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• website not available outside

  - by Keshav Nair

  I am new to ubuntu server and i have installed ubuntu server on a vm and installed LAMP etc but my problem is that my website is not visible outside. i have port triggering and added port 21,22 and 80. i really don't know what am doing, i am totally lost! I have a dynamic ip but i can access the server through 192.168.25.1 no matter how many times i restart the modem and from my public ip. I get redirected to my router settings what should i do??

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• Macbook Pro 8,2 Graphics switching - Ubuntu 12.04

  - by fgs

  I've been reading docs and various pages for a few hours now and can't seem to put all of the pieces together on this. Basically I am trying to get 12.04 installed on my MBP 8,2 with graphics card switching working in some way or another. My basic understanding is that I need to do an EFI boot install of ubuntu so that graphics card switching will work (due to the hardware design). From there I may be able to use one of the kernel modules for graphics switching: https://help.ubuntu.com/community/HybridGraphics That article isn't clear on whether I need to do an EFI install. I have also seen comments in posts here that say and EFI install works by default as long as you have refit installed. Overall, I'm quite lost as to the simplest way to proceed to get an install up and running with graphics switching. I don't mind using open source GFX drivers as long as the basics work. Any help towards a solution is greatly appreciated.

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• Is there value in having technical authors in a software team?

  - by Desolate Planet

  During my 5 years in IT as a software developer, I've noticed that developers have a strong distaste towards doing any documentation. The act of taking screenshots and creating documentation seems to be a painful and time consuming experience. In one company I worked for, we had a technical documentation team with two technical authors and they developed all the user guides for our customers. In other companies where I've suggested hiring a technical author, I've been told they are not worth the money, but I'm a little unsure if that rings true. Is it better to have developers stop coding and take half a day to do screenshots and create the various guides or is it worth hiring someone who handles such tasks?

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• Weird unexpected image compression on a web server running Apache on Ubuntu?

  - by Billy Bob Thornton

  I have a weird problem on my production web server running Apache on Ubuntu: it compresses my images thereby dramatically lowering their quality! Actually I have two virtual hosts running, each located in a different folder. Wether I display .gif images by navigating on the two sites, or acceding them directly by their url, their size and quality are invariably degraded. I tried with three different browsers: same problem. Using them on other sites on the Web: no problem. Of course I disabled mod_deflate on the server (which should not compress images anyway), but the phenomenon remains. On my local développement server, running the same configuration, everything is Ok. Now I'm completely lost! For the record, my configuration: Ubuntu 10.04, Apache 2, Php 5.

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• Getting that buzz back?

  - by kyndigs

  I have been working in development for a good company for a while now since graduating from university, I really enjoy it and have some great fun in the office and enjoy everything I am doing. But recently I have lost that old buzz, I cant bring myself to code outside of work, a while back I could be outside of work and come up with a nice idea and go away and develop that idea, but I feel that buzz has gone, I still love developing and technology but I just cant find the energy to do it when I am not at work. Has anyone else gone through a phase like this? What did you do to combat it and get that energy and buzz back? Maybe I need a new tehcnology, or a holiday!

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• Type dependencies vs directory structure

  - by paul

  Something I've been wondering about recently is how to organize types in directories/namespaces w.r.t. their dependencies. One method I've seen, which I believe is the recommendation for both Haskell and .NET (though I can't find the references for this at the moment), is: Type Type/ATypeThatUsesType Type/AnotherTypeThatUsesType My natural inclination, however, is to do the opposite: Type Type/ATypeUponWhichTypeDepends Type/AnotherTypeUponWhichTypeDepends Questions: Is my inclination bass-ackwards? Are there any major benefits/pitfalls of one over the other? Is it just something that depends on the application, e.g. whether you're building a library vs doing normal coding?

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• Why is C++ predominant in programming contests and competitions?

  - by daniels

  I understand that C++ is a very fast language, but ain't C just as fast, or faster in some cases? Then you might say that C++ has OOP, but the amount of OOP you need for most programming puzzles is not that big, and in my opinion C would be able handle that. Here's why I am asking this: I am very interested in programming contests and competitions, and I am used to coding in C on those. However, I noticed that the vast majority of people use C++ (e.g., 17 out of 25 finalists on Google Code Jam 2011 used it, while no one used C), so I am wondering if I am at a disadvantage going with C. Apart from the Object Orientation, what makes C++ a more suitable language for programming competitions? What are the features of the language I should learn and use to perform better on the competitions? For background, I consider myself pretty proficient in C, but I am just starting to learn C++.

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• Do you know a good html mailing list management software with admin levels?

  - by SirG

  I'm basically looking for a program/app/script (can be commercial) which I can ideally install on a windows server (we can run asp, asp.net php mssql) we have different groups of people who send newsletters to web members, I want to bring it all into one app which I can monitor and control. Ideally it would be able to create html newsletters, (with some templates) track emails and click throughs. Manage email lists subscribe/unsubscribes. And importantly have different levels of admin, so a newsletter creator could log in and create and send off an email, it goes into a queue where a communications editor can have an overview of all newsletters and approve the sending of the emails or edit them before they are sent off. before I start coding something up myself I thought I'd ask if anyone has any advice! Cheers!

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• Is the abundance of Frameworks dumbing down programmers?

  - by Gratzy

  With all of the frameworks available these days ORM's DI/IoC etc. I find that many programmers are losing or don't have the problem solving skills needed to solve difficult issues. I've seen many times unexpected behaviour creep into applications and the developers unable to really dig in and find the issues. It seems to me that deep understanding of whats going on under the hood is being lost. Don't get me wrong, I'm not suggesting these frameworks aren't good and haven't moved the industry forward, only asking if as a unintended consequence developers aren't gaining the knowledge and skill needed for deep understanding of systems.

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• How to coach a developer with dyslexia to improve his spelling and grammar capabilities?

  - by Uwe Keim

  Just having read this question regarding developers with dyslexia, I still have some open questions on how to deal with it: I am working on a project sinc approx. 6 month with a new developer who just finished university. I see that the code quality is high, what he's missing is the ability to write texts (even short ones) in an error-free manner (both, syntax and grammar errors). He is working on some UI stuff (VS.NET 2010, ASP.NET 4) and, beside coding, has to write short text for labels, buttons, grid view headers, page titles, etc. Since even those texts have errors inside, no matter how much I try to discuss the need for a professional, text-error-free UI, he seems to not manage to get this right, although he really tries. So my questions are: Are there any hints how he (or I) should proceed to enhance the text quality? Do you know any tools (like inline spell checkers) for VS.NET to highlight syntax and grammar errors? (We are working on a German-only UI, if this is important to know)

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• Where to find a mentor?

  - by Fanatic23

  I have been looking around for resources that discuss about mentors, including questions in the stackexchange network. I see that the general response has been to join open source projects and/or check out local user groups if there exists any. Are we sure that joining open source project can get me a mentor? It can grab eyeballs, yes, if the project is exciting enough but a mentor? I am not so sure. What do you guys think? Finally, I'd want my mentor to be in a specific domain as opposed to just being a coding wizard and that makes the search even more difficult. Suggestions?

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• Cannot connect to a Wifi network chipset AR9287

  - by Fritz

  After updating my newly installed ubuntu 10.10. I can't connect to the wifi network anymore although it is showing it. Tried to install manufacturer driver INF file via ndiswrapper only makes things worst - lost my wifi. Downloaded and installed the compat-wireless driver for the Atheros AR9287. After installing, i got my wifi connection again but after rebooting I can't reconnect again. The Wifi access point is showing 2/5 to 3/5 signal strength. Laptop: Acer Aspire 4741G Wifi Adapter: Atheros AR9287 OS: Ubuntu 10.10 64bit

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• Recover files from NTFS drive with bad sectors

  - by Martin

  A few nights ago I have created a backup of my data on an external 500 GB NTFS USB hard drive. I have then formatted my computer, reinstalled Ubuntu and started transferring back the data from the external HDD. Unfortunately some files have became corrupted and Ubuntu is unable to copy them over. The same issue happens if I login using Windows 7. Disk Utility detects with SMART that there are "a few bad sectors". Some of files are perfectly intact, but other files cannot be accessed (nor read, copied...) although they are displayed within nautilus and show the correct file size. Is there anything I can do to recover this data? I have thought of using TestDisk but this utility seems more useful for repairing lost partitions or deleted files. I have also thought of using ddrescue so I could at least have a low level copy of the disk but I am not sure what use to make of it in order to recover the data!!!

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• Game development: Pre-production stage

  - by piers

  I´m starting up a new project. It´s going to be a web browser game, developed using HTML5, JavaScript and CSS3. I have some general questions regarding the process of game developing. Should you know everything about your game by the time you start writing the first lines of code? I mean should you know all the details, all the things the player can and can not do? Basically: should you be done writing down new ideas before you begin coding? I understand the pre-production process is about documenting, doing research etc. What does that mean? Does it mean I should open up Word and write down everything about the game? For example what should happen when you click on different things etc. Thanks for your help!

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• ubuntu-server 12.04 installation-CD ------- same bug like debian 6.0.4 installation-CD? [closed]

  - by dschinn1001

  The dvd-drive of a notebook is a MatshitaBD-CMB UJ-120 Hint for you. e.g. Debian Installation-CD with Debian 6.0 resp. Debian 6.0.3 was working fine and has no trouble with this device. Installation-CD with Debian 6.0.4 is behaving same like the Ubuntu-Server-12.04-CD. They both don't recognize this dvd-combo-drive above, This problem was solved with Kernel 3.2.24.x and 3.4.x Happy Coding. Regards. dschinn1001 PS: see comment following below !

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• LibreOffice Writer Error due to a lock file

  - by Brad

  Every time I try to open a word document I get this error. LibreOffice 3.5 Either another instance of LibreOffice is accessing your personal settings or your personal settings are locked. Simultaneous access can lead to inconsistencies in your personal settings. Before continuing, you should make sure user "closes LibreOffice on host". Do you want to continue? I've been onto different forums to find out a remedy but nothing yet. I've recently done a fresh install of 12.04 (64bit) and have been having some issues with different programs and have been able to work through most of them but this one, I'm lost.

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• Encrypting and decrypting single file with master password and passphrase

  - by Iori

  Last night my system shutdown unexpectedly and when i restart it, it gave me superblock error. will then i fixed a little but. i was able to retrive my encrypted files which i encrypted my pgp public key but i was not able to retrive my private key or public key now i have ecrypted file which cannot be open because i have lost my private key. is there any way that i can encrypt my file by providing only master password and passphrase and no physical key or private key and when i am on another computer i can easily open it my same master password and passphrase. Thanks in advance

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• What is the correct way to install ATI Catalyst Video Drivers in 12.04 LTS?

  - by Stephen Myall

  I am planning on doing a fresh install of 12.04 LTS next weekend (I am currently on Beta) and want to know what is the correct way to install ATI Catalyst Video Drivers in 12.04 LTS? I have been reviewing all the Q&A on AU and the reason for asking this specific question is that I maybe be missing some dependencies from my planned coding. In a previous AU question relating to 11.10 (here) NOT 12.04 the accepted response stated that this was a dependency. sudo apt-get install ia32-libs I was also receiving conflicting advice on other websites which put doubts on what the correct approach was.

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• Turn off laptop display and have monitor

  - by Ryan B

  My laptop display has stopped working and is unfixable! Anyway, I got a full HD monitor and plugged that into the HDMI port of the laptop. I have changed the power settings so that I can close the lid and still have the monitor on, and this all works. However because it is on "mirror displays", I cannot get the full 1080p resolution that the monitor supports, and when I turn off mirror displays and switch off the laptop screen, the monitor will also switch off! I'm really stuck, as I can only get the monitor to display its full resolution if I have it with the laptop screen turned on, and I dont want this because (as the laptop display does not work) things get lost on that side of the screen. HELP. (Dell Studio 1537 Monitor is Samsung SA300 Connected through HDMI Ubuntu 11.10)

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• Where can I get feedback and support from other programmers in real time?

  - by cypherblue

  I used to work in an office surrounded by a large team of programmers where we all used the same languages and had different expertises. Now that I am on my own forming a startup at home, my productivity is suffering because I miss having people I can talk to for specific help, inspiration and reality checks when working on a coding problem. I don't have access to business incubators or shared (co-working) office spaces for startups so I need to chat with people virtually. Where can I go for real-time chat with other programmers and developers (currently I'm looking for people developing for the web, javascript and python) for live debugging and problem-solving of the tasks I am working on? And what other resources can I use to get fellow programmer support?

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• How can a student programmer improve his teamwork skill?

  - by xiao

  I am a student right now. Recently, I am working in a project as a leader with three other students. Due to the lack of experience, our project is progressing slowly and our members are frustrated. They do not feel sense of accomplishment in the project. I am pressured and frustrated, too. But as a team leader, I think I need to push them. But I do not know how to do. Do I help them solve coding problem or just encouragement? But if I pay too much attention on it, it would slow down my own progress. It is a not technical question, but it is very common in software development. I hope veteran programmers would give me some suggestions. Thanks!

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• How and where do you store your private work/source codes?

  - by Amir Rezaei

  I have worked as developer for over 10 years now. Over the time I have had my own small projects where I have developed tool/application and games. I have not found any robust solution to store my work. It’s always fun to get back to your code and see how you did before and how you would do it now. It’s just a work that is unfortunate to get lost. There are SVN solution such as Google’s Project Hosting. However I’m not interested in sharing my code or making it open source. Currently I’m hosting my own SVN server. So here comes my question. How and where do you store your private work/source codes? Requirements: Source code versioning Backup Prefers free

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• Is reference to bug/issue in commit message considered good practice?

  - by Christian P

  I'm working on a project where we have the source control set up to automatically write notes in the bug tracker. We simply write the bug issue ID in the commit message and the commit message is added as a note to the bug tracker. I can see only a few downsides for this practice. If sometime in the future the source code gets separated from the bug tracking software (or the reported bugs/issues are somehow lost). Or when someone is looking in the history of commits but doesn't have access to our bug tracker. My question is if having a bug/issue reference in the commit message is considered good practice? Are there some other downsides?

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• Design pattern and best practices

  - by insane-36

  I am an iphone developer. I am quite confident on developing iphone application with some minimal feature. I would consider myself as a fair application developer but the code I write is not so much structured. I make vey little use of MVC because I dont seem to find places to impose MVC. Most of the time, I create application with viewcontrollers and very few models only. How could I improve the skill for making my code more reusable, standard, easy and maintainable. I have seen few books on design patterns and tried few chapters myself but I dont seem to skip my habit. I know few of them but I am not being able to apply those patterns into my app. What is the best way to learn the design patterns and coding habit. Any kind of suggestion is warmly welcomed.

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• How can I implement an Iris Wipe effect?

  - by Vandell

  For those who doesn't know: An iris wipe is a wipe that takes the shape of a growing or shrinking circle. It has been frequently used in animated short subjects, such as those in the Looney Tunes and Merrie Melodies cartoon series, to signify the end of a story. When used in this manner, the iris wipe may be centered around a certain focal point and may be used as a device for a "parting shot" joke, a fourth wall-breaching wink by a character, or other purposes. Example from flasheff.com Your answer may or may not include a coding sample, a language agnostic explanation is considered enough.

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