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  • how to pass one variable value frm one class to the oder

    - by Arunabha
    i hav two packages one is com.firstBooks.series.db.parser which hav a java file XMLParser.java,i hav another package com.firstBooks.series79 which hav a class called AppMain.NW i want to send the value of a variable called _xmlFileName frm AppMain class to the xmlFile variable in XMLParser class,i am posting the codes for both the class,kindly help me. package com.firstBooks.series.db.parser; import java.io.IOException; import java.io.InputStream; import java.util.Vector; import net.rim.device.api.xml.parsers.DocumentBuilder; import net.rim.device.api.xml.parsers.DocumentBuilderFactory; import net.rim.device.api.xml.parsers.ParserConfigurationException; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NodeList; import org.xml.sax.SAXException; import com.firstBooks.series.db.Question; public class XMLParser { private Document document; public static Vector questionList; public static String xmlFile; public XMLParser() { questionList = new Vector(); } public void parseXMl() throws SAXException, IOException, ParserConfigurationException { // Build a document based on the XML file. DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); DocumentBuilder builder = factory.newDocumentBuilder(); InputStream inputStream = getClass().getResourceAsStream(xmlFile); document = builder.parse(inputStream); } public void parseDocument() { Element element = document.getDocumentElement(); NodeList nl = element.getElementsByTagName("question"); if (nl != null && nl.getLength() > 0) { for (int i = 0; i < nl.getLength(); i++) { Element ele = (Element) nl.item(i); Question question = getQuestions(ele); questionList.addElement(question); } } } private Question getQuestions(Element element) { String title = getTextValue(element, "title"); String choice1 = getTextValue(element, "choice1"); String choice2 = getTextValue(element, "choice2"); String choice3 = getTextValue(element, "choice3"); String choice4 = getTextValue(element, "choice4"); String answer = getTextValue(element, "answer"); String rationale = getTextValue(element, "rationale"); Question Questions = new Question(title, choice1, choice2, choice3, choice4, answer, rationale); return Questions; } private String getTextValue(Element ele, String tagName) { String textVal = null; NodeList nl = ele.getElementsByTagName(tagName); if (nl != null && nl.getLength() > 0) { Element el = (Element) nl.item(0); textVal = el.getFirstChild().getNodeValue(); } return textVal; } } Nw the code for AppMain class //#preprocess package com.firstBooks.series79; import net.rim.device.api.ui.UiApplication; import com.firstBooks.series.ui.screens.HomeScreen; public class AppMain extends UiApplication { public static String _xmlFileName; public static boolean _Lite; public static int _totalNumofQuestions; public static void initialize(){ //#ifndef FULL /* //#endif _xmlFileName = "/res/Series79_FULL.xml"; _totalNumofQuestions = 50; _Lite = false; //#ifndef FULL */ //#endif //#ifndef LITE /* //#endif _xmlFileName = "/res/Series79_LITE.xml"; _totalNumofQuestions = 10; _Lite = true; //#ifndef LITE */ //#endif } private AppMain() { initialize(); pushScreen(new HomeScreen()); } public static void main(String args[]) { new AppMain().enterEventDispatcher(); } }

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  • AS3 Passing data between objects/classes

    - by 1337holiday
    So i a building a categorized menu of different foods. I have a class for "categories" (buttons) which essentially will return a string "salads", "drinks", etc. I now have another class "menuItems" for items within categories and this handles sizes such as "small", "med", "large", etc. My problem now is that when i return "salads", i want to invoke an array which contains all the elements of salads, send it to menuItems which will populate the menu. So far i have both the category objects and the menu object setup. I just cant seem to be able to send the data that the category object is returning and pass it to the menu object. Both of which are added to the stage as shown below: If there was a way that i could say add all these classes to one class so that they can talk to each other that would be great but i dont know how to do this. Been stuck for hours, please any help is greatly appreciated.

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  • CSS selector for first element with class

    - by Rajat
    I have a bunch of elements with a classname <p class="red"></p> <div class="red"></div> I cant seem to select the first element with the class="red" using the following CSS rule: .red:first-child{ border:5px solid red; } What is wrong in this selector and how to correct it ??

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  • ANDROID: inside Service class, executing a method for Toast (or Status Bar notification) from schedu

    - by Peter SHINe ???
    I am trying to execute a {public void} method in Service, from scheduled TimerTask which is periodically executing. This TimerTask periodically checks a condition. If it's true, it calls method via {className}.{methodName}; However, as Java requires, the method needs to be {pubic static} method, if I want to use {className} with {.dot} The problem is this method is for notification using Toast(Android pop-up notification) and Status Bar To use these notifications, one must use Context context = getApplicationContext(); But for this to work, the method must not have {static} modifier and resides in Service class. So, basically, I want background Service to evaluate condition from scheduled TimerTask, and execute a method in Service class. Can anyone help me what's the right way to use Service, invoking a method when certain condition is satisfied while looping evaluation? Here are the actually lines of codes: The TimerTask class (WatchClipboard.java) : public class WatchClipboard extends TimerTask { //DECLARATION private static GetDefinition getDefinition = new GetDefinition(); @Override public void run() { if (WordUp.clipboard.hasText()) { WordUp.newCopied = WordUp.clipboard.getText().toString().trim().toLowerCase(); if (!(WordUp.currentCopied.equals(WordUp.newCopied))) { WordUp.currentCopied = WordUp.newCopied; Log.v(WordUp.TAG, WordUp.currentCopied); getDefinition.apiCall_Wordnik(); FetchService.instantNotification(); //it requires this method to have {static} modifier, if I want call in this way. } } } } And the Service class (FetchService.java) : If I change the modifier to static, {Context} related problems occur public class FetchService extends Service { public static final String TAG = "WordUp"; //for Logcat filtering //DECLARATION private static Timer runningTimer; private static final boolean THIS_IS_DAEMON = true; private static WatchClipboard watchClipboard; private static final long DELAY = 0; private static final long PERIOD = 100; @Override public IBinder onBind(Intent arg0) { // TODO Auto-generated method stub return null; } @Override public void onCreate() { Log.v(WordUp.TAG, "FetchService.onCreate()"); super.onCreate(); //TESTING SERVICE RUNNING watchClipboard = new WatchClipboard(); runningTimer = new Timer("runningTimer", THIS_IS_DAEMON); runningTimer.schedule(watchClipboard, DELAY, PERIOD); } @Override public void onDestroy() { super.onDestroy(); runningTimer.cancel(); stopSelf(); Log.v(WordUp.TAG, "FetchService.onCreate().stopSelf()"); } public void instantNotification() { //If I change the modifier to static, {Context} related problems occur Context context = getApplicationContext(); // application Context //use Toast notification: Need to accept user interaction, and change the duration of show Toast toast = Toast.makeText(context, WordUp.newCopied+": "+WordUp.newDefinition, Toast.LENGTH_LONG); toast.show(); //use Status notification: need to automatically expand to show lines of definitions NotificationManager mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); int icon = R.drawable.icon; // icon from resources CharSequence tickerText = WordUp.newCopied; // ticker-text long when = System.currentTimeMillis(); // notification time CharSequence contentTitle = WordUp.newCopied; //expanded message title CharSequence contentText = WordUp.newDefinition; //expanded message text Intent notificationIntent = new Intent(this, WordUp.class); PendingIntent contentIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0); // the next two lines initialize the Notification, using the configurations above Notification notification = new Notification(icon, tickerText, when); notification.setLatestEventInfo(context, contentTitle, contentText, contentIntent); mNotificationManager.notify(WordUp.WORDUP_STATUS, notification); } }

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  • How does the below program work in c++?

    - by Srinivasa Varadan
    I have just created 2 pointers which has undefined behavior and try to invoke a class member function which has no object created ? I don't understand this? #include<iostream> using namespace std; class Animal { public: void talk() { cout<<"I am an animal"<<endl; } }; class Dog : public Animal { public: void talk() { cout<<"bark"<<endl; } }; int main() { Animal * a; Dog * d; d->talk(); a->talk(); }

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  • c++ class in cocoa

    - by joels
    Any ideas why Xcode wont let me define a c++ class in my cocoa project? I am trying to use a C++ class in my cocoa project but I am getting build errors just creating the c++ header file. class SomeClass{ public: int count; } Expected '=', ',', ';', 'asm' or 'attribute' before 'SomeClass' in ..... If I remove all code from the header file, ?the cpp file builds without any errors and is included in the list of compiled sources...

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  • USB device Set Attribute in C#

    - by p19lord
    I have this bit of code: DriveInfo[] myDrives = DriveInfo.GetDrives(); foreach (DriveInfo myDrive in myDrives) { if (myDrive.DriveType == DriveType.Removable) { string path = Convert.ToString(myDrive.RootDirectory); DirectoryInfo mydir = new DirectoryInfo(path); String[] dirs = new string[] {Convert.ToString(mydir.GetDirectories())}; String[] files = new string[] {Convert.ToString(mydir.GetFiles())}; foreach (var file in files) { File.SetAttributes(file, ~FileAttributes.Hidden); File.SetAttributes(file, ~FileAttributes.ReadOnly); } foreach (var dir in dirs) { File.SetAttributes(dir, ~FileAttributes.Hidden); File.SetAttributes(dir, ~FileAttributes.ReadOnly); } } } I have a problem. It is trying the code for Floppy Disk drive first which and because no Floppy disk in it, it threw the error The device is not ready. How can I prevent that?

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  • I want jQuery validator to add a class to the form element's parent

    - by Eystein
    How do I use jQuery validator to add/remove a classname (e.g. validate) on the form element's parent <li> so I can style everything related to that element by only setting the one classname? The markup is <li class="validate"> <label for="product">Product of interest <abbr title="Required field">*</abbr></label> <input id="product" type="text" name="product" value="" placeholder="e.g. school bench" class="required" minlength="2"> <!-- Hidden by CSS unless parent has 'validate' class --> <label for="product" class="description">Please name a product.</label> </li> and the default jQuery is $("#commentForm").validate();

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  • What is the best way to distribute C++ class

    - by Tarun
    Hi, I have created a big C++ class. I need to give it to another person. I dont want him to see the function implementations but he should be able to use it as a class. (for example: he can inherit this class, use its full functionality in his code but can not see or change function implementations etc) How can i do this. thanking you..

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  • How to tell Reflectively if an Attribute has a public Setter

    - by DrLazer
    Im saving an object model out to XML but when i load it back in I get exceptions when trying to use PropertyInfo.SetValue() because the property doesn't have a setter just a getter. I want to either not save out the properties that only have getters or figure out on load whether its valid for me to try and set a value or not. Anybody know how to do this Cheers

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  • Required attribute HTML5

    - by Joop
    First of all I will explain how I stumbled into this behavior. Within my web application I am using some custom validation for my form fields. Within the same form I have two buttons. One to actually submit the form and the other to cancel/reset the form. Mostly I use Safari as my default browser. Now Safari 5 is out and suddenly my cancel/reset button didn't work anymore. Every time I did hit the reset button the first field in my form did get the focus. However this is the same behavior as my custom form validation. When trying it with another browser everything just worked fine. I had to be a Safari 5 problem. I changed a bit in my Javascript code and I found out that the following line was causing the problem: document.getElementById("somefield").required = true; To be sure that would be really the problem I created a test scenario: <!DOCTYPE html> <html> <head> <title>Test</title> </head> <body> <form id="someform"> <label>Name:</label>&nbsp;<input type="text" id="name" required="true" /><br/> <label>Car:</label>&nbsp;<input type="text" id="car" required="true" /><br/> <br/> <input type="submit" id="btnsubmit" value="Submit!" /> </form> </body> </html> What I expected would happen did happen. The first field "name" did get the focus automatically. Anyone else stumbled into this?

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  • What CSS attribute stops my site squidging up?

    - by SLC
    I am looking at a website on the internet with the standard centered box design (the entire site is centered in a box and has a border each side). As you shrink it, the border gets smaller but the content stays the same size. This is fine. However on their site, once you get smaller still, you simply get scrollbars. The content remains untouched. On my site if you do this, things like text and links start to scroll onto multiple lines and the whole site gets broken. How can I keep it the same even when the viewport is small?

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  • Sharing class member data between sub components

    - by Tim Gradwell
    I have an aggregate 'main' class which contains some data which I wish to share. The main class also has other class members. I want to share the data with these other class members. What is the correct / neatest way to do this? The specific example I have is as follows. The main class is a .net Form. I have some controls (actually controls within controls) on the main form which need access to the shared data. Main Form - DataX - DataY - Control1 -- Subcontrol1 - Control2 -- SubControl2 SubControls 1 and 2 both wish to access DataX and DataY. The trouble is, I feel like better practice (to reduce coupling), would be that either subcontrols should not know about Main Form, or Main Form should not know about subcontrols - probably the former. For subcontrols not to know about Main Form, would probably mean Main Form passing references to both Controls 1 and 2, which in turn would pass the references on to SubControls 1 and 2. Lots of lines of code which just forward the references. If I later added DataZ and DataW, and Controls 3 and 4 and SubControls 3 and 4, I'd have to add lots more reference forwarding code. It seems simpler to me to give SubControls 1 and 2 member references to Main Form. That way, any sub control could just ask for MainForm.DataX or MainForm.DataY and if I ever added new data, I could just access it directly from the sub controls with no hassle. But it still involves setting the 'MainForm' member references every time I add a new Control or Subcontrol. And it gives me a gut feeling of 'wrong'. As you might be able to tell I'm not happy with either of my solutions. Is there a better way? Thanks

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  • Rails: Link changes one attribute and then goes back

    - by James
    Rails newbie here. I have a list of items which can have a status represented by an integer (right now its just 1=active 0=inactive). What I want is next to each item a link to change the status of that item. So it might look like this: A nice item - Enable Another pretty item - Disable I can't think of how to make the link work. I just want a user to click the link and then the page refreshes and the item get updated. This doesn't work: <%= link_to "Enable", :controller => "items", :action => "update", :status => 1 %>

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  • Injecting single-use object into class

    - by moteutsch
    I have the following code: <?php class X { public function do($url) { $httpRequest = new \HttpRequest\Curl($url, $this->getOptions()); $httpRequest->fire(); // etc. } // ... } In order to be able to unit test this class, I'd like to inject a mocked HttpRequest class. One way to do this would be as follows: <?php class X { private $httpRequestClass; public function __construct($httpRequestClass = '\HttpRequest\Curl') { $this->httpRequestClass = $httpRequestClass; } public function do($url) { $httpRequest = new $this->httpRequestClass($url, $this->getOptions()); $httpRequest->fire(); // etc. } // ... } But this doesn't seem right. Any other ideas?

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  • How to create a class by reading from another class (.cs) file with Powershell?

    - by Razcer
    I have this POGO ( simple putter getter) class that I am trying to read in PowerShell using System; using System.Runtime.Serialization; namespace MyApp.VM { [Serializable] public class MyClassVM { public Int64 CtrId { get; set; } public string CtrName { get; set; } public string CtrPhone { get; set; } public string CtrZip { get; set; } public DateTime AddDate { get; set; } } } Here is the ps1 code that is trying to read the class from a file. function Build-Pogo { $FileDir = "D:\YourDirectoryOfPogo" $ClassName = "MyClassVM" $FileName = $FileDir + "\" + $ClassName + ".cs" # Build the class from the file $AllLines = [string]::join([environment]::newline, (Get-Content $FileName)) Add-Type -TypeDefinition $AllLines # spin thru each property for class $ClassHandle = New-Object -typeName $ClassName $ClassHandle | ForEach-Object {Write-Host $_.name -foregroundcolor cyan} } *Note the last line is placeholder for more complex logic to come later. This breaks at the Add-Type with this error message for each get/set in the file. 'MyApp.VM.MyClassVM.CtrId.get' must declare a body because it is not marked abstract or extern Any info on what I'm doing wrong will be greatly appreciated.

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  • is this class thread safe?

    - by flash
    consider this class,with no instance variables and only methods which are non-synchronous can we infer from this info that this class in Thread-safe? public class test{ public void test1{ // do something } public void test2{ // do something } public void test3{ // do something } }

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  • JQuery setting the selected attribute on a select list

    - by Rupert
    I have the following html <select id="dropdown"> <option>A</option> <option>B</option> <option>C</option> </select> I have the string "B" so I want to set the selected attrribute on it so it will be: <select id="dropdown"> <option>A</option> <option selected="selected">B</option> <option>C</option> </select> How would I do this in JQuery?

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