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• Best way to solve the game 'bricolage'

  - by maggie

  I am trying to solve the following game http://www.hacker.org/brick/ using some kind of AI. The target of this game is to finally clear the board by clicking on groups of at least 3 bricks of the same color and removing them. If a group is disappearing the remaining bricks above will fall down or be moved left if a column got no bricks left. The higher the level - more colors and larger board. I already guessed that a pure bruteforce approach wont scale nice for higher levels. So i tried to implement a monte carlo like approach which worked ok for the first levels. But i am still not confident i will make the maximum level of 1052 with this. Currently i am stuck @~ level 100 :) The finding of the solution takes too much time... Hoping that there is a better way to do this i read some stuff about neural networks but i am really at the beginning of this. Before becoming obsessed by ANNs i want to be sure it is the right way for my problem. So my question is: Does it make any sense to apply an ANN to this game? Any suggestions?

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• What is the most concise, unambiguous syntax for operator associated methods (for overloading etc.) that doesn't pollute the namespace?

  - by Doug Treadwell

  Python tends to add double underscores before its built-in or overloadable operator methods, like __add(), whereas C++ requires declaring overloaded operators as operator + (Thing& thing) { /* code */ } for example. Personally I like the operator syntax because it seems to be more explicit and keeps these operator overloading methods separated from other methods without introducing weird prefix notation. What are your thoughts? Also, what about the case of built-in methods that are needed for the programming language to work properly? Is name mangling (like adding __ prefix or sys or something) the best solution here? What do you think about having another type of method declaration, like ... "system method" for lack of creativity at the moment. So there would be two kinds of declarations: int method_name() { ... } system int method_name() { ... } ... and the call would need to be different to distinguish between them. obj.method_name(); vs obj:method_name(); perhaps, assuming a language where : can be unambiguously used in this situation. obj.method_name() vs obj.(system method_name)() Sure, the latter is ugly, but the idea is to make the common case simple and system stuff should be kept out of the way. Maybe the Objective-C notation of method calls? [obj method_name]? Are there more alternatives? Please make suggestions.

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• Ubuntu 12.04 Full Screen without Unity Hub

  - by Xatolos

  I couldn't find an answer for this, so I thought I would try here. My problem is, I have some games on Wine that play in full screen mode but I can't really get them in full screen mode. When they start up, they end up with the GUI's "HUD" overlapping the game which is really annoying and well kills the option to play the game. This has also happened in a few of my Linux programs as well. While I wrote its a problem with Unity, it really isn't limited to this though. I've done full screen mode on Unity and had the Unity side bar and top menu overlap, I've used Gnome and had the same issue happen, Gnome menu is in the top, Cinnamon had the same issue. Sometimes if I Alt-Tab out of it and back into the program it MIGHT remove the HUD but that doesn't always work, and lets face it, full screen mode that is killed by the GUI just isn't something that can really be ignored. Any suggestions or help would be highly welcomed. My laptop http://www.cnet.com/laptops/asus-g53jw-a1-15/4507-3121_7-34210244.html edit Seems so far to be an issue with Unity and Gnome being in 3D mode, and possibly an issue with my NVidia card and XServe (I think that was it...). Going to Unity/Gnome 2d modes seem to help with this for the moment...

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• Which metric/list should be used to evaluate whole software development team?

  - by adt

  Title might be seem vague, so let me tell you a little bit history what i am trying to clarify question. I have been hired as a consultant for a corporate's small developement divison ( The company also owns a couple of software dev. companies) My ex manager runs a BI team, with reportes, analyts and developers. He asked me to evaluate overall design, software developement process and code quality . Here what i found, Lots of copy/paste code everywhere ( no reuse ) Even though they have everything TFS, VS Ultimate etc, No Build process , No Cruise Control.net / team city... No unit tests Web Pages with 3700 lines of code, Lots of huge functions ( which can be divided into smaller one's ) No naming convention both db and c# code No 3r party or open source project No IoC No Seperation Of Concerns No Code Quality Check ( NDepend or FxCope or nothing ) No Code Review No Communication within the team They claim they wrote an application framework ( 6 months 3 persons), but I would hardly call a framework ( of course no unit test, there are some but all commented out). Framework contains 14 projects but there are some projects with 1 file 20 lines of code . Honestly, what people are doing fixing bug all thr day( which will provide more bugs eventually), they are kind of isolated from community, some team members even dont know github or stackoverflow they probably went there with google but they dont know about it. So here is question, Is This list ok ? Or am i being picky? Since I dont have any grudge against them, I just want to be fair, honest and I would like to hear you suggestions, before I would submit this list. And since this list also will be review by software division's manager, I dont want any heart break or something like this. http://www.hanselman.com/altnetgeekcode/ For example I would love to such lists, i cant make references. Thanks in advance.

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• It Ain't Over 'Til It's Over

  - by Oracle OpenWorld Blog Team

  Oracle OpenWorld 2012 is behind us. Well, for San Francisco, anyhow. The team is already working on the Latin America event which takes place in December in Sao Paulo, and an OpenWorld in Asia for 2013 as well. And of course they're already working on the next San Francisco OpenWorld for 2013. So what happens after the conference is over? People pack up demo and network gear and ship it out to wherever it's going next; take down and recycle signage; strike the keynote set, the exhibition and demo halls, the street tents, and anything else that was constructed just for the conference. There's a lot of post-conference analyis going on too. Oracle and partner marketing teams are looking at and following up on the leads they got from booth, demo, and lounge traffic. The events team is evaluating the session and conference surveys you filled out if you attended -- looking to identify the best speakers, what worked and didn't work, how you liked the venues, the food, the entertainment, the presentations. From all of that information will come recommendations for next year on what to keep doing, what to do better, and what not to do at all. The goal for each year's conference is to be better than last year's. If you attended and haven't filled out the surveys yet, you have until October 19 for them to be counted, and for you to be entered into a daily sweepstakes. Click here for more information. Posts to this blog will slow down for a while, but we'll post news about Oracle OpenWorld in San Francisco and around the world when we have it. Any suggestions about future blog topics are welcome. Oh - I forgot to mention that you can sign up to be notified when registration for Oracle OpenWorld 2013 goes live. If you register at that time you'll get the best discount available on attending next year. So sign up, and stay tuned.

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• Work @ Java shop. Tasked to redo intranet. I only know PHP - CTO says use that; Ops Says no - we have JSP, use that - Thoughts?

  - by Mackysback

  So I work as a project manager and was given the opportunity to redo the intranet and Internet site... I'd love to , great addition to my resume. However.... I am not familiar with java nor JSP... I am fairly proficient with PHP and MySQL ... Also my intention was to use a CMS that I have experience with, wordpress, drupal or joomla... The site would be very simple so I was thinking wordpress would be fine for this. I told management that I would need it to run on PHP and they gave me their blessing... Now the disconnect bw it and management ... I spoke with ops and they told me that we have java and JSP for that purpose although the IT guy did say "oh but I do know that php and mysql are gaining popularity" That said ... I do not understand much as far as systems architecture... We do self host and run websphere with IIS and jboss with tomcat. Any advice or suggestions? Thanks ! Is my request that unfeasible?

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• What is the best way to store a table in C++

  - by Topo

  I'm programming a decision tree in C++ using a slightly modified version of the C4.5 algorithm. Each node represents an attribute or a column of your data set and it has a children per possible value of the attribute. My problem is how to store the training data set having in mind that I have to use a subset for each node so I need a quick way to only select a subset of rows and columns. The main goal is to do it in the most memory and time efficient possible (in that order of priority). The best way I have thought of is to have an array of arrays (or std::vector), or something like that, and for each node have a list (array, vector, etc) or something with the column,line(probably a tuple) pairs that are valid for that node. I now there should be a better way to do this, any suggestions? UPDATE: What I need is something like this: In the beginning I have this data: Paris 4 5.0 True New York 7 1.3 True Tokio 2 9.1 False Paris 9 6.8 True Tokio 0 8.4 False But for the second node I just need this data: Paris 4 5.0 New York 7 1.3 Paris 9 6.8 And for the third node: Tokio 2 9.1 Tokio 0 8.4 But with a table of millions of records with up to hundreds of columns. What I have in mind is keep all the data in a matrix, and then for each node keep the info of the current columns and rows. Something like this: Paris 4 5.0 True New York 7 1.3 True Tokio 2 9.1 False Paris 9 6.8 True Tokio 0 8.4 False Node 2: columns = [0,1,2] rows = [0,1,3] Node 3: columns = [0,1,2] rows = [2,4] This way on the worst case scenario I just have to waste size_of(int) * (number_of_columns + number_of_rows) * node That is a lot less than having an independent data matrix for each node.

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• How can I use an object pool for optimization in AndEngine?

  - by coder_For_Life22

  I have read up on a tutorial that allows you to reuse sprites that are re-added to the scene such as bullets from a gun or any other objects using an ObjectPool. In my game i have a variation of sprites about 6 all together with different textures. This is how the object pool is set up with its own class extending Java's GenericPool class public class BulletPool extends GenericPool<BulletSprite> { private TextureRegion mTextureRegion; public BulletPool(TextureRegion pTextureRegion) { if (pTextureRegion == null) { // Need to be able to create a Sprite so the Pool needs to have a TextureRegion throw new IllegalArgumentException("The texture region must not be NULL"); } mTextureRegion = pTextureRegion; } /** * Called when a Bullet is required but there isn't one in the pool */ @Override protected BulletSprite onAllocatePoolItem() { return new BulletSprite(mTextureRegion); } /** * Called when a Bullet is sent to the pool */ @Override protected void onHandleRecycleItem(final BulletSprite pBullet) { pBullet.setIgnoreUpdate(true); pBullet.setVisible(false); } /** * Called just before a Bullet is returned to the caller, this is where you write your initialize code * i.e. set location, rotation, etc. */ @Override protected void onHandleObtainItem(final BulletSprite pBullet) { pBullet.reset(); } } As you see here it takes a TextureRegion parameter. The only problem i am facing with this is that i need to have 6 different sprites recycled and reused in the ObjectPool. This ObjectPool is set up to only use one TextureRegion. Any idea's or suggestions on how to do this?

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• How to reset a List c# and XNA [on hold]

  - by P3erfect

  I need to do a "retry" option when the player finishes the game.For doing this I thought to reset the lists of Monsters and other objects that moved at the first playing or which have been "killed".for example I have a list like that: //the enemy1 class is already done // in Game1 I declare it List<enemy1> enem1 = new List<enemy1>(); //Initialize method List<enemy1> enem1 = new List<enemy1>(); //LoadContent foreach (enemy1 enemy in enem1) { enemy.Load(Content); } enem1.Add(new enemy1(Content.Load<Texture2D>("enemy"), new Vector2(5900, 12600))); //Update foreach (enemy1 enemy in enem1) { enemy.Update(gameTime); } //after being shoted the enemies disappear and i remove them //if the monsters are shoted the bool "visible" goes from false to true for (int i = enem1.Count - 1; i >= 0; --i) { if (enem1[i].visible == true) enem1.RemoveAt(i); } //Draw foreach (enemy1 enemy in enem1) { if(enemy.visble==false) { enemy.Draw(spriteBatch, gameTime); } } //So my problem is to restart the game. I did this in Update method if(lost==false) { //update all the things... } if(lost==true)//this is if I die { //here I have to put the code that restore the list //I tried: foreach (enemy1 enemy in enem1) { enemy.visible=false; } player.life=3;//initializing the player,points,time player.position=initialPosition; points=0; time=0; }//the player works.. } } they should be drawn again but if I removed them they won't be drawn anymore.If I don't remove them ,instead, the enemies are in different places (because they follow me). Any suggestions to restore or reinitialize the list??

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• Should if statments be in inner or outer method?

  - by mjcopple

  Which of these designs is better? What are the pros and cons of each? Which one would you use? Any other suggestions of how to deal with methods like is are appreciated. It is reasonable to assume that Draw() is the only place that the other draw methods are called from. This needs to expand to many more Draw* methods and Show* properties, not just the three shown here. public void Draw() { if (ShowAxis) { DrawAxis(); } if (ShowLegend) { DrawLegend(); } if (ShowPoints && Points.Count > 0) { DrawPoints(); } } private void DrawAxis() { // Draw things. } private void DrawLegend() { // Draw things. } private void DrawPoints() { // Draw things. } Or public void Draw() { DrawAxis(); DrawLegend(); DrawPoints(); } private void DrawAxis() { if (!ShowAxis) { return; } // Draw things. } private void DrawLegend() { if (!ShowLegend) { return; } // Draw things. } private void DrawPoints() { if (!ShowPoints || Points.Count <= 0)) { return; } // Draw things. }

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• My sound is not working, so I'm going to reinstall FYI [closed]

  - by fer

  I've had trouble getting the sound to work in Ubuntu 12.04 I'm running an Acer Aspire 5739g laptop. This is using a clean install. This wasn't a problem when ubuntu first installed. Rather, it was when I ran the updates that it stopped working. I already tried the suggestions on the ubuntu sites and other similar queries, and they haven't fixed it. Something in the updates is making my sound not work. Edit: It turns out that this might be a bug (the sound issue, first paragraph). After reinstall, it happened again (it's not caused by updates at all, or any software, because I fixed it now w/o reinstall). It seems like I replicated it as follows: I changed auto-hide in the behavior tab of Appearance settings by turning it on, and setting the sensitivity to below the recommended setting. Then instead of restarting, I just logged out and back in. The sound stopped working again. I set the behavior settings to default, restarted, and now it's back to normal. Not sure if it's due to only logging out (and not restarting) or b/c I set my sensitivity to a low setting. Not sure if this helps anyone, but thought I'd mention it.

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• Oneric Aspire One. After latest 11.10 update to Linux 3.0.0-9 boot hangs at staement "Starting Bluetooth"

  - by hevh

  I have today updated the version of Linux on Ubuntu on my Acer Aspire One. The boot hangs on the statement "Starting Bluetooth". Help please!! EDIT1: I get the grub menu when I start the netbook and it doesn´t matter which version of linux I choose the resulkt is the same. It gets as far as the Ubuntu spash screen then drops into command line mode then hangs on the line "Starting Bluetooth". I can log in and have tried various forms of the apt-get command to fix the system but with no result. I do not need bluetooth at the moment and so could remove the application if I knew how. (have tried apt-get remove bluez). When I use the command sudo apt-get -f install I get an error message saying "There's not enough space in /var/lib/mysql/" folowed by several other error messages. I have spent some time looking for similar problems and solutions using google but so far got to nothing to help. Thanks EDIT2: I have since discovered when running Knoppix or slitaz from a usb stick that the file managers report the hard disc as having no space. However GPARTED reports it as having 3.69gb. I do recall making space on the hard drive by deleting some old files and emptying trash whilst the update was running; perhaps its related. Any suggestions for how I can recover the apparently lost space from hard disc without losing the data. I have backups of the actual data but do not wnat to lose the applcations configuration. Thanks Kev

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• Need some critique on .NET/WCF SOA architecture plan

  - by user998101

  I am working on a refactoring of some services and would appreciate some critique on my general approach. I am working with three back-end data systems and need to expose an authenticated front-end API over http binding, JSON, and REST for internal apps as well as 3rd party integration. I've got a rough idea below that's a hybrid of what I have and where I intend to wind up. I intend to build guidance extensions to support this architecture so that devs can build this out quickly. Here's the current idea for our structure: Front-end WCF routing service (spread across multiple IIS servers via hardware load balancer) Load balancing of services behind routing is handled within routing service, probably round-robin One of the services will be a token Multiple bindings per-service exposed to address JSON, REST, and whatever else comes up later All in/out is handled via POCO DTOs Use unity to scan for what services are available and expose them The front-end services behind the routing service do nothing more than expose the API and do conversion of DTO<-Entity Unity inject service implementation to allow mocking automapper for DTO/Entity conversion Invoke WF services where response required immediately Queue to ESB for async WF -- ESB will invoke WF later Business logic WF layer Expose same api as front-end services Implement business logic Wrap transaction context where needed Call out to composite/atomic services Composite/Atomic Services Exposed as WCF One service per back-end system Standard atomic CRUD operations plus composite operations Supports transaction context The questions I have are: Are the separation of concerns outlined above beneficial? Current thought is each layer below is its own project, except the backend stuff, where each system gets one project. The project has a servicehost and all the services are under a services folder. Interfaces live in a separate project at each layer. DTO and Entities are in two separate projects under a shared folder. I am currently planning to build dedicated services for shared functionality such as logging and overload things like tracelistener to call those services. Is this a valid approach? Any other suggestions/comments?

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• need a different backup solution

  - by DigitalJedi

  I just built a new media/backup server using Ubuntu 12.04 64bit. I installed a hard drive to be used only for music, pictures, and videos and formatted it fat32 so my 1 and only Windows PC could map those folders as netshares. My laptop, also running Ubuntu 12.04, is what I am using the most so new media is first downloaded on my laptop. I've already got the music, videos, and pictures folders from my server mounting as shares on my laptop on boot thanks to some fstab edits and sshfs. Now I'm wanting either an app or script that could backup any new files I add to my local media folders to the mounted folders on my server. I've been Googling all day and found a few apps like rsync but they seem to have issues with ext4 to vfat backups. I thought maybe a script would be best but I'm new to scripting in Linux and don't want to mess anything up. Basically I am looking for something that will backup only newly added files to the server. I figure I could schedule it once a week. There are some stipulations. For example, my local music folder has over 700 folders for each artist/band then sub folders inside those for albums. I want something smart enough to only copy newly added content so I'm guessing the modified date would probably be a good condition if I were scripting. I'm rambling. Any suggestions would be GREATLY appreciated. I'm not finding anything to suit my needs. I'm almost to the point of just learning bas scripting so I can write something but then it will be a couple weeks or so before I have a possible solution and I'd like something in place sooner.

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• how to recover lost partitions data

  - by TheJoester

  I have a 2TB SATA drive that was being used as file storage on my UBUNTU computer. I was re-imaging my windows box so I used that drive to back up some files to it. I did this by taking the drive from my windows PC and putting it in my UBUNTU PC, mounted it and copied the files over. After the windows refresh I thought it would be easier to take the 2 TB drive and dock it in the external dock my Windows case has built in. Anyway it would recognize in BIOS but windows would not see it (because it was EXT3 or EXT4) so when I went into the disk manager it advised me the drive needed to be initialized. Me not thinking I initialized it as a GUID Partition table. Now it sees it as a blank drive, even in UBUNTU. I have done nothing else to write or change the drive. I was wondering if there is a qay to repair the old partitioning and get access to my files back? many thanks! EDIT: I followed the instructions in the link @kniwor sent me. I used the command sudo gpart -W /dev/sda /dev/sda and here was the result: Guessed primary partition table: Primary partition(1) type: 007(0x07)(OS/2 HPFS, NTFS, QNX or Advanced UNIX) size: 0mb #s(1) s(2861671176-2861671176) chs: (1023/254/63)-(1023/254/63)d (178130/202/1)-(178130/202/1)r Primary partition(2) type: 007(0x07)(OS/2 HPFS, NTFS, QNX or Advanced UNIX) size: 0mb #s(1) s(3484550160-3484550160) chs: (1023/254/63)-(1023/254/63)d (216903/55/1)-(216903/55/1)r Primary partition(3) type: 000(0x00)(unused) size: 0mb #s(0) s(0-0) chs: (0/0/0)-(0/0/0)d (0/0/0)-(0/0/0)r Primary partition(4) type: 000(0x00)(unused) size: 0mb #s(0) s(0-0) chs: (0/0/0)-(0/0/0)d (0/0/0)-(0/0/0)r Not sure it found what I wanted. suggestions?

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• Ubuntu 12.10 and nVidia drivers don't like each other?

  - by mingos

  I decided to upgrade both my computers from Precise to Quantal. What a mistake that was. My laptop has a nVidia GT 330M card, while the desktop has an nVidia 9600 GT. In both cases everything goes great as long as I use the Nouveau driver (ugh!). Can't really play games (Amnesia... and hoping for Steam Beta participation...), even though it's OK for work. Now, ever since 9.04 or so, I just installed nvidia-current and all just worked. Since 12.10, after installing nVidia drivers, Unity won't start at all (hangs with only the wallpaper displayed, no cursor or widgets), Gnome Shell is permanently in fallback mode. Now, I have tried on both computers, with multiple clean installs on Ubuntu (two separate downloads, just in case), one from Ubuntu Gnome Remix. And additionally, Fedora 17, which seems to suffer from the same issue. Tried all nVidia driver suggestions available in Software Sources, and even compiled the drivers myself. I tried several versions of the driver to exclude an issue with the newest one. In my frustration, I have switched to Windows (which, ironically, "just works" with my hardware), but still hold a twin OS configuration on the desktop and would like to use Ubuntu again. So, can anyone point me to where the issue might lie?

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• Cannot connect to Internet via Wifi

  - by lvogel

  I have a laptop that's currently configured as a dual-boot. The problem: I cannot connect to the Internet in the home wireless network through Ubuntu in the apartment where I currently live. The strange part: I can connect to it just fine through Windows (as right now), and I can use the Internet through Ubuntu on this computer with all the other wireless networks I have tried. The problem is only with this particular combination. The only possible explanations I can think of are either that this network is WPS, or that it's a driver problem--Vodafone router. The router 'sees' the computer--and it says it's connected; however, I keep getting prompted for a password, and I enter the key that works with Windows, but in Ubuntu it just keeps asking for it repeatedly, and I can't access the Internet. I don't have an ethernet cable at the moment, but if someone would be so kind as to ask me questions I will gladly answer, and if you have suggestions, I will do them--the only thing is, I am subletting this apartment from someone who is away on vacation, so I don't want to screw with the router settings unless I know what I'm doing! - I do not have Wicd - Yes, I have the router's information (key works in Windows) - Feedback of lshw says that the wireless card is Ultimate N Wifi Link 5300, vendor: Intel Corporation, physical id: 0 ,etc. The first two commands I was told to try work OK, but when I typed sudo ifconfig wlan0 essid ..... I got back 'essid: Unknown host' Would my question be better on the Ubuntu forums than here on AU?

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• What is a quick and easy way to make a minimal news blog that pulls rss feeds? I have 2 days [on hold]

  - by user44188

  My boss wants me to make a website that pulls news from various rss feeds from all over the web. I need to pull something together, that looks pro, quick! I started by going to themeforest and looked around forever, but nothing really looked right. I need something mostly built like this already that I can just alter into our site. I can do most cms, photoshop, some code, I used to do it like this freelance years ago, but it's not really my job now. It just sort of came up suddenly, so I wanna pull through. This is a good example of the overall structure I had in mind, but it just isn't clean enough. All of the news feeds will essentially be about the same criteria, but will pertain to different geographic areas. It would be a huge plus if I could segregate the news visually in some clever way based on geography. (Like a map?) I'm definitely open to all suggestions. I have to get this done by friday!

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• Battery life low on notebook using ubuntu 11.10 vs. windows 7

  - by les

  Im using a brand new Dell XPS notebook (bought mar 2012) which has 4.5 hrs battery life using a 6 cell battery-when i use windows 7. The machine uses an Intel core 17 2670qm processor, and a 64 bit operating system. I downloaded Ubuntu 11.10 and installed it on a USB drive, which is how i use it. I still have Windows 7 on the machine. When the machine is booting up I hit F12, and run Ubuntu from the flash drive instead of the machine booting Windows, as it normally would. On the Ubuntu menu, on the top right area, there is a battery menu, which shows how long to charge battery, or how much life left etc..with a fully charged battery the most Ubuntu will give me is 1.5 hrs. I've adjusted all power setting etc by clicking on the battery meter where i can make these adjustments, and have even turned down the brightness on the monitor. I've read through these questions here, and a user wrote to install Ubuntu 12(?)(the alpha version) when it's out this month(april), and this has better power management. Other forums (Ubuntu wiki) state that windows 7 controls power management effectively because it's configured to work with the hardware. I'd like to install Ubuntu and wipe windows but can't because of this issue. I need my notebook to go hours, not an hour and a bit. Can anybody recommend possibly a good software to use, that will work with the machines bios under Ubuntu? Another thought of mine, is- since I didn't yet wipe windows off my hard disk, is windows still possibly controlling the power mgmt aspect on the machine? I've thought of calling tech support at Dell and asking for help there, maybe Dell has something (a tweak?), I can download that'll work under Ubuntu. Looking forward to any help/suggestions i can get here, i'm really stuck on this..

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• designing solution to dynamically load class

  - by dot

  Background Information I have a web app that allows end users to connect to ssh-enabled devices and manipulate them. Right now, i only support one version of firmware. The logic is something like this: user clicks on a button to run some command on device. web application looks up the class name containing the correct ssh interface for the device, using the device's model name. (because the number of hardware models is so small, i have a list that's hardcoded in my web app) web app creates a new ssh object using the class loaded in step 2. ssh command is run and session closed. command results displayed on web page. This all works fine. Now the end user wants me to be able to support multiple versions of firmware. But the catch is, they don't want to have to document the firmware version anywhere becuase the amount of overhead this will create in maintaining the system database. In other words, I can't look up the firmware version based on the device. The good news is that it sounds like at most, I'll have to support two different versions of firmware per device. One option is to name the the classes like this: deviceX.1.php deviceX.2.php deviceY.1.php deviceY.2.php where "X" and "Y" represent the model names, and 1 and 2 represent the firmware versions. When a user runs a command, I will first try it with one of the class files, if it fails, i can try with the second. I think always try the newer version of firmware first... so let's say in the above example, I would load deviceX.2.php before deviceX.1.php. This will work, but it's not very efficient. But I can't think of another way around this. Any suggestions?

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• Desktop runs very slick, animations are all fast and flawless. Moving windows around, however, is very laggy. Why?

  - by Muu

  This isn't a question about Ubuntu being laggy in general - not at all, in fact, it's very slick and fast for me. Clicking the "Workspace Switcher" in the dock performs the animation immediately and very smoothly. Switching between workspaces with the arrow keys - again, flawlessly. My computer has a resolution of 2560x1440 on a 27" display (no, not an Apple product - though my monitor has the same panel that Apple use in their cinema displays). It's powered by an Nvidia GeForce GTX 470 - easily enough to handle it - and an Intel i3. Hardware is not the issue. I am running Ubuntu 11.10 (upgraded from 11.04). I had the same issue in 11.04. I'm running the "NVIDIA accelerated graphics driver (post-release updates) (version current-updates)" from the additional drivers dialogue. Two drivers have been suggested to me via that dialogue and I've tried both - same effect with each. The driver is "activated and currently in use". Any other information required, let me know and I'll post it. I'm a programmer who works with Linux daily (both as a job and as an interest) so technical instructions are fine. I've noticed that Compiz uses a lot of CPU when moving windows around and it's memory usage is relatively high (though possibly expected for Compiz): 1671 user 20 0 478m 286m 33m S 1 7.3 12:44.05 compiz And one more thing - occasionally moving windows around is fast. But it only happens when all applications are closed, and even then it sometimes doesn't. Something must be interfering, but what? I'll try and find out but in the meantime, any suggestions are much appreciated :-)

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• Which is the best way to catch an expiring domain name? [closed]

  - by newspeak

  I know a similar question has been asked, but I really don't know what to do. There is this .com domain which is currently on redemption period and should likely be available again within a month. I was wondering which is the best way to get it at a reasonable price. I don't think it's a highly valuable domain, it shows to have very bad ranking and has 0 exact same searches according to adwords. Why it is valuable to me is very simple: I have a project responding to this name. I already own the .net domain and would love to have the .com. I discovered the domain was going to be available thanks to an email I received by a backorder site. I did some research and these guys have a bad reputation on the web. I did further research and found that more reputable (at least in theory) companies should be the likes of snapnames, pool, namejet, godaddy, etc. I am a bit suspicious using these drop cathing services: What if they shill bids? What if they make it go into auction even if I'm the only person interested? What if I raise attention and interest to the domain by backordering? I just would rather wait for it to be deleted and available again to register it manually. It is really not an interesting domain name, and I don't think anyone would care to have it. But what if the domain is already being watched by the domain industry sharks? I did a whois research and my desired domain nameserves point to domcollect.com, which appears to be an auction site. What if I decide to wait for manual registration and I miss the chance to get it? I'm willing to spend the 60/70$ fees these sites require, but not really more than that. Suggestions? Thank you very much. I'm a bit confused and undecided.

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• Extended service set help [closed]

  - by Cygnus X

  Sorry, this is going to be long and rambly. So, at home my network is set up as such: I have a "master router" that handles DHCP, from there I have a basic 5 port switch, and coming off that, I have a second router that I put in access point mode so that I could have better wireless coverage in my house. I cant seem to access it through a web browser since the master router kicked in and assigned it an ip address. But, i told you all that story, so that i could tell you this story. At the company I work for, they are trying to set up wireless cameras, according to the manual for these, in order to connect these cameras to our network, we need to get into the wireless router and associate the router with the cameras, but the problem is, the network is setup like my home network. Theres a "master router" which is a windows 2003 server, and then a wireless router in AP mode dishing out wireless access. I cant get into the router (by the way I'm not the system admin for the company, nor do i know jack squat about windows server , nor can I easily get in contact with the system admin. (quite the cluster f*k, eh?)) I've tried using wireshark to find the routers ip, dug through arp tables, tried plugging straight into the router, but I cant seem to get into the damn thing. Any ideas/suggestions would be greatly appreciated.

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• determine an application's process name on linux (ubuntu)

  - by Jacob

  This is the situation: Working on (the next version of) a Unity quicklist editor, I would like to add a reliable way of "restarting" launcher icons. To do so, I need to remove the icon (editing gsettings) and replace it on the same position. So far no problem. However, if the application in question is running, user will possibly lose data, as the application will quit when it's icon is removed from the launcher. What I need is a reliable way to find an application's process name, to let the editor check in the list of running processes if the application is running, and send a warning message to the user that the icon can not be restarted if the application is running. What i did so far is make the editor look into the desktop file, to read the command, also read the command, stripped from the directory section, and furthermore look into possible remote scripts the desktop file command might refer to, looking for strings starting with "./" Although te method seems to work well with all applications I tested it on, I have the feeling there must be an easier way to cover the problem in an "all in one" way... Is there? also suggestions to catch more exceptional situations are welcome!

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• Good quality Secure Software Development Training [closed]

  - by Patrick

  Just had my annual appraisal and found out my company is willing to pay for training and exams etc! Woohoo (they kept that one quiet). I'm interested in doing a course on secure development techniques. Has anyone got any suggestions for good quality distance learning courses in secure development (I could probably get a couple of days off to attend a conference/ course if required)? We're mostly an MS .Net house but I have no particular allegiance to MS or any other programming language (though, obviously, C++ is the best language in the world). I have 12 years development experience working in (what are now) PCI:DSS environments, including designing and developing a key management system and I have some knowledge of basic attacks (XSS, injection etc). I would prefer a hard course I struggle with to a basic course I learn 3 things from (but hopefully get something right at my level). A quick google found these two course which look good: http://www.sans.org/course/secure-coding-net-developing-defensible-applications https://www.isc2.org/csslpedu/default.aspx I don't really know how to choose between them, and finding other courses isn't going to make that job any easier, so I thought I'd ask those who know. EDIT : Hmm, care to share the reason for your down vote, will help me learn how to use the site better...

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