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• Is it possible to run a compiled program with Xcode on Mac OS X in FreeBSD? (Objective-C/Cocoa)

  - by Eonil

  Hi. I have a plan to build a web-site which running CGI made with Cocoa. My final goal is develop on Mac OS X, and run on FreeBSD. Is this possible? As I know, there is a free implementation of some NextStep classes, the GNUStep. The web-site is almost built with only strings. I read GNUStep documents, classes are enough. DB connection will be made with C interfaces. Most biggest problem which I'm concerning is linking and binary compatibility. I'm currently configuring FreeBSD on VirtualBox, but I wanna know any possibility informations about this from experts. This is not a production server. Just a trial. Please feel free to saying anything.

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• Writing secure java code with RMI

  - by jtnire

  Hi Everyone, This may seem like a very broad question, but any help is appreciated. I have a client/server solution written in java which uses the Cajo project (which uses RMI). I just want to try and make my solution as secure as possible, given the sensitive data that will be transferred between server and client. So far, my ideas are to make all my classes "final" as well as throw a "non-serializable" exception for all my classes in the server (except for the object bound in the RMI registry, and any objects that actually do need to be transferred of course). Can anyone think of any other ideas? I know that someone could write a malicious client - this isn't hard to do as you can find out the remote object's API using reflection. However is there anything I can do to protect a malicious client access classes/objects within the server that they are not supposed to access? Many Thanks

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• How to pass or display mySQL data based on subscription or billing

  - by spm

  I want to build a PHP based site where, the user can view data based on the types of data they've paid for. Allow me to use something simple for an example. Let's say historical data for basketball was not readily available but could be purchased. Simple information such as the Winner, Loser, Final score and date are all stored in a mySQL table. What would be involved so that, when the user logs in, they can only see the historical data they have paid for. My theories so far about the architecture: I imagined a mySQL table storing True or False values for all historical game data they have paid for. Based on this, a 'data chart' object enables the user to view all data within their mySQL row which has a value of 'true.' Follow ups: Assuming I am correct, what methods are popular or practical for this type of service.

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• How can I leverage String constants in an XML file?

  - by jayshao

  I'd like to enforce standardized keys by storing them as static final String variables on a Java class, and either referencing or statically importing them, to use them as values in either XML, Strings, Methods, Annotations, etc. Does anyone know a good way to have Maven insert (like filtering) values like StringKeys.SOME_KEY into an XML file? e.g. something like <element value="${StringKeys.SOME_KEY}"/> or similar - the main idea is to enforce commonality and prevent key mis-alignment. Or an alternative solution to accomplish the same - with some semantic that if a non-existant String is referenced, that it fails during build? Bonus points if it works in C# as well.

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• User controls in masterpage and anonymous user

  - by Senad Uka

  I am developing a master page which includes the user control that generates a menu from the list with a specific logic. Before including the control into master page I successfully configured anonymous access to the site. After including the control and deploying - site prompts for user name and password. I allowed the anonymous access to the list. Oh yes ... It worked on SHarepoint 2010 beta, but the problem happens when deploying to the Sharepoint 2010 final release. Additional data: I am using Sharepoint Server 2010 with Standard features, standalone instalation on Windows Server 2008 R2 for deployment, and Visual Studio 2010 Ultimate for development of masterpage and user control.

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• Implementing logout function

  - by Nitish Kumar

  Hi, I am working on my final year project which is an web based application. I want to implement logout function in that project. But don't know how to do that. Also I want to implement auto logout functionality i.e. after a particular time period say after 20 minutes a user will be automatically logged out if he/she does not perform any action during this period. A message should be displayed to the user "Sorry, Your session has expired Please login again". How to do that?

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• Convert Qcolor value to hex value

  - by vettipayyan

  I have implemented a Qcolor dialog box which opens on certain condition. To get the selected color after final selection i use the method selectedColor() which returns the value in QColor . When i print that value , it's like this : <PyQt4.QtGui.QColor object at 0x01DD7880> I want color value in hex value . like this : #DFDFDF (for grey ). If it's not hex , correct me. Is there any function to convert that? Any suggestions welcome .

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• Java threads problem

  - by MyNameIs

  Hi! I have a problem with java threads: public class MyClass{ public void Core(){ runTools(); //here I would like to call runTools() method } public void runTools(){ final String run_tool ="cmd.exe /C sources.exe"; Runnable doRun = new Runnable() { public void run() { try { Process tool_proc = Runtime.getRuntime().exec(run_tool); } catch (IOException e) { e.printStackTrace(); } } }; Thread th = new Thread(doRun); th.start(); } } If I do this, then I don't know why, but the thread doesn't work. Please give me some ideas to create a thread. I have already been seen lots of examples, but I should some code such as my example here. Thanks!

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• Define a class dynamically?

  - by Pekka

  Is there a way to dynamically and conditionally create a class definition in PHP, i.e. if (condition matches) include file containing class definition else class myclass extends ancestor_class { .................... } without eval()? My background is the accepted answer to this question. I am looking for the best way to build a untouchable core library, with user-defined empty classes extending the core library if necessary. I want to create the final class definition "on the fly" if there is no user-defined empty class for a certain ancestor class.

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• #ifndef syntax for include guards in C++

  - by PhADDinTraining

  I'm currently studying for a CS course's final exam and I've run into a minor (maybe major?) issue regarding the syntax of C++ #ifndef. I've looked at the syntax for #infndef when using it as an #include guard, and most on the web seem to say: #ifndef HEADER_H #include "header.h" ... #endif But my class's tutorial slides show examples as: #ifndef __HEADER_H__ #include "header.h" ... #endif I was wondering what (if any) the difference was between the two. The exam will most likely ask me to write an #include guard, and I know conventional wisdom is to just go with what the prof / tutor says, but if there's a difference during compilation I'd like to know. Thanks all!

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• How can I output the fitted values?

  - by zenbomb

  Sorry if this is a novice question, but I don't understand it. I am fitting a sigmoid curve to my data with glm(). This works, I can plot the output and I see a nice sigmoid curve. However, how do I get R to return the final values it has fit? As I understand it, R fits the data to logit(y) = b0 + b1x, but when I do > summary(glm.out) I only get Call: glm(formula = e$V2 ~ e$V1, family = binomial(logit), data = e) Deviance Residuals: 1 2 3 4 5 6 7 -0.00001 -0.06612 -0.15118 -0.34237 0.20874 0.08724 -0.19557 Coefficients: Estimate Std. Error z value Pr(>|z|) (Intercept) -24.784 20.509 -1.208 0.227 e$V1 2.073 1.725 1.202 0.229 (Dispersion parameter for binomial family taken to be 1) Null deviance: 4.60338 on 6 degrees of freedom Residual deviance: 0.23388 on 5 degrees of freedom AIC: 5.8525 Number of Fisher Scoring iterations: 8 How do I get b0 and b1?

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• C# Executing timed commands with varying times

  - by Gio Borje

  I have a timer control and a grid with a List of coordinates for the grid. I was wondering how I could use the timer control or any other control in order to execute code in the interval, coordinate.Time as it varies for each coordinate. Also, thread.sleep(time) is not an option for me. foreach (Coordinate coordinate in this.Macro) { coordinate.Time; coordinate.Initial; coordinate.Final; ... executecode @ coordinate.Time. }

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• Constructor with non-instance variable assistant?

  - by Robert Fischer

  I have a number of classes that look like this: class Foo(val:BasicData) extends Bar(val) { val helper = new Helper(val) val derived1 = helper.getDerived1Value() val derived2 = helper.getDerived2Value() } ...except that I don't want to hold onto an instance of "helper" beyond the end of the constructor. In Java, I'd do something like this: public class Foo { final Derived derived1, derived2; public Foo(BasicData val) { Helper helper = new Helper(val); derived1 = helper.getDerived1Value(); derived2 = helper.getDerived2Value(); } } So how do I do something like that in Scala? I'm aware of creating a helper object of the same name of the class with an apply method: I was hoping for something slightly more succinct.

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• how to get xml html after transpose and databind()

  - by rlee923

  Hi. I have some code that uses xsl and xml. The Xml control is on the design page. The xml control id is xmlApplication The xmlstring is generated and xsl has the format with all the tables and cells etc. Here is a part of thecode of a page which generates the final product which shows the xml in a certain format. xmlApplication.Document = xmlDoc; xmlApplication.Transform = transApp; xmlApplication.DataBind(); I am guessing after xmlApplication.Databind(), xmlApplication will be converted into something that can be put inside . Is it possible to grab as a string? Please let me know if I have a wrong idea abut this. Thanks a lot.

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• Android - How to launch Google map intent in android app with certain location, zoom level and marker

  - by umirza47

  Map Intent not working with specific zoom level as well as custom marker float lat = 40.714728f; float lng = -73.998672f; String maplLabel = "ABC Label"; final Intent intent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse("geo:0,0?q="+lat+","+lng+"&z=16 (" + maplLabel + ")")); startActivity(intent); Anybody know what is wrong? or how to do so? I want to show map of certain (lat,lng) with a custom label-marker at a specific zoom level.

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• What is the best strategy for populating a TableView from a service?

  - by alrutherford

  I have an application which has a potentially long running background process. I want this process to populate a TableView as results objects are generated. The results objects are added to an observableList and have properties which are bound to the columns in the usual fashion for JavaFX. As an example of this consider the following sample code Main Application import java.util.LinkedList; import javafx.application.Application; import javafx.collections.FXCollections; import javafx.collections.ObservableList; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.geometry.Insets; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.control.TableColumn; import javafx.scene.control.TableView; import javafx.scene.control.cell.PropertyValueFactory; import javafx.scene.layout.VBox; import javafx.stage.Stage; public class DataViewTest extends Application { private TableView<ServiceResult> dataTable = new TableView<ServiceResult>(); private ObservableList<ServiceResult> observableList; private ResultService resultService; public static void main(String[] args) { launch(args); } @Override public void start(Stage stage) { observableList = FXCollections.observableArrayList(new LinkedList<ServiceResult>()); resultService = new ResultService(observableList); Button refreshBtn = new Button("Update"); refreshBtn.setOnAction(new EventHandler<ActionEvent>() { @Override public void handle(ActionEvent arg0) { observableList.clear(); resultService.reset(); resultService.start(); } }); TableColumn<ServiceResult, String> nameCol = new TableColumn<ServiceResult, String>("Value"); nameCol.setCellValueFactory(new PropertyValueFactory<ServiceResult, String>("value")); nameCol.setPrefWidth(200); dataTable.getColumns().setAll(nameCol); // productTable.getItems().addAll(products); dataTable.setItems(observableList); Scene scene = new Scene(new Group()); stage.setTitle("Table View Sample"); stage.setWidth(300); stage.setHeight(500); final VBox vbox = new VBox(); vbox.setSpacing(5); vbox.setPadding(new Insets(10, 0, 0, 10)); vbox.getChildren().addAll(refreshBtn, dataTable); ((Group) scene.getRoot()).getChildren().addAll(vbox); stage.setScene(scene); stage.show(); } } Service public class ResultService extends Service<Void> { public static final int ITEM_COUNT = 100; private ObservableList<ServiceResult> observableList; /** * Construct service. * */ public ResultService(ObservableList<ServiceResult> observableList) { this.observableList = observableList; } @Override protected Task<Void> createTask() { return new Task<Void>() { @Override protected Void call() throws Exception { process(); return null; } }; } public void process() { for (int i = 0; i < ITEM_COUNT; i++) { observableList.add(new ServiceResult(i)); } } } Data public class ServiceResult { private IntegerProperty valueProperty; /** * Construct property object. * */ public ServiceResult(int value) { valueProperty = new SimpleIntegerProperty(); setValue(value); } public int getValue() { return valueProperty.get(); } public void setValue(int value) { this.valueProperty.set(value); } public IntegerProperty valueProperty() { return valueProperty; } } Both the service and the TableView share a reference to the observable list? Is this good practise in JavaFx and if not what is the correct strategy? If you hit the the 'Update' button the list will not always refresh to the ITEM_COUNT length. I believe this is because the observableList.clear() is interfering with the update which is running in the background thread. Can anyone shed some light on this?

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• Free sounds for iPhone games.

  - by Roger Gilbrat

  I'm looking for a good source for sound effects for my iPhone game. I like SoundSnap, but they charge you for every sound you download, not just the ones you end up using. Sound design in games can be a very iterative process and I don't want to pay for 10 sounds I never use before finding the right one. freesound.org is another really good site, but they are all CC licensed and can't be used in commercial games. It's unclear if a free iPhone App is considered commercial (or if my final game will be free). Googling for this returns a huge number of pay sites with horrible web pages. I don't mind paying for sounds, but I want to pay for what I use. Any good personal recommendations?

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• Best practice for passing configuration to each GUI object

  - by Laimoncijus

  Hi, I am writing an application, where I do have few different windows implemented, where each window is a separate class. Now I need somehow to pass a single configuration object to all of them. My GUI is designed in way, where I have one main window, which may create some child windows of its own, and these child windows can have their own childs (so there is no possibility to create all windows in initialization part and feed the config object to all of them from the very beginning)... What would be best practice for sharing this configuration object between them? Always passing via constructor or maybe making it somewhere as final public static and let each window object to access it when needed? Thanks

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• Extract object (*.o) files from an iPhone static library

  - by Brett

  I have a set of iPhone static libraries (a *.a file) in which I only call a few of the classes from. I have used AR in the past (with linux libraries) to extract the object files from the static library, remove the unwanted object files and rearchive. However, when I try this with an iPhone compliled static library, I get the following error: ar: CustomiPhoneLib.a is a fat file (use libtool(1) or lipo(1) and ar(1) on it) ar: CustomiPhoneLib.a: Inappropriate file type or format Does anyone know how to extract the object files from an iphone compiled static library? Doing thie could potentially reduce the final file size.

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• How to give FTP address in java?

  - by i2ijeya

  I have written the code which downloads the file from FTP server. Since I have my FTP server locally and I want to access like "ftp://localhost/alfresco". It was alfresco's FTP. I have the following Code public class FtpTransfer { public static final void main(String[] args) { FTPClient ftp = new FTPClient(); FileOutputStream br = null; try { ftp.connect("ftp://localhost/alfresco"); ftp.login("admin", "admin"); String file = "KPUB//Admin//TMM//Pickup//TMM_TO_ARTESIA_06152010220246.xml"; br = new FileOutputStream("file"); ftp.retrieveFile("/"+file, br); System.out.println("Downloaded..."); } catch(IOException exception) { System.out.println("Error : "+exception); } } } The following exception occurs. Error : java.net.UnknownHostException: ftp://localhost/alfresco Please let me know how should I give the FTP Host Address?

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• Read the "Human friendly" text of a WebPage

  - by oidfrosty

  I need to read the final user page text, for example : "&#x73;&#x74;&#x61;&#x63;&#x6B;&#x6F;&#x76;&#x65;&#x72;&#x66;&#x6C;&#x6F;&#x77;&#x2E;&#x63;&#x6F;&#x6D;" is displayed as "stackoverflow.com". the aim is to avoid the use of script/encoding to avoid my filters it will be done with a content filtering proxy. i was thinking about injecting a script in the page

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• Creating ActionEvent object for CustomButton in Java

  - by Crystal

  For a hw assignment, we were supposed to create a custom button to get familiar with swing and responding to events. We were also to make this button an event source which confuses me. I have an ArrayList to keep track of listeners that would register to listen to my CustomButton. What I am getting confused on is how to notify the listeners. My teacher hinted at having a notify and overriding actionPerformed which I tried doing, but then I wasn't sure how to create an ActionEvent object looking at the constructor documentation. The source, id, string all confuses me. Any help would be appreciated. Thanks! code: import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.util.List; import java.util.ArrayList; public class CustomButton { public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { CustomButtonFrame frame = new CustomButtonFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); } }); } public void addActionListener(ActionListener al) { listenerList.add(al); } public void removeActionListener(ActionListener al) { listenerList.remove(al); } public void actionPerformed(ActionEvent e) { System.out.println("Button Clicked!"); } private void notifyListeners() { ActionEvent event = new ActionEvent(CONFUSED HERE!!!!; for (ActionListener action : listenerList) { action.actionPerfomed(event); } } List<ActionListener> listenerList = new ArrayList<ActionListener>(); } class CustomButtonFrame extends JFrame { // constructor for CustomButtonFrame public CustomButtonFrame() { setTitle("Custom Button"); CustomButtonSetup buttonSetup = new CustomButtonSetup(); this.add(buttonSetup); this.pack(); } } class CustomButtonSetup extends JComponent { public CustomButtonSetup() { ButtonAction buttonClicked = new ButtonAction(); this.addMouseListener(buttonClicked); } // because frame includes borders and insets, use this method public Dimension getPreferredSize() { return new Dimension(200, 200); } public void paintComponent(Graphics g) { Graphics2D g2 = (Graphics2D) g; // first triangle coords int x[] = new int[TRIANGLE_SIDES]; int y[] = new int[TRIANGLE_SIDES]; x[0] = 0; y[0] = 0; x[1] = 200; y[1] = 0; x[2] = 0; y[2] = 200; Polygon firstTriangle = new Polygon(x, y, TRIANGLE_SIDES); // second triangle coords x[0] = 0; y[0] = 200; x[1] = 200; y[1] = 200; x[2] = 200; y[2] = 0; Polygon secondTriangle = new Polygon(x, y, TRIANGLE_SIDES); g2.drawPolygon(firstTriangle); g2.setColor(firstColor); g2.fillPolygon(firstTriangle); g2.drawPolygon(secondTriangle); g2.setColor(secondColor); g2.fillPolygon(secondTriangle); // draw rectangle 10 pixels off border int s1[] = new int[RECT_SIDES]; int s2[] = new int[RECT_SIDES]; s1[0] = 5; s2[0] = 5; s1[1] = 195; s2[1] = 5; s1[2] = 195; s2[2] = 195; s1[3] = 5; s2[3] = 195; Polygon rectangle = new Polygon(s1, s2, RECT_SIDES); g2.drawPolygon(rectangle); g2.setColor(thirdColor); g2.fillPolygon(rectangle); } private class ButtonAction implements MouseListener { public void mousePressed(MouseEvent e) { System.out.println("Click!"); firstColor = Color.GRAY; secondColor = Color.WHITE; repaint(); } public void mouseReleased(MouseEvent e) { System.out.println("Released!"); firstColor = Color.WHITE; secondColor = Color.GRAY; repaint(); } public void mouseEntered(MouseEvent e) {} public void mouseExited(MouseEvent e) {} public void mouseClicked(MouseEvent e) {} } public static final int TRIANGLE_SIDES = 3; public static final int RECT_SIDES = 4; private Color firstColor = Color.WHITE; private Color secondColor = Color.DARK_GRAY; private Color thirdColor = Color.LIGHT_GRAY; }

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• Open source LINQ search engine for website

  - by Noel

  I want to add a search engine to my website. I want it to handler boolean searches and give me a list of results in order or best match. I need it to be able to work with LINQ, because I want to add additional where clauses to the final query that gets run. I am looking for the best open source .NET search engine that works with LINQ. I like lucene.net but the problem is the LINQ interface (LINQ to Lucene) hasn't been updated since 2008. Are there any good options out there?

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• How can I programmatically copy all of the style attributes from one DOM element to another

  - by stu

  I have a page with two frames, and I need to (via javascript) copy an element and all of its nested elements (it's a ul/li tree) and most importantly it's style from one frame to the other. I get all the content via assigning innerhtml, and I am able to position the new element in the second frame with dest.style.left and dest.style.top and it works. But I'm trying to get all the style information and nothing's happening. I'm using getComputedStyle to get the final style for each source element as I loop through each node then and assigning them to the same position in the destination nodelist and nothing happens to visually change the style. What am I missing?

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• How to translate such AS3 class into C#?

  - by Ole Jak

  So I try to create opensource C# project for slicing FLVs I began with translating of existing project called flvslicer Can any one please help me with translating one of their classes package org.bytearray.video.events { import flash.events.Event; import flash.utils.ByteArray; public final class MergedEvent extends Event { public var time:Number; public var stream:ByteArray; public static const COMPLETE:String = "mergeComplete"; public function MergedEvent(type:String, stream:ByteArray, duration:Number) { super(type, false, false); // base this.stream = stream; this.time = duration; } } }

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