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• Jmeter Exception response code :000 ,response message:Read timed out,for Java Web service?

  - by vipin k.

  I am testing a java web service(jax-ws),but whenever i am running the test i am getting response code as response message:Read timed out . And at tomcat serevr side i am getting exception : SEVERE: caught throwable ClientAbortException: java.net.SocketException: Connection reset by peer: socket write error at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:358) at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:354) at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:381) at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:370) at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:89) I found out that Read timed out exception may occur because of big size of SOAP response. But i am clue less because same web service i can access form an application.

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• Change Casing in WCF Service Reference

  - by Eric J.

  I'm creating a service reference to a web service written in Java. The generated classes now follow the Java casing convention used in the web service, for example class names are camelCase rather than PascalCase. Is there a way to get the desired casing from the service reference? CLARIFICATION: With WSE based services, one could modify the generated Reference.cs to provide .NET standard casing and use XmlElementAttribute to map to the Java naming presented by the external web service, like this: [System.Xml.Serialization.XmlElementAttribute("resultType", Form=System.Xml.Schema.XmlSchemaForm.Unqualified)] [System.Runtime.Serialization.DataMember] public virtual MyResultType ResultType { ... } Not terribly maintenance-friendly without writing custom code to either generate the proxy code or modify it after it's been generated. What I'm after is one or more options to present a WCF generated client proxy to calling applications using the .NET casing conventions, achieving the same as I did previously with WSE. Hopefully with less manual effort.

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• Looking for a reporting tool that will allow vector graphics in output file (PDF)

  - by Richard West

  I have been tasked with evaluating our current system that we use for creating and outputing reports. Currently we are using Crystal Reports ver 8, (I know that this is and old version.), which has a custom commandline app that we wrote in C# to execute the report for a given parameter passed through the command line. We like Crystal becuase it's easy to setup and design the report. It's also easy to print and create a PDF file from crystal using our custom commandline program. One of the problems/complaints that we have is that Crystal does does not appear to have a method that will allow us to create a PDF file with a vector images, such as our company logo. Crystal Reports always converts an image into a bitmap. When the PDF is printed, the results are less than flattering, and the PDF file size is increased. Does anyone have any recomendadtions for a reporting product that we should consider?

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• Looking for a simple interface for users to enter data for Silverlight application

  - by Edward Tanguay

  I have made a Silverlight application which can read data from various URLs. So users of the application who control a website can: FTP text and XML files onto their website put a clientaccesspolicy.xml in their root directory enter their URL in the silverlight application at which point the silverlight application then begins reading data from their site. I would like to extend this to less technical users who do not control a website, aren't adept with FTP, etc. What is the best service on the web that: allows users to publish different kinds of data, e.g. put out text files on web allows Silverlight client access (has clientaccesspolicy.xml set up) Some ideas are: free blog services (although then they are limited to a RSS feed, or the silverlight app would have to do some screen scraping) Google Docs? free cloud services? What free services allow easy publishing of any kind of data on the web and allow Silverlight client access?

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• How to Use an Environment Variable as an Environment Variable Name

  - by Synetech inc.

  Hi, In my pursuit of a solution to another environment-variable/batch-file related problem, I have once again come across a problem I have visited before (but cannot for the life of me remember how, or even if I solved it). Say you have two BAT files (or one batch file and the command line). How can one pass an environment variable name to the other so that it can read the variable? The following example does not work: A.BAT: @call b.bat path B.BAT: @echo %%1% > A.BAT > %1 > B.BAT path > %1 It is easy enough to pass the environment variable name, but the callee cannot seem to use it. (I don’t remember if or how I dealt with this the last time it came up, but I suspect it required the less-than-ideal use of redirecting temporary BAT files and calling them and such.) Any ideas? Thanks.

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• What is the sequence followed by the Linux kernel to configure a device?

  - by Jaime Soriano

  As I understood after reading the chapter related to The Linux Device Model in the Linux Device Drivers 3rd Edition, when a new device is configured, the kernel follows more or less this sequence: The Device is registered in the driver core (device_register(), what includes device initialization) A kobject is registered in the device model It provokes a hotplug event Bus and drivers are checked to see which one matches with the device Probe Device is binded to the driver My main doubt is, in step 1, when is device_register() called and what info should be yet in the device struct? Is it called by the bus to which the device is connected? Any example in the code? Have I misunderstood something? :)

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• process thread scheduling

  - by arvind

  I have the following query regarding the scheduling of process threads. a) If my process A has 3 threads then can these threads be scheduled concurrently on the different CPUs in SMP m/c or they will be given time slice on the same cpu. b) Suppose I have two processes A with 3 threads and Process B with 2 threads (all threads are of same priority) then cpu time allocated to each thread (time slice) is dependent on the number of threads in the process or not? Correct me if I am wrong is it so that cpu time is allocated to process which is then shared among its threads i.e. time slice given to process A threads is less than that of Process B threads.

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• good books on numerical computation with C

  - by yCalleecharan

  Hi, I've read the post "What is the best book on numerical methods?" and I wish to ask more or less the same question but in relation to C programming. Most of the time, C programming books on numerical methods are just another version of the author's previous Fortran book on the same subject. I've seen Applied numerical methods in C by Nakamura, Shoichiro and the C codes are not good programming practice. I've heard bad comments about Numerical Recipes by Press. Do you know good books on C that discusses numerical methods. It's seem better for me to ask about good books on C discussing numerical methods than rather asking books on numerical methods that discusses C. I've heard about Numerical Algorithms with C by Giesela Engeln-Müllges and A Numerical Library in C for Scientists and Engineers bu Lau but haven't read them. Good books will always have algorithms implemented in the programming language in a smart way. Thanks a lot...

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• Including two signatures, both with a 'type t' [Standard ML]

  - by Andy Morris

  A contrived example: signature A = sig type t val x: t end signature B = sig type t val y: t end signature C = sig include A B end Obviously, this will cause complaints that type t occurs twice in C. But is there any way to express that I want the two ts to be equated, ending up with: signature C = sig type t val x: t val y: t end I tried all sorts of silly syntax like include B where type t = A.t, which unsurprisingly didn't work. Is there something I've forgotten to try? Also, I know that this would be simply answered by checking the language's syntax for anything obvious (or a lack of), but I couldn't find a complete grammar anywhere on the internet. (FWIW, the actual reason I'm trying to do this is Haskell-style monads and such, where a MonadPlus is just a mix of a Monad and an Alternative; at the moment I'm just repeating the contents of ALTERNATIVE in MONAD_PLUS, which strikes me as less than ideal.)

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• Comparing Clojure books

  - by Michiel Borkent

  Currently there is (afaik) one completed Clojure book available: Programming Clojure by Stuart Halloway. Two are being written and partially available at Manning: The Joy of Clojure by Fogus and Houser Clojure in Action by Amit Rathore Another one is about to be published in May: Practical Clojure (The Definitive Guide) by Luke Van der Hart Are these books more or less the same and meant as a general introduction to Clojure? Does it make sense to buy them all, or is there a risk of having three very similar books? Will there be books that go into more specialized areas of Clojure and targetted for 'intermediate' or 'advanced' Clojure programmers?

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• retreving long text (CLOB) using CFQuery

  - by CFUser

  I am using CFQuery to retrieve the CLOB field from Oracle DB. If the CLOB filed contains the Data less than ~ 8000, then I can see retrieved the value ( the o/p), however If the value in CLOB field size is more than 8000 chars, then its not retrieving the value. in <cfdump> i can see the query retrieved as 'empty String' though the value exists in Oracle DB. I am using the Oracle Driver in CFadim console enabled 'Enable long text retrieval (CLOB).' and 'Enable binary large object retrieval (BLOB). ' set 'Long Text Buffer (chr)' and 'Blob Buffer(bytes) ' values to 6400000 any suggestions to retrieve the full text?

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• Idiomatic ruby for temporary variables within a method

  - by Andrew Grimm

  Within a method, I am using i and j as temporary variables while calculating other variables. What is an idiomatic way of getting rid of i and j once they are no longer needed? Should I use blocks for this purpose? i = positions.first while nucleotide_at_position(i-1) == nucleotide_at_position(i) raise "Assumption violated" if i == 1 i -= 1 end first_nucleotide_position = i j = positions.last while nucleotide_at_position(j+1) == nucleotide_at_position(j) raise "Assumption violated" if j == sequence.length j += 1 end last_nucleotide_position = j Background: I'd like to get rid of i and j once they are no longer needed so that they aren't used by any other code in the method. Gives my code less opportunity to be wrong. I don't know the name of the concept - is it "encapsulation"? The closest concepts I can think of are (warning: links to TV Tropes - do not visit while working) Chekhov'sGun or YouHaveOutlivedYourUsefulness. Another alternative would be to put the code into their own methods, but that may detract from readability.

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• Technologies used in Remote Administration applications(not RD)

  - by Michael

  I want to know what kind of technologies are used nowadays as underlying screen capture engine for remote administration software like VNC pcAnywhere TeamViewer RAC Remote Administrator etc.. The programming language is not so important as just to know whether a driver needs to be developed which is polling video memory 30 times per second or there are any com objects built in the Windows kernel to help doing this? I'm not interested in 3rd party components for doing this. Do I have to use DirectX facilities? Just want some start point to develop my own screen stream capture engine, which will be less CPU hog.

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• Which are the Extreme Programming "core" practices?

  - by MiKo

  Recently, I began reading about agile methodologies and XP in particular. I am a bit confused, though, about what are considered the practices involved in extreme programming. More precisely: Wikipedia reports 12 practices, which I someway believe to be the "classic" ones. Both Kent Beck and Ron Jeffries indicate 13 practices (you can find the links at the bottom of wikipedia page about "Extreme Programming Practices", I cannot post them here since I am new user of Stack Overflow), while this review of Kent Beck's "XP explained" (2nd edition) report more than 20 somewhat different practices. As a complete beginner in the topic (and basically as a complete beginner as a programmer), I would like to be enlightened on the matter. My impression is that I should look at Beck's book, since the second edition has been written after several years of XPerience, but I can find a lot less material based on that.

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• Hello World bootloader not working!

  - by Newbie

  Hello. I've been working through the tutorials on this webpage which progressively creates a bootloader that displays Hello World. The 2nd tutorial (where we attempt to get an "A" to be output) works perfectly, and yet the 1st tutorial doesn't work for me at all! (The BIOS completely ignores the floppy disk and boots straight into Windows). This is less of an issue, although any explanations would be appreciated. The real problem is that I can't get the 3rd tutorial to work. Instead on outputting "Hello World", I get an unusual character (and blinking cursor) in the bottom-left corner of the screen. It looks a bit like a smiley face inside a rounded rectangle. Does anyone know how to get Hello World to display as it should?

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• jabber based server and client application in cocoa

  - by Miraaj

  Hi all, I have implemented an application which supports text chat. Now I want to implement voice chat and later video chat in it, but I have less time provided by client :( So I am planning to go for some open source code in cocoa, which I can use and easily in-corporate in my application. After analysis over net I found that Jabber related client/ chat server application should be best according to my requirements. I have found that there are several jabber based client-server application but mostly written in java, C or C++. Can anyone suggest me some links or code for cocoa based, jabber server and client application?? Also I want to ask that lets say I got server application in C and client application in cocoa, then will I be able to transmit text, multimedia messages between client nodes?? Thanks, Miraaj

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• Something is wrong with this C code to reverse string, but I dont know what ? please help

  - by Harbhag

  Hi all, I am beginnner to programming. I wrote this little program to reverse a string. But if I try to reverse a string which is less than 5 characters long then it gives wrong output. I cant seem to find whats wrong. #include<stdio.h> #include<string.h> int main() { char test[50]; char rtest[50]; int i, j=0; printf("Enter string : "); scanf("%s", test); int max = strlen(test) - 1; for ( i = max; i>=0; i--) { rtest[j] = test[i]; j++; } printf("Reversal is : %s\n", rtest); return 0; }

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• Interface design pattern / Java / Seam

  - by Walter White

  Hi all, Is this possible somehow? @Name("geolocationService") public interface GeolocationService { @Query("SELECT g FROM Geolocation geolocation INNER JOIN geolocation.deployment deployment WHERE geolocation.ipStart <= INET_ATON(:ipAddress) AND deployment.active = TRUE") Geolocation findByIpAddress(@NamedParameter("ipAddress")final String ipAddress); } public GeolocationAction { @In private GeolocationService geolocationService; @RequestParameter("ipAddress") private String ipAddress; @Out private Geolocation geolocation; public void find() { geolocation = geolocationService.findByIpAddress(ipAddress); } } Is it possible to do this without implementing the interface? What is required to make that work? I want to maintain less and do more. If I can intercept invocations of the geolocationService then I am golden, how would I do that? I don't want it to ever be instantiated, so it will always be null (I don't want the @Name and @In annotations either then). Walter

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• Wordpress plugin for enhanced WYSIWYG image resizing?

  - by Gnee

  Really, really trying to find a plugin that gives adds functionality to the image-resize functions in Wordpress's WYSIWYG editor. Something where the use of 'Gallery' is not mandatory – just an upload straight from the post editor. In a post, when an image is linked to from another site, there are less options – unlike when an image is uploaded. • You can resize, but it's 100%, 110%, 120%, 130% ....Instead of thumbnail, large, medium, etc, when you upload. •These dimension rarely match the dimensions needed. I know you can type in the W x H in the advanced tab, but my quest to find a better solution is really for the clients using the site. If anyone knows a solution / plugin / modification for this, I'd love to hear it!!

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• Constructing an object and calling a method without assignment in VB.Net

  - by mdryden

  I'm not entirely sure what to call what C# does, so I haven't had any luck searching for the VB.Net equivalent syntax (if it exists, which I suspect it probably doesn't). In c#, you can do this: public void DoSomething() { new MyHelper().DoIt(); // works just fine } But as far as I can tell, in VB.Net, you must assign the helper object to a local variable or you just get a syntax error: Public Sub DoSomething() New MyHelper().DoIt() ' won't compile End Sub Just one of those curiosity things I run into from day to day working on mixed language projects - often there is a VB.Net equivalent which uses less than obvious syntax. Anyone?

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• Out of memory error in java

  - by Anuj

  I am getting OutOfMemoryError: java heap snippets of the method: { // step 1: I am creating a 2 dim array int totalCombination = (int) Math.pow(2.0, (double) vowelCount); here vowelCount > 10 // step2: initializing my array // step3: and using that array } My Question: each time this method is called, that array is getting created. Is it possible that the array is not getting released . In windows taskmanager i can see memory used by java is purely incremental. So it is not that at a point heap size is less, but memory is repetitively used and not released somehow. Please let me know if you need more detal. Please help to debug the error. Anuj

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• Novel fitness measure for evolutionary image matching simulation

  - by Nick Johnson

  I'm sure many people have already seen demos of using genetic algorithms to generate an image that matches a sample image. You start off with noise, and gradually it comes to resemble the target image more and more closely, until you have a more-or-less exact duplicate. All of the examples I've seen, however, use a fairly straightforward pixel-by-pixel comparison, resulting in a fairly predictable 'fade in' of the final image. What I'm looking for is something more novel: A fitness measure that comes closer to what we see as 'similar' than the naive approach. I don't have a specific result in mind - I'm just looking for something more 'interesting' than the default. Suggestions?

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• decoding 802.11 b

  - by stan

  I have a raw grabbed data from spectrometer that was working on wifi (802.11b) channel 6. (two laptops in ad-hoc ping each other). I would like to decode this data in matlab. I see them as complex vector with 4.6 mln of complex samples. I see their spectrum quite nice. I am looking document a bit less complicated as IEEE 802.11 standard (which I have). I can share measurement data to other people.

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• Problem with DWR and Android-Browser

  - by moxn

  Hello everyone, I am experiencing a problem with accessing an application from the Android-browser. The application uses DWR to persist connections to the clients that are connected with it. Everything works fine for me, except that if the application does not send any data to the client on the Android-phone for 2 minutes, the connection seems to be lost and no data arrive at the client. The same scenario works just fine on Firefox, Opera and Chrome. If the pause between two data transfers is less than 2 minutes, it works just fine. So, now my question: Is there some timeout setting for the android browser that I am missing? Or is this some built-in bug/feature/whatever that I cannot circumvent? I know that I could prevent this from happening with some sort of heartbeat, I would just like to why this is happening. Thanks in advance, Max btw: Everything (server, clients) runs on my machine and I am testing this on the android emulator with Windows XP Android emulator version 1.10 (build_id CUPCAKE-150240)

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• Is it possible to calculate distance on GeoDjango in a SELECT statement?

  - by alex

  I am using MYSQL. I have a table with 1 column, a Point field. I want to SELECT all rows that have a point with a distance less than 50 meters of my given point. Simple enough, right? Below is how it's done in RAW SQL. But of course, I want to use GeoDjango to do this. cursor.execute("SELECT * FROM project_location WHERE\ (GLength(LineStringFromWKB(LineString(asbinary(utm), asbinary(PointFromWKB(point(%s, %s)))))) < 50)\

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