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  • Harnessing PowerShell's String Comparison and List-Filtering Features

    When you are first learning PowerShell, it often seems to be an 'Alice through the looking-glass' world. Just the simple process of comparing and selecting strings can seem strangely obtuse. Michael turns the looking-glass into wonderland with his wall-chart of the PowerShell string-comparison operators and syntax The Future of SQL Server MonitoringMonitor wherever, whenever with Red Gate's SQL Monitor. See it live in action now.

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  • HowTo Enable jBullet DebugMode

    - by Kenneth Bray
    I would like to render the physics world of jBullet to debug some issues in my game, and I am not finding too much on enabling the debugDraw method of jBullet. Do I need to write my own debugDraw method, or is there an easier way to draw the physics models to the screen? If there is already a built in method I would prefer to use that, otherwise I guess I will start making my own functions to handle this.

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  • How do I create weapon attachments?

    - by Tron86
    My question is; I am developing a game for XNA and I am trying to create a weapon attachment for my player model. My player model loads the .md3 format and reads tags for attachment points. I am able to get the tag of my model's hand. And I am also able to get the tag of my weapon's handle. Each tag I am able to get the rotation and position of and this is how I am calculating it: Model.worldMatrix = Matrix.CreateScale(Model.scale) * Matrix.CreateRotationX(-MathHelper.PiOver2) * Matrix.CreateRotationY(MathHelper.PiOver2); Pretty simple, the player model has a scale and its orientation(it loads on its side so I just use a 90 degree X axis rotation, and a Y axis rotation to face away from the camera). I then calculate the torso tag on the lower body, which gives me a local coordinate at the waist. Then I take that matrix and calculate the tag_weapon in the upper body. This gives me the hand position in local space. I also get the rotation matrix from that tag that I store for later use. All this seems to work fine. Now I move onto my weapon: Matrix weaponWorld = Matrix.CreateScale(CurrentWeapon.scale) * Matrix.CreateRotationX(-MathHelper.PiOver2) * TagRotationMatrix * Matrix.CreateTranslation(HandTag.Position) * Matrix.CreateRotationY(PlayerRotation) * Matrix.CreateTranslation(CollisionBody.Position) * You may notice the weapon matrix gets rotated by 90 degress on the X axis as well. This is because they load in on their sides. Once again this seems pretty simple and follows the SRT order I keep reading about. My TagRotation matrix is the hand's rotation. HandTag.Position is its position in local space. CreateRotationY(PlayerRotation) is the player's rotation in world space, and the CollisionBody.Position is the player's world location. Everything seems to be in order, and almost works in game. However when the gun spawns and follows the player's hand it seems to be flipped on an axis every couple frames. Almost like the X or Y axis is being inversed then put right back. Its hard to explain and I am totally stumped. Even removing all my X axis fixes does nothing to solve the problem. Hopefully I explained everything enough as I am a bit new to this! Thanks!

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  • Filtering GridView Table Rows using a Drop-Down List in ASP.NET 3.5

    In the real world ASP.NET 3.5 websites rely heavily on the MS SQL server database to display information to the browser. For the purposes of usability it is important that users can filter some information shown to them particularly large tables. This article will show you how to set up a program that lets users filter data with a GridView web control and a drop-down list.... SW Deployment Automation Best Practices Free Guide for IT Leaders: Overcoming Software Distribution & Mgmt Challenges.

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  • Oracle Brings Java to iOS Devices (and Android too)

    - by Shay Shmeltzer
    Java developer, did you ever wish that you can take your Java skills and apply them to building applications for iOS mobile devices? Well, now you can! With the new Oracle ADF Mobile solution, Oracle has created a unique technology that allows developers to use the Java language and develop applications that install and run on both iOS and Android mobile devices. The solution is based on a thin native container that installs as part of your application. The container is able to run the same application you develop unchanged on both Android and iOS devices. One part of the container is a headless lightweight JVM based on the Java ME CDC technology. This allows the execution of Java code on your mobile device. Java is used for building business logic, accessing local SQLite encrypted database, and invoking and interacting with remote services. Java concept on the UI too To further help transition Java developers to mobile developers, ADF Mobile borrows familiar concepts from the world of JSF to make the UI development experience simpler. The user interface layer of Oracle ADF Mobile is rendered with HTML5 which delivers native user experience on the devices, including animations and gesture support. Using a set of rich components, developers can create mobile pages without needing to write low level HTML5 and JavaScript code. The components cover everything from simple controls such as text fields, date pickers, buttons and links, to advanced data visualization components such as graphs, gauges and maps, and including unique mobile UI patterns such as lists, and toggle selectors. Want to see the components in action? Access this demo instance from your mobile device. Need to further customize the look and feel? You can use CSS3 to achieve this. A controller layer - similar in functionality to the JSF controller - allows developer to simplify the way they build navigation between pages. The logic behind the pages is written in managed beans with various scopes – again similar to the JSF approach. Need to interact with device features like camera, SMS, Contacts etc? Oracle conveniently packaged access to these services in a set of services that you can just drag and drop into your pages as buttons and links, or code into your managed beans Java calls to activate. Underneath the covers this layer is implemented using the open source phonegap solution. With the new Oracle ADF Mobile solution, transferring your Java skills into the Mobile world has become much easier. Check out this development experience demo. And then go and download JDeveloper and the ADF Mobile extension and try it out on your own. For more on ADF Mobile, see the ADF Mobile OTN page.

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  • GDL Presents: Internet Freedom and the ITU

    GDL Presents: Internet Freedom and the ITU This week, the world's governments are gathering in Dubai to discuss the future of the Internet. Some governments want to use this meeting to increase censorship and regulate the Internet. Hear from one of the advocacy groups that's been leading efforts in opposition, and what threats may be around the corner in 2013. From: GoogleDevelopers Views: 0 1 ratings Time: 01:00:00 More in Science & Technology

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  • Are dynamic languages at disadvantage for agile development?

    - by Gerenuk
    From what I've read agile development often involves refactoring or reverse engineering code into diagrams. Of course there is much more than that, but if we consider the practices that rely on these two methods, are dynamically typed languages at disadvantage? It seem static typing would make refactoring and reverse engineering much easier? Refactoring or (automated) reverse engineering is hard if not impossible in dynamically typed languages? What does real world projects tell about usage of dynamically typed languages for agile methodology?

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  • Changing coordinate system from Z-up to Y-up

    - by Jari Komppa
    Blender's coordinate system is different from what I'm used to, in that Z points upwards instead of Y. What would be the simplest way of converting all the world data (so that all animations, texture coordinates, etc still work) so that Y points upwards? Clarification: Object positions are defined as matrices, so just switching translation/rotation/scale information in matrices is not a trivial task.

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  • What's on Azure right now?

    - by RobbieT
    If you speak to Microsoft, they'll give you a number of active accounts, but what are those accounts actually running? It could be a collection of Hello World ASP.NET sites, or perhaps small exciting web start-ups, or maybe even the beginnings of large corporate moves to the cloud! I guess what I really wanted to know was who is using Azure but that's a much harder question to answer, so we'll stick to what for now. My super awesome comrade Theo Spears attempted to answer this by trawling every...(read more)

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  • Enterprise cloud put to the test

    <b>Network World:</b> "In this first-of-its-kind test, we invited cloud vendors to provide us with 20 CPUs that would be used for five instances of Windows 2008 Server and five instances of Red Hat Enterprise Linux &#8211; two CPUs per instance. We also asked for a 40GB internal or SAN/iSCSI disk connection, and 1Mbps of bandwidth from our test site to the cloud provider."

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  • In what kind of variable type is the player position stored on a MMORPG such as WoW?

    - by jokoon
    I even heard J. Carmack quickly talk about it... How a software can track a player's position so accurately, being on a such huge world, without loading between zones, and on a multiplayer scale ? How is the data formatted when it passes through the netcode ? I can understand how vertices are stored into the graphic card's memory, but when it comes to synchronize the multiplayer, I can't imagine what is best.

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  • How do I give a Byobu session a name?

    - by Ashimema
    Is there a way to create identifiable Byobu sessions so that when I've got multiple sessions running, the byobu-select-session menu gives me a list of sessions I can recognize, as opposed to non-descript tmux port numbers? In an ideal world, it would be great to be able to both start a session giving it a name and to modify such a session to change a name if it's already running? Is this possible, how?

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  • Visualizing Data with the Google Maps API: A Journey of 245k Points

    Visualizing Data with the Google Maps API: A Journey of 245k Points What can you do with some awesome geospatial data, the Google Maps API, and a couple of days of hacking and analysis? Brendan and Paul walk through how they used the Maps API to visualize the CLIWOC database, and pass on tips and trick for doing the same with other geospatial datasets. CLIWOC (Climatological Database for the World's Oceans, 1750-1850): www.ucm.es From: GoogleDevelopers Views: 0 0 ratings Time: 00:00 More in Education

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  • Getting SEO Savvy

    Go out, get savvy about the SEO available in Melbourne, then find and hire the best SEO in Melbourne. It's a smart solution to increasing your online sales and revenue and as far as solutions go, it is certainly being implemented all around the world by your competition.

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  • Bad SEO Advice - 3 Myths

    The world is awash with SEO. Business users are deluged with tips, tricks and advice on how to achieve top page ranking success. You only need to take a quick look around a Google search on SEO to see for yourself the weight and variety of information out there.

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  • Climbing boxes in box2D

    - by Rothens
    I've just stepped into the world of Box2D with libgdx. I've already made a stack of boxes: They are dropped randomly ontop of each other. What I'd like to achieve is to make a character, that could freely climb on the boxes, (He can grip on the boxes anywhere, not just on the side/top of a box) but his weight affects the stack as well, so the boxes could fall down. My google-fu failed me... Is there any way to make this possible?

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  • Programming Languages

    - by Shannon
    I realize this will be a very vague question, but please bear with me. I have a concept for an open-world game, hand to hand combat, with a fairly open storyline, but there is an issue. I'm not sure which programming language to use, as I'm fairly new to programming. I am considering c++, but I would like to hear your opinions on which language you believe would support this type of game most efficiently. Pros and cons would be appreciated.

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  • Patent Pool to Thwart Open Source Codecs

    <b>DaniWeb:</b> "Just when you thought it couldn't get any worse in the world of software patents, a reliable source sent me this response from Steve Jobs about a patent pool that's forming and aiming to nail the open source codecs projects."

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  • Distribute Your Articles on the Web

    Article marketing on the World Wide Web is a cost-effective way of getting the word out about your offerings and driving traffic to your website. However, you need to know the tricks of distributing your articles effectively so that your business can get the maximum leverage out of it.

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