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• Need an encrypted online source code backup service.

  - by camelCase

  Please note this is not a question about online/hosted SVN services. I am working on a home based, solo developer, project that now has commercial significance and it is time to think about remote source code backup. There is no need for file level check in/out, all I need is once a day or once a week directory level snapshot to remote storage. Automatic encryption would be a bonus to protect my IP. What I have in mind is some sort of GUI interface app that will squirt a source code snapshot off to an Amazon S3 bucket on an automatic schedule. (My development PC runs on MS Windows.)

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• Best way for programmers to edit XAML

  - by JessicaB

  I was wondering how programmers chose to edit XAML. Most of the programmers I speak to seem to edit the raw XML, but that seems nuts to me since it is such a natural thing for a more visual editor (of course you often have to get down to the raw code ultimately, but isn't there a better way to lay out a grid, or edit a template, or add non c# triggers or manage commands? The one that really set me off was editing a menu -- Visual Studio 1.0 had a better menu editor for C++ than the raw XAML editing experience.) When I edit .aspx files I use a visual editor much of the time, and then for the raw stuff I get into the html code. I am aware of Expression Blend, but that seems far more focused on artistic types and GUI experts rather than programmers. Does anyone have recommendations for a better editor for XAML than VS? Especially so since VS seems to have real nasty problems with XAML editing too, like bugginess and poor performance? Appreciate your helping this XAML newbie.

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• What's the best version control system for handling projects with graphics?

  - by acrosman

  I'm part of a small team (usually just two people), I handle the code, he handles the graphic design. In the past I've used CVS to handle version control of the code files, and while we've included the graphics in the repository, he hasn't derived nearly as much value from it as I have. Are there other packages that provide the better features for supporting graphics? The system would need to have an easy to use GUI interface, as I don't think it's fair to expect a graphic designer to learn command-line tools. Additional aspect: The client software needs to run smoothly on OS X (for the designer), and Windows (for the programmer).

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• IronPython/C# Float data comparison

  - by Gopalakrishnan Subramani

  We have WPF based application using Prism Framework. We have embedded IronPython and using Python Unit Test framework to automate our application GUI testing. It works very well. We have difficulties in comparing two float numbers. Example class MyClass { public object Value { get; set;} public MyClass() { Value = (float) 12.345; } } In IronPython When I compare the MyClass Instance's Value property with python float value(12.345), it says it doesn't equal This statement raises assert error self.assertEqual(myClassInstance.Value, 12.345) This statement works fine. self.assertEqual(float(myClassInstance.Value.ToString()), 12.345) When I check the type of the type(myClassInstance.Value), it returns Single in Python where as type(12.345) returns float. How to handle the C# float to Python comparison without explicit conversions?

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• How to handle data output in an Observer?

  - by Mannaz

  I have an Observable and an Observer. The observable does download some stuff in a background thread and calls notifyObservers to let the observers read the status. At some point in public void update the observer tries to updates the GUI ((TextView)findViewById('R.id.foo')).setText("bar"); but it seems like the observable thread calls this method, because the Observable (!!!) throws this: android.view.ViewRoot$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views. at android.view.ViewRoot.checkThread(ViewRoot.java:2462) at android.view.ViewRoot.requestLayout(ViewRoot.java:512) ... at com.mynamespace.acitivty.TrackActivity.startPlay(TrackActivity.java:72) at com.mynamespace.acitivty.TrackActivity.update(TrackActivity.java:107) at java.util.Observable.notifyObservers(Observable.java:147) at java.util.Observable.notifyObservers(Observable.java:128) at com.mynamespace.module.communication.Download.stateChanged(Download.java:213) at com.mynamespace.module.communication.Download.run(Download.java:186) at java.lang.Thread.run(Thread.java:1058) Is there some way I can prevent this from happening? I'm sure I'm missing something obvious here.

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• Why does 'uses unit' disappear when I had a new unit ?

  - by TridenT

  I have a Unit test project for my Application using DUnit framework. This project have a unit surrounded by a $IFDEF to output test-results in a xml file instead of the gui or just command line. XML_OUTPUT define is enabled by switching the Build configuration. program DelphiCodeToDoc_Tests; uses TestFramework, TextTestRunner, Sysutils, Forms, GUITestRunner, {$IFDEF XML_OUTPUT} XmlTestRunner2 in 'DUnit_addon\XmlTestRunner2.pas', {$ENDIF} DCTDSetupTests in 'IntegrationTests\DCTDSetupTests.pas', ... This works perfectly. The issue starts when I'm adding a new unit to this project from the IDE (a new unit with 'FileNewUnit'). The Test project is now : uses TestFramework, TextTestRunner, Sysutils, Forms, GUITestRunner, DCTDSetupTests in 'IntegrationTests\DCTDSetupTests.pas', ... MyNewUnit in 'IntegrationTests\MyNewUnit.pas'; As you see, the test XML_OUTPUT has disappeared ... Each time I'm adding a unit, Delphi IDE deletes this test. Do you know why and how I can avoid it ?

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• python read utf8 text file problem

  - by cpps

  I have a problem with python about reading and print utf8 text file. I have a test.txt in utf8 encoding without BOM. This file has two characters in it: ?? The first character "?" is Chinese and the second "?" is Japanese. Now, When I use Ulipad (a python editor) to run the following code to read the txt file, and print these two characters. import codecs infile = "C:\\test.txt" f = codecs.open(infile, "r", "utf-8") s = f.read() print(s) I got this error, "UnicodeEncodeError: 'cp950' codec can't encode character '\u58f0' in position 1: illegal multibyte sequence" I found it caused from the second character "?" . But when I use the same code to test in python default GUI IDLE, it works to print the two characters with no error. So, how can I fix the problem. My running environment is python 3.1 , windows xp traditional Chinese.

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• When to use MVP in Windows Forms .net application?

  - by Janalopa

  I am familiar with MVC/MVP though my question is simple, I'm about to program a simple Instant Messaging software when the engine and communication part is an open API. so my software will have about 3 forms, a splash screen with login details, the options form and a main form with all the functionality like: Friends List, Send message, Received messages (tabbed), search user, etc. In UI perspective, its important for the GUI to be in 1 form in my application. So my question is, for the only complicated form that I'm going to have, is it necessary to implement an MVP design pattern or in this case its better to just go straight forward and put all the logic in 1 place? THANKS Janalopa!

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• FOX toolkit, file concatentation

  - by Robb

  I'm using the FOX Toolkit and C++ to develop a GUI. I'm Having an issue with the FXFile::concat(...) command. The method looks like: FXFile::concat(const FXString & srcfile1, const FXString & srcfile2, const FXString & dstfile, FXbool overwrite = false And when I call it with the srcfile1 and dstfile being the same thing (because I need to simply add to srcfile1), the method does not work. dstfile is empty. Anyone have experience with FOX and this concatentation problem? I'm open to other suggestions as well, including boost.

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• Occasional InterruptedException when quitting a Swing application

  - by Joonas Pulakka

  I recently updated my computer to a more powerful one, with a quad-core hyperthreading processor (i7), thus plenty of real concurrency available. Now I'm occasionally getting the following error when quitting (System.exit(0)) an application (with a Swing GUI) that I'm developing: Exception while removing reference: java.lang.InterruptedException java.lang.InterruptedException at java.lang.Object.wait(Native Method) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134) at sun.java2d.Disposer.run(Disposer.java:125) at java.lang.Thread.run(Thread.java:619) Well, given that it started to happen with a more concurrency-capable hardware, and it has to do with threads, and it happens occasionally, it's obviously some kind of timing thing. But the problem is that the stack trace is so short. All I have is the listing above. It doesn't include my own code at all, so it's somewhat hard to guess where the bug is. Has anyone experienced something like this before? Any ideas how to start solving it?

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• Call a function by its name, given from string java

  - by Joao

  Hello, I would like to be able to call a function based on its name provided by a string. Something like public void callByName(String funcName){ this.(funcName)(); } I have searched a bit into lambda funcions but they are not supported. I was thinking about going for Reflection, but I am a bit new to programming, so I am not so familiar with the subject. This whole question was brought up on my java OOP class, when I started GUI (Swing, swt) programming, and events. I found that using object.addActionCommand() is very ugly, because I would later need to make a Switch and catch the exact command I wanted. I would rather do something like object.attachFunction(btn1_click), so that it would call the btn1_click function when the event click was raised. Thank you Joao

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• C# ProgressBar design pattern

  - by MadSeb

  Hi, I'm working on a database upgrader application. The upgrader updates the schema of a database ( adds new columns, renames columns , adds new tables, new views to an existing database by executing SQL statements ). When a user wants to upgrade from version 1.0 to 2.0 , "Upgrader" objects are taken from an object factory and the "Execute" method of each "Upgrader" is called. The GUI of the application has a progress bar and each time an upgrader object performs a SQL statement the progress bar gets incremented. while (!version.Equal(CurrentVersion)) { IUpgrader myUpgrader = UpgraderFactory.GetUpgrader(version); myUpgrader.Execute(UpgradedFile,progressbar); version.Increment(); } My question is very simple : how should the upgrader object communicate with the progressbar. In the code above, the upgrader object is given direct access to the progressbar but I'm wondering if some better way of doing this or better design pattern exists. Regards, Seb

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• Parsing plain Win32 PE File (Exe/DLL) in .NET

  - by Usman

  I need to parse plain Win32 DLL/Exe and need to get all imports and exports from it and to show it on console or GUI(say Win Forms). Is it possible to parse Win32 DLL/Exe in C#.NET, read its export table,import table and get managed types from it. As its unmanaged PE(.NET doesn't allows you to convert unmanaged PE files to managed .NET assemblies, only it generates COM managed assemblies). So how to parse export and import tables of PE files and take all methods(signatures from it) in managed form.(e.g if char* as argument, it should display as IntPtr)

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• Python Solitaire

  - by Kevin

  This is more of a thought i had awhile rather than an actual problem to solve, maybe more a discussion, but i was wondering if it would be possible to design the game of solitaire and be abkle to play it in the python GUI or some other form of iterface? I know you can get a deck of cards fairly easily and i know yuo can play simple games like snap and so on but i thought solitaire would be more challenging and fun because there is alot more logic behind it than just laying out the cards randomly. Any ideas? (I would be intrested to hear about or see any solutions if anyone had any links etc..)

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• Strategy for unsubscribing event handlers

  - by stiank81

  In my WPF application I have a View that is given a ViewModel, and when given this View it adds event handlers to the ViewModel's PropertyChanged event. When some action occur in the GUI I remove the View and add another View to the holding container - where this new one is bound to the same ViewModel. After this has happened the old View still keeps handling PropertyChanged events in the ViewModel. I'm assuming this happens because the View hasn't been collected by the Garbage Collector yet, and therefore is alive? Well - I need it to stop. My assumption is that I need to manually detach the event handler from the ViewModel? Is there a best-practice on how to handle this?

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• After I've installed it, NUnit doesn't appear in VS2008

  - by Richard77

  Hello, I downloaded and installed NUnit successfuly (or so I was told by the installer). Now, when I start a project, I don't see NUnit in the 'Create UnitTest' prompt as one the choice I'm givven to. All I can see are (i) VS Unit Test and (ii) Mb Unit v3 as choices. In fact, I downloaded today the MbB Unit. After, installing it, I was able to see it right away in the prompt. What happen to the NUnit? Althought, I can see it when I do Start - All Programs Or maybe NUnit dosn't need to appear in the prompt as choice since it has its own GUI. Thanks for helping

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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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• Why does asp.net mvc form submits itself on button clicks when javascript function error?

  - by melaos

  hi guys, i'm new to the asp.net mvc, and while working on this, i used very basic asp.net mvc stuff like beginform, etc. i used a lot of jquery codes this round for client side validation, ajax data retrieval, and other gui works. and i used a combinations of html inputs buttons, etc and the asp.net mvc type of controls. what i noticed is that whenever i click on a button control, which sometimes are tied to either jquery oclick events, when there's a javascript error, the page will just go on and submit. why is this happening and what am i missing here? my bad for the dumb questions.. thanks

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• Read / write program in Java using JFileChooser

  - by Casper Marcussen

  Didn't want to bother people in here, but since I am under a time pressure, I am desperate to get help. My questions is how to link the file choosen from a JFileChooser to a file, and how to convert it to string being able to display and edit it in a TextArea. I have the GUI set up using swing, but the link between actionListener and the JFileChooser is not complete. Any help would be much appreciated. Code: http://pastebin.com/p3fb17Wi EDIT: I found this program, that does pretty much what i wanted to, but it does not allow me to save the actual file : http://www.java-forums.org/new-java/8856-how-get-content-text-file-write-jtextarea.html

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• Scaffolding Web Services in Grails

  - by Dan

  I need to implement a web app, but instead of using relational database I need to use different SOAP Web Services as a back-end. An important part of application only calls web services and displays the result. Since Web Services are clearly defined in form of Operation: In parameters and Return Type it seems to me that basic GUI could be easily constructed just like in the case of scaffolding based on Domain Entities. For example in case of SearchProducts web service operation I need to enter search parameters as input, so the search page can be constructed. Operation will return a list of products, so I need a page that will display this list in some kind of table. Is there already some library in grails that let you achieve this. If not, how would you go about creating one?

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• How to change the cursor type

  - by Jessy

  This question is related to the previous post. http://stackoverflow.com/questions/2532936/how-to-save-file-and-read How can I change the cursor to "Hand" only when the mouse pointed on grid which is not Null (contained images)? So far the cursor turn to "Hand" all over the grids (null or not null). public GUI() { .... JPanel pDraw = new JPanel(); .... for(Component component: pDraw.getComponents()){ JLabel lbl = (JLabel)component; //add mouse listener to grid box which contained image if (lbl.getIcon() != null) lbl.addMouseListener(this); } public void mouseEntered(MouseEvent e) { Cursor cursor = Cursor.getDefaultCursor(); //change cursor appearance to HAND_CURSOR when the mouse pointed on images cursor = Cursor.getPredefinedCursor(Cursor.HAND_CURSOR); setCursor(cursor); }

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• Dendrogram generated by scipy-cluster does not show

  - by Space_C0wb0y

  I am using scipy-cluster to generate a hierarchical clustering on some data. As a final step of the application, I call the dendrogram function to plot the clustering. I am running on Mac OS X Snow Leopard using the built-in Python 2.6.1 and this matplotlib package. The program runs fine, but at the end the Rocket Ship icon (as I understand, this is the launcher for GUI applications in python) shows up and vanishes immediately without doing anything. Nothing is shown. If I add a 'raw_input' after the call, it just bounces up and down in the dock forever. If I run a simple sample application for matplotlib from the terminal it runs fine. Does anyone have any experiences on this?

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• Java: Sockets or RMI?

  - by StillLearning

  Hi, I need to separate our application into a light-weight gui application and a business logic application. This won't be a client/server setup as such, as the 'server' component will only have one client. The other limitation in the application is that it has only one entry/exit point. Therefore if we were to use RMI, it would only ever be on one function. All form data is already wrapped up into a string and passed through one transport area. Should I just use Java Sockets to enhance this application, or go with RMI? Or some other Java technology? I made a previous post outlining the requirements of our application, however it went unanswered. http://stackoverflow.com/questions/2604528/terminal-panel-pc-single-server-solution-client-server-or-rdp Cheers.

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• Consuming Web Services in Netbeans

  - by Seven

  Hi. I've setup a project in Netbeans 6.5 with some web services that I've created myself and some web services that I've imported from WSDL files. I've setup a couple of desktop application through Netbeans in order to consume these web services. I'm not too sure where to go from here. I have the GUI setup but not sure how to reference the web services so they can be consumed. I was wondering would anybody be able to guide me through this process or point me in the direction of a relevant tutorial. I'd also like to learn how to consume a web service through a JSP (also created in Netbeans) if possible. Thanks.

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• How can I get VS2008 winforms designer to render a Form that implements an abstract base class

  - by BeowulfOF

  Hi, I engadged a problem with inherited Controls in WinForms, and need some advice on it. I do use a base class for items in a List (selfmade GUI list made of a panel) and some inherited controls that are for each type of data that could be added to the list. There was no problem with it, but I know found out, that it would be right, to make the base-control an abstract class, since it has methods, that need to be implemented in all inherited controls, called from the code inside the base-control, but must not and can not be implemented in the base class. When I mark the base-control as abstract, the VS2008 Designer refuses to load the window. Is there any way to get the Designer work with the base-control made abstract?

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