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• tunneling x11vnc through ssh on a non standard port to ubuntu computer tightvnc

  - by user72372

  I have been stuck with setting up my virtual desktop on my ubuntu laptop. I am running ubuntu to ubuntu with x11vnc I start the process on my laptop as follows: " ssh -L5904:localhost:5900 -p Port remoteuser@remoteip." That command works, then I start x11vnc server, "x11vnc -noncache -once -shared -rfbauth ~/.vnc/passwd." This command works and starts connection. Then I open another window on my laptop and type, export VNC_VIA_CMD='/usr/bin/ssh -2 -c aes128-cbc -x -p Port -l User -f -: %L:%H:%R %G sleep 20' (not sure if works). then I type, vncviewer -endcodings Tight -depth 8 -quality 1 -via IPofremotemachine -u remoteuser localhost:01. The first time it work but from now on it just gives me the vncviewer -help screen everytime. I type in the password for my remote machine and then shows -help screen for vncviewer. I think the problem is with Tightvnc viewer but don't know what. Please help. I got some info on www.vanemery.com/Linux/VNC/vnc-over-ssh.html?.

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• How to fix the boot set up?

  - by Chris

  I got two OSes in my PC, Ubuntu and Windows 7. Until yesterday Windows 7 was on top of my dual-boot menu list, but I wanted to change it, so I went inside Windows configurations and put Ubuntu first, but I also set the time to 0 because I thought I could access Windows through Grub. But what happens is that after I upgraded Ubuntu to 11.10, that screen with boot options don't show Windows 7 anymore. I went online searching for a solution to my problem, most of them told me to configure some Grub options and others to use programs to do it. I've done them all and still can't access Windows 7. Just in case my problem is not clear yet, this is how was my boot order before I messed it all up: Windows 7 Ubuntu with a time of 10 secs to choose between both. This is how I wanted it to be: Ubuntu Windows 7 with 0 time to choose, but, inside Ubuntu I could access Windows through that Grub screen. But this is what happens: Ubuntu Windows 7 0 time, so it don't let me choose anything and jumps inside Ubuntu then inside Ubuntu grub doesn't show up anymore (black screen) and it starts Ubuntu normally. I tried to fix this many times from different ways inside Ubuntu but nothing worked, also when I try do something and then upgrade my grub with sudo upgrade-grub it shows this message: Generating grub.cfg ... Found Windows 7 (loader) on /dev/sda1 Skipping Windows 7 (loader) on Wubi system Found linux image: /boot/vmlinuz-3.0.0-12-generic Found initrd image: /boot/initrd.img-3.0.0-12-generic Found linux image: /boot/vmlinuz-2.6.38-12-generic Found initrd image: /boot/initrd.img-2.6.38-12-generic done Thats why in the title I said it could probably be my WUBI messing all up. Anyone heave a solution for this? Do you need more information? I have a netbook so I cannot use the Windows Repair CD.

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• Ubuntu 12.10 with kernel 3.5.0-18

  - by Chaitanya

  I had ubuntu 12.04 with kernel 3.0.2. Today I have updated my system and got 12.10 with kernel 3.5.0-18. Now when I boot my machine with 3.5 kernel, it starts until the page where I enter my password. Within seconds, I get a page with looooong list of some commands or list. I cant take screenshot of that. It looks something like, [1.2234978942837]kjsahfa;lsfksld;fkjsf;owieurwirejw/rnw;erkjwelrjw2309480432 [1.3294823498230948]as;lfjsf;iuwrijrwjlkerjw;rekwer;lkwjre;lkjRIJWEORIWE'JJA; something like this. Luckily, in my boot page, I have 3.0.2 kernel also. When I boot with 3.0.2 kernel there is no problem. But when I boot with 3.5.0, it throws that wierd error. I wont be able to do anything at that time. None of the keys work. I have to forcibly shutdown the machine and restart with 3.0.2 kernel. Please help..... Thanks, Chaitanya.

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• Almost time to hit the road again

  - by Chris Williams

  I’ve had a few months of not much traveling, but now that the weather is improving… conference season is starting up again. That means it’s time for me to start hitting the road. In June, I have Tech Ed 2010 in New Orleans, LA. I lived in New Orleans for several years, both as military and civilian and I have a few friends still down there. I haven’t been there since before Hurricane Katrina, so I have mixed feelings about returning… but I am still looking forward to it. Also in June, I have Codestock in Knoxville, TN. Codestock is one of my favorite events, primarily because of the excellent people that speak there and also attend sessions. It’s a great mix of people and technologies. Sometime in July or August, I’m headed to Austin, TX for a couple days. I don’t know the exact date yet, but if you have an event down there in that timeframe, let me know and maybe we can sort something out. In September, I’m heading to Seattle for my first PAX (Penny Arcade Expo.)  I’m going strictly as an attendee and it looks like a LOT of fun. Really excited to check it out. Also in September, I’m headed to Omaha for the Heartland Developers Conference. This is a FANTASTIC event, and certainly one of my local favorites. (I guess local is relative, it’s about a 6 hour drive.) In addition to speaking on WP7, I’ll be doing a series of hands on labs on XNA they day before the conference starts, so that should be a lot of fun as well.   In addition to all this stuff, I have my own XNA User Group to take care of. In August, Andy “The Z-Man” Dunn is coming to speak and check out the various food on a stick offerings at the Minnesota State Fair!

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• Authenticate native mobile app using a REST API

  - by Supercell

  I'm starting a new project soon, which is targeting mobile application for all major mobile platforms (iOS, Android, Windows). It will be a client-server architecture. The app is both informational and transactional. For the transactional part, they're required to have an account and log in before a transaction can be made. I'm new to mobile development, so I don't know how the authentication part is done on these platforms. The clients will communicate with the server through a REST API. Will be using HTTPS ofcourse. I haven't yet decided if I want the user to log in when they open the app, or only when they perform a transaction. I got the following questions: 1) Like the Facebook application, you only enter your credentials when you open the application for the first time. After that, you're automatically signed in every time you open the app. How does one accomplish this? Just simply by encrypting and storing the credentials on the device and sending them every time the app starts? 2) Do I need to authenticate the user for each (transactional) request made to the REST API or use a token based approach? Please feel free to suggest other ways for authentication. Thanks!

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• AllSparkCube Packs 4,096 LEDs into a Giant Computer Controlled Display

  - by Jason Fitzpatrick

  LED matrix cubes are nothing new, but this 16x16x16 monster towers over the tiny 4x4x4 desktop variety. Check out the video to see it in action. Sound warning: the music starts off very loud and bass-filled; we’d recommend turning down the speakers if you’re watching from your cube. So what compels someone to build a giant LED cube driven by over a dozen Arduino shields? If you’re the employees at Adaptive Computing, you do it to dazzles crowds and show off your organizational skills: Every time I talk about the All Spark Cube people ask “so what does it do?” The features of the All Spark are the reason it was built and sponsored by Adaptive Computing. The Cube was built to catch peoples’ attention and to demonstrate how Adaptive can take a chaotic mess and inject order, structure and efficiency. We wrote several examples of how the All Spark Cube can demonstrate the effectiveness of a complex data center. If you’re interested in building a monster of your own, hit up the link below for more information, schematics, and videos. How Hackers Can Disguise Malicious Programs With Fake File Extensions Can Dust Actually Damage My Computer? What To Do If You Get a Virus on Your Computer

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• What reasons are there to reduce the max-age of a logo to just 8 days? [closed]

  - by callum

  Most websites set max-age=31536000 (1 year) on the Cache-control headers of static assets such as logo images. Examples: YouTube Yahoo Twitter BBC But there is a notable exception: Google's logo has max-age=691200 (8 days). I've checked the headers on the Google logo in the past, and it definitely used to be 1 year. (Also, it used to be part of a sprite, and now it is a standalone logo image, but that's probably another question...) What could be valid technical reasons why they would want to reduce its cache lifetime to just 8 days? Google's homepage is one of the most carefully optimised pages in the world, so I imagine there's a good reason. Edit: Please make sure you understand these points before answering: Nobody uses short max-age lifetimes to allow modifying a static asset in future. When you modify it, you just serve it at a different URL. So no, it's nothing to do with Google doodles. Think about it: even if Google didn't understand this basic trick of HTTP, 8 days still wouldn't be appropriate, as only those users who don't have the original logo cached would see the doodle on doodle-day – and then that group of users would go on seeing the doodle for the following 8 days after Google changed it back :) Web servers do not worry about "filling up" the caches of clients (or proxies). The client manages this by itself – when it hits its own storage limit, it just starts dropping the lowest priority items to make space for new items. The priority score is based on the question "How likely am I to benefit from having cached this URL?", which is nothing to do with what max-age value the server sent when the URL was originally requested; it's a heuristic based on the "frecency" of requests for that URL. The max-age simply lets the server set a cut-off point – the time at which the client is supposed to discard the item regardless of how often it's being re-used. It would be very nice and trusting of a downstream client/proxy to rely on all origin servers "holding back" from filling up their caches, but I don't think we live in that world ;)

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• Wrong resolution for Lightdm/GDM on Ubuntu 13.04 using HDMI

  - by f03lipe

  I've tried all the solution I could find on the matter so far, but the error persists. My problem is that the login screen (both under gdm and lightdm) runs with the wrong resolution, even though all is fine when I log in. The error occurs solely when I have my HDMI cable connected to my other screen. The login screen resolution becomes 1024x768 (for my 1366x768 laptop screen) and mirrored on my screen, which is 1920x1080. I've had this issue on version 12.04 (the last one before I upgraded to 13.04), but I got it fixed by adding the xrandr commands on the begining of the /etc/gdm/Init/Default file. This doesn't seem to work anymore. I've also tried telling lightdm to run a script fixing the resolution with xrandr (by editing /etc/lightdm/lightdm.conf), but lightdm crashes, and I'm forced to log in with low graphic settigs. Hint: when ubuntu is loading, the resolution starts OK, then goes bad right before the login screen is initialized. Does that mean that there's nothing wrong with my graphic cards? What do you think? Cheers!

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• Ubuntu won't load, freezes on purple screen

  - by kara

  Last time I restarted my computer, I could not get Ubuntu to load; the screen would either go black, or would hang at the purple screen indefinitely. I have had some graphics problems in the past, but had put 'nomodeset' after 'quiet splash' in the grub command line, which at least let Ubuntu load. That doesn't work now, and doesn't work if I remove it. I looked up some answers, such as this one: Purple start screen - no splash screen However, when I enter the root in recovery mode in grub, I always get errors when I run those command lines and it won't let me modify the files. Also, if I run in recovery mode and then choose 'resume normal boot', it will continue. But instead of getting a usual interface, I get a black screen that asks for my username and password. I enter these, and it tells me I'm in Ubuntu 12.04, but I'm still on a black screen with texts. It also informs me that there are updates to install. When I use the command 'sudo apt-get update', it starts to retrieve the information, but then the screen goes blank after a couple of seconds and I can't do anything anymore. Any ideas?

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• Glue Records creation

  - by FFrewin

  I need some information on the following issue, as I would like to have it clear on my mind. I have a VPS server. All my sites hosted on this VPS are using as NameServer .gr domain, like ns1.greekdomain.gr & ns2.greekdomain.gr . The .gr domain name is a domain I own with a greek registar. Now, I want to move 2 websites with .co.uk domain names to my VPS. The co.uk domain names are registered with a UK based registar. When I went in the domain management panel, I did changed the nameservers of my domains to my ns.greekdomain.gr ns. However the panel returns an error about invalid nameservers. After digging, I found that my nameservers are not valid because they do not exist as records in the .co.uk registry. And here it starts my big trouble. The .co.uk registart tells me that I have to ask my hosting provider / .gr registar to create a new record to the .uk registry for my nameservers. The .gr registar tells me that my uk registar needs to create a new record for my ns. From Nominet (.co.uk) registry, the one employee tells me that I need to ask my uk registar, the other employee (seemed to not understand what I was asking) told me that they cannot change my nameservers for me, and she told me to contact anyone else (old hosting provider, uk registar, .gr registar) to help me with that. I can't find help from nobody. I try since the last week to transfer my websites to my VPS and I can't. So, the question is who is responsible and who is able to create glue records for my nameservers ?

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• Synaptics touchpad problem when disabling it and then enabling it

  - by CYREX

  My girlfriend has an HP dv6000. In ubuntu 10.10 32bit i use the synaptic on it and all is good but when i disable it and enable it the problem starts. when i press the disable button in the synaptics touchpad it disables the mouse AND the keyboard. After enabled the Keyboard keys and Mouse clicks do not work. If i click on the panel below, for example the Applications, Places or System buttons the focus gets stuck there forever. I can open nautilus by clicking on it but i can not use the menus, the ALT+F2 function, see the wireless connections, lower the sound through the panel, etc.. Here comes the weird part. If i press CTRL+ALT+F1 (or any other tty for that matter) and then come back to CTRL+ALT+F7 where the gui is everything works perfect again. This started about a week ago but she told me right now. i checked dmesg which is for sometime now throwing some warnings about Skipping EDID probe do to cached edid but for what i could find out this did not create the problem in the start. NOTE: I do not need to login when i do CTRL+ALT+F1 i just need to change to another tty then come back to F7. What could be causing this problem?

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• Network connection fails when downloading data

  - by Guus

  In the past few weeks, I've noticed my network connection becoming unstable while downloading files. I'm not sure how to diagnose this issue. I've found that my network connections appear to be temporarily unresponsive (for periods up to a minute or so) while I'm downloading a file (that's large enough to not be downloaded instantly). The problem occurs when downloading data through a webbrowser, but also when using SCP to download data from a remote location. During the period in which network connections are unresponsive, every resource that I try to access over the network is unavailable. This includes: The download itself (SCP reports a 'stalled' download) Web pages (won't load - browsers report 'resource unavailable') SSH sessions (CLI freezes) VPN connections (connections terminate) IM client connections (client starts reconnection attempts) ... (everything is pretty much dead) I've noticed that during such a period, I cannot even access the (web-based) administrative console of the router on my LAN at home (although it remains reachable for other devices). The problem occurs when connected to my home network, but also when I'm in the office. Other devices than my laptop are not affected. Given the above two characteristics I assume the problem cause lies within my laptop, not the network infrastructure. I'm running Ubuntu 11.10. Apart from applying automatic updates from Ubuntu, I can't think of a change that I applied to the OS that could have started the problems. I'm absolutely positive that this issue did not occur up to a few weeks ago (as it's very noticeable, and only started to annoy me in the last few days). When the problem occurs, applications that make use of a network connection fail visibly (I get popups telling me that a VPN connection is broken, for instance). The network manager does not report any issues related to my wifi-connection though. Help?

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• How can I read a portion of one Minecraft world file and write it into another?

  - by RapierMother

  I'm looking to read block data from one Minecraft world and write the data into certain places in another. I have a Minecraft world, let's say "TemplateWorld", and a 2D list of Point objects. I'm developing an application that should use the x and y values of these Points as x and z reference coordinates from which to read constant-sized areas of blocks from the TemplateWorld. It should then write these blocks into another Minecraft world at constant y coordinates, with x & z coordinates determined based on each Point's index in the 2D list. The issue is that, while I've found a decent amount of information online regarding Minecraft world formats, I haven't found what I really need: more of a breakdown by hex address of where/what everything is. For example, I could have the TemplateWorld actually be a .schematic file rather than a world; I just need to be able to read the bytes of the file, know that the actual block data starts always at a certain address (or after a certain instance of FF, etc.), and how it's stored. Once I know that, it's easy as pie to just read the bytes and store them.

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• Code &amp; Slides &ndash; SDE &ndash; What&rsquo;s new in Silverlight 4

  - by Timmy Kokke

  Last Tuesday the Software Developers Network – SDN organized another SDE. I’ve had the opportunity to present a session about Silverlight 4. I talked about lots of new features in Silverlight 4 and Expression Blend 4, focused on the Out-Of-Browser features.     The slides of my presentation can be downloaded here.   In my presentation I demonstrated a couple of features from my new pet project “SilverAmp”. This project is based on the legendary WinAmp, but made entirely in Silverlight. I use it to try out many new Silverlight 4 features. It’s not finished yet, but useful already. It runs outside the browser with elevated trust. It reads your local MyMusic folder and uses the TagLib library to read the ID3 tags of the mp3s it finds. SilverAmp is using MEF for extensibility. It uses a custom Window Chrome, designed in Expression Design. And it shows a notification window when a new song starts to play.   In the future it is going to get song information from Last.FM, will be able to show YouTube videos inside itself and it will tweet about what you are playing. The project will be fully documented to function as a reference implementation for the new Silverlight 4 features.   You can download the source on  http://SilverAmp.codeplex.com   Below are two screenshot of SilverAmp.                     If you have any questions, comments,  issues or feature requests let me know.

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• Entity system in Lua, communication with C++ and level editor. Need advice.

  - by Notbad

  Hi!, I know this is a really difficult subject. I have been reading a lot this days about Entity systems, etc... And now I'm ready to ask some questions (if you don't mind answering them) because I'm really messed. First of all, I have a 2D basic editor written in Qt, and I'm in the process of adding entitiy edition. I want the editor to be able to receive RTTI information from entities to change properties, create some logic being able to link published events to published actions (Ex:A level activate event throws a door open action), etc... Because all of this I guess my entity system should be written in scripting, in my case Lua. In the other hand I want to use a component based design for my entities, and here starts my questions: 1) Should I define my componentes en C++? If I do this en C++ won't I loose all the RTTI information I want for my editor?. In the other hand, I use box2d for physics, if I define all my components in script won't it be a lot of work to expose third party libs to lua? 2) Where should I place the messa system for my game engine? Lua? C++?. I'm tempted to just have C++ object to behave as servers, offering services to lua business logic. Things like physics system, rendering system, input system, World class, etc... And for all the other things, lua. Creation/Composition of entities based on components, game logic, etc... Could anyone give any insight on how to accomplish this? And what aproach is better?. Thanks in advance, HexDump.

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• Cannot Create Bootable USB Drive from .iso file

  - by tarabyte

  I've tried formatting the flash drive as FAT as well as Mac OS journaled through diskutility but still cannot successfully create a bootable drive. I'm following the directions here exactly: http://www.ubuntu.com/download/help/create-a-usb-stick-on-mac-osx Environment: Macbook Pro trying to create a bootable flash drive for a Macbook Pro. 8GB flash drive. Tested ubuntu-12.04.1 as well as ubuntu 12.20 .iso 64-bit downloads. Nothing to repair in disk utility for this hard drive. Every time I finish step 8 of the tutorial I get "file system not recognized" with the options to "initialize" meaning to reformat my drive, "ignore" or "eject." When I try to re-inspect the flash drive in disk utility after plugging it back in I see that it has some error when I try to verify it but the "repair" button is disabled. I just want to boot to ubuntu when my mac first starts up. Oh the pain. http://lifehacker.com/5934942/how-to-dual-boot-linux-on-your-mac-and-take-back-your-powerhouse-apple-hardware "linux is free insomuch as your time is worthless" - old wise man

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• Flickering problem with world matrix

  - by gnomgrol

  I do have a pretty wierd problem today. As soon as I try to change my translation- or rotationmatrix for an object to something else than (0,0,0), the object starts to flicker (scaling works fine). It rapid and randomly switches between the spot it should be in and a crippled something. I first thought that the problem would be z-fighting, but now Im pretty sure it isn't. I have now clue at all what it could be, here are two screenshots of the two states the plant is switching between. I already used PIX, but could find anything of use (Im not a very good debugger anyway) I would appreciate any help, thanks a lot! Important code: D3DXMatrixIdentity(&World); D3DXVECTOR3 rotaxisX = D3DXVECTOR3(1.0f, 0.0f, 0.0f); D3DXVECTOR3 rotaxisY = D3DXVECTOR3(0.0f, 1.0f, 0.0f); D3DXVECTOR3 rotaxisZ = D3DXVECTOR3(0.0f, 0.0f, 1.0f); D3DXMATRIX temprot1, temprot2, temprot3; D3DXMatrixRotationAxis(&temprot1, &rotaxisX, 0); D3DXMatrixRotationAxis(&temprot2, &rotaxisY, 0); D3DXMatrixRotationAxis(&temprot3, &rotaxisZ, 0); Rotation = temprot1 *temprot2 * temprot3; D3DXMatrixTranslation(&Translation, 0.0f, 10.0f, 0.0f); D3DXMatrixScaling(&Scale, 0.02f, 0.02f, 0.02f); //Set objs world space using the transformations World = Translation * Rotation * Scale; shader: cbuffer cbPerObject { matrix worldMatrix; matrix viewMatrix; matrix projectionMatrix; }; // Change the position vector to be 4 units for proper matrix calculations. input.position.w = 1.0f; // Calculate the position of the vertex against the world, view, and projection matrices. output.position = mul(input.position, worldMatrix); output.position = mul(output.position, viewMatrix); output.position = mul(output.position, projectionMatrix);

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• Click buttons on the mouse stopped working in 12.10

  - by Kushal

  everything was great for a couple weeks after the upgrade, and then all of a sudden, the click buttons on my trackpad (as well as any other USB mouse I would hook up) stopped working. The pointer moves fine, but the clicks don't work. Sometimes the left click doesn't work but right click does, and then some times, neither works. I noticed this would begin when I would accidentally drag some text in a web browser (you know how when you try to move your pointer through the trackpad, but you accidentally tap down and it starts to drag whatever text you've selected on the window), and then you're done. The clicks won't work after that. They would work upon rebooting or logging off and back on, but then after a few minutes of usage, things would go back to being broken again. It happened a LOT when I was trying to play Scrabble on Facebook. I've raised a bug for this, but I haven't heard back anything on it. Here's the bug report: https://bugs.launchpad.net/bugs/1077805 Since the system was unusable this way, I had to remove it and install another OS based on 12.04. Has anyone else faced this issue or does someone know what to do to fix it? I'd go back to vanilla Ubuntu in a heartbeat if this issue can be fixed.

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• thick client migration to web based application

  - by user1151597

  This query is related to application design the technology that I should consider during migration. The Scenario: I have a C#.net Winform application which communicates with a device. One of the main feature of this application is monitoring cyclic data(rate 200ms) sent from the device to the application. The request to start the cyclic data is sent only once in the beginning and then the application starts receiving data from the device until it sends a stop request. Now this same application needs to be deployed over the web in a intranet. The application is composed of a business logic layer and a communication layer which communicates with the device through UDP ports. I am trying to look at a solution which will allow me to have a single instance of the application on the server so that the device thinks that it is connected as usual and then from the business logic layer I can manage the clients. I want to reuse the code of the business layer and the communication layer as much as possible. Please let me know if webserives/WCF/ etc what i should consider to design the migration. Thanks in advance.

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• Best practices in versioning

  - by Gerenuk

  I develop some scripts for data analysis in a small team. For the moment we use SVN, but not in a very structured way. We haven't even looked how to use branches even though we need this functionality. What do you suggest as the best practice to setup the following system: two code bases (core and plugins) versions can be incompatible to previous scripts sometimes individual features are being developed and not yet finished, while other fixes have to be done urgently to the code In the end we don't deliver the code as a package, but rather place the Python scripts in some directory (with version names?). Some other python script which serves as a configuration choses the desired version, sets the path to these libraries and then starts to import the modules. I saw stable releases to be named "trunk" so I did the same. However, no version numbers yet. Core and plugins are different repositories, however we have to match versions for compatibility. Can you suggest some best practices or reference to ease development and reduce chaos? :) Some suggested GIT. I haven't heard about it, but I'm free to change.

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• wireless blocked after installing ubuntu 12.04

  - by Cornelia Frank

  I am using a lenovo S10-3 ideapad; had no problems with earlier version of ubuntu, only since installing 12.04. Have looked through many of the questions on the same issue and tried potential solutions but cannot seem to solve my problem. The hardware switch is in 'on' position and the wireless light comes on very briefly (2-3 sec) when the laptop starts up but then goes off and stays off. Pressing FN+F5 does nothing at all. I'd be grateful for any assistance. Cornelia Have received the following responses in Terminal: cf@cf-Lenovo:~$ rfkill list all 0: ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: no 1: ideapad_bluetooth: Bluetooth Soft blocked: no Hard blocked: no 2: phy0: Wireless LAN Soft blocked: no Hard blocked: yes cf@cf-Lenovo:~$ iwconfig lo no wireless extensions. wlan0 IEEE 802.11bgn ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=off Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off eth0 no wireless extensions. cf@cf-Lenovo:~$ lshw -C network WARNING: you should run this program as super-user. *-network description: Ethernet interface product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:05:00.0 logical name: eth0 version: 02 serial: 00:26:9e:ee:7f:4c size: 100Mbit/s capacity: 100Mbit/s width: 64 bits clock: 33MHz capabilities: bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=N/A ip=10.0.1.8 latency=0 multicast=yes port=MII speed=100Mbit/s resources: irq:43 ioport:2000(size=256) memory:f0520000-f0520fff memory:f0510000-f051ffff memory:f0540000-f055ffff *-network DISABLED description: Wireless interface product: AR9285 Wireless Network Adapter (PCI-Express) vendor: Atheros Communications Inc. physical id: 0 bus info: pci@0000:09:00.0 logical name: wlan0 version: 01 serial: c4:17:fe:f8:bc:d7 width: 64 bits clock: 33MHz capabilities: bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=ath9k driverversion=3.2.0-31-generic-pae firmware=N/A latency=0 multicast=yes wireless=IEEE 802.11bgn resources: irq:18 memory:f0100000-f010ffff WARNING: output may be incomplete or inaccurate, you should run this program as super-user.

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• How to ensure nvidia_current module loads during boot

  - by Aras

  I am running Ubuntu 12.10 on an Asus G75V laptop with nvidia gforce GTX 660M. I first run 12.04 on this machine and was able to install nvidia_current drivers from swat ppa: sudo apt-add-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update sudo apt-get install nvidia-current This worked in 12.04 and after rebooting the machine my graphics where working properly. After upgrade to 12.10 however, the machine boots into a low resolution desktop which I can not really interact with. I suspect this is due to the driver not being loaded properly. To fix this, I have to switch to ctrl+alt+F1 session and manually load the nvidia_current module and restart the desktop manager: sudo modprobe nvidia_current sudo service lightdm restart Now everything works fine again. However, I would like not to have to do this every time I reboot the machine. I also dont want to hack an script to do this on load. Basically, if things are setup currectly, the nvidia_current driver which is installed should load. How can I make sure nvidia_current driver module loads properly when system starts?

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• Passing Parameters to an ADF Page through the URL - Part 2.

  - by shay.shmeltzer

  I showed before how to pass a parameter on the URL when invoking a taskflow (where the taskflow starts with a method call and then a page). However in some simpler scenarios you don't actually need a full blown taskflow. Instead you can use page level parameters defined for your page in the adfc-config.xml file. So below is a demo of this technique. I'm also taking advantage of this video to show the concept of a view object level service method and how to invoke it from your page. P.S. You might wonder - why not just reference #{param.amount} as the value set for the method parameter? Why do I need to copy it into a viewScope parameter? The advantage of placing the value in the viewScope is that it is available even when the page went through several sumbits. For example if you switch the "partialSumbit" property of the "Next" button to false in the above example - the minute that you press the button to go to the next department - the param.amount value is gone. However the ViewScope is still there as long as you stay on this page.

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• Why job postings always looking for "rockstars?"

  - by Xepoch

  I have noticed a recent trend in requesting programmers who are rockstars. I get it, they're looking for someone who is really good at what they do. But why (pray) make the reference to a rockstar? Do these companies really want these traits as a real rockstar? Party all night and wake up to take care of quick business in the morning? Substance abuse, Narcissism with celebrity, Compensation well exceeding their management, Excellent at putting on a short-lived show, Entertainment instead of value, 1 hit (project) wonders or single-genre performers, Et cetera What is wrong with Senior or Principal Software Engineer who has an established and proven passion for the business? Rather do we mean quite the opposite, someone who: rolls up the sleeves and gets to work, takes appropriate direction and helps influence teams, programs in lessons' learned and proper practices, provides timely communication to the whole team, can code and understand multiple languages, understands the science and theory behind computation, Is there a trend to diversify the software engineering ranks? How many software rockstars can you hire before your band starts breaking up? Sure, there are lots of folks doing this stuff on their own, maybe even a rare few who do coding for show, but I wager the majority is for business. I don't see ads for rockstar accountants, or rockstar machinists, or rockstart CFOs. What makes the software programmer and their hiring departments lean towards this kind of job title?

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• Ubuntu Boot Slow - Late Drive Access

  - by Mo2

  So I just installed Ubuntu on a brand new Samsung 840 Pro SSD and have noticed that it is slower than expected. The LED access light doesn't start blinking until after 20 seconds or so have passed, after which the boot up seems to actually start. Does anyone have any ideas as to why this is happening? I have Windows 7 installed on a separate SSD and use Windows Loader as the main loader. Windows Loader points to GRUB2, from which I then start Ubuntu up. The 20 seconds count that I mentioned earlier starts AFTER I select Ubuntu 14.04.1 from the GRUB2 menu. Any help is appreciated. EDIT: I forgot to mention that I have only one partition for / and /home. I intend on using a shared NTFS drive for my documents and other personal files, so I had no need for the /home. I did not make a /swap since I have 12 GB of RAM. I also did not make a /boot since I was told that it's not really necessary in my case.

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