, was monstourously writtern in C++. My question is - If I get into serious game engine dev, and perfecting it would take, maybe say 10 years, would we still be writing game engines in C++ ?(newer standard) Or, will John Carmack, write id tech 7 in c++? note - I am strictly talking about game engines.

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  • REGISTER NOW! ORACLE HARDWARE SALES TRAINING: HARDWARE AND SOFTWARE - ENGINEERED TO BE SOLD TOGETHER!

    - by mseika
    REGISTER NOW!ORACLE HARDWARE SALES TRAINING: HARDWARE AND SOFTWARE - ENGINEERED TO BE SOLD TOGETHER! Dear partner You can now register for Oracle's EMEA Hardware Sales Training Roadshow: "Hardware and Software - Engineered to be sold together!"The objective of this one-day, face-to-face, free of charge training session is to share with you and your Oracle peers the latest information on Oracle's products and solutions and to ensure that you are fully equipped to position and sell Oracle's integrated stack. Please find the agenda, schedule details and registration information here.The seats are limited and available on a first-come-first-serve basis. We recommend you to register yourself as early as possible and reserve your seat.Register Now We hope you will take the maximum advantage of these great learning and networking opportunities and look forward to welcoming you to your nearest event! Best regards, Giuseppe FacchettiPartner Business Development Manager,Servers, Oracle EMEA Sasan MoaveniStorage Partner Sales ManagerOracle EMEA

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  • How do I change local display resolution via SSH?

    - by krumble1
    I have a machine running Ubuntu Server 12.04 LTS and I'm having problems with the local monitor. The Dell flat panel I'm using only displays this message while the computer running: "Cannot Display This Video Mode" and then the information: "Optimum resolution 1280x1024 60Hz". I'm fairly new to using an operating system wholly via command line but I'm learning fast. :) I can access the server fine via SSH so using it is not a problem. However, for where it is positioned at the moment, it would be much more convenient to use the computer locally. I'm just wondering how to change the local screen resolution via SSH to something usable by my monitor. Thanks for your time! BTW: I have also tried switching displays and I still have the same problem. Also BTW: I tried putting in the xrandr command and all I get back is: Can't open display

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  • E-Commerce Website

    - by haargott
    I am planning to create an e-commerce website for users to buy products and services. In this website I want users to register and also participate in something like a browser game, where every user may receive some questions which they have to answer. For each question they successfully answered, they receive points and the number of collected points will decide on which rank they are. Edit 2 Currently I am considering using only HTML, CSS, JavaScript, PHP, SQL to design this e-commerce website. Together with this I was thinking about learning jQuery as it may help me, but I am not sure if I should code everything specifically by myself or just use the library to make it faster. 1) Could you tell me if those languages are sufficient enough for creating such a website described? 2) Could you tell me what kind of free software tools and frameworks are most appropriate to use when creating this e-commerce website?

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  • Creating an Interface To a Language's Standard Library?

    - by Nathan Arthur
    In the process of learning test-driven development, I've been introduced to dependency injection and the use of interfaces, and have started using these concepts in my own PHP code in order to make it more testable. There have been times when I've needed to test code that was doing things like calling the PHP time() function. In order to make these tests predictable, it seemed logical to create an interface to the standard PHP functions I use so that I can mock them out in my tests. Is this good software design? What are the pros and cons of doing this? I've found myself groaning at how quickly my PHP interface can stick its fingers into everything I do. Is there a better way to make code that relies on PHP-accessed state and functions more testable?

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  • Getting Started Integrating Windows Azure with Microsoft Office Solutions

    Nearly everyone starts learning anything new by beginning with something simple and adding incremental knowledge. One of the biggest challenges with Windows Azure and SQL Azure is that the simple beginning seems a bit more elusive. The "Hello World" application in the new world of cloud computing, while not overly complex in concept, requires a good measure of preparation and configuration. The following content is designed to aid you in getting started with Windows Azure and SQL Azure in the spirit...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Setting Up and Running Summary Advisor on an Exalytics Machine (Oracle-by-Example)

    - by Saresh
    If you are running Oracle BI on an Exalytics machine, you can use Summary Advisor to identify the aggregates that will increase query performance. Summary Advisor intelligently recommends an optimal list of aggregate tables based on query patterns that will achieve maximum query performance gain while meeting specific resource constraints. Summary Advisor then generates an aggregate creation script that can be run to create the recommended aggregate tables. Aggregate tables reduce query times by storing precomputed results for queries that include rolled-up data. This tutorial covers steps to set up, configure, and run Summary Advisor on an Exalytics machine using TimesTen database as a target for storing aggregates. You can find the Oracle By Example (OBE) in the Oracle Learning Library (OLL). The content in OLL is available to all customers, partners, and employees.

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  • installed 12.04 fine. updated graphics driver. now solid puprle screen.

    - by Zephium
    Purchased a new msi ge 70 series labtop. nvidia card gtx 765m. updated driver after install, and ran update manager. All seems well. restarted as required. Now i have a solid purple screen, even if i use boot menu to recovery mode. all i can do is access grub menu 3.10. live cd will run but i get purple screen and cant see choices. please help and im still learning ubuntu. noob talk prefered. i hate making more mistakes. Thanks also tryed changing lines of kernal code using "e" on boot menu, nomodeset and the like. not helping. any way to fix problem through grub?

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  • Learn Advanced ADF Online, For Free

    - by Grant Ronald
    The second part of the advanced ADF on line ecourse is now live.  This covers the advanced topics of region and region interaction as well as getting down and dirty with some of the layout features of ADF Faces, skinning and DVT components.  The aim of this course is to give you a self-paced learning aid which covers the more advanced topics of ADF development.  The content is developed by Product Management and our Curriculum development teams and is based on advanced training material we've been running internally for about 18 months. We'll get started on the next chapter, but in the meantime, enjoy chapters one and two.

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  • Ruby: if statement using regexp and boolean operator [migrated]

    - by bev
    I'm learning Ruby and have failed to make a compound 'if' statement work. Here's my code (hopefully self explanatory) commentline = Regexp.new('^;;') blankline = Regexp.new('^(\s*)$') if (line !~ commentline || line !~ blankline) puts line end the variable 'line' is gotten from reading the following file: ;; alias filename backupDir Prog_i Prog_i.rb ./store Prog_ii Prog_ii.rb ./store This fails and I'm not sure why. Basically I want the comment lines and blank lines to be ignored during the processing of the lines in the file. Thanks for your help.

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  • Should Scala IDE Worksheets be part of your open git repository?

    - by JacobusR
    Those familiar with Scala IDE will know about the great testing environment offered by the Scala Worksheet. You can scribble and scratch, much like in the REPL, but with all the goodness added by the IDE as a whole (refactoring, saving, error checking, etc). When you create a worksheet, it is created with the .sc extension, and also creates a artifact under a hidden directory called .worksheet. This is all fine and dandy, but should one include these in your public .git repositories? People who does not use Scala IDE (or older versions) may find these files confusing. On the other hand, making some of your experiments public to developers who are using Scala IDE, may give them a quick start into experimenting and learning the project.

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  • PLS HELP!!How to boot windows 7 after installing ubuntu 12.10?

    - by user113553
    Im new to linux and im interested in learning it so I installed ubuntu 12.10 yesterday. Installation went smoothly and i chose "install alongside windows option" and I set about 50 gb using that slider and i tot i used 50 gb from c: drive but to my shock it used 50 gb space from f: drive. This was my first shock.Then when i restarted n tried to log into windows, nothing happened a black screen appeared saying "To restart press alt+ctrl+delete" but even pressing that it wont restart. No matter how many times i try rebooting windows is not booting same black screen saying restart appears. But i can log in to ubuntu and i can see that windows c: drive is fine. PLEASE HELP ME!!!!

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  • Creating a simple 2d game with C++: Where to go first? [on hold]

    - by Lucas Vieira
    I'm starting to build a little school project. (I have a prior experience with php, python and java, and i'm learning c++ now). My part is simple, create a game, like this pong http://www.ponggame.org/ The problem is that I've never programmed a game before. I was looking the possibilities, maybe use QT? Or is there other library better for my case? Since i don't want to reinvent the wheel, where to start with? Thank you, guys!

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