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• Build Interactive Floor With Projection !?

  - by Synxmax

  Dear Guys I am somehow newbie and sometimes guru , but at this moment i don't have enough time to research My nightmare is , my boss ask me to create an interactive floor ( he just saw in an exhibition ) , he ask me to create one of them instead of buying , i am an actionscript crawler and developer with some skills in java and c# programming , i just made some track motion with a simple web cam , and this idea came to my mind if i can use an infrared or thermographic camera instead of simple camera so i can get better positioning if camera place at top of floor ! Now i just came here to ask you guys is there any resource , tip , help i can know before getting into this deal !? is there any lib or api out to deal with this ?! EVEN, if there is any resource , article from another language c++ , c , .... could help i just didn't have enough time to test lot of ways If you search interactive floors , or interactive floor projection you can find some companies who provide such a thing Thanks in advance ( and sorry for my damn poor english , français could be better :D )

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• Code Signing Identity does not match in my keychain, for mac app store developing?

  - by larntin

  hi, 1, I already download the "Apple Worldwide Developer Relations Certification Authority",and add it into my keychain. 2, My team leader already had created two Cers for Mac App store developing, I download and add it into my keychain. 3, I used two methods to sign my add, but failed all. First, add code sign section in my .xcodeproj(3.2.5). Second, I used script: productbuild --component ./bin/MAS_Release/MyApp.app /Applications --sign "3rd Party Mac Developer Application: My Company Co., Ltd." --product ./src/MyApp/MyApp-Info.plist MyApp.pkg But it failed with information: Code Signing Identity '3rd Party Mac Developer Application: My Company Co., Ltd.' does not match any valid, non-expired, code-signing certificate in your keychain. I observed that my certifications in keychain don't have small trangle. how make the small trangle absence?(when I'am importing the Cers from my Agent, it don't have the trangle absence)

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• multi-dimensional ArrayList

  - by wishi

  Hi! Just a very small question... I seem to run into too much complexity here: I have to realize an index-structure like {42, someString}. I tried: Object entry[][] = new Object[1][1]; ArrayList<Object> my_list = new ArrayList<Object>(); However that looks really strange. Isn't there a better much simpler solution to just store some Integer and a String? I need to perfrom search for the Strings and return the Integer... so I thought Collections and ArrayLists are good friends in the Java API.

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• php: simplexml exception retry

  - by exceptionhandlingnoob

  I am querying an API using SimpleXML which will occasionally fail for reasons unknown. I would like to have the script retry up to 5 times. How can I do this? I assume it has something to do with wrapping the object in a try/catch, but I'm not very experienced with this -- have tried to read the manual on exception handling but am still at a loss. Thanks for any help :) // set up xml handler $xmlstr = file_get_contents($request); $xml = new SimpleXMLElement($xmlstr); Here is the error message I am receiving: [function.file-get-contents]: failed to open stream: HTTP request failed!

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• Designing a recipe database that needs to include ingredients as well as sub-recipes

  - by VinceL

  I am designing a recipe database that needs to be very flexible as it is going to be communicating directly with our back-of-house inventory system. This is what I have so far in regards to the tables: Recipe: this table will contain the recipe date: the name, steps needed to cook, etc. Ingredients/Inventory: this is our back of house inventory, so this will have the information about each product that will be used in our recipes. Recipe Line Item: This is the tricky table, I want to be able link to the ingredients here as well as the quantity needed for the recipe, but I also need to be able to directly include recipes from the recipe table (such as marinara sauce that we make in-house), and that is why I am having trouble figuring out the best way to design this table. Basically, the recipe line item table needs to be able to link to either the ingredients table or the recipe table depending on which line item is needed and I want to know what would be the most effective way to handle that. Thank you so much in advance!

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• camera captured image default rotating with 90 degree angle.

  - by kamiomar

  Dear, currently i am using android Api 4. my camera initializing code is follow: public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { // Now that the size is known, set up the camera parameters and begin // the preview. Parameters parameters = camera.getParameters(); parameters.set("jpeg-quality", 100); parameters.set("orientation", "portrait"); parameters.set("picture-size", "320X430"); parameters.set("rotation", 0); parameters.setPictureFormat(PixelFormat.JPEG); camera.setParameters(parameters); camera.startPreview(); } i set the orientation portrait, camera preview working appropriately. but when i captured the image ,its rotating the image with 90 degree.In the landscape orientation its working perfectly. so how i can capture normal image using portrait orientation. thanks.

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• Converting old Mailer to Rails 3 (multipart/mixed)

  - by Oscar Del Ben

  I'm having some difficulties converting this old mailer api to rails 3: content_type "multipart/mixed" part :content_type => "multipart/alternative" do |alt| alt.part "text/plain" do |p| p.body = render_message("summary_report.text.plain.erb", :message = message.gsub(/<.br./,"\n"), :campaign=campaign, :aggregate=aggregate, :promo_messages=campaign.participating_promo_msgs) end alt.part "text/html" do |p| p.body = render_message("summary_report.text.html.erb", :message = message, :campaign=campaign, :aggregate=aggregate,:promo_messages=campaign.participating_promo_msgs) end end if bounce_path attachment :content_type => "text/csv", :body=> File.read(bounce_path), :filename => "rmo_bounced_emails.csv" end attachment :content_type => "application/pdf", :body => File.read(report_path), :filename=>"rmo_report.pdf" In particular I don't understand how to differentiate the different multipart options. Any idea?

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• WYSIWYG text editor in Java

  - by Aaron Digulla

  I'd like to collect all WYSIWYG text editors for Java here. Some rules for entries: There must be a link to the project/product You must state whether it's open source or commercial Is it possible to extend the editor (add new features like a "violet centered sudoku")? Is that simple or complex? Does it come with lots of features (fancy character and paragraph styles with online spell checking for several languages in the same document) or just the basics (bold, italics, no underline)? List important dependencies (does it run on bare Java with Swing? SWT? MacOS?) Your personal opinion This list should help developers determine which editor to choose. I'm not looking for "the best" but more "what's there".

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• Twitter oauth/request_token failing sometimes

  - by Techpriester

  Hello there. I'm implementing Twitters OAuth for Adobe AIR in Javascript. My problem is, that out of 100 requests to api.twitter.com/oauth/request_token about 30 fail with the usual error message: Failed to validate oauth signature and token The other 70% of requests produce a correct response, so I believe that my algorithm for signing is correct. I've read about invalid timestamps in a lot of forums and mailing lists but that is not the problem. My timestamps are correct. I also checked, if the nonces are unique, so that's not the cause either. Any ideas why this is happening?

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• iPhone YouTube Channel App

  - by pki

  What would the steps be to creating an app that connected to YouTube's XML API. Here is my setup currently but it is not working. App Delegate creates object "YTXMLParser" App Delegate calls [parser prepAndPrase]; In Prep and Parse the app initiates a NSURLConnection The app downloads the XML Data using the NSURLConnection well appeneding to NSMutableData The app parses the data with NSXMLParser At the end of each "entry" the app adds the current dictionary to the class. At the beginning of each "entry" the app creates an instance of a dictionary. Here's where i'm stuck. How do I get this data back to my app delegate?

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• [C++]Two windows fullscreen on two different screen.

  - by sirithang

  Hi! I'm actually working on an app to display an image onto a Dome. The dome projection system is constitued of two projector and a pc running a GentoO Linux and KDE, with nvidia TwinView system. Since here i've used SDL to display a fullscreen windows, and it display my app onto the two screen. But i just figured that i need to project two different images, one on each projector. That's why i search for a solution to display a fullscreen window on the first screen (projector) and another on the second. But SDL fullscreen just extend the window to the two screens. I can use any librairie (since it light and free, as i will wrap it into my small "API"), or change display setting. BTW it would be nice to have openGL support, since SDL manage only one window ^^"

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• HelpSpot to Fogbugz to HelpSpot integration

  - by James Ludlow

  Does anyone have a nice example of integration between HelpSpot and Fogbugz? We're using HelpSpot as our customer facing software and ticket management, and then if a developer needs to work on a ticket the data will be pushed to Fogbugz. Obviously we can use the Fogbugz push API that Userscape provides, but this only allows you to specify the title of the incident in Fogbugz. Ideally I want to share title, assigned to, category and status in a two-way integration. Do most people just use emails between the two programs, or has anyone come across a nice third party app? Thanks in advance!

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• C++ library for Coordinate Transformation Matrices (CTM)?

  - by BastiBense

  I'm looking for a C++ library which allows for easy integration of Coordinate Transformation Matrices (CTM) in my application. You might know CTMs from PDF or PostScript. For one project we are using C++/Qt4 as a framework, which offers a QTransform class, which provides methods like .translate(double x, double y) or .rotate(double degrees). After doing some transformations, it would allow me to get all 6 CTM values, which I could feed into a PDF library or use a transformation matrix in export files. Qt's API also allows for arbitrary mapping of polygons (QPolygon), rectangles (QRect) and other primitive data structures into transformed coordinate systems. So basically I'm looking for something similar to what Qt provides, but without the need of using Qt. I know I could do the matrix multiplications myself, but I'm not really interested in doing so, as I'm very sure that someone already solved this problem, so please no links to books or other guides on how to multiply matrices. Thanks!

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• Facebook Open Graph without a browser

  - by Hellnar

  Hello, For a middleware system with internet (which works inside a set-top box) I want to develop a primitive Facebook interface where users can type their user-names and password, showing their latest notification, messages and other casual stuff on the TV screen by using the recent Facebook Graph API. This middleware program uses Java ME to run programs (such as this simple facebook app) and it can connect to internet however it doesn't have a real web browser. Without browser it can connect to any url to retrieve the JSON response however I am not sure how to achieve authentication without a real browser. Under this circumstances, is it possible Facebook authentication? If you think so, what approach would you suggest ? Thanks

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• django-lfs upload Image doesn't work on some environment ?

  - by vernomcrp

  yesterday, after I complete setup django-lfs without buildout. Happlily create categories and products but while I upload image to product after I push upload button its stay always 'pendings'. I use fedora django==1.1.2,PIL==1.1.7. but its work on osx. Now I try on Ubuntu9.10 with completely PIL==1.1.7 and Django==1.1.2 and its won't work. Anyone hav some good solution for this ? (i may think of flash version because upload part looklike its come from flash)

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• doctrine query() params?

  - by fayer

  i created a Doctrine_Query and executes it but i wanna know what params i can pass to it. $q = Doctrine_Query::create() ->select('cl.id, cl.name') ->from('ContactList cl'); $contactLists = $q->execute($params, $hydrationMode); from the api documentation: execute($params = array(), $hydrationMode = null) where do they tell me about the params? and also hydration mode. seems like i cannot find anything in the documentations. would be great if they had a reference for everything. thanks

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• Read Text From Windows Form

  - by omghai2u

  I would like, if for no other reason that an academic exercise, to be able to read text written to a form on a Windows Application. The program appears to be written in non-.NET, but in .NET terms, I think you would describe the program as having a Form with a Label and I would like to read the text from that label. I believe I can see that text being written to the screen with the User32!TextOut (and in other areas User32!DrawString) function. However, it would be nice if I didn't have to hook that function to get the information I'm looking for, but instead if I could just read it from the form directly. So, given a handle to a Window, is it possible to read the text that has been written to that window with functions like TextOut and DrawString using some similar API or other clever means? Or am I going about this the wrong way? Should I just hook the function and look for the text in every call and pray? Thanks!

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• How does Maven find a Artifact in a remote repository?

  - by Thomas

  I'm trying to create a maven plugin to generate a file with the URL to all the dependencies in a project. I have been able to get the dependencies and their artifact, but I'm having trouble getting the download URL. Using ArtifactResolver and ArticateMetadataSource I get some of the artifact information. However I fail to get all the information for all the dependencies. I haven't been able to find documentation on the resolution logic, so that I can call it form my plugin. I can use an ArtifactResolver to download the artifact, but what I really wanted was just the URL. The Maven Artifact API has a a method called getDownloadURL (see http://maven.apache.org/ref/2.0.4/maven-artifact/apidocs/org/apache/maven/artifact/Artifact.html). However I cant seem to find a way to get a real value into it. I always get a null value. Is there a way to have it resolved (downloading or not) and get the URL for where the file came from?

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• Turn Bluetooth On and Off in Andriod 1.5 (SDK level 3)?

  - by pcm2a

  There are tons of pay and free bluetooth toggles on the market that work with Android 1.5 (SDK level 3). The problem is there is no visible API for this! Does anyone have any working code snippits on how to enable and disable bluetooth that works on Android 1.5? I assume you must have to use some kind of reflection for it. There are some examples over on anddev.org, but they only work with Android 1.1 or lower. This is for Android 1.5 (SDK level 3) and not Android 2.0 or greater. In Android 2.0 or later Google added easy to use APIs.

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• Which is the most supported programming language for the iPhone?

  - by Shervin

  Hi. I have decided to start programming some apps for the iPhone that eventually will get submitted to App Store. So I have to use a language the Apple supports. However, from what I understand, there are some variety of languages I can choose from. Ansi C Objective C C C++ I started learning C++ in school back in 2001, so maybe I should use that. However, I would like to use the language that is most supported API and community wize. Which one is that?

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• business object and codelist

  - by feiroox

  Hi How to design a business object? I have a library which returns me an Object which have ten lists of other different objects. I need to store it into database all. List of objects are often like: class Item { private int id; private String name; private double point; } But the name is often the same. Like basic title of the product or code. Containing from 3 characters up to 70characters. Should I make conversion for every Object to: (or something similar) class ConvertedItem { private int id; private int code; private double point; } And have a separated table of codes ( I guess around 60). Or do not bother with duplicated stuff? It's not mission critical app. What would you do in my case? thanks in advance

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• Smarty iteration: is there a similar function when not in a foreach loop?

  - by Kyle Sevenoaks

  Hi, I'm trying to add a JS fly to basket plugin to the site I'm working on, but the plugin needs unique productID numbers, is there a way to iterate this in Smarty when not in a foreach loop? Something like: {$smarty.foreach.foo.iteration} Here's the code I need to itrate: <span id="slidingProd57404045"> <a href="{link controller=order action=addToCart id=$product.ID returnPath=true}" rel="nofollow" class="addToCart" title="Bestill" onclick="addToBasket(57404045); return false;" id="fly_to_basket">&nbsp;</a> </span> The 57404045 needs to be iterated. Thanks.

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• HTML 5 drag-drop into wysiwyg editor in Firefox

  - by einarq

  I have a wysiwyg editor using the HTML 5 drag-drop api to allow the user to place widgets within the page they are editing. When the OnDrop event fires, I prevent the default event, and insert some html within the editor that represents the widget they inserted. I use execCommand("inserthtml", false, html) for this in Firefox. This works fine in IE, but in Firefox the html is not placed in the location where it was dropped. It always gets placed in the location where the previous selection was, which leads me to believe that cancelling the OnDrop event to override the default drop also cancels the selection change. Any ideas on how to solve this? Thanks!

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• Good code architecture for this problem?

  - by RCIX

  I am developing a space shooter game with customizable ships. You can increase the strength of any number of properties of the ship via a pair of radar charts*. Internally, i represent each ship as a subclassed SpaceObject class, which holds a ShipInfo that describes various properties of that ship. I want to develop a relatively simple API that lets me feed in a block of relative strengths (from minimum to maximum of what the radar chart allows) for all of the ship properties (some of which are simplifications of the underlying actual set of properties) and get back a ShipInfo class i can give to a PlayerShip class (that is the object that is instantiated to be a player ship). I can develop the code to do the transformations between simplified and actual properties myself, but i would like some recommendations as to what sort of architecture to provide to minimize the pain of interacting with this translator code (i.e. no methods with 5+ arguments or somesuch other nonsense). Does anyone have any ideas? *=not actually implemented yet, but that's the plan.

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• Using the .where method in Rails3

  - by Elliot

  Hey Guys, I've just started using the .where method, and I'm a little bit confused about how to fully utilize it. I'd like to do something like: @books = Book.where(:author_id => 1 || 2) clearly I know that doesn't work, but I'm trying to demonstrate that I want some extra logic here. some "or" "and" "does not equal" etc. Any ideas for where I can research this? I was looking in the rails API but I didnt see anything that was that helpful. Thanks!

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