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• why is emacs allowing multiple instances?

  - by Chad

  Around the time I fresh installed Ubuntu 12.04, I noticed that I can start multiple instances of Emacs. I find this annoying because I will think that a buffer should be open, but I'm in the wrong Emacs window. I may have changed something in .emacs, but I really don't think I did. I also reverted all of my customizations that are stored in ~/.emacs.d/custom.el. Emacs previously would give some error about another emacs server being open when I would attempt to start an additional instance of it, but it no longer does this. Any ideas on how to restore this behavior?

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• I want to host clients' websites, but not their email. What's the easiest way to handle this?

  - by Phil

  My company lets non-technical users build their own niche industry websites on our server, which we host. they can currently point their nameservers at their registrar to us, which ends up with them no longer having access to their email if they've already set it up through said registrar. We don't want to interfere with their existing email, nor do we want to get into the business of setting up email for them through our service. Thus, having them point A records/cname to us would work, but is this too complex for a non-technie user? We thought of having them point nameservers to us but pointing the MX records back to them, but this is also beyond their scope. Is there an easy way to 'point records' at their initial state? Any other ideas/feedback?

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• Synchronizing (updating) published files

  - by MucMug

  How can I update a published file and maintain the same URL? After saving an update of a published file on my desktop, it will automatically "synchronise" with the corresponding files at UbuntuOne (and it does). Problem is that the "new file", actually the updated file with the same name, is no longer published. Pressing the publish button results is a new URL. I now have to mail new URL's and change embedded links, as old URL will result in a failure to find the updated file (or indeed any file). I am not sure if it is a bug or a design flaw (maybe intentional?), but it seems strange to me.

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• 2d Ice movement

  - by Jeremy Clarkson

  I am building an top-down 2d RPG like zelda. I have been trying to implement ice sliding. I have a tile with the slide property. I thought it would be easy to get working. I figured that I would read the slide property, and move the character forward until the slide property no longer exists. So I tried a loop but all it did was stop at the first tile in an infinite loop. I then took the loop out and tried taking direct control of the character to move him along the slide path but I couldn't get it to move. Is there an easy way to do an ice sliding tile based movement in libgdx. I looked for a tutorial but none exist.

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• BlissControl Is a Settings Management Dashboard for Popular Social Networks

  - by Jason Fitzpatrick

  BlissControl is a simple web app that organizes the different settings menus of over a dozen social networks and services into a streamlined dashboard to help you change your profile pic, privacy settings, and more. Much like previously reviewed NotificationControl and MyPermissions (which help you check and set email notifications and app permissions, respectively), BlissControl also takes the very convoluted menus of web-apps and social media sites and makes them super easy to navigate. You can easily click right through the page you need on Facebook, Flickr, Twitter, and more–you’ll no longer need to visit each service and click through a maze of menus to get to the right place to change your password or swap your profile pic. BlissControl is simply a dashboard that directs you to the appropriate page within the service you already use–you never share your login credentials with BlissControl. Hit up the link below to take it for a spin. BlissControl [via AddictiveTips] How to Own Your Own Website (Even If You Can’t Build One) Pt 1 What’s the Difference Between Sleep and Hibernate in Windows? Screenshot Tour: XBMC 11 Eden Rocks Improved iOS Support, AirPlay, and Even a Custom XBMC OS

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• How does one block unsupported web browsers?

  - by Sn3akyP3t3

  Web browsers with an end of life no longer receive security updates which not only makes them vulnerable to the end user, but I imagine its not safe for the server's which receive visits by them either. Is it practical to block or enforce and notify the end user that their browser is unsafe and unsupported? If so, how would one achieve that? I don't know of any official or crowd-sourced listing with that information to parse and keep up to date. I'm aware that the practice can be custom built with User Agent parsing and feature detection for HTML5 enabled browsers.

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• Network manager indicator missing

  - by Jarmo

  I recently upgraded from 11.10 to 12.04. My first attempt failed, and I received an error stating that not all of the required packages were downloaded. Before (successfully) attempting again, I noticed that there was no longer a networking indicator in the upper panel. The indicator did not reappear with the installation of 12.04. To be clear, my wireless connection has experienced no problems, despite the missing indicator. Here are the solutions that I have found which did not work for me: Editing /etc/NetworkManager/NetworkManager.conf and replacing [ifupdown] managed=false with =true. Reinstalling network-manager (via apt-get install --reinstall). I am currently running 12.04 on an Asus Eee PC 1005 HA, and I am new to seeking solutions through forums, so I apologize if I have neglected to provide some vital information about my hardware.

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• Q&amp;A: Does it make sense to run a personal blog on the Windows Azure Platform?

  - by Eric Nelson

  I keep seeing people wanting to do this (or something very similar) and then being surprised at how much it might cost them if they went with Windows Azure. Time for a Q&A. Short answer: No, definitely not. Madness, sheer madness. (Hopefully that was clear enough) Longer answer: No because It would cost you a heck of a lot more than just about any other approach to running a blog. A site that can easily be run on a shared hosting solution (as many blogs do today) does not require the rich capabilities of Windows Azure. Capabilities such as simplified deployed and management, dedicated resources, elastic resources, “unlimited” storage etc. It is simply not the type of application the Windows Azure Platform has been designed for. Related Links: Q&A- How can I calculate the TCO and ROI when considering the Windows Azure Platform? Q&A- When do I get charged for compute hours on Windows Azure? Q&A- What are the UK prices for the Windows Azure Platform

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• Page load speeds effect on crawl rate

  - by Sam Pegler

  We've noticed a big drop in the total pages crawled per day on our site, we have no control over the crawl rate in google webmaster tools so it's possible this has been changed by google. However it's a fairly large site and I wouldn't of thought that the crawl rate would've been decreased. What we have noticed though is a sizeable increase in page load times, in my mind this would be the cause. Can anyone else confirm if the crawl rate is directly correlated to page load time? Seems logical, longer page load time, less pages crawled. Any decent documentation on this would be appreciated, I don't normally have any input on SEO so this is new to me.

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• I'm porting my app from iOS to Android: what do I need to know?

  - by kubi

  What pitfalls should I avoid? What Java language paradigms do Objective-C developers consistently misunderstand? I learned to program in Java, but I have worked in nothing but Objective-C for years now. How are the design patterns different between Android and iOS? If you've made the transition yourself, what parts of Android confused you or took you longer to learn than it should have? Is Eclipse the best OS X IDE for Android? For the record, my app is very strongly tied to UIKit and Foundation, so the word "porting" may be a misnomer; I'll actually be completely rewriting it for Android. No code reuse. Also, I'm doing this to learn Android, so I'd rather fail at the port and learn Android than take a shortcut.

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• Facebook Comments Lost

  - by Rish

  I am using Facebook comments on couple of my blogs at the moment and I just found that somehow magically all the previous comments made on posts are gone and are no longer being displayed. I'm using wordpress for all of these blogs and Facebook Comments for WordPress to manage all the facebook comments. But somehow they all disappeared all of a sudden. Another problem which I've been facing lately is that I can't seem to moderate the faceboook comments. When I go to http://developers.facebook.com/tools/comments where there should be a list of all the comments made on my sites (against the Applications that I've created just for the sake of comments), there is nothing there. This has been the thing from the starting, before the comments vanished on my site, today So technically, there are two issues to solve here.

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• What makes for the ideal project? [closed]

  - by Hans Westerbeek

  I try to be careful when accepting assignments, to avoid mutual disappointment. So, I started to come up with a list of things that I consider ingredients for The Ideal Project: (in no particular order) What did I miss? What did I get wrong? Team size < 6 persons to avoid having too many meetings Team members must be dedicated to the project Gut-feeling-estimate (made by developers) of running period does not exceed 4 months. Projects longer than that tend to become open-ended, and are therefore not projects. Has a Product Owner who has mandate and is well-respected at their own company and who has a real interest in the long-term success of the project. Has no technical involvement from people that are not on the team. (yes that's you, Mr Architect That Doesn't Code) All the usual about quiet working conditions Exciting subject matter. Content management is just not as cool as controlling robots :)

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• Upgrade failed, now impossible to restart

  - by Jean Claude Dispaux

  I have an Aspire One with Ubuntu, that I use only when traveling, i.e. seldom. Yesterday I tried to start it, it informed me that I had to install a new release of Ubuntu. The download went fine, then I left it for the night. In the morning I found error messages. I tried to restart, but nothing works any longer. The only backup I have is two USB keys made by the person who installed Ubuntu, that say Recovery Ubuntu 8 and Ubuntu 9.10 respectively. Right now I plugged the "8", selected F12 and instructed to boot from the USB key. It has been running for an hour, the screen still says ubuntu, the USB key flashes red. By the way, I have no precious data on this machine, I do not care about losing data. Please advise on what to do now. Thanks.

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• eBook Exchange Helps Kindle and Nook Owners Swap Books

  - by Jason Fitzpatrick

  If you have a Kindle or Nook and are looking to do a little free reading, eBook Exchange makes it easy to borrow books from others and to share your books in turn. The service is completely free; in order to use it you simply sign up for an account and begin listing books you have to share. Even if you have no books to share at the moment you can still use the service (although be aware that eBook Exchange ranks requests and in the case of multiple users requesting the same book the system will favor a user who has shared the most). Hit up the link below take eBook Exchange for spin. eBook Exchange [via Gadgetopia] How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7

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• A Laymans Explanation of The Derivatives Market and Crash

    This was passed on to me by a good friend, and I found the analogy so compelling that I decided to share it: Heidi is the proprietor of a bar in Detroit . She realizes that virtually all of her customers  are unemployed alcoholics and, as such, can no longer afford to patronize her bar. To solve this problem, she comes up with new marketing plan that allows her customers to drink now, but pay later. She keeps track of the drinks consumed on a ledger (thereby granting the customers...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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• Forward .html/.htm to .php with .config

  - by PhilipK

  I'm moving a site from my linux hosted server to a client's windows hosted server. The .htaccess file no longer works and I'm told that windows servers use .config . How can I forward all users accessing .html & .htm files to the equivalent .php file. Server Info... OS/Hosting Type: Windows / Shared Hosting .Net Runtime Version: ASP.Net 2.0/3.0/3.5 PHP Version: PHP 5.2 IIS Version: IIS 7.0 Data Center: US Regional EDIT *Hosting provided by GoDaddy Was told by a friend following should work but it has no effect on the site. <configuration> <system.webServer> <handlers> <add name="PHP-FastCGI" verb="*" path="*.html" modules="FastCgiModule" scriptProcessor="c:\php\php-cgi.exe" resourceType="Either" /> </handlers> </system.webServer> </configuration>

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• Unable to mount samsung galaxy S3 via USB

  - by dez93_2000

  Connecting as either MTP or PTP: neither allows one to see pictures saved as default by phone camera to DCIM folder on external SD card. Similar problems with previous models (e.g. S2) were solvable by 'usb utilities' in wireless & networking settings, but this is no longer present. Other suggestions have mentioned uninstalling various libraries... but i don't wanna just start cutting stuff without knowing it'll help. Any thoughts? Seems like a pretty epic fail from google & samsung. There's not even a linux section on the relevant google site... despite android's usb driver being part of the linux kernel which powers android. Boo!

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• VPN disconnected: resolv.conf not refreshed

  - by cwall

  I connect to VPN using vpnc. When VPN disconnects, either via time out or the session limit is reached, VPN is terminated, but resolve.conf continues to contain references to my VPN network. resolv.conf before VPN is connected: nameserver 127.0.0.1 search mylocalnetwork resolv.conf after VPN is connected and remains once VPN is lost: nameserver X.X.X.X nameserver X.X.X.Z nameserver 127.0.0.1 search internal.mycompany.com mylocalnetwork In 10.04, when VPN lost, I'd run this script to refresh resolve.conf: 7$ cat bin/refreshResolvconf.sh #!/bin/bash #if [ -e /etc/resolvconf/run/interface/tun0 -a "`pidof vpnc`" == "" ]; then /sbin/resolvconf -d tun0; fi if [ -e /etc/resolvconf/run/interface/tun0 -a "`pidof vpnc`" == "" ] then /sbin/resolvconf -d tun0; echo "Refreshed resolv.conf" fi But, resolveconf changed in 12.04 changed, so this script is no longer applicable. To resolve, I manually edit resolve.conf or turn off/on my connection via "gnome-control-center network". Anyone else have the same problem? How can resolv.conf be updated post-VPN disconnect?

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• audio controls in xfce 4.8

  - by Peter

  I am seeing several questions similar to mine, but none of the answers are sufficient. I am pretty green with Ubuntu, so here goes: I was just automatically upgraded to xfce 4.8 for Ubuntu studio. The volume control no longer works in my panel. When I launch 'mixer' I don't see any settings, either. When I try to run "linux audio configuration" I get an error: JACK can only be configured with a loaded and stopped studio. Please create a new studio or load and stop an existing one. I understand that I can change the volume using command line, but I can't understand why I got upgraded to something that fails on basic features. I much less likely to recommend ubuntu to others as a result. thanks!

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• Loss of privileges when enabeling auto log-in to encrypted home folder

  - by reav

  I use Ubuntu 11.10 with Gnome Shell and have an encrypted home folder. I enabled auto log-in through the system settings/users-admin menu, as I expected it didn't work (because of my encrypted home folder/user I suspect). But now I don't have privileges to mount my eksternal hard-drive, and I can no longer disable the auto log-in function, since the un-lock button in users-admin menu is grayed out. It seems like my users privileges has been degraded. Does any one have an solution to how I disable auto log-in and regain my privileges?

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• How can I recover from a frozen app when connecting over VNC

  - by Pablojim

  I have a htpc running 10.10. It has no keyboard or mouse attached, so I connect over vnc for administration and manual tasks. This usually works fine but every so often an app running in fullscreen mode crashes. All I want to be able to do is kill this app from VNC. Is there a keyboard shortcut to do this that will preserve the VNC connection? If I use CTRL + ALT + F1, I see the terminal but can no longer control it from VNC. Trying to return to the desktop doesn't work either? Any easy process I can follow?

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• 50-synaptics.conf options not working

  - by djeikyb

  How does Ubuntu come up with the default synaptics settings? I've got Ubuntu Netbook 10.10 installed on an Eeepc 900. Out of the box TapButton2 was set to 3, and TapButton3 was set to 2. I have several custom synaptics settings I want as system wide defaults. Right now I use a script with synclient commands I have to run every boot or wake. Pita. It used to be everything went in xorg.conf..which no longer exists. I'm trying to learn the new way, which is apparently conf files at /usr/share/X11/xorg.conf.d. I edited 50-synaptics.conf to look like: Section "InputClass" Identifier "touchpad catchall" Driver "synaptics" MatchIsTouchpad "on" MatchDevicePath "/dev/input/event*" Option "LockedDrags" "1" Option "TapButton2" "2" Option "TapButton3" "3" EndSection But my next X session (startx -- :2) doesn't have the options configured.

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• distribution update made my close/minimize/maximize window buttons diappear

  - by Marc Sauvageau

  I am running an ubuntu/gnome3 environment. While running the upgrade manager on 12.04, I was informed that there was a distribution update but that it was partial. (whatever that means) After a few failed attempts at updating through the manager, I decide to run sudo apt-get update && sudo apt-get update. The updates seem to work however, the close/maximize/minimize buttons of all windows have disappeared. I also can no longer use the Alt+Tab function. I tried to post an image but I need more rep (sorry) I have tried to run the updates again but nothing changes. I'm still very new at this. I would appreciate it if you could use simple terms to describe or ask questions. Thanks in advance!

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• Thinkpad T530 with Optimus and Docking Station

  - by Vic Boudolf

  I have a Lenovo Thinkpad T530 with Optimus video, which is not supported on 12.04.1. I don't normally need the discrete (nVidia) graphics, so I turn it off in the BIOS settings to achieve longer battery life (and so that the screen dimmer will work), but when placed in the docking station, the integrated (Intel) graphics don't power the HDMI ports. (The VGA port does work, but I want to focus on the HDMI.) This means I have to change the BIOS settings constantly. Is there any way to have the system detect the docking station and power up/enable the discrete graphics accordingly? I don't need to do it on the fly. Just at startup. This post suggests that bumblebee can turn the discrete graphics on and off for specific applications, but I just want to turn it on or off. [2 suggests that vga_switcheroo will not work with nVidia Optimus.

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• Best free wireframe software for websites

  - by Fritz Meissner

  Working on a non-profit project and wondering if there's a standout wireframing tool for website design. I've taken photos of collaborative whiteboard drawings and now I want to put the results into something slightly more professional looking for review. For obvious reasons I'm not interested in anything that looks too much like the finished product or takes longer than it would for me to write the HTML. I checked out jumpchart, but that only seems to let you do content panes, not draw whole page layouts. Free or close to free is desirable - for instance jumpchart licensing seems very reasonable.

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