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• Language in mdi forms

  - by WFgo

  I have a problem with set lenguage to MDI forms. In my main form I have a menustrip and I use resource file for translate I wanted to know if I'm doing the right thing My code is this (Example): Public Class Main Public SNFrm As New SalesNote Private Sub SetLanguage() SNFrm.Text = My.Resources.... SNFrm.AcceptBtn.Text = My.Resources... End Sub Private Sub MenuSalesNote_Click(......) SNFrm = New SalesNote SNFrm.MdiParent = Me SNFrm.StartPosition = FormStartPosition.CenterScreen SNFrm.Show() End Sub End Class Then, in My SalesNote Form_Closing Event Main.SNFrm.Dispose() is this correctly? Help!

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• @Path and regular expression (Jersey/REST)

  - by Castanho

  Hi there! I'm using Jersey in a REST project and I'm needing to use regular expression. Digging about it is simple like: @Path("/resources) public class MyResource { @GET @Path("{subResources:.*}/bar") public String get() {...} } But, I'm only capable of using regex if in my @Path contains a variable or text value, example: @Path("{SubResource1}/{subResources:.*}/bar") Or @Path("hardCodeString/{subResources:.*}/bar") Today I could run with this solution of a variable, but is not oK for my perspective. Question Does anyone have worked with something related? I'm doing something wrong? I think that this could be a bug, when working with more then one @Path, one in the Class and other in the Method. Any tips is appreciated! Regards

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• How to I access validation metadata in my view?

  - by Mike Dymond

  I want to add a 'required field' label to those fields in my model that I have set the Required attribute for. How do I go about doing this?

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• Hibernate and mssql inner join rowcount

  - by ez2sarang

  I am struggling with Hibernate Criteria. My aim is to create the following request using Hibernate Criteria : select count(*) as y0_ from PInterface this_ inner join Product product2_ on this_.product_id=product2_.id where this_.product_interface_type_id=? Here is my code: @Entity @Table(name = "PInterface") public class PInterface { @Id @GeneratedValue @Column(name = "id", nullable = false, insertable = false, updatable = false) private int id; @Column(name = "product_id") private int productId; @Column(name = "product_interface_type_id") private int type; @ManyToOne(optional=false) @JoinColumn(name = "product_id", referencedColumnName = "id", insertable=false, updatable=false) private Product product; } @Entity @Table(name = "Product") public class Product { @Id @GeneratedValue @Column(name = "id", nullable = false, insertable = false, updatable = false) private int id; private String name; } //Criteria is : Object criteria = sessionFactory.getCurrentSession() .createCriteria(PInterface.class) .add(Restrictions.eq("type", 1)) .setProjection(Projections.rowCount()) .uniqueResult() ; However, the results ... select count(*) as y0_ from PInterface this_ where this_.product_interface_type_id=? Where Inner join? Thank you for help!

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• can constructors actually return Strings?

  - by elwynn

  Hi all, I have a class called ArionFileExtractor in a .java file of the same name. public class ArionFileExtractor { public String ArionFileExtractor (String fName, String startText, String endText) { String afExtract = ""; // Extract string from fName into afExtract in code I won't show here return afExtract; } However, when I try to invoke ArionFileExtractor in another .java file, as follows: String afe = ArionFileExtractor("gibberish.txt", "foo", "/foo"); NetBeans informs me that there are incompatible types and that java.lang.String is required. But I coded ArionFileExtractor to return the standard string type, which is java.lang.string. I am wondering, can my ArionFileExtractor constructor legally return a String? I very much appreciate any tips or pointers on what I'm doing wrong here.

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• Query to get data from a main table

  - by Thu Thuy

  I have an Information table with 3 colums tableName/FieldName/Value and its data like this: TableName|FieldName | Value Films |DateSortie |NULL Films |Duree |NULL Films |CodeLangue |NULL Films |Documentaire |NULL Could you show me a SQL statement to put data into the Value Field, please! Note that I also have table Films and its fields like data in FieldName field of the Information table Thanks in advance TNT

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• SELECT Data from multiple tables?

  - by Kyle R

  I have 3 tables, with 3 fields all the same. I basically want to select information from each table For example: userid = 1 I want to select data from all 3 tables, where userid = 1 I am currently using: SELECT r.*, p.*, l.* FROM random r LEFT JOIN pandom p ON r.userid = p.userid LEFT JOIN landom l ON l.userid = r.userid WHERE r.userid = '1' LIMIT 0, 30 But it doesn't seem to work.

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• How do I compare a string in an array to a string?

  - by user1641312

  EDIT: IT'S FIXED, THANKS FOR THE HELP! So basically I have an array of strings, a question and an answer public static String[][] triviaData = { {"Question2", "Answer1"}, {"Question2", "Answer2"}, {"Question3", "Answer3"}, }; And I am trying to make a method that validates an entered input, lets call the entered input enteredAnswer. enteredAnswer is stored as a String. I am trying to validate that the enteredAnswer is the same as the second index of the array. if (enteredAnswer.equalsIgnoreCase(triviaData[Config.CurrentQuestion][1])) { This is the code I tried, but I get the error "Cannot invoke equalsIgnoreCase(String) on the array type String[]" I am a beginner programmer so if you could help me out it would be highly appreciated. Thanks. enteredAnswer is stored as public String[] enteredAnswer;

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• SQL Reporting Services 2005 - Date field based on a user entered date?

  - by Pierce

  Hi, I have a report in report services 2005 that has two date fields. The problem is that if users run this for a large section of time it uses too much resources on our server. It is possible to only allow the end user to enter the start date and then the end date be auto populated/derived from this field (for example they enter the 1st of a month and this automatically change the end date to the last of a month.)

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• Android camera to take multiple photos

  - by user2975407

  problem.java public class problem extends Activity { ImageView iv; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.problem); iv=(ImageView) findViewById(R.id.imageView1); Button b=(Button) findViewById(R.id.button1); b.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { Intent intent=new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE); startActivityForResult(intent, 0); } }); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub super.onActivityResult(requestCode, resultCode, data); Bitmap bm=(Bitmap) data.getExtras().get("data"); iv.setImageBitmap(bm); } } From this code I can only take one photo and it displayed in the screen. **But I want to take more photos nearly 5 photos and display in the screen** Further I want to add these photos to MySQL database.please help me to do that.I am new to android

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• how to have the right sum of type Time with sql

  - by kawtousse

  hi , i have 2 fields called Timefrom and TimeUntill the duration is calculated in TimeSpent. The colonne timeFrom is like the followine: 10:00:00 the colonne timeUntill is like the following: 12:00:00 the time spent colonne has the value: 02:00:00. My goal is to calculate the sum of timeSpent. PLease help.

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• [Android] How to launch an Activity without a UI?

  - by fjmustak

  Is it in any way possible to launch an activity from the main function without having a UI? i.e. is there a way to create a sort of "wrapper" around another activity, i.e. by launching the main activity, it takes you to another activity automatically. If that is not possible, is there a way to remove the main activity from the stack so that clicking the back button does not take you to a blank UI? Here's an example of what I'm trying to do: public class WrapperActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final Intent intent = new Intent(Intent.ACTION_DIAL, Uri.parse("tel:555-1212")); startActivity(intent); } }

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• If statements Evaluations

  - by user2464795

  Using the code below I get this result even though I put in a number that is greater than 18. run: How old are you? 21 You have not reached the age of Majority yet! BUILD SUCCESSFUL (total time: 3 seconds) I am new to java and trying to self learn can anybody help? import java.util.Scanner; public class Chapter8 { /** * @param args the command line arguments */ public static void main(String[] args) { Scanner reader = new Scanner (System.in); // TODO code application logic here //Excercise 15 System.out.print("How old are you? "); int x = Integer.parseInt(reader.nextLine()); if (x > 18){ System.out.println("You have not reached the age of Majority yet!"); }else { System.out.println("You have reached the age of Majority!"); }

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• Can I load lots of data only once and use it on each request?

  - by eikes

  Is there a way to load a big data object into the memory, which usually has to be loaded at each request, only once? In Java you can instantiate an object in a servlet when this servlet is loaded, but once it's there you can use it in any request. Example is below. Can this be done in PHP? public class SampleServlet extends HttpServlet { private static HugeGraphObject hgo; public void init() { hgo = HugeGraphObjectFactory.get(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String param = request.getParameter("q"); response.getWriter().write(hgo.getSomeThing(param)); } }

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• [C#] Get Index of Control in an Control-Array

  - by Cocaine112358

  I have a TextBox Array private TextBox[,] Fields = new TextBox[9, 9]; and all the TextBoxes have got the same TextChanged-Event void Field_Changed( object sender, EventArgs e ) Is there a way to get the Index of the sender in the Array (without giving each TextBox it's own EventHandler)?

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• IEnumerable<SelectListItem> error question

  - by user281180

  I have the following code, but i`m having error of Error 6 foreach statement cannot operate on variables of type 'int' because 'int' does not contain a public definition for 'GetEnumerator' C:\Dev\DEV\Code\MvcUI\Models\MappingModel.cs 100 13 MvcUI How can I solve this? Note: string [] projectID; Class Employee { int id {get; set;} string Name {get;set;} } public IEnumerable<SelectListItem> GetStudents() { List<SelectListItem> result = new List<SelectListItem>(); foreach (var id in Convert.ToInt32(projectID)) { foreach( Employee emp in Project.Load(id)) result.Add(new SelectListItem { Selected = false, Text = emp.ID.ToString(), Value = emp.Name }); return result.AsEnumerable(); } }

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• SELECT DISTINCT multiple field search?

  - by Patrick

  I'm trying to search multiple fields zc_city and zc_zip for when user input and then return row results for zc_city zc_state and zc_zip $q = strtolower($_GET["q"]); if (!$q) return; $sql = "SELECT DISTINCT zc_city AS zcity FROM search_zipcodes WHERE zc_city LIKE '$q%'"; $rsd = mysql_query($sql); while($rs = mysql_fetch_array($rsd)) { $zcity = $rs['zcity']; echo "$zcity\n"; }

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• Error message regarding IEnumerable.GetEnumerator().

  - by Bon_chan

  I get this error message and I can't figure out why! Error 1 'Exo5Chap12.ShortCollection<T>' does not implement interface member 'System.Collections.IEnumerable.GetEnumerator()'. 'Exo5Chap12.ShortCollection<T>.GetEnumerator()' cannot implement 'System.Collections.IEnumerable.GetEnumerator()' because it does not have the matching return type of 'System.Collections.IEnumerator'. E:\MyFolders\Dev\c#\Chapter12\Exo5Chap12\Exo5Chap12\exo5.cs 9 18 Exo5Chap12 Here is the code with an implementation of GetEnumerator(). What is wrong? public class ShortCollection<T> : IList<T> { protected Collection<T> innerCollection; protected int maxSize = 10; public IEnumerator<T> GetEnumerator() { return (innerCollection as IEnumerator<T>).GetEnumerator(); } }

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• Java's PipedReader / PipedWriter equivalents in C#?

  - by devoured elysium

  I have defined a Pipe class in Java, making use of PipedReader and PipedWriter. I am now trying to port this same class to C#. Is it possible to accomplish the same as shown in the following code in C#? public final class Pipe { private final PipedReader pipedReader = new PipedReader(); private final PipedWriter pipedWriter = new PipedWriter(); public Pipe() { pipedWriter.connect(pipedReader); } ... } I am guessing what I'll want to use in C# for PipedReader and PipedWriter will be StreamReader and StreamWriter? Is there something like a connect() method? Thanks

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• Property and Encapsulation

  - by Lijo

  Hi Team, Following is a question regarding using Properties in class. I am software engineer with 3 years of experience. I have been using public properties instead of exposing member variables publically. Many a people told that this approach helps in encapsulation. I don’t realize any encapsulation advantage by making it a property. While discussions, I came to know that not many people knows about the real reason for going for Property. They just do it as part of coding standard. Can someone clearly explain how Property is better than public member variable? How it improves encapsulation? Thanks Lijo

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• Is it faster to compute values in a query, call a Scalar Function (decimal(28,2) datatype) 4 times,

  - by Pulsehead

  I have a handful of queries I need to write in SQL Server 2005. Each Query will be calculating 4 unit cost values based on a handful of (up to 11) fields. Any time I want 1 of these 4 unit cost values, I'll want all 4. Which is quicker? Computing in the SQL Query ((a+b+c+d+e+f+g+h+i)/(j+k)), calling ComputeScalarUnitCost(datapoint.ID) 4 times, or joining to ComputeUnitCostTable(datapoint.ID) one time?

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• How to write a query get all infomation from one table to another one

  - by Dave

  I am building access database that will get data from a outside source and place it in a table that is link to the data source. As we all know that you are not allowed to recinfigure that linked table. What I want to do is take that data from that that linked table and make another table that I will be able to add additional new fields and snyc the out that gets put into the linked table. Please Help

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• Mysql select multiple colomn from non related tables

  - by Ajith

  I have two table in mysql named rootpath with only one field 'root' and savecatogory with fields brandid,categoryid,name.There is no relation between these two tables.Now how can retrieve root,brandid,categoryid using single query.Please help me.

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• c++ constructors

  - by aharont

  i wrote this code: class A { public: A(){d=2.2;cout<<d;} A(double d):d(d){cout<<d;} double getD(){return d;} private: double d; }; class Bing { public: Bing(){a=A(5.3);} void f(){cout<<a.getD();} private: A a; }; int main() { Bing b; b.f(); } i get the output: 2.2 5.3 5.3 instead of 5.3 5.3. it's something in the constructor.... wahy am i getting this? how can i fix it?

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• Efficient implementation of exclusive execution

  - by n0weak

  I have an ObjectManager class that is used to process payments. It is wrapped over the Order entities, so new instance has to be created when processing is required. I need to prevent the situation when several ObjectManager instances are dealing with the same order simultaneously (it happend once because of some errors on the remote payment processing center, somehow they called our callback urls twice). I'd love to get an advice how to implement it more efficiently. For now, I am thinking about something like that: public class OrderManager{ private static final CopyOnWriteArrayList<Integer> LOCKER = new CopyOnWriteArrayList<Integer>(); private static synchronized boolean tryLock(Integer key) { return LOCKER.addIfAbsent(key); } private static void releaseLock(Integer key) { LOCKER.remove(key); } public void processPayment(Integer orderId) throws Exception{ if (!tryLock(orderId)) { return; } try { //operate } finally { releaseLock(orderId); } } //remainder omitted }

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