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  • I have a ConnectException that isn't being caught for some reason

    - by aakbari1024
    I'm working on an Android application that uses sockets. I have a function called initializeStreams() which opens the socket and attempts a connection. This function throws a ConnectException if the connection could not be established. But for some reason, in the code that calls initializeStreams(), which has a catch block for ConnectException, the log prints out its own stack trace for the exception instead of going to the catch block. The catch block is never reached at all, even though the exact exception is being thrown. Here's the code: The try block: try { initializeStreams(); /* drivesList = new ArrayList<String>(); drivesList = enumerateDrives();*/ } catch (ConnectException e) { //Log.i(TAG, "caught connect exception"); /*loadingProgress.dismiss(); retryConnection();*/ } initializeStreams(): public void initializeStreams() throws ConnectException { try { Log.i(TAG, "Attempting to connect"); requestSocket = new Socket(SERVER_ADDR, PORT); /* other code */ } catch (IOException e) { e.printStackTrace(); } I can't figure this out, so any help would be much appreciated. }

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  • How would I include open source library in my iPhone application?

    - by greypoint
    I have found an existing open source library that I would like to include in my iPhone project (the unrar source code found here: http://www.rarlab.com/rar_add.htm ). I have compiled this source as a linked library on my Mac with "make lib" which creates the libunrar.so file just fine. These are the makefile settings for that target: lib: WHAT=RARDLL lib: $(OBJECTS) $(LIB_OBJ) @rm -f libunrar.so $(LINK) -shared -o libunrar.so $(LDFLAGS) $(OBJECTS) $(LIB_OBJ) Obviously I can't use this on iPhone but I imagine I should be able to compile with different options to make a static library that I can use. Do I: Compile it on the Mac with different make options then drag the resulting library (some kind of .a ?) into my xcode project? or Drag all of the source code into my xcode project and create special targets of some kind to create it? or Something else entirely different? I've been working on solving my unrar problem for a couple of weeks now and I believe using this library will give me the best results but I just don't know the final steps to make use of it. Thanks for all advice.

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  • Analysing objects generated by a Java application in between GCs.

    - by elec
    Is there a tool which could be used to analyse the objects being created between two separate garbage collection run (= number of objects created and their type) ? Heapdumps dont really work here as they perform a GC when they're invoked (or at least that's what I observed everytime so far), and I want to see which objects are collected by the GC, not which objects are left after the GC run, if that makes sense. ...or is it possible somehow to inspect the nature and size of objects being collected by the garbage collector ?

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  • Is it abuse to put application/business logic inside of jQuery plugins?

    - by RenderIn
    Is it appropriate to create jQuery plugins which are specific to a single page? I've been creating generic plugins that are not tied to any context and contain no business logic, but some people I've talked to suggest that almost all javascript, including business logic and logic specific to a single page, should be inside of jQuery plugins. Is it appropriate to have a validateformXYZ plugin which validates a specific HTML form? I'm buying into jQuery 100% but am not sure if this is a misuse or not.

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  • In which language the KIS application might have been developed??

    - by Jeba
    Hello all, I just went through this link http://www.pcauthority.com.au/Feature/91093,the-tsar-of-antivirus.aspx and found that it's developed using c/c++ and visual studio with a little assembly language support. As a programmer i just want to know in what programming language the kaspersky internet security User Interface(UI) has been developed? Might be using QT(coz. of c++)? or using MFC(coz. of visual studio)?? With side tab like thing the UI looks good. Expecting the answers from expert analysts.

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  • Write a serverside c++/openGL App, that is accessible via JavaScript

    - by moka
    Hi, I am currently having an idea where I want to save an image from a c++/openGL application on demand from a browser. So basically I would like to run the application itself on the server and have a simple communication layer like this: JS - tell application to do calculations (and maybe pass a string or some simple data) application - tell JS when finished and maybe send a link, text or something as simple as that. I don't really have alot of experience with webservers and as such don't know if that is possible at all (it's just my naive thinking). And note: I am not talking about a webGL application, I just want to have simple communication between a c++ serverside application, and the user. Any ideas how to do that? Thanks alot!

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  • How to make OSX application that just runs opens some file type and runs arbitrary Ruby code?

    - by taw
    It's trivial to make a program executable from shell - just put #!/usr/bin/ruby on top, chmod +x it and done. Unfortunately OSX won't let me associate file type with such scripts - it requires its .apps instead. This sort of distinction doesn't seem to exist on other operating systems. What's the simplest way of making such .app, which would merely execute some arbitrary Ruby code?

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  • Rapid Web Application Development ASP.net vs. Open Source Platforms

    - by Yaaqov
    Good morning - I'm an intermediate-level developer who wants to build on online data-driven app (CRUD with a few calculations and basic HTML form inputs, nothing fancy) that keeps track of user sessions, and looks "professional" (or at least not "homemade"). I'm looking to development something with the look-and-feel that users get from sites like: http://www.datamasher.org/ http://www.thisweknow.org/ (About page says it was made with Ruby on Rails, which I'm unfamiliar with) (stackoverflow.com) Any pointers on whether I should just go the Miscrosoft route, and develop in ASP.net with WebForms, or if there's a quick qay to do this kind of development (with a WYSIWYG environment) on an open-source platform? I'm willing to learn, if it's somethat I can use to quickly drag/drop, add code, and publish online. Templates would be a plus, too. I apologize is the question seems a bit vague.

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  • What would be a good starting point for development of a 3D application for representation of struct

    - by Lela Dax
    I was thinking QT on OpenGL. Multiplatform ability and being able to be closed (at no cost) at a later point would be important points. But I'm very interested in finding a way that is not only viable but also has the least amount of reinvention of the wheel. e.g. "Why not Ogre? A ready powerful 3D engine without reinventing that part". But I'm very uncertain in what is the optimal collection of tools for that job.

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  • jQuery: issues with mouseover event if the element has children

    - by Patrick
    hi, I have the following element: <div id="#block-block-1"> <p>KAREN LANCEL:<br> lancel(at)xs4all.nl<br> phone 0031 (0)624873424</p> <p>HERMEN MAAT:<br> maat(at)xs4all.nl<br> phone 0031 (0)628536885</p> </div> which is supposed to disappear when the mouse is moved out of it (I will ignore now to talk about the fading in event). This is the code to make it fading out: $('#block-block-1').mouseout(function() { $(this).css("display","none"); }); The issue here is that the 'mouseout' event is triggered when the mouse is over the children elements inside my div. And the parent disappears even if the mouse is still inside it.

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  • How to get the url of the page which is currently loading i the iframe

    - by Gayathri
    Hi, I have an requirement that, in my application on clicking an button i have to laod one more application with the same template which i was using for my application. So, on clicking the button in my application i have used one intermediate page in that using iframe i passed that URL of an external application. Its working fine. But the problem is in the external applicatio which is not in my control on clicking an button it is moving to next page. In that page i want to hide an button. I did that also using div tag color as white and set the positions. But the problem is in all the pages in the same position that is affecting. So i want to get the url of the page which is loading in the iframe on the second or third click of an external application, so that i can using some conditions i can hide the control. So please any one help me to get the solution for this problem

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  • Why learn Perl, Python, Ruby if the company is using C++, C# or Java as the application language?

    - by szabgab
    I wonder why would a C++, C#, Java developer want to learn a dynamic language? Assuming the company won't switch its main development language from C++/C#/Java to a dynamic one what use is there for a dynamic language? What helper tasks can be done by the dynamic languages faster or better after only a few days of learning than with the static language that you have been using for several years? Update After seeing the first few responses it is clear that there two issues. My main interest would be something that is justifiable to the employer as an expense. That is, I am looking for justifications for the employer to finance the learning of a dynamic language. Aside from the obvious that the employee will have broader view, the employers are usually looking for some "real" benefit.

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  • What is the best strategy for a streaming screen capture application ?

    - by The_AlienCoder
    Ok Ive figured out how to do a screen capture of my desktop using Windows Media Encoder 9 + SDK and saving it as a movie on my hardrive. But now I want to take my project further and stream a realtime screen capture of my desktop . The idea is that users accessing my asp.net website will be able to view whatever Im doing on my desktop in real time via the video streaming from my computer. I really dont need the source code just the best strategy, procedure and server requirements.How will users access the streaming video on my website? Will it work on my godaddy shared hosting account or at what point will I need an upgrade? Will I be saving the stream to a file on the server for users to access or is there a way to stream directly ? I just need someone to point me in the right direction...

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  • what is the responsibility of ngnix or apache in rails application?

    - by user2177410
    How rails applications actually work? Let's say we have nginx + passenger + Ubuntu, so my questions are: What is nginx actually doing? How does it transfer requests to the rails app? what is passenger responsible for? And what is rack? How actually rails app can work just on webrick without apache? Please dont give me answers like "nginx processes the requests"; I need something more, or may be you know the source where I can read about this.

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