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  • Is there an algorithm for a pool game?

    - by Dmitri
    Hello! I am looking for algorithm to calculate direction and speed of balls in a pool game. I am sure there has to be some type of open source code for this since pool games are some of the oldest computer games I can remember. I mean, when one ball hits another, I need a algorithm to calculate direction of both of them. It will depend of exact angle of where they hit each other and on speed. I want to practice Java coding, so I am looking for java code or package that has this type of code.

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  • Planning an Event&ndash;SPS NYC

    - by MOSSLover
    I bet some of you were wondering why I am not going to any events for the most part in June and July (aside from volunteering at SPS Chicago).  Well I basically have no life for the next 2 months.  We are approaching the 11th hour of SharePoint Saturday New York City.  The event is slated to have 350 to 400 attendees.  This is second year in a row I’ve helped run it with Jason Gallicchio.  It’s amazingly crazy how much effort this event requires versus Kansas City.  It’s literally 2x the volume of attendees, speakers, and sponsors plus don’t even get me started about volunteers.  So here is a bit of the break down… We have 30 volunteers+ that Tasha Scott from the Hampton Roads Area will be managing the day of the event to do things like timing the speakers, handing out food, making sure people don’t walk into the event that did not sign up until we get a count for fire code, registering people, watching the sharpees, watching the prizes, making sure attendees get to the right place,  opening and closing the partition in the big room, moving chairs, moving furniture, etc…Then there is Jason, Greg, and I who will be making sure that the speakers, sponsors, and everything is going smoothly in the background.  We need to make sure that everything is setup properly and in the right spot.  We also need to make sure signs are printed, schedules are created, bags are stuffed with sponsor material.  Plus we need to send out emails to sponsors reminding them to send us the right information to post on the site for charity sessions, send us boxes with material to stuff bags, and we need to make sure that Michael Lotter gets there information for invoicing.  We also need to check that Michael has invoiced everyone and who has paid, because we can’t order anything for the event without money.  Once people have paid we need to setup food orders, speaker and volunteer dinners, buy prizes, buy bags, buy speakers/volunteer/organizer shirts, etc…During this process we need all the abstracts from speakers, all the bios, pictures, shirt sizes, and other items so we can create schedules and order items.  We also need to keep track of who is attending the dinner the night before for volunteers and speakers and make sure we don’t hit capacity.  Then there is attendee tracking and making sure that we don’t hit too many attendees.  We need to make sure that attendees know where to go and what to do.  We have to make all kinds of random supply lists during this process and keep on track with a variety of lists and emails plus conference calls.  All in all it’s a lot of work and I am trying to keep track of it all the top so that we don’t duplicate anything or miss anything.  So basically all in all if you don’t see me around for another month don’t worry I do exist. Right now if you look at what I’m doing I am traveling every Monday morning and Thursday night back and forth to Washington DC from New Jersey.  Every night I am working on organizational stuff for SharePoint Saturday New York City.  Every Tuesday night we are running an event conference call.  Every weekend I am either with family or my boyfriend and cat trying hard not to touch the event.  So all my time is pretty much work, event, and family/boyfriend.  I have 0 bandwidth for anything in the community.  If you compound that with my severe allergy problems in DC and a doctor’s appointment every month plus a new med once a week I’m lucky I am still standing and walking.  So basically once July 30th hits hopefully Jason Gallicchio, Greg Hurlman, and myself will be able to breathe a little easier.  If I forget to do this thank you Greg and Jason.  Thank you Tom Daly.  Thank you Michael Lotter.  Thank you Tasha Scott.  Thank you Kevin Griffin.  Thank you all the volunteers, speakers, sponsors, and attendees who will and have made this event a success.  Hopefully, we have enough time until next year to regroup, recharge, and make the event grow bigger in a different venue.  Awesome job everyone we sole out within 3 days of registration and we still have several weeks to go.  Right now the waitlist is at 49 people with room to grow.  If you attend the event thank all these guys I mentioned above for making it possible.  It’s going to be awesome I know it but I probably won’t remember half of it due to the blur of things that we will all be taking care of the day of the event.  Catch you all in the end of July/Early August where I will attempt to post something useful and clever and possibly while wearing a fez. Technorati Tags: SPS NYC,SharePoint Saturday,SharePoint Saturday New York City

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  • "bad mirror archive" : What should I put as the "mirror of ubuntu archive" on installation of ubuntu?

    - by rockit
    I'm trying to set up ubuntu from my old macintosh laptop, but when it asks me to put in the "mirror of ubuntu archive" I run into problems. For the mirror, I put in mirror.anl.gov for the ubuntu archive mirror directory, i put in pub/ubuntu/ Then I leave the http proxy blank and hit "continue" It then tries to "download release files", which starts at 0%, and eventually jumps straight to 100% and then it presents me with an error of "bad mirror archive". Any advice? I never set up ubuntu before, and I'm really struggling with this step.

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  • Can this navigation be done completely in CSS [migrated]

    - by atrljoe
    I am a little stuck. I have created almost everything in the picture below. What I am stuck on is I am trying to figure out how I would set it up so that when a user clicks one of the links it makes the line below become red (after the next page loads). Obviously I would need to use Jquery to detect the page then add inline css, but what I am struggling with is I want this to be as easy as possible so that I can give this template to others and then they can add or remove items as necessary. I was trying to figure out if I could somehow use a li element to do this but I have not found a way yet. Does anyone have any ideas to help me?

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  • Flutter Enabled Hand Gesture Control of Your Music and Movies

    - by Jason Fitzpatrick
    You’ve got a dozen windows open, your media player is buried underneath somewhere, and the phone rings. Do you reach for the speaker power button, dig through the windows, or simply wave your hand to pause the music? With Flutter, a simple gesture is all it takes. Flutter is a free application for Windows and Mac OS X that turns your webcam into a gesture-recognition tool and your hand into a remote for your media applications. By lifting your your hand palm out, making a fist, or using other simple gestures, you can pause or otherwise interact with your media players. Hit up the link below to grab a free copy of Flutter. FlutterApp [via MakeUseOf] How Hackers Can Disguise Malicious Programs With Fake File Extensions Can Dust Actually Damage My Computer? What To Do If You Get a Virus on Your Computer

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  • Hack a Nintendo Zapper into a Real Life Laser Blaster

    - by Jason Fitzpatrick
    Why settle for zapping ducks on the screen when you could be popping balloons and lighting matches on fire? This awesome (but rather dangerous) hack turns an old Nintendo zapper into a legitimate laser gun. Courtesy of the tinkers over at North Street Labs, we’re treated to a Nintendo zapper overhaul that replaces the guts with a powerful 2W blue laser, a battery pack, and a keyed safety switch. Check out the video below to see the laser blaster in action: For more information on the build and a pile of more-than-merited safety warnings, hit up the link below. Nintendo Zapper 2W+ Laser [via Boing Boing] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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  • The Star Wars That I Used To Know [Video]

    - by Jason Fitzpatrick
    Run away hit Somebody That I Used To Know by Gotye is on track to become the tune of the summer; this extremely well executed parody replaces the subject of a lover scorned with a Star Wars fan scorned (with quite entertaining results). Courtesy of Teddie Films, the 5 minute parody video faithfully recreates the music and set of the Gotye video but layers over plenty of Star Wars references and some rather subtle (and not so subtle) jabs at where the Star Wars franchise has gone in recent years. If you’re even remotely dishearted over what Episodes I-III changed about the original trilogy, this one’s for you. The Star Wars That I Used To Know [via Geeks Are Sexy] How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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  • Spending the summer at camp Web Camp, that is

    Microsoft is sponsoring a series of Web Camps this summer. Theyre a series of free two day events being held worldwide, and Im really excited about being taking part. The camp is targeted at a broad range of developer background and experience. Content builds from 101 level introductory material to 200-300 level coverage, but we hit some advanced bits (e.g. MVC 2 features, jQuery templating, IIS 7 features, etc.) that advanced developers may not yet have seen. We start with a lap around ASP.NET...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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  • What collision detection approach for top down car game?

    - by nathan
    I have a quite advanced top down car game and i use masks to detect collisions. I have the actual designed track (what the player see) with fancy graphics etc. and two other pictures i use as mask for my detection collisions. Each mask has only two colors, white and black and i check each frame if a pixel of the car collide with a black pixel of the masks. This approach works of course but it's not really flexible. Whenever i want to change the look of a track, i have to redraw the mask and it's a real pain. What is the general approach for this kind of game? How can i improve the flexibility of such a mask based approach?

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  • Dropbox Doubling the Storage of Their Pro Accounts Tonight Free of Charge

    - by Jason Fitzpatrick
    If you’re a Dropbox Pro user (or have been contemplating getting a Dropbox Pro account) today is your lucky day. Dropbox has overhauled their pricing structure, effectively doubling the storage capacity of their Pro account with nary a price increase in sight. Starting later today (keep an eye on the Dropbox Plans page for the change) the Pro 50GB and 100GB plans will shift to Pro 100GB and 200GB plans, doubling the amount of storage users enjoy without an increase in price. Hit up the link below for more info. New Dropbox Plans! [The Dropbox Blog] How to Play Classic Arcade Games On Your PC How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8

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  • Programming language features that help to catch bugs early

    - by Christian Neumanns
    Do you know any programming language features that help to detect bugs early in the software development process - ideally at compile-time or else as early as possible at run-time? Examples of well-known and effective bug-reducing features are: Static typing and generic types: type incompatibility errors are detected by the compiler Design by Contract (TM), also called Contract Programming: invalid values are quickly detected at runtime (through preconditions, postconditions and class invariants) Unit testing I ask this question in the context of improving an object-oriented programming language (called Obix) which has been designed from the ground up to 'make it easy to quickly write reliable code'. Besides the features mentioned above this language also incorporates other Fail-fast features such as: Objects are immutable by default Void (null) values are not allowed by default The aim is to add more Fail-fast concepts to the language. If you know other features which help to write less error-prone code then please let us know. Thank you.

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  • How can I test if my rotated rectangle intersects a corner?

    - by Raven Dreamer
    I have a square, tile-based collision map. To check if one of my (square) entities is colliding, I get the vertices of the 4 corners, and test those 4 points against my collision map. If none of those points are intersecting, I know I'm good to move to the new position. I'd like to allow entities to rotate. I can still calculate the 4 corners of the square, but once you factor in rotation, those 4 corners alone don't seem to be enough information to determine if the entity is trying to move to a valid state. For example: In the picture below, black is unwalkable terrain, and red is the player's hitbox. The left scenario is allowed because the 4 corners of the red square are not in the black terrain. The right scenario would also be (incorrectly) allowed, because the player, cleverly turned at a 45* angle, has its corners in valid spaces, even if it is (quite literally) cutting the corner. How can I detect scenarios similar to the situation on the right?

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  • Pong Collision Help in C# w/ XNA

    - by Ramses Brown
    Edit: My goal is to have it function like this: Ball hits 1st Quarter = rebounds higher (aka Y++) Ball hits 2nd Quarter = rebounds higher (using random value) Ball hits 3rd Quarter = rebounds lower (using random value) Ball hits 4th Quarter = rebounds lower (aka Y--) I'm currently using Rectangle Collision for my collision detection, and it's worked. Now I wish to expand it. Instead of it simply detecting whether or not the paddle/ball intersect, I want to make it so that it can determine what section of the paddle gets hit. I wanted it in 4 parts, with each having a different reaction to impact. My first thought is to base it on the Ball's Y position compared to the Paddle's Y position. But since I want it in 4 parts, I don't know how to do that. So it's essentially be if (ball.Y > Paddle.Y) { PaddleSection1 == true; } Except modified so that instead of being top half/bottom half, it's 1st Quarter, etc.

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  • Unable to select iso file when making live usb with Yumi multi boot installer

    - by user169875
    I am trying to make a Live USB of ubuntu 12.04 desktop. I did download it from the site. It shows that its a iso file. I am trying to browse it from multiboot installer(YUMI) but I don't know why Multiboot Installer is unable to detect it as it is a iso file. I tried renaming the file .iso. but nothing worked for me. Please help me I am stuck and frustrated. Trying to get things straight for hours.

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  • Having trouble compiling UnrealScript with defaultproperties

    - by Enchanter
    Have just started scripting in Unreal Script and am following the instructions of the opening chapter of a book on the subject. I have set the development tools up as described in the book such that it is now possible to compile the scripts for UDK before adding them to a level. My issue is: the very first script the book asks you to compile is the following: class AwesomeActor extends Actor placeable; defaultproperties { Begin Object Class=SpriteComponent Name = Sprite Sprite = Texture2D'EditorResources.S_NavP' End Object Components.Add(Sprite) } And when I hit F9 in the compiler I get the following error message: Error, BEGIN OBJECT: Must specify valid name for suboject/copmponent: Begin Object class=SpriteComponent name = Sprite My question: As far as I'm aware I've copied the code from the book veribatim including capital and smaller case letters but I'm getting this error and I was wondering if anyone knew why and if so how I would fix it?

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  • Can't Dual Boot Ubuntu 12.04 and Windows 7 on Sony Vaio S 15 (2012)

    - by Nathaniel
    I just bought my dad a new laptop for fathers day, a Sony Vaio S 15 (the latest models from Sony) and he wants to dual boot Ubuntu and Windows 7. I put Ubuntu 12.04 on a USB drive and went to install it on the computer, but when I got into the partition part of the install there was no option to dual boot. Only to delete everything and install Ubuntu or 'other'. I installed using the 'other' feature by manually partitioning, however once I installed it the computer wouldn't ever go to grub. From inside windows I used Easy BCD to try and fix the boot loader so it would give the option to boot into Windows 7 or Ubuntu 12.04, but it couldn't detect ANY operating systems on the computer (not even windows). Is it not possible to dual boot on the latest Sony Vaios, or is there a workaround for this?

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  • Collisions between moving ball and polygons

    - by miguelSantirso
    I know this is a very typical problem and that there area a lot of similar questions, but I have been looking for a while and I have not found anything that fits what I want. I am developing a 2D game in which I need to perform collisions between a ball and simple polygons. The polygons are defined as an array of vertices. I have implemented the collisions with the bounding boxes of the polygons (that was easy) and I need to refine that collision in the cases where the ball collides with the bounding box. The ball can move quite fast and the polygons are not too big so I need to perform continuous collisions. I am looking for a method that allows me to detect if the ball collides with a polygon and, at the same time, calculate the new direction for the ball after bouncing in the polygon. (I am using XNA, in case that helps)

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  • CircuitLab Offers Easy Circuit Building on the Web and iPad

    - by Jason Fitzpatrick
    If you like to sketch out your circuit designs rapidly, cleanly, and on the web or your iPad, CircuitLab makes it dead simple. The free tool includes an easy drag-and-drop interface, circuit analysis, easy printing, and more. Watch the video above to see the creators of CircuitLab whipping up a simple circuit to showcase the app, then hit up the link below to try it out. CircuitLab [via Hacked Gadgets] How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me?

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  • FigurePrint Brings Your Minecraft Creations to Life

    - by Jason Fitzpatrick
    If you love Minecraft so much you wish your finest creations could sit on your desk, FigurePrint is happy to oblige with a little 3D printing magic. Using their helper app you can export a section of your Minecraft world, big or small, upload it to their servers, and receive a full-color 3D printed model of it in the mail. The pricing is based on the size and complexity of model. Hit up the link to read more about their Minecraft printing services (as well as their Xbox Live avatar printing and World of War Craft printing). FigurePrint: Minecraft [via Wired] How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7

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  • Game of Thrones Style Sigils for Video Games

    - by Jason Fitzpatrick
    What would the video game families of the Mushroom Kingdom, Hyrule, and more look like if they were represented by Game of Thrones style sigils? Dorkly shows us the House of Mario, Link, and more. Hit up the link below to check out the imagined sigils for a variety of video games families–if you’re in the mood for wallpapers based on the actual Game of Thrones families, makes sure to check out the Extras section for the show on HBO.com. Game of Thrones House Sigils for Video Game Families [via Neatorama] 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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  • Sound Problem due to wrong driver installation

    - by Starx
    First of all, the audio used to play from the speaker but whenever I connected a headphone or speaker in the I, the sound didn't came. So I installed a realtek sound driver to fix this (actually I didn't find any relevant driver for my sound card so I installed it hoping it would show some light) When I rebooted the system, my sound is completely gone and now ubuntu does not detect any sound devices in my system. I clearly installed wrong driver, now I need to remove and go to previous stage and find a correct driver. My laptop is: Dell Studio 1747, uses a speaker Creative Labs Sound X-Fi MB Sound Blaster and the chipset is INTEL PM55. How can I fix this?

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  • Moving camera, or camera with discrete "screens"?

    - by Jacob Millward
    I'm making a game with a friend, but having trouble deciding on a camera style. The basic idea for the game, is having a randomly generated 2-dimensional world, with settlements in it. These settlements would have access to different resources, and it would be the job of the player to create bridges and ladders and links between these villages so they can trade. The player would advance personally by getting better gear, fighting monsters and looking for materials in the world, in order to craft and trade them at the settlements. My friend wants to use an old-style camera, where the world is split into a discrete number of screens that the player moves between. Similar to early Zelda dungeons, or Knytt Stories. This is opposite to me, as I want a standard camera that follows the player around as I feel the split-screen style camera limits the game. Can anyone argue the case either way? We've hit a massive roadblock here and can't seem to get past it.

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  • Toolbar Cleaner Strips Toolbars, Add-ons, and Browser Helper Objects

    - by Jason Fitzpatrick
    If you’re trying to remove all the crap off a friend’s bogged down computer, Toolbar Cleaner is a handy little app that does a thorough job stripping away spammy toolbars, dubious add-ons, and browser helper objects. Toolbar Cleaner is a free application that helps remove unwanted garbage from your Internet Explorer, Firefox, and Google Chrome installations–including third-party toolbars, extensions/add-ons, and browser helper objects (plug-ins that modify your browser behavior and can contain malware). If you’re dealing with a machine drowning under all the toolbars and crapware that have snuck onto the system, it’s a nearly one-click solution to purging all of them. Hit up the link below to read more about the software and grab a copy. Toolbar Cleaner is freeware, Windows only. Toolbar Cleaner [via Freeware Genius] HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8 How To Play DVDs on Windows 8

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  • Did Blowing Into Nintendo Cartridges Really Help?

    - by Jason Fitzpatrick
    Anyone old enough to remember playing cartridge-based games like those that came with the Nintendo Entertainment System or its successors certainly remembers how blowing across the cartridge opening always seemed to help a stubborn game load–but did blowing on them really help? Mental Floss shares the results of their fact finding mission, a mission that included researching the connection mechanism in the NES, talking to Frank Viturello (who conducted an informal study on the effects of moisture on cartridge connectors), and otherwise delving into the history of the phenomenon. The most interesting part of the analysis, by far, is their explanation of how blowing on the cartridge didn’t do anything but the ritual of removing the cartridge to blow on it did. Hit up the link below for the full story. Did Blowing into Nintendo Cartridges Really Help? [Mental Floss] How Hackers Can Disguise Malicious Programs With Fake File Extensions Can Dust Actually Damage My Computer? What To Do If You Get a Virus on Your Computer

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  • ZeroBin Is an Encrypted PasteBin Alternative

    - by Jason Fitzpatrick
    ZeroBin is like the heavily armored sibling of PasteBin; You can still paste large chunks of text but that text is encrypted with client-side encryption. PasteBin is great when you need to share snippets of code or log files, the only problem is the service is essentially wide open. Not such a big deal if you’re sharing your XBMC logs on the support forum to get a little help figuring out why your movie list won’t update, but less than idea if you’re sharing more sensitive information. ZeroBin steps in to fill that gap by offering client-side encryption where ZeroBin has no knowledge of the content of your shared text snippets. In addition you can set up the ZeroBin content to self destruct after a set amount of time. Hit up the link below to take ZeroBin for a spin. ZeroBin [via One Thing Well] How to Stress Test the Hard Drives in Your PC or Server How To Customize Your Android Lock Screen with WidgetLocker The Best Free Portable Apps for Your Flash Drive Toolkit

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