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• Implementing lighting similar as in CubeWorld

  - by Phito

  I am currently writing a voxel engine and my goal is to achieve something looking like CubeWorld. The problem that I am encountering is about lighting. I don't have a lot of knowledge in OpenGL but I don't think lighting in a game like that should be done with glLight. But beside that I have no idea of how to implement it. Here's what I have for the moment (with glLight): Do you have any ideas/link that could give me an idea of how to achieve that? Thanks

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• Description of the ASP.NET update for the .NET Framework 3.5 Service Pack 1 and the .NET Framework 2

  976765 ... Description of the ASP.NET update for the .NET Framework 3.5 Service Pack 1 and the .NET Framework 2.0 Service Pack 2 on Windows XP and on Windows Server 2003: June 8, 2010This RSS feed provided by kbAlerz.com.Visit kbAlertz.com to subscribe. It's 100% free and you'll be able to recieve e-mail or RSS updates for the technologies you pick from the Microsoft Knowledge Base....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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• Back in Atlanta! Wed, Feb 9 2011

  - by KKline

  I always enjoy spending time with my friends from Atlanta, as well as meeting folks and making new friends. If you live in the Atlanta area, I hope you'll join me on the evening of Wednesday, February 9th, 2011. Details are at the Atlanta SQL Server user group website . It's common knowledge that I have a terrible memory for many things. However, one of the few things that my memory is usually really good at is remember names & faces (and remembering stories, but that is another story as well)....(read more)

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• SETUP for sending Mail via postfix to GMAIL

  - by Sib Andela

  My knowledge of mail delivery systems is near ZERO I have stand alone PC running UBUNTU 12.04 (no other OP systems) I am developing a web system with PHP and want to send an email to users that have registered. I have installed POSTFIX and set it up to work with GMAIL (I hope correctly) My little test program appears to send the email but it does not arrive at destination. Is there some special code for SMTP or something else needed to install? Please can you give me step by step instructions of what must be installed. Simple explanations will be appreciated so I know why and for what I am doing these things. This is my test program which shows OK Thanks

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• Is it possible to give an animated GIF a transparent background?

  - by Phil

  I'm making a Fire Emblem-esque game. There are very cute 2D frames I made for each character, and, like a game like Fire Emblem, I want these characters to animate constantly. To circumvent the graphics programming involved I came up with a novel idea! I would make each character an animated gif, and only in special conditions ever halt their constant movement - in that case just change what image is being displayed. Simple enough. But I have a dilemma - I want the background of my .gifs to be transparent (so that the "grass" behind each character naturally shows, as per the screenshot - which has them as still images with transparent backgrounds). I know how to make a background transparent in numerous tools (GIMP, Photoshop). But it seems every .gif creator replaces the transparent background with something and I can't edit it back to transparent. Is it possible to have a .gif with a transparent "background"? Perhaps my knowledge of file formats is limiting me here.

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• Monitor Display issue

  - by dsiddens

  When booting I will have to boot maybe 3 or 4 times to get a screen that is not displayed diagonally or is not using the full screen width. Hardware specification: HP s7727c with AMD64 and NVIDIA chipsets and Insignia 22" monitor/TV. The Ubuntu version is 9.10 Karmic. I'd like to stay current with Ubuntu on this machine, but have gone down to 9.10 to get this described functioning. I tried higher versions and could not get past the "black screen" I think this issue is connected to the NVIDIA chipset/driver problem. I am a GUI user and I don't follow the other solutions posted which make use of the command line. I suppose if the command line solution could be given without making any assumptions of the receiving person's knowledge base, then even I and others like me, could implement it. Thank you for your time and assistance. Doug

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• A Change of Seasons...

  - by James Michael Hare

  As some of you already know, today is my last day at Scottrade. It has been a great place to work and I'll miss all the relationships I've formed over the last 5 years immensely! Starting Monday, I will be taking a new position at Amazon.com in Seattle. It should be an exciting new adventure and I look forward to sharing more about my experiences in the days to come! I do intend to continue blogging (after the move settles down) about C# as I'm able, and may mix in some Java as well as I rekindle (Amazon? Kindle? Get it? Okay, that was lame, I know...) my knowledge of the language for my new job responsibilities. I'll miss all the relationships I've developed with the .NET community in St. Louis and the surrounding area, and hope to come back sometime to participate in future Days of .NET conferences, if able! Stay tuned for more updates!

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• How is Basic Physics applied in CS/SE?

  - by Wulf

  What basic physics principles do software engineers and/or computer scientists use to help solve specific or common problems? The first one that came to my head was creating a Physics engine for a game; physics is involved, as it requires knowledge of: Forces and Motion: Kinematics, Dynamics, Circular Motion However, I need another example, but haven't come across one that involves basic physics. Please consider the following basic physics (grade 12 level) concepts: Energy and Momentum: Work and Energy, Momentum and Collisions, Gravitational and Celestial Mechanics Electric, Gravitational & Magnetic Field: Electric Charges and Electric Field, Magnetic Fields and Electomagnetism The Wave Nature of Light: Waves and Light, Wave Effects of Light Matter-Energy Interface: Einstein’s Special Theory of Relativity, Waves, Photons and Matter, Radioactivity and Elementary Particles I will be happy with any response; Keywords for google, names of methods like raycasting, etc.

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• Why did the team at LMAX use Java and design the architecture to avoid GC at all cost?

  - by kadaj

  Why did the team at LMAX design the LMAX Disruptor in Java but all their design points to minimizing GC use? If one does not want to have GC run then why use a garbage collected language? Their optimizations, the level of hardware knowledge and the thought they put are just awesome but why Java? I'm not against Java or anything, but why a GC language? Why not use something like D or any other language without GC but allows efficient code? Is it that the team is most familiar with Java or does Java possess some unique advantage that I am not seeing? Say they develop it using D with manual memory management, what would be the difference? They would have to think low level (which they already are), but they can squeeze the best performance out of the system as it's native.

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• How to remove unused usings from class file ?

  - by Samir R. Bhogayta

  When we create a .cs file means code file class is automatically create. That .cs file means class has default usings for namespace. using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls; We don't use all namespaces  in that class so we have to remove unused namespaces from file. We can remove  namespace manually but it takes time and need full knowledge of class library so we can use Visual Studio . Step 1:  Right Click in .cs File. Step 2:  Move on Organize usings. Step 3: Click on Remove Unused Usings. After that we have only those namespaces in the file these are using.  

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• How do I start a personal programming project?

  - by Pureferret

  I've just started a programming job where I'm applying my 'How to code' knowledge to what I'm being taught of 'How to Program' (They are different!). As well of this I'm taught how to capture requirements from clients, so as to start a new project. How do I do this for a nebulous personal project? I say nebulous, as I often find halfway through programming something, I want to expand what my program will do, or alter the result. Eventually I'm tangled in code, and have to restart. This can be frustrating and off putting. Conversely when given a fixed task, and fixed requirements, it's much easier to programme from a - b. So how do I plan a personal programming project?

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• Whats the best way of learning how to Develop Java Games

  - by Shaun

  As the Title says, the question is Whats the best way of learning how to Develop Java Games? Indeed there's over thousands of tutorials explaining and teaching you the basic's of Java and how It works but they are usually and majority of the tutorial's teaching you Java basic's are boring and don't push you as you could do. Basically, is there any tutorials out there that push you so and give you problems you have to solve and push your knowledge so you get a much better understanding of creating java games. This seems a ideal question for new people learning Java and hopefully should help newbie's learning Java. (Sorry if this sounds noobish).

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• take my Java skills to the next level

  - by waingram

  I am well versed in the basics of Java programming, although through most of my career I have been maintaining, upgrading, and debugging someone else's Java code. I am mainly familiar with basic servlet applications. I have a strong beginner knowledge of Maven and Ant. I have more web development with Ruby on Rails, but would like to bring my Java skills up to par with regard to web development. It seems the world of Java is so big, I have no idea what the next logical step is for me. Spring? JAX-RB? EJBs? What is the next logical step for someone like me and how would you recommend I approach it?

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• Starting android Development

  - by Tamim Ad Dari

  I am considering learning android development. I have some basic knowledge in C++. I downloaded the ADT plugin and eclipse. Now while starting from http://developers.android.com I see the codes were in XML. So I googled for learning XML. The best site I found was http://www.w3schools.org but there I found that for learning XML I have to learn HTML and CSS. So I learned the basics of HTML and CSS. But, Now I find in that learning java is a must. So can someone give idea about the sequental languages that I should study now? Should I learn php,mysql too. BTW, I have a dream to work in google :p

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• Is someone aware of any multi threaded unrar program?

  - by rsz

  I was searching in the past (past few weeks) for a program/software which is multithreaded and it is able to extract rarparts using multi threading. What software's i've already tried? unrar, unrar-nonfree, rar, 7zip It seemed to me that none of them is multi threaded and therefore they are all slow. The solution would be needed in cli format so if not necessary the no gui. Is someone aware of something like this? I asked on other irc's for suggestions and they told me, that the best is to write one myself. I may be agree with them, but i don't have these type of knowledge to achieve this task.

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• Is there other ways to do insert/update/delete on a remote oracle database?

  - by gunbuster363

  I asked a question recently concerning the speed of execution of insert/update/delete using JDBC driver in a remote machine, but the problem cannot be solved easily. I would like to ask, is there any other way to execute the insert/update/delete to the oracle? The current situation is this: the DB is on a seperate machine than the java program used to update the DB. I looked up the internet and found people suggesting using pure sql or pl/sql to do the update, is that possible? And do we need to operate the sql or pl/sql in a local machine? Because I have no knowledge about pl/sql, so I am not sure if we can create some kind of script and call it on a remote machine. Let say the situation is like this: the input data is on machine A, and the original java program are also on machine A, but the oracle is on machine B. is there any other approach other than JDBC?

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• I'm the .1x programmer at my company. How can I best contribute?

  - by invaliduser

  I work at a newly-minted startup of five people. We have a Ph. D in machine learning, a former member of the RSpec core team, and the guy who compiles the Git binary for OS X. That's just the employees; the founder has a Ph. D and was CTO for a multi-billion-dollar corporation before leaving to start a (successful) startup, and has now left that to start this one. We also might get a guy with a Ph. D in math. Aaaaaaaaand then there's me, college-dropout intern. I think I'm pretty smart and I'm reading non-stop, but the delta of experience, skill, and knowledge between me and my co-workers is just breathtaking. So put yourself in their shoes: you've got a bright young intern who has a lot to learn but is at least energetic. What would be annoying? What use would you hope to get out of him in the here and now? What would be pleasantly surprising if it happened?

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• Sysprep a BizTalk Server VHD

  - by AbhishekLohani

  Hi All,   Sysprep creates a snapshot of a virtual machine with BizTalk Server 2010 installed for quick deployment on other virtual machines   Prerequisites Before using Sysprep, you should have some knowledge of using virtual machines with Hyper-V. You should also have a virtual machine with a clean, typical installation of BizTalk Server and all of its prerequisites. Sysprep will run on Windows Server 2008 and Windows Vista with SP1. Description Sysprep creates a VHD of a BizTalk Server 2010 installation (including the operating system and all prerequisites) for quick deployment on other virtual machines. An image created using Sysprep will choose a new computer name in order to join the domain the first time it starts. To get BizTalk Server running properly, it is necessary to update various instances of the computer name that are stored in the registry and databases. Please refer the Microsoft Links for Details :http://technet.microsoft.com/en-us/library/ee358636.aspx   Thanks Abhishek

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• Reasons to use C++ ?

  - by RodH257

  I've read here and in other places that learning C++, C or other low level languages are a must to get a more low level perspective on development. I agree with this, but I find it hard to find a reason to use C++ over C# or similar languages. Most of the work I do is web based, so there's no need for C++ there. Other work is windows based, and most things work fine in C# there, so what sort of situation could I use C++? I don't do any high performance stuff, nor do I create games, mostly business applications. I'm looking for an excuse to expand on my C++ knowledge but I need some motivation other than 'because the internet said I should'.

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• How to recommend that Google indexes some keywords?

  - by Werewolf

  I've read many articles about SEO. I've tried to implement my knowledge on a site but I haven't gotten good results in 6 months. e.g.: I've used Google Webmaster Tools, sitemaps, title tags, keywords in paragraphs, etc. My Alexa rank is growing but Google detected some keywords that isn't my goal :-(. Is there a good way to focus on a keyword on search engines? How can I recommend Google to index some desired keywords? (They are available in my pages.)

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• svn-based versioning tool, problem with network timeout

  - by Scarlet

  My dev team was committed a versioning tool based on Subversion to run on Windows (our svn client is sliksvn). We're developing with Delphi XE2, should that matter. We're asked to implement a "check for updates availability" feature, which has to work as follows: Connect to the SVN repo via svn+ssh protocol; See if there are changes to receive and list them; Let the user decide if he wants to receive changes or not. We don't have a great knowledge on svn, so we thought to implement that thing client side by a certain number of CreateProcess calls that wrap directly proper svn commands. Anyways what we perceived is that if network problems should arise, such like a connection drop, svn client hangs forever waiting for the operation to close instead of failing for timeout. We know that CreateProcess can be given a timeout argument, but it wouldn't be correct to use it, as we can't know from outside how long will be the svn operation taking to complete. Is there any way to avoid that deadlock?

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• Dell Vostro 1510 trackpad

  - by user18055

  A week ago I moved totally from Windows 7 to Ubuntu. I've been really happy with the transition bar one annoying glitch. My trackpad sometimes works, sometimes doesn't. All other hardware including peripherals work flawlessly, including a Logitech ball mouse, Wacom Bamboo pen and touch and wireless Logitech keyboard and mouse combo. I can't see any pattern to when and why the trackpad works. Occasionally on rebooting, it will work, but then I can reboot 10x in a row and it won't work, then I leave it a day, then reboot and it works flawlessly. Any ideas on a solution or appropriate method for me to deb it? My knowledge of Ubuntu/Linux is sketchy at best so I could do with a little help :)

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• MEA Oracle University Partner Enablement Update (22nd March)

  - by swalker

  Become an Oracle GoldenGate 10 Certified Implementation Specialist Let Oracle University help you become an Oracle GoldenGate 10 Certified Implementation Specialist. The following Boot Camp has been scheduled so that you can gain the required knowledge not only to develop and implement solutions that will drive your customers’ organizations to make better decisions, take informed actions, and run more-efficient business processes but also for you to pass the associated exam and get yourself specialized: Boot Camp Dates Location OPN Only Oracle GoldenGate 10 Implementation Boot Camp 26-28 Mar Dubai Oracle University OPN Only Boot Camps are co-funded by Oracle Alliances and Channels so are offered to you at very attractive prices. For prices, more information and assistance with registering please contact: Ion Georgescu eMail:  [email protected] Telephone:  +40 21.367.93.72

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• Should a new programmer nowadays start with C/C++ or OOP language? [closed]

  - by deviDave

  I've been a programmer for 15+ years. In my time, we all started with C or C++ and then moved to C# or Java. At that time it was a usual practice. Now, my brother wants to follow my steps and I am not sure what advice to give him. So, I am asking the community for an opinion. Should nowadays new programmer with zero programming knowledge start with functional languages (C, C++, etc.) or he should start directly with OOP languages (Java, C#, etc.)? The reply should be considered in the context of my brother's future assignments. He will mainly work on Java mobile applications as well as ASP.NET web apps. He will have to touch with desktop apps, low level programming, drivers, etc. This is the reason I am not sure if he should ever need to learn functional languages.

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• Installing Broadcom Wireless Drivers

  - by Fer1805

  I'm having serious problems installing the Broadcom drivers for Ubuntu. It worked perfectly on my previous version, but now, it is impossible. What are the steps to install Broadcom wireless drivers for a BCM43xx card? I'm a user with no advance knowledge in Linux, so I would need clear explanations on how to make, compile, etc. lspci -vnn | grep Network showed: Broadcom Corporation BCM4322 802.11a/b/g/n Wireless LAN Controller [14e4:432b] iwconfig showed: lo no wireless extensions. eth0 no wireless extensions.

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