We are developing a GIS based application which simulates the real word objects (i.e. Pipes, Roads, etc) in a virtual reality environment. Currently we use ArcScene from ESRI ArcGIS package for 3D rendering, and in future we intend to replace it with our own 3D environment. Question: What is the best way to have realtime 3D rendering i...
Hi there, I'm looking for a simple way to let users define a set of rules to filter objects. Eg. let them define something like "notify me about a booking if booking date < 2009/04/30 AND value > 100.00" More or less: I'd like to have a Ruby rules engine with custom DSL. Is there a library offering that? Came across Ruleby, but it do...
Is it possible to edit an entrie's status outside the admin section? I want to be able to open and close entries from the front page. ...
im currently developing a custom search engine with built-in web crawler. for some reason im not into multi-threading, thus so far my indexer was coded in single-threaded manner. Now i have a small dilema with crawler im building, can anybody suggest which is better, crawl 1 page then index it, or crawl 1000+ page and cache then index? ...
I have a table called 'Fields' that contains application fields. In this table I store metadata for each fields (TableName, ColumnName, JoinType (inner/outer). I have something working but it's not as clean as I'd like. Has anyone tackled this before? I'm looking for some ideas around better practices. ...
I am looking into Expert Systems - just wondering if there are any good engines (commercial or open) available to facilitate development of a custom expert system (rather than building the whole thing from scratch). Any help appreciated! ...
Is there a way to use OpenID with EE? ...
I have a request from a client to integrate virus scanning into an application using the McAfee Virus Scan which they have on their server. I have done a bit of investigation and found that McScan32.dll is the main scan engine and it exports various functions that look useful. I have also found mentions of a McAfee Scan Engine SDK, but h...
I am sorry to bother you but I am facing a very inconviniet problem ... I have been browsing around your many sites about BIRT and specially for Interactivity or scripting related subjects. But (it would be sooo nice to live in a flawless world) trying to perform some examples (like this one http://kickjava.com/src/org/eclipse/birt/cha...
Hi all ! I am looking for a complete, precise and accurate documentation about Birt Chart Engine but I cant find anything, all documentations I have encountered are more Birt Designer related or inaccurate or even inexistante. I hope someone can help me... (I precise that I particularly look for a documentation about chart interactivit...
I've been trying to find out more about this problem and I'm not having much luck. I keep reading that applications should not have this error come up and although that's all fine and dandy, it doesn't tell me what can cause this error to show up. I know this question is very broad as I'm sure there can be multiple causes for this error...
For styling purposes i want to insert some dummy text on the page, but it shouldn't be getting linked to the actual content. Is there a way to block it for search engines, or do i have to use good old images for that? Or would it be possible to load it dynamically via javascript? because i heard that google will read certain amounth of...
I've looked around for a physics engine that will play nicely with Android, but I've only been disappointed. In terms of performance, I had heard that jbox2d was the best bet, but (from my understanding) ever since Android SDK V1.0, the Dalvik VM's verifier has become very strict and rejects some of the key classes and refuses to run. T...
Hello, I am curious. How would one implement the most simple audio engine ever? I have something like a stream for audio data in mind using your default audio device. Playing a lot with RtAudio, I think if one could drop some of the features, this would be possible. Someone any idea where to start? Thank you so much for reading my que...
I am searching for an open source AI engine implemented in C/C++, ActionScript or Java with no success. Do you know any open source implementation? Update: Thanks for answers! I had no idea how vast the AI field is. I am working on a sample application. I want to add intelligent behavior over a physics engine. I need some sort ai engin...
I'm creating a game engine using wxWidgets and OpenGL. I'm trying to set up a timer so the game can be updated regularly. I don't want to use wxTimer, because it's probably not accurate enough for what I need. I'm using a while (true) and a wxStopWatch: while (true) { stopWatch.Start(); <handle events> // I need a function for this g...
I want to port webkit based browser to my stack. Can anyone tell about the organisation of the webkit browser engine? Currently what i know is that it has cores for rendering html & parsing javascript. I would like to know more, like how the javascript and renderer cores interact with each other? ...
ok, im building a search engine. and the search module able to extract the relevant words. and now i have a list of words and their offset in original source text.is it a bad idea to use levenshtein distance to compute difference between the query string and the portion of source text ( begin at given word's offset and up to query string...
I was just wondering, what engines these browsers use: Firefox...Gecko? Safari...Webkit? Chrome..." " Internet Explorer...? Thanks... ...
Is it possible to create a complete client side application using HTML 5 (it will embed chat clients, stock ticker) + JavaScript, and then bundle is with underlining Firefox 3.5 engine, so that user can install it as a desktop app on Linux, and then it runs in its own window using firefox 3.5 engine. The app will store everything in loca...