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• I removed my WinXP machine's association to U1 from within the Windows client, and now can't get it back to work anymore

  - by Andrea

  After testing the windows client for U1 sync, I decided to test the preferences' settings, and tried to remove the association for the WinXP station from which I was working. Now I can start the client, but if I try to open the preferences' settings the application stops. I tried to uninstalle and reinstall, but that won't change the situation: appearently the old settings are kept the same even after a total reinstall.

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• How do I revert the Plymouth theme back to default after purging Kubuntu?

  - by Pezhman Karimeh

  I recently installed the KDE Kubuntu desktop but after somehow working with i decided to use pure GNOME Ubuntu desktop again.I remove Kubuntu desktop and its packages completely but Kubuntu background image still running at time of booting the system and shutting down it. I tried the steps below at terminal , it made the shutting down background image correct but still the background image of booting time is kubuntu image. sudo update-alternatives --set default.plymouth /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth How could i change this image to the default Ubuntu image too?

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• How to Fight Back Against Cyber Stalking That Occurs on Myspace?

  There are are literally thousands of different areas on the Internet that seem to be very handy for cyber stalkers to lurk around in. This causes many people to wonder if any of the social networking... [Author: Ed Opperman - Computers and Internet - May 24, 2010]

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• How to get GUI back after freeze interrupted an Nvidia driver update?

  - by Reinere

  I just went through a driver update. The OS froze, so I had to hard reboot the PC. Now I just get the login prompt in terminal. So, I tried to run startx. codeError: API mismatch: the NVIDIA kernel module has version 304.43 but this NVIDIA driver Component has version 295.49` I just got this error. I have to type sudo su then modprobe ndiswrapper to get my Wi-Fi to work, so step by step instructions after that would be greatly helpful.

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• I am one step closer to installing ubuntu, back is grayed out and I was stupid enough to not make a backup

  - by user283544

  Ok, so yeah, i've been stupid enough not to make a backup and 1 step closer to installing ubuntu. What I need is that is windows totally safe and not gonna be touched I made a new partition from windows, and in ubuntu installer I chose "Something else" Then I chose that partition as an ext4 and mount "/" Device for bootloader is my hard disk, /dev/sda/, that's what keeps me a little aware. So I need a quick answer is my windows 7 gonna be touched?

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• How do i reinstall windows back on to linux without flashdrive or cd?

  - by user287536

  I know this is for ubuntu. but elementary os and ubuntu are really similar, so any answers or instructions will work on this os. plus the people here at ubuntu are alot better with these kind of problems. I've installed elementary os, and i am somewhat satisfied. However, many of the addons and applications i used to use are incompatible with linux and wine doesnt work with these apps that work with drivers and plugins. My recovery hp partition was replaced by the grub partition somehow. i dont' have a cd or a working flashdrive. i have found many links, but i dont understand the instructions to a full level. ive heard that you can create a partition, extract your windows iso there, and then boot from it. i have done the first 2 steps, but i dont know how to boot from a certain partition. i know how to with command prompt, but not with terminal and/or grub. Please help? im a noob in linux, ive only installed it for a month

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• Want Amarok 1.4 Back in Ubuntu? Here is how!

  <b>Tech Drive-in:</b> "Amarok was my favorite among Linux media players, until Amarok 2.0 series started coming in. I totally understand that Amarok 2.0 series is a complete rewrite and I really appreciate the effort they have put on upgrading Amarok."

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• If you had to go back and re-learn your skill set, how would you do it?

  - by vorbb

  My younger brother is looking to start programming. He's 14, and technically-inclined, but no real experience programming. He's looking to me for guidance, and I don't feel as if my experience is enough, so I figured I'd ask here. He's more interested in web programming, but also has an interest in desktop/mobile/server applications. What would be a good learning path for him to take? I'm going to buy him a bunch of books for Christmas to get him started; the question is, what should he learn, and in which order? The way I see it, he needs to learn theory and code. I'd like to start him off with Python or Ruby or PHP. If he wants to get in to web, he's also going to need to learn HTML, CSS, Javascript, etc. Out of those three domains (Languages, Theory, Markup/Etc.), what is the best order do you think to learn in? Also, am I missing anything? Thanks!

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• Want to back up using dd, but my present ubuntu installation is 149.04 + 3.81(swap) GB, my target drive is only 149.05 GB

  - by Shreshth

  My netbook is a Windows7-Ubuntu 12.04 dual boot. in gparted the strcture looks like Partition filesystem size /dev/sda2 extended 152.86GiB __/dev/sda6 ext4 149.04GiB __/dev/sda5 linux-swap 3.81GiB /dev/sda3 ntfs 100MiB /dev/sda4 ntfs 145.13GiB /dev/sdb1 fat32 149.05GiB I want to backup my ubuntu 12.04 installation that is sda2 (sda6 + sda5) to sdb1. As you can see sda5 +sda6 is 152.86 GB where are sdb1 is only 149.05 GB. Can I backup only sda6(149.04GB) without losing any data? That is to say, will I be able to restore my ubuntu using only sda6 and later add the needed swap? Edit: Made it readable.

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• Putting the Con (COM1, LPT1, NUL, etc.) Back in your URLs

  One annoyance that some developers have run into with ASP.NET MVC is that certain reserved filenames are not allowed in URLs. The specifics of this restriction are accounted for in an interesting blog post entitled Zombie Operating Systems and ASP.NET MVC. This actually wasnt a restriction on ASP.NET MVC but was built into the core of ASP.NET itself. Fortunately, ASP.NET 4 fixes this issue with a new setting. In web.config, simply add <httpRuntime relaxedUrlToFileSystemMapping="true"/> to...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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• Setting navigationItem.leftBarButtonItem - why does it hide my back arrow button ?

  - by gotye

  Hey guys, When I do this : // --------------- SETTING NAVIGATION BAR LEFT BUTTON activityIndicator = [[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0.0,0.0,25.0,25.0)]; [activityIndicator sizeToFit]; activityIndicator.autoresizingMask = (UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin); UIBarButtonItem *loadingView = [[UIBarButtonItem alloc] initWithCustomView:activityIndicator]; //loadingView.target = self; self.navigationItem.leftBarButtonItem = loadingView; [activityIndicator startAnimating]; // --------------- It hides my back arrow button (the one I use to get back to the previous controller) ... why is that ?!? How am I supposed to add my activityIndicator next to my back arrow ? (i already used titleView and rightbarbuttonitem) Thanks a lot, Gotye.

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• Can you manually add to an iPhone/iPad Navigation Bar a back button item?

  - by MikeN

  I have a reference to a "UIBarButtonItem", is there a way I can add a custom "Back Navigation Button" to that item when it is not part of a Navigation based view? I can add a left button: UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@"Custom Back" style:UIBarButtonItemStylePlain target:self action:@selector(backAction:)]; menuItem.backBarButtonItem = backButton; //This doesn't seem to work. menuItem.popOverNavigationItem.leftBarButtonItem = backButton; //This shows a normal button So how could I make the leftmost button look like a back navigation button?

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• How to Detect Forward and Back Mouse Button Events in Delphi?

  - by EagleOfToledo

  If a mouse has other buttons in addition to the standard left/right/middle (e.g. forward/back), how can we detect those button clicks in Delphi? An example of how this is used is the Internet Explorer, where the forward/back button on the side of a Logitech or MS mouse cycles forward and back between any loaded web pages. This seems to replicate the Backspace/CTRL+Backspace on the keyboard but I tried to detect that using KeyPreview and the KeyPress event but it does not pick it up. Any idea how to detect clicks on these extended mouse buttons?

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• Does Flickr "Know" if a Hotlinked Image Does Not Link Back to Source?

  - by Michael Robinson

  From Flickr's community guidelines: "Do link back to Flickr when you post your photos elsewhere. The Flickr service makes it possible to post images hosted on Flickr to outside web sites. However, pages on other web sites that display images hosted on flickr.com must provide a link from each photo back to its photo page on Flickr." Our company currently allows image hotlinking for user-uploaded images. It turns out that this has been more popular than we had expected, and I would like to capitalize on this if possible. We will be altering the guidelines to include a clause similar to Flickr's, quoted above. As hotlinking costs us, both in terms of server load and bandwidth, we would like to get at least something out of it, other than merely a warm feeling inside. My question: Does Flickr "know" if a hotlinked image does not link back to its source? Bonus: if Flickr knows, how?

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• How can I transition from a front-end career to back-end career?

  - by jexx2345

  Hello, In 2004, I received my B.S. in Computer Science using mostly Java for programming. Since then, I have been hired for purely front-end positions in large companies through recruiters, doing primarily HTML/CSS, Javascript/jQuery, and OOP Actionscript 3. While I definitely have respect for the front-end, and have learned much, I feel very unfulfilled and would love to move into back-end for the more complex programming I was doing in school. My target platform of choice is ASP.Net 3.5 (C#). With a resume that has absolutely no .Net or back-end experience, how can I transition into a junior back-end job? I am currently freelancing a .Net e-commerce site, and plan to build a portfolio showcasing some apps (e-commerce mvc, blog, etc), while learning the technology. Is having a Bachelors in CS enough or should I look into getting .Net certified? Is showing course-work still relevant to an employer even though it was from 6 years ago? Thank you

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• Does anyone has the experience of using the new p4 replicate command in their Perforce back-up /rest

  - by Thomas Corriol

  Hi all, we recently performed an upgrade of our whole perforce system to 2009.02 During this exercise, we noticed that the back-up /restore process that was installed here by the Perforce consultant a year ago was not completely working. Basically, the verify command has never worked (scary !). As we are obliged to revisit our Back-Up/Restore scripts, I was toying with the idea of using the new p4 replicate command. The idea is to use it alongside an rsync of the data files, so that in case of crash we will lose at worst an hour of work (if we execute them every hour). Does anyone has the experience or an example of back-up/restore scripts using the p4 replicate command of the 2009.02 version ? Thanks, Thomas

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• How to best work with a "forked" a git repo, and push some new features back to origin

  - by Jesper Blad Jensen aka. Deldy

  Hi all, I'm having a blog-project on GibHub, where a friend of mine, wants to base his code on. He will make some changes to some files that he do not wish to commit back to me (maybe stylesheets and images), but he will maybe implement a new feature that he would like to push back to my project. He should also be able to get new code from me, where he would like to get all new stuff. I've looked around, and it seams that Rebase is the way to go for him, to get updates from me, but how can he most easily push a feature back to me? (He is just learning Git, as well as me)

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• How do I Parse the response I get back from CURL?

  - by Daelan

  I'm sending some data to an external URL using Curl. The server sends me back a response in a string like this: trnApproved=0&trnId=10000002&messageId=7&messageText=DECLINE I can assign this string to a variable like this: $txResult = curl_exec( $ch ); echo "Result:<BR>"; echo $txResult; But how do I use the data that is sent back? I need a way to get the value of each variable sent back so that I can use it in my PHP script. Any help would be much appreciated. Thanks.

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• Split a string and join it back together in a different order?

  - by Xaisoft

  What is the most concise, yet readable way to split a string and put join it back together in a different order. For example, I want to split the following string: 10-20-30-4000-50000 and I would do this via: string[] tokens = original.Split('-'); and now I want to put it back together in this order: 30-20-10-4000-50000 I know I can use Join to put it back together in it's original form, but I don't want that. The only thing I can think of right now is: string modified = string.Format("{0}{1}{2}{3}{4}",tokens[2],tokens[1],tokens[0],tokens[3], tokens[4]); I realized that if I do: string modified = string.Format("{2}{1}{0}{3}{4}", tokens); it does not keep the dashes which is what I want so is to do that, should I just do: string modified = string.Format("{2}-{1}-{0}-{3}-{4}", tokens);

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• How to add "Back to top" link at bottom at <div> is browser window is shorter than page, using jquer

  - by metal-gear-solid

  How to add "Back to top" link at bottom at is browser window is shorter than page, using jquery? <div id="mainContent"> <p>Some content</p> </div> If some content is bigger than browser window ( I mean if vertical bar comes on the page) then i want to add Back to top just before closing the div. <div id="mainContent"> <p>Some content</p> <p>Some content</p> <p>Some content</p> <a href="#"> Back to top </a> </div>

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• MS Access Premiere Products Exercise

  - by rynwtts

  I am working with Microsoft Access, Premiere Products Exercises for a college course. I can't seem to get past a specific question. We are working with DBDL and E-R Diagrams. The question is here. Indicate the changes you need to make to the design of the Premiere Products database to support the following situation. A customer is not necessarily represented by a single sales rep but can be represented by several sales reps. when a customer places an order, the sales rep who gets the commission on the order must be one of the collection of sales reps who represents the customer. In the database already each customer is represented by a sales rep. Which yields a one to one relationship. I need to enable a customer to have several sales reps, and make it so that only those sales rep will be eligible for commission upon each order.

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• How many bits for sequence number using Go-Back-N protocol.

  - by Mike

  Hi Everyone, I'm a regular over at Stack Overflow (Software developer) that is trying to get through a networking course. I got a homework problem I'd like to have a sanity check on. Here is what I got. Q: A 3000-km-long T1 trunk is used to transmit 64-byte frames using Go-Back-N protocol. If the propagation speed is 6 microseconds/km, how many bits should the sequence numbers be? My Answer: For this questions what we need to do is lay the base knowledge. What we are trying to find is the size of the largest sequence number we should us using Go-Back-N. To figure this out we need to figure out how many packets can fit into our link at a time and then subtract one from that number. This will ensure that we never have two packets with the same sequence number at the same time in the link. Length of link: 3,000km Speed: 6 microseconds / km Frame size: 64 bytes T1 transmission speed: 1544kb/s (http://ckp.made-it.com/t1234.html) Propagation time = 6 microseconds / km * 3000 km = 18,000 microseconds (18ms). Convert 1544kb to bytes = 1544 * 1024 = 1581056 bytes Transmission time = 64 bytes / 1581056bytes / second = 0.000040479 seconds (0.4ms) So then if we take the 18ms propagation time and divide it by the 0.4ms transmission time we will see that we are going to be able to stuff ( 18 / 0.4) 45 packets into the link at a time. That means that our sequence number should be 2 ^ 45 bits long! Am I going in the right direction with this? Thanks, Mike

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• Hard Disk:S.M.A.R.T. Stas BAD, Back up and replace

  - by Nick

  I have an laptop top hard drive I was trying to use to my new media computer. The case is small and can accommodate for 2 2.5" drives, no 3.5" drives. I had been using the hard drive as storage hard drive until now. When I go to install Windows on the hard drive first I'm prompted at the bios of: Hard Disk:S.M.A.R.T. Stas BAD, Back up and replace. And then again in the Windows Setup, informing me that the hard drive is bad. So I did a full format of the drive and tried again. Same error. So I took it out and hooked it back up to my other computer via an Sata usb adapter kit (maybe the cause?). The hard drive is recognized fine and when I scanned it for errors by going: right click -> properties -> tools -> error checking It returns that the hard drive is fine. I have tried 3 different SATA cables and multiple jumpers. When I plugged in my 1.5 tb 3.5" drive the computer that gives me the S.M.A.R.T. error on the 2.5" drive, recognizes it with no problems. Any ideas on why this is happening and how I can fix it?

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• How do I give a user permisson to view scheduled task history on Server 2008?

  - by pplrppl

  I've set up a scheduled task on Server 2008 and want to run it as a user other than the local administrator. So I choose a domain account created specifically for this task and once I've closed the scheduled task and entered a valid password I want to run it and look a the history tab for this task. On the history tab I see: The user account does not have permission to view task history on this computer. What permission must I grant to allow this user to view history and/or how can I view the history as a local admin/domain admin instead of the user the job will run under? Steps to hopefully reproduce: I'm starting from the "Server Manager" - Configuration - Task Scheduler - Task Scheduler Library. IN the top middle pane I have tasks that have been running for several months as the local administrator. In the process of troubleshooting another issue I changed the task to run as Domain\ABCuser. Later in the process of troubleshooting I tried unchecking "run with highest privileges". I have since changed the job back to SERVERNAME\Administrator but the history tab still showed the permissions message. I may have had multiple Server Manager windows open. After Closing the Server Manager and being sure no other management consoles were open I was able to reopen the Server Manager and see the History tab without error. At this point the task works properly but should I ever need to run a task as a task specific account I'd like to know how to make the history viewable. It may be something as simple as closing all Server Manger windows to allow cached permissions to be refreshed the next time you open the Manager but at this point I don't know exactly what the solution is.

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• How can I tell SELinux to give vsftpd write access in a specific directory?

  - by Arcturus

  Hello. I've set up vsftpd on my Fedora 12 server, and I'd like to have the following configuration. Each user should have access to: his home directory (/home/USER); the web directory I created for him (/web/USER). To achieve this, I first configured vsftpd to chroot each user to his home directory. Then, I created /web/USER with the correct permissions, and used mount --bind /web/USER /home/USER/Web so that the user may have access to /web/USER through /home/USER/Web. I also turned on the SELinux boolean ftp_home_dir so that vsftpd is allowed to write in users' home directories. This works very well, except that when a user tries to upload or rename a file in /home/USER/Web, SELinux forbids it because the change must also be done to /web/USER, and SELinux doesn't give vsftpd permission to write anything to that directory. I know that I could solve the problem by turning on the SELinux boolean allow_ftpd_full_access, or ftpd_disable_trans. I also tried to use audit2allow to generate a policy, but what it does is generate a policy that gives ftpd write access to directories of type public_content_t; this is equivalent to turning on allow_ftpd_full_access, if I understood it correctly. I'd like to know if it's possible to configure SELinux to allow FTP write access to the specific directory /web/USER and its contents, instead of disabling SELinux's FTP controls entirely.

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