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  • Camera and Image recognition

    - by kjh
    I recently watched a youtube video where a guy got a camera to recognize when a rubik's cube was held up to it, and it captured the 9 square color combination before snapping a picture of the cube and displaying the 3x3 grid on the screen of his computer. What kind of programming is this and where would I start reading to get into this sort of thing? specifically, controlling a camera, and getting it to pick out certain parts of an image and translate that data.

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  • learn ia32 for C

    - by David Lee
    I am trying to translate the following: Action: pushl %ebp movl %esp, %eax subl $32, %esp movl $0, -8(%eax) movl $0, -4(%eax) movl -4(%eax), %eax cmpl 32(%eax), %ebp movl -4(%ebp), %eax sall $2, %ebp addl 8(%ebp), %ebp movl (%ebp), %ebp addl %ebp, -8(%eax) addl $1, -4(%eax) What is the best way to learn assembly and translating this code?

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  • Classes to Entities; Like-class inheritence problems

    - by Stacey
    Beyond work, some friends and I are trying to build a game of sorts; The way we structure some of it works pretty well for a normal object oriented approach, but as most developers will attest this does not always translate itself well into a database persistent approach. This is not the absolute layout of what we have, it is just a sample model given for sake of representation. The whole project is being done in C# 4.0, and we have every intention of using Entity Framework 4.0 (unless Fluent nHibernate can really offer us something we outright cannot do in EF). One of the problems we keep running across is inheriting things in database models. Using the Entity Framework designer, I can draw the same code I have below; but I'm sure it is pretty obvious that it doesn't work like it is expected to. To clarify a little bit; 'Items' have bonuses, which can be of anything. Therefore, every part of the game must derive from something similar so that no matter what is 'changed' it is all at a basic enough level to be hooked into. Sounds fairly simple and straightforward, right? So then, we inherit everything that pertains to the game from 'Unit'. Weights, Measures, Random (think like dice, maybe?), and there will be other such entities. Some of them are similar, but in code they will each react differently. We're having a really big problem with abstracting this kind of thing into a database model. Without 'Enum' support, it is proving difficult to translate into multiple tables that still share a common listing. One solution we've depicted is to use a 'key ring' type approach, where everything that attaches to a character is stored on a 'Ring' with a 'Key', where each Key has a Value that represents a type. This works functionally but we've discovered it becomes very sluggish and performs poorly. We also dislike this approach because it begins to feel as if everything is 'dumped' into one class; which makes management and logical structure difficult to adhere to. I was hoping someone else might have some ideas on what I could do with this problem. It's really driving me up the wall; To summarize; the goal is to build a type (Unit) that can be used as a base type (Table per Type) for generic reference across a relatively global scope, without having to dump everything into a single collection. I can use an Interface to determine actual behavior so that isn't too big of an issue. This is 'roughly' the same idea expressed in the Entity Framework.

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  • How to Send Headers Through PHP Proxy?

    - by blabus
    Okay, so I have an issue with an AJAX request. I currently have this URL: http://www.google.com/images?hl=en&safe=off&gbv=2&tbs=isch%3A1&sa=1&q=cars+imagesize%3A500x500&aq=f&aqi=&aql=&oq=&gs_rfai=&start=0 I then pass it to my proxy script by modifying the string to this: proxy.php?url=http://www.google.com/images?hl=en&safe=off&gbv=2&tbs=isch%3A1&sa=1&q=cars+imagesize%3A500x500&aq=f&aqi=&aql=&oq=&gs_rfai=&start=0 I need to use the PHP proxy script to grab that page's HTML so that I can then parse through it with javascript. However, the problem is that the headers in that URL are also being sent to the proxy script, and as a result, I get a 'malformed or illegal request' error. I'm pretty sure the two different sets of headers are the problem, because if I just replace the original URL string with 'http://wwww.google.com', the proxy returns the HTML of the page correctly. So basically, I don't know how to fix this. I'm a complete PHP noob, and I tried escaping the original URL before I appended it to the 'proxy.php?url=', but that doesn't fix anything. Any ideas? Thanks!

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  • Is there a way to detect when a WSS default.aspx page is updated?

    - by Alan
    That is detect when the user makes web part changes and selects to exit editing the page. I want to be able to capture a page event, then create a SharePoint task to instruct a user to translate that page to another language (note that MOSS and variations is not an option because the client wants to use the free version of SharePoint). So the customer wants essentially the same WSS site in multiple languages.

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  • Theory: Can JIT Compiler be used to parse the whole program first, then execute later?

    - by unknownthreat
    Normally, JIT Compiler works by reads the byte code, translate it into machine code, and execute it. This is what I understand, but in theory, is it possible to make the JIT Compiler parses the whole program first, then execute the program later as machine code? I do not know how JIT Compiler works technically and exactly, so I don't know any feasibility in this case. But theoretically, is it possible? Or am I doing it wrong?

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  • Is there a Scheduler/Calendar JS Widget library?

    - by Ravi Chhabra
    I am looking for some JavaScript based component to be used as a course scheduler which would be a cross between Google Calendar and the login time. I do not know if the right term for this is Course Scheduler but I shall describe this in more detail here. Course Scheduler The widget would be used to enter date and times of a course, as an example if I run a programming course 3 days a week on Mon, Tue and Wed every 7:00 am to 9:00am, 2 hours every day from 1st September to 30th November. I could answer various questions and the course data would be displayed in the calendar. It would also allow for non pattern based timings where each week is different from the other week etc. Question So would I end up creating something from scratch? Would it be sensible to use Google Calendar API for this? I did a Google search for some widgets, but I believe I need better keywords, as I could not find anything close to what I am looking for. Any tips? Commercial libraries would also work for me. Thanks.

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  • Read next word in java

    - by ArtWorkAD
    Hi, I have a text file that has following content: ac und accipio annehmen ad zu adeo hinzugehen ... I read the text file and iterate through the lines: Scanner sc = new Scanner(new File("translate.txt")); while(sc.hasNext()){ String line = sc.nextLine(); } Each line has two words. Is there any method in java to get the next word or do I have to split the line string to get the words?

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  • What's the best way to tell if the mouse is over a form or not?

    - by cyclotis04
    I figured out how to capture mouse clicks over the entire form, but this method doesn't translate well for MouseEnter and MouseLeave. My form layout is made up from many Panels and TableLayoutPanels so there's no all-encompassing control I can monitor events for, and obviously a MouseLeave event for a button doesn't mean the cursor left the entire form. Has anyone figured out a good way to get around this?

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  • Tile map collision detection

    - by hero
    There are many topics like this, but none with concrete answers. I am drawing a tile-map in the traditional way (two for loops) and keeping my player centered except when the edges of the map is reached. How would I create collision detection? I need to know how to translate tile location in the array to screen coordinates I think.

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  • POD multilanguage documentation

    - by ZyX
    Is there any way to write multilanguage documentation using POD? If no, what should I write it in (I already have POD documentation in English, so I will want to convert it and then translate)?

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  • set a cookie while sending PERL HTTP::Request

    - by dexter
    i have created HTTP::Request which looks like this: #!/usr/bin/perl require HTTP::Request; require LWP::UserAgent; $request = HTTP::Request->new(GET => 'http://www.google.com/'); $ua = LWP::UserAgent->new; $ua->cookie_jar({file => "testcookies.txt",autosave =>1}); $response = $ua->request($request); if($response->is_success){ print "sucess\n"; print $response->code; } else { print "fail\n"; die $response->code; } now, When i send Request: $request = HTTP::Request->new(GET => 'http://www.google.com/'); $ua = LWP::UserAgent->new; $ua->cookie_jar({file => "testcookies.txt",autosave =>1}); i want to set a cookie which might look like.. $request = HTTP::Request->new(GET => 'http://www.google.com/'); $ua = LWP::UserAgent->new; $ua->new CGI::Cookie(-name=>"testCookie",-value=>"cookieValue"); $ua->cookie_jar({file => "testcookies.txt"}); gives error though. AND, want to log the http response codes in the file please help thank you

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  • I want to request JSON inside of a WordPress page.

    - by gnucom
    Hello Everyone, For the last few hours I've been trying to set up this http://code.google.com/apis/books/docs/dynamic-links.html on a WordPress blog. Google's API sends back a JSON response (which is supposed to be "put" into _GBSBookInfo variable). However, that variable never is assigned so my javascript callback function explodes saying the variable doesn't exist. So far, all of my javascript is in the WordPress header. I tried this outside of WordPress and it works fine. This is the static page: <script src="http://books.google.com/books?bibkeys=0307346609&jscmd=viewapi&callback=response_handler"> This is the handler: function response_handler(data) { var bookInfo = _GBSBookInfo["0307346609"]; // the var that doesn't exist document.getElementById("test123").innerHTML = bookInfo.thumbnail_url; } Thanks for any help in advance, WordPress has been extremely frustrating by limiting so much! If I'm doing anything stupid please say so, I'm a new javascript programmer. EDIT: I've used firebug so far to identify the problem to be: the _GBSBookInfo variable never gets "created" or "exists". I'm not sure how javascript works at this level. Hopefully this helps. ERRORS: Error: _GBSBookInfo is not defined Line: 79

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  • How do I convert this Crystal Report IF statement for use in a WHERE clause in Reporting Services?

    - by Spacehamster
    I'm trying to translate this Crystal Reports IF Statement for use in a WHERE clause - {@receipt_datetime_daylight} in {?DateRange} and (if {?Call Sign} = "All Call Signs" Then {cacs_incident_task.resource_or_class_id} = {cacs_incident_task.resource_or_class_id} Else If {?Call Sign} = "All Sierra Call Signs" Then {cacs_incident_task.resource_or_class_id} in ["S10", "S11", "S12"] Else If {?Call Sign} = "All Whiskey Call Signs" Then {cacs_incident_task.resource_or_class_id} in ["W01", "W02", "W03"] Else {cacs_incident_task.resource_or_class_id} = {?Call Sign}) and (if {?OffenceType} = "All Offences" Then {cacs_inc_type.description} = {cacs_inc_type.description} else {cacs_inc_type.description} = {?OffenceType}) CASE statements don't work in Reporting Services, so I need to find a why of translating this into a WHERE clause. Does anyone know a way?

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  • How do I Store / Access Translations Efficiently?

    - by Gilbert
    I am trying to translate some of the phrases of my website into various languages. so, in my database, I have a table with rows of ID//text//dest_language//text_in_dest_language At the moment, I retreive each translation one by one: get text_in_dest_language where text="Hello World" and dest_languge="zh" This results in 40-50 db calls per page, which, on the app engine, is rather slow. What can I do to mitigate this slowdown?

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  • Silverlight 4 business application themes

    - by David Brunelle
    Hi, We are starting a new SilverLight 4 Business Application project and are looking for theme. All we can find on the web are Navigation Application themes, which when applied to business application project, don't work. Most even have compilation errors. Is there a place on the web to get theme specifically for that project or is there a way to translate navigation application theme into business application theme? Thank you

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  • Objective-C DOM XML parser for iPhone

    - by phunehehe
    Hello guys I'm looking for a way on the iPhone to parse an XML document using DOM. I have been using SAX with NSXMLParser but now I really want a DOM tree (or anything that can quickly translate the XML document into an NSDictionary) Thanks for any help

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  • What is your favorite API developer community site? And why? [closed]

    - by whatupwilly
    There are a lot of great sites out there that offer good documentation, tools, tips, best-practices, sample code, etc. for the API's they are publishing. A sample: http://apiwiki.twitter.com http://developer.netflix.com/ http://developers.facebook.com/ https://affiliate-program.amazon.com/gp/advertising/api/detail/main.html http://code.google.com/ http://remix.bestbuy.com/ http://www.flickr.com/services/api/misc.overview.html http://products.wolframalpha.com/api/webserviceapi.html There are some no-brainers that I think a good developer site should have: Hi level introduction Quick start guide API specific details - showing example request and responses Links to sample code and/or 3rd party libraries Developer registration (e.g. get an API key) Blog But what about some other things: Online-Forum or Msg Board vs. Google Group (or similar) Galleries/ShowCases - spotlighting great apps built on the API - who has done nice galleries? Community Wiki - How do people feel about letting the community have edit rights on API documentation pages Online testing tools (like Facebook has a lot of nice interactive tools to simulate request/responses) What are some packages that you would recommend to put this all together: pbwiki Google Group pages MediaWiki API vendor package such as Sonoa Systems that offers a customizable developer portal So, to summarize: What are some other great API developer portals out there What are some nice features you like on them Any recommendations on what to use to build these features out Thanks, Will Zappos.com Public API (soon to launch) Product Manager

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  • How to redirect page

    - by sharun
    Hi i created one java application in which i tried to open my company's standard login page and i planned to redirect the link to open my own design page. Standard login page is displayed, instead of going to my own design page as usual its going to mail page. After sign out the mail page i'm gettting my own design page. But my need is, when i sign in the standard login page it should diplay my own design page. Is it possible? Please Help me. And this is code that i followed import java.io.IOException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.google.appengine.api.users.UserService; import com.google.appengine.api.users.UserServiceFactory; import com.google.appengine.api.users.User; public class New extends HttpServlet { /** * */ private static final long serialVersionUID = 1L; public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException { resp.setHeader("Cache-Control", "no-store, no-cache, must-revalidate"); resp.setContentType("text/html"); UserService userService = UserServiceFactory.getUserService(); User user = userService.getCurrentUser(); if (user != null) { if(user.getEmail().equals("[email protected]")) { resp.getWriter().println("done"); resp.sendRedirect("/login.jsp"); } else { resp.getWriter().println("Hello, " + user.getNickname()+"<br>"); resp.getWriter().println("Thanks for your interest. But this application is still not available to everybody."); resp.getWriter().println("<a href="+UserServiceFactory.getUserService().createLogoutURL(userService.createLoginURL(req.getRequestURI()))+">Log out</a>"); } } else { resp.sendRedirect(userService.createLoginURL("http://mail.yyy.edu.in")); } } } Thanks in advance Regards Sharun.

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  • what is the best way to analyze user raw query and detect what who want to search

    - by Sadegh
    hi, i am developing a very basic prototype of web search engine and now i want to know what is the best way to analyze user raw query and detect what who want to search. like Google, Bing, Yahoo etc... an example user query is something like this: Google+Maps+"South+Africa"+Brasil+OR+Italy+OR+Spain+-Argentina+Netherland and i want to splite this to a generic list of each term(single) like this: IEnumerable<KeyValuePair<TermType, string>> <TermType.All, "Google"> <TermType.All, "Maps"> <TermType.Exact, "South"> <TermType.Exact, "Africa"> <TermType.Any, "Brazil"> <TermType.Any, "Italy"> <TermType.Any, "Spain"> <TermType.None, "Argentina"> <TermType.None, "Netherland"> i don't want complete code, i want guidance, solution, tips or anything that's help me to write best for anylize user raw query. thanks in advance

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  • How to efficently build an interpreter (lexer+parser) in C?

    - by Rizo
    I'm trying to make a meta-language for writing markup code (such as xml and html) wich can be directly embedded into C/C++ code. Here is a simple sample written in this language, I call it WDI (Web Development Interface): /* * Simple wdi/html sample source code */ #include <mySite> string name = "myName"; string toCapital(string str); html { head { title { mySiteTitle; } link(rel="stylesheet", href="style.css"); } body(id="default") { // Page content wrapper div(id="wrapper", class="some_class") { h1 { "Hello, " + toCapital(name) + "!"; } // Lists post ul(id="post_list") { for(post in posts) { li { a(href=post.getID()) { post.tilte; } } } } } } } Basically it is a C source with a user-friendly interface for html. As you can see the traditional tag-based style is substituted by C-like, with blocks delimited by curly braces. I need to build an interpreter to translate this code to html and posteriorly insert it into C, so that it can be compiled. The C part stays intact. Inside the wdi source it is not necessary to use prints, every return statement will be used for output (in printf function). The program's output will be clean html code. So, for example a heading 1 tag would be transformed like this: h1 { "Hello, " + toCapital(name) + "!"; } // would become: printf("<h1>Hello, %s!</h1>", toCapital(name)); My main goal is to create an interpreter to translate wdi source to html like this: tag(attributes) {content} = <tag attributes>content</tag> Secondly, html code returned by the interpreter has to be inserted into C code with printfs. Variables and functions that occur inside wdi should also be sorted in order to use them as printf parameters (the case of toCapital(name) in sample source). I am searching for efficient (I want to create a fast parser) way to create a lexer and parser for wdi. Already tried flex and bison, but as I am not sure if they are the best tools. Are there any good alternatives? What is the best way to create such an interpreter? Can you advise some brief literature on this issue?

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  • 503 server response for Googlebot

    - by Hallik
    I put an .htaccess file in my webroot with the following contents RewriteBase / RewriteCond %{HTTP_USER_AGENT} ^.*(Googlebot|Googlebot|Mediapartners|Adsbot|Feedfetcher)-?(Google|Image)? [NC] RewriteRule .* /var/www/503.html This website is in maintenance mode, and I don't want anything indexed yet. I tested the code with a firefox User-Agent switcher plugin, and looking at the access log it shows this at the end of each log entry, but watching in TamperData or Firebug, it still returns a 200 server response instead of a 503. What am I doing wrong? "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)" contents of /var/www/503.html <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2//EN"> <html> <head> <title>503 - Service temporary unavailable</title> </head> <body> <h1>503 - Service temporary unavailable</h1> <p>Sorry, this website is currently down for maintainance please retry later</p> </body> </html> I get this in my error log. LogLevel debug, would that go into the vhost in a specific place? Every answer I see on google is something different. Request exceeded the limit of 10 internal redirects due to probable configuration error. Use 'LimitInternalRecursion' to increase the limit if necessary. Use 'LogLevel debug' to get a backtrace.

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