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• How can I connect to a Windows (7) running in VirtualBox from the network with RDP?

  - by Andre

  I have a Windows7 guest running in a VirtualBox hosted by Precise (Ubuntu 12.04 LTS). In the settings of the virtual machine I have activated the 'Remote Display' (Enable Server) with default settings (server port, authentication method). The network of the guest is attached to NAT. I try to use Remmina to connect from the host to the guest. I tried 127.0.0.1, 127.0.0.2, the internal IP of Win7 (10. ...). Did not work so far. Do I have to active something and what on Win7 (home premium)? I would like to connect to the Win7 remote desktop from the local network. Can I stay in NAT mode (preferred due to our network policy), or do I have to go for 'bridged'? Thanks!

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• When designing a job queue, what should determine the scope of a job?

  - by Stuart Pegg

  We've got a job queue system that'll cheerfully process any kind of job given to it. We intend to use it to process jobs that each contain 2 tasks: Job (Pass information from one server to another) Fetch task (get the data, slowly) Send task (send the data, comparatively quickly) The difficulty we're having is that we don't know whether to break the tasks into separate jobs, or process the job in one go. Are there any best practices or useful references on this subject? Is there some obvious benefit to a method that we're missing? So far we can see these benefits for each method: Split Job lease length reflects job length: Rather than total of two Finer granularity on recovery: If we lose outgoing connectivity we can tell them all to retry The starting state of the second task is saved to job history: Helps with debugging (although similar logging could be added in single task method) Single Single job to be scheduled: Less processing overhead Data not stale on recovery: If the outgoing downtime is quite long, the pending Send jobs could be outdated

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• Banshee keeps copying the same music files to my portable player over and over

  - by Dave M G

  I have Banshee 2.6.0, and I connect my Android phone by USB to sync my music collection of about 1500 songs. For the most part, it works reliably. However, on every sync, it deletes, and then recopies the same 62 songs each time. After that, everything works, and the sync completes successfully. As far as I can tell, these 62 songs are mostly recent additions to my collection, but not all of them, and I can't see any other commonality of significance. This is only a problem because the transfer speed when working within Banshee is quite slow, so this is eating up time. Sometimes I need to make a transfer and go, but I can't, because I'll have to wait for progress bars take their sweet time. I have tried to completely clear out the music files on the phone and resync. I have tried rescanning the music collection. What do I do to fix this irritation?

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• broadcom 43225 wireless on acer laptop is disabled

  - by Robbie

  I have a acer aspire 5820T with a broadcom 43225 wireless card. I previously used ubuntu 10.10 and the wireless worked straight away, but when I updated to 11.04 the wireless stopped working. I have managed to get the wireless hardware to switch on for a couple of seconds before turning off (When you turn the wireless on using the manual switch the wireless light stays on for a couple of seconds and in the drop down connections menu the information under wireless networks changes from 'device not ready' to 'Disconnected' but shows no wireless networks despite there being one). So far I have tried installing an additional driver, and also disabling the additional driver and installing b43-fwcutter and firmware b43 installer. There may have been other things that I've found in searches that i've tried but unfortunately I can't remember them. Any help would be appreciated.

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• 11.04 64 bit live install cd freezes immediately on boot

  - by wrchis

  I am trying to install 11.04 alpha to a free set of partitions to try it out but neither the regular graphic installer or the alternate installer work. The graphic one freezes when I try to boot the cd (or cd image on usb stick rather) with a distorted static picture of my regular desktop repeated four times. I have an nvidia 240 graphics card if that is any help in diagnosis. I think it is a matter of getting the cd image to use a low rez video mode but I have no idea how to force that. I have used both the iso's from the regular page and the daily page (for several days so far) and they all do the same thing. I have tried both the internal utility and unetbootin to set up the stick with the same results. The alternate installer seems to work up to the point of the software selection step and then throws a 'failed step' error part way through.

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• Published Windows Phone 7 apps: good for the Resume/CV?

  - by pearcewg

  I'm a long time Microsoft developer who has recently started publishing Windows Phone 7 apps to beef up my current C#/.NET skills, and get more direct exposure to WPF/Silverlight, and of course because it is new and cool. So far I've published over 10 apps successfully. Is this a good thing to put on my resume? Does it appear to show a grasp of the latest Microsoft technologies? Any downside seen by potential employers? Would you put this on your resume, if looking for a full time professional Software Engineering position?

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• What is the best tool to sync browser passwords and bookmarks?

  - by jgbelacqua

  Sadly, everything I've tried so far has been painful to manage between two computers, (even between different browsers on the same computer). So, right now I have different aggregations of bookmarks passwords in xmarks, delicious, google bookmarks, firefox sync, text files, and in figaro password manager (fpm2). I've also tried to use bindwood in the past. What I would like to do is merge all bookmarks and passwords into some solution that actually works either with tools available under Ubuntu, or with a browser-based tool (addon/plugin/extension) which works between between google-chrome/chromium, and firefox. It would be ideal if there was an ability to send and store passwords encrypted (if not on my own server). Whatever the method, I need the ability to have import from existing sources. (It doesn't have to be pretty, just repeatable.) It's possible that some things I've ruled out are now workable (e.g., xmarks broke for me at one point because I hit their bookmark limit for the server/account, and bindwood, firefox sync were firefox only).

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• Configuring Compiz Grid?

  - by Alec

  Disclaimer: I'm three days into Ubuntu, and am loving it so far. Except for this one thing. Apparently there is a way to get an 'Areo Snap' feature with the Grid Plugin for Compiz. I've downloaded the advanced configuration files and have selected the plugin in the Compiz Configuration - even re-mapped the keys because I don't have a numpad. Regardless of what I do, I can't get it to work, either by dragging the windows or using the assigned keys. Is there something I need to do in addition to these things? Am I simply missing something?

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• Programming curricula

  - by davidk01

  There are a lot of schools that teach Java and C++ but whenever I see the syllabus for one of these classes it's almost always some cut and dry OO stuff with possibly some boring end of class project. With all the little gadgets and emulators for those gadgets why aren't more schools re-purposing those classes so that the students work their way up to building android or meego applications? That way students get to experience first hand what it takes to engineer/build a piece of software instead of doing finger exercises with syntax. Practically every self-taught programmer that I know started programming because they wanted to make their gadgets do things for them. They didn't learn a programming language with an abstract conception of using it on some far distant project so I don't understand why schools don't emulate this style of teaching.

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• Copying an SSH Public Key to a Server

  - by Nathan Arthur

  I'm attempting to setup a git repository on my Dreamhost web server by following the "Setup: For the Impatient" instructions here. I'm having difficulty setting up public key access to the server. After successfully creating my public key, I ran the following command: cat ~/.ssh/[MY KEY].pub | ssh [USER]@[MACHINE] "mkdir ~/.ssh; cat >> ~/.ssh/authorized_keys" ...replacing the appropriate placeholders with the correct values. Everything seemed to go through fine. The server asked for my password, and, as far as I can tell, executed the command. There is indeed a ~/.ssh/authorized_keys file on the server. The problem: When I try to SSH into the server, it still asks for my password. My understanding is that it shouldn't be asking for my password anymore. What am I missing?

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• Google Webmaster Tools Index dropped to Zero [closed]

  - by Brian Anderson

  Earlier this year I rebuilt my website using ZenCart. Immediately I saw a drop in index status from 59 to 0. I then signed up for Google Webmaster Tools and noticed the Index status took a dramatic drop and has never recovered. I have worked to add content and I know I am not done, but have not seen any recovery of this index since. What confuses me is when I look at the sitemap status under Optimization it shows me there are 1239 submitted and 1127 pages indexed. Most of my pages have fallen off page one for relevant search terms and some are as far back as page 7 or 8 where they used to be on the first page. I have made some changes in the past week to robots.txt and sitemap.xml, but have not seen any improvements. Can anyone tell me what might be going on here? My website is andersonpens.net. Thanks! Brian

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• brother MFC-J435W wireless scanning issue

  - by ogreen32

  Thanks for taking the time to read this. I have a brother MFC-J435W and I was able to get the printer set up for wireless printing, but it is not allowing me to scan wirelessly. It gives me the message to "check connection". I'll tell you what I've done so far and maybe someone can help me out. I've installed the scanner driver and scan tool I installed Xsane (to see if it would allow the scanner to communicate with the computer and that didn't help). I've tried restarting the computer. After those things I am now at a loss as to where to go from here. Any help would be great. Thanks. I've also searched for this question in the Brother FAQ as well as on here and I haven't found an answer. Thanks again.

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• getting the user back where they came from with mod_form_auth

  - by bmargulies

  Using the mod_form_auth module in Apache HTTPD 2.4.3, I am looking for a way to have the user redirected to their original desired target after completing a login. That is, if I have a <Location /protected> ... form auth config here </Location> the user might browse to /protected/a, or to protected/b. In either case, they will be presented with the login form. However, as far as I can see, I must specific a single 'success' URL. I'm wondering if I'm missing some Apache feature that would allow me to, for example, cause the redirect to the login form go to something like: https://login.html?origTarget=/protected/a via some syntax on the AuthForLoginRequiredLocation statement?

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• Motivation Problems, Middle School Programmer [closed]

  - by Anonymous

  I'm in middle school at the moment and have been programming for about a year and a half. I mostly work with Python and Ruby, and am currently learning Rails. I know, you can never learn enough, it takes a looong time to master a subject, but I feel like I don't have much left to learn :(. I've learned many concepts in Python, learned basically the whole std lib and have written a ton of programs, same with Ruby. In Ruby I've also done a lot of metaprogramming. After I've learned all the concepts, and written a lot of programs, there is nothing really left for me to do! What can I do, now that I've learned all the concepts, and written some programs? I can't get a job working with real developers, and the programming camp I went to last year was far too easy.

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• How to pass results of bc to a variable

  - by shaolin

  I'm writing a script and I would like to pass the results from bc into a variable. I've declared 2 variables (var1 and var2) and have given them values. In my script I want to pass the results from bc into another variable say var3 so that I can work with var3 for other calculations. So far I have been able write the result to a file which is not what I'm looking for and also I've been able to echo the result in the terminal but I just want to pass the result to a variable at moment so that I can work with that variable. echo "scale=2;$var1/var2" | bc

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• How can i change focus when game locks it?

  - by GrizzLy

  I am playing wolfenstein:enemy territory, and if i play it in windowed mode, i can't change focus from game to something else (alt+tab doesnt work). EDIT1: As far as i could try, only ctrl+alt+Fx works (x is one number, for example F1 will switch to terminal). Could i somehow capture this kind of shortcut somewhere on X level and then send it to compiz to change focus (minimize currently focused window)? EDIT2: I found one other way, it works for Wolf:ET, it may help with other games too, if you turn on gameconsole (usually tilde key) game will release mouse lock (in windowed mode).

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• Google I/O 2012 - High Performance HTML5

  Google I/O 2012 - High Performance HTML5 For years we built web apps that far outpaced the capabilities of the browsers they ran in. Just as the browsers were catching up HTML5 came on the scene - video and audio, canvas, SVG, app cache, localStorage, @font-face, and more. Now the browsers are racing to stay ahead of the wave that's building as developers adopt these new capabilities. Is your HTML5 app going to ride the wave or be dashed on the rocks leaving users stranded? Learn which HTML5 features to seek out and which to avoid when it comes to building fast HTML5 web apps. This session will be live captioned. From: GoogleDevelopers Views: 91 1 ratings Time: 01:02:07 More in Science & Technology

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• What are good words for defining multiples?

  - by Scott Langham

  In databases you might take about one-to-many. This means there's one thing that maps to zero or more others. In this kind of style I'm looking for words that define min/max amounts of things. So far, I have: min max one 1 1 many 0 infinite optional 0 1 ??? 1 infinite Is there a single word that fits '???' to mean more than one? Do you have better alternatives for 'optional'? I'm wondering if there are any conventional names for those concepts?

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• What does a node.js web application's setup look like on a real production server?

  - by joe

  Being new to node js magic world, i'm wondering how does a web application's setup look like on a real production server? So far all tutorials, create the js file that is started from a console...and that's it. Anyone has created a real world web app that uses node js in the back end? Can you please describe how is it setup, and how reliable this infrastructure is ? I'm coming from the asp.net and php world that require heavy web servers...and can't have a clear idea about node stuff.

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• Implementing movement on a grid

  - by Dvole

  I have a simple snake game, where I have other NPC snakes on the field. How do I calculate the movement of those other snakes so that they did not hit walls, and each other? So far I have it like this: I check for current coordinates and when there is a wall nearby I change direction to some other one. And so on, this way the snakes never collide the walls. But not actually colliding other snakes, how do I prevent this? I figured I could probe for the direction I'm heading and if there is anything there I would change direction too, but there is a set of situation where this won't work, for example if another snake will block off all exits later.

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• Which drivers do I need for Ethernet and CAN bus on Intel Tolapai?

  - by Hanno Fietz

  I've installed 10.04 Server on an embedded machine (NISE 110 by Nexcom) and the builtin Ethernet and CAN-bus controllers don't work out of the box. The controller seems to be an Intel EP80579 chipset for both, according to lspci. I tried Intel's product website, where they seem to have FreeBSD drivers only. There's also drivers for RedHat, but I'm struggling with the manual build required to get them to work. Googling so far didn't get me anywhere. Which drivers do I need, and where do I get them?

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• Dropbox icon dissapears right after login

  - by garvamel

  Even though Dropbox's app indicator dissapearing from the tray area seems like a recurrent enough problem, my issue is a litte different. When I login, I can see the app panel populating, and the dropbox icon does indeed appear (config'd as startup application), but after some other icons show up (bluetooth, battery, etc.) it's gone. It's still running though. I'm guessing it's having issues with staying pinned, and I don't know how to start addressing this problem. I have tried many if not all solutions provided here in the forums for the "icon missing" questions. So far: I've whitelisted everything regarding panel Uninstalled-reinstalled (with and without rebooting in between) Overwritten current installation Purged installation from terminal Installed from Software Center and from .deb file batch deleted every "dropbox" ocurrences from terminal (files and folders) and reinstalled Ran sudo apt-get install libappindicator1, it installed, but didn't solve anything I'm on Ubuntu 12.04 LTS - 64 bits. Any insight would me much appreciated!

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• Any tips to learn how to program with severe ADHD?

  - by twinbornJoint

  I have a difficult time trying to learn how to program from straight text-books. Video training seems to work well for me in my past experiences with PHP. I am trying my hardest to stay focussed and push through. Specifically I am looking to start indie game development. Over the last two weeks I have been trying to pick the "right" language and framework to develop with. I started going through Python, but I am not really enjoying the language so far. I am constantly looking through this website to compare this language to that, and keep getting distracted. Aside from all of this, is it possible to become a programmer when you have trouble focussing? Has anyone been through this that can recommend some advice? edit - you guys can check my new question out with detailed information thanks to all of the responses from this thread. http://programmers.stackexchange.com/questions/15916/what-is-the-best-language-and-framework-for-my-situation

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• Behavior tree implementation details

  - by angryInsomniac

  I have been looking around for implementation details of behavior trees, the best descriptions I found were by Alex Champarand and some of Damian Isla's talk about AI in Halo 2 (the video of which is locked up in the GDC vault sadly). However, both descriptions fall short of helping one actually create a BT, one particular question has been bugging me for a while. When is the tree in a behavior tree evaluated? Furthermore: If the tree is in the middle of executing a sequence of actions (patrolling waypoints) and a higher priority impulse comes in (distraction sound) , how to switch to that side of the tree seamlessly without resorting to a state machine like system and if it is decided that the impulse was irrelevant (the distraction is too far away to affect this guard), how to go back to the last thing that the guard was doing ? I have quite a few questions like this and I don't wish to flood the board with separate queries so if you know of any resource where questions like these can be answered I would be very grateful.

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• Are there any arguments that can make a contractor reconsider working on fixed price ?

  - by julien

  I've been working for a contractor who brings in some good projects, but they are all fixed-price and often fixed-time. As a result he always has me making a quote over loose requirements, which never fails to bring a lot of tension due to feature creep. He claims he'd never get a contract if he couldn't agree on a price with his clients first, but as far as I'm concerned I don't wanna go through another project under these terms. Is there any argument I could make to have him pay me by the hour, or should I just suck less at estimating ?

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