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• Recover partition after GParted resizing interrupted by unexpected shutdown

  - by user84207

  As I was resizing my partitions using GParted, my laptop battery ran out, and the process was interrupted. Now, I am unable to mount the partition which I was trying to resize. I get the following error when I click to mount the partition on nautilus: Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sda3, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so How can I go about recovering my data? Is there a safe way to attempt to force-mount the partition in question? Any help towards recovering my data is sincerely appreciated.

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• Drawing graphics in Java game

  - by wolf

  I am quite new to game development, so here is a question (maybe a stupid one): In my sidescroller i have a bunch of different graphics objects that i need to draw (player, background tiles, creatures, projectiles etc). Most tutorials i've read so far show that each object has its own draw method, which is then called from some other method. What if I had one method that does all the drawing? Lets say i keep all my objects in an array or queue (or multiple arrays) and then go through each of them, get an image and draw it. So basically would it be better (and why) to have each object have its own draw method or one method that does all the drawing? Or does it matter at all? I feel like the second option is more comfortable, because then all the stuff to do with drawing would be in one place...

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• WCF or ASMX WebService

  - by karthi

  I have been asked to create a web service that communicates with Auth.NET CIM and Shipsurance API. This web service will be used by multiple applications (one a desktop and another a web application). Am confused whether to go for WCF or asmx web service . Auth.NET CIM and Shipsurance API have asmx webservices which i would be calling in my newly created web service.So is WCF the right way to Go or can i stay with asmx? Can Some one please guide. Let me know if this question is inappropriate here and needs to be moved to stackoverflow or somewhere else.

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• Sondage sur l'utilisation des bibliothèques JavaScript, 59 % des développeurs aurait pu finir leur dernier projet sans les utiliser

  [Octobre 2012] Sondage sur l'utilisation des bibliothèques JavaScript par Peter-Paul Koch Peter-Paul Koch est un formateur, consultant et stratège des plate-formes mobile. Il se spécialise dans la compatibilité des navigateurs au niveau des CSS, du JavaScript et du HTML. Dernièrement, il a effectué un sondage au sujet de l'utilisation des bibliothèques JavaScript et il a publié les résultats. Au moins 3 350 personnes ont répondu. Avec près de 155 000 réponses au total et près de 1 700 réponses pour la question qui en a reçu le moins, il estime que ce sondage est assez représenta...

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• 301 redirect www to non-www [duplicate]

  - by Claudiu

  This question already has an answer here: Removing non-www support 4 answers I understand that it is better to make a 301 redirect to make sure that all your links are seen the same on Google. Until now I always used erasmus-plus.ro without the www. for my website. Is it ok to make a redirect from www. to non-www. From my search on Google all users spoke about it the other way around. And somewhere I read that redirects are not good for seo. Is 301 an exception?

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• Is it necessary to create a database with as few tables as possible

  - by Shaheer

  Should we create a database structure with a minimum number of tables? Should it be designed in a way that everything stays in one place or is it okay to have more tables? Will it in anyway affect anything? I am asking this question because a friend of mine modified some database structure in mediaWiki. In the end, instead of 20 tables he was using only 8, and it took him 8 months to do that (it was his college assignment). EDIT I am concluding the answer as: size of the tables does NOT matter, until the case is exceptional; in which case the denormalization may help. Thanks to everyone for the answers.

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• Scene Graph Traversing Techniques

  - by Bunkai.Satori

  Scene Graph seems to be the most effective way of representing the game world. The game world usually tends to be as large as the memory and device can handle. In contrast, the screen of the device captures only a fraction of the Game World/Scene Graph. Ideally, I wish to process(update and render) only the visible game objects/nodes on per-frame basis. My question therefore is, how to traverse the scene graph so, that I will focus only on the game notes that are in the camera frustum? How to organize data so that I can easily focus only on the scene graph nodes visible to me? What are techniques to minimize scenegraph traversal time? Is there such way as more effective traversal, or do I have to traverse whole scene graph on per-frame basis?

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• The concept of virtual host and DNS

  - by Subhransu

  I have a dedicated server and a mydomain.com (bought from a hosting company). I want to host a website from my dedicated server with the domain mydomain.com i.e. when I enter mydomain.com from browser it should point to the IP(let's say X.X.X.X) of dedicated server(and a particular folder inside it). I have some following queries: In Server I know I need to edit some of the files (like: host or hostname file) in the server but I do not know what exact file I need to edit. How to add a Site enable or Site available in apache2 ? In Hosting Company control Panel Which records to add (A or cname or anyother)? Where Should I add DNS(in dedicated server section or domain name section)? How it is going to affect the behaviour of the domain? in short the question is: How the virtual host works & how to add DNS?

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• Multithreded UI desktop application issues

  - by igor

  I am involved into development a rich UI project: desktop windows application. Application uses asynchronous invocations and in its turn it should be ready to process external messages (events). The problem is clear: at first time it was built as a simple prototype and it was not stress tested and all was fine. Then application was grown: the number of calls to server and number of events from server are high and performance is low. What is more users noticed that sometimes performance is extremal low. Asynchronous invocations based on thread pool (BeginInvoke, EndInvoke), external events are going from WCF service (.NET 3.5). My goal is synchronization of all tasks and putting priorities to every executions in desktop application. My question is: is there any practice how to reach my goal: patterns, task priority list, others? What should I do at first, second and next times? Thanks

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• How to mount a disk that supports Samba sharing (Using Disk Utility)

  - by Luis Alvarado - The Wolverine

  This might be a tricky question but here is the objective: Manage to mount a disk/partition automatically without (or at least trying to avoid): Editing any Samba configuration file Editing the fstab file and to make it a little bit harder, this needs to be done with the options for "Mount Options" in the Disk Utility: Note that if left as it is, every time a user mounts a partition/disk and then tries to share a folder in it, Windows users can see the share but can not access it, with a permission warning appearing. The point of all of this is to find the most user friendly (Oriented towards a GUI) way of enabling a partition to be mounted, accessed by the local user (Read, Write, Execute) and to also be able to, when needed, share a folder and have no problems reading/writing on it from another Ubuntu/Windows/Mac remote computer (Assuming both are in the same LAN network).

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• Improve email Delivery Rates

  - by JMC

  I have a web server that sends legitimate transactional email in high quantities. A reasonable percentage of users report that they never receive the emails. For every message sent, there's also a blind carbon copy going to an unfiltered email box on a different provider that I review to ensure the server actually sent the emails. All of the emails make it to my bcc box, so the server is sending the emails properly. It seems to be a spam filtering problem at other email providers. The hosting provider for the web server indicates a reverse dns lookup has been set at their level linking the emails ip address properly to my server and domain. Question: Is there anything else I can do to improve the rate that 3rd party service providers are filtering the emails I'm sending? Is there anything I can set on the DNS that I control to show that the server sending the emails is legitimate?

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• SEO optimization for AJAX site and dynamic HTML canvas

  - by Christian Benincasa

  I have a site that uses AJAX to query the Last.fm database and then dynamically draws a graph of the results on an HTML canvas. In the search function, I have a command that sets window.location.hash to the search parameters. I also have a function that checks if a hash was provided in the url and if so, generates the page. For example, http://www.thenlistento.com/#!/led+zeppelin will automatically navigate to a search page for Led Zeppelin. My question is, how do optimize this set up for SEO? Can it be done at all? I've taken a look at Google Webmaster Docs and read over the hashbang protocol, but I'm not totally sure how to apply it to my situation..or even if I can at all. Any help/suggestions would be greatly appreciated. Link to the site: http://www.thenlistento.com

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• Google Places good rank on wrong keyword/category

  - by nctrnl

  I have noticed that several people find my website by searching for a completely unrelated term. This has to do with the fact that I have registered the company on Google Places with the keyword/category "webb-hotell", which in Swedish means web-hosting. If you are Swedish you may suggest using "webbhotell" instead. But the thing is that Google doesn't consider that a category, thus I get no rank at all for that keyword. It seems like I'm getting hits from people searching hotels in my area. If I type "hotel [my location]" I get a really high rank. It's not like I want people to end up on my site if they want a hotel, but it's Google's fault. My question is: What can I do about it? P.S: Can someone create the tag "google-places" for me?

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• SQL SERVER – Free Online Training on .net and SQL

  - by pinaldave

  I around 10 Free Online Training Codes available of .NET and SQL Training from Pluralsight. I am willing to give it to someone who wants learn technology this weekend. You just have to go to my Facebook page and leave a comment explaining in one line – what course will you learn during weekend. I will send all this codes to 10 winners whom I will randomly select using Facebook. Meanwhile do you know how can you generate Zero without using any numbers in T-SQL. My friend Madhivanan has done that and I find it very interesting.Run following T-SQL code – ‘SELECT $’. He has written many other tricks how to generate zero also on his blog. On another note – I have published my answer for question about SELECT * vs SELECT COUNT(*) here. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: About Me, Best Practices, Pinal Dave, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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• When is the best time to do self learning in relation with software management?

  - by shankbond

  It all started from here. I have been following Software Estimation: Demystifying the Black Art (Best Practices (Microsoft)). The third chapter says that in Software Management: You cannot give too much time to software developers, if you give it to them, then it is likely that extra time given to them will be filled by some other tasks (in other words, the developers will eat that time :)) Parkinson's Law You can also not squeeze the time from their schedule because if you do that, it is likely that they will develop poor quality product, poor design and will hurt you in the long run, there will be a panic situation and total chaos in the project, lots of rework etc. My question is related to the first point. If you don't give enough time then will the typical software engineer learn his/her skills? The market is always coming with new technologies, you need to learn them. Even with the existing familiar technologies there are always best practices and dos and don'ts.

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• What is a dedicated Linux box used for?

  - by DanLeaningphp

  So this is probably a very basic and obvious question for most people, but my google-foo is failing me and it just seems something is going over my head. I've heard numerous people refer to having a 'dedicated linux box' as a central part of a developer's setup. I have been doing web-dev programming for about a year and understand the benefits of programming on a Unix/Linux system. But I seem to be missing what role a 'dedicated linux box' plays in the development process. I would assume that it is used as a server of some sort, but I am yet to run across any needs to have a computer dedicated to running a linux server. Am I just being nieve and mistaking the commonality of programmers preferring to work in linux for a tool used by developers? What do most developers use their 'dedicated linux box' for?

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• Software Design for Product Verticals and Service Verticals

  - by Rachel

  In every industry there are two verticals Product Vertical and Service Vertical, so my question is: How does design approach changes while designing Software for Product Vertical as compared to developing Software for Service Vertical ? What are the pros and cons for each case ? Also, in case of Product Vertical, How you go about designing Product or Features and what are steps involved ? Lastly, I was reading How Facebook Ships Code article and it appears that Product Managers have very little influence on how Product is developed and responsibility lies mainly with the Developer for the feature. So is this good practice and why one would go for this approach ? What would be your comment on this kind of approach ?

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• How does Ubuntu One sync two machines with identical file content?

  - by user27449

  I have a notebook and a desktop computer, both running Ubuntu 11.10. I used to sync between the two with the help of Unison, so both computers have identical content in the Documents folder. I decided to try UbuntuOne. My question is, if I activate UbuntuOne for the two machines for the folders with identical contents, will UbuntuOne be able to recognise that, or will it sync to the cloud everything twice (and then down on the other machine). To put it another way, will I end up having two copies of everything on the machines and on the cloud, and therefore should delete the identical files on one of the machines before activating UbuntuOne, or not. Thank you, and if there is already something on the net about this, I'd be glad if somebody posted the link here.

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• Using a subset of GetHashCode() to increase AzureTable performance through partitioning

  - by makerofthings7

  Generally speaking, Azure Table IO performance improves as more partitions are used (with some tradeoffs in continuation tokens and batch updates I won't go into). Since the partition key is always a string I am considering using a "natural" load balancing technique based on a subset of the GetHashCode() of the partition key, and appending this subset to the partition key itself. This will allow all direct PK/RK queries to be computed with little overhead and with ease. Batch updates may just need an intermediate to group similar PKs together prior to submission. Question: Should I use GetHashCode() to compute the partition key? Is a better function available? If I use GetHashCode() does it matter which character I use for my PK? Is there an abstraction for Azure Table and Blob storage that does this for me already?

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• Application to display battery info

  - by Nik

  First of all, I am not sure the title of this question is the most appropriate however this is what I meant to say, There are many ways to extend the life of a laptop battery. One way is by not connecting it to the AC adapter all the time which will overcharge it. I read that in this website. Is there an application which automatically prevents the charging of the battery once it has reached 80% charged? I mean that is such a cool feature. Sometimes people tend to forget to remove the AC adapter and this could diminish the capacity and reduce the life time of the battery. Does the battery indicator in ubuntu display info or pop-up when the battery is almost dead (dead not in the sense of usage time) but rather a degraded battery?

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• Survey: How do you manage the source code for your personal projects?

  - by Linchi Shea

  This seems to be the survey season. Andy’s post on source controlling T-SQL code triggered a question that I always wanted to ask. Do you version control the source code for your various personal projects (i.e. not projects of your customer or employer)? Do you use a computer at home for your source control repository, or do you use a hosting service such as ProjectLocker ? If you do it yourself at home, what version control software you use? If you use a hosting service, what’s your experience?...(read more)

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• Best Practices of Performance Management Plan (PMP)

  - by Robert Story

  Upcoming WebcastTitle: Best Practices of Performance Management Plan (PMP)Date: April 22, 2010Time: 11 AM EST / 8 AM PST / 8.30 PM IST  Product Family: EBS HRMS SummaryThis webcast will cover the best practices of Performance Management Plan(PMP) in very common scenarios. The best practices will address major issues around plan dates, new hire, manager transfer and related events. The session will also cover HRMS Patching Strategy, Key References and various customer communication channels.A short, live demonstration (only if applicable) and question and answer period will be included.Click here to register for this session....... ....... ....... ....... ....... ....... .......The above webcast is a service of the E-Business Suite Communities in My Oracle Support.For more information on other webcasts, please reference the Oracle Advisor Webcast Schedule.Click here to visit the E-Business Communities in My Oracle Support Note that all links require access to My Oracle Support.

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• Ubuntu DNS back to normal

  - by Mohd Shahril

  Yesterday, I change my DNS into google DNS because my ISP has place so many restriction.. So I edit my resolv.conf file and it's look like this.. # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN #nameserver 127.0.1.1 nameserver 8.8.8.8 nameserver 8.8.4.4 But, when I login in my ubuntu, I try to look at my favourite site, but it's show could not connected, so I begins to suspect with my DNS, so I look back, and suprisingly, it's become normal back.. # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver 127.0.1.1 So my question, how to make this file don't revert to using default DNS ? I want google DNS, not my ISP DNS.. I'm using new ubuntu 12.10, in 12.04, this problem doesn't occur..

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• Does Open Source lead to bad coding?

  - by David Conde

  I have a thought that I tried asking at SO, but didnt seem like the appropriate place. I think that source sites like Google Code, GitHub, SourceForge... have played a major role in the history of programming. However, I found that there is another bad thing to these kind of sites and that is you may just "copy" code from almost anyone, not knowing if it is good(tested) source or not. This line of thought has taken me to believe that source code websites tend to lead many developers (most likely unexperienced) to copy/paste massive amounts of code, which I find just wrong. I really dont know how to focus the question well, but basic thought would be: Is this ok? Is Open Source contributing to that or I'm just seeing ghosts... Hope people get interested because I think this is an important theme.

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• When does a game idea cross the line between homage/parody to ripoff?

  - by Daniel T.

  I'm not sure where this question belongs, but as it pertains to the development of a game idea, I figured I'd try to post it here. Recently I've been inspired to create a game based on another game I've played. However, the idea that I have is very similar to the original game. I was wondering, when does a game idea cross from being a homage or parody into the realm of being a ripoff? Are there any hard or fast rules or does this cross into a gray area?

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