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• recommend a server side technology for gwt (beginner)

  - by user486503

  hi all ! I am developing a gwt project and am looking for an appropriate server side technology. it should support be open source and support user login (and not using openID...) with password recovery etc it seems that the de-facto standard would be spring + hibernate. however, I am unfamiliar with neither of them and understand that the learning curve (especially for spring) is very high. gwt was quite easy to learn using GOOG's excellent online tutorials but the spring equivalent seem to impose lots of configuration files and deeper understanding of its internals. so I am looking for a simpler server side technology to deploy my gwt app. I am definitely prepared to learn a new framework if necessary but not something that would take me 2 months just to understand the fundamentals... any ideas...?

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• Help Me: Loading Qt dialogs from python Scripts

  - by krishnanunni

  Hello, im a novice into developing an application using backend as Python (2.5) and Qt(3) as front end GUI designer. I have 5 diffrent dialogs to implement the scripts. i just know to load the window (main window) from qt import * from dialogselectkernelfile import * from formcopyextract import * import sys if __name__ == "__main__": app = QApplication(sys.argv) f = DialogSelectKernelFile() f.show() app.setMainWidget(f) app.exec_loop() main dialog opens on running. i have a set of back,Next,Cancel buttons pusing on each should open the next or previous dialogs. i use the pyuic compiler to source translation.how can i do this from python. please reply i`m running out of time.i dont know how to load another dialog from a signal of push button in another dialog. Help me pls Thanks a Lot

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• How to display a pic selected from phone to a local html in the Webview

  - by Kavin

  Hi all, I am developing a small application in Android. I come across a problem, and not sure whether it is possible in Android platform. I have some local html files. There is an Activity contains a webview, which is used to display these local html files. In some cases, I want to display a picture selected from phone into one of these local html files. Is it possible? Has anyone resolved such problem? I appreciate any of your replies. Best

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• Different icons and title for same iPad application

  - by trapo

  I'm developing an iPad application that will be distributed "in-house" ie only inside enterprise. They asked me if i can produce 2 different releases of the same application to be installed on the same iPad. The first one will communicate with a production server while the second will use a sandbox server and will be used by user to learn the system. Server url will be changed in app settings. They told me to differentiate these releases by icon and title (and also, of course, by title in navigation bar). What's the best way to get this goal avoiding duplication of the project?

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• How to connect android application running on a device to a local web application?

  - by guna

  I have my droid device connected through USB and using Eclipse for debugging my application running on the device. Everything is fine, except my application needs to connect to a web application running on the same host computer (Windows XP, IE). The web address on the IE was "http://local:4566/MyApp/". I tried to set my android app to "http://10.0.2.2:4566/MyApp", but no luck. The android app's connection simply times out. The document under http://developer.android.com/guide/developing/tools/emulator.html says that the ip address may be different for devices (see Network Address Space section) but no further details on how to find that. Question is, how to I connect to a local web application running on my host computer (windows xp) from an Android application connected through USB running debug under Eclipse? Appreciate any help. thanks, Guna

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• Which display manager for a non interactive Python app and mplayer?

  - by Matt

  I am developing an application that will run on Linux to run fullscreen all the time (no menus or trays or anything will be visible). The application is going to be developed in Python, not that that matters as far as the display manager, but what I am having a hard time with is choosing a display manager. I need something with the smallest possible footprint, that will let me run a graphical Python app and have an mplayer window at the same time, at widescreen resolutions (widescreen, 16:10,16:9, etc). Other than that, it doesn't need a lot of features, but the end footprint size is the most important thing I'll be looking at. What display manager would you recommend?

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• Editing PHP using PHP (admin center)

  - by Alec Smart

  Hello, Am developing an admin center where I can edit configuration files (written in PHP). I do NOT want to store these values in a mySQL table (for various reasons). So say my config.php has contents like: <?php $option1 = 1; $option2 = 2; $option4 = 5; $option7 = array('test','a','b',c'); ?> Now say in one of the admin pages I will only be changing a few values like option2 or option4 etc. Any ideas on what would be the best way to go about this. I know one option is to read the PHP file completely and write parts of it using REGEX. Any way to make this more efficent? I don't want the config.php file to break because of some error on the user's end. Any ideas on how to ensure that it works?

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• Image links work but show "broken image" in IE.

  - by Path

  I have a problem. I have made some image files for a menu. They work fine in Firefox, but IE (8, haven't tested with others) and Chrome show a broken image.. Image, on top. Even though the images work. The page is here: http://www.silkeborgmuseum.dk/udvikling/index.php This is a very old page of mine but I need to make it work. I have tried searching google and stackoverflow, but have not so far been able to find anyone else having this problem or what is causing it. Can anyone help? As a parting comment, I will say that I have only been developing websites for a few months, but wow, i already hate IE with a fiery passion.

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• How to write a build script for a C++ project

  - by Paul

  I am developing a C++ application on Ubuntu. The application consists of several modules, each with its makefile. I want to have a customised command line build process that does the following: checks code out from a repository (for specified branch/tag) builds the app (release or debug as specified) logs any errors etc I am too lazy to learn Perl (I tried before, but cant seem to get my head around it). Are there any (preferably open source) tools anyone can suggest, or maybe a simpler scripting languuage - or do I really have to learn Perl?

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• Is the situation with Java ME improving?

  - by mike g

  It seems to be the consensus that developing for Java ME is not as cross platform as you might expect, particularly compared to say java SE, but it is difficult to assess how the situation is evolving. Is the situation improving significantly? Are problematic implementations being patched? Are problematic implementations dying out as a proportion of mobile devices? Is the tool chain improving? Are there ways to identify at least some cross platform 'errors' without necessarily deploying to each and every device?

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• Windows Multiple User Application Best Practices

  - by Burt

  I am developing a WPF application that will hook into a SQLLite database and I have a number of reservations around multiple users: When I install my application should I assume that each windows user account will mean only one user of my application or should I include a login for my app (drawback is that the user will have to log in all the time) If I am supporting multiple users how do I handle a new user account i.e. on application start of the new account should I set up a new user in the DB Are there any other gotchas around this area, it isn't something I have really had to worry about before. Thanks in advance, B

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• Calculating the angle between two points

  - by kingrichard2005

  I'm currently developing a simple 2D game for Android. I have a stationary object that's situated in the center of the screen and I'm trying to get that object to rotate and point to the area on the screen that the user touches. I have the constant coordinates that represent the center of the screen and I can get the coordinates of the point that the user taps on. I'm using the formula outlined in this forum: How to get angle between two points? -It says as follows "If you want the the angle between the line defined by these two points and the horizontal axis: double angle = atan2(y2 - y1, x2 - x1) * 180 / PI;". -I implemented this, but I think the fact the I'm working in screen coordinates is causing a miscalculation, since the Y-coordinate is reversed. I'm not sure if this is the right way to go about it, any other thoughts or suggestions are appreciated.

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• Question marks in Java generics.

  - by gnucom

  I tried to make sure this wasn't a duplicate post, sorry if I was blind. This is a small snippet of code taken from some of the examples that accompany the Stanford Parser. I've been developing in Java for about 4 years, but have never had a very strong understanding of what this style of code is supposed to indicate. List<? extends HasWord> wordList = toke.tokenize(); I'm not worried about the details of the code. What I'm confusing about is what exactly the generic expression is supposed to convey, in English. Can someone explain this to me? Thanks!

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• Customers and suppliers database design issue

  - by hectorsq

  I am developing a web application in which I will have customers and suppliers. Initially I thought on using a Customers table and a Suppliers table. Then when I was thinking on bank transactions, I noticed that each transaction needs to refer to a customer or a supplier, so I thought on using a single table named Business in which I will save both customers and suppliers. If I use Customers and Suppliers tables when I want to list the bank transactions I will have to search in both tables to get the company name. If I use a Businesses table I will have to use a business type column, and have the union of possible fields for all businesses types. Any suggestions on the design?

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• Find Javascript Code inside String

  - by Ph.E

  Greetings friends, I am developing a web application that will allow the customer to enter a personalized message, which will then be converted to HTML. Well, the problem is that I can not allow the insertion of Javascript code. So I need a method that filters the text, searching for and remove it. I think the regular expressions to solve my problem, but I'm having difficulty building. Some of his friends could help me, or has already developed something for this. Thank you.

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• Magento - Change Customer Group on purchase of specific product

  - by Gaurav

  Hi, I am developing a purchasable video website having different videos in different categories. It needs membership functionality in which if customer purchase membership then he/she will have all videos free for one year. For that I can create a membership product and if any customer purchase this membership product he/she will fall/switch into ‘Members Customer Group’ and then I can give 100% discount for all products for customers that are in group ‘Members Customer Group’. But I have no idea how I can achieve this? Can anyone please guide me how I can change the customer group on purchase of membership product? Thanks

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• URL Rewriting from a subdomain to main domain!

  - by JCHASE11

  Hello. I am developing a pretty large website for a client, and its about 90% complete. It is currently hosted on a subdomain like so: now: v2.websitehere.com when complete: www.websitehere.com My problem is that SO much of this site is linked to the temporary subdomain. The newsletter service, multiple google apis, etc. I also have multiple blogs installed that would be hard to move over. Literally, I have over 20 blogs hosted on the subdomain. I also have other PHP scripts that utilize SQL databases. So, what I am getting at is that a migration would be very difficult: time consuming, frustrating, and not something I want to do. I am looking for a a good solution...similar to Wordpress's URL rewriting. Is there something I can do with .htaccess file? Any ideas would be MUCH appreciated.

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• convert flv to mp3 with Java

  - by krial

  Hi, I'm pretty new in developing programs in Java. I'm currently writing a program that converts a flv video into mp3. I have already written such a program in Visual Studio.net C#, but the Problem is, that it isn't cross platform compatible... I used the ffmpeg binary to convert the video into mp3, but I can't find ffmpeg binaries for Mac and Linux. (if so, I could start the specific binaries from java, depending on the OS) So I tried to convert the video with Xuggle, but the final mp3 has 0 bytes. My current code is the following: IMediaReader reader = ToolFactory.makeReader("video.flv"); reader.addListener(ToolFactory.makeWriter("music.mp3", reader)); while (reader.readPacket() == null) do {} while(false); Thanks in advance. p.s sorry for my bad english

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• Type casting problem with java for-each loop

  - by pharma_joe

  Hi, I have traced an issue with an application I am developing, it is giving me a type cast exception. Funny thing is it is saying it cannot cast "entities.Movie cannot be cast to entities.Movie"?! movies is an ArrayList. try { movies = getMovies(); } catch (Exception e) { e.printStackTrace(System.out); } finally { try { for (Movie movie : movies) { output.append(" <tr>\n"); output.append(" <td>" + movie.getId() + "</td>"); output.append(" </tr>\n"); } } catch (Exception e) { e.printStackTrace(System.out); } }

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• MultiThreading question

  - by TiGer

  Hi, I am developing on Android but the question might be just as valid on any other Java platform. I have developed a multi-threaded app. Lets say I have a first class that needs to do a time-intensive task, thus this work is done in another Thread. When it's done that same Thread will return the time-intensive task result to another (3rd) class. This last class will do something and return it's result to the first-starting class. I have noticed though that the first class will be waiting the whole time, maybe because this is some kind of loop ? Also I'd like the Thread-class to stop itself, as in when it has passed it's result to the third class it should simply stop. The third class has to do it's work without being "incapsulated" in the second class (the Thread one). Anyone knows how to accomplish this ? right now the experience is that the first one seems to be waiting (hanging) till the second and the third one are done :(

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• Where should we manage session objects in an ASP.NET application?

  - by Kumar

  I am developing a 3-tired ASP.NET C# web application and was wondering where should the sessions be managed. I have a SessionManager class as follows: public sealed class SessionManager { private const string USER = "User"; private SessionManager() { } public static SessionManager Instance { get { return _instance; } } public User User { get { return HttpContext.Current.Session[USER] as User; } set { HttpContext.Current.Session[USER] = value; } } } Now should the session information be managed in the Business Logic Layer or should it be managed in the Presentation Layer?

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• How to save coordinates with Google Map?

  - by Pavel

  Hey everyone. I'm currently developing an app which uses tabs and google map. What I want to do is to get the gps positions, say 3, and store them in sql db (which I'm already doing) and then display them on the map. I already created canvas, added to overlay but those points disappear when I'm changing tabs so I thought if there is a way to somehow store those coords with google map so I can retrieve them and display them nicely whenever I'm clicking the "map tab"? Please can anyone help?

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• How much more productive is an extra monitor?

  - by Sir Graystar

  I am mulling over whether to buy a new monitor, to go along side my current setup of two 24 (ish) inch monitors. What I want to know is whether this is worth the money (probably around £200)? I think most of us will agree that two monitors is much more productive than one when programming and developing (Jeff Atwood has said this many times on his blog, and I imagine that most of you are fans of his), but is three much more productive than two? What I'm worried about is that I will have so much space that one monitor will be used for things that are not related to the task (music, facebook etc.) and it will actually make me less productive.

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• Hashing and salting values

  - by Avanst

  I am developing a small web app that internally authenticates users. Once the user is authenticated my web app then passes some information such as userID and Person's name to a third party web application. The third party developer is suggesting that we hash and salt the values. Forgive my ignorance, but what exactly does that mean? I am writing the app in Java. So what I am planning on doing is hashing the userID, Person's name, and some Math.random() value as the salt with Apache Commons Digest Utils SHA512 and passing that hashed string along with the userID and person's name. Is that the standard practice? I should be passing the third party the salt as well correct?

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• SharePoint use for web application

  - by Adam

  Hi - we are looking at developing a web application that allows users (some subscribed (authenticated) and some not (browsing)). We would like some basic document management, a wiki, a blog etc. and do not expect the app to be heavily used (DB size not an issue at this stage). I require the GUI to be customised to our corporate style and we access to .net development skills which we would like to leverage to develop the application. With this in mind I have the follwoing 3 questions: Is WSS 3.0 / SPF 2010 the correct framework to be building this app on? What are the licensing terms or are these frameworks similar to the .Net framework that once installed on our host server we can use the base services provided to develop our apps on? I hope this makes sense & thanks in advance for any responses.

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