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  • DVD wont mount Ubuntu 12.04

    - by CyborgGold
    I can't seem to be able to mount my optical drive. I have tried numerous solutions from this site with no results. I am not able to see the device inside the file browser either. There is a DVD in the drive. I am running 12.04 on an HP g60-235dx portable. I have a link below to the specs. I will also list what I have tried (that I can find back right now.) I know the drive is functioning, because just before Windows 7 crashed and my MBR went fubar I was watching movies just fine. I am fairly new to linux, so don't assume I know anything. Ok, so here is what I have tried: sudo wget --output-document=/etc/apt/sources.list.d/medibuntu.list http://www.medibuntu.org/sources.list.d/$(lsb_release -cs).list sudo apt-get --quiet update sudo apt-get --yes --quiet --allow-unauthenticated install medibuntu-keyring sudo apt-get --quiet update sudo apt-get install libdvdcss2 dmesg | grep sr0 (no output) apt-get install libdvdnav4 (already installed, and up to date) sudo /usr/share/doc/libdvdread4/install-css.sh ls -l /dev/cdrom /dev/cdrw /dev/dvd /dev/dvdrw /dev/scd0 /dev/sr0 ls: cannot access /dev/scd0: No such file or directory lrwxrwxrwx 1 root root 3 Sep 10 03:51 /dev/cdrom -> sr0 lrwxrwxrwx 1 root root 3 Sep 10 03:51 /dev/cdrw -> sr0 lrwxrwxrwx 1 root root 3 Sep 10 03:51 /dev/dvd -> sr0 lrwxrwxrwx 1 root root 3 Sep 10 03:51 /dev/dvdrw -> sr0 brw-rw----+ 1 root cdrom 11, 0 Sep 10 03:51 /dev/sr0 wodim --devices wodim: Overview of accessible drives (1 found) : ------------------------------------------------------------------------- 0 dev='/dev/sg1' rwrw-- : 'TSSTcorp' 'CDDVDW TS-L633M' ------------------------------------------------------------------------- sudo lshw optical *-cdrom description: DVD-RAM writer product: CDDVDW TS-L633M vendor: TSSTcorp physical id: 1 bus info: scsi@1:0.0.0 logical name: /dev/cdrom logical name: /dev/cdrw logical name: /dev/dvd logical name: /dev/dvdrw logical name: /dev/sr0 version: 0200 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram configuration: ansiversion=5 status=nodisc sudo lshw | grep cdrom *-cdrom logical name: /dev/cdrom Spec sheet for portable: http://www.cnet.com/laptops/hp-g60-235dx/4507-3121_7-33496192.html If you need any more information than all of that... please let me know.

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  • How to get source with apt-get source in Ubuntu?

    - by Jonas
    I need to install pure-ftpd from source and need to do apt-get source pure-ftpd but I get this message: E: You must put some 'source' URIs in your sources.list I found some documentation about this for Debian on http://www.debian.org/doc/manuals/apt-howto/ch-basico.en.html#s-sources.list but what URIs should I add to sources.list for Ubuntu and if I want the source for pur-ftpd? EDIT: I found some URIs on Sources.List For Ubuntu Hardy Heron (8.04) So I added these lines to my /etc/apt/sources.list: deb-src http://archive.ubuntu.com/ubuntu/ hardy main restricted universe deb-src http://archive.ubuntu.com/ubuntu/ hardy-updates main restricted universe

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  • A* algorithm very slow

    - by Amaranth
    I have an programming a RTS game (I use XNA with C#). The pathfinding is working fine, except that when it has a lot of node to search in, there is a lag period of one or two seconds, it happens mainly when there is no path to the target destination, since it that situation there is more nodes to explore. I have the same problem when the path is shorter but selected more than 3 units (can't take the same path since the selected units can be in different part of the map). private List<NodeInfo> FindPath(Unit u, NodeInfo start, NodeInfo end) { Map map = GameInfo.GetInstance().GameMap; _nearestToTarget = start; start.MoveCost = 0; Vector2 endPosition = map.getTileByPos(end.X, end.Y).Position; //getTileByPos simply gets the tile in a 2D array with the X and Y indexes start.EstimatedRemainingCost = (int)(endPosition - map.getTileByPos(start.X, start.Y).Position).Length(); start.Parent = null; List<NodeInfo> openedNodes = new List<NodeInfo>(); ; List<NodeInfo> closedNodes = new List<NodeInfo>(); Point[] movements = GetMovements(u.UnitType); openedNodes.Add(start); while (!closedNodes.Contains(end) && openedNodes.Count > 0) { //Loop in nodes to find lowest cost NodeInfo currentNode = FindLowestCostOpenedNode(openedNodes); openedNodes.Remove(currentNode); closedNodes.Add(currentNode); Vector2 previousMouvement; if (currentNode.Parent == null) { previousMouvement = ConvertRotationToDirectionVector(u.Rotation); } else { previousMouvement = map.getTileByPos(currentNode.X, currentNode.Y).Position - map.getTileByPos(currentNode.Parent.X, currentNode.Parent.Y).Position; previousMouvement.Normalize(); } //For each neighbor foreach (Point movement in movements) { Point exploredGridPos = new Point(currentNode.X + movement.X, currentNode.Y + movement.Y); //Checks if valid move and checks if not if closed nodes list if (ValidNavigableNode(u.UnitType, new Point(currentNode.X, currentNode.Y), exploredGridPos) && !closedNodes.Contains(_gridMap[exploredGridPos.Y, exploredGridPos.X])) { NodeInfo exploredNode = _gridMap[exploredGridPos.Y, exploredGridPos.X]; Tile.TileType exploredTerrain = map.getTileByPos(exploredGridPos.X, exploredGridPos.Y).TerrainType; if(openedNodes.Contains(exploredNode)) { int newCost = currentNode.MoveCost + GetMoveCost(previousMouvement, movement, exploredTerrain); if (newCost < exploredNode.MoveCost) { exploredNode.Parent = currentNode; exploredNode.MoveCost = newCost; //Find nearest tile to the target (in case doesn't find path to target) //Only compares the node to the current nearest FindNearest(exploredNode); } } else { exploredNode.Parent = currentNode; exploredNode.MoveCost = currentNode.MoveCost + GetMoveCost(previousMouvement, movement, exploredTerrain); Vector2 exploredNodeWorldPos = map.getTileByPos(exploredGridPos.X, exploredGridPos.Y).Position; exploredNode.EstimatedRemainingCost = (int)(endPosition - exploredNodeWorldPos).Length(); //Find nearest tile to the target (in case doesn't find path to target) //Only compares the node to the current nearest FindNearest(exploredNode); openedNodes.Add(exploredNode); } } } } return closedNodes; } After that, I simply check if the end node is contained in the returned nodes. If so, I add the end node and each parent until I reach the start. If not, I add the nearestToTarget and each parent until I reach the start. I added a condition before calling FindPath so that only one unit can call a find path each frame (60 frame per second), but it makes no difference. I thought maybe I could solve this by allowing the find path to run in background while the game continues to run correctly, even if it takes a few frame (it is currently sequential sonce it is called in the update() of the unit if there's a target location but no path), but I don't really know how... I also though about sorting my opened nodes list by cost so I don't have to loop them, but I don't know if that would have an effect on the performance... Would there be other solutions? P.S. In the code, when I get the Move Cost, I check if the unit has to turn to perform the move, and the terrain type, nothing hard to do.

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  • JSR 308 Moves Forward

    - by abuckley
    I am pleased to announce a number of recent milestones for JSR 308, Annotations on Java Types: Adoption of JCP 2.8 Thanks to the agreement of the Expert Group, JSR 308 operates under JCP 2.8 from September 2012. There is a publicly archived mailing list for EG members, and a companion list for anyone who wishes to follow EG traffic by email. There is also a "suggestion box" mailing list where anyone can send feedback to the E.G. directly. Feedback will be discussed on the main EG list. Co-spec lead Prof. Michael Ernst maintains an issue tracker and a document archive. Early-Access Builds of the Reference Implementation Oracle has published binaries for all platforms of JDK 8 with support for type annotations. Builds are generated from OpenJDK's type-annotations/type-annotations forest (notably the langtools repo). The forest is owned by the Type Annotations project. Integration with Enhanced Metadata On the enhanced metadata mailing list, Oracle has proposed support for repeating annotations in the Java language in Java SE 8. For completeness, it must be possible to repeat annotations on types, not only on declarations. The implementation of repeating annotations on declarations is already in the type-annotations/type-annotations forest (and hence in the early-access builds above) and work is underway to extend it to types.

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  • Proxy Server suggestions

    - by Jon Menefee
    Here is the question I have that hopefully is not too general of a question. I have a network with approximately 25 PC's, 3 servers and 25 IP cameras. I have a firewall already on the network and it works fine for what I need, but my client is asking me if there is a way to put a Proxy server on the network to monitor where his employees are going when they surf the Internet. He is not wanting to block them (at least not thru the Proxy server), but he wants to make sure that they arent going to sites that would compromise the networked PCs. I have looked at TMG and it is a little more than what I want. I hesitate adding another firewall to the system because of the security cameras that are presently on the network (IP Cameras). I just want to put a policy in AD that would make certain Users (or Computers) use a Proxy server. Any suggestions on a good proxy server are welcome. Thank you

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  • Are there any program for showing tooltip via OCR

    - by Casper
    Edited for clarification based on comments: At work we have an old developed program where I need to navigate on a very long dropdown list only with numbered codes. To select the correct code, I manually look at an excel list that shows the code and the name each codes corresponds with. To make matters worse, it is not possible to type in the dropdown box (only first character is recognized when typing) So my question is: Are there any program which can show the text from a predefined list, when i mouseover the various possibilities in the dropdown list? The purpose would be to be able to identify the name which corresponds to each code, without having to look at the excel list. Thanks in advance!

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  • Suggestions for hosted file sharing services

    - by Jon
    Before I pose my question, I will give some insight as per my scenario: I work for a small business (cost is an important factor) Our bandwidth is limited and would not support an in-house FTP server We need to share files (mostly pdf, inDesign, Illustrator documents) to our clients, and as we expand, we are finding that our current locally-hosted FTP solution is too slow and is becoming a detriment to our sales team. What we need is a remotely hosted solution to share files with our clients, specifically with the following features: Greater than 100gb of secure storage The Ability to distribute unique log in credentials to clients, granting access to a personalized directory or folder, while limiting access to other files on the server. A relatively simple web-based UI for clients with limited computer knowledge We have considered a dedicated remote server, and web-based services (box.net, yousendit.com, onehub.com, filesanywhere.com) but I am unsure as per the direction we should be taking - have I left another solution out? What would you suggest? Thanks in advance.

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  • Can I set up arbitrary filesystem redirection in Windows?

    - by Jon
    I am sitting in front of a Windows 7 machine that has no drive Q:. Is it possible to arrange for accesses to Q:\somedir to be redirected to an arbitrary location on the existing filesystems (for example, C:\Windows)? I would especially like a "set it and forget it" option, if one exists. I am assuming (although I have not tried it) that it is possible to use SUBST to mount an existing (empty, created for this purpose) folder as drive Q: and then MKLINK /J to create a directory symbolic link from Q:\somedir to wherever I want. However, this approach has a couple of drawbacks that I would like to avoid if possible: The drive Q: will be visible in the system. It is not as clean as I would like (removing the mounted folder will break it; a batch script needs to be manually added to the system startup). Is there a better option? If there is none and I am forced to make compromises, what is the closest I could get to the ideal solution? Assume anything is up for discussion.

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  • Can't get utouch to show available wifi networks

    - by kellrobinson
    I have ubuntu touch installed on a 2014 Nexus 7. Swiping down from the wireless symbol reveals a "Network" menu with the choices Flight Mode, Wifi Settings, and Cellular Settings. Wifi Settings leads to another menu: Previous Networks, and Other Networks. Previous Networks shows a list of networks used in the past; Other Networks opens an empty box for typing in the name of a network. I don't see any way to show a list of available networks detected by the device. On rare occasions, swiping down the wireless symbol actually does bring up a list of detected networks. But most of the time ubuntu touch exhibits the behavior described above, with no apparent way to bring up the list of available wireless networks. I would like to see a list of the availble networks, if there is a way to do so. Edit: The wifi menu works properly now. Just needed a couple of reboots, it seems. I have other problems, though. If these other problems persist I will make a post specific to them. This device is a 2013 Nexus 7 4G. Not sure how to find the ubuntu version. Can't navigate the settings menu right now because it got stuck and there's no way to go back, except to reboot(!) I'll open multirom manager or boot into recovery and look for the information there.

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  • View old Inbox messages in (OS X) Mail.app via Exchange IMAP?

    - by Jon-Eric
    We're thinking of migrating our Mac users away from Entourage 2008 and instead using Mail.app (built into OS X Snow Leopard). We're running SBS 2003 so it's Exchange 2003 for now. When I setup an "Exchange IMAP" Mail account for a user, their Inbox shows up as empty. However, all of their other folders appear to be populated with their existing email correctly. New email shows up correctly in their Inbox. What do you have to do to see all of the old messages already in the Inbox? Thank you.

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  • Why don't cfn-init logs get sent by rsyslog?

    - by Jon M
    I just signed up for Papertrail to aggregate logs from some AWS instances I'm setting up with CloudFormation::Init. I've followed the instructions and added *.* @logs.papertrailapp.com to the end of '/etc/rsyslog.conf'. Some logs are showing up on Papertrail, but notably the contents of '/var/log/cfn-init.log' never get there, and those are the ones I'm interested in right now. Have I set up rsyslog incorrectly? Or do the CloudFormation::Init scripts just not use syslog to write log information?

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  • Not able to delete file from the server?

    - by kvijayhari
    I've a file called piture-list.php in my website... When i see them through the ftp client it shows two files with different filesizes.. as File name filesize picture-list.php 19818 picture-list.php 9063 When i select the file with 9063 and delete using ftp it deletes the file with the filesize 19818 then i used the command prompt to list files and happened to see actually there were two files one with the original name and other with a space before the filename (" picture-list.php").. I tried to move, delete the file but nothing is successful.. What may be the issue??

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  • What does it mean for a computer to be an "IBM Compatible PC"?

    - by Jon
    A couple questions about this: 1) Is this term even relevant any more? 2) Does this mean anything from a developer's stand point? It is not exactly clear to me if this is a BIOS, architecture, bus or a combination. A piece of software I'm working on expects to see a "Description" of the system and currently windows machines report "AT/AT Compatible". Having been tasked to port this to Mac, I really don't know what a proper "Description" would be - this will most likely be omitted but I was wondering if anyone could provide some insight on the modern usage of this term.

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  • Windows 7 sound control is not flexible.

    - by jon
    I would like to be able to listen to music on both of two audio output devices, but Windows 7 seems to only allow me to select one or the other as the Default device. When device A is the Default device, device B is muted; and vice versa. This seems to be stunningly inflexible. Since Windows 7 is unable to do this, can anyone recommend any add-on software that would control the hardware more flexibly and thoughtfully?

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  • Desktop Properties Background selection problems

    - by Gazza
    From the Desktop of my XP Home Edn SP3 system, under the Right-Click Menu Properties, the [Desktop] tab, of the 'Display Properties' window shows a selection list for the Desktop's Background image. For me this list has become frozen and its slider (at right) will not move. The [Browse] button and the 'Position' dropdown list (whether the selected image is centred, stretched, etc) are also greyed out. I can still use both the Color dropdown list at the right of the Background list and the [Customize Desktop] button below it, and make any changes as desired. What's gone wrong. I'm guessing maybe a registery setting or I've deleted a file somewhere, but haven't found the cause as yet. Any suggestions?? Thanks.

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  • Getting Started with ListServ 16.0

    L-Soft's Listserv has been providing email list management to enterprises nearly as long as Windows has been an OS. Despite a complicated setup and configuration, for organizations looking for mailing list power and flexibility, Listserv is one for the short list.

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  • SEO Footprints - Backlinks Made Easy

    Are you tired of browsing backlink sites list given by other people? Are you tired of waiting once a month to receive your list of 30, 40 50 ore more sites that you can use to build backlinks to your sites? Are you using the same list that THOUSANDS of other internet marketers are using?

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  • [LINQ] Master&ndash;Detail Same Record (I)

    - by JTorrecilla
    PROBLEM Firstly, I am working on a project based on LINQ, EF, and C# with VS2010. The following Table shows what I have and what I want to show. Header C1 C2 C3 1 P1 01/01/2011 2 P2 01/02/2011 Details 1 1 D1 2 1 D2 3 1 D3 4 2 D1 5 2 D4 Expected Results 1 P1 01/01/2011 D1, D2, D3 2 P2 01/02/2011 D1,D4   IDEAS At the begin I got 3 possible ways: - Doing inside the DB:  It could be achieved from DB with a CURSOR in a Stored Procedure. - Doing from .NET with LOOPS. - Doing with LINQ (I love it!!) FIRST APROX Example with a simple CLASS with a LIST: With and Employee Class that acts as Header Table: 1: public class Employee 2: { 3: public Employee () { } 4: public Int32 ID { get; set; } 5: public String FirstName{ get; set; } 6: public String LastName{ get; set; } 7: public List<string> Numbers{ get; set; } // Acts as Details Table 8: } We can show all numbers contained by Employee: 1: List<Employee > listado = new List<Employee >(); 2: //Fill Listado 3: var query= from Employee em in listado 4: let Nums= string.Join(";", em.Numbers) 5: select new { 6: em.Name, 7: Nums 8: }; The “LET” operator allows us to host the results of “Join” of the Numbers List of the Employee Class. A little example. ASAP I will post the second part to achieve the same with Entity Framework. Best Regards

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  • Game Object Design

    - by oisin
    I'm having a problem with the way I designed my first simple game in C++. I have GameObject (abstract class) and ObjectA which inherits the update() and draw() methods from GameObject. My main loop contains a linked list of GameObject*, and while that list is not empty it cycles through it, calling update on each one. Up until this point, I thought the design was standard(?) and would work. However, when I call update on ObjectA() I run into two problems: ObjectA can die which messes up the list, which in turn throws off the loop in main. ObjectA can spawn more ObjectA's but these are local scope and the update() goes out of scope, creating problems in main's list of GameObjects. I think my design if alright, but I'm having such problems with segmentation faults that there must be something seriously wrong with at least one part of my implementation. If anyone could point out any serious mistakes or simple examples of this being done (or even alternative designs) then I would greatly appreciate it!

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