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• How do I obtain a code point integer from a 1 to 4 byte UTF-8 encoded sequence in Windows?

  - by Patrick Niedzielski

  Hello, I am Patrick Niedzielski, a programmer for the Free Software 3D adventure game Humm and Strumm. I'm working on a minimal Unicode character class in C++. I currently have an array of four bytes representing a UTF-8 sequence. On GNU/Linux, I can just convert to UTF-32 with iconv(), but on Windows, I cannot do this. Is it possible to convert the array to a single code point? Thanks, Patrick

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• Does mixing Quartz and OpenGL-ES cause big performance degrade??

  - by Eonil

  I have a plan to make a game using OpenGL for 3D world view, and CALayer(or UIView) for HUD UI. It's easy to imagine performance degrade from mixing them, but the document which mention this impact disappeared: http://developer.apple.com/iphone/library/technotes/tn2008/tn2230.html I cannot find the document on current version of SDK reference. And I got this document: http://gamesfromwithin.com/gdc-2010-the-best-of-both-worlds-using-uikit-with-opengl If you experienced about this, please let me know about performance impact on current SDK.

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• Detect marker with opencv and python

  - by Mitch

  Hi im trying to detect a marker in a webcam video feed and overlay it with a 3d object - pretty much exactly like this: http://www.morethantechnical.com/2009/06/28/augmented-reality-with-nyartoolkit-opencv-opengl/ i know artoolkit is the best module for this, but i was hoping to just use opencv in python since i dont know nearly enough c/c++ to be able to use artoolkit. im hoping someone will be able to get me on the right track towards detecting the marker and determining its location and orientation etc since i have no idea how best to go about this or what functions i should be using thanks mitch

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• Where can I find an iPhone OpenGL ES Example that responds to touch?

  - by Jamey McElveen

  I would like to find an iPhone OpenGL ES Example that responds to touch. Ideally it would meet these requirements: Displays a 3D object in the center of the screen like a cube Maps a texture to the cube surfaces Should move the camera around the cube as you drag your finger Should zoom the camera in and out on the cube by pinching Optionally has a background behind the cube that wraps around the back of the camera.(for example this could create the effect of the cube being in space) Has anyone seen one or more examples that can do these or at least render the cube with the texture?

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• Single Instance Storage layers

  - by Moo

  Hi, I have a data storage requirement which is an excellent candidate for single instance storage and deduplication. Can anyone suggest any .Net compatible libraries or systems which handles SIS and deduplication, either with SQL Server as an actual back end or its own high performance storage engine? What have peoples experiences been with such engines, and are there any pit falls to watch out for? Regards Moo

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• sprintf in Delphi?

  - by kroimon

  Hi there! Does anyone know a 100% clone of the C/C++ printf for Delphi? Yes, I know the System.Format function, but it handles things a little different. For example if you want to format 3 to "003" you need "%03d" in C, but "%.3d" in Delphi. I have an application written in Delphi which has to be able to format numbers using C format strings, so do you know a snippet/library for that? Thanks in advance!

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• javascript library for client side storage with server side sync

  - by user126861

  I'm looking for a javascript library that will let me store data in a client side database and in the back ground automatically sync the database back to the server's database preferable something that supports a variaty of engines in the same way jStore for jQuery does Looking around I can find anything

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• Saddle roof algorithm

  - by user115621

  Hello, I have map (openstreetmap project) with many buildings. Each building is a polygon. How can I make saddle roof parts polygons for every building outline? Algorithm should transform one polygon in 2D to set of polygons in 2D (or 3D). Reason for this transformation is visualization - better rendering isometric view. For example (shading isn't important): Thanks

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• Codeigniter multilanguage and adding the language to the url for seo

  - by Jayapal Chandran

  Hi, I read this http://stackoverflow.com/questions/1328420/the-best-way-to-make-codeigniter-website-multi-language-calling-from-lang-arrays for language inclusion... i wonder how the url will appear for multi languages... How to show the language in url so that it will also be indexed in search engines... for example sitenameDOTcom/es or sitenameDOTcom/whoweare/es or something like this and how to sync with the controllers and the urls...

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• How is parsing phase in a compiler different from a rule engine ?

  - by abhinav

  Hi, I have a rough understanding of how the compilers work (I mean languages, grammars, lexical analysis, parsing etc). The rule engines have various rules and associated action, just like you have rules in the grammars and you can associate actions with them in parser-generator tools like ANTLR. So I am a bit confused on how to differentiate between these two. Could anyone give a clearer, more formal explanation for the differences ? Thanks, Abhinav.

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• Map API with Building Elevation

  - by Laserallan

  Hi! I'm looking for a map API where I can get detailed elevation for points. I'm not looking elevation differences for certain paths along roads on the map but actual building heights. Getting the the 3d meshes for buildings would also be fine since I can compute the height myself using that information. Does any of the map API's out there support giving out this kind of information?

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• Does redirecting from http://domain.com to http://www.domain.com Avoids Duplicate Content On Google?

  - by Axel

  Hi, I heared that if i don't redirect the user from http://domain.com to http://www.domain.com it will causes duplicate content of my website on google & other search engines, is that happening? and What is the Mod rewrite Syntax to do it through .htaccess ? Thanks

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• What does JSLint's "Bad Escapement" mean in this case?

  - by karlthorwald

  I thougth "bad escapement" stands for wrong use escaping with slash. Why does JSLint bring up the message in this function on the 3d line (for...) ? function splitTags(commaSeparated) { var tagArray = commaSeparated.split(','); for (var i=tagArray.length - 1; i>=0; --i ){ tagArray[i] = f.trim(tagArray[i]); } return tagArray; }

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• How do I set GIT to use Plink.exe

  - by Terminal58

  I'm trying to configure Git to use Plink, now for some reason this option isn't available to me http://s3.amazonaws.com/Devlicious/CommunityServer.Blogs.Components.WeblogFiles/sergio_pereira/2009/05/msysgit-2.png?AWSAccessKeyId=0KMA35HT86EVXB99Z302&Expires=1275854459&Signature=D%2bkwVkPK93Zfw3h3tcH5ivOt3/0%3d I tried uninstalling and reinstalling Git a hundred times I can't get to this option

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• Text to speech on iPhone

  - by lostInTransit

  Hi Is there any way we can convert text to speech in an iPhone app? Is it possible using the SDK? Thanks Are there any third-party TTS engines available for the iPhone? (AFAIK Acapela is not yet released)

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• iPhone Game Developers - What does your toolchain look like?

  - by slf

  For example: source control: git + adobe drive 3d: google sketchup - *.dae - blender - *.obj 2d: photoshop/illustrator - *.png audio: audacity - *.caf code: ArgoUML, Xcode, Textmate test: OCUnit build: rake, Xcode Feel free to mention any other tools that you think are awesome :) Changed to Community Wiki

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• SQLite is the CASE statement expensive?

  - by galford13x

  I'm wondering if using a CASE statement in SQLite (or other SQL engines) to replace data is not advised. For example lets say I have a query. SELECT Users, CASE WHEN Active = 0 THEN 'Inactive' WHEN Active = 1 THEN 'Active' WHEN Active = 2 THEN 'Processing' ELSE 'ERROR' AS Active FROM UsersTable; When is it better to create a reference table and perform a JOIN. In this case I would create a Table 'ActiveStatesTable' with ActiveID, ActiveDescription and perform the JOIN.

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• C++/STL: std::transform with given stride?

  - by Arman

  Hello, I have a 1d array containing Nd data, I would like to effectively traverse on it with std::transform or std::for_each. unigned int nelems; unsigned int stride=3;// we are going to have 3D points float *pP;// this will keep xyzxyzxyz... Load(pP); std::transform(pP, pP+nelems, strMover<float>(pP, stride));//How to define the strMover?? Kind Regards, Arman.

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• Real time complex raster image morphing in Flash CS4

  - by cosmorocket

  Is there a way to load an image from some url or a local folder and then make some complex morphing to it in real time? For example, I have a vector animated pseudo 3D paper in my project that, for example, is being flipped different ways. Then I want to place some image inside that paper box and want to morph that image accordingly to the box form changes or at least make it look more realistically, not exactly the same as the paper box. Thanks.

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• Can i use jmonkeyengine on android?

  - by Ralf

  Hi, i', trying to make a simple 3d game for android, and i want to use jmonkeyengine, Can i do this? How can i do it? Someboy can show me an example? thanks!!!

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• Qt4 2D Game Engine

  - by Tristan Seifert

  Are there any 2-D Game Engines for Qt4 out there? I want a game engine that has collision detection, and runs smoothly with lots of sprites on screen.

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• How to implement translation & rotation widgets for game level editor.

  - by Rushi

  I am developing game editor.To detect mouse hit on 3D model I am using mouse picking concept. But I want to implement translation & rotation widgets like other game editor with actual arrows at the center of model in three direction. How to achieve this..?

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• Grayscale in matlab

  - by ruthenium

  I'm trying to convert a 2D array to grayscale but using mat2gray doesn't do anything and imshow() appears to create a binary image that when I graph I cannot rotate it, e.g. the original array is 2d but maps in 3d. So, what is the best way to take a grayscale of 2d array in Matlab so if you have A=rand(5,10) or something and want to take a grayscale of that, what is the best way?

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• MSN like box for Ad rotation.

  - by Muhammad Umar Siddique

  Hi Everyone. I want to create a JavaScript based box much like the one found on MSN or AOL with the navigational buttons. Box content must be spider-able by search engines. On MSN you can find the box near top left corner. Note this box contains links and images. Any idea how to implement this ? Thanks.

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• Multilanguage website sitemap

  - by Alex

  My site is i18n based on the following structure: mydomain.com/en mydomain.com/en/product/blue-widgets mydomain.com/fr mydomain.com/fr/product/blue-widgets The site is internationalised not localised, therefore i don't want to GEO target specific locals just target "french" or "english" speaking users. When submitting a sitemap to the search engines should i send one sitemap with links to all the different language versions or have one separate sitemap for each language. Is that even possible?

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