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• BroadCast Receiver calling intent after some time android

  - by khushi

  public class myReceiver extends BroadcastReceiver { public static boolean wasScreenOn = true; @Override public void onReceive(final Context context, Intent recievedIntent) { if (recievedIntent.getAction().equals(Intent.ACTION_SCREEN_OFF)) { wasScreenOn = false; Intent intent = new Intent(context, myActivity.class); intent.setAction(Intent.ACTION_MAIN); intent.setFlags(Intent.FLAG_ACTIVITY_NO_USER_ACTION); intent.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY); intent.setFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION); intent.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN); context.startActivity(intent .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)); } else if (recievedIntent.getAction().equals(Intent.ACTION_SCREEN_ON)) { wasScreenOn = true; } } } The activity display after when action screen on is call.

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• How do I tell if the ObjectDataSource OnSelected event was called for the selectmethod or selectcou

  - by itchi

  I have an object datasource that looks like this: <asp:ObjectDataSource ID="obdsList" runat="server" EnablePaging="True" SelectCountMethod="GetCountByID" SortParameterName="sortExpression" OldValuesParameterFormatString="original_{0}" SelectMethod="GetByID" TypeName="Services.Users" onselected="obdsList_Selected"> <SelectParameters> <asp:QueryStringParameter Name="ID" QueryStringField="ID" Type="Int32" /> </SelectParameters> </asp:ObjectDataSource> And a onselected event like this: protected void obdsList_Selected(object sender, ObjectDataSourceStatusEventArgs e) { } However, the event method is being called twice.. once with my returned list, and once with the returned Int32 count. If I want to cast e.ReturnValue to the return List how do I differentiate between the count and select methods? I can do a e.ReturnValue.GetType().ToString() but that seems like a hack.

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• Flex: Problem with CollectionEvent on ArrayCollection

  - by dasnervtdoch

  Hi there, got a reference to an arrayCollection and add event listener like this: collection.addEventListener(CollectionEvent.COLLECTION_CHANGE, onCollectionChange); that´s fine. Now some other component does have the same reference and is adding items to and removing items from that collection. Each time the handler is called: private function onProjectPersonsChange(event:Event):void { if (event.kind == CollectionEventKind.ADD) { //do something } else if (event.kind == CollectionEventKind.REMOVE) { //do something //here is the problem: event.items.length = 0 } else { trace('CollectionEvent: kind not handled!'); } } Does somebody know why the removed item is not in 'items'? Thanks in advance!

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• Function in xcode

  - by Joy

  I have a function which have two global variable 1.temp-a nsmutable array 2.j-a int type variable. But i cant access any global variable inside this function. I'm giving the code sample. void print( NSArray *array) { NSEnumerator *enumerator = [array objectEnumerator]; id obj; while ( nil!=(obj = [enumerator nextObject]) ) { NSString *tem=[[obj description] cString]; [temp insertObject:tem atIndex:j]; j=j+1; printf( "%s\n", [[obj description] cString]); } } Looking forward to your response. Thanks in advance..

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• Updating label in another form (C#)

  - by cthulhu

  I want to update label of Form1 from Form2. So here's what I have: // Form1 public string Label1 { get { return this.label1.Text; } set { this.label1.Text = value; } } // Form2 private void button1_Click(object sender, EventArgs e) { Form1 frm1 = new Form1(); frm1.Label1 = this.textBox1.Text; this.Close(); } So the above code doesn't work. However, when I add the following: frm1.Show(); after this.Close(); in Form2 code, the Form1 is being opened again (two windows). But I want it to update in the same window so I suggest this.Close() is unnecessary.

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• c# class design - what can I use instead of "static abstract"?

  - by Ryan

  I want to do the following public abstract class MyAbstractClass { public static abstract int MagicId { get; } public static void DoSomeMagic() { // Need to get the MagicId value defined in the concrete implementation } } public class MyConcreteClass : MyAbstractClass { public static override int MagicId { get { return 123; } } } However I can't because you can't have static abstract members. I understand why I can't do this - any recommendations for a design that will achieve much the same result? (For clarity - what I am trying to do is provide a library with an abstract base class but the concrete versions MUST implement a few properties/methods themselves and yes, there are good reasons for keeping it static.)

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• Writing string, numeric data to Excel via C# works, but Excel does not treat numeric data correctly

  - by Chapax

  Hi, I'm getting result sets from Sybase that I return to a C# client. I use the below function to write the result set data to Excel: ***private static void WriteData(Excel.Worksheet worksheet, string cellRef, ref string[,] data) { Excel.Range range = worksheet.get_Range(cellRef, Missing.Value); if (data.GetLength(0) != 0) { range = range.get_Resize(data.GetLength(0), data.GetLength(1)); range.set_Value(Missing.Value, data); } }* The data gets written correctly. The issue is that since I'm using string array to write data (which is a mixture of strings and floats), Excel highlights every cell that contains numeric data with the message "Number Stored as Text". How do I get rid of this issue? Many thanks, Chapax

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• strange bug - how to pause a java program?

  - by TerraNova993

  I'm trying to: display a text in a jLabel, wait for two seconds, then write a new text in the jLabel this should be simple, but I get a strange bug: the first text is never written, the application just waits for 2 seconds and then displays the final text. here is the example code: private void testButtonActionPerformed(java.awt.event.ActionEvent evt) { displayLabel.setText("Clicked!"); // first method with System timer /* long t0= System.currentTimeMillis(); long t1= System.currentTimeMillis(); do{ t1 = System.currentTimeMillis(); } while ((t1 - t0) < (2000)); */ // second method with thread.sleep() try { Thread.currentThread().sleep(2000); } catch (InterruptedException e) {} displayLabel.setText("STOP"); } with this code, the text "Clicked!" is never displayed. I just get a 2 seconds - pause and then the "STOP" text. I tried to use System timer with a loop, or Thread.sleep(), but both methods give the same result.

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• How to implement a unit converter in java

  - by Mohit Deshpande

  How could I possibly implement a unit converter in Java??? I was thinking of having a abstract base class: public abstract class Unit { ... public void ConvertTo(Unit unit); } Then having each class like Meter Kilometer Inch Centimeter Millimeter ... derive from that base Unit class. All the units of length would be in a package called com.unitconverter.distance, then a package, com.unitconverter.energy, for energy etc. etc. So is this the best way to implement a unit converter? Or is there a better or more easier way?

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• Add Words to Android's UserDictionary

  - by SaulBack

  I want to add an entire medical dictionary to my android (Moto Droid). I would like to be able to send text messages and have the medical words be in the predictable text. I've been trying to write a small app that would accomplish this, but everything I try the app crashes on startup. I've never written an app for a mobile platform so that is a first for me. Here is what is not working properly. public class WordAdd extends Activity { /** Called when the activity is first created. */ public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); UserDictionary.Words.addWord( this , "newMedicalWord", 1, UserDictionary.Words.LOCALE_TYPE_CURRENT); } } It seems so simple to do, yet I am so stuck. Thanks for any help you can provide.

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• Problem with passing folder path string to web service function via jQuery.ajax

  - by the_V

  Hello, I need to perform asp.net web-service function call via jQuery and pass asp.net application path to it. That's the way I'm trying to do it (code is located within asp.net page, e.g. aspx file): var d = "{'str':'<%=System.DateTime.Now.ToString() %>', 'applicationPath':'<%=GetApplicationPath() %>'}"; $.ajax({ type: "POST", url: "http://localhost/testwebsite/TestWebService.asmx/Test", data: d, contentType: "application/json; charset=utf-8", dataType: "json", error: function (xhr, status, error) { var err = eval("(" + xhr.responseText + ")"); alert(err.Message); }, success: function (msg) { } }); That's what GetApplicationPath method looks like: protected string GetApplicationPath() { return HttpUtility.HtmlEncode(Request.PhysicalApplicationPath); } And here is a header of web-service function which I'm trying to call: public void Test(string str, string applicationPath) Function call works well, but applicationPath parameter doesn't passed correctly. When I debug it I see that backslashes are removed, function gets "C:ProjectsSamplesmytestwebsite" instead of "'C:\Projects\Samples\mytestwebsite\'". How can I overcome this?

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• Reading long lines from text file

  - by sonofdelphi

  I am using the following code for reading lines from a text-file. What is the best method for handling the case where the line is greater than the limit SIZE_MAX_LINE? void TextFileReader::read(string inFilename) { ifstream xInFile(inFilename.c_str()); if(!xInFile){ return; } char acLine[SIZE_MAX_LINE + 1]; while(xInFile){ xInFile.getline(acLine, SIZE_MAX_LINE); if(xInFile){ m_sStream.append(acLine); //Appending read line to string } } xInFile.close(); }

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• Return an opaque object to the caller without violating type-safety

  - by JS Bangs

  I have a method which should return a snapshot of the current state, and another method which restores that state. public class MachineModel { public Snapshot CurrentSnapshot { get; } public void RestoreSnapshot (Snapshot saved) { /* etc */ }; } The state Snapshot class should be completely opaque to the caller--no visible methods or properties--but its properties have to be visible within the MachineModel class. I could obviously do this by downcasting, i.e. have CurrentSnapshot return an object, and have RestoreSnapshot accept an object argument which it casts back to a Snapshot. But forced casting like that makes me feel dirty. What's the best alternate design that allows me to be both type-safe and opaque?

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• How to measure how long is a function running?

  - by rhose87

  I want to see how long a function is running. So I added a timer object on my form and I came out with this code: private int counter = 0; //inside button click I have: timer = new Timer(); timer.Tick += new EventHandler(timer_Tick); timer.Start(); Result result = new Result(); result = new GeneticAlgorithms().TabuSearch(parametersTabu, functia); timer.Stop(); and: private void timer_Tick(object sender, EventArgs e) { counter++; btnTabuSearch.Text = counter.ToString(); } But this is not counting anything. Any ideas?

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• How to port C# code which uses a callback to VB.NET?

  - by Bob

  I need to port the following from the ASP.NET MVC 2 sourcecode from C# to VB.NET. It's from AuthorizeAttribute.cs beginning on line 86: HttpCachePolicyBase cachePolicy = filterContext.HttpContext.Response.Cache; cachePolicy.SetProxyMaxAge(new TimeSpan(0)); cachePolicy.AddValidationCallback(CacheValidateHandler, null /* data */); where CacheValidateHandler is: private void CacheValidateHandler(HttpContext context, object data, ref HttpValidationStatus validationStatus) { validationStatus = OnCacheAuthorization(new HttpContextWrapper(context)); } The VB.NET port from http://converter.telerik.com doesn't quite work for this line: cachePolicy.AddValidationCallback(CacheValidateHandler, Nothing) ' Error where CacheValidateHandler is: Private Sub CacheValidateHandler(ByVal context As HttpContext, ByVal data As Object, _ ByRef validationStatus As HttpValidationStatus) validationStatus = OnCacheAuthorization(New HttpContextWrapper(context)) End Sub VS2008 complains that CacheValidateHandler does not specify its arguments for context, data, and validationStatus. Any ideas how to port this code?

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• Get company name in android using new API's

  - by HellBoy

  Currently I am getting company name using following code public class ContactsDemo extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Cursor cursor = getContentResolver().query(Contacts.Organizations.CONTENT_URI, null, null, null, null); //ContactsContract.CommonDataKinds. if(cursor!=null){ System.out.println(cursor.getString(cursor.getColumnIndex (Contacts.Organizations.COMPANY))); }}} but I don't want to use deprected API's. & in new API's there is no CONTENT_URI in Organisation class. How to get company name using new API.

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• ShowDialog and Hide form, when from is called from other object in VS2010

  - by Piotr Dabrowski

  Hallo, I have a modal Form, used for searching information in DB. This Form is used by a COM object, that waits for search result. Initialization of the form take a lot of time (because of building connection to DB). So, I initialize the Form (without showing it), and keep Form-object alive, as long as COM-object work. In this way I keep the state of the Form: public void Search() this.ShowDialog(); string result = this.ResultOfSearch; this.Hide() return result; And it doesn't work anymore on VS2010 (compiled for Framework 2.0). I search for alternative way to make a modal form (or a method to protect a form against Destroy() at the end of ShowDialog). Any ideas?

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• is there a flag "M_FAST" in FreeBSD kernel for Malloc Call ?

  - by KaluSingh Gabbar

  if you know there is one, can you let me know what its for ? if not please say so : ) thanks. Signature : void * malloc(unsigned long size, struct malloc_type type, int flags); for example. other flags are... M_ZERO Causes the allocated memory to be set to all zeros. M_WAITOK Indicates that it is OK to wait for resources. If the request cannot be immediately fulfilled, the current process is put to sleep to wait for resources to be released by other processes. The malloc(), realloc(), and reallocf() functions cannot return NULL if M_WAITOK is specified.** This is the root of my confusion EDIT: The clarification for M_FAST is made in my answer below.

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• Nested fragments survive screen rotation

  - by ievgen

  I've faced with an issue with Nested Fragments in Android. When I rotate the screen the Nested Fragments survive somehow. I've come up with a sample example to illustrate this issue. public class ParentFragment extends BaseFragment { @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.fragment_parent, container); } @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); getChildFragmentManager() .beginTransaction() .add(getId(), new ParentFragmentChild(), ParentFragmentChild.class.getName()) .commit(); } @Override public void onResume() { super.onResume(); log.verbose("onResume(), numChildFragments: " + getChildFragmentManager().getFragments().size()); } } public class ParentFragmentChild extends BaseFragment { @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.fragment_child, null); } } BaseFragment just logs method calls. This is what I see when I rotate the screen. When Activity initially appears ParentFragment? onAttach(): ParentFragment{420d0a98 #0 id=0x7f060064} ParentFragment? onCreate() ParentFragment? onViewCreated() ParentFragmentChild? onAttach(): ParentFragmentChild{420d08d0 #0 id=0x7f060064 com.kinoteatr.ua.filmgoer.test.ParentFragmentChild} ParentFragmentChild? onCreate() ParentFragmentChild? onViewCreated() ParentFragment? onResume() ParentFragment? onResume(), numChildFragments: 1 ParentFragmentChild? onResume() Screen rotation #1 ParentFragmentChild? onPause() ParentFragment? onPause() ParentFragment? onSaveInstanceState() ParentFragmentChild? onSaveInstanceState() ParentFragmentChild? onStop() ParentFragment? onStop() ParentFragmentChild? onDestroyView() ParentFragment? onDestroyView() ParentFragmentChild? onDestroy() ParentFragmentChild? onDetach() ParentFragment? onDestroy() ParentFragment? onDetach() ParentFragment? onAttach(): ParentFragment{4211bc38 #0 id=0x7f060064} ParentFragment? onCreate() ParentFragmentChild? onAttach(): ParentFragmentChild{420f4180 #0 id=0x7f060064 com.kinoteatr.ua.filmgoer.test.ParentFragmentChild} ParentFragmentChild? onCreate() ParentFragment? onViewCreated() ParentFragmentChild? onViewCreated() ParentFragmentChild? onAttach(): ParentFragmentChild{42132a08 #1 id=0x7f060064 com.kinoteatr.ua.filmgoer.test.ParentFragmentChild} ParentFragmentChild? onCreate() ParentFragmentChild? onViewCreated() ParentFragment? onResume() ParentFragment? onResume(), numChildFragments: 2 ParentFragmentChild? onResume() ParentFragmentChild? onResume() Screen rotation #2 ParentFragmentChild? onPause() ParentFragmentChild? onPause() ParentFragment? onPause() ParentFragment? onSaveInstanceState() ParentFragmentChild? onSaveInstanceState() ParentFragmentChild? onSaveInstanceState() ParentFragmentChild? onStop() ParentFragmentChild? onStop() ParentFragment? onStop() ParentFragmentChild? onDestroyView() ParentFragmentChild? onDestroyView() ParentFragment? onDestroyView() ParentFragmentChild? onDestroy() ParentFragmentChild? onDetach() ParentFragmentChild? onDestroy() ParentFragmentChild? onDetach() ParentFragment? onDestroy() ParentFragment? onDetach() ParentFragment? onAttach(): ParentFragment{42122a48 #0 id=0x7f060064} ParentFragment? onCreate() ParentFragmentChild? onAttach(): ParentFragmentChild{420ffd48 #0 id=0x7f060064 com.kinoteatr.ua.filmgoer.test.ParentFragmentChild} ParentFragmentChild? onCreate() ParentFragmentChild? onAttach(): ParentFragmentChild{420fffa0 #1 id=0x7f060064 com.kinoteatr.ua.filmgoer.test.ParentFragmentChild} ParentFragmentChild? onCreate() ParentFragment? onViewCreated() ParentFragmentChild? onViewCreated() ParentFragmentChild? onViewCreated() ParentFragmentChild? onAttach(): ParentFragmentChild{42101488 #2 id=0x7f060064 com.kinoteatr.ua.filmgoer.test.ParentFragmentChild} ParentFragmentChild? onCreate() ParentFragmentChild? onViewCreated() ParentFragment? onResume() ParentFragment? onResume(), numChildFragments: 3 ParentFragmentChild? onResume() ParentFragmentChild? onResume() ParentFragmentChild? onResume() They keep getting multiplied. Does anybody know why is that ?

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• collect string in loop and printout all the string outside loop

  - by user1508163

  I'm newbie here and there is some question that I want have some lesson from you guys. For example: #include <stdio.h> #include<stdlib.h> #include<ctype.h> void main() { char name[51],selection; do { printf("Enter name: "); fflush(stdin); gets(name); printf("Enter another name?(Y/N)"); scanf("%c",&selection); selection=toupper(selection); }while (selection=='Y'); //I want to printout the entered name here but dunno the coding printf("END\n"); system("pause"); } As I know when the loops perform will overwrite the variable then how I perform a coding that will printout all the name user entered? I have already ask my tutor and he is ask me to use pointer, can anyone guide me in this case?

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• Odd Segue Behaviour - Not Firing

  - by Zak

  So I've noticed some very weird behaviour from my program. Here's a simplified code snippet and then I'll explain what occurs when built and ran. -(void)viewDidLoad { [super viewDidLoad]; ... if (self.sampleBool) { [self performSegueWithIdentifier:@"mySegue" sender:self]; } else { // do stuff } } ... -(IBAction)myMethod:(UITapGestureRecognizer*)sender { ... [self performSegueWithIdentifier:@"mySegue" sender:self]; } The segue triggers via the UITapGestureRecognizer fine - so I know the segue is linked correctly. However, when self.sampleBool is true and performSegueWithIdentifier is called within viewDidLoad, the segue does not fire. Anyone have any guesses? Any help or advice is appreciated. Thanks

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• Java: ListA.addAll(ListB) fires NullPointerException?

  - by HH

  The err part is Capitalized in the code, it also comes in foreaching. Because of the abstract list, it cannot be initialized, declaration is in a static field. The lists have the same type. import java.util.*; public class Test { public static final List<String> highPrio = Arrays.asList("*","/"); public static List<String> ops; public static void main(String[] args) { //ERROR HERE, why do it throw nullPointer? ops.addAll(highPrio); for(String s : ops) { System.out.println(s); } } }

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• how to link static cells to Outlet/Actions - E.G tap the call cell to call the number

  - by holtii

  The code I have. By the way, I can't get Call to work and Website does not open either! - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { NSString *urlToOpen = @""; if( indexPath.section == 0 ){ // call number urlToOpen = @"tel:442074036933"; } else if( indexPath.section == 1 ){ // open website urlToOpen = @"http://www.designmuseum.org"; } else { // open address urlToOpen = @"http://maps.apple.com/maps?daddr=Design+Museum+London"; } [[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlToOpen]]; NSString *destinationAddress = [NSString stringWithFormat:@"%@+%@+%@", [address street], [address city], [address country]]; NSString *sourceAddress = [LocalizedCurrentLocation currentLocationStringForCurrentLanguage]; NSString *url = [NSString stringWithFormat:@"http://maps.apple.com/maps?saddr=%@&daddr=%@", [sourceAddress stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding], [destinationAddress stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]; [[UIApplication sharedApplication] openURL:[NSURL URLWithString:url]]; I need to add destination address which for my App is = 28 Shad Thames, London, United Kingdom. Which format to write it in? because I cant get it to work and really need to sort this problem of my app real quick

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• Image URL has the contentType "text/html"

  - by user1503025

  I want to implement a method to download Image from website to laptop. public static void DownloadRemoteImageFile(string uri, string fileName) { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri); HttpWebResponse response = (HttpWebResponse)request.GetResponse(); if ((response.StatusCode == HttpStatusCode.OK || response.StatusCode == HttpStatusCode.Moved || response.StatusCode == HttpStatusCode.Redirect) && response.ContentType.StartsWith("image", StringComparison.OrdinalIgnoreCase)) { //if the remote file was found, download it using (Stream inputStream = response.GetResponseStream()) using (Stream outputStream = File.OpenWrite(fileName)) { byte[] buffer = new byte[4096]; int bytesRead; do { bytesRead = inputStream.Read(buffer, 0, buffer.Length); outputStream.Write(buffer, 0, bytesRead); } while (bytesRead != 0); } } } But the ContentType of request or response is not "image/jpg" or "image/png". They're always "text/html". I think that's why after I save them to local, they has incorrect content and I cannot view them. Can anyone has a solution here? Thanks

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• Trying to understand Java RSA key size

  - by Tom Brito

  The key generator was initilized with a size of 1024, so why the printed sizes are 635 and 162? import java.security.KeyPair; import java.security.KeyPairGenerator; import java.security.NoSuchAlgorithmException; import java.security.NoSuchProviderException; import java.security.interfaces.RSAPrivateKey; import java.security.interfaces.RSAPublicKey; public class TEST { public static KeyPair generateKeyPair() throws NoSuchAlgorithmException, NoSuchProviderException { KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA", "BC"); keyPairGenerator.initialize(1024); return keyPairGenerator.generateKeyPair(); } public static void main(String[] args) throws Exception { KeyPair keyPair = generateKeyPair(); RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate(); RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic(); System.out.println("Size = " + privateKey.getEncoded().length); System.out.println("Size = " + publicKey.getEncoded().length); } }

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