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• Using Windows media foundation

  - by Martin Beckett

  Ok so my new gig is high performance video (think Google streetview but movies) - the hard work is all embedded capture and image processing but: I was looking at the new MS video offerings to display content = Windows Media Foundation. Is anyone actually using this ? There are no books on the topic. The only documentation is a developer team blog with a single entry 9 months old. I thought we had got past having to learn an MS api by spying on the com control messages! Is it just another wrapper around the same old activeX control?

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• Using clojure.contrib functions in slime REPL

  - by Tyler

  I want to use the functions in the clojure.contrib.trace namespace in slime at the REPL. How can I get slime to load them automatically? A related question, how can I add a specific namespace into a running repl? On the clojure.contrib API it describes usage like this: (ns my-namespace (:require clojure.contrib.trace)) But adding this to my code results in the file being unable to load with an "Unable to resolve symbol" error for any function from the trace package. I use leiningen 'lein swank' to start the ServerSocket and the project.clj file looks like this (defproject test-project "0.1.0" :description "Connect 4 Agent written in Clojure" :dependencies [[org.clojure/clojure "1.2.0-master-SNAPSHOT"] [org.clojure/clojure-contrib "1.2.0-SNAPSHOT"]] :dev-dependencies [[leiningen/lein-swank "1.2.0-SNAPSHOT"] [swank-clojure "1.2.0"]]) Everything seems up to date, i.e. 'lein deps' doesn't produce any changes. So what's up?

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• What is the correct way to specify dimensions in DIP from Java code ?

  - by Pavel Lahoda

  Trying to digest docs about design Multiple resolutions (http://d.android.com/guide/practices/screens_support.html#dips-pels) I found that it is possible to set dimensions of my interface elements in XML layouts using DIPs as in following fragment : "android:layout_width="10dip" But all Java interface takes integer as arguments and there is no way to specify dimensions in DIPs. What is the correct way to calculate this ? I figured that I have to use property density of DisplayMetrics class but is this a correct way ? May I relly that formula : pixels * DisplayMetrics.density = dip is always correct ? Will there be API in DIPs for Java ?

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• Bouncy Castle, RSA : transforming keys into a String format

  - by Rami W.

  Hi, iam using RSA(Bouncy Castle API) in my c# porject. Igenerated the keypair with this method RsaKeyPairGenerator r = new RsaKeyPairGenerator(); r.Init(new KeyGenerationParameters(new SecureRandom(), 1024)); AsymmetricCipherKeyPair keys = r.GenerateKeyPair(); AsymmetricKeyParameter private_key = keys.Private; AsymmetricKeyParameter public_key = keys.Public; now i want to save them in txt file but the problem is that i can't convert them to a string format. i read in another post that keys must be serialized using PrivateKeyInfo k = PrivateKeyInfoFactory.CreatePrivateKeyInfo(private_key); byte[] serializedKey = k.ToAsn1Object().GetDerEncoded(); Is it the right way ? if yes, what should i do after this ? just convert them from byte[] to String ? thx for any help.

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• OLE Component viewer find out it's id

  - by Ageis

  Hi I'm trying to run an app thats designed for windows using wine. It's an reimplementation of the windows api. I'm getting these OLE errors so I was wondering if there's a way I can find out what's missing. err:ole:ITypeInfo_fnInvoke did not find member id -518, flags 0x4! err:ole:ITypeInfo_fnInvoke did not find member id -517, flags 0x4! Any help is greatly appreciated! By the way it's windows xp computer I'll be trying to extract the info from

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• Jersey message body reader not found in maven-built JAR

  - by Olvagor

  My application uses a REST (JAX-RS Jersey) interface. When I run it in Eclipse, everything' s fine. The domain objects are annotated, I'm not using XML files for the REST mapping. Now I created a standalone JAR using the maven-assembly-plugin, which packs the application and all dependencies in a single, executable JAR file. This also seems to work. But when I start the application and request an object from the server, Jersey complains, that it can't find a message body reader: com.sun.jersey.api.client.ClientHandlerException: A message body reader for Java type, class de.rybu.atuin.core.entity.User, and MIME media type, application/json, was not found Any ideas why this happens? EDIT: After I slept a night over it, I noticed that it complains about JSON... but I'm using only XML for serialization. Strange.

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• What kinds of job scheduler framework or solution do you recomend on window server system

  - by Samuel.P

  Hi Guys My Company is running a lots of batch jobs to process data for partners. We used to use sql server agent to execute batch process. I found it's very difficult to get batch process information like log or status when i working on sql server's agent. So I'd like to change my company's job scheduling process to another stable solution But I dind't know which solutions to choose. I tried to find as same solution as CA Autosys. My Company use window server system. We shoud consider framework or solution should be configured using solution's api because i plan to make a asp.net web application to manage our job shceduler. What kinds of job scheduler Framework or inexpensive solution do you suggest? Regards, Park PS: I think Quartz Framework has a good reputation on J2EE system. But I am not sure Quartz.NET is as good as orginal java version.

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• Windows disassembler: looking for a tool...

  - by SigTerm

  Hello. I'm looking for a (preferably free) tool that can produce "proper" disassembly listing from a (non-.NET) windows PE file (*.exe or *.dll). Important requirement: it should be possible to run the listing through a windows assembler (nasm, masm or whatever) and get working exe again (not necessarily identical to original one, but it should behave in the same way). Intended usage is adding new subroutines into existing code, when source is not available. Ideally, tool should be able to detect function/segment boundaries, API calls, and generate proper labels for jumps (I can live without labels for loops/jumps, though, but function boundary detection would be nice), and keep program resources/segments in place. I'm already aware of IdaPRO(not free), OllyDBG (useful for in-place hacking, doesn't generate disassembly listing, AFAIK), ndisasm (output isn't suitable for assembler), dumpbin (useful, but AFAIK, output isn't suitable for assembler) and "proxy dll" technique. Ideas? Or maybe there is a book/tutorial that explains some kind of alternative approach?

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• Java Swing: how to add an image to a JPanel ?

  - by Leonel

  I have a JPanel to which I'd like to add JPEG and PNG images that I generate on the fly. All the examples I've seen so far in the Swing Tutorials, specially in the Swing examples use ImageIcons. I'm generating these images as byte arrays, and they are usually larger than the common icon they use in the examples, at 640x480. Is there any (performance or other) problem in using the ImageIcon class to display an image that size in a JPanel ? What's the usual way of doing it ? How to add an image to a JPanel without using the ImageIcon class ? Edit: A more careful examination of the tutorials and the API shows that you cannot add an ImageIcon directly to a JPanel. Instead, they achieve the same effect by setting the image as an icon of a JLabel. This just doesn't fill right...

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• [jquery/javascript] Trigger function when mouse click inside textarea AND type stop typing...

  - by marc

  Welcome, In short, my website use BBcode system, and i want allow users to preview message without posting it. I'm using JQuery library. I need 3 actions. 1) When user click in textarea i want display DIV what will contain preview, i want animate opening. 2) When user typing, i want dynamical load parsed by PHP code to DIV. (i'm still thinking what will be best option... refresh every 2 seconds, or maybe we can detect and refresh after 1 second of inactivity [stop typing]) 3) When user click outside textarea i want close preview div with animation. For example the PHP parser will have patch /api/parser.php and variable by POST called $_POST['message']. Any idea my digital friends ?

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• Apply Alphabetical Filters on listView on Android os

  - by mudit

  Hi.. i need to create a list view that display same functionality as Contact App. I need to have a scroller through which i can traverse the list alphabetically. To achieve this i am following an example from API demos "com.example.android.apis.view.List1.java". When i implement this functionality on a static list view = it is working fine. But when i try this on a dynamic listview= it is not working. Plz help...

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• Ruby on Rails: What are partial hash arguments and full set arguments?

  - by williamjones

  I'm using asserts_redirected_to in my unit tests, and I'm receiving this warning: DEPRECATION WARNING: Using assert_redirected_to with partial hash arguments is deprecated. Specify the full set arguments instead. What is a partial hash argument, and what is a full set argument? These aren't terms that I've seen used in the Rails community before, and the only relevant results I can find on Google for these are in reference to this deprecation warning. Here is my code: assert_redirected_to :controller => :user, :action => :search also tried: assert_redirected_to({:controller => :user, :action => :search}) I might have guessed that it feels I'm missing some parameters or something like that, but the API documentation explicitly says that not all parameters need to be included: http://rails.rubyonrails.org/classes/ActionController/Assertions/ResponseAssertions.html

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• Monotouch Example for QuickLook PDF

  - by nbonwit

  I am looking for a bare-bones pdf viewer example using the QuickLook Monotouch API. I have searched and have found bits and pieces but just can't seem to get it all integrated. I will be reading the pdf from a file pre-saved to the Personal folder on the iPad and would like to show the pdf as a modal view. If someone could post a bare-bones example, that would be much appreciated. What I have so far is below. Thanks! path = Environment.GetFolderPath(Environment.SpecialFolder.Personal); pdfPath = System.IO.Path.Combine(path, "pdfReport.pdf"); QLPreviewController myPdfController = new QLPreviewController(); MyPdf pdfToShow = new MyPdf("", new Uri("")); // Not sure about this line myPdfController.DataSource = pdfPath; // Not sure what this line should be PresentModalViewController(myPdfController, true);

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• C++ library for dealing with multiple HTTP connections

  - by JWood

  Hi, I'm looking for a library to deal with multiple simultaneous HTTP connections (pref. on a single thread) to use in C++ in Windows so it can be Win32 API based. So far, I have tried cURL (multi interface) which seems to be the most appropriate that I have found but my problem is that I may have a queue of 200 requests but I need to only run 4 of them at a time. This becomes problematic when one request may take 2 seconds and another may take 2 mins as you have to wait on all handles and receive the result of all requests in one block. If anyone knows a way round this it would be very useful. I have also tried rolling my own using WinHTTP but I need to throttle the requests so they would ideally need to be on a single thread and use callbacks for data which WinHTTP does not do. The best thing I've found which would solve all my problems is ASIHTTPRequest but unfortunately it's Mac OSX only. Thanks, J

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• Google Maps within a dynamically loaded jquery Accordion

  - by marr75

  I'm trying to load a google map within a jquery ui accordion with contents loaded by ajax. $("h2", "#accordion").click(function(e) { var contentDiv = $(this).next("div"); if (contentDiv.children().length == 1) { contentDiv.load($(this).find("a").attr("href")); contentDiv.ready(function(){ var latlng = new google.maps.LatLng(-34.397, 150.644); var myOptions = { zoom: 8, center: latlng, mapTypeId: google.maps.MapTypeId.ROADMAP }; var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions); }) } }); That's my current code (Google Maps API V3), but it redirects to the url of the href when I click currently, obviously with no google map because there's no javascript in this response. If I comment out the map line everything works fine (except the map itself).

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• Error on rake : The platform 'i386-mingw32' is unsupported.

  - by pm8

  I have Ruby 1.9 and rails 2.3.5 installed. After creating a rails app when I run rake db:create, I get i386-mingw32 error. I have both msysgit and cygwin on my windows machine. rake db:create (in C:/mydirectory) ==== UNSUPPORTED PLATFORM ====================================================== The platform 'i386-mingw32' is unsupported. Please help the author by editing the following file to allow your sqlite3 library to be found, and submitting a patch to [email protected]. Thanks! C:/Ruby19/lib/ruby/gems/1.9.1/gems/sqlite3-0.0.3/lib/sqlite3/driver/ffi/api.rb How can I get this issue fixed without uninstalling msysgit (since I use it for SCM on github)?

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• How to resolve Android class issues: android.Manifest$permission and android.R?

  - by Maxood

  I have updated software and ADT in my Eclipse a number of times. I am unable to run projects above than 1.5.I have the following errors showing up in my console window after i create a HelloWorld project with API Level 4 (1.6): [2010-04-04 22:21:53 - Framework Resource Parser] Collect resource IDs failed, class android.R not found in E:\Android\android-sdk_r04-windows\android-sdk-windows\platforms\android-1.6\android.jar [2010-04-04 22:21:53 - Framework Resource Parser] Collect permissions failed, class android.Manifest$permission not found in E:\Android\android-sdk_r04-windows\android-sdk-windows\platforms\android-1.6\android.jar [2010-04-04 22:21:54 - Android Framework Parser] failed to collect preference classes How to resolve this issue?

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• Why isn't wchar_t widely used in code for Linux / related platforms?

  - by Ninefingers

  This intrigues me, so I'm going to ask - for what reason is wchar_t not used so widely on Linux/Linux-like systems as it is on Windows? Specifically, the Windows API uses wchar_t internally whereas I believe Linux does not and this is reflected in a number of open source packages using char types. My understanding is that given a character c which requires multiple bytes to represent it, then in a char[] form c is split over several parts of char* whereas it forms a single unit in wchar_t[]. Is it not easier, then, to use wchar_t always? Have I missed a technical reason that negates this difference? Or is it just an adoption problem?

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• iPhone Text entry with completion and DONE button (not search)

  - by Adam Jack

  Using iPhone SDK 3.0, I wish to allow text entry with (optional) completion options that appear as typing is occurring, i.e. also allowing freeformat entry. As such I am using a UISearchBar (which has the text change events) and a UISearchDisplayController to present options. The problems is I want the DONE button to say DONE and not SEARCH, however I cannot find a way to set that. Clearly I feel I am missing something, or Interface Builder of the SDK API would have some property to set. I have seen other apps (in the store) that have achieved the result I want (free format entry, completion, DONE button) so maybe there is an alternative approach I am missing. Thanks in advance for any pointers.

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• Throw a long list of exceptions vs throw an Exception vs throw custom exception?

  - by athena

  I have an application which uses two methods of an API. Both these methods throw more than five exceptions each. So, if I just add a throws declaration then it becomes a list of more than ten. (My method cannot handle any of the ten exceptions) I have read that throwing a long list of exceptions is a bad practice. Also throwing (the umbrella) Exception is a bad practice. So, what should I do? Add a try catch block, and log and exit in the catch block? (Current approach) Create a custom exception class, wrap every exception and throw the custom exception? Add a throws declaration for all exceptions? Throw Exception?

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• What might cause ruby to lock up while exiting?

  - by user30997

  I have a ruby script that does a few perforce operations (through the scripting API) then simply ends: def foo() ... end def bar() ... end foo() bar() puts __LINE__ exit 0 #end of file ...and while the LINE will print out, the process never ends, whether the exit(0) is there or not. This is ruby 1.8.6, primarily on the mac, but I'm seeing this on the PC as well. I'm doing the usual google poking around, but hoped there might be a voice of experience here to bank on. Thanks.

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• Java Web Service Client from Microsoft Live Search

  - by trendyy

  I generated java web service from here -- http://api.search.live.net/search.wsdl.. I want to make search and listing the return values. In my opinion i generated client and client is makes research but i can't display result, how i can do that.. Can anyone check my wrote code and help me about displaying result? Thanks... import java.rmi.RemoteException; import com.microsoft.schemas.LiveSearch._2008._03.Search.*; public class searchtry { public static void main(String[] args) throws RemoteException { LiveSearchPortTypeProxy client=new LiveSearchPortTypeProxy(); SearchRequest request=new SearchRequest(); SearchRequestType1 type1=new SearchRequestType1(); sorgu.setAppId("*********************************"); //Windows Live gave this id for using that service sorgu.setSources(new SourceType[]{SourceType.Web}); sorgu.setQuery("Java"); aratip.setParameters(request); SearchResponseType0 answer= client.search(type1); System.out.println(answer.toString()); }

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• EXC_BAD_ACCESS on startAsynchronous request using ASIFormDataRequest

  - by user280556

  I am getting EXC_BAD_ACCESS on the Line: [asiUsernameRequest startAsynchronous]; in this code. Spent hours trying to figure it out, but no solution. Any idea? NSString *usernameValue = (NSString*)usernameField.text; NSLog(@"username selected: %@", usernameValue); NSURL *url = [NSURL URLWithString:@"http://www.mywebsite.com/api/usernameCheck"]; //ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:url]; asiUsernameRequest = [[[ASIFormDataRequest alloc] initWithURL:url] retain]; [asiUsernameRequest setPostValue:usernameValue forKey:@"username"]; NSArray *objects = [NSArray arrayWithObjects:@"usernameCheck", nil]; NSArray *keys = [NSArray arrayWithObjects:@"action", nil]; asiUsernameRequest.userInfo = [NSDictionary dictionaryWithObjects:objects forKeys:keys]; [asiUsernameRequest setDelegate:self]; [asiUsernameRequest startAsynchronous];

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• Write wave files to memory in Java

  - by Cliff

  I'm trying to figure out why my servlet code creates wave files with improper headers. I use: AudioSystem.write( new AudioInputStream( new ByteArrayInputStream(memoryBytes), new AudioFormat(22000, 16, 1, true,false), memoryBytes.length ), AudioFileFormat.Type.WAVE, servletOutputStream ); taking a byte array from memory containing raw PCM samples and a servlet output stream that gets returned to the client. In the result I get a normal wave file but with zeros in the chunk size fields. Is the API broken? I would think that the size could be filled in using the size passed in the audio input stream. But now, after typing this out I'm thinking its not making this info available to the outer write() method on AudioSystem. It seems like the AudioSystem.write call needs a size parameter unless it is able to pull the size from the stream... which wouldn't work with an arbitrary sized stream. Does anyone know how to make this example work?

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• reference other projects in visual studio for win32 projects

  - by Vineel Kumar Reddy

  Hi All I am working with win32 API and my language of choice is pure C and no C++. Assume I have a project A that is present in Solution S in visual studio I want to add another project B(which has some common utility functions) in to S Now I want to reference Project B in Project A... So that I can use those utility functions from Project B source code level. I dont want it be used against dll of Project B assume project B contains some math related functions and i want to call the functions from Project A or project B contains come data structures and i want to make use of them in Project A How to achieve this.... thanks in advance

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