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  • NNTP & Socket - How to interrupt?

    - by Cosmo
    Hi. I'm sending a message to a NNTP server in order to fetch an article's body. I don't want to wait for the answer to complete, cause I only need the first 3 lines from the body. How can I interrupt the transfer and move on to the next article? Now when I request another's article message body, I still get data from the previous one. The only way that worked for me, was to close the stream and reopen it. In my opinion this is a little bit hardcore, cause I have to login to the server every time I need a new file. Any help would be appreciated. Kind Regards.

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  • Restart IIS7 webapp for debug in VS2008

    - by spender
    I'm developing an ASP.NET asyc generic handler which uses a static System.Threading.Timer instance to feed data to the response output stream while the context is in the asynchronous phase. I'm having issues at startup that I'd like to debug. Currently, because of the long-lived nature of the timer, I'm manually killing w3wp.exe in order to cause the application to restart. I'm aware that there are other ways to do this, but this is the best workflow I can find! Isn't there a way to force a cold start when I hit f5, instead of the standard VS approach of attaching to the existing IIS process?

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  • How to select items from XmlList

    - by Cen
    My Flash designer is reading an XML stream I'm sending back to the browser (I'm a C# dev). We have this working fine. He is then selecting into an XMLList where a element has its id a certain value i.e. . This is also working just fine. In this XmlList, are Events, that look a little something like this: event startdate enddate end event I don't know how to use the formatting here - but each of those items is an element. startdate would have a value such as 04/02/2010 and enddate 6/30/2010. Now, from this XmlList I do have of Events, I need to select all Events where a new variable myDate, falls in between the startdate and enddate. I'm not sure how to do this in AS3 - can anyone help me? Thank you very much in advance!

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  • Steaming a non-PCM WAV file to a SilverLight application

    - by Satumba
    Hi, I would like to allow users to play recorded WAV files that stored on a server back to a Silverlight application as a client to play them. I saw that there is a way to play a WAV file on Silverlight (here), but when i tried to impliment it, i got an error playing the file because it is not in PCM format but encoded. The files that i'm trying to play are encoded with a special encoder, so i thought that the only way is to decode the WAV file on the server and stream it back to the client. The limitation is that the decode process should occur in real time because it is not reasonable to convert all the WAV files that exists. Is it possible to do it? Which streamer can i use? (Windows Media Service can help here?) Does somebody has any experience with such a scenario? Appreciate your help.

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  • Handling android player errors

    - by stack hoss
    I am anew android developer and i made ashoutcast radio player and work good but when i open app it work for afew time but suddenly stop and need to press stop and play again but i need Handling android player errors to automatic restart on errors package com.test.test; import java.io.IOException; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.app.Service; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.media.AudioManager; import android.media.AudioManager.OnAudioFocusChangeListener; import android.media.MediaPlayer; import android.os.IBinder; import android.preference.PreferenceManager; import android.util.Log; public class StreamService extends Service { private static final String TAG = "StreamService"; MediaPlayer mp; boolean isPlaying; Intent MainActivity; SharedPreferences prefs; SharedPreferences.Editor editor; Notification n; NotificationManager notificationManager; // Change this int to some number specifically for this app int notifId = 85; private OnAudioFocusChangeListener focusChangeListener = new OnAudioFocusChangeListener() { public void onAudioFocusChange(int focusChange) { switch (focusChange) { case (AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK) : // Lower the volume while ducking. mp.setVolume(0.2f, 0.2f); break; case (AudioManager.AUDIOFOCUS_LOSS_TRANSIENT) : mp.pause(); break; case (AudioManager.AUDIOFOCUS_LOSS) : mp.stop(); break; case (AudioManager.AUDIOFOCUS_GAIN) : // Return the volume to normal and resume if paused. mp.setVolume(1f, 1f); mp.start(); break; default: break; } } }; @Override public IBinder onBind(Intent arg0) { // TODO Auto-generated method stub return null; } @SuppressWarnings("deprecation") @Override public void onCreate() { super.onCreate(); Log.d(TAG, "onCreate"); // Init the SharedPreferences and Editor prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext()); editor = prefs.edit(); // Set up the buffering notification notificationManager = (NotificationManager) getApplicationContext() .getSystemService(NOTIFICATION_SERVICE); Context context = getApplicationContext(); String notifTitle = context.getResources().getString(R.string.app_name); String notifMessage = context.getResources().getString(R.string.buffering); n = new Notification(); n.icon = R.drawable.ic_launcher; n.tickerText = "Buffering"; n.when = System.currentTimeMillis(); Intent nIntent = new Intent(context, MainActivity.class); nIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_SINGLE_TOP); PendingIntent pIntent = PendingIntent.getActivity(context, 0, nIntent, 0); n.setLatestEventInfo(context, notifTitle, notifMessage, pIntent); notificationManager.notify(notifId, n); // It's very important that you put the IP/URL of your ShoutCast stream here // Otherwise you'll get Webcom Radio String url = "http://47.182.19.93:9888/"; mp = new MediaPlayer(); mp.setAudioStreamType(AudioManager.STREAM_MUSIC); try { mp.reset(); mp.setDataSource(url); mp.prepare(); mp.start(); } catch (IllegalArgumentException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (SecurityException e) { // TODO Auto-generated catch block Log.e(TAG, "SecurityException"); } catch (IllegalStateException e) { // TODO Auto-generated catch block Log.e(TAG, "IllegalStateException"); } catch (IOException e) { // TODO Auto-generated catch block Log.e(TAG, "IOException"); } } @SuppressWarnings("deprecation") @Override public void onStart(Intent intent, int startId) { Log.d(TAG, "onStart"); mp.start(); // Set the isPlaying preference to true editor.putBoolean("isPlaying", true); editor.commit(); Context context = getApplicationContext(); String notifTitle = context.getResources().getString(R.string.app_name); String notifMessage = context.getResources().getString(R.string.now_playing); n.icon = R.drawable.ic_launcher; n.tickerText = notifMessage; n.flags = Notification.FLAG_NO_CLEAR; n.when = System.currentTimeMillis(); Intent nIntent = new Intent(context, MainActivity.class); PendingIntent pIntent = PendingIntent.getActivity(context, 0, nIntent, 0); n.setLatestEventInfo(context, notifTitle, notifMessage, pIntent); // Change 5315 to some nother number notificationManager.notify(notifId, n); AudioManager am = (AudioManager)getSystemService(Context.AUDIO_SERVICE); // Request audio focus for playback int result = am.requestAudioFocus(focusChangeListener, // Use the music stream. AudioManager.STREAM_MUSIC, // Request permanent focus. AudioManager.AUDIOFOCUS_GAIN); if (result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED) { // other app had stopped playing song now , so u can do u stuff now . } } @Override public void onDestroy() { Log.d(TAG, "onDestroy"); mp.stop(); mp.release(); mp = null; editor.putBoolean("isPlaying", false); editor.commit(); notificationManager.cancel(notifId); AudioManager am = (AudioManager)getSystemService(Context.AUDIO_SERVICE); am.abandonAudioFocus(focusChangeListener); } }

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  • How to walk through two files simultaneously in Perl?

    - by Alex Reynolds
    I have two text files that contain columnar data of the variety position-value. Here is an example of the first file (file A): 100 1 101 1 102 0 103 2 104 1 ... Here is an example of the second file (B): 20 0 21 0 ... 100 2 101 1 192 3 193 1 ... Instead of reading one of the two files into a hash table, which is prohibitive due to memory constraints, what I would like to do is walk through two files simultaneously, in a stepwise fashion. What this means is that I would like to stream through lines of either A or B and compare position values. If the two positions are equal, then I perform a calculation on the values associated with that position. Otherwise, if the positions are not equal, I move through lines of file A or file B until the positions are equal (when I again perform my calculation) or I reach EOF of both files. Is there a way to do this in Perl?

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  • Streaming Audio from A URL in Android using MediaPlayer?

    - by Sena Gbeckor-Kove
    Hi, I've been trying to stream mp3's over http using Android's built in MediaPlayer class. The documentation would suggest to me that this should be as easy as : MediaPlayer mp = new MediaPlayer(); mp.setDataSource(URL_OF_FILE); mp.prepare(); mp.start(); However I am getting the following repeatedly. I have tried different URLs as well. Please don't tell me that streaming doesn't work on mp3's. E/PlayerDriver( 31): Command PLAYER_SET_DATA_SOURCE completed with an error or info PVMFErrNotSupported W/PlayerDriver( 31): PVMFInfoErrorHandlingComplete E/MediaPlayer( 198): error (1, -4) E/MediaPlayer( 198): start called in state 0 E/MediaPlayer( 198): error (-38, 0) E/MediaPlayer( 198): Error (1,-4) E/MediaPlayer( 198): Error (-38,0) Any help much appreciated, thanks S

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  • Choose Graph API or old REST API for Facebook application

    - by Andree
    Hi there! I should have asked this in Facebook developer forum instead, but somehow I can't register to the forum and the Facebook connect feature is not working at the time I'm writing this. Anyway, I am still confused whether to use Graph API or the old REST API for my Facebook app. Generally, this is what I want to achieve in my app: Get profile picture and name of the user. Get profile picture and name of the user's friends who are also using my app. Post into the user's stream. Allow users to invite their friends to use the application. Can someone provide me an insight, which one is better for my application?

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  • AS3 Pass FlashVars to loaded swf

    - by Robin
    Hi I have a A.swf which loads B.swf onto a movieclip and needs to pass it some FlashVars. When loading B.swf with html, I can pass FlashVars fine. When passing from A.swf, it gets a Error #2044: Unhandled ioError:. text=Error #2032: Stream Error. URL: file: The code in A.swf is var request:URLRequest = new URLRequest ("B.swf"); var variables : URLVariables = new URLVariables(); variables.xml = "test.xml"; // This line causes the error 2044, else B.swf loads fine with FlashVars request.data = variables; loader.load (request); In B.swf, it is checking the Flashvars like so. It works fine from html side this.loaderInfo.parameters.xml

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  • How to convert Facebook created_time to Java Date?

    - by smitty
    Hi, I have a FQL statement like this: String query = "SELECT post_id, actor_id, target_id, created_time, message FROM stream WHERE source_id in (SELECT target_id FROM connection WHERE source_id=<userID>) AND is_hidden = 0"; I just wondering what kind of time Facebook gives to me. The result of my statement will be mapped to a wrapper object (wallpost). myDate.setTime(wallpost.getCreated_time()); gives me no valid date. Does anyone have an idea what kind of date Facebook returns and how to match it to Date()? thanks in advance!

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  • Displaying thumbnails of images (present at different locations in the sdcard) in a listview

    - by frieza
    Hi all, I have several images present in different folders in my sdcard. I would like to display a list of thumbnails. So what I have done is while rendering any row in the list I read the file in an input stream, get the byte array, decode it to obtain a bitmap and set it in an imageview. So far so good. But when I scroll the list, the list scrolls in jerks. I believe this is because decoding a bitmap from byte array takes some time. What I would like to know is that, is there any optimization which I can do to improve the performance, or better still is there any better method to achieve what I want ?

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  • Save a binary file in SQL Server as BLOB and text (or get the text from Full-Text index)

    - by Glennular
    Currently we are saving files (PDF, DOC) into the database as BLOB fields. I would like to be able to retrieve the raw text of the file to be able to manipulate it for hit-highlighting and other functions. Does anyone know of a simple way to either parse out the files and save the raw text on save, either via SQL or .net code. I have found that Adobe has a filtdump utility that will convert the PDF to text. Filtdump seems to be a command line tool, and i don't see a way to use a file stream. And what would the extractor be for Office documents and other file types? -or- Is there a way to pull out the raw text from the Full text index? Note i am trying to build a .net & MSSql solution without having to use a third party tool such as Lucene

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  • WCF - Dynamically Change WebResponseFormat

    - by Brandon
    Is there a way to dynamically change the WebResponseFormat on a method given a parameter passed by the client? I default my WebResponseFormat to XML, but I want to give the client the opportunity to specify a format as JSON or XML and if none is specified, default to XML. Currently I am doing the following: [WebGet(UriTemplate = "objects", BodyStyle = WebMessageBodyStyle.Bare)] [OperationContract] List<SampleObject> GetObjects(); The user can call it via: http://localhost/rest/myservice/objects They then can specify a format by doing: http://localhost/rest/myservice/objects?format=json The problem is that when I try to set the response content type via: WebOperationContext.Current.OutgoingResponse.ContentType = "application/json"; That just returns the XML but the browser attempts to process it like a JSON object instead of serializing the response as JSON. Is this even possible with .NET 3.5 outside of using a Stream as the return value and serializing the response myself? If not, is there a better solution?

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  • Are there any free .NET OCR libraries that will perform OCR on an application window directly?

    - by Kelsey
    I am looking for a free .NET OCR library that will be able to do OCR on a given application window or even a image in memory (I can take a snapshot of the application window myself). I have looked at tessnet2 and MODI but both require an image located on disk. I need to use OCR because the application I am trying to write a script for does some wacky stuff that cannot be read using windows API and I need to scrape data from the screen. I have tested both of tessnet2 and MODI and they both can read the text mostly but because this has to run in an enviroment that will not be able to write to disk, I need it to be able to read directly from the applciation window or some type of memory stream. I am thinking OCR is my only soution but there could be other methods that I am not thinking of. Suggestions?

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  • Java resource as file

    - by Martin Riedel
    Is there a way in Java to construct a File instance on a resource retrieved from a jar through the classloader? My application uses some files from the jar (default) or from a filesystem directory specified at runtime (user input). I'm looking for a consistent way of a) loading these files as a stream b) listing the files in the user-defined directory or the directory in the jar respectively Edit: Apparently, the ideal approach would be to stay away from java.io.File altogether. Is there a way to load a directory from the classpath and list its contents (files/entities contained in it)?

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  • Swing code in sockets

    - by asb
    I am learning swings for making GUI. I was thinking which is the best possible way in case of socket with swings. 1. The whole swing code goes in the server file. All the handlers and logic in on server side. Client only create socket. 2. The server have logic part. The code for the swing to display interface goes on client side. Client Creates stream to send / rec. data from server. Whch is the good way out of 2 ?

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  • How to get netstream bytesLoaded and bytesTotal from streaming .mp4?

    - by Amy
    I have a flex 3 app that uses netstream and a video object to stream .mp4 movies. I want to use the bytesLoaded and bytesTotal properties of the netstream to display the buffering information. I would also like to get any information about the number of frames that are dropped if possible. When I've tested on .flv I'm able to get the information without a problem, but it doesn't seem to work on .mp4. Is it possible to get this information streaming .mp4? Is there some configuration that I'm missing to make things work the same for .mp4 as .flv? Thanks!

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  • why egrep's stdout did not go through pipe?

    - by ccfenix
    Hi, i got a weird problem regarding egrep and pipe I tried to filter a stream containing some lines who start with a topic name, such as "TICK:this is a tick message\n" When I try to use egrep to filter it : ./stream_generator | egrep 'TICK' | ./topic_processor It seems that the topic_processor never receives any messages However, when i use the following python script: ./stream_generator | python filter.py --topics TICK | ./topic_processor everything looks to be fine. I guess there need to be a 'flush' mechanism for egrep as well, is this correct? Can anyone here give me a clue? Thanks a million import sys from optparse import OptionParser if __name__ == '__main__': parser = OptionParser() parser.add_option("-m", "--topics", action="store", type="string", dest="topics") (opts, args) = parser.parse_args() topics = opts.topics.split(':') while True: s = sys.stdin.readline() for each in topics: if s[0:4] == each: sys.stdout.write(s) sys.stdout.flush()

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  • Light weight C++ SAX XML parser

    - by John Bartholomew
    I know of at least three light weight C++ XML parsers: RapidXML, TinyXML and PugiXML. However, all three use a DOM based interface (ie, they build their own in-memory representation of the XML document and then provide an interface to traverse and manipulate it). For most situations that I have to deal with, I much prefer the SAX interface (where the parser just spits out a stream of events like start-of-tag, and the application code is responsible for doing whatever it wants based on those events). Can anyone recommend a light weight C++ XML library with a SAX interface? Edit: I should also note the Microsoft XmlLite library, which does use a SAX interface. Unfortunately, it's ruled out for me at the moment since as far as I know it's closed source and Windows only (please correct me if I'm wrong on this).

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  • capturing video from ip camera

    - by Ruby
    I am trying to capture video from ip camera into my application , its giving exception com.sun.image.codec.jpeg.ImageFormatException: Not a JPEG file: starts with 0x0d 0x0a at sun.awt.image.codec.JPEGImageDecoderImpl.readJPEGStream(Native Method) at sun.awt.image.codec.JPEGImageDecoderImpl.decodeAsBufferedImage(Unknown Source) at test.AxisCamera1.readJPG(AxisCamera1.java:130) at test.AxisCamera1.readMJPGStream(AxisCamera1.java:121) at test.AxisCamera1.readStream(AxisCamera1.java:100) at test.AxisCamera1.run(AxisCamera1.java:171) at java.lang.Thread.run(Unknown Source) its giving exception at image = decoder.decodeAsBufferedImage(); Here is the code i am trying private static final long serialVersionUID = 1L; public boolean useMJPGStream = true; public String jpgURL = "http://ip here/video.cgi/jpg/image.cgi?resolution=640×480"; public String mjpgURL = "http://ip here /video.cgi/mjpg/video.cgi?resolution=640×480"; DataInputStream dis; private BufferedImage image = null; public Dimension imageSize = null; public boolean connected = false; private boolean initCompleted = false; HttpURLConnection huc = null; Component parent; /** Creates a new instance of AxisCamera */ public AxisCamera1(Component parent_) { parent = parent_; } public void connect() { try { URL u = new URL(useMJPGStream ? mjpgURL : jpgURL); huc = (HttpURLConnection) u.openConnection(); // System.out.println(huc.getContentType()); InputStream is = huc.getInputStream(); connected = true; BufferedInputStream bis = new BufferedInputStream(is); dis = new DataInputStream(bis); if (!initCompleted) initDisplay(); } catch (IOException e) { // incase no connection exists wait and try // again, instead of printing the error try { huc.disconnect(); Thread.sleep(60); } catch (InterruptedException ie) { huc.disconnect(); connect(); } connect(); } catch (Exception e) { ; } } public void initDisplay() { // setup the display if (useMJPGStream) readMJPGStream(); else { readJPG(); disconnect(); } imageSize = new Dimension(image.getWidth(this), image.getHeight(this)); setPreferredSize(imageSize); parent.setSize(imageSize); parent.validate(); initCompleted = true; } public void disconnect() { try { if (connected) { dis.close(); connected = false; } } catch (Exception e) { ; } } public void paint(Graphics g) { // used to set the image on the panel if (image != null) g.drawImage(image, 0, 0, this); } public void readStream() { // the basic method to continuously read the // stream try { if (useMJPGStream) { while (true) { readMJPGStream(); parent.repaint(); } } else { while (true) { connect(); readJPG(); parent.repaint(); disconnect(); } } } catch (Exception e) { ; } } public void readMJPGStream() { // preprocess the mjpg stream to remove the // mjpg encapsulation readLine(3, dis); // discard the first 3 lines readJPG(); readLine(2, dis); // discard the last two lines } public void readJPG() { // read the embedded jpeg image try { JPEGImageDecoder decoder = JPEGCodec.createJPEGDecoder(dis); image = decoder.decodeAsBufferedImage(); } catch (Exception e) { e.printStackTrace(); disconnect(); } } public void readLine(int n, DataInputStream dis) { // used to strip out the // header lines for (int i = 0; i < n; i++) { readLine(dis); } } public void readLine(DataInputStream dis) { try { boolean end = false; String lineEnd = "\n"; // assumes that the end of the line is marked // with this byte[] lineEndBytes = lineEnd.getBytes(); byte[] byteBuf = new byte[lineEndBytes.length]; while (!end) { dis.read(byteBuf, 0, lineEndBytes.length); String t = new String(byteBuf); System.out.print(t); // uncomment if you want to see what the // lines actually look like if (t.equals(lineEnd)) end = true; } } catch (Exception e) { e.printStackTrace(); } } public void run() { System.out.println("in Run..................."); connect(); readStream(); } @SuppressWarnings("deprecation") public static void main(String[] args) { JFrame jframe = new JFrame(); jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); AxisCamera1 axPanel = new AxisCamera1(jframe); new Thread(axPanel).start(); jframe.getContentPane().add(axPanel); jframe.pack(); jframe.show(); } } Any suggestions what I am doing wrong here??

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  • Java - Google App Engine - InvalidClassException when I change a class that was stored in session sc

    - by Spines
    I updated my User class, and now whenever someone that had the old version of the User class stored in their session scope accesses my site, I get an InvalidClassException. javax.servlet.ServletException: java.lang.RuntimeException: java.io.InvalidClassException: User; local class incompatible: stream classdesc serialVersionUID = 4949038118012519093, local class serialVersionUID = -971500502189813151 How do I stop this error from happening for those users? I could probably invalidate everyone's sessions every time I want to update a class that gets stored in session scope, but is there a better way, so that my user's don't have to login again?

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  • Comparison of music data

    - by Christian P.
    Hey I am looking for theory, algorithms and similar for how to compare music. More specifically, I am looking into how to dupecheck music tracks that have different bitrates or perhaps slightly different variations (radio vs album version), but otherwise sound the same. Use cases for this include services such as Grooveshark, Youtube, etc. where they get a lot of duplicate tracks. I am also interested in text comparisons (Britney Spers vs Britney Spears, how far they deviate, etc.) although this is secondary and I already have some sources to go on in this area. I am mostly interested in codec-agnostic comparison techniques and algoritms (assuming a "raw" stream), but codec-specific resources are appreciated. I am aware of projects such as musicbrainz.org, but have not investigated it further, and would be interested if such projects could be of help in this endeavor.

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  • ASP.NET Download All Files as Zip

    - by Ronnie Overby
    I have a folder on my web server that has hundreds of mp3 files in it. I would like to provide the option for a user to download a zipped archive of every mp3 in the directory from a web page. I want to compress the files programmatically only when needed. Because the zip file will be quite large, I am thinking that I will need to send the zip file to the response stream as it is being zipped, for performance reasons. Is this possible? How can I do it?

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  • extract digg data by digg api

    - by vamsivanka
    I am trying to extract digg data for a user using this url "http://services.digg.com/user/vamsivanka/diggs?count=25&appkey=34asd56asdf789as87df65s4fas6" and the web response is throwing an error "The remote server returned an error: (403) Forbidden." Please let me know. public static XmlTextReader CreateWebRequest(string url) { HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url); webRequest.UserAgent = ".NET Framework digg Test Client"; webRequest.Credentials = System.Net.CredentialCache.DefaultCredentials; webRequest.Accept = "text/xml"; HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse(); System.IO.Stream responseStream = webResponse.GetResponseStream(); XmlTextReader reader = new XmlTextReader(responseStream); return reader; }

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  • Bitbanging a PIO on Coldfire/ucLinux

    - by G Forty
    Here's the problem: I need to program some hardware via 2 pins of the PIO (1 clock, 1 data). Timing constraints are tight - 10ms clock cycle time. All this, of course, whilst I maintain very high level services (CAN bus, TCP/IP). The downstream unit also ACKS by asserting a PIO pin, configured as an input, high. So this loop has to both read and write. I need to send 16 bits in the serial stream. Is there an established way to do this sort of thing or should I simply get the hardware guys to add a PIC or somesuch. I'd much prefer to avoid exotics like RTAI extensions at this stage. I did once see a reference to user-mode IO which implied a possible interrupt driven driver but lost track of it. Any pointers welcomed.

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