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  • Game engine design: Multiplayer and listen servers

    - by jarx
    My game engine right now consists of a working singleplayer part. I'm now starting to think about how to do the multiplayer part. I have found out that many games actually don't have a real singleplayer mode, but when playing alone you are actually hosting a local server as well, and almost everything runs as if you were in multiplayer (except that the data packets can be passed over an alternate route for better performance) My engine would need major refactoring to adapt to this model. There would be three possible modes: Dedicated client, Dedicated server and Client-Server (listen mode) * How often is the listen-server model used in the gaming industry? * What are the (dis)advantages of it? * What other options do I have?

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  • Using NBuilder to mock up a data driven UI - Part 1

    In this article we will take a look at a fairly new open source project called NBuilder (http://www.nbuilder.org and http://code.google.com/p/nbuilder/) and how it can be used to provide us with fake data out of the gate. NBuilder allows you to quickly stand up generated objects based on standard .net types in an easy fluent manner. And that is just the start!

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  • Webshop in Europe with high revenues.. what to use?

    - by Patrick
    I need to build a webshop for a customer with an weekly revenues more than 40.000 euros Location: Europe I was thinking to use Paypal Standard Payment (in this case the customer needs to contact paypal given the above mentioned revenues, right ? Any other solution for an european web shops ? (i.e. Paypal Payments Pro doesn't work in Europe) Also, is there any pre-built service.. to make such webshop ? thanks

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  • The Art of Motion Capture [Video]

    - by Jason Fitzpatrick
    Motion capture is the process of using cameras and actors wearing special suits in order to build realistic and fluid foundations for CGI characters. Watch this informative video to see how the process works. Courtesy of the video series Good Job, a series focused on interesting jobs within the film and video game industry, we see how martial artists wearing special suits dotted with LEDs generate the basic framework for the fighters in the popular video game series Tekken. [via Neatorama] HTG Explains: Why Linux Doesn’t Need Defragmenting How to Convert News Feeds to Ebooks with Calibre How To Customize Your Wallpaper with Google Image Searches, RSS Feeds, and More

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  • How can I share my python scripts with my less python-savvy business person partner?

    - by Alex
    I'm taking financial mathematics as an elective, and I'm working with real life finance industry worker type people. It's actually kind of fun. When I pulled out a macbook at one of our meetings, I had four lifelong windows users look at me like I had three heads. Anyway, I'm helping with design and simulation of our trading strategy, and I wrote a little thing using matplotlib to visualize historical stock data. However, these guys don't know how to use git, or install python, or deal with path-related package management things. I need to be able to send my scripts to them to use, and I need to do it with absolutely minimal effort on their part. I was thinking something on the lines of py2exe, but I'd like to hear some advice before I go ahead.

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  • Game state management (Game, Menu, Titlescreen, etc)

    - by munchor
    Basically, in every single game I've made so far, I always have a variable like "current_state", which can be "game", "titlescreen", "gameoverscreen", etc. And then on my Update function I have a huge: if current_state == "game" game stuf ... else if current_state == "titlescreen" ... However, I don't feel like this is a professional/clean way of handling states. Any ideas on how to do this in a better way? Or is this the standard way?

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  • La neuvième bêta de Firefox 4 intègrera IndexedDB, un sous-ensemble de l'HTML5 pour le stockage de données côté client

    La neuvième bêta de Firefox intègrera IndexedDB Un sous-ensemble de l'HTML5 pour le stockage de données côté client Mise à jour du 14/11/2011 par Idelways La fondation Mozilla vient de prendre la décision d'intégrer son implémentation du sous-composant de l'HTML5 IndexedDB à la neuvième bêta de Firefox 4 qui sortira dans les jours qui viennent. IndexedDB est une ébauche de standard (encore au stade de brouillon auprès du W3C) qui devrait munir le navigateur d'une bases de données locale pouvant garder d'importantes quantités d'informations sous forme de valeurs simples ou d'objets hiérarchisés. Ave...

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  • Protect and Improve your Software with SmartAssembly 5

    - by Bart Read
    SmartAssembly 5 has been released. You can download a 14-day fully-functional free trial from: http://www.red-gate.com/products/smartassembly/index.htm This is the first major release since Red Gate acquired the tool last year, and our focus has mainly been on improving the quality of an already great tool. We've also simplified the licensing model so that there are now only three editions: Standard - bullet-proof protection at a bargain price, Pro - includes the SDK & custom web server...(read more)

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  • Oracle University: Fusion Middleware Certification News

    - by rituchhibber
    The following exam has recently has recently gone into Production: Title and exam code Certification Track Oracle Fusion Middleware 11g: Build Applications with Oracle Forms Oracle Certified Professional, Oracle Fusion Middleware 11g Forms Developer Full preparation details are available on the exam page, including prerequisites for this certification, exam topics and pricing. Remember: Your OPN discount is applied to the standard pricing shown on the website. Exams can be taken at an Oracle Test Center near you or at any Pearson VUE Testing Center.

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  • Do you count a Masters in CS as a negative?

    - by Pete Hodgson
    In my experience interviewing developers I feel like candidates who've achieved a Masters in Comp Sci tend to be worse programmers on average that those who don't have a Masters. Is that just me, or have others noticed this phenomenon? If so, why would that be the case? UPDATE I appreciate the thoughtful comments. I think I should have been clearer in the comparison I'm making. Given two candidates who graduated from college around the same time, someone who went on to gain a Masters seems on average to be a worse programmer than someone who spent all their time in industry.

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  • Happy New Year from Oracle Technology Network!

    - by Cassandra Clark
    Happy New Year from the Oracle Technology Network team! All year long we have been working hard to bring you new member only offers and discounts. This month our partners have extended their offers an extra month in case you missed taking advantage of them due to the holidays. Visit the OTN Member Benefit Page today! Get discounts on Oracle Press, Packt Publishing, Manning, Apress, O'Reilly and CRC Press books. We also have discounts on Oracle products (Weblogic Server this month), fun wallpapers to download, discounts on industry events (QCon London) and on the Dr. Dobb's DVD release 6. If you'd like to see any offers/discounts added please respond in the comment section or take the OTN Membership Survey before it closes at the end of this month.

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  • Management Software in Java for Networked Bus Systems

    - by Geertjan
    Telemotive AG develops complex networked bus systems such as Ethernet, MOST, CAN, FlexRay, LIN and Bluetooth as well as in-house product developments in infotainment, entertainment, and telematics related to driver assistance, connectivity, diagnosis, and e-mobility. Devices such as those developed by Telemotive typically come with management software, so that the device can be configured. (Just like an internet router comes with management software too.) The blue AdmiraL is a development and analysis device for the APIX (Automotive Pixel Link) technology. Here is its management tool: The blue PiraT is an optimised multi-data logger, developed by Telemotive specifically for the automotive industry. With the blue PiraT the communication of bus systems and control units are monitored and relevant data can be recorded very precisely. And here is how the tool is managed: Both applications are created in Java and, as clearly indicated in many ways in the screenshots above, are based on the NetBeans Platform. More details can be found on the Telemotive site.

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  • Advice for a distracted, unhappy, recently graduated programmer? [closed]

    - by Re-Invent
    I graduated 4 months ago. I had offers from a few good places to work at. At the same time I wanted to stick to building a small software business of my own, still have some ideas with good potential, some half done projects frozen in my github. But due to social pressures, I chose a job, the pay is great, but I am half-passionate about it. A small team of smart folks building useful product, working out contracts across the world. I've started finding it extremely boring. Boring to the extent that I skip 2-3 days a week together not doing work. Neither do I spend that time progressing any of my own projects. Yes, I feel stupid at the way I'm wasting time, but I don't understand exactly why is it happening. It's as if all the excitement has been drained. What can I do about it? Long version: School - I was in third standard. Only students, 6th grade had access to computer labs. I once peeked into the lab from the little door opening. No hard-disks, MS DOS on 5 1/2 inch floppies. I asked a senior student to play some sound in BASIC. He used PLAY to compose a tune. Boy! I was so excited, I was jumping from within. Back home, asked my brother to teach me some programming. We bought a book "MODERN All About GW-BASIC for Schools & Colleges". The book had everything, right from printing, to taking input, file i/o, game programming, machine level support, etc. I was in 6th standard, wrote my first game - a wheel of fortune, rotated the wheel by manipulating 16 color palette's definition. Got internet soon, got hooked to QuickBasic programming community. Made some more games "007 in Danger", "Car Crush 2" for submission to allbasiccode archives. I was extremely excited about all this. My interests now swayed into "hacking" (computer security). Taught myself some perl, found it annoying, learnt PHP and a bit of SQL. Also taught myself Visual Basic one of the winters and wrote a pacman clone with Direct X. By the time I was in 10th standard, I created some evil tools using visual basic, php and mysql and eventually landed myself into an unpaid side-job at a government facility, building evil tools for them. It was a dream come true for crackers of that time. And so was I, still very excited. Things changed soon, last two years of school were not so great as I was balancing preps for college, work at govt. and studies for school at same time. College - College was opposite of all I had wished it to be. I imagined it to be a place where I'd spend my 4 years building something awesome. It was rather an epitome of rote learning, attendance, rules, busy schedules, ban on personal laptops, hardly any hackers surrounding you and shit like that. We had to take permissions to even introduce some cultural/creative activities in our annual schedule. The labs won't be open on weekends because the lab employees had to have their leaves. Yes, a horrible place for someone like me. I still managed to pull out a project with a friend over 2 months. Showed it to people high in the academia hierarchy. They were immensely impressed, we proposed to allow personal computers for students. They made up half-assed reasons and didn't agree. We felt frustrated. And so on, I still managed to teach myself new languages, do new projects of my own, do an intern at the same govt. facility, start a small business for sometime, give a talk at a conference I'm passionate about, win game-dev and hacking contest at most respected colleges, solve good deal of programming contest problems, etc. At the same time I was not content with all these restrictions, great emphasis on rote learning, and sheer wastage of time due to college. I never felt I was overdoing, but now I feel I burnt myself out. During my last days at college, I did an intern at a bigco. While I spent my time building prototypes for certain LBS, the other interns around me, even a good friend, was just skipping time. I thought maybe, in a few weeks he would put in some serious efforts at work assigned to him, but all he did was to find creative ways to skip work, hide his face from manager, engage people in talks if they try to question his progress, etc. I tried a few time to get him on track, but it seems all he wanted was to "not to work hard at all and still reap the fruits". I don't know how others take such people, but I find their vicinity very very poisonous to one's own motivation and productivity. Over that, the place where I come from, HRs don't give much value to what have you done past 4 years. So towards the end of out intern, we all were offered work at the bigco, but the slacker, even after not writing more than 200 lines of code was made a much better offer. I felt enraged instantly - "Is this how the corp world treats someone who does fruitful, if not extra-ordinary work form them for past 6 months?". Yes, I did try to negotiate and debate. The bigcos seem blind due to departmentalization of responsibilities and many layers of management. I decided not to be in touch with any characters of that depressing play. Probably the busy time I had at college, ignoring friends, ignoring fun and squeezing every bit of free time for myself is also responsible. Probably this is what has drained all my willingness to work for anyone. I find my day job boring, at the same time I with to maintain it for financial reasons. I feel a bit burnt out, unsatisfied and at the same time an urge to quit working for someone else and start finishing my frozen side-projects (which may be profitable). Though I haven't got much to support myself with food, office, internet bills, etc in savings. I still have my day job, but I don't find it very interesting, even though the pay is higher than the slacker, I don't find money to be a great motivator here. I keep comparing myself to my past version. I wonder how to get rid of this and reboot myself back to the way I was in school days - excited about it, tinkering, building, learning new things daily, and NOT BORED?

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  • Is listing developer's full names in splash screen or about box still a widely spread and desirable practice?

    - by Pierre 303
    Just like in the closing credits of movies, some software vendors list the full names of the team that worked on the piece of software you are using. They are usually displayed in the splash screen (Photoshop) ... or in the about box (Traktor). In the demoscene, it is a mandatory practice, like in the movie industry. How do you see that in your own software? Is there any reason why not doing it? Is there any reason encouraging companies to do it?

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  • Tell me a Story

    - by Geoff N. Hiten
    I recently had a friend ask me to review his resume.  He is a very experienced DBA with excellent skills.  If I had an opening I would have hired him myself.  But not because of the resume.  I know his skill set and skill levels, but there is no way his standard resume can convey that.  A bare bones list of job titles and skills does not set you apart from your competition, nor does it convey whether you have junior or senior level skills and experience.  The solution is to not use the standard format. Tell me a story.  I want to know what you were responsible for.  Describe a tough project and how you saved time/money/personnel on that project.  Link your work activity to business value.  Drop some technical bits in there since we do work in a technical field, but show me what you can do to add value to my business well above what I would pay you.  That will get my attention. The resume exists for one primary and one secondary reason.  The primary reason is to get the interview.  A Resume won’t get you a job, so don’t expect it to.  The secondary reason is to give you and the interviewer a starting point for conversations.  If I can say “Tell me more about when….” and reference an item from your resume, then that is great for both of us.  Of course, you better be able to tell me more, both from the technical and the business side, at least if I am hiring a senior or higher level position.  As for the junior DBAs, go ahead and tell your story too.  Don’t worry about how simple or basic your projects or solutions seem.  It is how you solved the problem and what you learned that I am looking for.  If you learn rapidly and think like a DBA, I can work with that, regardless of you current skill level.

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  • Configure xfce4-screenshooter settings

    - by rubo77
    xfce4-screenshooter is the standard screenshot program in XFCE on Xubuntu. How can I configure the settings about which format it saves the screenshot in and in which folder? I noticed, that my settings I made in shutter also affect the settings of xfce4-screenshooter (but not all). EDIT: The man page sais, there is an -o option to open it with an external program. How can I make this default? Then I could set there an external program, that automatically compresses the screenshot to an emailable size

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  • How do I hide my custom Unity panel indicators from another user account on the same machine?

    - by Inkayacu
    I created a second user account on my machine, making it a "standard" user account. When I log into that account, most of the panel indicators I've added in my own administrator user account show up here as well -- but not all of them (e.g., the cpufreq indicator shows up in both accounts, but the multiload indicator does not show up in the second account). I'd like to prevent everything but the default panel indicators from a fresh Ubuntu install showing up in the second user's panel.

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  • HDMI not detected Ubuntu 12.10 - ATI Radeon HD 6670

    - by Keith Wilson
    Brand new to Linux, so help a young blood out :-) (I'm a novice/hobby programmer, but completely new to Linux command syntax, etc) Brand new everything Rig. Fresh install of Ubuntu 12.10. Ubuntu installed everything and updates. I am getting VGA output and sound through standard sound port on mb. However the HDMI port on the radeon card is not recognized and not available. Any help getting this detected and usable?

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  • Is "watermarking" code with random trailing whitespace a good way to detect plagiarism?

    - by paperjam
    Consider this: int f(int x) { return 2 * x * x; } and this int squareAndDouble(int y) { return 2*y*y; } If you found these in independent bodies of code, you might give the two programmers the benefit of the doubt and assume they came up with more-or-less the same function independently. But look at the whitespace at the end of each line of code. Same pattern in both. Surely evidence of copying. On a larger piece of code, correlation of random whitespace at line ends would be irrefutable evidence of a shared origin. Now aside from the obvious weaknesses: e.g. visible or obvious in some editors, easily removed, I was wondering if it was worth deploying something like this in my open source project. My industry has a history of companies ripping off open source projects.

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  • Qt Creator 2.5 est sorti en beta, l'EDI supporte plus de fonctionnalités de C++11

    Suite à la sortie de Qt Creator 2.5 en beta, il est grand temps de faire le tour de quelques nouveautés, sans toutes les passer en revue. C++11 Publié en septembre dernier, le standard ISO C++11 se doit d'avoir un meilleur support dans l'EDI ; notamment, on trouvera les mots-clés nullptr, constexpr, static_assert, noexcept et auto, ainsi que les espaces de noms en ligne et les lambdas (partiellement). De même, quelques nouvelles actions de refactorisation sont disponibles : insertion d'un #include pour les identifiants indéfinis, extraction de fonction, réarrangement de liste de paramètres, synchronisa...

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  • ORACLE UNIVERSITY

    - by mseika
    Expert Seminar in Dubai: How to choose your High-Availability solutions with Piet de Visser Oracle University's Expert Seminars are delivered by the best Oracle Gurus in the industry from all over the world. These unique and informative seminars are designed to provide you with expert insight in your area of interest. Piet de Visser is delivering the Expert Seminar ‘How to choose your High-Availability solutions’ on 8 November October in Dubai. You can find more information here. Please note: Your OPN discount is applied to the standard price shown on the website. For assistance with bookings contact Oracle University: eMail: [email protected] Telephone: +971 4 39 09 050

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  • New Procurement Report for Transportation Sourcing

    - by John Murphy
    Welcome to our fourth annual transportation procurement benchmark report. American Shipper, in partnership with the Council of Supply Chain Management Professionals (CSCMP) and the Retail Industry Leaders Association (RILA), surveyed roughly 275 transportation buyers and sellers on procurement practices, processes, technologies and results. Some key findings: • Manual, spreadsheet-based procurement processes remain the most prevalent among transportation buyers, with 42 percent of the total • Another 25 percent of respondents use a hybrid platform, which presumably means these buyers are using spreadsheets for at least one mode and/or geography • Only 23 percent of buyers are using a completely systems-based approach of some kind • Shippers were in a holding pattern with regards to investment in procurement systems the past year • Roughly three-quarters of survey respondents report that transportation spend has increased in 2012, although the pace has declined slightly from last year’s increases • Nearly every survey respondent purchases multiple modes of transportation • The number of respondents with plans to address technology to support the procurement process has increased in 2012. About one quarter of respondents who do not have a system report they have a budget for this investment in the next two years.

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  • I want to host clients' websites, but not their email. What's the easiest way to handle this?

    - by Phil
    My company lets non-technical users build their own niche industry websites on our server, which we host. they can currently point their nameservers at their registrar to us, which ends up with them no longer having access to their email if they've already set it up through said registrar. We don't want to interfere with their existing email, nor do we want to get into the business of setting up email for them through our service. Thus, having them point A records/cname to us would work, but is this too complex for a non-technie user? We thought of having them point nameservers to us but pointing the MX records back to them, but this is also beyond their scope. Is there an easy way to 'point records' at their initial state? Any other ideas/feedback?

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  • Can a 10-bit monitor connection preserve all tones in 8-bit sRGB gradients on a wide-gamut monitor?

    - by hjb981
    This question is about color management and the use of a higher color depth, 10 bits per channel (30 bits in total, resulting in 1.07 billion colors, or 1024 shades of gray, sometimes referred to as "deep color") compared to the standard of 8 bits per channel (24 bits in total, 16.7 million colors, 256 shades of gray, sometimes referred to as "true color"). Do not confuse with "32 bit color", which usually refers to standard 8 bit color with an extra channel ("alpha channel") for transparency (used to achieve effects like semi-transparent windows etc). The following can be assumed to be in place: 1: A wide-gamut monitor that supports 10-bit input. Further, it can be assumed that the monitor has been calibrated to its native gamut and that an ICC color profile has been created. 2: A graphics card that supports 10-bit output (and is connected to the monitor via DisplayPort). 3: Drivers for the graphics card that support 10-bit output. If applications that support 10-bit output and color profiles would be used, I would expect them to display images that were saved using different color spaces correctly. For example, both an sRGB and an adobeRGB image should be displayed correctly. If an sRGB image was saved using 8 bits per channel (almost always the case), then the 10-bit signal path would ensure that no tonal gradients were lost in the conversion from the sRGB of the image to the native color space of the monitor. For example: If the image contains a pixel that is pure red in 8 bits (255,0,0), the corresponding value in 10 bits would be (1023,0,0). However, since the monitor has a larger color space than sRGB, sending the signal (1023,0,0) to the monitor would result in a red that was too saturated. Therefore, according to the ICC color profile, the signal would be transformed into a different value with less red saturation, for example (987,0,0). Since there are still plenty of levels left between 0 and 987, all 256 values (0-255) for red in the sRGB color space of the file could be uniquely mapped to color-corrected 10-bit values in the monitor's native color space. However, if the conversion was done in 8 bits, (255,0,0) would be translated to (246,0,0), and there would now only be 247 available levels for the red channel instead of 256, degrading the displayed image quality. My question is: how does this work on Ubuntu? Let's say that I use Firefox (which is color-aware and uses ICC color profiles). Would I get 10-bit processing, thus preserving all levels of an 8-bit picture? What is the situation like for other applications, especially photo applications like Shotwell, Rawtherapee, Darktable, RawStudio, Photivo etc? Does Ubuntu differ from other operating systems (Linux and others) on this point?

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  • Code while standing

    - by bgbg
    I have a regular, standard, workplace: a desk, a chair an LCD monitor, a mouse and a keyboard. I would like to have the ability to work while standing. I have the feeling that my employer will not will to buy an adjustable desk, instead of the existing one, so I would like to have your help with ideas on how to convert a workplace to a "standable" one on as low budget as possible. I saw this discussion, but the solutions proposed there are way above my "low budget" definition

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