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• How to show history of edits for a post like StackExchange? [on hold]

  - by volume one

  Using: ColdFusion 10, JQuery, IIS 7.5 I'm creating a system where people can submit their text articles to me and I can apply edits/corrections and send it back to them. However I don't want to lose their original work. I want them to see where I made edits. StackExchange pretty much does what I want by showing when a post was edited and then you can see the history of changes. Can anyone please suggest how to go about doing this? Everytime an edit is made, it has to be written to the database. But how do I show what was edited? It could be 1 word in a whole paragraph... how would I highlight this? I just need some pointers if possible at what to think about and what to use if anyone has the time to help me out.

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• Ubuntu 12.04 x64 - Very slow response and sluggishness

  - by Murphy1138

  Recently updated to 12.04 x64 on my AMD HEX core 4GB system, over the last few days I feel that the overall system is sluggish/laggy , for instance hitting the dash button, the dash opens but the recent activity of files/videos etc is incredibly slow to populate, like wise in Nautilus and browsing my media, the file names are showing up but it takes an age to populate the "thumb" of the video, If I go into Gnome-shell the shell response is a little faster but again clicking on applications there is still a noticeable pause. I have the latest Nvidia Drivers loaded and I have very fast SATA drives, if I reboot into windows 7 the system is so much quicker in its response, I only use windows for games and Ubuntu is my main OS. 10.04/10.10/11.04 was Super quick and this was when the system still had a Duel Core Chip and a worse Nvidia card, 11.10 was pretty snappy, but 12.04 just feels bloated on each system I have installed it on. My hardware is more than up to the task so has anyone got any commands i can run to help diagnose the issue? Anyone else got the same problems? Thanks Murph

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• C++ game programming

  - by UnTraDe

  Until now I have been using C# with XNA for 2d and a little bit of 3d games, althought I dont remember that I finished any of them I want to start working with C++. I have a very very little exprience with C++ and my question is where to start? I plated a little bit with SFML and I encountered some problems with performance when I started to build a tile based game. I'm pretty sure that the problem is my code and not the library itself. Is there anything similiar to XNA for C++? I should keep try and work with SFML? Sorry for my bad english! Thanks in advance!

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• Limiting what resumes computer from suspend

  - by user1399195

  I'm having a ton of trouble getting Suspend to work with my laptop. I want to start using Ubuntu but this is a pretty important aspect since I take my laptop with me everywhere. Anyways, I wanted to narrow down the possible problem with my laptop. What happens is that when I suspend my computer, within seconds, it just boots back up. I have changed /proc/acpi/wakeup to where everything is disabled but that did nothing. Is there a way where I can disable every feature from waking up the laptop except the power button?

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• Why can't my Wifi cannot connect or disconnect?

  - by tmy1018

  Wifi connection might drop spontaneously or simply cannot connect. Users on Ubuntu 10.04 and 11.04 have reported experiencing the problem. Running dmesg would show: [210749.637705] wlan0: deauthenticating from 00:23:89:48:3b:b0 by local choice (reason=3) [210778.632244] wlan0: deauthenticating from 00:23:89:48:3b:b0 by local choice (reason=3) [210784.456359] wlan0: deauthenticating from 00:23:89:82:75:70 by local choice (reason=3) which is pretty cryptic. I have tried: kill -9 wpa_supplicant, but wpa_supplicant keeps getting restarted each time. Also, some have suggested that this was caused by enabling power management. However, this might not be true, as the problem has presented itself in a situation where power management was disabled.

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• A tale of two viewports &#8212; part one

  Back in November I started complicated research into measuring the widths and heights of variousinteresting elements in mobile browsers. This research kept me occupied for months and months; and frankly I becamea bit afraid of it because the subject is so complicated.Besides, when I re-did some tests in MarchI pretty quickly figured out I’d made some nasty mistakes in my original tests. Back to thedrawing board.However, after a review round by some browser vendors and some rewriting it’s done now.Today...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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• I have installed Ubuntu 12.04, now my Windows Vista doesn't boot

  - by andraz

  I have a Windows Vista computer. And I've installed Ubuntu 12.04 on it. But now, when I boot my device it doesn't ask me which OS I want to choose, instead it just boots in Ubuntu. Please help me! I don't know what to do... :/ P.S.: I've created a partition with the Ubuntu installer. My hard disk drive is 250 gb (there around) and the partition is 30gb big... P.S.S.: It's very important because is my mom's computer and there are some very important files on it... :(

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• Dual boot (Win 7 & Ubuntu 13.10 clock problem

  - by peter

  I'm a "newbie" to Ubuntu, but I've been wrestling with this problem for several hours and don't seem to be able to solve it: When I set the time in Windows (Indianapolis, Eastern U.S. time zone) and then re-boot to Ubuntu, the computer time goes to Hawaiian time. When the time is set in Ubuntu, and the computer is rebooted to Windows the time is advanced by 5 hours. I've set the time in the BIOS, and it seems to make no difference. I've tried setting the time from "automatic" to "manual", all with the same result. Not a big problem, but it shows some underlying glitch. Could anyone explain?

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• Database Insider - November 2012 issue

  - by Javier Puerta

  The November issue of the Database Insider newsletter is now available. (Full newsletter here) Mark Hurd: Oracle Database Wrap-up from Oracle OpenWorld 2012 Oracle executives kicked off Oracle OpenWorld 2012, discussing the needs of customers, the brand-new Oracle Exadata Database Machine X3, and the latest Oracle Database innovations. (Read More) Webcast: Introduction to Oracle Exadata Database Machine X3 Oracle’s next-generation database machine, Oracle Exadata X3, combines massive memory and low-cost disks to deliver the highest performance at the lowest cost. Available in an eight-rack configuration, it allows you to start small and grow. Webcast: SAP Applications Run Better on Oracle Exadata Find out why a growing number of SAP application customers are turning to Oracle Exadata Database Machine for better performance, better productivity—and big savings. 

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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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• Where to find GUI code

  - by muffinz

  I've been rummaging through Unity's source code (Shell Interface) and I was a little curious about something; where in the code are you supposed to find positional code? I'll clarify a bit with some examples. How do you find in the code what tells the Launcher to sit on the left side of the screen? Where in the code does it tell the "Session" button on the panel (top) to sit at the very right of the screen? I guess my real question is how do I find this out for myself? I've looked through a big portion of the source code and can't find anything related to the actual position of these items, only their sub-items like text-align. Any guidance on this would be much appreciated.

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• Ubuntu not picking up wireless networks [Ubuntu 12.10]

  - by user114772

  i am new to Ubuntu & just installed it on my DELL mini laptop, when i open the network tab it does not show the wireless networks around me, neither does it show mine, i have enabled networking but it still does not pick up any wireless. I am pretty sure my wireless network is not hidden, since i can connect to it on my other laptop, anyone have any idead on what i could be? It worked once when i was running Ubuntu on my USB, but when i installed it to the hard drive as a main OS it did not list any wireless networks.

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• Can you run OpenGL 2.0 on modern machines?

  - by thePalindrome

  I'm looking to get into 3d with OpenGL, using SDL to help with other stuff. I found plenty of good tutorials (lazyfoo is a big one), but "Learning Modern 3d Graphics Programming" uses a newer version of openGL that I'm not able to run! I opened up OpenGL extensions viewer, and I can only run OpenGL 2.0, whereas most tutorials are in higher versions. I ask this because I've heard that just about everything in 2.* got depreciated in the newer versions, so I'm worried that my code might not work. I'm looking at a few other tutorials, but I'm so used to SDL that those just confuse me... So should I bother trying to do graphics programming now, or should I just wait until I can upgrade my computer?

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• Touchpad stop working

  - by Diegov

  I'm in a HP 430 PC-Notebook using Oneiric. And sometimes my touchpad just stop working :(... I haven't installed anything, just safe playing with terminal following linuxcommand.org BTW my touchpad has a "hole" that in Windows, it works like this: two touch, block touchpad, two touch, unblock. And as far as I now, Ubuntu hasn't recognize this function so I think that the "hole" is not the problem... Also, I'm pretty sure that I haven't touch a little that... PD: Spanish speaker, sorry if "hole" is not the appropriate term haha.. Thanks!

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• Lyrics on mp3 ID-tag

  - by puchrojo

  Since a few years ago I stopped listening to CDs and began to listen to mp3 only. At the begining I continued to buy the CDs to support the artist, but later I started to buy the album direct online as mp3. The problem is, that by this, I don't have the lyrics for the songs. For the "commercial" or popular music it is not a big problem, but for others there are no lyrics on the Internet. How can I make use of the ID3-tag for the lyrics? Is there a music store that adds lyrics to the mp3 files sold? Can this be done with Ubuntu One? Another alternative would be to have an Internet lyrics databases like musixmatch.com supported.

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• why was tannenbaum wrong?

  - by Robz

  I was recently assigned reading from the Tannenbaum-Torvalds debates in my OS class. In the debates, Tannenbaum makes several predictions: Microkernels are the future x86 will die out and RISC architectures will dominate the market (5 years from then) everyone will be running a free GNU OS I was a 1 year old when the debates happened, so I lack historical intuition. Why have these not panned out? It seems to me that from Tannenbaum's perspective, they're pretty reasonable predictions of the future. What happened so that they didn't come to pass?

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• Need Advice: What to program?

  - by newbie

  Good day! Our professor asked us to create a Web-based program using JSP and JDBC. The problem is I don't have any idea what to program. We have 5 days to create the program and I am searching websites like hotel reservation system, library catalogue system, Amazon, etc but I think it is too big for 5 days (and I am just a beginner). Can anyone give me an idea what is suitable project for beginners to start with? (Note: Address Books / ATM Transactions are not allowed). Do you have sample website so I have a reference? Thank you.

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• Unplugged Chat with Me this Thursday

  This Thursday (May 13th) Im going to be doing another online LIDNUG chat session.  The chat will be from 10:00am to 11:30am Pacific Time. You can learn more about it here and join the chat at the appropriate time with this link. I do these chats a few times a year and they tend to be pretty fun.  Attendees can listen to me talk live via LiveMeeting, and can submit any questions they want to me.  I then answer as many of them as I can in the 90 minutes.  Well probably...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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• Version Not Final, Does not represent actual game footage?

  - by thinly veiled question mark

  Just curious about this. Frequently, a lot of gameplay videos from big studios have small subtitled text at the lower part of the screen, reading something like: Pre-Alpha Gameplay -- Footage not Final Game Footage not Final Pre-Alpha, Game here is not final Is there some sort of reason they do this? Is there some sort of legal ramification that they need to go through by adding this? I have especially seen some gameplay vids whose titles are "Alpha x.x.x", yet still, in the video itself, it always something like "footage not final, game may change".

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• Working in America from the UK

  - by thedixon

  I've been toying with the idea for the last few years and I figured it was about time to start asking questions about it! Here goes: I'm a Senior-level .NET/C# programmer from the UK, with 7 years of commercial experience in industry and looking to work over across the pond in the big ol' USA! This is with a view to live there on a permanent basis. My idea is to try and set up some interviews and go over there for a week to attend them, then I guess wait for responses in hopes they'd sponsor me for a working VISA. I'd like to know is there anyone out there with any experience of doing the same thing? Was it difficult finding work? Is there anything I should know before embarking on this route? How long did the transition take? Update: Considering the down votes, either I've posted this in the wrong place, or people really don't like my query. If so, please shed some light.

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• Ubuntu 12.10, mouse double click by itself

  - by Ribi

  I updated ubuntu 11.10 some time ago and I had a problem with my mouse. When I click somewhere it would double click by itself. It was pretty anoying as I would start 2x my application almost each time. Then, some update came and the mouse was better. But now, I updated to 12.10 and it does the same thing again. I'm using an Logitech MX Revolution. I don't know what I can do to resolve this problem? Thanks

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• Is it possible to put software in a queue to be installed later?

  - by Gourik Goswami

  Sometime I find some software that is interesting and want to install it. At office I use pocket WiFi so I do not want to download big files. I want some how to tag these files so I can install them later when I am at home at connected with wifi network (More faster network). So is there any way that these software installation can be put in a queue, so that when I am at home it can start right away. Is there any way to do this?

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• Consuming OData based Rest service in C# [en-US]

  - by ruimachado

  Nowadays comunication between applications is an active topic with daily usage and a large amount of pratical appliances. While developing an app in witch I had to consume an OData I found out that combining Linq with my code made this operation pretty easy.The algorithm to consume OData starts with adding a service reference to Visual Studio:After adding the service reference in wich you define the uri to the service, we start building our code.In your code the algorithm is the following:Define the Uri to your OData ServiceDefine the context of your odata, wich contains all entities exposed by the service.Query the context using LinqPrint the resultEasy and simple.Example code:01public static void Main(string[] args){02 03        Uri serviceUri= newUri("http://example.host.odataservice.net/service.svc", UriKind.Absolute);04        ODataService.ServiceEntities context = newODataService.ServiceEntities (serviceUri);05 06        context.Credentials = newSystem.Net.NetworkCredential(Username,Password);07 08         var query = from ServiceObject in context.YourEntity09                     select ServiceObject ;10 11        foreach (var myObject in query)12        {13            Console.WriteLine("\n Field1: {0} | Field2: {1}",14            myObject .Field1, myObject .Field2);15 16        }17}That’s it.Thank you,Rui Machadorpmachado.wordpress.com

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• Want to learn a new language. Not sure which to pick.

  - by Regravity

  I've been coding in Batch, VBS and AutoIt for AGES, and while its been great and I've made some pretty complex desktop applications in AutoIt, I'd like to advance to something that is more flexible / powerful. I've found that I really love programming desktop applications to solve a wide variety of problems which is what I've been doing with AutoIt. I've done a lot of research on different languages, but I'm torn between a few, namely C++, C# and Python. Can anyone suggest which language I should tackle next? And reasons why I should?

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• appearance incomplete

  - by user288986

  I'm using 14:04 which is pretty nice. Something wionders me: if I open a window (e.g. Ubuntu Software Centre) I can see SOME items (sometimes nothing) but by hovering the mouse over it it appears - and then disappears again. Sometimes the side mover acts the same way... Maybe it has to do with my hardware: P4, 3 GHz, 2 GB RAM, older graphics board, KVM-switch? There's no difference whether I use Gnome, Ubuntu standard, Ubuntu classic, Ubuntu fallback... Thanks for hints Jens

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