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  • GWT synchronization

    - by hdantas
    i'm doing a function in gwt it sends an IQ stanza into a server and has to wait for the server answer in the function i make the handler that waits for the answer from the server to that IQ stanza so what i need is for the function to wait until i get the response from the server and after that do other stuff i'm a beginner in gwt so any thoughts would be great thanks public void getServices() { IQ iq = new IQ(IQ.Type.get); iq.setAttribute("to", session.getDomainName()); iq.addChild("query", "http://jabber.org/protocol/disco#items"); session.addResponseHandler(iq, new ResponseHandler() { public void onError(IQ iq, ErrorType errorType, ErrorCondition errorCondition, String text) { <do stuff> } public void onResult(IQ iq) { <do stuff> } }); session.send(iq); <after receiving answer do stuff> }

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  • Struct sockaddr, sin_family is not a member

    - by leon22
    According to this article from msdn ( http://msdn.microsoft.com/en-us/library/windows/desktop/ms740496(v=vs.85).aspx) the struct varies depending on which protocol is selected! Now I want to use this code from http://www.intelliproject.net/articles/showArticle/index/check_tcp_udp_port to check if a port is open or not! Now I have the struct sockaddr as follows: struct sockaddr { ushort sa_family; char sa_data[14]; }; but need this strcuture: struct sockaddr { short sin_family; u_short sin_port; struct in_addr sin_addr; char sin_zero[8]; }; Which changes are necessary? (Ws2_32.lib is linked and following includes #define WIN32_LEAN_AND_MEAN // sockets #include "windows.h" #include <winsock2.h> #include <ws2tcpip.h> Thx

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  • Excluding some classes from the cobertura report doesn't work

    - by user357480
    I tried to exclude some classes from cobertura as specified in this site <cobertura-instrument todir="${voldemort.instrumented.dir}" datafile="${cobertura.instrument.file}"> <classpath refid="tools-classpath" /> <ignore regex=".*\.xsd" /> <fileset dir="${voldemort.dist.dir}/classes"> <include name="**/*.class" /> <exclude name="**/client/protocol/pb/*.class"/> <exclude name="**/server/http/*.class"/> </fileset> </cobertura-instrument> but that doesn't work help me out, pleaseeeeeeeeeeee

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  • Creating Discoverable Network Resources (.NET)

    - by Ady
    Is it possible to create a discoverable network resource in .NET? What I would like to acheive is a means of auto discovery for applications that run on a private network. The architecture will be similar to a client / server application, however the server could be any computer on the network. While the client would not be aware of the specific IP address that would be the server. I assume I would need some form of multicast, however not having used multicasting before I don't even know where to start. I guess when the client starts up it would broadcast an "is anyone there" message. Then each server could respond with details of their IP for future communication. Many Thanks, Ady

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  • Android playing Video data from a custom network stream?

    - by Cinar
    Does Android MediaPlayer can only work with file sources? I would like play media (video) from a network stream, but the stream comes in a non-standard protocol, so I have to somehow feed Android MediaPlayer with the data only. Is there anyway to do that? I found a few web pages suggesting using a temporary file for the buffered media data etc. but I would like to minimize the I/O usage as much as I can, so I'm looking for a API only solution if there is any? how about JNI? but looks like the permissions going to be an issue with that also.

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  • IWAB0399E Error in generating Java from WSDL: java.io.IOException: ERROR: Missing <soap:fault> elem

    - by DanO
    I have a WCF 4.0 service for internal use. Another team is trying to consume it in Java. IWAB0399E Error in generating Java from WSDL: java.io.IOException: ERROR: Missing <soap:fault> element inFault "PasswordReuseFaultFault" ... One source suggests it may be a Soap 1.1 vs. Soap 1.2 issue Indeed my WCF generated WSDL <wsdl:fault name="PasswordReuseFaultFault"> <wsp:PolicyReference URI="#blah_blah_blah_PasswordReuseFaultFault_Fault"/> <soap12:fault name="PasswordReuseFaultFault" use="literal"/> </wsdl:fault> notice the <soap12:fault>instead of the expected <soap:fault> I'm pretty sure that is the cause of the problem. How do I get WCF to generate soap 1.1 WSDL ? or What should I tell the Java team to do so their tools can understand the newer protocol?

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  • jQuery .getJSON() Not Parsing All Objects

    - by Brad
    I'm using jQuery's .getJSON function to parse a set of search results from a Google Search Appliance. The search appliance has an xslt stylesheet that returns the results as JSON data, which I validated with both JSONLint and Curious Concept's JSON Formatter. According to FireBug, the full result set is returned from the XMLHTTPRequest, but I tried dumping the data (with jquery.dump.js) and it only ever parses back the first result. It does successfully get all the Google Search Protocol stuff, but it only ever sees one "R" object (or individual result). Has anybody had a similar problem with jQuery's .getJSON? I know it likes to fail silently if the JSON is not valid, but like I said, I validated the results with several validators and it should be good to go. Edit: Clicking this link will show you the JSON results returned for a search for the word "google": http://bigbird.uww.edu/search?client=json_frontend&proxystylesheet=json_frontend&proxyrefresh=1&output=xml_no_dtd&q=google jQuery only retrieves the first "R" object, even though all "R" objects are siblings.

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  • Idiomatic approach for structuring Clojure source code

    - by mikera
    I'm interested in how people structure their Clojure source code. Being used to Java, I'm pretty familiar with the paradigm of one class per source code file, bundling all the data and method definitions with appropriate comments and annotations etc. However Clojure offers a lot more flexibility, and I'm not sure how I should structure my project (likely to end up as a medium sized app, maybe 5,000 lines with three or four distinct subsystems) In particular I'm wrestling with: What guidelines should I use to determine whether code should be in a single namespace vs. separated out into different namespaces? Should each protocol/datatype have it's own namespace + source file with associated set of functions? When should I require vs. use other namespaces?

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  • how do I set a delegate in a view that is not my main view

    - by orangecl4now
    I have a xib. the xib has a button that swaps another xib. the second xib has a uitextfield and a uilabel. how do I make the keyboard go away when I'm done typing? what do I need to wire or code? the second xib has it's own class (called CustomSign.m) Inside CustomSign.m, I've implemented the following method -(void)textFieldDidEndEditing:(UITextField *)textField { [customText resignFirstResponder]; signedLabel.text = customText.text; } - (void)awakeFromNib { //assume textField is an ivar that is connected to the textfield in IB [customText setDelegate:self]; } I get the following warning Class "CustomSign" does not implement the UITextFieldDelegate protocol

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  • How to create a "dependency graph" for IT assets

    - by p.marino
    One of my customers is trying to create an interactive "matrix" of interdependencies for the various applications used in their company (it's a travel&leisure company with around 2500 employees). The idea (still at the prototype stage) is to create a sort of Map, based on Visio or similar tool, which traces the communication and interdependencies between all the IT assets in the company, so that when someone asks for a change they can get an overview of the impacts. This was mentioned in a casual setting and it will not be my responsability to directly work on this, but I did contribute the little I know already in terms of vaguely related methodologies (Zachman Framework). I'd like to hear from the people in here if they know of methodologies, or tools, that may help this kind of effort, and if they have any specific experience to contribute. I'll digest the answers and send the result back to my customer, hoping this may be of some help with their task (which I consider a bit visionary and prone to all the pitfalls of any documentation project, but still well worth pursuing).

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  • How to create digital signature that can not be used to reproduce the message twice

    - by freediver
    I am creating a client-server application and I'd like to send data from server to client securely. Using public/private key algorithms makes sense and in PHP we can use openssl_sign and openssl_verify functions to check that the data came by someone who has the private key. Now imagine that one of the actions sent by server to client is destructive in nature. If somebody uses an HTTP sniffer to catch this command (which will be signed properly) how can I further protect the communication to ensure that only commands coming from our server get processed by the client? I was thinking about using current UTC time as part of the encrypted data but client time might be off. Is there a simple solution to the problem?

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  • Non Technical -Got selected in Well Reputed Organisation but not getting offer letter. What to do..?

    - by Devashri
    Hi, I got selected in a well reputed company on 27th of March for .Net technology and got selection letter. I was told that I will have to join in next 15 days as my notice peroid was 15 days. And I will get my offer letter as I will submit all documents. So I submitted all the documents and I resigned from my curent organisation. But now no communication is being done. I tried to communicate with them but got no respone. Now I resigned from my previous organisation and not getting offer from new one. So what should I do now? I am just waitng for offer letter and looking for another opportunity? Can anyone suggest me the way to get my offer letter..?? I know this question is nontechnical but still I am asking because I would get suggestions or what to do as by IT Professionals who might had gone through the same condition.

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  • CodeIgniter: Weird echo of $config coming back when I load Email Library

    - by k00k
    Version info: CI version 1.7.2 - PHP 5.3.1 - Apache2 - Mac OSX 10.6.3 For some reason, when I load CI's email library, either in my controller, or in autoload.php, it automatically and immediately echoes the config info like so: $config['protocol'] = 'sendmail'; $config['mailpath'] = '/usr/sbin/sendmail'; $config['charset'] = 'iso-8859-1'; $config['wordwrap'] = TRUE If I autoload the email library in autoload.php, it is echoed before anything else in my source/page. If I call it explicitly within my controller, it's echoed at that exact point. I'm stumped, never seen that before. Any ideas on how to surpress/eliminate?

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  • UIViewController is popped from view stack and NSURLConnection crashes the application

    - by rickharrison
    I am pushing a UIViewController onto a UINavigationController. This view controller immediately starts a download of an xml feed and then parses it. However, if you hit the back button before it is done downloading, and crashes with EXC_BAD_ACCESS. The line that is crashing it is in parserDidEndDocument and is this line: if (self.delegate && [self.delegate conformsToProtocol:@protocol(ModelDelegate)]) [self.delegate modelDidFinishParsing:self]; I assume it is crashing because it is trying to access self.delegate which is not assigned anymore. How do I get around this? Also, I would release the model object in the modelDidFinishParsing method. How would I release this model if it never reaches this method.

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  • When to release a class with delegates

    - by Stefan Mayr
    A quick question to delegates. Lets say, CLASSA has a delegate defined: @protocol MyDelegate -(void) didFinishUploading; @end In CLASSB I create an instance of CLASS A -(void) doPost { CLASSA *uploader = [[CLASSA alloc] init]; uploader.delegate = self; // this means CLASSB has to implement the delegate uploader.post; } and also in CLASSB: -(void)didFinishUploding { } So when do I have to release the uploader? Because when I release it in doPost, it is not valid anymore in didFinishUploading. Thanks

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  • When to choose C over C++?

    - by aaa
    Hi. I have become a fond of C++ thanks to this website. Before, I programmed exclusively in C/Fortran, thinking that C++ was too slow (not anymore). Is there a reason to write new project purely in C? this is besides obvious things like low-level kernel/system components. What about intermediate things, like communication libraries, for example MPI? Is C still more portable than C++? I have messed with pretty exotic systems, like Cray, but have yet to see non-embedded system without C++. thanks

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  • Subversion version 'difference' a big deal?

    - by CmdrTallen
    Greetings, using VS2008 and VisualSVN and seems the VisualSVN folks are religious about updating the client (and their VisualSVN server) to the latest Subversion release. My question is my subversion server is a hosted server and seems to always lag several versions behind the client I use. Should I be concerned about this version "mis-match"? Is there a general rule of thumb about when it is a point to be concerned (like an entire major release behind)? Any sort of mechanism build into either the client, the server or the protocol that prevents something horrible from happening between badly 'paired' clients and servers?

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  • Question about OOP and objects.

    - by loddn
    I have a school assignment, a Dog Show. My assignment is to create a website where vistors can display results and Judges and Secretary can admin, crud. I have a small problem one part of the assignment. The result should be based on two protokols from different judges and after that checked by the secretary before the result is displayed for the user. I have to say i'm fairly new to programming and so i need some smart suggestions on how to design and implement this. The assignment should cover both a db and c# (.net mvc). Q1: How do i create a object (result)that depends on two other objects(protocol)? Is that even needed? Q2: How to solve this in a relational db?

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  • Increasing TCP/IP Window size

    - by Lior
    I am trying to send messages over tcp/ip between two servers. I want to send a message that is 30KB. But I want to send it with as a whole. I don't want tcp protocol to break it into segments. I am using communication between 2 Windows Server 2008 R2. The client and the server are coded using c#. I tryed using tcpclnt.SendBufferSize = 100000; tcpclnt.Client.DontFragment = true; and the same at the server. I also tried configuring the window size of the server(editing the registry).

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  • Corporate Environment [closed]

    - by aloneguid
    How do you guys live in corporate environment? Especially talk to each other (developer to developer). I find it extremely hard as any question goes to "please book a meeting for that". Sometimes I get a chance to ask sb sth on the kitchen but that's it. Booked meetings are just stupidest thing ever, 'cos people talk about nothing specific and you have to wait days for them to happen. Weekly "scrums" are even more stupid as they usually take about 10 mins and you could do the same in 1 minute by email, no useful info or communication et all. All that leads to zero understanding of the product, no connection to customers, development in own isolated cubible, throwing out most of your code because that's not what was needed and you never know what the product is really aimed to do. Sad :(

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  • Writing Java code in Matlab?

    - by scooziexp
    Hi, I'm trying to use the Java commands pw.println() and br.readLine() in Matlab because I have set up a socket (input_socket2) between Matlab and a command-line program I want to control using Java classes BufferedReader and PrintWriter. Before the following snippet of code, I implemented another socket that goes between 2 computers. This works great and I also know that the following snippet of code successfully opens up a communication line between Matlab and the other program. However, Matlab throws an error at pw.println('noop'). I think it has something to do with syntax, but I'm not sure how to write the command in Matlab syntax then: try input_socket2 = Socket(host2,port2); input_stream2 = input_socket2.getInputStream; d_input_stream2 = DataInputStream(input_stream2); br = BufferedReader(InputStreamReader(input_stream2)); pw = PrintWriter(input_socket2.getOutputStream,true); pw.println('noop') br.read end Any ideas?

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  • Maximum number of bytes that can be sent on a TCP connection

    - by iamrohitbanga
    I initially assumed that since tcp has a sequence number field of 32 bits and each byte sent on a tcp connection is labeled with a unique number, maximum number of bytes that can be sent on a tcp connection is about 2^32-1 or 2^32-2 (which?). but now I feel that since TCP is a sliding window protocol, the wraparound of sequence numbers during the connection should not have an affect on the maximum number of bytes that can be sent over a tcp connection as long as the when wraparound occurs the old packet is no longer in the network (it is sent after 2*MSL). What is the correct answer?

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  • Real time web site using PHP or ASP.NET

    - by Roman
    Hey Guys, I'm looking for a way to put real time features into my web site. The idea is asynchronous communication between 2 people - like a chat session. If I use the chat example - I'd like the second person to know that the first one has sent a message to him, without refreshing or doing something active on the web page. Polling is not a good idea here - so is there any other solution? the back-end could be ASP.NET or PHP (ASP.NET preferred). Help would be much appreciated, Thanks, Roman

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  • Is there an open source cross-platform push server?

    - by Ian
    I'm currently in need of a (preferably open-source) free push server, that supports both linux and windows. I need something similar to the Ajax Push Engine, but that project unfortunatelly does not work on windows (I could use a virtual machine, but that's not what I'm looking for). I need to be able to push information to/from a python daemon, from a php script, to/from javascript and to a Blackberry application (built with java). Is there any tool that could help me with that? I've also looked into the Orbited project but frankly it lacks a lot of documentation and it's been very complicated to understand it. I'm not sure if it could work for me since it isn't actually a push server, but rather a proxy for it's built in MorbidQ server (or am I wrong?). Would a technology like Advanced Message Queing Protocol work for a project like this? Something like RabbitMQ or ActiveMQ? Thank you very much for the help.

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  • Theory of Game Interface Design

    - by anon
    Anyone know of a good book on Game Interface Design (not game play mechanics; the actual UI). I'm particular interested in theories of cognition, and how game interfaces are designed to allow the enduser efficient communication with the game (whether it in FPS, RTS, or so on). In a modern game, the amount of information conveyed to the user, the amount of choices the user can make; and the support for the user to make said decisions is simply astounding (think UIs for Starcraft II / WoW). Any insights into this would be greatly appreciated.

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