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  • Is there any way to simulate a slow connection between my server and an iPad (without installing anything on the server)?

    - by Clay Nichols
    Some of our webapp users have difficulty on slower connections. I"m trying to get a better idea of what that "speed barrier is" so I'd like to be able to test a variety of connection speeds. I've found ways to do this on Windows but no on the iPad, so I'm looking more for some sort of proxy service that'll work with any device (not running ON that device) I did find an article about using the CharlesProxy and providing a connection to another device, but I was hoping for something simpler (need not be free) Constraints * We are on a shared server so we can't install anything and we are limited in our control over that server. * I'd like to test an iPad, Android Tablet, Windows PC.

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  • Is there anything software-related I can do, to make ubuntu play high-quality mkv files smoothely?

    - by Roy
    I've noticed that beyond let's say..a 20 MB/s bitrate, a movie would lag, played on my laptop.. It results in me missing the highest bitrated scenes of a movie.. And sometimes having to compromise for watching the movie at a lesser quality.. I was wondering if there's anything I can do software-wise to play movies smoothley..? At the moment Ubuntu is installed with all the default settings on an 60GB SSD I use VLC ofcourse.. I also have 2 1TB HDD - maybe I can use them as pagefiles? I don't really know alot about this so maybe this is irrelevant.. I took the laptop battery out since it was dead..but I think this is also irrelevant.. would appriciate a response, even if there's nothing that can be done software-wise :)

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  • pascal triangle in php (anything wrong with this solution?) [migrated]

    - by zhenka
    I saw that one of the interview questions could be building a pascal triangle. Is there anything wrong with this particular solution I came up with? function pascal_r($r){ $local = array(); if($r == 1){ return array(array(1)); } else { $previous = pascal_r($r - 1); array_push($local, 1); for($i = 0; $i < $r - 2 && $r > 2; $i++){ array_push($local, $previous[$r-2][$i] + $previous[$r-2][$i + 1]); } array_push($local, 1); } array_push($previous, $local); return $previous; } print_r(pascal_r(100));

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  • What is the Best way to learn c# programming and capability to do anything with C#?

    - by MSU
    I browsed all the answers given in Stackoverflow,i couldn't find my answer that's why i am writing this, so please don't mark this a duplicate. My case i want to get the capability of doing anything in C# from building applications to solving problems. I searched for and tried to read books. Then one of the experts said, reading books will not make any good for you, for learning you have to solve problems i.e. real world problems in C#, he gave me some sample problems, which i previously did in C++, i started doing, but the thing is that i know the internal logic of solving the problem or the algorithm to solve. But i don't know how to imepelement them using C# efficiently. so, the gap is, i can't think in C#, I know the message to passed but don't the exact way to pass it. I did a program to solve a problem, then find out there are much easier ways of doing it wherever i was doing it in tougher way. So, can you guys(C# experts) please enlighten me, what i need to get hold of the language and get the ability to code in C# proficiently?

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  • Book Giveaway: We Have 10 Free Copies of the 4-Hour Chef (The Simple Path to Cooking Like a Pro, Learning Anything, and Living the Good Life)

    - by The Geek
    The 4-Hour Chef isn’t just a cookbook. It’s a choose-your-own-adventure guide to the world of rapid learning from the best-selling author of the 4-Hour Workweek, and we’ve got 10 free copies for How-To Geek readers. Want more information? Here’s the description of the book, from the Amazon page. The 4-Hour Chef is a five-stop journey through the art and science of learning: 1. META-LEARNING. Before you learn to cook, you must learn to learn. META charts the path to doubling your learning potential. 2. THE DOMESTIC. DOM is where you learn the building blocks of cooking. These are the ABCs (techniques) that can take you from Dr, Seuss to Shakespeare. 3. THE WILD. Becoming a master student requires self-sufficiency in all things. WILD teaches you to hunt, forage, and survive. 4. THE SCIENTIST. SCI is the mad scientist and modernist painter wrapped into one. This is where you rediscover whimsy and wonder. 5. THE PROFESSIONAL. Swaraj, a term usually associated with Mahatma Gandhi, can be translated as “self-rule.” In PRO, we’ll look at how the best in the world become the best in the world, and how you can chart your own path far beyond this book. Still not sold? There’s more information and pictures over on the Amazon page for the book. The 4-Hour Chef: The Simple Path to Cooking Like a Pro, Learning Anything, and Living the Good Life Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary

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  • "Untrusted packages could compromise your system's security." appears while trying to install anything

    - by maria
    Hi I've freshly installed Ubuntu 10.4 on a new computer. I'm trying to install on it application I need (my old computer is broken and I have to send it to the service). I've managed to install texlive and than I can't install anything else. All software I want to have is what I have succesfuly installed on my old computer (with the same version of Ubuntu), so I don't understand, why terminal says (sorry, the terminal talks half English, half Polish, but I hope it's enough): maria@marysia-ubuntu:~$ sudo aptitude install emacs Czytanie list pakietów... Gotowe Budowanie drzewa zaleznosci Odczyt informacji o stanie... Gotowe Reading extended state information Initializing package states... Gotowe The following NEW packages will be installed: emacs emacs23{a} emacs23-bin-common{a} emacs23-common{a} emacsen-common{a} 0 packages upgraded, 5 newly installed, 0 to remove and 0 not upgraded. Need to get 23,9MB of archives. After unpacking 73,8MB will be used. Do you want to continue? [Y/n/?] Y WARNING: untrusted versions of the following packages will be installed! Untrusted packages could compromise your system's security. You should only proceed with the installation if you are certain that this is what you want to do. emacs emacs23-bin-common emacsen-common emacs23-common emacs23 Do you want to ignore this warning and proceed anyway? To continue, enter "Yes"; to abort, enter "No" I was trying to install other editors as well, with the same result. As I decided that I might be sure that I know the package I want to install is secure, finaly I've entered "Yes". The installation ended succesfuly, but editor don't understand any .tex file (.tex files are for sure fine): this is pdfTeX, Version 3.1415926-1.40.10 (TeX Live 2009/Debian) restricted \write18 enabled. entering extended mode (./Szarfi.tex ! Undefined control sequence. l.2 \documentclass {book} ? What's more, I've realised that in Synaptic Manager there is no package which would be marked as supported by Canonical... Any tips? Thanks in advance

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  • Can Anything be Done to Make Improv (a 1993 Win 3.1 App) handle larger Files?

    - by user75185
    My very favorite spradsheet is Improv, a 1993 Windows 3.1 application. It still puts Excel to shame for building spreadsheets and writing formulas. The only problem is because Improv was written when 1 Meg of RAM was state of the art, it becomes unstable when working with larger spreadsheets and often crashes and/or corrupts the data file. I am working on a project that greatly exceeds Improv's limits. Although it will ultimately require more robust databasing capability, I could save a lot of critical time if I could delay that headache and continue working in Improv for now. To that end, I moved to the only product I could find that comes close, Quantrix, which is nothing more than Improv updated to handle large spreadsheets and utilize today's technologies. The problems with Quantrix are its speed (significantly slower than Improv) and its $1000 price (which I cannot afford). I have already had 3 15 day extensions after the initial 30 day trial, so my time to use Quantrix as a bridge is at its end. Searches for Improv over the years have gotten me nowhere and, not surprisingly after reading some posts on this site, I got nothing for the money and time invested to find a programmer to write code to "fix" this problem. Improv is freely available as "abandonware" at http://vetusware.com/download/LotusImprov2.1/?id=5797 , and the best background info can be found on Wikipedia and at "Moose's Greatest Software Products of All Time - Lotus Improv" http://moosevalley.fhost.com.au/mooses_review_page_lotus_improv.html It is critically urgent for me to focus on analyzing the data asap. Working in a stable Improv would, without question, be the fastest route. To that end, I am looking for answers to the following questions and anything else that might be helpful: 1) Is it lawful to hire someone to fix Improv for my own use? If so, 2) About how much should it cost? 3) About how long should it take? 4) What skills should I be looking for &/or how should a post be worded? 5) Is there a niche site where it should it be posted? 6) What questions can I ask to quickly screen candidates? Since I am not a programmer, I need questions the answers to which leave no room to confuse me, whether intentional or not. For example, what tools or players should someone with an acceptable competency level have knowledge of?

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  • Windows explorer doesn't open My Documents, Music or anything when clicking the library?

    - by Link
    I recently installed Windows 7, and for some reason my Libraries don't open to My Documents, Music and so on.. I can access my files by typing into the explorers address bar, but clicking anything doesn't do anything, it just stays on the same screen. What's wrong? Since this is occurring on a relatively new install, I currently have 259GB free out of 297GB on my HD. The My Documents folder only has about 500 mb of Data.

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  • working in external actionscript file does not show anything on the screen?

    - by XNA
    I'm writing this code in Flash builder and I tested the file in flash, but nothing appears in the swf file. (no text in the screen show , i don't know why) Is there any missing property in the code? Also, when I create text or movie clip with flash tools on the stage and give it an instance name, flash builder doesn't seem to recognize it in the action script code. package { import flash.display.MovieClip; import flash.text.TextField; public class mark extends MovieClip { public function mark() { super(); public var d:TextField=new TextField(); d.text="Hello world"; d.x=250; d.y=300; addChild(d); } }

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  • working in extrenal actionscript file does not show anything on the screen?

    - by XNA
    I'm writing this code in Flash builder and I tested the file in flash, but nothing appears in the swf file. (no text in the screen show , i don't know why) Is there any missing property in the code? Also, when I create text or movie clip with flash tools on the stage and give it an instance name, flash builder doesn't seem to recognize it in the action script code. package { import flash.display.MovieClip; import flash.text.TextField; public class mark extends MovieClip { public function mark() { super(); public var d:TextField=new TextField(); d.text="Hello world"; d.x=250; d.y=300; addChild(d); } }

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  • Why / how does XNA's right-handed coordinate system effect anything if you can specify near/far Z values?

    - by vargonian
    I am told repeatedly that XNA Game Studio uses a right-handed coordinate system, and I understand the difference between a right-handed and left-handed coordinate system. But given that you can use a method like Matrix.CreateOrthographicOffCenter to create your own custom projection matrix, specifying the left, right, top, bottom, zNear and zFar values, when does XNA's coordinate system come into play? For example, I'm told that in a right-handed coordinate system, increasingly negative Z values go "into" the screen. But I can easily create my projection matrix like this: Matrix.CreateOrthographicOffCenter(left, right, bottom, top, 0.1f, 10000f); I've now specified a lower value for the near Z than the far Z, which, as I understand it, means that positive Z now goes into the screen. I can similarly tweak the values of left/right/top/bottom to achieve similar results. If specifying a lower zNear than zFar value doesn't affect the Z direction of the coordinate system, what does it do? And when is the right-handed coordinate system enforced? The reason I ask is that I'm trying to implement a 2.5D camera that supports zooming and rotation, and I've spent two full days encountering one unexpected result after another.

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  • unable to install anything that depends upon spamassassin. Cant even install spamassasin

    - by Harbhag
    I am trying to install mailscanner using apt-get install mailscanner and I got the following error Setting up spamassassin (3.3.1-1) ... Starting SpamAssassin Mail Filter Daemon: child process [21344] exited or timed out without signaling production of a PID file: exit 255 at /usr/sbin/spamd line 2588. invoke-rc.d: initscript spamassassin, action "start" failed. dpkg: error processing spamassassin (--configure): subprocess installed post-installation script returned error exit status 255 dpkg: dependency problems prevent configuration of mailscanner: mailscanner depends on spamassassin (>= 3.1); however: Package spamassassin is not configured yet. dpkg: error processing mailscanner (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. Errors were encountered while processing: spamassassin mailscanner E: Sub-process /usr/bin/dpkg returned an error code (1) and when I tried to install spamassassin I got the following error : Setting up spamassassin (3.3.1-1) ... Starting SpamAssassin Mail Filter Daemon: child process [21389] exited or timed out without signaling production of a PID file: exit 255 at /usr/sbin/spamd line 2588. invoke-rc.d: initscript spamassassin, action "start" failed. dpkg: error processing spamassassin (--configure): subprocess installed post-installation script returned error exit status 255 dpkg: dependency problems prevent configuration of mailscanner: mailscanner depends on spamassassin (>= 3.1); however: Package spamassassin is not configured yet. dpkg: error processing mailscanner (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. Errors were encountered while processing: spamassassin mailscanner E: Sub-process /usr/bin/dpkg returned an error code (1) I am using Ubuntu Server 10.04

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  • And What's Your Brand Worth? ...anything?

    - by [email protected]
    100 Best Global Brands from Business Week Story: The Great Trust Offensive Slide Show: Top Brands 2009 Methodology: Picking the Winners The recession has presented marketing executives around the world with the toughest test of their careers. Some brands have prospered amid the hard times--or at least held their own. Others have slipped a surprising number of places on our ninth annual ranking, compiled by consultancy Interbrand. But for seven brands, impressive performances saw them race up the charts to take their place on this year's list. Here are the numbers behind the rankings Rank 2009 Rank 2008 Employer 2009 Brand value($millions) 2008 Brand value($millions) Percent change(%) Country of Ownership 1 1 Coca-Cola  68,734  66,667  3 U.S. 2 2 IBM  60,211  59,031  2 U.S. 3 3 Microsoft  56,647  59,007  -4 U.S. 4 4 GE  47,777  53,086  -10 U.S. 5 5 Nokia  34,864  35,942  -3 Finland 6 8 McDonald's  32,275  31,049  4 U.S. 7 10 Google  31,980  25,590  25 U.S. 8 6 Toyota  31,330  34,050  -8 Japan 9 7 Intel  30,636  31,261  -2 U.S. 10 9 Disney  28,447  29,251  -3 U.S. 11 12 Hewlett-Packard  24,096  23,509  2 U.S. 12 11 Mercedes-Benz  23,867  25,577  -7 Germany 13 14 Gillette  22,841  22,069  4 U.S. 14 17 Cisco  22,030  21,306  3 U.S. 15 13 BMW  21,671  23,298  -7 Germany 16 16 Louis Vuitton  21,120  21,602  -2 France 17 18 Marlboro  19,010  21,300  -11 U.S. 18 20 Honda  17,803  19,079  -7 Japan 19 21 Samsung  17,518  17,689  -1 S. Korea 20 24 Apple  15,443  13,724  12 U.S. 21 22 H&M  15,375  13,840  11 Sweden 22 15 American Express  14,971  21,940  -32 U.S. 23 26 Pepsi  13,706  13,249  3 U.S. 24 23 Oracle  13,699  13,831  -1 U.S. 25 28 Nescafe  13,317  13,055  2 Switzerland 26 29 Nike  13,179  12,672  4 U.S. 27 31 SAP  12,106  12,228  -1 Germany 28 35 Ikea  12,004  10,913  10 Sweden 29 25 Sony  11,953  13,583  -12 Japan 30 33 Budweiser  11,833  11,438  3 Belgium 31 30 UPS  11,594  12,621  -8 U.S. 32 27 HSBC  10,510  13,143  -20 Britain 33 36 Canon  10,441  10,876  -4 Japan 34 39 Kellogg's  10,428  9,710  7 U.S. 35 32 Dell  10,291  11,695  -12 U.S. 36 19 Citi  10,254  20,174  -49 U.S. 37 37 JPMorgan  9,550  10,773  -11 U.S. 38 38 Goldman Sachs  9,248  10,331  -10 U.S. 39 40 Nintendo  9,210  8,772  5 Japan 40 44 Thomson Reuters  8,434  8,313  1 Canada 41 45 Gucci  8,182  8,254  -1 Italy 42 43 Philips  8,121  8,325  -2 Netherlands 43 58 Amazon  7,858  6,434  22 U.S. 44 51 L'Oreal  7,748  7,508  3 France 45 47 Accenture  7,710  7,948  -3 U.S. 46 46 eBay  7,350  7,991  -8 U.S. 47 48 Siemens  7,308  7,943  -8 Germany 48 56 Heinz  7,244  6,646  9 U.S. 49 49 Ford  7,005  7,896  -11 U.S. 50 62 Zara  6,789  5,955  14 Spain   Valuations do not represent a guarantee of future performance of the brands or companies. Data: Interbrand, BusinessWeek

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  • What, if anything, to do about bow-shaped burndowns?

    - by Karl Bielefeldt
    I've started to notice a recurring pattern to our team's burndown charts, which I call a "bowstring" pattern. The ideal line is the "string" and the actual line starts out relatively flat, then curves down to meet the target like a bow. My theory on why they look like this is that toward the beginning of the story, we are doing a lot of debugging or exploratory work that is difficult to estimate remaining work for. Sometimes it even goes up a little as we discover a task is more difficult once we get into it. Then we get into implementation and test which is more predictable, hence the curving down graph. Note I'm not talking about a big scale like BDUF, just the natural short-term constraint that you have to find the bug before you can fix it, coupled with the fact that stories are most likely to start toward the beginning of a two-week iteration. Is this a common occurrence among scrum teams? Do people see it as a problem? If so, what is the root cause and some techniques to deal with it?

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  • Does the "security" repository provides anything not found in the "updates" repository?

    - by netvope
    For the limited number of package I looked at (e.g. apache), I found that the package version in the updates repository is always newer than or equal to the version available in the security repository (provided that they exist). This gives me the impression that all security patches posted to the security repository are also posted to the updates repository. If this is true, I can remove all <release_name>-security entries in my apt sources.list and the <release_name>-updates entries will still give me the security patches. This will speed up apt-get update quite a bit. The best documentation I can found regarding the repositories is on the community help page "Important Security Updates (raring-security)". Patches for security vulnerabilities in Ubuntu packages. They are managed by the Ubuntu Security Team and are designed to change the behavior of the package as little as possible -- in fact, the minimum required to resolve the security problem. As a result, they tend to be very low-risk to apply and all users are urged to apply security updates. "Recommended Updates (raring-updates)". Updates for serious bugs in Ubuntu packaging that do not affect the security of the system. However, it does not mention whether the updates repository also includes everything in the security repository. Can anyone confirm (or disconfirm) this?

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  • Most commands won't do anything if I use the console at my Ubuntu server. Why?

    - by Tijs
    I've bought a vps server a few days ago, with Ubuntu on it, but I have a problem now. By nearly all the commands I put in I get this error: : command not found. I am logging in as root. I think this is the Ubuntu version I have: ubuntu-8.04-i386-minimal. (Maybe it has to do with 'minimal'? I really don't know.) To be more specific, the command I have and try to run now is this: cd ~/mclawl; screen -S MCForge -d -m -c /dev/null -- sh -c 'mono MCForge.exe; exec $SHELL' If I do so, I get this: -bash: screen: command not found

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  • Can anyone do anything about the spam here on weblogs.asp.net?

    - by Chris Hammond
    If there anyone out there who can do something about the spam here on weblogs.asp.net? Perhaps we could get some new software here that we could use to blog with? The old software barely works in Chrome (I can't see the rich text editor at this point), and lately the notification emails for Comments (which are mostly spam anyways) are pointing to http://weblogs.aspnet05.orcsweb.com which tries to get you to login with https://weblogs.aspnet05.orcsweb.com/ Anyone still maintaining this place?...(read more)

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  • Why does terminal auto complete sometimes not suggest anything?

    - by alex
    Sometimes, when I type a command on the terminal, the terminal's autocomplete does not work, even if my command is not wrong. For example, take look to this: sudo service vsftpd status sudo and service do not have any problem. I mean, when you type sud +tab terminal suggest you sudo or I type servi + tab terminal complete that to service. But for vsftpd I do not get any suggestion. Is there a way to say, "terminal, please tell me any suggestion!!?".

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  • grub workaround for cannot find UUID in dual boot system fails and now grub won't boot anything

    - by keepitsimpleengineer
    New clean install of x86 11.10 desktop. Dual boot with windows XP and Linux on separate drives. After install grub will not boot Windows, but by changing boot drive boots fine. When I go to fix this I find from http://bootinfoscript.sourceforge.net/ and a link to http://sourceforge.net/apps/mediawiki/bootinfoscript/index.php?title=Boot_Problems:search my problem, the message on the grub boot error screen: error: no such device: 6??????? So I follow the Step2 and compare the output of: sudo blkid and sudo nano /boot/grub/grub.cfg The UUIDs in both match for the Windows drive, so I do the fix in Step 4 "remove the search lines for …" in /usr/lib/grub/grub-mkconfig_lib, commenting out the three lines as before? # if fs_uuid="`${grub_probe} --device ${device} --target=fs_uuid 2> /dev/null`" ; then # echo "search --no-floppy --fs-uuid --set ${fs_uuid}" # fi I run sudo update-grub and check /etc/default/grub.cfg and see that it now identifies the Windows partition not by UUID, which I suppose is the workaround. But now when I try to boot 11.10 Desktop, I get: error: no such partition… … and when I try to boot Windows, I get: error: invalid signature. So Now, how do I fix this… The boot problem and find a workaround that works?

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  • Content appearing under multiple categories; anything I can do to prevent duplicate penalty?

    - by dave
    I'm working with a CMS that allows me to post content in to multiple categories. So, I have this link: www.site.com/category/green-cars Here are the GREEN cars TITLE: A Big green car INTRO: this is a great big green car. But then I have this link: www.site.com/category/big-cars Here are the BIG cars TITLE: A Big green car INTRO: this is a great big green car. So essentially - for every item of content, header and the intro sentence is the same regardless of the category the item appears in. Will a search engine penalise the site for having the same content in this way? I've looked at canonical links, but I don't think this is relevant here. All my content points to the same page - but the content may appear in multiple categories first. Or am I worrying about nothing? Thanks.

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  • Ubuntu 13.10. Can't access Internet and unable to install anything

    - by Crandacular
    After upgrading to Ubuntu 13.10 I was not able to access the Internet on any program that required it. So I uninstalled Firefox but I could reinstall from the software center so I used the terminal, everything ran smoothly, I told me how much additional space would be used, then it said "Err http://us.archive.ubuntu.com /ubuntu/ saucy/main Firefox i386 24.0+build1-0ubuntu1 Could not resolve 'us.archive.ubuntu.com Failed to fetch http://us.archive.ubuntu.com/ubuntu/pool/main/f/firefox/firefox_24.0+build1-0ubuntu1_i386.deb Could not resolve 'us.archive.ubuntu.com' E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?" And with both given possible fixes I also get errors. Please help, it's been like this sense the day the 13.10 update was released

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  • Keyword Research - Does it Do Anything For Your Website?

    When it comes to helping a start up online company get off the ground properly and set it on its way to success there are certain actions which can be undertaken and certain services which must be used. The above refer to every step from the web design and web content to the amount of online visibility that specific website gets.

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  • Deleted entire harddisk. Now my laptop won't boot anything and stuck at grub rescue!

    - by Jahan
    My laptop is Dell Inspiron N4030. I used to use Ubuntu 12.04 and it was on the entire hard drive. I tried to install windows 7 but my laptop couldn't install it. So, I decided to delete the entire hard drive and do a fresh install of Windows 7. But after deletion I immediately removed the gparted live usb which I was using to delete the partitions of my hard drive. And then tried booting from windows 7 cd, didn't work, tried ubuntu live cd, didn't work, tried hiren's boot cd, didn't work, tried super grub disk, didn't work. Probably I'm not doing it right. Help needed badly.

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  • No Grapical log in or anything just terminal code!!

    - by Jonthue
    I just install the unity alpha state 3, and i came across two errors, one stating it could not install a desktop feature or so and the other just had some errors that i had snap shot the error. When it says it was complete I restarted it and after it booted up, i see a long line of boot codes and then it stop with log in name and the after i put my log in name it ask for a password, but the thing is that their was no graphical lil window having my picture and my name, all I see was codes from terminal even after it admitted me in. Black screen white coding like it was a terminal on full screen only every thing was via terminal!!! HELP!!!!

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