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• Can I recreate main user account and delete old?

  - by nazar_art

  Something happen with performance of super user account. When I tried to load home folder it has really looooong booting duration. If compare to earlier time. And I couldn't figure out why this happen and what is wrong. It has been started after I copied a lot of contents from external usb disk. But if I go through other user account all work perfect, without this trouble, fast and cool. I want to create new user account copy all necessary content to this account and delete old account. Can I recreate main user account and delete old??

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• How do I connect the seams between my terrain?

  - by gnomgrol

  I'm using c++ and D3D11 and I'm trying to create a (pretty) large terrain, lets say 4096x4096, maybe larger. I've got the basics of terrain creation and already split it up into chunks. But, when I'm rendering them (every chunk has its own vertex and index buffer, as well as its own heightmap), there are still little pieces missing between them. I read a lot about LOD(Level Of Detail) and GMM(Geometry Mipmap), but I can't really implement the theory I read. At the moment, it looks like this: I could really use some help, everything is welcome. If you have some good tutorials on any of this, please share them.

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• PowerShell script to find files that are consuming the most disk space

  As you know, SQL Server databases and backup files can take up a lot of disk space. When disk is running low and you need to troubleshoot disk space issues, the first thing to do is to find large files that are consuming disk space. In this article I will show you a PowerShell script that you can use to find large files on your disks. 12 essential tools for database professionalsThe SQL Developer Bundle contains 12 tools designed with the SQL Server developer and DBA in mind. Try it now.

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• Keyboard Issues After Resuming From Sleep

  - by sammyd253

  I'm using Ubuntu 11.10 x64. It's running on my Dell Vostro V13. Everything works great until I shut the lid of my laptop (puts laptop into sleep). Once I come back and resume working in Ubuntu, typing becomes a chore. Ubuntu misses a lot of the keypresses from my keyboard. It usually results in me mashing my keyboard until the letter appears. A full system reboot fixes the problem. Again, typing is never an issue unless I resume from sleep. Any ideas?

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• Business Analyst vs. Architect [closed]

  - by suslik

  I'm a developer of a few years in the financial industry and will soon need to decide what career path to try and row towards. Broadly speaking I have two options: something more 'people' oriented like BAs, or keep coding and try to make more technical decisions like the Architects do where I currently work. Here are my perceptions right now: Business Analysts: get paid way more than devs once they do their job, it seems like they usually have no worries more likely to go REALLY high up in the organization (VPs, etc) Architects: things like certification matters (I see this as a con) called in when things go wrong more than anyone else (weekends & overtime) long career path to get to (dev - senior dev - team lead - architect) I would find the latter more intellectually rewarding, but when I look at it I just can't justify it in terms of lifestyle. Am I wrong / what am I missing? Can you really make a lot of money in a technical role or must you really get out of coding? Thank you for any constructive input.

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• Working on the search

  The one thing I've always like working on and about this site, is the full text search engine and spider. Bascially it goes out and spiders all the major development blogs on the web, and then indexes them. The engine uses Lucene for it's index. Lucene is another open source project and it works really fast. Currently the directory is indexed, and the rss feeds are underway. We're talking about a lot of content, but once it's done you'll be able to pull podcasts, and videos as they get posted to...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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• Switching Workspace in Xubuntu Oneiric is slow, how to improve it?

  - by photoao

  The processor is a single core AMD Sempron 1.6 GHz. While it is a few years old, workspace switching under Ubuntu Lucid / Gnome to ANY workspace was always instant, even when a lot of apps were open. Under Xubuntu Oneiric, switching to an empty workspace is instant, but switching to a workspace with 5 open applications takes 8 to 9 seconds. Compiz is not installed. Since XFCE is said to be more light weight than Gnome, switching should be instant too, isn't it ? How can this be improved ?

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• Problem with loading webpage in firefox

  - by user107735

  I'm using ubuntu 12.04 and I always keep my pc up to date. For last 4 or 5 weeks, I noticed in firefox, the page displays enough data but spinner in the tab doesn't stop. Not only that, Some page load very quickly and wheel still speaning. Some are very very slow and wheel is as always speaning. Some websites (ex. google analytics) takes more than 5 minutes to load. Some websites load but slider doesnt load and wheel is speaning (ex. blenderdesh.com) I'm facing lot of problems for this. Please help me.....

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• How to design 2D collision callback methods?

  - by Ahmed Fakhry

  In a 2D game where you have a lot of possible combination of collision between objects, such as: object A vs object B = object B vs A; object A vs object C = object C vs A; object A vs object D = object D vs A; and so on ... Do we need to create callback methods for all single type of collision? and do we need to create the same method twice? Like, say a bullet hits a wall, now I need a method to penetrate the wall for the wall, and a method to destroy the bullet for the bullet!! At the same time, a bullet can hit many objects in the game, and hence, more different callback methods!!! Is there a design pattern for that?

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• Wait for Unity 4.3? [on hold]

  - by RoarG

  We are currently in a pre-production of developing a 2d game in Unity but with the arrival of Unity 4.3 around the corner we were contemplating waiting for the release 4.3 instead of starting on 4.2, mainly since 4.3 got native 2d support. Is this something to be worried about, or do we need to start over to take use of the advantages that 4.3 brings, or does it matter at all? What benefits does one get in Unity 4.3, considering developing a 2d game? and is it a lot of tweaking to rework if we start the project before 4.3 release?

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• Which one of the Google Analytics stats should be my top priority to improve SEO: visits, pageviews, bounce rate, new visitors, or visit duration

  - by HOY

  My site is getting a lot of traffic from an image (a company logo image) because this image is ranked 1st in Google search results for a company's title. (I have no idea how that happened.) This image is must for my website, but it is not relevant to the site content, so irrelevant people search for the image and find out about my site. I get interesting statistics: Pros: Total Visits & Avg. New Visits Cons: Avg. Page/Visit, Avg. Visit Duration, Bounce Rate I am confused if this image is helpful to my website. I don't know what the balance between those 5 statistics should be. My website is 2 months old, and we are working on SEO at the moment. Edit: here are the details about the image: Search Keyword: arcelik logo Search Site: google.com.tr Search URL

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• Mulitple processes aware of each other

  - by Abhan

  Hope you can help me with this, I've searched a lot and I got really confused of what to do here. I'm building a program in C and I need to run it multiple time as I need. So it's going to be like below, process 1 handle all rows on DB table test where process_flag=1 process 2 handle all rows on DB table test where process_flag=2 process 3 handle all rows on DB table test where process_flag=3 and so on How can I make the processes aware of each other, so if process 3 goes down then processes 2 & 3 start working on process_flag=3?

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• Resolving equivalence relations

  - by Luca Cerone

  I am writing a function to label the connected component in an image (I know there are several libraries outside, I just wanted to play with the algorithm). To do this I label the connected regions with different labels and create an equivalence table that contain information on the labels belonging to the same connected component. As an example if my equivalence table (vector of vector) looks something like: 1: 1,3 2: 2,3 3: 1,2,3 4: 4 It means that in the image there are 2 different regions, one made of elements that are labelled 1,2,3 and an other made of elements labelled 4. What is an easy and efficient way to resolve the equivalences and end up with something that looks like: 1: 1,2,3 2: 4 that I can use to "merge" the different connected regions belonging to the same connected component? Thanks a lot for the help!

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• Is backing up a MySQL database in GIT a good idea?

  - by wobbily_col

  I am trying to improve the backup situation for my application. I have a Django application and MySQL database. I read an article suggesting backing up the database in Git. On the one hand I like it, as it will keep a copy of the data and the code in synch. But GIT is a designed for code, not for data. As such it will be doing a lot of extra work diffing the mysql dump every commit, which is not really necessary. If I compress the file before storing it, will git diff the files? (The dump file is currently 100MB uncompressed, 5.7Mb when bzipped). Edit: the code and database schema definitions are already in GIT, it is really the data I am concerned about backing up now.

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• What are the pros and cons of Coffeescript?

  - by Philip

  Of course one big pro is the amount of syntactic sugar leading to shorter code in a lot of cases. On http://jashkenas.github.com/coffee-script/ there are impressive examples. On the other hand I have doubts that these examples represent code of complex real world applications. In my code for instance I never add functions to bare objects but rather to their prototypes. Moreover the prototype feature is hidden from the user, suggesting classical OOP rather than idiomatic Javascript. The array comprehension example would look in my code probably like this: cubes = $.map(list, math.cube); // which is 8 characters less using jQuery...

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• Trouble with FGLRX in quantal x86_64

  - by Dii Leoo

  it's the third time i have to reinstall quantal because the fglrx is making me sick. I have an ATI Mobility Radeon HD 4250 (the code ir RS880).When i install Ati Driver, i don't have any problems, but when i reboot, the resolution is minimal and the launcher isn't visible, i can only use the things that are in desktop and use the terminal using CTRL+ALT+T. i've tried to make specific distribution page, downloading the legacy driver from AMD, and another thing: when i had 12.04 jockey told me that i could install some drivers, i had trouble, but that doesn't matter. now, the option to install drivers doesn't tell me about any drivers, i mean, its blank. At the moment i'm using the free drivers (Gallium 0.4 on AMD RS880M. is there any alternative ? or i'll have to live with the free drivers ? Thanks a lot ! I KNOW I HAVE TO INSTALL LEGACY DRIVERS, I'VE INSTALLED THEM, THEY DON'T WORK.

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• Poll: How long will you wait before using Solaris 11 on production systems?

  - by nospam(at)example.com (Joerg Moellenkamp)

  When Sun released Solaris 10, it was my first migration phase to a new Solaris major release while being part of Sun. At that time i heard a lot of comments between "Oh, we will install it on new systems on day 1" to "oh ... not that fast ... we will wait ... we are not that fast ... we will do it in a year". I would like to get some additional insight and so i set up the poll plugin for s9y to get the answer to the question "How long will you wait before using Solaris 11 on production system?". Thank you for your participation!

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• Where is a good place to learn how to develop games?

  - by pringlesinn

  I'm brazilian and I want to learn how to develop a game in some college or something like that, but I don't know any place here to learn it. Here is not that good either to develop games, as we don't have many companies to do that. So, I was thinking about working in some place else, while I study it. What I really want to know is, a good place to learn, and a country that developers are well payed to be able to pay my course and still have money to do something else. I'm a Java programmer, still learning a lot, but I want to do it later. A few years from now.

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• How can I redirect any kind of access to my site to somewhere else, except for me?

  - by Omega

  My site, www.example.com has a MyBB forum installation, and has many users constantly checking it out. I would like to make a major change to it - basically, I want to delete everything it has and start clean. However, this rebuilding process may take me hours since I need to do a lot of things. Thus, whenever an user tries to enter any part of my site (www.example.com, www.example.com/blog etc), the user will always be redirected to www.example.com/underconstruction so they can see a nice HTML site explaining the current situation. But not only that - while I am configuring my site, I need to visit it myself to make sure things do work live. So basically, it has to redirect everyone who isn't me. Is that possible in any way? I am using GoDaddy hosting.

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• How can I optimize my development machine's files and directories? [closed]

  - by LuxuryMode

  Like any programmer, I've got a lot of stuff on my machine. Some of that stuff is projects of my own, some are projects I'm working on for my employer, others are open-source tools and projects, etc. Currently, I have my files organized as follows: /Code --/development (things I'm sort of hacking on plus maybe libraries used in other projects) --/scala (organized by language...why? I don't know!) --/android --/ruby --/employer_name -- /mobile --/android --/ios --/open-source (basically my forks that I'm pushing commits back upstream from) --/some-awesome-oss-project --/another-awesome-one --/tools random IDE settings sprinkled in here plus some other apps As you can see, things are kind of a mess here. How can I keep things organized in some sort of coherent fashion?

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• Implement an FTP server (no threads) - how to start?

  - by ironicaldiction

  As a semester project, I have the following specification: Write a simple single threaded ftp server. The ftp server is configurable from a configuration file. The config allows to set the interface (where the server listens), the roots of the served content, transfer log, and database of users and its passwords. The server allows to create a virtual filesystem. By a virtual filesystem, we mean a mapping of a served directory to the real directory on the filesystem. For example, the client tree will look like: /home/user1 maps to /mnt/x/home/user1 /www maps to /var/cache/www /home/user_list.txt maps to /var/ftpclient/user_list.txt The user will see /home/user1 directory and /www directory and the file /home/user_list.txt The course is in C++. The projects to this point have provided a lot of structure, such as a class header file to get you started on the program. My question is this: how can I get started on what seems like quite a massive project (I have 3 weeks to return a working implementation)?

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• Massive vehicular network simulator

  - by IvanK

  I am interested in making a vehicular network simulator (vehicular network as in vehicles can be equipped with radios and when they come in range they can talk with each other). I want to be able to scale to 1000s of nodes if not more. I am quite frankly torn on how to do, or even which language to use or whether I should instead be using some other piece of software/code. I know that this should depend on a lot of design decisions that I may have, but it would be great if somebody can point me towards the right direction. I was planning to use a multi-threaded architecture, but not sure whether it will add to the complication or make it easier. Also if I go for a multi-threaded architecutre, do you think that 'Go' language will be a good choice?

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• Progressing past CRUD applications in PHP?

  - by Anonymous -

  I've been programming in PHP for about a year and am at the following stage: Have a good 'feel' for the language Can create CRUD applications competently Can utilize an MVC structure to allow for future expansion of code Using the points listed above, I've created a number of my own applications for practise - including but not limited to; a forum, social network etc. My question may be a little vague but should hopefully be answerable. I feel as though there isn't anything else I would need to know about PHP to allow me to create websites, though I'm sure I'm wrong. What advanced/complex PHP topics could I look at that have a real-world use and will allow me to enhance both my skill as a programmer and applications in general? Recently I've looked a lot more at javascript/jQuery allowing me to give my applications a richer user interface which has been a great learning experience and proving very useful.

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• Hello Again, San Francisco

  - by Geertjan

  From the moment I got to the airport in Amsterdam, I've been bumping into JavaOne pilgrims today. Finally got to my hotel, after a pretty good flight (and KLM provides great meals, which helps a lot), and a rather long wait at customs (serves me right for getting seat 66C in a plane with 68 rows). And, best of all, on Twitter I've been seeing a few remarks around the Duke's Choice Awards for this year. The references all point to the September - October issue of the Java Magazine, where page 24 shows the following: So, from page 24 onwards, you can read all about the above applications. What's especially cool is that three of the above are applications created on top of the NetBeans Platform! That's AgroSense (farm management software), MICE (NATO system for defense and battle-space operations), and Level One Registration Tool (UN Refugee Agency sofware for managing refugees). Congratulations to all the winners, looking forward to learning more about them all during the coming days here at the conference.

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• Just wondering about "Do-It Yourself Apps" on the internet versus apps written by us developers

  - by user657514

  Hi, I have been doing Objective-C programming over the past few weeks, and I have learnt a lot. However, I see that there are other Web-companies offering services to consumers directly from their website that allow consumers to create their apps through a point and click and drag features without any code. Clearly they are more cost effective and fast than having a developer write an app. I was wondering if there are any advantages then of having a developer build an app for someone, other than the obvious advantage that its got a custom look and feel. Could someone please clarify, since Im new and would like to evaluate whether it is worthwhile spending time towards learning a whole new development environment when someone could just use a webservice to make an app for multiple platforms Thanks

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