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• Handling inverse kinematics: animation blending or math?

  - by meds

  I've been working for the past four days on inverse kinematics for my game engine. I'm working on a game with a shoestring budget so when the idea of inverse kinematics came up I knew I had to make it such that the 3D models bones would be mathematically changed to appear to be stepping on objects. This is causing some serious problems with my…

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• possible to create sql query with table wildcards?

  - by Rees

  this is probably a simple question, but i have been unable to find a solution online, any help would be much appreciated. I'm trying to create an SQL query in PHP and would like to somehow apply a wild card to the TABLE filter... something perhaps like.... select * from %table%. However, I have only so far been able to see filters for column…

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• "Genie" animation effect in XAML

  - by ScottCate

  What would the XAML look like to create a Genie animation effect? Take an object of any size/shape, and "Genie" it to another Minimized location. Kind of like the OSX window minimize. Maybe even a little fancier through a smoke-like effect where the path is more switch back, instead of a simple funnel (if that makes any sense). I'm guessing…

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• How to prevent Artificial Intelligence from escaping into the internet?

  - by Jason

  I have an interest in artificial intelligence from a evolutionary standpoint. I want to experiment with it somewhat with a high level language like C#, however, I'm stuck on one of the most elementary problems with artificial life -- how to contain it? The best thing I can think of is a virtual machine. Where would I start to create a VM…

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• Is it valid for RSS feeds to include images with relative paths?

  - by Brian Armstrong

  I have an app which reads lots of RSS feeds. Someone added a feed recently that includes images in the html portion with relative URLS (i.e. it didn't include the http://www.domain.com/ part in front). Is this valid html for an RSS feed? I thought not, but I tried adding the feed to my Google reader and it picked up the images…

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• From string to hex MD5 hash and back

  - by Pablo Fernandez

  I have this pseudo-code in java: bytes[] hash = MD5.hash("example"); String hexString = toHexString(hash); //This returns something like a0394dbe93f bytes[] hexBytes = hexString.getBytes("UTF-8"); Now, hexBytes[] and hash[] are different. I know I'm doing something wrong since hash.length() is 16 and hexBytes.length() is…

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• Understanding run time code interpretation and execution

  - by Bob

  I'm creating a game in XNA and was thinking of creating my own scripting language (extremely simple mind you). I know there's better ways to go about this (and that I'm reinventing the wheel), but I want the learning experience more than to be productive and fast. When confronted with code at run time, from what I understand,…

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• Better algorithm for estimating download time

  - by Scott Smith

  We've all seen the download time running estimate that initially says something like "7 days", but keeps dropping wildly (e.g. "23 hours", "45 minutes", "1 min. 50 sec", etc) with each successive estimation as the chunks are downloaded. To avoid these initial (alarming) estimates, there are techniques one could try like…

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• Is it valid to have more than one question mark in a URL?

  - by Bungle

  I came across the following URL today: http://www.sfgate.com/cgi-bin/blogs/inmarin/detail??blogid=122&entry_id=64497 Notice the doubled question mark at the beginning of the query string: ??blogid=122&entry_id=64497 My browser didn't seem to have any trouble with it, and running a quick bookmarklet: …

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• How to preserve data integrity while minimizing the transmission size

  - by user1500578

  we have sensors in the wild that send their data to a server every day via TCP/IP, either through 3G or through satellite for the physical layer. The sensors can automatically switch from one to the other depending on their location and the quality of the signal with the local 3G operator. Given that the 3G and…

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• Conditionally embed ASP.NET MVC2 Views as resources during build in Visual Studio 2010

  - by jslatts

  I have a ASP.NET MVC2 project in VS2010 that can be deployed in two modes: standalone or plugin. In standalone mode, the views should live outside the compiled assembly as .aspx files (the default setup). In plugin mode, the views are switched (currently by hand) to embedded resources and the entire assembly…

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• Solaris 10 keyboard problem

  - by Tool

  Im runing Solaris 10 - but im having problems with the keyboard. Instead of - i get /, and instead of y i get z, etc. I tried changing every option in the menu "Keyboard Behaviour". I also tried changing kmdconfig from xorg to xsun, but then the graphics goes all wild and ugly - although the keyboard works…

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• Displaying/scrolling through heaps of pictures in the browser

  - by user347256

  I want to be able to browse through heaps of images in the browser, fast. THe easy way (just load 2000 images and scroll) slows down the scrolling a lot, assumedly because there's too much images to be kept in memory. I'd love to hear thoughts on strategies to be able to quickly scroll through 10000s of…

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• Drools rules import with wildcard

  - by ZeKoU

  Hello everyone, I am working with Drools rules. Some developers have created rules which I have to put on Guvnor (rules repository) and build packages. In these rules they have import statements with wildcards, for example: import org.drools.runtime.rule.*; When I upload this on Guvnor and try to build,…

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• Object reference not set to an instance of an object - how to find the offending object name in the

  - by Jason

  This is the bane of my programming existence. After deploying an application, when this error crops up, no amount of debug dump tells you WHAT object was not instantiated. I have the call stack, that's great, it tells me roughly where the object is, but is there any way to get .NET to tell me the actual…

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• Getting the date object to work in IE6 (w/ YYYY-MM-DD param)?

  - by J. LaRosee

  I just got IE6 sprung on me for a project that is going out into the wild soon, which means it's time to go back and comb through all of the CSS and JS. I've gotten hung up on the date object, however: $.validator.addMethod("dateRange", function() { var today = new Date(); var event_date_raw =…

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• How can I access the copy buffer on the web?

  - by Ólafur Waage

  Wild question here. Is it possible to access the copy buffer on the web. What I mean is. Can I go into Photoshop. Select a piece of a photo. Copy that piece and paste it into some element. That something would be like a Java applet or Flash or Silverlight or anything. I am just wondering if it is…

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• SSRS mysterious extra pages

  I have two reports that are setup with the same page dimensions- A4 portrait, with page margins of 1cm. When I run the reports seperately and print them they both come out as expected: fitting into the width constraint of the page. However, when I include one report as a subreport in the other…

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• What is the status of jQuery's multi-argument content syntax: deprecated, supported, documented?

  - by Evan Carroll

  I've never seen this in any jQuery docs I've read; nor, have I ever seen it in the wild. I just observed multi-content syntax working here with jQuery 1.4.2. Is this supported syntax? Is it deprecated? $(".section.warranty .warranty_checks :last").after( $('<div class="little check"…

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• Structure of open source project's repository

  - by hokkaido

  I'm in the beginning of starting a small open source project. When cloning the main repository one gets a complete build environment with all the libraries and all the tools needed to make an official installer file, with correct version numbers. I like the fact that anyone who wants to…

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• Which libraries use the "We Know Where You Live" optimization for std::make_shared?

  - by KnowItAllWannabe

  Over two years ago, Stephan T. Lavavej described a space-saving optimization he implemented in Microsoft's implementation of std::make_shared, and I know from speaking with him that Microsoft has nothing against other library implementations adopting this optimization. If you know for…

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• web page db query optimisation

  - by morpheous

  I am putting together a web page which is quite 'expensive' in terms of Db hits. I dont want to start optimizing at this stage - though with me trying to hit a deadline, I may end up not optimising at all. Currently the page requires 18 (thats right eighteen) hits to the db. I am…

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• How to test if a string has a certain unicode char?

  - by Ruben Trancoso

  Supose you have a command line executable that receives arguments. This executalbe is widechar ready and you want to test if one of this arguments starts with an HYPHEN case in which its an option: command -o foo how you could test it inside your code if you don't know the…

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• Find similar or "like" text and replace it with other in excel

  - by andreas

  Does anyone know how i can find similar descriptions in excel and replace them with 1 other description is there a wild card? i am. trying to make a pivot chart with a list of transactions and their descriptions and i want to group all my ATM withdrwls but i cant. On the…

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• Scheme open source projects?

  - by Ben

  Hi I'm learning scheme and was wondering if there are any active open-source projects I might be able to get involved in? I'm nearing the end of SICP and although this has good complex examples no textbook code compares to real-world applications. eg testing code /…

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