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  • iMac with Mountain Lion and Mavericks

    - by bob
    I have been starting up my iMac (Mavericks) with a flash drive that boots up Mountain Lion so that I can use an app that is incompatible with Mavericks. Question: I have a single external backup drive always connected to my Mac. I am thinking of partitioning that drive and giving each partition a unique name, e.g., Backup 1 and Backup 2. I intend then to boot up in Mavericks and tell Time Machine to back up to Backup 1, and then boot up in Mountain Lion and tell Time Machine to back up to Backup 2. Will this work, i.e., will the appropriate partition automatically back up the system in which it is booted?

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  • Lightweight window manager for Linux for Virtual Desktop / Multimon

    - by mattcodes
    Previous used Ubuntu Gnome with Compiz but for my basic spec intel macbook (4 years old) its a little too heavyweight. So for now Im back on my macbook with os x, but now considering going back to Linux. Im looking for a window manager that has the following properties: Supports virtual desktop (need 4 minimum) Works well with multi monitors - can move an app with shortcut from one monitor to the other (on same virtual desktop) Can remember window position (i.e. open vim on 2 monitor) - however must coerce everything back to first screen when 2nd screen is unplugged Keyboard shortcut friendly Not too hard to install Works well with minimum hardware such as integrated graphics Please suggest and share your experiences

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  • Quick Fix for GlassFish/MySQL NoPasswordCredential Found

    - by MarkH
    Just the other day, I stood up a GlassFish 3.1.2 server in preparation for a new web app we've developed. Since we're using MySQL as the back-end database, I configured it for MySQL (driver) and created the requisite JDBC resource and supporting connection pool. Pinging the finished pool returned a success, and all was well. Until we fired up the app, that is -- in this case, after a weekend. Funny how things seem to break when you leave them alone for a couple of days. :-) Strangely, the error indicated "No PasswordCredential found". Time to re-check that pool. All the usual properties and values were there (URL, driverClass, serverName, databaseName, portNumber, user, password) and were populated correctly. Yes, the password field, too. And it had pinged successfully. So why the problem? A bit of searching online produced enough relevant material to offer promise. I didn't take notes as I was investigating the cause (note to self), but here were the general steps I took to resolve the issue: First, per some guidance I had found, I tried resetting the password value to nothing (using () for a value). Of course, this didn't fix anything; the database account requires a password. And when I tried to put the value back, GlassFish politely refused. Hmm. I'd seen that some folks created a new pool to replace the "broken" one, and while that did work for them, it seemed to simply side-step the issue. So I deleted the password property - which GlassFish allowed me to do - and restarted the domain. Once I was back in, I re-added the password property and its value, saved it, and pinged...success! But now to the app for the litmus test. The web app worked, and everything and everyone was now happy. Not bad for a Monday.  :-D Hope this helps, Mark

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  • In Mac OS X Finder's column view, how do you show all columns, up to the list of volumes?

    - by John Douthat
    In OS X's olden times, column view always allowed you to scroll left back to the list of volumes. In recent versions, however, the Finder will hide parents and ancestors. For example, when you select a favorite "place" in the sidebar, no ancestors of that folder will be visitable without pressing Cmd+Up, but hitting Cmd+Up causes the current directory to lose focus, or disappear entirely, depending on the number of levels . Clicking "Back" sends you back to the folder you where in, but it also re-hides all of its ancestors :( I really wish I could see the entire hierarchy. Is that possible?

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  • Input prediction and server re-simultaion

    - by Lope
    I have read plenty of articles about multiplayer principles and I have basic client-server system set up. There is however one thing I am not clear on. When player enters input, it is sent to the server and steps back in time to check if what should have happened at the time of that input and it resimulates the world again. So far everything's clear. All articles took shooting as an example, because it is easy to explain and it is pretty straightforward, but I believe movement is more complicated. Imagine following situation: 2 players move towards each other. A------<------B Player A stops halfway towards the collision point, but there is lag spike so the command does not arrive on the server for a second or so. Current state of the world on the server (and on the other clients as well) at the time when input arrives is this: [1]: -------AB------- The command arrives and we go back in time and re-simulate the world, the result is this: [2]: ---AB----------- Player A sees situation [2] which is correct, but the player is suddenly teleported from the position in [1] (center) to the position in [2]. Is this how this is supposed to work? Point of the client prediction is to give lagged player feeling that everything is smooth, not to ruin experience for other players. Alternative is to discard timestamp on the player's input and handle it when it arrives on the server without going back in time. This, however, creates even more severe problems for lagged player (even if he is lagging just a bit)

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  • Will we be penalized for having multiple external links to the same site?

    - by merk
    There seem to be conflicting answers on this question. The most relevant ones seem to be at least a year or two old, so I thought it would be worth re-asking this question. My gut says it's ok, because there are plenty of sites out there that do this already. Every major retailer site usually has links to the manufacturer of whatever item they are selling. go to www.newegg.com and they have hundreds of links to the same site since they sell multiple items from the same brand. Our site allows people to list a specific genre of items for sale (not porn - i'm just keeping it generic since I'm not trying to advertise) and on each item listing page, we have a link back to their website if they want. Our SEO guy is saying this is really bad and google is going to treat us as a link farm. My gut says when we have to start limiting user useful features to our site to boost our ranking, then something is wrong. Or start jumping through hoops by trying to hide text using javascript etc Some clients are only selling 1 to a handful of items, while a couple of our bigger clients have hundreds of items listed so will have hundreds of pages that link back to their site. I should also mention, there will be a handful of pages with the bigger clients where it may appear they have duplicate pages, because they will be selling 2 or 3 of the same item, and the only difference in the content of the page might just be a stock #. The majority of the pages though will have unique content. So - will we be penalized in some way for having anywhere from a handful to a few hundred pages that all point to the same link? If we are penalized, what's the suggested way to handle this? We still want to give users the option to go to the clients site, and we would still like to give a link back to the clients site to help their own SE rankings.

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  • Efficient Algorithm for Recording gameplay's objects positions

    - by Scorch
    So, I have a game idea in mind, and for that I need to record the game around the player. I'me not talking about recording it as video, but rather recording the scene objects, and their positions within the game, and then render them, giving the player the ability to go back and forth, to stop time and move around. I've made a prototype with some data structures in C#, since this is going to be the programming language we'll be using in our game, but if we want the player to be able to go back just five minutes back with the data of just 100 NPC's, it takes almost 1GB of RAM. Right now, I'm just storing a Doubly linked list, each item with the object position. In the game, I'll need to store even more data in each node, so I need something even more ligher. Of course, this algorithm is zero optimized, but still, that is a lot. The alternatives would be create the NPC's that aren't really important to the game when the user is viewing the past, but I don't really like it very much for the sake of realism. I wonder if there is a better way to store this? Thanks in advance, Scorch

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  • Raid 5 scsi fault

    - by HaLaBi
    I have no much knowledge about servers and I was looking all day around the internet about finding a solution to my raid 5 problem. All of a sudden two disks failed. The server won't boot (HP Proliant, windows 2003 R2, very old maybe 10 years old). I know that if one disk is faulty then I can add a new disk and rebuild it and things will be fine, the problem is two went faulty :( is this normal? two at the same time? is there any other thing I can do and I am not aware of? other than taking them out and reinserting them back? Windows won't boot. The Array menu shows that disks 0 and 4 are "Missing". Any other tricks or things to do? It is important because for some unknown reason the back up job did not work for a month and I just found out, so I need to make these raid 5 back online again.

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  • Drive reporting incorrect free space

    - by Oli
    So I swapped my shiny SATA SSD for an even shinier PCI-E SSD. I run my core OS on the SSD because it's silly-fast. I did this on my old SSD so I created a new EXT4 partition and then just dded the data across (sorry I don't know the exact command I ran anymore) and after reinstalling grub, I booted onto the PCI-E SSD. At first glance everything had worked perfectly and things were running faster than ever. But then I noticed the free disk space on the new, larger drive: it was almost exactly the same as it was on the other disk... A disk that was half its size. So it looks as if I've copied the files across incorrectly and it's copied some of the filesystem metadata along with it. Tools like du and Disk Usage Analyzer come back with the correct figures. Things that look at the partition (and not the files) seem to think the drive is 120GB I've been using this drive for a week now so it's way out of sync with the old SSD so dumping the data and starting again isn't a job that fills me with joy but two questions: Is there a way to fix my filesystem so it knows what it's really on about? fsck e2fsck and badblocks all seem to be able to scan it without finding a problem with it. If I do plug my old SSD back in, copy the data off my PCI-E on to it and then copy it back onto a fresh filesystem (eg juggle the data around), what's the best way of doing that? I obviously want to keep all the permissions and softlinks where they are.

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  • Preserve the state of the start screen

    - by axrwkr
    What would I need to do in order to cause the start screen to stay the way it was the last time I saw it when I go back to it? I've noticed that every time I leave the start screen it resets back to the beginning, this means that I need to scroll back to where I was to get the same view. I don't want to change the order of the applications on the start screen to accommodate this, I would much prefer it if I could find a way to make the start screen stay the way it was so I can move on from there and also if there was a way to jump to the beginning or the end of the list that would be great. I imagine I can just use the search feature to find a specific program, but that's just an extra step, almost as bad as having to scroll.

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  • Restoring exchange 2003 from a backup

    - by user64204
    Hi all, I'm restoring an Exchange server from a backup: [1] the backup was created on 19/12/2010 [2] the server kept running until 20/12/2010 [3] we're restoring the server today 21/12/2010 with the backup from [1] My understanding is that when the server comes back: [4] whatever is in users' inbox since [1] will be deleted. [5] whatever is in users' sent box since [2] should be re-sent. [6] As a safety measure we've moved all emails sent/received between [1] and [3] to .PST files. Questions: -are [4] & [5] statements correct? -is there any way to move back emails from the PST file [6] to the current inbox/sent folders so that Exchange takes these emails into account (instead of deleting them)? -what happens to the Calendar items that were added after [1], is there any way to back those up as well if needed? Many thanks

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  • USB Mouse doesn't work after turning on Laptop

    - by Barry
    I have a USB mouse attached to my laptop which does not work when I switch my laptop on. I have to unplug it and plug it back in before it works. When I do this no driver installation occurs (presumably because it has already done this) the usual beep sound does occur and the mouse starts working again. If my laptop goes to sleep I can move the mouse and the laptop comes back to life. In fact it works perfectly apart from this annoying niggle on startup. Can anyone shed any light as to why I have to keep unplugging and plugging my mouse back on startup? I am running Windows 7 Home Premium Service Pack 1 (64 bit) on a Toshiba Satellite L755-1LL Laptop.

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  • how to override ckeditor events [migrated]

    - by joe
    I am new to ckeditor, I have hard time figuring this issue out. due to my html design; if I try to use the link editor dialog while my ckeditor is maximized, it just doesn't show up, I understand that ckeditor is the top most object in my html page and the link dialog comes underneath it. if now I bring ckeditor to its normal state I will be able to see and use the link dialog. my idea is to slightly override the link button click event as follows: if the editor is in full screen mode, bring it back to the normal state. and keep a flag somewhere so that when I close the link dialog, I can decide whether to bring back the ckeditor to a maximized mode again. now this is easy logic except that I do not know how to override the click event of the link button and keep it work as expected. here's what I have: $().ready(function () { var editor = $('#txa').ckeditor(); CKEDITOR.plugins.registered['link']= { init : function( editor ) { var command = editor.addCommand( 'link', { modes : { wysiwyg:1, source:1 }, exec : function( editor ) { if(editor.commands.maximize.state == 1 ){ alert("maximized"); //....here bring back the editor to UN-maximized state and let the link button event click do the default behavior } else { alert("normal state"); } //2 is normal state //1 is maximized } } ); editor.ui.addButton( 'link',{label : 'YOUR LABEL',command : 'link'}); } } }); html part to make the exemple work: <div> <textarea id="txa"> </textarea> </div> TO BE SHORT: http://jsfiddle.net/Q43QP/ if the editor is maximized, bring it to normal state then show the link dialog.

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  • Cocos2D: Change animation based on joystick direction

    - by Blade
    I'm trying to get my figure to look in the right directions, based on the input of the joystick. So if I tilt left it looks left and the left animation is used, if I used right, it looks right and right animation is used, if up, then up, down, down and so on. I just get animation for front and back. Also if I press up I see the back of the figure correctly, but it won't go back into the original state when I don't press up anymore. -(void)applyJoystick:(SneakyJoystick *)aJoystick forTimeDelta:(float) deltaTime { CGPoint scaledVelocity = ccpMult(aJoystick.velocity, 128.0f); CGPoint oldPosition = [self position]; CGPoint newPosition = ccp(oldPosition.x + scaledVelocity.x * deltaTime, oldPosition.y + scaledVelocity.y * deltaTime); [self setPosition:newPosition]; id action = nil; int extra = 50; if ((int) aJoystick.degrees > 180 - extra && aJoystick.degrees < 180 + extra) { action = [CCAnimate actionWithAnimation:walkingAnimLeft restoreOriginalFrame:NO]; } else if ((int) aJoystick.degrees > 360 - extra && aJoystick.degrees < 360 + extra) { action = [CCAnimate actionWithAnimation:walkingAnimRight restoreOriginalFrame:NO]; } else if ((int) aJoystick.degrees > 90 - extra && aJoystick.degrees < 90 + extra) { action = [CCAnimate actionWithAnimation:walkingAnimBack restoreOriginalFrame:NO]; } else if ((int) aJoystick.degrees > 270 - extra && aJoystick.degrees < 270 + extra) { action = [CCAnimate actionWithAnimation:walkingAnimFront restoreOriginalFrame:NO]; } if (action != nil) { [self runAction:action]; } } }

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  • Resized Ubuntu 14.04 partition will not boot

    - by user292577
    First, a little background info: I intended to install Ubuntu alongside OS X, but I accidentally erased my entire hard drive and was left with Ubuntu alone. Yesterday, I finally tried to create a desperate partition and OS X. I successfully shrank my Ubuntu partition and created ~40 GB of free space. I used gparted to do this. At first I tried to use Internet Recovery to install OS X on the unallocated space I had created, but discovered I couldn't. I went back to gparted and created a FAT partition with that space. I'm pretty sure I actually did this using my Ubuntu partition on my hard drive (the one I had just shrunken), rather than the USB live boot I had used to shrink it. Therefore, at this point, I think my Ubuntu partition was still functioning properly. I went back to internet recovery and used disk utility to turn the FAT partition into a Mac OS Extended (Journaled) [HFS/HFS+] partition. I believe this is probably where the problem occurred. I successfully reinstalled OS X and found it to be fully functioning. However, when I tried to boot back into the Ubuntu partition all I got was a black screen with a little white cursor (it looks similar to a terminal screen/the Mac DFU mode, but I can't type anything into it. Is there anything I can do to repair my Ubuntu partition? If not, can I at least recover the data from it? Thank you for any help.

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  • Is there an intuitive way to reopen Empathy's contact list?

    - by aef
    Since a short while I'm using Ubuntu Oneiric Ocelot (11.10) with gnome-shell (Gnome 3) and I'm trying to get accustomed to the default Empathy Instant Messaging client. When I hit the close button of Empathy's contact list the window disappears as expected. When I now start Empathy over the Gnome Activities menu the contact list reappears. That's not as easy as clicking a system tray icon back in Psi on Gnome 2 but it works for now. But when I start a conversation first and have an open conversation window, then close the contact list, and try to regain access to it by using Gnome Activities, I only get the conversation window into focus and no contact list appears. I only seem to be able to get the contact list back if I close the conversation window (and thereby signal the conversations to be over) and then use Gnome Activities again to get my contact list back. That's horrible. Is this intended? Is there something I'm missing?

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  • Angular JS - shop data disapears after using external payment script

    - by rZaaaa
    Im building a shopping cart in angular JS. till now all goes good but now i am at the checkout phase of y project. The problem is that im using external payment gateways such as ideal etc. when i checkout using for example Ideal the page redirects to the login page of the bank. All i have is a return url When i get to the return url al angular data is gone... I dont know how to do this properly. Also when i checkout and from the back page hit BACK again. the data is also gone and i have to do all the steps again, fill cart etc. So i gues i have to do something with sessions but what is the best way with angular JS how can i do this? The php backend is a slim framework. In the php version of my website i use the session generate id for the "lost" carts. is a user comes back, this session would be the same so i can retrieve his data (other session variables) ...

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  • Recovering data from a corrupted disk

    - by r_honey
    I use an external harddisk to backup my data (it had 3 partitions). Last week when I plugged it in, the OS (Win 7) hung up and I had to force re-boot the machine. When I turned it back on, the system just did not detect the hard-disk. It was last Sunday and I had to give up after sometime. Now I return back next Sunday (today) and when I plug it back-in to the machine, the OS detects the disk as well as all the 3 partitions on it. But it says all 3 are unformatted and I cant access any of them. Is there any way to recover data from the 3 partitions (I tried PC File Recovery and Recuva from PiriForm but neither detected these partitions).

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  • Has anyone seen an HTTP 500 error when HTTPS traffic going through Pound Proxy forwards to an HTTP page?

    - by scientastic
    We have Varnish as our load balancer and reverse proxy cache for normal HTTP traffic. For HTTPS traffic, we use Pound proxy to unwrap the SSL and forward to Varnish, which then forwards to the back-end servers. This is used for our "checkout" process to encrypt credit card info in transition. However, on the last stage of checkout, users are always getting an HTTP 500 (Internal Server) error. It doesn't seem to be due to our back-end app server, by all tests I've tried. Does anyone know anything about how that transition works-- the transition back from HTTPS to HTTP and the interaction between Pound and Varnish-- and why it might cause 500 errors?

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  • How to prevent computer from automatically sleeping and/or hibernating?

    - by mehaase
    I'm running Ubuntu 12.04, and my laptop* won't wake from sleep/suspend/hibernate. (Is sleep the same thing as suspend?) I'm not even sure which of these things it's doing. When I am done working for the day, I lock my screen (Control-Alt-L). When I come back the next day, the screen is in power saving mode, and no amount of typing or clicking (on the usb keyboard/mouse or the builtin keyboard/trackpad) nor tapping the power button will bring it back to life. The only way I can get my machine to work is to hold down the power button until it shuts off, then press the power button again to turn it back on. Obviously, anything I had open from the previous day is pretty much gone -- in particular, my VMs all get rudely shut down without any warning. This is driving me INSANE. I spend the first hour of every work day trying to figure out how to get my computer to stop locking up over night. What I've tried: Editing the org.freedesktop.upower.policy to disable suspend and hibernate. Setting power management options in "Power" section of "System Settings". Looking at all power management options in the BIOS (none appear to be relevant to sleep/suspend/hibernate). Reading every forum post/askubuntu post that I can find that's even tangentially related to the subject. My question: how to disable the automatic sleep and/or hibernate (and/or anything similar) in Ubuntu 12.04. I don't care if it's still possible to sleep/suspend/hibernate/whatever by pushing buttons or running some command or reciting led zeppelin lyrics backwards. I just want my laptop to be ready for work in the morning. *The laptop is a Dell Latitude something or other. I don't want to get too specific because I've seen a lot of similar questions get closed for being too specific. I think my question is generic enough to stand -- it's a question about the latest, stable version of Ubuntu.

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  • How to undelete files in TFS

    - by Tarun Arora
    Have you accidently deleted files from TFS and are looking at a way to undelete the file? You don’t have to undo your previous check in to get the files back, there is a simpler way. 01 – View Deleted items in Team Explorer Have you been wondering how you can view deleted items in Team Explorer? Well, go to tools, options, Source Control. From Visual Studio Team Foundation check ‘show deleted items in the Source Control Explorer’.  02 – Undelete files from TFS Simply right click the deleted file or folder and from the context menu select ‘Undelete’. This will roll back the files to the version before the delete operation was committed on them.  The undeleted changes now show up as pending changes in your workspace. You need to right click the folder and select Check In Pending changes from the context menu to restore the files. Add a comment and check in the files back to TFS to undelete them Right click the folder and view history. You’ll see both the check in that deleted the file/folder and the check in that restored it. So, that’s how you can restoring deleted files in TFS… Nice and simple… Right?

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  • How can I reset windows 7 file permissions?

    - by ssb
    I looked at this post and it seemed to be close to what I want, but my case might be a little worse: How can I reset my windows 7 file permissions to a rational state? Basically a while back I (very stupidly) changed the permissions on all sorts of system folders, and eventually rendered my computer virtually unusable. I managed to hack administrator privileges back onto key folders and getting it working, but in doing so I only modified permissions a lot more away from the natural state. I'm looking at this icacls stuff, but ultimately I need to reset EVERYTHING back to what it was in The Beginning, before I messed with it, from the C: directory all the way down. Right now application data is what's giving me problems, and I can't get it to work no matter how much I fiddle with those specific permissions. I will be forever grateful for help on how to do this without having to reformat.

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  • Insanity Day 3

    - by D'Arcy Lussier
    So on Tuesday (Sept 25th) I did my 2nd Insanity workout (for those keeping track, I’m not counting the fit test as #1) and it was MURDER on my legs. I wasn’t able to get to it yesterday, and I’m noticing a trend in this first week – I can easily push to do it every 2nd day, but life is just too crazy busy right now (yeah yeah, excuses right? I look at it more like priorities – I have a tech conference I’m running next week, crazy days right now). Today I moved to the 3rd workout – but honestly I couldn’t get into it. It was the cardio recovery day, which is a lot of stretching and stuff. I think if I had been doing the first two sessions back to back I’d need it, but I didn’t want to cool down today – I wanted to push! So I moved to the next DVD in the series but for some reason couldn’t get it to run on my computer, even with SlyDVD. So – back to Disc 1 and the Plyometric Cardio Circuit! Fantastic workout again this morning. Don’t get me wrong, I’m not all of a sudden in amazing shape, but I am noticing already that I seem to be somewhat better – I’m really looking forward to my next fit test at the end of the month!

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  • Ubuntu works in try out but not when installed, how to fix?

    - by QVaren
    I've got quite a problem with it, perhaps the problem lies with me but I thought I fixed it, I believe the opposite now... Anyhow, I started off with a 64-Bit Windows 7 platform and I wanted something new then the same boring windows, I heard about Ubuntu before but I didn't see a reason to change it. Now I had found my reason, so what did I do was do the installation via an USB, I went "try out before installation" first and it worked perfectly, however... When I installed it, deleted my Window 7 and tried to reboot with my fresh oh-so-clean new OS, it didn't want to load. At a certain point it said to boot up from a bootable option or something like that. Where it came to was that I couldn't load it up. Now, I wanted to switch back to Windows 7 because it didn't work and now I can't switch back because my harddrive switched modus because of Linux files (From NTFS to 4ex or something, I forgot). I'm currently typing this in the try out version of Ubuntu since I can't switch back to either Windows 7 or to the installed version of Ubuntu. So, my question follows: Can I fix it by keeping Ubuntu? Because I like Ubuntu. Also a side note: I'm a total noob when it comes down to this sort of things.

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  • Is there a way to manage browser [chrome] session cookies with a fast toggle for multiple users?

    - by ResoluteHiker
    I feel I should go into more detail. My wife and I share a laptop and browse email. Currently we keep coming back to each others gmail accounts, having to log out and log back in. Are there any good extensions or addons that would allow us to toggle back and forth between these? This does not necessarily need to apply to just gmail but include any cookie, session, etc. I'd be willing to use Firefox if such an extension exists on it as well. Much appreciated!

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