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  • The Darkness Behind DateTime.Now

    DateTime.Now is one of the commonly-used properties in the .NET Framework in the majority of applications designed. Although this property is designed to serve for particular purposes, the lack of understanding and training has driven many .NET developers to use it in wrong circumstances where other options like DateTime.UtcNow property and Stopwatch class should be used and are recommended. In this article we discuss these three options along with the main applications of each, and provide a quantitative comparison between them to show why DateTime.Now is expensive and should not be misused in many cases.

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  • Confusing box2d forces

    - by Diken
    Hello Friends. This is my demo game screen-shoot. Here i am using three buttons. Right-bottom button is used for jump and left-bottom buttons used for move left and right. I have some questions 1) should i use linearImpuls for jump body?? 2) For move right and left which types of force i applied??? PLease tell me i am confusing to use linearImpuls, applyforce and linearVelocity. Thanks in advance

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  • Microsoft Releases June Patch Targeting 34 Flaws

    Microsoft today released 10 fixes in its June security update, with three deemed "critical" and seven considered "important" to patch....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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  • Resolving "Error accessing a table..." Error

    Are you encountering an error message during DB2 database startup? Or during the execution of Alter Tablespace SQL command? If ';yes';, then the three possible reasons for the error message are, contai... [Author: Mark Willium - Computers and Internet - May 13, 2010]

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  • where are apt-get files stored?

    - by loolooyyyy
    i have an ubuntu with three virtual machines running inside running ubuntu also i update the host using apt-get update but i can update VM's, it takes a long time + uses a lot of bandwith which i'm running out of,i want to transfer the updated files by apt-get to VMs, could you please tell me where are they? i'm not talking about the packages themselves stored in /var/cache/apt/archives, i want the file that stores list of available packages on mirror i have selected, thanks lot ps: i know this question has been asked somewhere but i cant find it!

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  • Running CopySourceAsHtml Add-in under Visual Studio 2010

    - by Marko Apfel
    Until now CopySourceAsHtml only supports Visual  Studio 2008 out of the box. But it is no problem to pimp up the config-file for supporting Visual Studio 2010. Copy all three files to "%userprofile%\Documents\Visual Studio 2010\Addins" Open CopySourceAsHtml.AddIn in a text editor and change both lines with <Version>9.0</Version> to <Version>10.0</Version> Run Visual Studio 2010 and CopySourceAsHtml works fine

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  • Stairway to MDX - Level 10: “Relative” Member Functions: .CurrentMember, .PrevMember, and .NextMember

    SSAS Maestro, SQL Server MVP and Business Intelligence Architect Bill Pearson introduces three “major players” within the MDX “relative” functions. These basic, but highly employed, functions include the .CurrentMember, .PrevMember and .NextMember functions. Check SQL Server performance at a glanceWe consulted 1000 SQL Server professionals to make SQL Monitor’s UI as clear as possible. Start monitoring with a free trial.

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  • Microsoft Promises Plenty of Surprises for E3 2010, with Project Natal Headlining the Show

    With the E3 Expo 2 1 just around the corner there is plenty of buzz circling around what Microsoft will bring to the table. This tech-driven three-day event takes place this year on June 15 16 and 17 at the Los Angeles Convention Center. Fans of Microsoft as well as their competitors will likely be waiting with anticipation as to what Microsoft plans to introduce to the world.... Microsoft BPOS - $10 Per User Per Month* *Includes a 12-month subscription. Minimum 5 seats required.

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  • Get started with Farseer Physics 2.1.3 in Silverlight 3

    As a powerful RIA development tool, Microsoft Silverlight is being more widely used to develop data-driven business and game applications. As a famous 2D game engine, the Farseer Physics Engine supports a wide range of platforms such as Microsoft's XNA, Silverlight, WPF, and Vanilla .NET. This article aims to serve as an elementary tutorial to Silverlight 2D beginners. Three demos are given to gradually lead you into a more and more complex and practical game environment.

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  • What's the difference between these design pattern books? [on hold]

    - by BSara
    I'm currently looking for a good reference/guide for design patterns and in my search I've found the following three books highly recommended: Design Patterns: Elements of Reusable Object-Oriented Software Pattern Hatching: Design Patterns Applied Design Patterns Explained: A New Perspective on Object-Oriented Design I can't decide which book (if any) to purchase. So, my question is this: What are the fundamental differences between these books?

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  • Apply SEO Techniques to Boost Up Your Online Business

    SEO Search Engine Optimization is a set of methods that is used to get your website ready as per the rules and regulations of search engines like Google, Yahoo and MSN. These search engines plays the role of big players when one think about getting nice and targeted traffic to his/her site. We have seen lots of online and offline surveys out there have declared that these three Search Engines provides 80% online traffic to a website.

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  • Will there be any more books in the Game Programming Gems series?

    - by Laurent Couvidou
    It's been more than three years now that the last Game Programming Gems book was published. The official website isn't updated anymore, and this page of Mark DeLoura's website seems to imply that the series is over. Was there ever an official statement about this? Was number 8 the last book? The Game Programming Gems were one of the most (if not the most) important resource for me and probably thousands of developers around the globe, did the Internet kill them?

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  • Aggro with Images

    - by Will
    I have three UIImageViews. enemy1, enemy1AggroBox and mainSprite. What I want to do is when mainSprite and enemy1AggroBox interect, I want enemy1 to start moving towards mainSprite. Basically creating aggro for a game. if(CGRectIntersectsRect(mainSprite.frame, enemy1AggroBox.frame)){ //Code here// } My plan would be to call this method in viewDidLoad. I'm not using any sort of framework like cocos2d or OpenGLES. If you need to see any more code just ask.

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  • SEO Optimization Services - Finding the Best Guide

    What should you look for in a company that offers SEO optimization services? It is an all-important question that you need to answer when choosing a service provider for all your SEO optimization requirements. As you read on, you will find out three key qualities that you need to look for when choosing an SEO optimization service that is a perfect fit for you.

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  • System testing hangs inexplicably

    - by Jamess
    I read that I can upload system testing reports to ubuntu site and was excited with it. But my last three efforts looks like gives me a hung 'system testing' process or it appears so for about an hour each. How I can find out what is happening and if it indeed hung? https://launchpad.net/+login says I am already logged in, but I do not see any progress (or even unable to close the window as well) I am attaching the Screen shot as well:

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  • Best way to set up servers for .NET performance [migrated]

    - by msigman
    Assume we have 3 physical servers and let's say we are only interested in performance, and not reliability. Is it better to give each server a specific function or make them all duplicates and split the traffic between them? In other words dedicate 1 as DB server, 1 as web server, and 1 as reporting server/data warehouse, or better to put all three services on each server and use them as web farm?

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  • Selecting the Common Threads Amongst the Search Engines

    To retain their effects applicable, almost all search engines need to have an understanding of the principal subject of the Site. You can aid the search engines come across your Website by simply preserving in mind the three major elements they are in search of: -Written content: Written content is the heart and soul of one's Internet site. It can be all the information your Site contains, not merely the text but additionally the Engagement Subjects (the illustrations or photos, movies, sound, interactive technologies, and so on that will constitute the visible space).

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  • Evolution Express (for MeeGo)

    <b>Stuff Michael Meeks is doing:</b> "Some ramblings about the creation of a new user interface for mail, calendaring etc. specifically for MeeGo; something I've been working on, amongst other things, for the last three months."

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  • No upgrade option when booting from USB (12.04)

    - by Ramzi Njeim
    I am trying to upgrade my ubuntu 11.10, i know that it is better to upgrade using a live cd/usb, i booted from the live usb, followed the instructions as usual, but only found three options: Cleen install Install alongside your other operating systems Other The upgrade choice was missing. I even tried installing it after running ubuntu 12.04 from usb, and ended up with the same result. I have a dual boot Ubuntu 11.10 and Windows 7, i think it is only seeing the windows 7 and missing the ubuntu 11.10 partition. Any help ?

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  • The Ultimate Beginner?s Guide to OpenGL Drivers

    OpenGL drivers also know an Open Graphics Library; can be defined as cross-platform API that is required for writing applications to produce two dimensional and three dimensional computer graphics. T... [Author: Sunny Makkar - Computers and Internet - March 20, 2010]

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