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• Cannot boot from USB to install 12.10

  - by Ramzi Njeim

  i am a long time user of Ubuntu and this is the first time a such thing happens to me. I usually upgrade from a version to an other, but this time i wish to do a clean install. I want to totally remove my 12.04 and do a clean install of 12.10, i created a live USB then i restarted my computer to boot from USB, i got the following error: Product is covered by one or more of the following patents: US5,434,872, US5,732,894, (and many more) Under that i see: PCIe GBE Family Controller Series v2.38 Media test failiure Exiting PXE ROM And then it reboots I've searched a lot for an answer, i guess the problem is with something in my bios, but i didn't find a fix. I would really appreciate a fix for my problem. My laptop is a Toshiba p775 dual boot ubuntu 12.04 and windows 7.

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• Are there studies about the disadvantages of using issue tracking systems? [closed]

  - by user1062120

  I don't like issue tracking systems because: It takes too much time to describe issues in it. This discourage its usage. You create a place to keep your bugs. And if there is a place for them, people usually don't care too much about fixing a bug cause they can put it there so that someday someone can fix it (or not). With time, the bug lists gets so long that nobody can deal with it anymore, taking up a lot of our time. I prefer handling issues using post-its on a white board, face-to-face conversations and killing important bugs as soon as they appear. I don't care too much to keep track of bug history because I don't think that it is worth the overhead. Am I alone here? Are there studies (book/article/whatever) about the disadvantages (or great advantages) of using issue tracking systems?

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• Adobe jette l'éponge sur l'iPhone, «Puisqu'on ne veut pas de nous, on va voir ailleurs» déclare le r

  Mise à jour du 21.04.2009 par Katleen Adobe jette l'éponge sur l'iPhone, «Puisqu'on ne veut pas de nous, on va voir ailleurs» déclare le responsable de Flash Suite à la situation qui s'envenime entre Adobe et Apple, Mike Chambers, le responsable du produit Flash pour la firme a décidé de s'exprimre publiquement dans un long billet, publié sur son blog. Pour contrer la compagnie de Jobs, il expose ses projets avec sa rivale de Mountain View. «Heureusement, Apple n'est pas le seul acteur. Les téléphones sous Android connaissent un succès croissant et de nombreuses tablettes Android doivent sortir cette année. Nous travaillons main dans la main avec Google pour amener Flash Player et Adobe Air s...

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• Using replacement to get possible outcomes to then search through HUGE amount of data

  - by Samuel Cambridge

  I have a database table holding 40 million records (table A). Each record has a string a user can search for. I also have a table with a list of character replacements (table B) i.e. i = Y, I = 1 etc. I need to be able to take the string a user is searching for, iterate through each letter and create an array of every possible outcome (the users string, then each outcome with alternative letters used). I need to check for alternatives on both lower and uppercase letters in the word A search string can be no longer than 10 characters long. I'm using PHP and a MySQL database. Does anyone have any thoughts / articles / guidance on doing this in an efficient way?

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• Two HTML elements with same id attribute: How bad is it really?

  - by danludwig

  Just browsing the google maps source code. In their header, they have 2 divs with id="search" one contains the other, and also has jstrack="1" attribute. There is a form separating them like so: <div id="search" jstrack="1"> <form action="/maps" id="...rest isn't important"> ... <div id="search">... Since this is google, I'm assuming it's not a mistake. So how bad can it really be to violate this rule? As long as you are careful in your css and dom selection, why not reuse id's like classes? Does anyone do this on purpose, and if so, why?

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• Nokia exprime ses craintes quant à son deal avec Microsoft, la firme pense "prendre un risque majeur"

  Nokia exprime ses craintes quant à son deal avec Microsoft, la firme pense "prendre un risque majeur" en misant sur une plate-forme "qui n'a pas encore fait ses preuves" Mise à jour du 16.03.2011 par Katleen Nokia vient de remettre son rapport annuel à la Securities and Exchange Commission américaine. Dans ce document, long de 29 pages, la question du rapprochement entre le constructeur et Microsoft est abordée, de même que les inquiétudes qui y sont liées. Nokia reconnaît notamment "prendre un risque majeur" en misant sur une plate-forme "qui n'a pas encore fait ses preuves". On peut en effet lire dans le rapport les lignes suivantes : " L...

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• If you need more than 3 levels of indentation, you're screwed?

  - by jokoon

  Per the Linux kernel coding style document: The answer to that is that if you need more than 3 levels of indentation, you're screwed anyway, and should fix your program. What can I deduce from this quote? On top of the fact that too long methods are hard to maintain, are they hard or impossible to optimize for the compiler? I don't really understand if this quote encourages better coding practice or is really a mathematical / algorithmic sort of truth. I also read in some C++ optimizing guide that "dividing up a program into more functions improves its design" is frequently taught in CS courses, but it should be not done too much, since it can turn into a lot of JMP calls (even if the compiler can inline some methods by itself).

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• alternatives for google adwords? [on hold]

  - by cauchy

  I'm making tests on my landing page, and trying to get some traffic using google adwords. Everytime I make a change or add a new keyword, I have to wait for two or three days for google to aprove the keywords. I'm in Italy, don't know if this happens anywhere else. But is really upsetting. Note: they keywords are things like fortran, SaaS, python... So, I'm looking for an adwords alternative that is fast. That is, if I change the keywords, I can start getting traffic as soon as possible without the long approval time. PD: I've found many alternatives to adwords, but they don't say anything about how fast your adds and keywords are approved which is my major problem right now. That, and price.

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• Article on Disruptives vs [something else]? [closed]

  - by cmcculloh

  Within the last week or so, there was a long article I saw linked to from Twitter that discussed innovation and disruptive programmers (and how today's disruptives become tomorrows... something else, I can't remember what they called them). It was about how a good manager is responsible for continually hiring disruptives and pitting the two against each other, because both are important. I read the article on my iPhone in the twitter ios app and forgot to star it or retweet it and now I can't find it anywhere. Anyone else read this article? Could you please give me the link?

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• Debugging random reboots

  - by M132

  I'm running Ubuntu 14.04 with 3.16.1 kernel compiled from source, and when I leave my PC running for a long time, it always reboots after about 4-8 days. Nothing is displayed on the screen, everything just freezes for about 3 seconds (and if there was any sound playing, it keeps repeating over and over), and then reboots. This issue also affects kernels compiled by Canonical's build bots. I already tried to debug it with: rsyslog kexec-tools netconsole kernel module None of them seem to be working however. Are there any better methods to check, what exactly fails here? If there's an issue with RAM for example, shouldn't kernel report this in dmesg, or cause a kernel panic?

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• How can I improve these online java programming puzzles I wrote for my (middle/high school) students?

  - by Arcymag

  I'm teaching some middle and high school students programming right now, and I found that some of them really liked online programming puzzles. So I created http://www.kapparate.com/coder/ , and right now there's 4 categories of puzzles. All the puzzles are set up right now so that variables are pre-initialized, and the user plugs in some code in the middle. For example, the problem might say these are pre-initialized: int x = ????; int y = ????; int z; and then the program might ask the student to write the final line of code: z = x + y;. Now I know I could go a long way in improving the usability of this site (like having an area that lists the pre-defined variables), but I was wondering if this concept seems sound. I know some sites have kids fill in functions, but not all of my students know what functions are yet, and I'm trying to introduce online programming puzzles before that.

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• SQLBits breaking records

  - by simonsabin

  Our next SQLBits event in Telford in July has topped the number of registrations for the Friday and we are still over 2 months to go. This is going to be our biggest regional SQLBits ever by a long way both in terms of attendees and sessions.   I’m currently in the planning for the Friday evening party and it will be a special event.   If you care about data and work with SQL Server the SQLBits XII is an event that you do not want to miss. Its not too late to register but I’ve been told...(read more)

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• Ubuntu 12.04 edit grub

  - by J. R. Crocker

  I just install Ubuntu 12.04. I want to change the boot order of grub. Previous versions of grub.cfg I was able to change the permissions and the do a gedit. After reloading 12.04, I was able to change permissions for grub.cfg, but gedit will not let me save it. I am a little irritated that Ubuntu is suppose to be open source. However someone has chosen to lock one out of a file. I do realize that some people have no business doing a edit on grub. I am a long time user of Unix and Linix.

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• How to make Classic ASP interesting if you are stuck with it?

  - by reno812

  I used to work on a really small outsourcing company (4 programmers and the boss), then when the stress and the frequent long shifts made the situation unbearable I made the switch to a better paid job with a more relaxed schedule that allows me some more free time. The problem, however, is that for the most part, everything is coded in Classic ASP that interfaces with a custom made C++ queueing system that stores everything in AS400 systems. My boss used to be one of the developers that made the initial efforts towards this, and naturally won't ever approve a switch to another languages / technologies despite the increasing difficulty that represents developing today business needs with yesterday tools. I'm pretty much stuck coding with Classic ASP in the foreseeable future, and I'm struggling to find ways to make it at least interesting, as I used to work with .NET and Java previously, and I feel like I'm going backwards... Any advice?

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• I have a new file type that I would like to handle in gnome how to get file properties?

  - by Mark

  I have a new file type that I would like to handle in gnome. Establishing a new mime type, a new thumbnailer and a new application to display the file type is done. But I need a new tab on the file properties page. This tab is analogous to the tabs for exif information for jpg files or for encoding information for video codecs, that says how long the video is. The files concerned are embroidery files and the file properties needed to be displayed are things like phisical dimentions of the design, how much thread will be used and how many colours. My belief is that with current gnome 3 this is not possible, am I right? Or should I take a wider view that in Ubuntu, anything is possible, just may be a bit difficult?

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• Headspring training: What would you like to see?

  Since January of 2008, Headspring has offered small, very advanced boot camp trainings.  These have been 3 days long and very fast-paced.  Everyone who has come through these training classes has proclaimed that they are the best organized courses they have ever taken.  Our approach to any of the boot camps is to team the practices that we employ while creating software for our clients. We have an ASP.NET MVC Boot Camp coming up on 5/26 as well as an Agile Boot Camp on 5/19. First...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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• Music Players in Ubuntu/Linux [closed]

  - by v2r

  Music Player, just like Web Browsers are an important part of today's application repertoire, and not only for entertainment reason. Having tried a few Linux Player over the past years i come to wonder, which Players you prefer and what kind of Players are out there, that you suggest are worth looking into and why!! I used Rhythmbox for a long time, but "Jamendo and Magnatune" plugin are both no longer available in 11.10 and also my covers are not shown, since i stream my music folder from a second partition. aTunes is another great Player, but there are also some flaws which i contacted the developers about. It would be nice if you post some alternatives! --Thank you. Example: Name of Player: aTunes | Homepage Additional Info : aTunes is a java-based Music-Player for Linux/Unix/Windows and ... Only one player-example per answer, please!!

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• Opening programs very slow on ubuntu 12.10

  - by Mislav Blaževic

  When I open any program for first time after boot, it loads VERY slowly (Doesn't matter how long after boot). For example, terminal takes 2-3 seconds, skype and firefox often take much longer. If I close it and open again, it loads in reasonable time (<1 second). I got Intel Core i5-2500K CPU @ 3.30GHz, so it shouldn't be hardware issue... What is causing this? Disk benchmark: Average read time: 115.5 MB/s (100 samples) Average write time: 98.7 MB/s (100 samples) Average access time: 11.79 msec (1000 samples)

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• Is CodeIgniter PHP Framework suitable for large ERP or Business Application?

  - by adietan63

  Is CodeIgniter is recommended for a large web based ERP or Business Application? I want to use CodeIgniter for my future Project and I'm so confused whether to use it or not. Im so worried about in the long term process or lifetime of the application that it may crashed or produce a bug or error. I also worried about the performance of the framework when the data becomes larger and containing millions of records. I searched on the internet the answer but there is no exactly answer that will satisfy me. I think this question is important for the programmers like me who wanted to use PHP Framework for their large business application. I need an advice from you guys in order to decide whether to use it or not. thank you very much!

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• Is it possible to force a tab/window to take focus without an alert()? [migrated]

  - by Chris Brandt

  I've been working to solve some form / session timeout issues on our site. I'd like to get the users attention BEFORE this happens so that they don't lose data that they've entered into long forms. I'm using jquery's .get to confirm with my server when the users session is set to timeout, and warn them 5 minutes before then. I've found that if I pop an alert(), it will bring the focus back to that tab / page -- but this seems 'heavy handed'. Is there a better way to do this?

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• Can't install Ubuntu 11.10 on a seperate disk partition. I have a log file. Please help!

  - by les02jen17

  Before I installed Ubuntu, I resized my C: drive (which has my Windows 7 OS). Prior to resizing, I even defragged the said drive. I tried using Wubi to install it on the created partition, but I receive an error. I have the log file and I would post it but it's too long and the site won't let me. :(So anyway, I wasn't able to install it, so I uninstalled it. Upon uninstalling Wubi and Ubuntu, I tried installing it by having the CD to my CD ROM. The installation was a success, however, upon rebooting I can neither boot to Ubuntu OR Windows 7. I get stuck in an infinite bootloop. I hope you can help me out! :(

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• I have ubuntu 11.10 64bit, can't shutdown or restart my pc?

  - by digitalcrow

  I have ubuntu 11.10 64bit, everything worked fine but after i uninstalled the airtime dj app i can't restart or shutdown my pc !! The only way to reach at the screen showing that system is going to shutdown is via terminal but it stucks and never shuts down ! I can't even restart it ! I can suspend my pc fine but can't shutdown or restart it. Need to keep the power button pressed for a long time to shut it down ! Do i have to look for a shutdown script and find out what is happening ?? I'm very unhappy with this it gives to my nerves.

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• Less known Solaris features: pwait

  - by user13366125

  This is a nifty small tool that i'm using quite often in scripts that stop something and do some tasks afterwards and i don't want to hassle around with the contract file system. It's not a cool feature, but it's useful and relatively less known. An example: As i wrote long ago, you should never use kill -9 because often the normal kill is intercepted by the application and it starts to do some clean up tasks first before really stopping the process. So just because kill has returned, it doesn't imply that the process is away. How do you wait for process to disappear? (more)

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• Getting velocity in only one plane (X) in Kismet (UDK)

  - by anna1987

  I'm trying to make a character in 2.5 platformer (in UDK) to "climb" a giant tree trunk by walking on a spiral staircase enveloped around the tree. When character goes right the tree rotates thru matinee sequence so it seems that the character is moving while in reality it is the tree that moves. I connected the matinee sequence playrate to the velocity of the character and its all good as long the character just moves left or right. When it jumps though, the velocity still affects the playrate - it should not as character moves up/down, not right/left. How do I set it up in Kismet so I get a float variable with velocity only in the X plane (horizontal)?

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• Should Equality be commutative within a Class Hierachy?

  - by vossad01

  It is easy to define the Equals operation in ways that are not commutative. When providing equality against other types, there are obviously situations (in most languages) were equality not being commutative is unavoidable. However, within one's own inheritance hierarchy where the root base class defines an equality member, a programmer has more control. Thus you can create situations where (A = B) ? (B = A), where A and B both derive from base class T Substituting the = with the appropriate variation for a given language. (.Equals(_), ==, etc.) That seems wrong to me, however, I recognize I may be biased by background in Mathematics. I have not been in programming long enough to know what is standard/accepted/preferred practice when programming. Do most programmers just accept .Equals(_)may not be commutative and code defensibly. Do they expect commutativity and get annoyed if it is not. In short, when working in a class hierarchy, should effort me made to ensure Equality is commutative?

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