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• 12.10 unable to connect to the Internet using Chrome or Firefox

  - by Thomas Anderson

  I received a software update for Ubuntu 12.10 while using Zorin OS6 wireless. I accepted the update and installed 12.10. Please tell me the step by step, using layman's terms, on how to get Google Chrome, or Mozilla Firefox to connect to the Internet? I am receiving DNS server error with both browsers. I can connect to my router wired or wireless. I posted and received initial information but was not sure exactly what some of the terms were and or what to do next etc. I am not necessarily familiar with some technical terms, or do I need to install additional plug-ins? I do not know what proxy or DCHP means or what do with these terms please, please help. I am not a programmer, nor do I work in IT. Again please help.

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• T-SQL Tuesday #007 and T-SQL Tuesday Has a Logo

  - by Adam Machanic

  This month’s T-SQL Tuesday is hosted by Jorge Segarra, the “SQL Chicken.” The topic is rather open ended: What is your favorite new(ish) SQL Server feature? Love the DACPAC? Can’t wait for PDW? Post about it and tell us why! In other T-SQL Tuesday news, we now have a logo. Those of you who are participating in the event, take notice; the rules have changed. Now that we have a logo we’re simplifying the linkback and subject guidelines a bit. Henceforth you can title your post however you want. It...(read more)

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• Can't boot from liveUSB when trying to install it alongside Windows 7

  - by ali

  I'm very noob at Linux and installing techniques. I want to install 12.04 from bootable usb flash alongside Windows 7 (also tried live CD but not working) but computer is not booting from USB flash or LIVE-CD and boots windows 7 (Acer Aspire 4750g) and of course I have set the BIOS priority in the right way. There is one important point to tell that I have installed Fedora 16 on my laptop successfully and now I have it on my system. When I was trying to install Fedora I got some error and searched about it and got this point that I should delete a .efi file and then installation went right. In this case , what should I do to solve the problem? (I also don't need my Fedora anymore).

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• How to improve testing your own code

  - by Peter

  Today I checked in a change on some code which turned out to be not working at all due to something rather stupid yet very crucial. I feel really bad about it and I hope I finally learn something from it. The stupid thing is, I've done these things before and I always tell myself, next time I won't be so stupid... Then it happens again and I feel even worse about it. I know you should keep your chin up and learn from your mistakes but here's the thing: I try to improve myself, I just don't see how I can prevent these things from happening. So, now I'm asking you guys: Do you have certain groundrules when testing your code?

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• GNU Octave - question about graphs and plotting

  - by Twórca

  I've had task to do - to make an graphical interpretation of adding two functions together: sin(8x) and multiplied -sign(x) in Octave, as shown on image above. And I've done that, but I don't know how to get rid of these lines, which link up gaps between separated values (for example, -1 and 1). I don't want them to be seen especially in third graph. To make helping me easier, I'm going to tell you what I did: I made linear series of numbers, from -100 to 99 (tempx). tempy = -sign(tempx) y1 = [tempy tempy tempy tempy] (this line is kinda funny, if you know Polish language) Creating y2 - sinus function y3 = y2 + y1 Plotting, subplotting... Screenshot Awaiting for instructions...

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• Cannot boot from live cd

  - by Sam

  I have a Hcl notebook P38 PDC, the hard disk is completely blank. I tried installing Ubuntu 11.04 as a .iso image from a cd but it did not boot. Later I tried installing it from USB using UNetbootin and also Universal USB installer but both in vain. Can someone please tell me what wrong am I doing or what else needs to be done. I am using a Toshiba pen drive 4Gb. I tried booting from the rescue mode but again had the same problem. Would be great if someone helps me out ASAP. Thank you( for reading as well as for helping).

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• Volume setting isn't remembered after restart/shutdown

  - by Iulian

  This is my first time here and I'm new to linux and also to Ubuntu. I've installed first version 11.10 and there was some problems with the unity dock and also the problem with the volume not being remembered after restart or shutdown. I'm using dualboot with Windows 7. Ubuntu was installed after windows. I have 2 sound cards. One is onboard, on the motherboard, and the other is external, an E-MU 0404 USB 2.0 sound card. The last one is my primary sound card and I've choosed it as default output sound card. I've upgraded to 12.04 hopeing that this was fiex but even in this version the OS doesn't keep the volume where it was last time. The big problem is that sometimes I forget about this problem and start music and it starts at full volume and soon I think I will die of heart attack. Is there a way to make it remember or at least to tell him to start at a specific volume not at 100%?

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• I'm 15 and I really want to study Computer Science at University, any advice?

  - by Jake

  I already do a lot of programming in my spare time. I'm confident with PHP, Javascript, jQuery which I use in combination with HTML to create mock-up websites. The specific part of programming I want to get in to is web development/web applications. What I'm asking is since I'm pretty sure this is what I want to do, how can I get a head start? Edit: "If you could tell your 15 year-old self to do something that would benefit your programming career, what would it be?" - I just thought of this and thought it would be a better, more specific question :)

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• Your software-problem-solution approach

  - by Panoy

  Hi, I am unfamiliar with many software development philosophies/approaches such as these: DDD - Domain Driven Development Design TDD - Test Driven Development BDD - Behavior Driven Development Other 3-letter acronym that ends with "development" and many more My question is, when will you get to decide to choose what kind of philosophy/approach to follow? Espceially the top 3 approach in the list: What is TDD for? Why use DDD for this problem? Mainly your answer would be a case-to-case basis or maybe that there is no single universal philosophy/approach to consider. In that case, could you just tell me what type of project/scenario and why did you use that philosophy/approach.

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• Reading 'Index Status' graph in Google Webmaster tools

  - by sam

  I recently found a bunch of old files that had been ftp'ed to a live production server by mistake on a static (html / css / js) site. I manually deleted these files, but today when checking in Google Webmaster tools i found this graph below. The 'update' marker is from 3/9/14, what i can work out is what Google is trying to tell me, are they saying that : There was a ranking update like Penguin or Panda and they penalized my site and un-indexed a load of pages which they thought were junk.. OR Is this showing that I updated the site by deleting the files on the server on 3/9/14 OR Is this something else ?

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• There's no Sound Mixer menu, missing menu option in Sound Recorder

  - by AlexN

  I am using: -Ubuntu 11.10 -Skype -PS3 Eye Toy camera to input video and sound This setup has been properly working in former Ubuntu releases. To use the mic already built in on the PS3 Eye Toy camera I open de Sound Recorder app (notice: not inside Skype, from inside Skype it is not possible to do this) that is included in Gnome and then I go to FileSound Mixer, from this menu I can choose Gnome to get the input audio from the PS3 Eye Toy, instead of from the Audio-In of the computer. Now in Ubuntu 11.10 this Sound Mixer menu inside Sound Recorder is missing, Gnome says something like this: gnome-volume-control is not installed in the proper directory Note: I have tried this on Unity, Unity 2D, Gnome Classic, Gnome Classic 2D and Gnome Shell. In all of them the problem is the same. What can I do? Basically what I want to do is to be able to tell the computer to get the audio in from the PS3 Camera. Thanks in advance.

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• Your software-problem-solution approach

  - by Panoy

  I am unfamiliar with many software development philosophies/approaches such as these: DDD - Domain Driven Development Design TDD - Test Driven Development BDD - Behavior Driven Development Other 3-letter acronym that ends with "development" and many more My question is, when will you get to decide to choose what kind of philosophy/approach to follow? Especially the top 3 approach in the list: What is TDD for? Why use DDD for this problem? Mainly your answer would be a case-to-case basis or maybe that there is no single universal philosophy/approach to consider. In that case, could you just tell me what type of project/scenario and why did you use that philosophy/approach.

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• SQL SERVER Check the Isolation Level with DBCCuseroptions

  In recent consultancy project coordinator asked me – “can you tell me what is the isolation level for this database?” I have worked with different isolation levels but have not ever queried database for the same. I quickly looked up bookonline and found out the DBCC command which can give me the same details. You [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Why do employers care so much about GPA?

  - by Recursion

  I went to a pretty good engineering school and did CS. I graduated with a 2.86 gpa and really tried my best. I even took a few graduate classes in place of undergrad courses to challenge myself. I really liked those a lot. But the second question I am always asked is "What was your gpa?", this of course always comes after "How are you today?". Once I tell them either 2.86 or a rounded 2.9 they immediately shut off. I have even had them stop the interview saying the 3.0 is the cut off. Does a tenth of a point really mean that much?

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• How can I force the (re)discovery of PulseAudio network sound devices?

  - by Christian

  I'm using the PulseAudio feature of network sound devices (not Multicast/RTP) to play sound from my netbook on the audio equipment connected to the HTPC when at home. This creates a virtual sound device that I can then use instead of the physical built-in one. Most of the time this works just fine. Sometimes however, the virtual sound device just doesn't appear. Disconnecting from and reconnecting to the network helps sometimes but not always and it's annoying and potentially bad for existing TCP connections. So my question basically is: Is there some way to tell PulseAudio "Hey, just look again if you really can't find a network sound device."? Edit: Unloading and reloading the module-zeroconf-discover with pacmd does not help either and it doesn't appear to be an avahi problem per se since avahi-browse -t --all | grep PulseAudio shows lots of right-looking stuff, even when the devices aren't listed in pavucontrol or pacmd list-sinks. Edit 2: I'm using Ubuntu 12.04 on both boxes for all the difference it might make.

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• Does google use chrome to check if a link is used by humans or just there for the bots?

  - by sam

  Does clicking a link in chrome tell google the link is used by humans and there fore not just automated backlink spam. It sounds weird but i read it today on a slightly obscure seo blog, they mensionned clicking the backlinks they make in a version of chrome where they have the "send data annonmusly to google" feature turned on. It sounded a bit far fetched but then i thought it could have a truth to it as with google now looking harder at "spammy" links it would mean at least some humans are using them. Has any one else heard anything else about this ?

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• Is it possible to power up ports on a USB hub from Ubuntu?

  - by James Henstridge

  I have a D-Link DUB-H7 powered USB 2.0 hub connected to my computer. Occasionally when I reboot the system, I've noticed that some of the ports on the hub get powered down: the green light next to the port is turned off, and the device attached to that port is not visible to lsusb or similar commands. Devices attached to the other ports on the hub function as normal. I am able to restore the ports by disconnecting power to the hub temporarily (from the computer, AC adapter and any devices that might provide any power such as my phone), but this is a bit of a hassle. It seems like something that might be related to power management, so is there some way you can tell the USB hub to power up through software?

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• Security Issues When Creating Pages in SharePoint

  - by Damon

  I was speaking (or rather IM'ing) with Ben Collins a while back and he came across an interesting problem that I wanted to document for the sake of posterity.  If you have a SharePoint user who has permissions to create a page in a page library, but that user is having security issues trying to actually make a page, then it the security issue may be related to their access rights on the master page gallery.  Users who create pages must have at least restricted read access to the master page gallery for page creation to succeed. That is one of the joys of working in SharePoint. if something doesn't show up there is usually a good but obscure reason for it, but SharePoint certainly won't tell you outright why it is.  All I have to say is that I'm glad he ran into that issue and not me.

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• How to "back track"?

  - by esqew

  I find that I start projects and, due to my lack of experience, find that old database structures and huge blocks of code are inefficient and memory-costly. However, by the time I realize a re-design of the entire project is needed, the project has grown to such a size that it is simply too late to go back and modify the project in its current state and requires a completely new project file and the whole shebang. How should I prevent ruts such as this one, where it is too late to go back and modify the current project to fit specifications modified far down the road from the creation of the project? (Apologies in advance for confusing grammar, it's been a long day here... as you can probably tell.)

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• Guide to particulars in customizing Ubuntu Installer

  - by Oxwivi

  I've tried reading through guides for preseeding and customization, but I did not understand how and where to modify which options. I can only comfortably learn through practical examples, for which I ask this question. I am looking into preseeding and customizing solution to just do a few specific tasks: Completely rewrite the packages installed by default, much like minimal installs and with the --no-install-recommends flag of apt-get. Add a few proprietary applications to the default install list Automatically install and mount proprietary drivers on install and live session Edit the default configuration files for applications installed by default Specify partitions along with permission Modify the package pool in the installer media (CD/DVD/USB), preferably using command line tools similar to apt-get and aptitude. Can anyone please tell me how to configure preseed option to only do the above? NB I do not understand the GPG part after adding/removing packages in the pool. PS The third point is of particular importance.

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• No Wireless In Ubuntu 13.10 (maybe Need Wireless Driver) [duplicate]

  - by viktorhubinette

  This question already has an answer here: No Wireless In Ubuntu 13.10 2 answers hi after updating to ubuntu 13.10 i cant see the wireless networks on the network meny so what should i do ? tell me some commands you need to see to solve the problem. Thanks (i maybe need a wireless driver becouse i installed one when i haved 12.04 becouse i could not connect to wireless before too) i cant connect to wireless that my problem so what do i need to do to get this wireless working again? some outputs lsmod | grep rt1 nothing sudo modprobe rt18192cu FATAL: Module rt18192cu not found. iwconfig eth0 no wireless extensions. lo no wireless extensions. sudo iwlist wlan0 scan wlan0 Interface doesn't support scanning. rfkill list all nothing

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• computer doesn't boot from usb ubuntu installer when trying to install it alongside windows 7

  - by ali

  I'm very noob at linux and installing techniques. I want to install ubuntu 12.04 from bootable usb flash alongside windows 7 ( also tried live CD but now working ) but computer is not booting from usb flash or LIVE-CD and boots windows 7 ( acer aspire 4750g ). and of course I have set the bios priority in the right way. There is one important point to tell that I have installed Fedora 16 on my laptop successfully and now I have it on my system. when I was trying to install fedora i got some error and searched about it and got this point that I should delete a .efi file and then installation went right. In this case , what should I do to solve the problem? ( I also don't need my Fedora anymore )

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• Who does code coverage testing?

  - by Athiruban

  Recently, I was given an opportunity to increase the code coverage in a project based on Java Swing, MySQL and other technologies. They told me to bring the code coverage to 100%, while it was only 45% at the time I joined. I am just starting, not a professional developer, right from the beginning I felt bad even though I write and understand computer programs well. (The developed code contains a lot of technical stuff like Generics and no documentation about the code is available.) Has anyone experienced the same situation before? Please tell who is the right person to do the job.

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• How to set up an environment for android app development?

  - by The Dark Knight

  I have been researching for sometime now regarding the process to install android sdk and associated tools . After visiting Android Developers page, i first installed the android sdk and then installed eclipse plugins for my indigo version from the install softwares options.However, it is mentioned in the developers page : Download the Android SDK. Install the ADT plugin for Eclipse (if you’ll use the Eclipse IDE). Download the latest SDK tools and platforms using the SDK Manager. I have downloaded the sdk and installed the adt plugins for eclipse.I just need to point the eclipse towards the location of the sdk. However, i am stuck at the last step which is asking me to download the latest tools using the sdk manager. The manager interface pops up and i see a lot of options there. I don't know which ones i must select and install. If some one can help me out here and tell me which options to choose and install(if possible, with a screen shot), it will be very beneficial for me.

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• How Can Someone With Minimum Programming Experience Publish an App of an Existing Program not found in the Software Centre?

  - by Brenton Horne

  There's a free mathematics software that I would like to see in Ubuntu Software Centre, called, 'Sage.' I have minimal experience in programming, so I'm basically here asking if someone could either tell me how to accomplish this without said instructions being completely over my head or if someone could do it for me. For further information here's the sage homepage: http://sagemath.org/ and the .tar.lzma file for its installation is ~500MB and it takes around 2.2 GB on the HDD when installed, I found at least on 32 bit i386 Ubuntu 12.04 LTS. Any help will be greatly appreciated!

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