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  • What technologies are appropriate for a human workflow system?

    - by CCw
    I'm researching various workflow architectures and it is overwhelming. The workflow system I am creating will be almost completely human-driven. Very little, if any, asynchronous activity will be taking place. One possibility is to simply use a RDBMS and have a task table, from which stored procedures would be used to enforce synchronous access to each task. This seems very simple, but I'm having a hard time coming up with reasons why I might need to involve a heavier solution. If my system has ~500 concurrent users, and there is very little in the way of automated or asynchronous tasks, should I even consider the various workflow patterns/packages out there like Mule, BPEL/SOA, Spring Work Flow, etc?

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  • How to putExtra() in Searchable Dictionary Example

    - by sirlunchalot
    Hi, based on the Searchable Dictionary sample I tried to put extra data to a different activity. public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Spinner distance = (Spinner) findViewById(R.id.distanceSpinner); ArrayAdapter<CharSequence> adapterDistance = ArrayAdapter.createFromResource( this, R.array.distance, android.R.layout.simple_spinner_item); adapterDistance.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); distance.setAdapter(adapterDistance); Intent intent = getIntent(); if (Intent.ACTION_VIEW.equals(intent.getAction())) { // handles a click on a search suggestion; launches activity to show word mapIntent = new Intent(this, Map.class); mapIntent.setData(intent.getData()); mapIntent.putExtra("Distance", distance.getSelectedItemPosition()); startActivity(mapIntent); finish(); } } In my Map Class Distance is always zero because distance.getSelectedItemPostion() gets the initialized value. How can I putExtra data with a click on a search suggestion? Thanks

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  • req.getParameter returns values wrong character encoding

    - by coder247
    I'm trying to get values from a JSP using getParameter which includes ü,é,à etc. But get wrong values in servlet. I've checked the content type with firebug and found that Content-Type text/html;charset=UTF-8 checked the POST section with firebug and found the correct value there, when I try to access it in servlet it is wrong. Gives ö instead of ö req.getCharacterEncoding(); returns null. Tried with setting req.setCharacterEncoding("UTF-8"); at the beginning of servlet but didn't help.

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  • Setting up new project in Eclipse

    - by kbrin80
    So I set up a new project into Eclipse and created a build.xml that creates a war file. The problem that I am having is that the only files that are included in the war are what's in the WEB-INF. How do you include my web folder into the war? Project src web WEB-INF

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  • Default Record Voice in Android

    - by Fevos
    Hi, i notice in the Android Default Voice Recorder that can sense how loud is your voice and show it to you in UI parameter . Can i use this from the intent or how can i program a code that sense the loudness of the voice in Android.

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  • how to compare two wav files?

    - by saptarshi
    Lets say we have taken a mic input (say "hello") and stored it as a wav file.Then we take the same input "hello" from the mic .Now if the two are identical then we trigger an action.So how do we compare and check the raw data of the two inputs?

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  • How does quartz track the time

    - by Nrj
    How does quartz track the time ? Is it a continuous timer running in background or does it somehow uses the OS scheduler or is it something else ? Which class actually holds this feature ? Thanks.

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  • How to implement a ilike Facebook system without user authentication and still prevent users from cheating ?

    - by fabien7474
    Hi, I am trying to implement something done in almost any website out there : a 'ilike' button (like Facebook) that does not require user authetication to be used for any article of my website written in Grails. I don't want to use any external solution, so I need to implement it myself (or use a grails plugin). So my question is : What does it take to implement this 'ilike' button and prevent users from cheating? For instance, do I need to store local cookies (I suppose yes)? Do I need to check the session ID and IP of the HTTP request? Any well-known implementation are welcomed. Thank you very much for your help.

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  • "no inclosing instance error " while getting top term frequencies for document from Lucene index

    - by Julia
    Hello ! I am trying to get the most occurring term frequencies for every particular document in Lucene index. I am trying to set the treshold of top occuring terms that I care about, maybe 20 However, I am getting the "no inclosing instance of type DisplayTermVectors is accessible" when calling Comparator... So to this function I pass vector of every document and max top terms i would like to know protected static Collection getTopTerms(TermFreqVector tfv, int maxTerms){ String[] terms = tfv.getTerms(); int[] tFreqs = tfv.getTermFrequencies(); List result = new ArrayList(terms.length); for (int i = 0; i < tFreqs.length; i++) { TermFrq tf = new TermFrq(terms[i], tFreqs[i]); result.add(tf); } Collections.sort(result, new FreqComparator()); if(maxTerms < result.size()){ result = result.subList(0, maxTerms); } return result; } /Class for objects to hold the term/freq pairs/ static class TermFrq{ private String term; private int freq; public TermFrq(String term,int freq){ this.term = term; this.freq = freq; } public String getTerm(){ return this.term; } public int getFreq(){ return this.freq; } } /*Comparator to compare the objects by the frequency*/ class FreqComparator implements Comparator{ public int compare(Object pair1, Object pair2){ int f1 = ((TermFrq)pair1).getFreq(); int f2 = ((TermFrq)pair2).getFreq(); if(f1 > f2) return 1; else if(f1 < f2) return -1; else return 0; } } Explanations and corrections i will very much appreciate, and also if someone else had experience with term frequency extraction and did it better way, I am opened to all suggestions! Please help!!!! Thanx!

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  • How do I correctly use generics?

    - by ninjasense
    I basically am making webrequests and recieving a JSON response. Depending on the request, I am parsing JSON request into objects I have created. The parsing is pretty much the same no matter what the object Im parsing into looks like. So I have a bunch of methods doing the same work only with different objects, I was wondering how I could accomplish this with generics? Here is an example public static ArrayList<Contact> parseContacts(String responseData) { ArrayList<Contact> Contacts = new ArrayList<Contact>(); try { JSONArray jsonContacts = new JSONArray(responseData); if (!jsonContacts.isNull(0)) { for (int i = 0; i < jsonContacts.length(); i++) { Contacts.add(new Contact(jsonContacts.getJSONObject(i))); } } } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (Exception e) { } return Contacts; }

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  • How to use JAXB APIs to generate classes from xsd?

    - by Simran
    I need to generate bean classes from .xsd without using xjc command or ant. i have found the implementation in Apache Axis2 but i am unable to generate the artifacts. i have written the following code but i get NullPointerException : SchemaCompiler sc = XJC.createSchemaCompiler(); URL url = new URL("file://E:\\JAXB\\books.xsd"); sc.parseSchema(new InputSource(url.toExternalForm())); S2JJAXBModel model = sc.bind(); JCodeModel cm = model.generateCode(null, null); cm.build(new FileCodeWriter(new File("E:\\JAXBTest"))); Can anyone help me / provide some links???

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  • getting IllegalAccessException when accessing a protected method from parent from inner class

    - by EnToutCas
    I got a very weird problem and a weird solution: class Parent { protected void aProtectedMethod() { doSomething(); } } class Child extends Parent { void anotherMethod() { new SomeInterface() { public void interfaceMethod() { aProtectedMethod(); } }; } } When child.anotherMethod() is run, I got IllegalAccessException at myProtectedMethod(), saying my inner class doesn't have access to the Parent class... However, if I add: protected void aProtectedMethod() { super.aProtectedMethod(); } in my Child class, everything is fine... I wonder why this is?

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  • JSF Servlet Arch Help needed.

    - by abc
    i want a mechanism in my web app as described below: user will enter mydomain.com/CompanyName , depending upon the CompanyNameit will show its logo and its customized page, and i will take that parsed parameter in session again upon each request i will compare the parsed CompanyName and one stored in session , and if they matched then application will show the requested page with user's data.else it will be redirected to login page. and the main thing is i want this thing in JSF arch. i tried taking a servlet that will resolve all request and it will parse and then will dispatch the request to prefered servlet,but problem is it goes in loop as again it resolves to the same controller servlet,

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  • add limited product to cart in android

    - by user1859172
    I have to develop one shopping cart app. Here i have to add the product only 5.otherwise have to display the message on alert dialog like 5 products only allowed. How can i develop this.please help me This is my code: ImageButton mImgAddCart = (ImageButton) findViewById(R.id.img_add); mImgAddCart.setOnClickListener(new OnClickListener() { public void onClick(View v) { // TODO Auto-generated method stub mTitle = txttitle.getText().toString(); mCost = text_cost_code.getText().toString(); mCost = mCost.replace("From ", ""); mTotal = txt_total.getText().toString(); mTotal = mTotal.replace("From ", ""); mQty = edit_qty_code.getText().toString(); if (Constants.mItem_Detail.size() <= 0) { HashMap<String, String> mTempObj = new HashMap<String, String>(); mTempObj.put(KEY_TITLE, mTitle); mTempObj.put(KEY_QTY, mQty); mTempObj.put(KEY_COST, mCost); mTempObj.put(KEY_TOTAL, mTotal); Constants.mItem_Detail.add(mTempObj); } else { for (int i = 0; i < Constants.mItem_Detail.size(); i++) { if (Constants.mItem_Detail.get(i).get(KEY_TITLE) .equals(mTitle)) { Constants.mItem_Detail.remove(i); break; } else { } } HashMap<String, String> mTempObj = new HashMap<String, String>(); mTempObj.put(KEY_TITLE, mTitle); mTempObj.put(KEY_QTY, mQty); mTempObj.put(KEY_COST, mCost); mTempObj.put(KEY_TOTAL, mTotal); Constants.mItem_Detail.add(mTempObj); } AlertDialog.Builder alertdialog = new AlertDialog.Builder( Small.this); alertdialog.setTitle(getResources() .getString(R.string.app_name)); alertdialog.setMessage("Add in ViewCart"); alertdialog.setPositiveButton("OK", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub finish(); } }); alertdialog.show(); } }); How can i set the condition for this.please give me one idea.

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  • Redeclaration of parameters

    - by Scott
    While looking through the Selenium source code I noticed the following in the PageFactory: public static <T> T initElements(WebDriver driver, Class<T> pageClassToProxy) { T page = instantiatePage(driver, pageClassToProxy); initElements(driver, page); return page; } public static void initElements(WebDriver driver, Object page) { final WebDriver driverRef = driver; initElements(new DefaultElementLocatorFactory(driverRef), page); } What is the benefit of having the following line? final WebDriver driverRef = driver; Wouldn't it have made sense to just make the parameter final, and then passing that along to the next method without declaring the new reference?

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  • JUnit terminates child threads

    - by Marco
    Hi to all, When i test the execution of a method that creates a child thread, the JUnit test ends before the child thread and kills it. How do i force JUnit to wait for the child thread to complete its execution? Thanks

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  • "Zoom" text to be as big as possible within constraints/box

    - by stolsvik
    First problem: You have 400 pixels width to go on, and need to fit some text within that constraint as large as possible (thus, the text shall use that amount of space). Throw in a new constraint: If the text is just "A", then it shall not zoom this above 100 pixels (or some specific font size). Then, a final situation: Linebreaks. Fit some text in the largest possible way within e.g. 400 x 150 pixels. An obvious way is to simply start with point 1, and then increase until you can't fit it anymore. This would work for all three problems, but would be very crude. The fitting of a single line within bounds could be done by writing it with some fixed point size, check the resulting pixel bounds of the text, and then simply scale it with a transform (the text scales properly too then, check out TransformUI). Any ideas of other ways to attack this would be greatly appreciated!

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  • What reasons are there to place member functions before member variables or vice/versa?

    - by Cory Klein
    Given a class, what reasoning is there for either of the two following code styles? Style A: class Foo { private: doWork(); int bar; } Style B: class Foo { private: int bar; doWork(); } For me, they are a tie. I like Style A because the member variables feel more fine-grained, and thus would appear past the more general member functions. However, I also like Style B, because the member variables seem to determine, in a OOP-style way, what the class is representing. Are there other things worth considering when choosing between these two styles?

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  • user enter data to different arrays

    - by user2900469
    This is fragment of my code (arrays as you can see): double[] Price; String[] names; int[] Quantity; Price = new double[5]; names = new String[5]; Quantity = new int[5]; Price[1] = 3.10; Price[2] = 7.80; Price[3] = 0.20; names[1] = "Ballpen"; names[2] = "Notebook"; names[3] = "Envelope"; Quantity[1] = 20; Quantity[2] = 5; Quantity[3] = 140; I enter data to arrays by myself in this case. Now i want to change my code so that my program asks user for names, price and quantity (using the Scanner class). After user enter data, program keep this in three different arrays. I dont know how to transfer data from user to arrays. I would be grateful for some example code or any help.

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  • Spring configuration in GWT Project?

    - by Firstthumb
    I am developing a GWT-Spring-Hibernate project and I want to use Spring Autowired annotation in GWT Service Servlet but my autowired annotated service is not injected. it is null. Is there a configuration detail that I missed? I add <context:annotation-config /> <context:component-scan base-package="com.org" /> to my ApplicationContext.xml and I have annotated my service as @Service("myService") @Autowired MyService myService; // This is null so WHY?

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  • Cast Object to JTable?

    - by Chris
    I am trying to implement a ListSelectionListener for some of my JTables. Simply (at the moment) the ListSelectionListener is supposed to simply return the text of the cell that was selected. My program design has several JTables and I would like to have one ListSelectionListener work for them all. In the valueChanged event of the ListSelectionListener I thought it was possible to do something like: private class SelectionHandler implements ListSelectionListener { public void valueChanged(ListSelectionEvent e) { JTable table = (JTable)e.getSource(); String data = (String) table.getValueAt(table.getSelectedRow(), 0); // Print data } } But when I do this I a ClassCastException error. Is there a way to do something like this? One solution I thought of was to compare the source of the event (e.getSource()) to all my JTables to see if they were equivalent (big if block) and then just calling .getValueAt inside that block but that would making the code in the future difficult if tables were to be added or removed.

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