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• Popper Email Notifier not working

  - by Joel

  Using Maverick 64bit I downloaded Popper Email Notifier today. Installed it from the v023 deb. https://launchpad.net/popper I configured it, and the TEST tab shows I configured everything properly. I can't get Popper to appear in the notification menu. I have restarted gnome-pannel, restarted my computer, reinstalled the app. No luck. I checked the /usr/share/indicators/messages/applications/ folder, and there's only the defaults there. Anyone know how to fix this? Even if someone knows what file I can drop into that folder to make it work that'd be great. Edit: I wonder if it's because I removed the evolution-indicator package? Thanks!

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• Good site building for little kids [closed]

  - by guy mograbi

  I am teaching kids to write 3d games with Unity. Now I want to publish their games online along with some other stuff. I don't want to teach them HTML, CSS etc.. I don't mind buying the domain (after a bad experience with "TK" domains I concluded buying one is better), so all I need it hosting and possibly with a builder with a nice interface. Couldn't find one which seems to be the right fit. Can you recommend of anyone? Static HTML hosting will do, but I prefer PHP support and DB just in case we will need to implement a login mechanism.

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• Secondary display showing Ubuntu logo, but is not detected

  - by user72873

  I recently installed Ubuntu using WUBI, and it worked perfectly. However, my laptop is showing the main desktop screen, and my secondary display is only showing the Ubuntu logo with its loading bar underneath, nothing more. When I go to 'displays' it is only detecting my laptop screen, and not my Asus monitor (connected with a vga). Things I've done so far: Unplug and replug vga cable. Reboot computer. Re-install Ubuntu. Checked to see if any drivers needed to be installed. None were needed. I have a Thinkpad W520, with a Nvidia Quadro 1000M Thanks for the help!

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• What should be the correct ownership of /tmp /var /usr and subdirectories?

  - by sbergeron

  For some reason I think the permissions of those were messed up from a small amount of disk corruption I had. This may be a dupe, I don't know but I googled it and didn't find any mention of it. I need to know how the permissions of them should be set up as currently my computer can't actually use the tmp directory and I can't download anything consequently. I have access to the recovery mode command line but while in sudo user prompts it doesn't seem to work correctly. Also something is wrong with package management and I get dpkg: error: unable to access dpkg status area: read-only file system. I know my system is really messed up but I don't want to have to reinstall AGAIN.

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• Where in a typical rendering pipeline does visibility and shading occur?

  - by user29163

  I am taking a computer graphics course. The book and the lecture notes are vague on the on the order of flow between the different steps in the rendering process. For example, if we have specified a view in a scene, and then want to perform a projection transformation for that given view, then we have to go through a sequence of transformations. In the end we end up with a normalized "viewcube" ready to be mapped 2D after clipping. But why do we end up with a cube (ie 3D thing), when a projection results in projecting the 3D objects to 2D. (depth information is lost?) The other line of reasoning is that all information further needed is stored within the "cube" and that visibility detection and shading is performed with respect to this cube and then we perform rasterezation.

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• Ubuntu not selectable in boot menu

  - by user113630

  Im trying to dual boot windows 7 and Ubuntu 12.10. i created a partition in windows 7, booted the Ubuntu cd, installed Ubuntu and created a swap space(following all instructions detailed in various video tutorials). after restarting and taking out the disk my computer boots directly into windows. also, in the boot menu where you select what os to boot, Ubuntu doesn't show up, just windows 7. i didn't want to screw around with any settings and figured the community could figure out my problem faster than i could :p any help is greatly appreciated!

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• Do you think that GAE alone is enough to justify learning Python over Ruby?

  - by Cue

  Considering the fact that you don't have to get involved in setting up/buying a server or even buying a domain, do you think that fact alone is enough to choose one over the other? I don't necessarily want to work on Google App Engine, I just find it convenient when it comes to hosting/environment/etc. and wondering if that's a good enough reason to learn python. In any case, I'm not looking for a debate between python and ruby but more on Google App Engine and whether its value is enough to dictate the language you should learn.

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• Update Manager Partitions

  - by user170585

  Perhaps this is completely stupid, but here's my inquiry: I have Ubuntu 12.04 installed on an external hard drive. On that HD there are 4 partitions. Two for operating systems, two for swap (unnecessary but I like it that way). The actual computer itself has Windows 7. If I use the Update manager to update to 12.10 or even 13.04, would the new Ubuntu install itself on the same partition it already was on? The other operating system I'm running on the Hard Drive is Lubuntu, for when I need to run Linux on older computers, if that matters. Thanks, Adam

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• Cant install Ubuntu. How do you format a Windows HDD

  - by heldeman

  I have an HP 630, and would like to install Ubuntu. All goes well until the point where you have to choose how you want Ubuntu installed. I choose on the whole HDD, I want Windows off the HDD. I press enter and about 5 seconds later the CD tray open and the computer reboots. This happens over and over. How do I format this Window HDD completely to install Ubuntu 13.04. I have tried 3 different CD's and the same thing happens each time.

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• Can we have some "coming soon" text in our app? Will Apple reject it? [closed]

  - by Pedro

  We're getting ready to push our app live. There's some functionality that's not ready yet; it's accessory, not crucial to the user, but it does provide some interesting context. If I have a button with the name of the feature (e.g., "Panoramic Views") and a "COMING SOON" label stuck over it, will Apple reject the submission? What if instead of a button it's just a text label somewhere announcing "Panoramic Views coming soon!"? I've seen some material online saying that "coming soon" is a no-no but all I could find in Apple's guidelines themselves was 2.9, "Apps that are "beta", "demo", "trial", or "test" versions will be rejected". Which is certainly not the case! Thanks in advance, any help greatly appreciated.

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• Sudden Breakthroughs (Miracles at work)

  - by MobileDev123

  Lot of things has been discussed that can be taken as negative things about programmers work. Lets discuss about something good and unexpected things that happen to programmers. Example: (After R&D of two days and a lot of disappointments) You just spend an hour with your PM to explain that some feature due to some problem you are unable to release this module in today's beta... after a lot of arguments you are given an hour to make your app work without this module. You sit on your workstation to make a release and all of a sudden you find what turns out to be a silly little problem.... (you solve it and prepare a desired build) did you face miracle (= sudden, positive surprises?) in your life?? what was your reaction in case you have come through such experience?? (N.B. I know my English is not that good and that's why I'm open to every linguistic mistakes needed to be corrected)

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• How can I remap my keys to act like the Macintosh keyboard (like hold alt l + l click = r click)?

  - by jaorizabal

  I want my keyboard layout to act like a Macintosh keyboard. It's hard to use my computer after years on a mac. I want to disable my right mouse click, and replace it with alt + right mouse click. The alt key will also act like ctrl. I want my left ctrl to be the HUD key. I still want my super key to be the same. Can someone please make a script, or point me in the direction of a program to do all this with ease. If you were to make a script/whatever, can you please make one what will reverse all keyboard changes in-case I feel that it is not the same. I will add to the post if I miss anything. Thank you.

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• Monitor screen size and programming ease

  - by rrazd

  I recently heard that a big part in successful/quick debugging and easing the process of programming is to use a big screen. I may be purchasing a new computer in the future and this has me wondering: 1)Is the aforementioned statement actually true or is it a bit of a stretch? 2)Have you noticed that this plays a significant enough part to buy a bigger screen if the bigger screen is significantly more expensive? 3)Is it common for developers to work on 13'' laptop screen as their main (and only) workstation (this is what I currently develop on) or is this actually disadvantageous? This may be subjective but any professional opinions/experiences would be greatly appreciated!

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• CSS&ndash;margin or padding

  - by woodbase

  I was beginning the implementation of a new design, and once again I found that my margin property on a div-tag, did not behave as I expected. So I decided to look for best practice when it comes to using margin or padding. What I found was this very short and concise description of the difference between the two: “Margin is on the outside of block elements while padding is on the inside. Use margin to separate the block from things outside it, padding to move the contents away from the edges of the block.” So what is best practice? Well it depends on the context. In my case I should have used padding…

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• What could a kernel mode driver be possibly useful to?

  - by John Pell

  This might sound weird but there's an explanation for my question: I want to write something to impress a potential recruiter, and I want (to strenghten my skills) to create a program which should communicate with kernel mode driver(s). I'm not starting from a goal and trying to design the system to achieve it, I'm doing the opposite: designing the system and trying to justify it with a meaningful goal. So here comes the question: what could a kernel mode driver be possibly useful to? The answers that come to my mind right now are: I might want to communicate with hardware (not really my case, it's a software project mainly) I might want to mess around with the OS (security/hooking?) ?? I need some other examples like those

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• Why does the installer freeze at the moving dots?

  - by Kits

  I plan to install Ubuntu as the sole operating system on my old Dell Latitude 110L and the install freezes at the Ubuntu starting dots - it doesn't even get to the point where it asks if you want Ubuntu as the sole operating system. I've tried different USB sticks, and now two different CDs. I even re-formatted the C drive on the old Dell and re-installed a fresh copy of Windows in case there was any interfering junk. Still can't get past the dots. I've done this on other computers without a problem - any advice?

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• Changing OS from Windows to Ubuntu

  - by Shadowinnothing

  So my computer has 2 operating systems on it, Windows 7 and Ubuntu 12.04. When I downloaded Ubuntu i had a ton of trouble booting windows 7 up again, then I downloaded GRUB and switched my default OS back to Windows. Sadly though, I'm trying to get into writing php with Apache. I Downloaded WAMP (windows Apache MySQL php) but for some reason, php doesn't work. I though i would try downloading LAMP (Linux apace MySQL php) but whenever I boot up my PC, I don't get a chance to enter the Ubuntu OS. How could I get back to running Ubuntu? Actually, it doesn't prompt me for a boot menu or anything. It just goes straight to the windows symbol

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• No sound in World of Goo?

  - by user37805

  I installed WorldOfGooSetup.1.41.deb and it didn't work. There was a segmentation fault error (core dumped) in terminal. I fixed that with: sudo cp /usr/lib/x86_64-linux-gnu/libvorbis.so.* /opt/WorldOfGoo/libs32 sudo cp /usr/lib/x86_64-linux-gnu/libvorbis.so.* /opt/WorldOfGoo/libs64 That error is new for me as I have never had it before with previous releases of Ubuntu. The game starts now but no sound effects or music is played. I can hear music with my computer, videos, etc, so it is not a volume control problem. I am using ubuntu 12.04 final release.

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• If I have true i/o false or vice versa, is it an OBOE?

  - by Protector one

  I often make the mistake of inverting my truth values in my code (e.g. in my if clauses). It gives me the same feeling as when making an OBOE (Off By One Error), even though it's technically not. Would you call it an OBOE, or better yet, is there a specific term for "off by truth value"-errors? My reasoning is that all possible values of a boolean are true and false. In other words, the possible values are contained in the array: [true, false]. If you access this array by index, you'll always be off by one… when selecting the wrong one. This becomes especially obvious when you calculate your index as: index = someInt % 2. Now I understand that this usually not the case, but in my mind, it always feels like this. Almost got it, just off by one…

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• How to begin serious game development (in C++) [closed]

  - by Rondogiannis Aristophanes

  I would like to start developing games. I have tried before Game Maker 8, which was a very easy way to start creating games, if you were new in game development. Then, I tried Unity 3D, which was a much more serious and complete tool to create computer-games, and required some experience. And now, I would like to start creating games, and don't use any special environment or developer, but just code (in C++ preferably). So, here is my question: from where should I begin, if I would like to start programming games? Thanks in advance. Note: I work in ubuntu 10.04, I can also use windows 7, but I prefer ubuntu.

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• Tilgin Improves Subscriber Device Management with Embedded MySQL

  - by Bertrand Matthelié

  Tilgin IPRG AB develops and delivers systems and software for the digitally-connected home. Using Tilgin home gateway software, as well as central software for remote control and operation of the network, Tilgin’s customers can offer their subscribers broadband services. The company has over 100 customers,  telecommunications and broadband operators, in more than 30 countries.Tilgin needed a robust and scalable database solution for its auto-configuration server (ACS) product, tGem, used by its customers to manage the devices that provide their subscribers with access to television, internet, telephony, and other services. Tilgin chose MySQL as embedded database. This made it possible for Tilgin’s customers to easily and smoothly implement new generations of services, as well as to easily add new subscribers, ultimately enabling the company to save time and money. Read the case study here.

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• Binding to Silverlight ComboBox and Using SelectedValue, SelectedValuePath and DisplayMemberPath

  How do you bind a ComboBox to a collection of objects, and then bind a property from the selected objects to some other scalar property? I received this question today from a friend of mine (a variation of this question). I decided to walk through the scenario here in case anyone else runs into it. This is one of those things that can be confusing it is simple, but it is is much easier shown the explained. This post lays out the scenario and you can download the sample code at the end. When we...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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• Sound not working

  - by Jason

  I am new to ubuntu, but really enjoy it. I do have one issue with setting it up on my computer. It is a GoBook XR-1 and everything works perfectly except there is no sound. I've searched and tried everything that I can think of, even uninstalling ubuntu and trying Windows to see if the speakers worked. I found out that it wasn't the speakers or any hardware issues. I tried to download the Realtek drivers, but still no success.

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• What is the sudo password after I deleted the password for the user?

  - by Ubuntunewbie

  To have an easier access to the computer I deleted the user's password so it is blank. But now I'm still asked to type in a password for sudo actions such as installing programms, etc. I know that this belongs to Ubuntu's outrageous security policy (which is why I use Ubuntu in the first place..) but I don't have any password to enter any more!! The old user password is not accepted and anything else (like just hitting enter) doesn't work either. I already tried the recovery mode (root shell) way passwd USER< but it replied that it can't access the password or it has no authority. Thanks in advance for your help!

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• Can't connect to or search wifi

  - by Mark

  I just installed the latest version of Ubuntu, I think it was 13. Something. Anyway I got it running and now I've been trying to connect to my wifi. No matter where I go I don't see an option for wifi. I looked on the computer and found some commands to use in terminal to run a scan for wifi networks but all of them returned the error "interface doesn't support scanning" if anyone could help that would be great...I can't do anything without wifi! Also I'm new to this so if you could give step by step directions that would help a lot. Thanks!

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