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• Sending the files (At least 11 files) from folder through web service to android app.

  - by Shashank_Itmaster

  Hello All, I stuck in middle of this situation,Please help me out. My question is that I want to send files (Total 11 PDF Files) to android app using web service. I tried it with below code.Main Class from which web service is created public class MultipleFilesImpl implements MultipleFiles { public FileData[] sendPDFs() { FileData fileData = null; // List<FileData> filesDetails = new ArrayList<FileData>(); File fileFolder = new File( "C:/eclipse/workspace/AIPWebService/src/pdfs/"); // File fileTwo = new File( // "C:/eclipse/workspace/AIPWebService/src/simple.pdf"); File sendFiles[] = fileFolder.listFiles(); // sendFiles[0] = fileOne; // sendFiles[1] = fileTwo; DataHandler handler = null; char[] readLine = null; byte[] data = null; int offset = 0; int numRead = 0; InputStream stream = null; FileOutputStream outputStream = null; FileData[] filesData = null; try { System.out.println("Web Service Called Successfully"); for (int i = 0; i < sendFiles.length; i++) { handler = new DataHandler(new FileDataSource(sendFiles[i])); fileData = new FileData(); data = new byte[(int) sendFiles[i].length()]; stream = handler.getInputStream(); while (offset < data.length && (numRead = stream.read(data, offset, data.length - offset)) >= 0) { offset += numRead; } readLine = Base64Coder.encode(data); offset = 0; numRead = 0; System.out.println("'Reading File............................"); System.out.println("\n"); System.out.println(readLine); System.out.println("Data Reading Successful"); fileData.setFileName(sendFiles[i].getName()); fileData.setFileData(String.valueOf(readLine)); readLine = null; System.out.println("Data from bean " + fileData.getFileData()); outputStream = new FileOutputStream("D:/" + sendFiles[i].getName()); outputStream.write(Base64Coder.decode(fileData.getFileData())); outputStream.flush(); outputStream.close(); stream.close(); // FileData fileDetails = new FileData(); // fileDetails = fileData; // filesDetails.add(fileData); filesData = new FileData[(int) sendFiles[i].length()]; } // return fileData; } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } return filesData; } } Also The Interface MultipleFiles:- public interface MultipleFiles extends Remote { public FileData[] sendPDFs() throws FileNotFoundException, IOException, Exception; } Here I am sending an array of bean "File Data",having properties viz. FileData & FileName. FileData- contains file data in encoded. FileName- encoded file name. The Bean:- (FileData) public class FileData { private String fileName; private String fileData; public String getFileName() { return fileName; } public void setFileName(String fileName) { this.fileName = fileName; } public String getFileData() { return fileData; } public void setFileData(String string) { this.fileData = string; } } The android DDMS gives out of memory exception when tried below code & when i tried to send two files then only first file is created. public class PDFActivity extends Activity { private final String METHOD_NAME = "sendPDFs"; private final String NAMESPACE = "http://webservice.uks.com/"; private final String SOAP_ACTION = NAMESPACE + METHOD_NAME; private final String URL = "http://192.168.1.123:8080/AIPWebService/services/MultipleFilesImpl"; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); TextView textViewOne = (TextView) findViewById(R.id.textViewOne); try { SoapObject soapObject = new SoapObject(NAMESPACE, METHOD_NAME); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope( SoapEnvelope.VER11); envelope.setOutputSoapObject(soapObject); textViewOne.setText("Web Service Started"); AndroidHttpTransport httpTransport = new AndroidHttpTransport(URL); httpTransport.call(SOAP_ACTION, envelope); // SoapObject result = (SoapObject) envelope.getResponse(); Object result = envelope.getResponse(); Log.i("Result", result.toString()); // String fileName = result.getProperty("fileName").toString(); // String fileData = result.getProperty("fileData").toString(); // Log.i("File Name", fileName); // Log.i("File Data", fileData); // File pdfFile = new File(fileName); // FileOutputStream outputStream = // openFileOutput(pdfFile.toString(), // MODE_PRIVATE); // outputStream.write(Base64Coder.decode(fileData)); Log.i("File", "File Created"); // textViewTwo.setText(result); // Object result = envelope.getResponse(); // FileOutputStream outputStream = openFileOutput(name, mode) } catch (Exception e) { e.printStackTrace(); } } } Please help with some explanation or changes in my code. Thanks in Advance.

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• Decryption Key value not match

  - by Jitendra Jadav

  public class TrippleENCRSPDESCSP { public TrippleENCRSPDESCSP() { } public void EncryptIt(string sData,ref byte[] sEncData,ref byte[] Key1,ref byte[] Key2) { try { // Create a new TripleDESCryptoServiceProvider object // to generate a key and initialization vector (IV). TripleDESCryptoServiceProvider tDESalg = new TripleDESCryptoServiceProvider(); // Create a string to encrypt. // Encrypt the string to an in-memory buffer. byte[] Data = EncryptTextToMemory(sData,tDESalg.Key,tDESalg.IV); sEncData = Data; Key1 = tDESalg.Key; Key2 = tDESalg.IV; } catch (Exception) { throw; } } public string DecryptIt(byte[] sEncData) { //byte[] toEncrypt = new ASCIIEncoding().GetBytes(sEncData); //XElement xParser = null; //XmlDocument xDoc = new XmlDocument(); try { //string Final = ""; string sPwd = null; string sKey1 = null; string sKey2 = null; //System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding(); string soutxml = ""; //soutxml = encoding.GetString(sEncData); soutxml = ASCIIEncoding.ASCII.GetString(sEncData); sPwd = soutxml.Substring(18, soutxml.LastIndexOf("</EncPwd>") - 18); sKey1 = soutxml.Substring(18 + sPwd.Length + 15, soutxml.LastIndexOf("</Key1>") - (18 + sPwd.Length + 15)); sKey2 = soutxml.Substring(18 + sPwd.Length + 15 + sKey1.Length + 13, soutxml.LastIndexOf("</Key2>") - (18 + sPwd.Length + 15 + sKey1.Length + 13)); //xDoc.LoadXml(soutxml); //xParser = XElement.Parse(soutxml); //IEnumerable<XElement> elemsValidations = // from el in xParser.Elements("EmailPwd") // select el; #region OldCode //XmlNodeList objXmlNode = xDoc.SelectNodes("EmailPwd"); //foreach (XmlNode xmllist in objXmlNode) //{ // XmlNode xmlsubnode; // xmlsubnode = xmllist.SelectSingleNode("EncPwd"); // xmlsubnode = xmllist.SelectSingleNode("Key1"); // xmlsubnode = xmllist.SelectSingleNode("Key2"); //} #endregion //foreach (XElement elemValidation in elemsValidations) //{ // sPwd = elemValidation.Element("EncPwd").Value; // sKey1 = elemValidation.Element("Key1").Value; // sKey2 = elemValidation.Element("Key2").Value; //} //byte[] Key1 = encoding.GetBytes(sKey1); //byte[] Key2 = encoding.GetBytes(sKey2); //byte[] Data = encoding.GetBytes(sPwd); byte[] Key1 = ASCIIEncoding.ASCII.GetBytes(sKey1); byte[] Key2 = ASCIIEncoding.ASCII.GetBytes(sKey2); byte[] Data = ASCIIEncoding.ASCII.GetBytes(sPwd); // Decrypt the buffer back to a string. string Final = DecryptTextFromMemory(Data, Key1, Key2); return Final; } catch (Exception) { throw; } } public static byte[] EncryptTextToMemory(string Data,byte[] Key,byte[] IV) { try { // Create a MemoryStream. MemoryStream mStream = new MemoryStream(); // Create a CryptoStream using the MemoryStream // and the passed key and initialization vector (IV). CryptoStream cStream = new CryptoStream(mStream, new TripleDESCryptoServiceProvider().CreateEncryptor(Key, IV), CryptoStreamMode.Write); // Convert the passed string to a byte array. //byte[] toEncrypt = new ASCIIEncoding().GetBytes(Data); byte[] toEncrypt = ASCIIEncoding.ASCII.GetBytes(Data); // Write the byte array to the crypto stream and flush it. cStream.Write(toEncrypt, 0, toEncrypt.Length); cStream.FlushFinalBlock(); // Get an array of bytes from the // MemoryStream that holds the // encrypted data. byte[] ret = mStream.ToArray(); // Close the streams. cStream.Close(); mStream.Close(); // Return the encrypted buffer. return ret; } catch (CryptographicException e) { MessageBox.Show("A Cryptographic error occurred: {0}", e.Message); return null; } } public static string DecryptTextFromMemory(byte[] Data, byte[] Key, byte[] IV) { try { // Create a new MemoryStream using the passed // array of encrypted data. MemoryStream msDecrypt = new MemoryStream(Data); // Create a CryptoStream using the MemoryStream // and the passed key and initialization vector (IV). CryptoStream csDecrypt = new CryptoStream(msDecrypt, new TripleDESCryptoServiceProvider().CreateDecryptor(Key, IV), CryptoStreamMode.Write); csDecrypt.Write(Data, 0, Data.Length); //csDecrypt.FlushFinalBlock(); msDecrypt.Position = 0; // Create buffer to hold the decrypted data. byte[] fromEncrypt = new byte[msDecrypt.Length]; // Read the decrypted data out of the crypto stream // and place it into the temporary buffer. msDecrypt.Read(fromEncrypt, 0, msDecrypt.ToArray().Length); //csDecrypt.Close(); MessageBox.Show(ASCIIEncoding.ASCII.GetString(fromEncrypt)); //Convert the buffer into a string and return it. return new ASCIIEncoding().GetString(fromEncrypt); } catch (CryptographicException e) { MessageBox.Show("A Cryptographic error occurred: {0}", e.Message); return null; } } }

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• I'd like to know why a function executes fine when called from x but not when called from y

  - by Roland

  When called from archive(), readcont(char *filename) executes fine! Called from runoptions() though, it fails to list the files "archived"! why is this? The program must run in terminal. Use -h as a parameter to view the usage. This program is written to "archive" text files into ".rldzip" files. readcont( char *x) should show the files archived in file (*x) a) Successful call Use the program to archive 3 text files: rldzip.exe a.txt b.txt c.txt FILEXY -a archive() will call readcont and it will work showing the files archived after the binary FILEXY will be created. b) Unsuccessful call After the file is created, use: rldzip.exe FILEXY.rldzip -v You can see that the function crashes! I'd like to know why is this happening! /* Sa se scrie un program care: a) arhiveaza fisiere b) dezarhiveaza fisierele athivate */ #include<stdio.h> #include<stdlib.h> #include<conio.h> #include<string.h> struct content{ char *text; char *flname; }*arc; FILE *f; void readcont(char *x){ FILE *p; if((p = fopen(x, "rb")) == NULL){ perror("Critical error: "); exit(EXIT_FAILURE); } content aux; int i; fread(&i, sizeof(int), 1, p); printf("\nFiles in %s \n\n", x); while(i-- >1 && fread(&aux, sizeof(struct content), 1, p) != 0) printf("%s \n", aux.flname); fclose(p); printf("\n\n"); } void archive(int argc, char **argv){ int i; char inttext[5000], textline[1000]; //Allocate dynamic memory for the content to be archived! arc = (content*)malloc(argc * sizeof(content)); for(i=1; i< argc; i++) { if((f = fopen(argv[i], "r")) == NULL){ printf("%s: ", argv[i]); perror(""); exit(EXIT_FAILURE); } while(!feof(f)){ fgets(textline, 5000, f); strcat(inttext, textline); } arc[i-1].text = (char*)malloc(strlen(inttext) + 1); strcpy(arc[i-1].text, inttext); arc[i-1].flname = (char*)malloc(strlen(argv[i]) + 1); strcpy(arc[i-1].flname, argv[i]); fclose(f); } char *filen; filen=(char*)malloc(strlen(argv[argc])+1+7); strcpy(filen, argv[argc]); strcat(filen, ".rldzip"); f = fopen(filen, "wb"); fwrite(&argc, sizeof(int), 1, f); fwrite(arc, sizeof(content), argc, f); fclose(f); printf("Success! "); for(i=1; i< argc; i++) { (i==argc-1)? printf("and %s ", argv[i]) : printf("%s ", argv[i]); } printf("compressed into %s", filen); readcont(filen); free(filen); } void help(char *v){ printf("\n\n----------------------RLDZIP----------------------\n\nUsage: \n\n Archive n files: \n\n%s $file[1] $file[2] ... $file[n] $output -a\n\nExample:\n%s a.txt b.txt c.txt output -a\n\n\n\nView files:\n\n %s $file.rldzip -v\n\nExample:\n %s fileE.rldzip -v\n\n", v, v, v, v); } void runoptions(int c, char **v){ int i; if(c < 2){ printf("Arguments missing! Use -h for help"); } else{ for(i=0; i<c; i++) if(strcmp(v[i], "-h") == 0){ help(v[0]); exit(2); } for(i=0; i<c; i++) if(strcmp(v[i], "-v") == 0){ if(c != 3){ printf("Arguments misused! Use -h for help"); exit(2); } else { printf("-%s-", v[1]); readcont(v[1]); } } } if(strcmp(v[c-1], "-a") == 0) archive(c-2, v); } main(int argc, char **argv) { runoptions(argc, argv); }

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• ASp.Net Mvc 1.0 Dynamic Images Returned from Controller taking 154 seconds+ to display in IE8, firef

  - by julian guppy

  I have a curious problem with IE, IIS 6.0 dynamic PNG files and I am baffled as to how to fix.. Snippet from Helper (this returns the URL to the view for requesting the images from my Controller. string url = LinkBuilder.BuildUrlFromExpression(helper.ViewContext.RequestContext, helper.RouteCollection, c = c.FixHeight(ir.Filename, ir.AltText, "FFFFFF")); url = url.Replace("&", "&"); sb.Append(string.Format("<removed id=\"TheImage\" src=\"{0}\" alt=\"\" /", url)+Environment.NewLine); This produces a piece of html as follows:- img id="TheImage" src="/ImgText/FixHeight?sFile=Images%2FUser%2FJulianGuppy%2FMediums%2Fconservatory.jpg&backgroundColour=FFFFFF" alt="" / brackets missing because i cant post an image... even though I dont want to post an image I jsut want to post the markup... sigh Snippet from Controller ImgTextController /// <summary> /// This function fixes the height of the image /// </summary> /// <param name="sFile"></param> /// <param name="alternateText"></param> /// <param name="backgroundColour"></param> /// <returns></returns> [AcceptVerbs(HttpVerbs.Get)] public ActionResult FixHeight(string sFile, string alternateText, string backgroundColour) { #region File if (string.IsNullOrEmpty(sFile)) { return new ImgTextResult(); } // MVC specific change to prepend the new directory if (sFile.IndexOf("Content") == -1) { sFile = "~/Content/" + sFile; } // open the file System.Drawing.Image img; try { img = System.Drawing.Image.FromFile(Server.MapPath(sFile)); } catch { img = null; } // did we fail? if (img == null) { return new ImgTextResult(); } #endregion File #region Width // Sort out the width from the image passed to me Int32 nWidth = img.Width; #endregion Width #region Height Int32 nHeight = img.Height; #endregion Height // What is the ideal height given a width of 2100 this should be 1400. var nIdealHeight = (int)(nWidth / 1.40920096852); // So is the actual height of the image already greater than the ideal height? Int32 nSplit; if (nIdealHeight < nHeight) { // Yes, do nothing, well i need to return the iamge... nSplit = 0; } else { // rob wants to not show the white at the top or bottom, so if we were to crop the image how would be do it // 1. Calculate what the width should be If we dont adjust the heigt var newIdealWidth = (int)(nHeight * 1.40920096852); // 2. This newIdealWidth should be smaller than the existing width... so work out the split on that Int32 newSplit = (nWidth - newIdealWidth) / 2; // 3. Now recrop the image using 0-nHeight as the height (i.e. full height) // but crop the sides so that its the correct aspect ration var newRect = new Rectangle(newSplit, 0, newIdealWidth, nHeight); img = CropImage(img, newRect); nHeight = img.Height; nWidth = img.Width; nSplit = 0; } // No, so I want to place this image on a larger canvas and we do this by Creating a new image to be the size that we want System.Drawing.Image canvas = new Bitmap(nWidth, nIdealHeight, PixelFormat.Format24bppRgb); Graphics g = Graphics.FromImage(canvas); #region Color // Whilst we can set the background colour we shall default to white if (string.IsNullOrEmpty(backgroundColour)) { backgroundColour = "FFFFFF"; } Color bc = ColorTranslator.FromHtml("#" + backgroundColour); #endregion Color // Filling the background (which gives us our broder) Brush backgroundBrush = new SolidBrush(bc); g.FillRectangle(backgroundBrush, -1, -1, nWidth + 1, nIdealHeight + 1); // draw the image at the position var rect = new Rectangle(0, nSplit, nWidth, nHeight); g.DrawImage(img, rect); return new ImgTextResult { Image = canvas, ImageFormat = ImageFormat.Png }; } My ImgTextResult is a class that returns an Action result for me but embedding the image from a memory stream into the response.outputstream. snippet from my ImageResults /// <summary> /// Execute the result /// </summary> /// <param name="context"></param> public override void ExecuteResult(ControllerContext context) { // output context.HttpContext.Response.Clear(); context.HttpContext.Response.ContentType = "image/png"; try { var memStream = new MemoryStream(); Image.Save(memStream, ImageFormat.Png); context.HttpContext.Response.BinaryWrite(memStream.ToArray()); context.HttpContext.Response.Flush(); context.HttpContext.Response.Close(); memStream.Dispose(); Image.Dispose(); } catch (Exception ex) { string a = ex.Message; } } Now all of this works locally and lovely, and indeed all of this works on my production server BUT Only for Firefox, Safari, Chrome (and other browsers) IE has a fit and decides that it either wont display the image or it does display the image after approx 154seconds of waiting..... I have made sure my HTML is XHTML compliant, I have made sure I am getting no Routing errors or crashes in my event log on the server.... Now obviously I have been a muppet and have done something wrong... but what I cant fathom is why in development all works fine, and in production all non IE browsers also work fine, but IE 8 using IIS 6.0 production server is having some kind of problem in returning this PNG and I dont have an error to trace... so what I am looking for is guidance as to how I can debug this problem.

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• changing output in objective-c app

  - by Zack

  // // RC4.m // Play5 // // Created by svp on 24.05.10. // Copyright 2010 __MyCompanyName__. All rights reserved. // #import "RC4.h" @implementation RC4 @synthesize txtLyrics; @synthesize sbox; @synthesize mykey; - (IBAction) clicked: (id) sender { NSData *asciidata1 = [@"4875" dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]; NSString *asciistr1 = [[NSString alloc] initWithData:asciidata1 encoding:NSASCIIStringEncoding]; //[txtLyrics setText:@"go"]; NSData *asciidata = [@"sdf883jsdf22" dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]; NSString *asciistr = [[NSString alloc] initWithData:asciidata encoding:NSASCIIStringEncoding]; //RC4 * x = [RC4 alloc]; [txtLyrics setText:[self decrypt:asciistr1 andKey:asciistr]]; } - (NSMutableArray*) hexToChars: (NSString*) hex { NSMutableArray * arr = [[NSMutableArray alloc] init]; NSRange range; range.length = 2; for (int i = 0; i < [hex length]; i = i + 2) { range.location = 0; NSString * str = [[hex substringWithRange:range] uppercaseString]; unsigned int value; [[NSScanner scannerWithString:str] scanHexInt:&value]; [arr addObject:[[NSNumber alloc] initWithInt:(int)value]]; } return arr; } - (NSString*) charsToStr: (NSMutableArray*) chars { NSString * str = @""; for (int i = 0; i < [chars count]; i++) { str = [NSString stringWithFormat:@"%@%@",[NSString stringWithFormat:@"%c", [chars objectAtIndex:i]],str]; } return str; } //perfect except memory leaks - (NSMutableArray*) strToChars: (NSString*) str { NSData *asciidata = [str dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]; NSString *asciistr = [[NSString alloc] initWithData:asciidata encoding:NSASCIIStringEncoding]; NSMutableArray * arr = [[NSMutableArray alloc] init]; for (int i = 0; i < [str length]; i++) { [arr addObject:[[NSNumber alloc] initWithInt:(int)[asciistr characterAtIndex:i]]]; } return arr; } - (void) initialize: (NSMutableArray*) pwd { sbox = [[NSMutableArray alloc] init]; mykey = [[NSMutableArray alloc] init]; int a = 0; int b; int c = [pwd count]; int d = 0; while (d < 256) { [mykey addObject:[pwd objectAtIndex:(d % c)]]; [sbox addObject:[[NSNumber alloc] initWithInt:d]]; d++; } d = 0; while (d < 256) { a = (a + [[sbox objectAtIndex:d] intValue] + [[mykey objectAtIndex:d] intValue]) % 256; b = [[sbox objectAtIndex:d] intValue]; [sbox replaceObjectAtIndex:d withObject:[sbox objectAtIndex:a]]; [sbox replaceObjectAtIndex:a withObject:[[NSNumber alloc] initWithInt:b]]; d++; } } - (NSMutableArray*) calculate: (NSMutableArray*) plaintxt andPsw: (NSMutableArray*) psw { [self initialize:psw]; int a = 0; int b = 0; NSMutableArray * c = [[NSMutableArray alloc] init]; int d; int e; int f; int g = 0; while (g < [plaintxt count]) { a = (a + 1) % 256; b = (b + [[sbox objectAtIndex:a] intValue]) % 256; e = [[sbox objectAtIndex:a] intValue]; [sbox replaceObjectAtIndex:a withObject:[sbox objectAtIndex:b]]; [sbox replaceObjectAtIndex:b withObject:[[NSNumber alloc] initWithInt:e]]; int h = ([[sbox objectAtIndex:a]intValue] + [[sbox objectAtIndex:b]intValue]) % 256; d = [[sbox objectAtIndex:h] intValue]; f = [[plaintxt objectAtIndex:g] intValue] ^ d; [c addObject:[[NSNumber alloc] initWithInt:f]]; g++; } return c; } - (NSString*) decrypt: (NSString*) src andKey: (NSString*) key { NSMutableArray * plaintxt = [self hexToChars:src]; NSMutableArray * psw = [self strToChars:key]; NSMutableArray * chars = [self calculate:plaintxt andPsw:psw]; NSData *asciidata = [[self charsToStr:chars] dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]; NSString *asciistr = [[NSString alloc] initWithData:asciidata encoding:NSUTF8StringEncoding]; return asciistr; } @end This is supposed to decrypt a hex string with an ascii string, using rc4 decryption. I'm converting my java application to objective-c. The output keeps changing, every time i run it.

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• Trying to reduce the speed overhead of an almost-but-not-quite-int number class

  - by Fumiyo Eda

  I have implemented a C++ class which behaves very similarly to the standard int type. The difference is that it has an additional concept of "epsilon" which represents some tiny value that is much less than 1, but greater than 0. One way to think of it is as a very wide fixed point number with 32 MSBs (the integer parts), 32 LSBs (the epsilon parts) and a huge sea of zeros in between. The following class works, but introduces a ~2x speed penalty in the overall program. (The program includes code that has nothing to do with this class, so the actual speed penalty of this class is probably much greater than 2x.) I can't paste the code that is using this class, but I can say the following: +, -, +=, <, > and >= are the only heavily used operators. Use of setEpsilon() and getInt() is extremely rare. * is also rare, and does not even need to consider the epsilon values at all. Here is the class: #include <limits> struct int32Uepsilon { typedef int32Uepsilon Self; int32Uepsilon () { _value = 0; _eps = 0; } int32Uepsilon (const int &i) { _value = i; _eps = 0; } void setEpsilon() { _eps = 1; } Self operator+(const Self &rhs) const { Self result = *this; result._value += rhs._value; result._eps += rhs._eps; return result; } Self operator-(const Self &rhs) const { Self result = *this; result._value -= rhs._value; result._eps -= rhs._eps; return result; } Self operator-( ) const { Self result = *this; result._value = -result._value; result._eps = -result._eps; return result; } Self operator*(const Self &rhs) const { return this->getInt() * rhs.getInt(); } // XXX: discards epsilon bool operator<(const Self &rhs) const { return (_value < rhs._value) || (_value == rhs._value && _eps < rhs._eps); } bool operator>(const Self &rhs) const { return (_value > rhs._value) || (_value == rhs._value && _eps > rhs._eps); } bool operator>=(const Self &rhs) const { return (_value >= rhs._value) || (_value == rhs._value && _eps >= rhs._eps); } Self &operator+=(const Self &rhs) { this->_value += rhs._value; this->_eps += rhs._eps; return *this; } Self &operator-=(const Self &rhs) { this->_value -= rhs._value; this->_eps -= rhs._eps; return *this; } int getInt() const { return(_value); } private: int _value; int _eps; }; namespace std { template<> struct numeric_limits<int32Uepsilon> { static const bool is_signed = true; static int max() { return 2147483647; } } }; The code above works, but it is quite slow. Does anyone have any ideas on how to improve performance? There are a few hints/details I can give that might be helpful: 32 bits are definitely insufficient to hold both _value and _eps. In practice, up to 24 ~ 28 bits of _value are used and up to 20 bits of _eps are used. I could not measure a significant performance difference between using int32_t and int64_t, so memory overhead itself is probably not the problem here. Saturating addition/subtraction on _eps would be cool, but isn't really necessary. Note that the signs of _value and _eps are not necessarily the same! This broke my first attempt at speeding this class up. Inline assembly is no problem, so long as it works with GCC on a Core i7 system running Linux!

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• Database file is inexplicably locked during SQLite commit

  - by sweeney

  Hello, I'm performing a large number of INSERTS to a SQLite database. I'm using just one thread. I batch the writes to improve performance and have a bit of security in case of a crash. Basically I cache up a bunch of data in memory and then when I deem appropriate, I loop over all of that data and perform the INSERTS. The code for this is shown below: public void Commit() { using (SQLiteConnection conn = new SQLiteConnection(this.connString)) { conn.Open(); using (SQLiteTransaction trans = conn.BeginTransaction()) { using (SQLiteCommand command = conn.CreateCommand()) { command.CommandText = "INSERT OR IGNORE INTO [MY_TABLE] (col1, col2) VALUES (?,?)"; command.Parameters.Add(this.col1Param); command.Parameters.Add(this.col2Param); foreach (Data o in this.dataTemp) { this.col1Param.Value = o.Col1Prop; this. col2Param.Value = o.Col2Prop; command.ExecuteNonQuery(); } } this.TryHandleCommit(trans); } conn.Close(); } } I now employ the following gimmick to get the thing to eventually work: private void TryHandleCommit(SQLiteTransaction trans) { try { trans.Commit(); } catch (Exception e) { Console.WriteLine("Trying again..."); this.TryHandleCommit(trans); } } I create my DB like so: public DataBase(String path) { //build connection string SQLiteConnectionStringBuilder connString = new SQLiteConnectionStringBuilder(); connString.DataSource = path; connString.Version = 3; connString.DefaultTimeout = 5; connString.JournalMode = SQLiteJournalModeEnum.Persist; connString.UseUTF16Encoding = true; using (connection = new SQLiteConnection(connString.ToString())) { //check for existence of db FileInfo f = new FileInfo(path); if (!f.Exists) //build new blank db { SQLiteConnection.CreateFile(path); connection.Open(); using (SQLiteTransaction trans = connection.BeginTransaction()) { using (SQLiteCommand command = connection.CreateCommand()) { command.CommandText = DataBase.CREATE_MATCHES; command.ExecuteNonQuery(); command.CommandText = DataBase.CREATE_STRING_DATA; command.ExecuteNonQuery(); //TODO add logging } trans.Commit(); } connection.Close(); } } } I then export the connection string and use it to obtain new connections in different parts of the program. At seemingly random intervals, though at far too great a rate to ignore or otherwise workaround this problem, I get unhandled SQLiteException: Database file is locked. This occurs when I attempt to commit the transaction. No errors seem to occur prior to then. This does not always happen. Sometimes the whole thing runs without a hitch. No reads are being performed on these files before the commits finish. I have the very latest SQLite binary. I'm compiling for .NET 2.0. I'm using VS 2008. The db is a local file. All of this activity is encapsulated within one thread / process. Virus protection is off (though I think that was only relevant if you were connecting over a network?). As per Scotsman's post I have implemented the following changes: Journal Mode set to Persist DB files stored in C:\Docs + Settings\ApplicationData via System.Windows.Forms.Application.AppData windows call No inner exception Witnessed on two distinct machines (albeit very similar hardware and software) Have been running Process Monitor - no extraneous processes are attaching themselves to the DB files - the problem is definitely in my code... Does anyone have any idea whats going on here? I know I just dropped a whole mess of code, but I've been trying to figure this out for way too long. My thanks to anyone who makes it to the end of this question! brian UPDATES: Thanks for the suggestions so far! I've implemented many of the suggested changes. I feel that we are getting closer to the answer...however... The code above technically works however it is non-deterministic! It is not guaranteed to do anything aside from spin in neutral forever. In practice it seems to work somewhere between the 1st and 10th iteration. If i batch my commits at a reasonable interval damage will be mitigated but I really do not want to leave things in this state... More suggestions welcome!

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• How to handle failure to release a resource which is contained in a smart pointer?

  - by cj

  How should an error during resource deallocation be handled, when the object representing the resource is contained in a shared pointer? Smart pointers are a useful tool to manage resources safely. Examples of such resources are memory, disk files, database connections, or network connections. // open a connection to the local HTTP port boost::shared_ptr<Socket> socket = Socket::connect("localhost:80"); In a typical scenario, the class encapsulating the resource should be noncopyable and polymorphic. A good way to support this is to provide a factory method returning a shared pointer, and declare all constructors non-public. The shared pointers can now be copied from and assigned to freely. The object is automatically destroyed when no reference to it remains, and the destructor then releases the resource. /** A TCP/IP connection. */ class Socket { public: static boost::shared_ptr<Socket> connect(const std::string& address); virtual ~Socket(); protected: Socket(const std::string& address); private: // not implemented Socket(const Socket&); Socket& operator=(const Socket&); }; But there is a problem with this approach. The destructor must not throw, so a failure to release the resource will remain undetected. A common way out of this problem is to add a public method to release the resource. class Socket { public: virtual void close(); // may throw // ... }; Unfortunately, this approach introduces another problem: Our objects may now contain resources which have already been released. This complicates the implementation of the resource class. Even worse, it makes it possible for clients of the class to use it incorrectly. The following example may seem far-fetched, but it is a common pitfall in multi-threaded code. socket->close(); // ... size_t nread = socket->read(&buffer[0], buffer.size()); // wrong use! Either we ensure that the resource is not released before the object is destroyed, thereby losing any way to deal with a failed resource deallocation. Or we provide a way to release the resource explicitly during the object's lifetime, thereby making it possible to use the resource class incorrectly. There is a way out of this dilemma. But the solution involves using a modified shared pointer class. These modifications are likely to be controversial. Typical shared pointer implementations, such as boost::shared_ptr, require that no exception be thrown when their object's destructor is called. Generally, no destructor should ever throw, so this is a reasonable requirement. These implementations also allow a custom deleter function to be specified, which is called in lieu of the destructor when no reference to the object remains. The no-throw requirement is extended to this custom deleter function. The rationale for this requirement is clear: The shared pointer's destructor must not throw. If the deleter function does not throw, nor will the shared pointer's destructor. However, the same holds for other member functions of the shared pointer which lead to resource deallocation, e.g. reset(): If resource deallocation fails, no exception can be thrown. The solution proposed here is to allow custom deleter functions to throw. This means that the modified shared pointer's destructor must catch exceptions thrown by the deleter function. On the other hand, member functions other than the destructor, e.g. reset(), shall not catch exceptions of the deleter function (and their implementation becomes somewhat more complicated). Here is the original example, using a throwing deleter function: /** A TCP/IP connection. */ class Socket { public: static SharedPtr<Socket> connect(const std::string& address); protected: Socket(const std::string& address); virtual Socket() { } private: struct Deleter; // not implemented Socket(const Socket&); Socket& operator=(const Socket&); }; struct Socket::Deleter { void operator()(Socket* socket) { // Close the connection. If an error occurs, delete the socket // and throw an exception. delete socket; } }; SharedPtr<Socket> Socket::connect(const std::string& address) { return SharedPtr<Socket>(new Socket(address), Deleter()); } We can now use reset() to free the resource explicitly. If there is still a reference to the resource in another thread or another part of the program, calling reset() will only decrement the reference count. If this is the last reference to the resource, the resource is released. If resource deallocation fails, an exception is thrown. SharedPtr<Socket> socket = Socket::connect("localhost:80"); // ... socket.reset();

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• Core Animation bad access on device

  - by user1595102

  I'm trying to do a frame by frame animation with CAlayers. I'm doing this with this tutorial http://mysterycoconut.com/blog/2011/01/cag1/ but everything works with disable ARC, when I'm try to rewrite code with ARC, it's works on simulator perfectly but on device I got a bad access memory. Layer Class interface #import <Foundation/Foundation.h> #import <QuartzCore/QuartzCore.h> @interface MCSpriteLayer : CALayer { unsigned int sampleIndex; } // SampleIndex needs to be > 0 @property (readwrite, nonatomic) unsigned int sampleIndex; // For use with sample rects set by the delegate + (id)layerWithImage:(CGImageRef)img; - (id)initWithImage:(CGImageRef)img; // If all samples are the same size + (id)layerWithImage:(CGImageRef)img sampleSize:(CGSize)size; - (id)initWithImage:(CGImageRef)img sampleSize:(CGSize)size; // Use this method instead of sprite.sampleIndex to obtain the index currently displayed on screen - (unsigned int)currentSampleIndex; @end Layer Class implementation @implementation MCSpriteLayer @synthesize sampleIndex; - (id)initWithImage:(CGImageRef)img; { self = [super init]; if (self != nil) { self.contents = (__bridge id)img; sampleIndex = 1; } return self; } + (id)layerWithImage:(CGImageRef)img; { MCSpriteLayer *layer = [(MCSpriteLayer*)[self alloc] initWithImage:img]; return layer ; } - (id)initWithImage:(CGImageRef)img sampleSize:(CGSize)size; { self = [self initWithImage:img]; if (self != nil) { CGSize sampleSizeNormalized = CGSizeMake(size.width/CGImageGetWidth(img), size.height/CGImageGetHeight(img)); self.bounds = CGRectMake( 0, 0, size.width, size.height ); self.contentsRect = CGRectMake( 0, 0, sampleSizeNormalized.width, sampleSizeNormalized.height ); } return self; } + (id)layerWithImage:(CGImageRef)img sampleSize:(CGSize)size; { MCSpriteLayer *layer = [[self alloc] initWithImage:img sampleSize:size]; return layer; } + (BOOL)needsDisplayForKey:(NSString *)key; { return [key isEqualToString:@"sampleIndex"]; } // contentsRect or bounds changes are not animated + (id < CAAction >)defaultActionForKey:(NSString *)aKey; { if ([aKey isEqualToString:@"contentsRect"] || [aKey isEqualToString:@"bounds"]) return (id < CAAction >)[NSNull null]; return [super defaultActionForKey:aKey]; } - (unsigned int)currentSampleIndex; { return ((MCSpriteLayer*)[self presentationLayer]).sampleIndex; } // Implement displayLayer: on the delegate to override how sample rectangles are calculated; remember to use currentSampleIndex, ignore sampleIndex == 0, and set the layer's bounds - (void)display; { if ([self.delegate respondsToSelector:@selector(displayLayer:)]) { [self.delegate displayLayer:self]; return; } unsigned int currentSampleIndex = [self currentSampleIndex]; if (!currentSampleIndex) return; CGSize sampleSize = self.contentsRect.size; self.contentsRect = CGRectMake( ((currentSampleIndex - 1) % (int)(1/sampleSize.width)) * sampleSize.width, ((currentSampleIndex - 1) / (int)(1/sampleSize.width)) * sampleSize.height, sampleSize.width, sampleSize.height ); } @end I create the layer on viewDidAppear and start animate by clicking on button, but after init I got a bad access error -(void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; NSString *path = [[NSBundle mainBundle] pathForResource:@"mama_default.png" ofType:nil]; CGImageRef richterImg = [UIImage imageWithContentsOfFile:path].CGImage; CGSize fixedSize = animacja.frame.size; NSLog(@"wid: %f, heigh: %f", animacja.frame.size.width, animacja.frame.size.height); NSLog(@"%f", animacja.frame.size.width); richter = [MCSpriteLayer layerWithImage:richterImg sampleSize:fixedSize]; animacja.hidden = 1; richter.position = animacja.center; [self.view.layer addSublayer:richter]; } -(IBAction)animacja:(id)sender { if ([richter animationForKey:@"sampleIndex"]) {NSLog(@"jest"); } if (! [richter animationForKey:@"sampleIndex"]) { CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"sampleIndex"]; anim.fromValue = [NSNumber numberWithInt:0]; anim.toValue = [NSNumber numberWithInt:22]; anim.duration = 4; anim.repeatCount = 1; [richter addAnimation:anim forKey:@"sampleIndex"]; } } Have you got any idea how to fix it? Thanks a lot.

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• EXC_BAD_ACCESS at UITableView on IOS

  - by Suprie

  Hi all, When scrolling through table, my application crash and console said it was EXC_BAD_ACCESS. I've look everywhere, and people suggest me to use NSZombieEnabled on my executables environment variables. I've set NSZombieEnabled, NSDebugEnabled, MallocStackLogging and MallocStackLoggingNoCompact to YES on my executables. But apparently i still can't figure out which part of my program that cause EXC_BAD_ACCESS. This is what my console said [Session started at 2010-12-21 21:11:21 +0700.] GNU gdb 6.3.50-20050815 (Apple version gdb-1510) (Wed Sep 22 02:45:02 UTC 2010) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "x86_64-apple-darwin".sharedlibrary apply-load-rules all Attaching to process 9335. TwitterSearch(9335) malloc: recording malloc stacks to disk using standard recorder TwitterSearch(9335) malloc: process 9300 no longer exists, stack logs deleted from /tmp/stack-logs.9300.TwitterSearch.suirlR.index TwitterSearch(9335) malloc: stack logs being written into /tmp/stack- logs.9335.TwitterSearch.tQJAXk.index 2010-12-21 21:11:25.446 TwitterSearch[9335:207] View Did Load Program received signal: “EXC_BAD_ACCESS”. And this is when i tried to type backtrace on gdb : Program received signal: “EXC_BAD_ACCESS”. (gdb) backtrace #0 0x00f20a67 in objc_msgSend () #1 0x0565cd80 in ?? () #2 0x0033b7fa in -[UITableView(UITableViewInternal) _createPreparedCellForGlobalRow:withIndexPath:] () #3 0x0033177f in -[UITableView(UITableViewInternal) _createPreparedCellForGlobalRow:] () #4 0x00346450 in -[UITableView(_UITableViewPrivate) _updateVisibleCellsNow:] () #5 0x0033e538 in -[UITableView layoutSubviews] () #6 0x01ffc451 in -[CALayer layoutSublayers] () #7 0x01ffc17c in CALayerLayoutIfNeeded () #8 0x01ff537c in CA::Context::commit_transaction () #9 0x01ff50d0 in CA::Transaction::commit () #10 0x020257d5 in CA::Transaction::observer_callback () #11 0x00d9ffbb in __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ () #12 0x00d350e7 in __CFRunLoopDoObservers () #13 0x00cfdbd7 in __CFRunLoopRun () #14 0x00cfd240 in CFRunLoopRunSpecific () #15 0x00cfd161 in CFRunLoopRunInMode () #16 0x01a73268 in GSEventRunModal () #17 0x01a7332d in GSEventRun () #18 0x002d642e in UIApplicationMain () #19 0x00001d4e in main (argc=1, argv=0xbfffee34) at /Users/suprie/Documents/Projects/Self/cocoa/TwitterSearch/main.m:14 I really appreciate for any clue to help me debug my application. EDIT this is the Header file of table #import <UIKit/UIKit.h> @interface TwitterTableViewController : UITableViewController { NSMutableArray *twitters; } @property(nonatomic,retain) NSMutableArray *twitters; @end and the implementation file #import "TwitterTableViewController.h" @implementation TwitterTableViewController @synthesize twitters; #pragma mark - #pragma mark Table view data source - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { // Return the number of sections. return 1; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { // Return the number of rows in the section. return [twitters count]; } - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { return 90.0f; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { const NSInteger TAG_IMAGE_VIEW = 1001; const NSInteger TAG_TWEET_VIEW = 1002; const NSInteger TAG_FROM_VIEW = 1003; static NSString *CellIdentifier = @"Cell"; UIImageView *imageView; UILabel *tweet; UILabel *from; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; // Image imageView = [[[[UIImageView alloc] initWithFrame:CGRectMake(5.0f, 5.0f, 60.0f, 60.0f)] autorelease] retain]; [cell.contentView addSubview:imageView]; imageView.tag = TAG_IMAGE_VIEW; // Tweet tweet = [[[UILabel alloc] initWithFrame:CGRectMake(105.0f, 5.0f, 200.0f, 50.0f)] autorelease]; [cell.contentView addSubview:tweet]; tweet.tag = TAG_TWEET_VIEW; tweet.numberOfLines = 2; tweet.font = [UIFont fontWithName:@"Helvetica" size:12]; tweet.textColor = [UIColor blackColor]; tweet.backgroundColor = [UIColor clearColor]; // From from = [[[UILabel alloc] initWithFrame:CGRectMake(105.0f, 55.0, 200.0f, 35.0f)] autorelease]; [cell.contentView addSubview:from]; from.tag = TAG_FROM_VIEW; from.numberOfLines = 1; from.font = [UIFont fontWithName:@"Helvetica" size:10]; from.textColor = [UIColor blackColor]; from.backgroundColor = [UIColor clearColor]; } // Configure the cell... NSMutableDictionary *twitter = [twitters objectAtIndex:(NSInteger) indexPath.row]; // cell.text = [twitter objectForKey:@"text"]; tweet.text = (NSString *) [twitter objectForKey:@"text"]; tweet.hidden = NO; from.text = (NSString *) [twitter objectForKey:@"from_user"]; from.hidden = NO; NSString *avatar_url = (NSString *)[twitter objectForKey:@"profile_image_url"]; NSData * imageData = [[NSData alloc] initWithContentsOfURL: [NSURL URLWithString: avatar_url]]; imageView.image = [UIImage imageWithData: imageData]; imageView.hidden = NO; return cell; } #pragma mark - #pragma mark Table view delegate - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { NSMutableDictionary *twitter = [twitters objectAtIndex:(NSInteger)indexPath.row]; NSLog(@"Twit ini kepilih :%@", [twitter objectForKey:@"text"]); } #pragma mark - #pragma mark Memory management - (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; } - (void)viewDidUnload { } - (void)dealloc { [super dealloc]; } @end

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• OpenSSL in C++ email client - server closes connection with TLSv1 Alert message

  - by mice

  My app connects to a IMAP email server. One client configured his server to reject SSLv2 certificates, and now my app fails to connect to the server. All other email clients connect to this server successfully. My app uses openssl. I debugged by creating minimal openssl client and attempt to connect to the server. Below is the code with connects to the mail server (using Windows sockets, but same problem is with unix sockets). Server sends its initial IMAP greeting message, but after client sends 1st command, server closes connection. In Wireshark, I see that after sending command to server, it returns TLSv1 error message 21 (Encrypted Alert) and connection is gone. I'm looking for proper setup of OpenSSL for this connection to succeed. Thanks #include <stdio.h> #include <memory.h> #include <errno.h> #include <sys/types.h> #include <winsock2.h> #include <openssl/crypto.h> #include <openssl/x509.h> #include <openssl/pem.h> #include <openssl/ssl.h> #include <openssl/err.h> #define CHK_NULL(x) if((x)==NULL) exit(1) #define CHK_ERR(err,s) if((err)==-1) { perror(s); exit(1); } #define CHK_SSL(err) if((err)==-1) { ERR_print_errors_fp(stderr); exit(2); } SSL *ssl; char buf[4096]; void write(const char *s){ int err = SSL_write(ssl, s, strlen(s)); printf("> %s\n", s); CHK_SSL(err); } void read(){ int n = SSL_read(ssl, buf, sizeof(buf) - 1); CHK_SSL(n); if(n==0){ printf("Finished\n"); exit(1); } buf[n] = 0; printf("%s\n", buf); } void main(){ int err=0; SSLeay_add_ssl_algorithms(); SSL_METHOD *meth = SSLv23_client_method(); SSL_load_error_strings(); SSL_CTX *ctx = SSL_CTX_new(meth); CHK_NULL(ctx); WSADATA data; WSAStartup(0x202, &data); int sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); CHK_ERR(sd, "socket"); struct sockaddr_in sa; memset(&sa, 0, sizeof(sa)); sa.sin_family = AF_INET; sa.sin_addr.s_addr = inet_addr("195.137.27.14"); sa.sin_port = htons(993); err = connect(sd,(struct sockaddr*) &sa, sizeof(sa)); CHK_ERR(err, "connect"); /* ----------------------------------------------- */ /* Now we have TCP connection. Start SSL negotiation. */ ssl = SSL_new(ctx); CHK_NULL(ssl); SSL_set_fd(ssl, sd); err = SSL_connect(ssl); CHK_SSL(err); // Following two steps are optional and not required for data exchange to be successful. /* printf("SSL connection using %s\n", SSL_get_cipher(ssl)); X509 *server_cert = SSL_get_peer_certificate(ssl); CHK_NULL(server_cert); printf("Server certificate:\n"); char *str = X509_NAME_oneline(X509_get_subject_name(server_cert),0,0); CHK_NULL(str); printf(" subject: %s\n", str); OPENSSL_free(str); str = X509_NAME_oneline(X509_get_issuer_name (server_cert),0,0); CHK_NULL(str); printf(" issuer: %s\n", str); OPENSSL_free(str); // We could do all sorts of certificate verification stuff here before deallocating the certificate. X509_free(server_cert); */ printf("\n\n"); read(); // get initial IMAP greeting write("1 CAPABILITY\r\n"); // send 1st command read(); // get reply to cmd; server closes connection here write("2 LOGIN a b\r\n"); read(); SSL_shutdown(ssl); closesocket(sd); SSL_free(ssl); SSL_CTX_free(ctx); }

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• What could be the reason for continuous Full GC's during application startup.

  - by Kumar225

  What could be the reason for continuous Full GC's during application (webapplication deployed on tomcat) startup? JDK 1.6 Memory settings -Xms1024M -Xmx1024M -XX:PermSize=200M -XX:MaxPermSize=512M -XX:+UseParallelOldGC jmap output is below Heap Configuration: MinHeapFreeRatio = 40 MaxHeapFreeRatio = 70 MaxHeapSize = 1073741824 (1024.0MB) NewSize = 2686976 (2.5625MB) MaxNewSize = 17592186044415 MB OldSize = 5439488 (5.1875MB) NewRatio = 2 SurvivorRatio = 8 PermSize = 209715200 (200.0MB) MaxPermSize = 536870912 (512.0MB) 0.194: [GC [PSYoungGen: 10489K->720K(305856K)] 10489K->720K(1004928K), 0.0061190 secs] [Times: user=0.01 sys=0.00, real=0.00 secs] 0.200: [Full GC (System) [PSYoungGen: 720K->0K(305856K)] [ParOldGen: 0K->594K(699072K)] 720K->594K(1004928K) [PSPermGen: 6645K->6641K(204800K)], 0.0516540 secs] [Times: user=0.10 sys=0.00, real=0.06 secs] 6.184: [GC [PSYoungGen: 262208K->14797K(305856K)] 262802K->15392K(1004928K), 0.0354510 secs] [Times: user=0.18 sys=0.04, real=0.03 secs] 9.549: [GC [PSYoungGen: 277005K->43625K(305856K)] 277600K->60736K(1004928K), 0.0781960 secs] [Times: user=0.56 sys=0.07, real=0.08 secs] 11.768: [GC [PSYoungGen: 305833K->43645K(305856K)] 322944K->67436K(1004928K), 0.0584750 secs] [Times: user=0.40 sys=0.05, real=0.06 secs] 15.037: [GC [PSYoungGen: 305853K->43619K(305856K)] 329644K->72932K(1004928K), 0.0688340 secs] [Times: user=0.42 sys=0.01, real=0.07 secs] 19.372: [GC [PSYoungGen: 273171K->43621K(305856K)] 302483K->76957K(1004928K), 0.0573890 secs] [Times: user=0.41 sys=0.01, real=0.06 secs] 19.430: [Full GC (System) [PSYoungGen: 43621K->0K(305856K)] [ParOldGen: 33336K->54668K(699072K)] 76957K->54668K(1004928K) [PSPermGen: 36356K->36296K(204800K)], 0.4569500 secs] [Times: user=1.77 sys=0.02, real=0.46 secs] 19.924: [GC [PSYoungGen: 4280K->128K(305856K)] 58949K->54796K(1004928K), 0.0041070 secs] [Times: user=0.01 sys=0.00, real=0.01 secs] 19.928: [Full GC (System) [PSYoungGen: 128K->0K(305856K)] [ParOldGen: 54668K->54532K(699072K)] 54796K->54532K(1004928K) [PSPermGen: 36300K->36300K(204800K)], 0.3531480 secs] [Times: user=1.19 sys=0.10, real=0.35 secs] 20.284: [GC [PSYoungGen: 4280K->64K(305856K)] 58813K->54596K(1004928K), 0.0040580 secs] [Times: user=0.01 sys=0.00, real=0.01 secs] 20.288: [Full GC (System) [PSYoungGen: 64K->0K(305856K)] [ParOldGen: 54532K->54532K(699072K)] 54596K->54532K(1004928K) [PSPermGen: 36300K->36300K(204800K)], 0.2360580 secs] [Times: user=1.01 sys=0.01, real=0.24 secs] 20.525: [GC [PSYoungGen: 4280K->96K(305856K)] 58813K->54628K(1004928K), 0.0030960 secs] [Times: user=0.00 sys=0.00, real=0.00 secs] 20.528: [Full GC (System) [PSYoungGen: 96K->0K(305856K)] [ParOldGen: 54532K->54533K(699072K)] 54628K->54533K(1004928K) [PSPermGen: 36300K->36300K(204800K)], 0.2311320 secs] [Times: user=0.88 sys=0.00, real=0.23 secs] 20.760: [GC [PSYoungGen: 4280K->96K(305856K)] 58814K->54629K(1004928K), 0.0034940 secs] [Times: user=0.00 sys=0.00, real=0.00 secs] 20.764: [Full GC (System) [PSYoungGen: 96K->0K(305856K)] [ParOldGen: 54533K->54533K(699072K)] 54629K->54533K(1004928K) [PSPermGen: 36300K->36300K(204800K)], 0.2381600 secs] [Times: user=0.85 sys=0.01, real=0.24 secs] 21.201: [GC [PSYoungGen: 5160K->354K(305856K)] 59694K->54888K(1004928K), 0.0019950 secs] [Times: user=0.00 sys=0.00, real=0.00 secs] 21.204: [Full GC (System) [PSYoungGen: 354K->0K(305856K)] [ParOldGen: 54533K->54792K(699072K)] 54888K->54792K(1004928K) [PSPermGen: 36300K->36300K(204800K)], 0.2358570 secs] [Times: user=0.98 sys=0.01, real=0.24 secs] 21.442: [GC [PSYoungGen: 4280K->64K(305856K)] 59073K->54856K(1004928K), 0.0022190 secs] [Times: user=0.01 sys=0.00, real=0.01 secs] 21.444: [Full GC (System) [PSYoungGen: 64K->0K(305856K)] [ParOldGen: 54792K->54792K(699072K)] 54856K->54792K(1004928K) [PSPermGen: 36300K->36300K(204800K)], 0.2475970 secs] [Times: user=0.95 sys=0.00, real=0.24 secs] 21.773: [GC [PSYoungGen: 11200K->741K(305856K)] 65993K->55534K(1004928K), 0.0030230 secs] [Times: user=0.01 sys=0.00, real=0.01 secs] 21.776: [Full GC (System) [PSYoungGen: 741K->0K(305856K)] [ParOldGen: 54792K->54376K(699072K)] 55534K->54376K(1004928K) [PSPermGen: 36538K->36537K(204800K)], 0.2550630 secs] [Times: user=1.05 sys=0.00, real=0.25 secs] 22.033: [GC [PSYoungGen: 4280K->96K(305856K)] 58657K->54472K(1004928K), 0.0032130 secs] [Times: user=0.00 sys=0.00, real=0.01 secs] 22.036: [Full GC (System) [PSYoungGen: 96K->0K(305856K)] [ParOldGen: 54376K->54376K(699072K)] 54472K->54376K(1004928K) [PSPermGen: 36537K->36537K(204800K)], 0.2507170 secs] [Times: user=1.01 sys=0.01, real=0.25 secs] 22.289: [GC [PSYoungGen: 4280K->96K(305856K)] 58657K->54472K(1004928K), 0.0038060 secs] [Times: user=0.00 sys=0.00, real=0.00 secs] 22.293: [Full GC (System) [PSYoungGen: 96K->0K(305856K)] [ParOldGen: 54376K->54376K(699072K)] 54472K->54376K(1004928K) [PSPermGen: 36537K->36537K(204800K)], 0.2640250 secs] [Times: user=1.07 sys=0.02, real=0.27 secs] 22.560: [GC [PSYoungGen: 4280K->128K(305856K)] 58657K->54504K(1004928K), 0.0036890 secs] [Times: user=0.01 sys=0.00, real=0.01 secs] 22.564: [Full GC (System) [PSYoungGen: 128K->0K(305856K)] [ParOldGen: 54376K->54377K(699072K)] 54504K->54377K(1004928K) [PSPermGen: 36537K->36536K(204800K)], 0.2585560 secs] [Times: user=1.08 sys=0.01, real=0.25 secs] 22.823: [GC [PSYoungGen: 4533K->96K(305856K)] 58910K->54473K(1004928K), 0.0020840 secs] [Times: user=0.00 sys=0.00, real=0.01 secs] 22.825: [Full GC (System) [PSYoungGen: 96K->0K(305856K)] [ParOldGen: 54377K->54377K(699072K)] 54473K->54377K(1004928K) [PSPermGen: 36536K->36536K(204800K)], 0.2505380 secs] [Times: user=0.99 sys=0.01, real=0.25 secs] 23.077: [GC [PSYoungGen: 4530K->32K(305856K)] 58908K->54409K(1004928K), 0.0016220 secs] [Times: user=0.00 sys=0.00, real=0.00 secs] 23.079: [Full GC (System) [PSYoungGen: 32K->0K(305856K)] [ParOldGen: 54377K->54378K(699072K)] 54409K->54378K(1004928K) [PSPermGen: 36536K->36536K(204800K)], 0.2320970 secs] [Times: user=0.95 sys=0.00, real=0.23 secs] 24.424: [GC [PSYoungGen: 87133K->800K(305856K)] 141512K->55179K(1004928K), 0.0038230 secs] [Times: user=0.01 sys=0.01, real=0.01 secs] 24.428: [Full GC (System) [PSYoungGen: 800K->0K(305856K)] [ParOldGen: 54378K->54950K(699072K)] 55179K->54950K(1004928K) [PSPermGen: 37714K->37712K(204800K)], 0.4105190 secs] [Times: user=1.25 sys=0.17, real=0.41 secs] 24.866: [GC [PSYoungGen: 4280K->256K(305856K)] 59231K->55206K(1004928K), 0.0041370 secs] [Times: user=0.01 sys=0.00, real=0.00 secs] 24.870: [Full GC (System) [PSYoungGen: 256K->0K(305856K)] [ParOldGen: 54950K->54789K(699072K)] 55206K->54789K(1004928K) [PSPermGen: 37720K->37719K(204800K)], 0.4160520 secs] [Times: user=1.12 sys=0.19, real=0.42 secs] 29.041: [GC [PSYoungGen: 262208K->12901K(275136K)] 316997K->67691K(974208K), 0.0170890 secs] [Times: user=0.11 sys=0.00, real=0.02 secs]

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• Change English numbers to Persian and vice versa in MVC (httpmodule)?

  - by Mohammad

  I wanna change all English numbers to Persian for showing to users. and change them to English numbers again for giving all requests (Postbacks) e.g: we have something like this in view IRQ170, I wanna show IRQ??? to users and give IRQ170 from users. I know, I have to use Httpmodule, But I don't know how ? Could you please guide me? Edit : Let me describe more : I've written the following http module : using System; using System.Collections.Specialized; using System.Diagnostics; using System.IO; using System.Text; using System.Text.RegularExpressions; using System.Web; using System.Web.UI; using Smartiz.Common; namespace Smartiz.UI.Classes { public class PersianNumberModule : IHttpModule { private StreamWatcher _watcher; #region Implementation of IHttpModule /// <summary> /// Initializes a module and prepares it to handle requests. /// </summary> /// <param name="context">An <see cref="T:System.Web.HttpApplication"/> that provides access to the methods, properties, and events common to all application objects within an ASP.NET application </param> public void Init(HttpApplication context) { context.BeginRequest += ContextBeginRequest; context.EndRequest += ContextEndRequest; } /// <summary> /// Disposes of the resources (other than memory) used by the module that implements <see cref="T:System.Web.IHttpModule"/>. /// </summary> public void Dispose() { } #endregion private void ContextBeginRequest(object sender, EventArgs e) { HttpApplication context = sender as HttpApplication; if (context == null) return; _watcher = new StreamWatcher(context.Response.Filter); context.Response.Filter = _watcher; } private void ContextEndRequest(object sender, EventArgs e) { HttpApplication context = sender as HttpApplication; if (context == null) return; _watcher = new StreamWatcher(context.Response.Filter); context.Response.Filter = _watcher; } } public class StreamWatcher : Stream { private readonly Stream _stream; private readonly MemoryStream _memoryStream = new MemoryStream(); public StreamWatcher(Stream stream) { _stream = stream; } public override void Flush() { _stream.Flush(); } public override int Read(byte[] buffer, int offset, int count) { int bytesRead = _stream.Read(buffer, offset, count); string orgContent = Encoding.UTF8.GetString(buffer, offset, bytesRead); string newContent = orgContent.ToEnglishNumber(); int newByteCountLength = Encoding.UTF8.GetByteCount(newContent); Encoding.UTF8.GetBytes(newContent, 0, Encoding.UTF8.GetByteCount(newContent), buffer, 0); return newByteCountLength; } public override void Write(byte[] buffer, int offset, int count) { string strBuffer = Encoding.UTF8.GetString(buffer, offset, count); MatchCollection htmlAttributes = Regex.Matches(strBuffer, @"(\S+)=[""']?((?:.(?![""']?\s+(?:\S+)=|[>""']))+.)[""']?", RegexOptions.IgnoreCase | RegexOptions.Multiline); foreach (Match match in htmlAttributes) { strBuffer = strBuffer.Replace(match.Value, match.Value.ToEnglishNumber()); } MatchCollection scripts = Regex.Matches(strBuffer, "<script[^>]*>(.*?)</script>", RegexOptions.Singleline | RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace); foreach (Match match in scripts) { MatchCollection values = Regex.Matches(match.Value, @"([""'])(?:(?=(\\?))\2.)*?\1", RegexOptions.Singleline | RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace); foreach (Match stringValue in values) { strBuffer = strBuffer.Replace(stringValue.Value, stringValue.Value.ToEnglishNumber()); } } MatchCollection styles = Regex.Matches(strBuffer, "<style[^>]*>(.*?)</style>", RegexOptions.Singleline | RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace); foreach (Match match in styles) { strBuffer = strBuffer.Replace(match.Value, match.Value.ToEnglishNumber()); } byte[] data = Encoding.UTF8.GetBytes(strBuffer); _memoryStream.Write(data, offset, count); _stream.Write(data, offset, count); } public override string ToString() { return Encoding.UTF8.GetString(_memoryStream.ToArray()); } #region Rest of the overrides public override bool CanRead { get { throw new NotImplementedException(); } } public override bool CanSeek { get { throw new NotImplementedException(); } } public override bool CanWrite { get { throw new NotImplementedException(); } } public override long Seek(long offset, SeekOrigin origin) { throw new NotImplementedException(); } public override void SetLength(long value) { throw new NotImplementedException(); } public override long Length { get { throw new NotImplementedException(); } } public override long Position { get { throw new NotImplementedException(); } set { throw new NotImplementedException(); } } #endregion } } It works well, but It converts all numbers in css and scripts files to Persian and it causes error.

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• Image loader cant load my live image url

  - by Bindhu

  In my application i need to load the images in list view, when using locale(ip ported url) then no problem all images are loading properly, But when using live url then the images are not loading, My image loader class: public class ImageLoader { MemoryCache memoryCache = new MemoryCache(); FileCache fileCache; private Map<ImageView, String> imageViews = Collections .synchronizedMap(new WeakHashMap<ImageView, String>()); ExecutorService executorService; public ImageLoader(Context context) { fileCache = new FileCache(context); executorService = Executors.newFixedThreadPool(5); } final int stub_id = R.drawable.appointeesample; public void DisplayImage(String url, ImageView imageView) { imageViews.put(imageView, url); Bitmap bitmap = memoryCache.get(url); if (bitmap != null) imageView.setImageBitmap(bitmap); else { Log.d("stub", "stub" + stub_id); queuePhoto(url, imageView); imageView.setImageResource(stub_id); } } private void queuePhoto(String url, ImageView imageView) { PhotoToLoad p = new PhotoToLoad(url, imageView); executorService.submit(new PhotosLoader(p)); } private Bitmap getBitmap(String url) { File f = fileCache.getFile(url); // from SD cache Bitmap b = decodeFile(f); if (b != null) return b; // from web try { Bitmap bitmap = null; URL imageUrl = new URL(url); HttpURLConnection conn = (HttpURLConnection) imageUrl .openConnection(); conn.setConnectTimeout(30000); conn.setReadTimeout(30000); conn.setInstanceFollowRedirects(true); InputStream is = conn.getInputStream(); BufferedInputStream bis = new BufferedInputStream(is, 81960); BitmapFactory.Options opts = new BitmapFactory.Options(); opts.inJustDecodeBounds = true; OutputStream os = new FileOutputStream(f); Utils.CopyStream(bis, os); os.close(); bitmap = decodeFile(f); Log.d("bitmap", "Bit map" + bitmap); return bitmap; } catch (Exception ex) { ex.printStackTrace(); return null; } } // decodes image and scales it to reduce memory consumption private Bitmap decodeFile(File f) { try { try { BitmapFactory.Options o = new BitmapFactory.Options(); o.inJustDecodeBounds = true; BitmapFactory.decodeStream(new FileInputStream(f), null, o); final int REQUIRED_SIZE = 200; int scale = 1; while (o.outWidth / scale / 2 >= REQUIRED_SIZE && o.outHeight / scale / 2 >= REQUIRED_SIZE) scale *= 2; BitmapFactory.Options o2 = new BitmapFactory.Options(); o2.inSampleSize = scale; return BitmapFactory.decodeStream(new FileInputStream(f), null, o2); } catch (FileNotFoundException e) { } finally { System.gc(); } return null; } catch (Exception e) { } return null; } // Task for the queue private class PhotoToLoad { public String url; public ImageView imageView; public PhotoToLoad(String u, ImageView i) { url = u; imageView = i; } } class PhotosLoader implements Runnable { PhotoToLoad photoToLoad; PhotosLoader(PhotoToLoad photoToLoad) { this.photoToLoad = photoToLoad; } @Override public void run() { if (imageViewReused(photoToLoad)) return; Bitmap bmp = getBitmap(photoToLoad.url); memoryCache.put(photoToLoad.url, bmp); if (imageViewReused(photoToLoad)) return; BitmapDisplayer bd = new BitmapDisplayer(bmp, photoToLoad); Activity a = (Activity) photoToLoad.imageView.getContext(); a.runOnUiThread(bd); } } boolean imageViewReused(PhotoToLoad photoToLoad) { String tag = imageViews.get(photoToLoad.imageView); if (tag == null || !tag.equals(photoToLoad.url)) return true; return false; } // Used to display bitmap in the UI thread class BitmapDisplayer implements Runnable { Bitmap bitmap; PhotoToLoad photoToLoad; public BitmapDisplayer(Bitmap b, PhotoToLoad p) { bitmap = b; photoToLoad = p; } public void run() { if (imageViewReused(photoToLoad)) return; if (bitmap != null) photoToLoad.imageView.setImageBitmap(bitmap); else photoToLoad.imageView.setImageResource(stub_id); } } public void clearCache() { memoryCache.clear(); fileCache.clear(); } My Live Image url for Example: https://goappointed.com/images_upload/3330Torana_Logo.JPG I have referred google but no solution is working, Thanks a lot in advance.

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• Odd optimization problem under MSVC

  - by Goz

  I've seen this blog: http://igoro.com/archive/gallery-of-processor-cache-effects/ The "weirdness" in part 7 is what caught my interest. My first thought was "Thats just C# being weird". Its not I wrote the following C++ code. volatile int* p = (volatile int*)_aligned_malloc( sizeof( int ) * 8, 64 ); memset( (void*)p, 0, sizeof( int ) * 8 ); double dStart = t.GetTime(); for (int i = 0; i < 200000000; i++) { //p[0]++;p[1]++;p[2]++;p[3]++; // Option 1 //p[0]++;p[2]++;p[4]++;p[6]++; // Option 2 p[0]++;p[2]++; // Option 3 } double dTime = t.GetTime() - dStart; The timing I get on my 2.4 Ghz Core 2 Quad go as follows: Option 1 = ~8 cycles per loop. Option 2 = ~4 cycles per loop. Option 3 = ~6 cycles per loop. Now This is confusing. My reasoning behind the difference comes down to the cache write latency (3 cycles) on my chip and an assumption that the cache has a 128-bit write port (This is pure guess work on my part). On that basis in Option 1: It will increment p[0] (1 cycle) then increment p[2] (1 cycle) then it has to wait 1 cycle (for cache) then p[1] (1 cycle) then wait 1 cycle (for cache) then p[3] (1 cycle). Finally 2 cycles for increment and jump (Though its usually implemented as decrement and jump). This gives a total of 8 cycles. In Option 2: It can increment p[0] and p[4] in one cycle then increment p[2] and p[6] in another cycle. Then 2 cycles for subtract and jump. No waits needed on cache. Total 4 cycles. In option 3: It can increment p[0] then has to wait 2 cycles then increment p[2] then subtract and jump. The problem is if you set case 3 to increment p[0] and p[4] it STILL takes 6 cycles (which kinda blows my 128-bit read/write port out of the water). So ... can anyone tell me what the hell is going on here? Why DOES case 3 take longer? Also I'd love to know what I've got wrong in my thinking above, as i obviously have something wrong! Any ideas would be much appreciated! :) It'd also be interesting to see how GCC or any other compiler copes with it as well! Edit: Jerry Coffin's idea gave me some thoughts. I've done some more tests (on a different machine so forgive the change in timings) with and without nops and with different counts of nops case 2 - 0.46 00401ABD jne (401AB0h) 0 nops - 0.68 00401AB7 jne (401AB0h) 1 nop - 0.61 00401AB8 jne (401AB0h) 2 nops - 0.636 00401AB9 jne (401AB0h) 3 nops - 0.632 00401ABA jne (401AB0h) 4 nops - 0.66 00401ABB jne (401AB0h) 5 nops - 0.52 00401ABC jne (401AB0h) 6 nops - 0.46 00401ABD jne (401AB0h) 7 nops - 0.46 00401ABE jne (401AB0h) 8 nops - 0.46 00401ABF jne (401AB0h) 9 nops - 0.55 00401AC0 jne (401AB0h) I've included the jump statetements so you can see that the source and destination are in one cache line. You can also see that we start to get a difference when we are 13 bytes or more apart. Until we hit 16 ... then it all goes wrong. So Jerry isn't right (though his suggestion DOES help a bit), however something IS going on. I'm more and more intrigued to try and figure out what it is now. It does appear to be more some sort of memory alignment oddity rather than some sort of instruction throughput oddity. Anyone want to explain this for an inquisitive mind? :D Edit 3: Interjay has a point on the unrolling that blows the previous edit out of the water. With an unrolled loop the performance does not improve. You need to add a nop in to make the gap between jump source and destination the same as for my good nop count above. Performance still sucks. Its interesting that I need 6 nops to improve performance though. I wonder how many nops the processor can issue per cycle? If its 3 then that account for the cache write latency ... But, if thats it, why is the latency occurring? Curiouser and curiouser ...

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• Vector of Object Pointers, general help and confusion

  - by Staypuft

  Have a homework assignment in which I'm supposed to create a vector of pointers to objects Later on down the load, I'll be using inheritance/polymorphism to extend the class to include fees for two-day delivery, next day air, etc. However, that is not my concern right now. The final goal of the current program is to just print out every object's content in the vector (name & address) and find it's shipping cost (weight*cost). My Trouble is not with the logic, I'm just confused on few points related to objects/pointers/vectors in general. But first my code. I basically cut out everything that does not mater right now, int main, will have user input, but right now I hard-coded two examples. #include <iostream> #include <string> #include <vector> using namespace std; class Package { public: Package(); //default constructor Package(string d_name, string d_add, string d_zip, string d_city, string d_state, double c, double w); double calculateCost(double, double); void Print(); ~Package(); private: string dest_name; string dest_address; string dest_zip; string dest_city; string dest_state; double weight; double cost; }; Package::Package() { cout<<"Constucting Package Object with default values: "<<endl; string dest_name=""; string dest_address=""; string dest_zip=""; string dest_city=""; string dest_state=""; double weight=0; double cost=0; } Package::Package(string d_name, string d_add, string d_zip, string d_city, string d_state, string r_name, string r_add, string r_zip, string r_city, string r_state, double w, double c){ cout<<"Constucting Package Object with user defined values: "<<endl; string dest_name=d_name; string dest_address=d_add; string dest_zip=d_zip; string dest_city=d_city; string dest_state=d_state; double weight=w; double cost=c; } Package::~Package() { cout<<"Deconstructing Package Object!"<<endl; delete Package; } double Package::calculateCost(double x, double y){ return x+y; } int main(){ double cost=0; vector<Package*> shipment; cout<<"Enter Shipping Cost: "<<endl; cin>>cost; shipment.push_back(new Package("tom r","123 thunder road", "90210", "Red Bank", "NJ", cost, 10.5)); shipment.push_back(new Package ("Harry Potter","10 Madison Avenue", "55555", "New York", "NY", cost, 32.3)); return 0; } So my questions are: I'm told I have to use a vector of Object Pointers, not Objects. Why? My assignment calls for it specifically, but I'm also told it won't work otherwise. Where should I be creating this vector? Should it be part of my Package Class? How do I go about adding objects into it then? Do I need a copy constructor? Why? What's the proper way to deconstruct my vector of object pointers? Any help would be appreciated. I've searched for a lot of related articles on here and I realize that my program will have memory leaks. Using one of the specialized ptrs from boost:: will not be available for me to use. Right now, I'm more concerned with getting the foundation of my program built. That way I can actually get down to the functionality I need to create. Thanks.

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• my window's handle is unused and cannot be evaluated

  - by numerical25

  I am trying to encapsulate my Win32 application into a class. My problem occurs when trying to initiate my primary window for the application below is my declaration and implementation... I notice the issue within my class method InitInstance(); declaration #pragma once #include "stdafx.h" #include "resource.h" #define MAX_LOADSTRING 100 class RenderEngine { protected: int m_width; int m_height; ATOM RegisterEngineClass(); public: static HINSTANCE m_hInst; HWND m_hWnd; int m_nCmdShow; TCHAR m_szTitle[MAX_LOADSTRING]; // The title bar text TCHAR m_szWindowClass[MAX_LOADSTRING]; // the main window class name bool InitWindow(); bool InitDirectX(); bool InitInstance(); //static functions static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); static INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam); int Run(); }; implementation #include "stdafx.h" #include "RenderEngine.h" HINSTANCE RenderEngine::m_hInst = NULL; bool RenderEngine::InitWindow() { RenderEngine::m_hInst = NULL; // Initialize global strings LoadString(m_hInst, IDS_APP_TITLE, m_szTitle, MAX_LOADSTRING); LoadString(m_hInst, IDC_RENDERENGINE, m_szWindowClass, MAX_LOADSTRING); if(!RegisterEngineClass()) { return false; } if(!InitInstance()) { return false; } return true; } ATOM RenderEngine::RegisterEngineClass() { WNDCLASSEX wcex; wcex.cbSize = sizeof(WNDCLASSEX); wcex.style = CS_HREDRAW | CS_VREDRAW; wcex.lpfnWndProc = RenderEngine::WndProc; wcex.cbClsExtra = 0; wcex.cbWndExtra = 0; wcex.hInstance = m_hInst; wcex.hIcon = LoadIcon(m_hInst, MAKEINTRESOURCE(IDI_RENDERENGINE)); wcex.hCursor = LoadCursor(NULL, IDC_ARROW); wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); wcex.lpszMenuName = MAKEINTRESOURCE(IDC_RENDERENGINE); wcex.lpszClassName = m_szWindowClass; wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL)); return RegisterClassEx(&wcex); } LRESULT CALLBACK RenderEngine::WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { int wmId, wmEvent; PAINTSTRUCT ps; HDC hdc; switch (message) { case WM_COMMAND: wmId = LOWORD(wParam); wmEvent = HIWORD(wParam); // Parse the menu selections: switch (wmId) { case IDM_ABOUT: DialogBox(m_hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About); break; case IDM_EXIT: DestroyWindow(hWnd); break; default: return DefWindowProc(hWnd, message, wParam, lParam); } break; case WM_PAINT: hdc = BeginPaint(hWnd, &ps); // TODO: Add any drawing code here... EndPaint(hWnd, &ps); break; case WM_DESTROY: PostQuitMessage(0); break; default: return DefWindowProc(hWnd, message, wParam, lParam); } return 0; } bool RenderEngine::InitInstance() { m_hWnd = NULL;// When I step into my code it says on this line 0x000000 unused = ??? expression cannot be evaluated m_hWnd = CreateWindow(m_szWindowClass, m_szTitle, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, m_hInst, NULL); if (!m_hWnd)// At this point, memory has been allocated unused = ??. It steps over this { return FALSE; } if(!ShowWindow(m_hWnd, m_nCmdShow))// m_nCmdShow = 1 and m_hWnd is still unused and expression {//Still cannot be evaluated. This statement is true. and shuts down. return false; } UpdateWindow(m_hWnd); return true; } // Message handler for about box. INT_PTR CALLBACK RenderEngine::About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam) { UNREFERENCED_PARAMETER(lParam); switch (message) { case WM_INITDIALOG: return (INT_PTR)TRUE; case WM_COMMAND: if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) { EndDialog(hDlg, LOWORD(wParam)); return (INT_PTR)TRUE; } break; } return (INT_PTR)FALSE; } int RenderEngine::Run() { MSG msg; HACCEL hAccelTable; hAccelTable = LoadAccelerators(m_hInst, MAKEINTRESOURCE(IDC_RENDERENGINE)); // Main message loop: while (GetMessage(&msg, NULL, 0, 0)) { if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) { TranslateMessage(&msg); DispatchMessage(&msg); } } return (int) msg.wParam; } and my winMain function that calls the class // RenderEngine.cpp : Defines the entry point for the application. #include "stdafx.h" #include "RenderEngine.h" // Global Variables: RenderEngine go; int APIENTRY _tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow) { UNREFERENCED_PARAMETER(hPrevInstance); UNREFERENCED_PARAMETER(lpCmdLine); // TODO: Place code here. RenderEngine::m_hInst = hInstance; go.m_nCmdShow = nCmdShow; if(!go.InitWindow()) { return 0; } go.Run(); return 0; }

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• Referenced vector does not pass through functions

  - by kylepayne

  The referenced vector to functions does not hold the information in memory. Do I have to use pointers? Thanks. #include <iostream> #include <cstdlib> #include <vector> #include <string> using namespace std; void menu(); void addvector(vector<string>& vec); void subvector(vector<string>& vec); void vectorsize(const vector<string>& vec); void printvec(const vector<string>& vec); void printvec_bw(const vector<string>& vec); int main() { vector<string> svector; menu(); return 0; } //functions definitions void menu() { vector<string> svector; int choice = 0; cout << "Thanks for using this program! \n" << "Enter 1 to add a string to the vector \n" << "Enter 2 to remove the last string from the vector \n" << "Enter 3 to print the vector size \n" << "Enter 4 to print the contents of the vector \n" << "Enter 5 ----------------------------------- backwards \n" << "Enter 6 to end the program \n"; cin >> choice; switch(choice) { case 1: addvector(svector); menu(); break; case 2: subvector(svector); menu(); break; case 3: vectorsize(svector); menu(); break; case 4: printvec(svector); menu(); break; case 5: printvec_bw(svector); menu(); break; case 6: exit(1); default: cout << "not a valid choice \n"; // menu is structured so that all other functions are called from it. } } void addvector(vector<string>& vec) { //string line; //int i = 0; //cin.ignore(1, '\n'); //cout << "Enter the string please \n"; //getline(cin, line); vec.push_back("the police man's beard is half-constructed"); } void subvector(vector<string>& vec) { vec.pop_back(); return; } void vectorsize(const vector<string>& vec) { if (vec.empty()) { cout << "vector is empty"; } else { cout << vec.size() << endl; } return; } void printvec(const vector<string>& vec) { for(int i = 0; i < vec.size(); i++) { cout << vec[i] << endl; } return; } void printvec_bw(const vector<string>& vec) { for(int i = vec.size(); i > 0; i--) { cout << vec[i] << endl; } return; }

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• OpenGL texture shifted somewhat to the left when applied to a quad

  - by user308226

  I'm a bit new to OpenGL and I've been having a problem with using textures. The texture seems to load fine, but when I run the program, the texture displays shifted a couple pixels to the left, with the section cut off by the shift appearing on the right side. I don't know if the problem here is in the my TGA loader or if it's the way I'm applying the texture to the quad. Here is the loader: #include "texture.h" #include <iostream> GLubyte uncompressedheader[12] = {0,0, 2,0,0,0,0,0,0,0,0,0}; GLubyte compressedheader[12] = {0,0,10,0,0,0,0,0,0,0,0,0}; TGA::TGA() { } //Private loading function called by LoadTGA. Loads uncompressed TGA files //Returns: TRUE on success, FALSE on failure bool TGA::LoadCompressedTGA(char *filename,ifstream &texturestream) { return false; } bool TGA::LoadUncompressedTGA(char *filename,ifstream &texturestream) { cout << "G position status:" << texturestream.tellg() << endl; texturestream.read((char*)header, sizeof(header)); //read 6 bytes into the file to get the tga header width = (GLuint)header[1] * 256 + (GLuint)header[0]; //read and calculate width and save height = (GLuint)header[3] * 256 + (GLuint)header[2]; //read and calculate height and save bpp = (GLuint)header[4]; //read bpp and save cout << bpp << endl; if((width <= 0) || (height <= 0) || ((bpp != 24) && (bpp !=32))) //check to make sure the height, width, and bpp are valid { return false; } if(bpp == 24) { type = GL_RGB; } else { type = GL_RGBA; } imagesize = ((bpp/8) * width * height); //determine size in bytes of the image cout << imagesize << endl; imagedata = new GLubyte[imagesize]; //allocate memory for our imagedata variable texturestream.read((char*)imagedata,imagesize); //read according the the size of the image and save into imagedata for(GLuint cswap = 0; cswap < (GLuint)imagesize; cswap += (bpp/8)) //loop through and reverse the tga's BGR format to RGB { imagedata[cswap] ^= imagedata[cswap+2] ^= //1st Byte XOR 3rd Byte XOR 1st Byte XOR 3rd Byte imagedata[cswap] ^= imagedata[cswap+2]; } texturestream.close(); //close ifstream because we're done with it cout << "image loaded" << endl; glGenTextures(1, &texID); // Generate OpenGL texture IDs glBindTexture(GL_TEXTURE_2D, texID); // Bind Our Texture glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); // Linear Filtered glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexImage2D(GL_TEXTURE_2D, 0, type, width, height, 0, type, GL_UNSIGNED_BYTE, imagedata); delete imagedata; return true; } //Public loading function for TGA images. Opens TGA file and determines //its type, if any, then loads it and calls the appropriate function. //Returns: TRUE on success, FALSE on failure bool TGA::loadTGA(char *filename) { cout << width << endl; ifstream texturestream; texturestream.open(filename,ios::binary); texturestream.read((char*)header,sizeof(header)); //read 6 bytes into the file, its the header. //if it matches the uncompressed header's first 6 bytes, load it as uncompressed LoadUncompressedTGA(filename,texturestream); return true; } GLubyte* TGA::getImageData() { return imagedata; } GLuint& TGA::getTexID() { return texID; } And here's the quad: void Square::show() { glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, texture.texID); //Move to offset glTranslatef( x, y, 0 ); //Start quad glBegin( GL_QUADS ); //Set color to white glColor4f( 1.0, 1.0, 1.0, 1.0 ); //Draw square glTexCoord2f(0.0f, 0.0f); glVertex3f( 0, 0, 0 ); glTexCoord2f(1.0f, 0.0f); glVertex3f( SQUARE_WIDTH, 0, 0 ); glTexCoord2f(1.0f, 1.0f); glVertex3f( SQUARE_WIDTH, SQUARE_HEIGHT, 0 ); glTexCoord2f(0.0f, 1.0f); glVertex3f( 0, SQUARE_HEIGHT, 0 ); //End quad glEnd(); //Reset glLoadIdentity(); }

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• strange behavior while including a class in php

  - by user1864539

  I'm experiencing a strange behavior with PHP. Basically I want to require a class within a PHP script. I know it is straight forward and I did it before but when I do so, it change the behavior of my jquery (1.8.3) ajax response. I'm running a wamp setup and my PHP version is 5.4.6. Here is a sample as for my index.html head (omitting the jquery js include) <script> $(document).ready(function(){ $('#submit').click(function(){ var action = $('#form').attr('action'); var form_data = { fname: $('#fname').val(), lname: $('#lname').val(), phone: $('#phone').val(), email: $('#email').val(), is_ajax: 1 }; $.ajax({ type: $('#form').attr('method'), url: action, data: form_data, success: function(response){ switch(response){ case 'ok': var msg = 'data saved'; break; case 'ko': var msg = 'Oops something wrong happen'; break; default: var msg = 'misc:<br/>'+response; break; } $('#message').html(msg); } }); return false; }); }); </script> body <div id="message"></div> <form id="form" action="handler.php" method="post"> <p> <input type="text" name="fname" id="fname" placeholder="fname"> <input type="text" name="lname" id="lname" placeholder="lname"> </p> <p> <input type="text" name="phone" id="phone" placeholder="phone"> <input type="text" name="email" id="email" placeholder="email"> </p> <input type="submit" name="submit" value="submit" id="submit"> </form> And as for the handler.php file: <?php require('class/Container.php'); $filename = 'xml/memory.xml'; $is_ajax = $_REQUEST['is_ajax']; if(isset($is_ajax) && $is_ajax){ $fname = $_REQUEST['fname']; $lname = $_REQUEST['lname']; $phone = $_REQUEST['phone']; $email = $_REQUEST['email']; $obj = new Container; $obj->insertData('fname',$fname); $obj->insertData('lname',$lname); $obj->insertData('phone',$phone); $obj->insertData('email',$email); $tmp = $obj->give(); $result = $tmp['_obj']; /* Push data inside array */ $array = array(); foreach($result as $key => $value){ array_push($array,$key,$value); } $xml = simplexml_load_file($filename); // check if there is any data in if(count($xml->elements->data) == 0){ // if not, create the structure $xml->elements->addChild('data',''); } // proceed now that we do have the structure if(count($xml->elements->data) == 1){ foreach($result as $key => $value){ $xml->elements->data->addChild($key,$value); } $xml->saveXML($filename); echo 'ok'; }else{ echo 'ko'; } } ? The Container class: <?php class Container{ private $_obj; public function __construct(){ $this->_obj = array(); } public function addData($data = array()){ if(!empty($data)){ $oldData = $this->_obj; $data = array_merge($oldData,$data); $this->_obj = $data; } } public function removeData($key){ if(!empty($key)){ $oldData = $this->_obj; unset($oldData[$key]); $this->_obj = $oldData; } } public function outputData(){ return $this->_obj; } public function give(){ return get_object_vars($this); } public function insertData($key,$value){ $this->_obj[$key] = $value; } } ? The strange thing is that my result always fall under the default switch statement and the ajax response fit both present statement. I noticed then if I just paste the Container class on the top of the handler.php file, everything works properly but it kind of defeat what I try to achieve. I tried different way to include the Container class but it seem to be than the issue is specific to this current scenario. I'm still learning PHP and my guess is that I'm missing something really basic. I also search on stackoverflow regarding the issue I'm experiencing as well as PHP.net, without success. Regards,

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• bandwidth throttling C linux

  - by bob moch

  hi im currently creating a function to create a sleep time i can pause between packets for my port scanner im creating for personal/educational use for my home network. what im currently doing is opening /proc/net/dev and reading the 9th set of digits for the eth0 interface to find out the current packets being set and then reading it again and doing some math to figure out a delay to sleep between sending a packet to a port to identify it and fingerprint it. my problem is that no matter what throttle % i use it always seems to send the same rate of packets. i think its mainly my way of mathematically creating my sleep delay. edit:: dont mind the function declaration and the struct stuff all im doing is spawning this function in a thread and passing a pointer to a struct to the function, recreating the struct locally and then freeing the passed structs memory. void *bandwidthmonitor_cmd(void *param) { char cmdline[1024], *bytedata[19]; int i = 0, ii = 0; long long prevbytes = 0, currentbytes = 0, elapsedbytes = 0, byteusage = 0, maxthrottle = 0; command_struct bandwidth = *((command_struct *)param); free(param); //printf("speed: %d\n throttle: %d\n\n", UPLOAD_SPEED, bandwidth.throttle); maxthrottle = UPLOAD_SPEED * bandwidth.throttle / 100; //printf("max throttle:%lld\n", maxthrottle); FILE *f = fopen("/proc/net/dev", "r"); if(f != NULL) { while(1) { while(fgets(cmdline, sizeof(cmdline), f) != NULL) { cmdline[strlen(cmdline)] = '\0'; if(strncmp(cmdline, " eth0", 6) == 0) { bytedata[0] = strtok(cmdline, " "); while(bytedata[i] != NULL) { i++; bytedata[i] = strtok(NULL, " "); } bytedata[i + 1] = '\0'; currentbytes = atoi(bytedata[9]); } } i = 0; rewind(f); elapsedbytes = currentbytes - prevbytes; prevbytes = currentbytes; byteusage = 8 * (elapsedbytes / 1024); //printf("usage:%lld\n",byteusage); if(ii & 0x40) { SLEEP += (maxthrottle - byteusage) * -1.1;//-2.5; if(SLEEP < 0){ SLEEP = 0; } //printf("sleep:%d\n", SLEEP); } usleep(25000); ii++; } } return NULL; } SLEEP and UPLOAD_SPEED are global variables and UPLOAD_SPEED is in kb/s and generated via a speedtest function that gets the upload speed of my computer. this function is running inside a POSIX thread updating SLEEP which my threads doing the socket work grab to sleep by after every packet. as testing instead of only doing the ports i want to check i make it do all the ports over and over again so i can run dstat on a machine to check bandwidth and no matter what bandwidth.throttle is set to it always seems to generate the same amount of bandwidth to the dstat machine. the way i calculate how much i "should" throttle by is by finding the maximum throttle speed which is defined as maxthrottle = upload_speed * throttle / 100; for example if my upload speed was 1000kb/s and my throttle was 90 (90%) my max throttle would be 900kb/s from there it would find the current bytes sent from /proc/net/dev and then find my sleep time via incrementing or decrementing it via sleep += (maxthrottle - bytesysed) * -1.1; this should in theory increase or decrease the sleep time based on how many bytes used there are. the if(ii & 0x40) statement is just for some moderation control. it makes it so it only sets sleep to a new time every 30-40 iterations. final notes: the main problem is that the sleep timer does not seem to modify the speed of packets being set. or maybe its just my implementation because on a freshly restarted machine where /proc/net/dev has low numbers of bytes sent it seems to raise the sleep timer accordingly on my 60kb/s upload machine (ex if i set the throttle to 2 it will incline the sleep timer until network bandwidth out reaches the max bandwidth threshold, but when i try running it on a server which as been online forever it doesnt seem to work as nicely if at all. if anyone can suggest a new method of monitoring the network to adjust a sleep delay then let me know or if anyone sees a flaw in my code. thank you.

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• MEF + Plug-In not updating

  - by mybrokengnome

  I asked this on the MEF Codeplex forum already, but I haven't gotten a response yet, so I figured I'd try StackOverflow. Here's the original post if anyone's interested (this is just a copy from it): MEF Codeplex "Let me first say that I'm completely new to MEF (just discovered it today) and am very happy with it so far. However, I've ran in to a problem that is very frustrating. I'm creating an app that will have a plugin architecture and the plugins will only be stored in a single DLL file (or coded into the main app). The DLL file needs to be able to be recompiled during run-time and the app should recognize this and re-load the plugins (I know this is difficult, but it's a requirement). To accomplish this I took the approach covered http://blog.maartenballiauw.be/category/MEF.aspx there (look for WebServerDirectoryCatalog). Basically the idea is to "monitor the plugins folder, copy the new/modified assemblies to the web application’s /bin folder and instruct MEF to load its exports from there." This is my code, which is probably not the correct way to do it but it's what I found in some samples around the net: main()... string myExecName = Assembly.GetExecutingAssembly().Location; string myPath = System.IO.Path.GetDirectoryName(myExecName); catalog = new AggregateCatalog(); pluginCatalog = new MyDirectoryCatalog(myPath + @"/Plugins"); catalog.Catalogs.Add(pluginCatalog); exportContainer = new CompositionContainer(catalog); CompositionBatch compBatch = new CompositionBatch(); compBatch.AddPart(this); compBatch.AddPart(catalog); exportContainer.Compose(compBatch); and private FileSystemWatcher fileSystemWatcher; public DirectoryCatalog directoryCatalog; private string path; private string extension; public MyDirectoryCatalog(string path) { Initialize(path, "*.dll", "*.dll"); } private void Initialize(string path, string extension, string modulePattern) { this.path = path; this.extension = extension; fileSystemWatcher = new FileSystemWatcher(path, modulePattern); fileSystemWatcher.Changed += new FileSystemEventHandler(fileSystemWatcher_Changed); fileSystemWatcher.Created += new FileSystemEventHandler(fileSystemWatcher_Created); fileSystemWatcher.Deleted += new FileSystemEventHandler(fileSystemWatcher_Deleted); fileSystemWatcher.Renamed += new RenamedEventHandler(fileSystemWatcher_Renamed); fileSystemWatcher.IncludeSubdirectories = false; fileSystemWatcher.EnableRaisingEvents = true; Refresh(); } void fileSystemWatcher_Renamed(object sender, RenamedEventArgs e) { RemoveFromBin(e.OldName); Refresh(); } void fileSystemWatcher_Deleted(object sender, FileSystemEventArgs e) { RemoveFromBin(e.Name); Refresh(); } void fileSystemWatcher_Created(object sender, FileSystemEventArgs e) { Refresh(); } void fileSystemWatcher_Changed(object sender, FileSystemEventArgs e) { Refresh(); } private void Refresh() { // Determine /bin path string binPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Plugins"); string newPath = ""; // Copy files to /bin foreach (string file in Directory.GetFiles(path, extension, SearchOption.TopDirectoryOnly)) { try { DirectoryInfo dInfo = new DirectoryInfo(binPath); DirectoryInfo[] dirs = dInfo.GetDirectories(); int count = dirs.Count() + 1; newPath = binPath + "/" + count; DirectoryInfo dInfo2 = new DirectoryInfo(newPath); if (!dInfo2.Exists) dInfo2.Create(); File.Copy(file, System.IO.Path.Combine(newPath, System.IO.Path.GetFileName(file)), true); } catch { // Not that big deal... Blog readers will probably kill me for this bit of code :-) } } // Create new directory catalog directoryCatalog = new DirectoryCatalog(newPath, extension); directoryCatalog.Refresh(); } public override IQueryable<ComposablePartDefinition> Parts { get { return directoryCatalog.Parts; } } private void RemoveFromBin(string name) { string binPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, ""); File.Delete(Path.Combine(binPath, name)); } So all this actually works, and after the end of the code in main my IEnumerable variable is actually filled with all the plugins in the DLL (which if you follow the code is located in Plugins/1 so that I can modify the dll in the plugins folder). So now at this point I should be able to re-compile the plugins DLL, drop it in to the Plugins folder, my FileWatcher detect that it's changed, and then copy it into folder "2" and directoryCatalog should point to the new folder. All this actually works! The problem is, even though it seems like every thing is pointed to the right place, my IEnumerable variable is never updated with the new plugins. So close, but yet so far! Any suggestions? I know the downsides of doing it this way, that no dll is actually getting unloaded and causing a memory leak, but it's a Windows App and will probably be started at least once a day, and the plugins are un-likely to change that often, but it's still a requirement from the client that it does this without re-loading the app. Thanks! Thanks for any help you all can provide, it's driving me crazy not being able to figure this out."

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• Differences Between NHibernate and Entity Framework

  - by Ricardo Peres

  Introduction NHibernate and Entity Framework are two of the most popular O/RM frameworks on the .NET world. Although they share some functionality, there are some aspects on which they are quite different. This post will describe this differences and will hopefully help you get started with the one you know less. Mind you, this is a personal selection of features to compare, it is by no way an exhaustive list. History First, a bit of history. NHibernate is an open-source project that was first ported from Java’s venerable Hibernate framework, one of the first O/RM frameworks, but nowadays it is not tied to it, for example, it has .NET specific features, and has evolved in different ways from those of its Java counterpart. Current version is 3.3, with 3.4 on the horizon. It currently targets .NET 3.5, but can be used as well in .NET 4, it only makes no use of any of its specific functionality. You can find its home page at NHForge. Entity Framework 1 came out with .NET 3.5 and is now on its second major version, despite being version 4. Code First sits on top of it and but came separately and will also continue to be released out of line with major .NET distributions. It is currently on version 4.3.1 and version 5 will be released together with .NET Framework 4.5. All versions will target the current version of .NET, at the time of their release. Its home location is located at MSDN. Architecture In NHibernate, there is a separation between the Unit of Work and the configuration and model instances. You start off by creating a Configuration object, where you specify all global NHibernate settings such as the database and dialect to use, the batch sizes, the mappings, etc, then you build an ISessionFactory from it. The ISessionFactory holds model and metadata that is tied to a particular database and to the settings that came from the Configuration object, and, there will typically be only one instance of each in a process. Finally, you create instances of ISession from the ISessionFactory, which is the NHibernate representation of the Unit of Work and Identity Map. This is a lightweight object, it basically opens and closes a database connection as required and keeps track of the entities associated with it. ISession objects are cheap to create and dispose, because all of the model complexity is stored in the ISessionFactory and Configuration objects. As for Entity Framework, the ObjectContext/DbContext holds the configuration, model and acts as the Unit of Work, holding references to all of the known entity instances. This class is therefore not lightweight as its NHibernate counterpart and it is not uncommon to see examples where an instance is cached on a field. Mappings Both NHibernate and Entity Framework (Code First) support the use of POCOs to represent entities, no base classes are required (or even possible, in the case of NHibernate). As for mapping to and from the database, NHibernate supports three types of mappings: XML-based, which have the advantage of not tying the entity classes to a particular O/RM; the XML files can be deployed as files on the file system or as embedded resources in an assembly; Attribute-based, for keeping both the entities and database details on the same place at the expense of polluting the entity classes with NHibernate-specific attributes; Strongly-typed code-based, which allows dynamic creation of the model and strongly typing it, so that if, for example, a property name changes, the mapping will also be updated. Entity Framework can use: Attribute-based (although attributes cannot express all of the available possibilities – for example, cascading); Strongly-typed code mappings. Database Support With NHibernate you can use mostly any database you want, including: SQL Server; SQL Server Compact; SQL Server Azure; Oracle; DB2; PostgreSQL; MySQL; Sybase Adaptive Server/SQL Anywhere; Firebird; SQLLite; Informix; Any through OLE DB; Any through ODBC. Out of the box, Entity Framework only supports SQL Server, but a number of providers exist, both free and commercial, for some of the most used databases, such as Oracle and MySQL. See a list here. Inheritance Strategies Both NHibernate and Entity Framework support the three canonical inheritance strategies: Table Per Type Hierarchy (Single Table Inheritance), Table Per Type (Class Table Inheritance) and Table Per Concrete Type (Concrete Table Inheritance). Associations Regarding associations, both support one to one, one to many and many to many. However, NHibernate offers far more collection types: Bags of entities or values: unordered, possibly with duplicates; Lists of entities or values: ordered, indexed by a number column; Maps of entities or values: indexed by either an entity or any value; Sets of entities or values: unordered, no duplicates; Arrays of entities or values: indexed, immutable. Querying NHibernate exposes several querying APIs: LINQ is probably the most used nowadays, and really does not need to be introduced; Hibernate Query Language (HQL) is a database-agnostic, object-oriented SQL-alike language that exists since NHibernate’s creation and still offers the most advanced querying possibilities; well suited for dynamic queries, even if using string concatenation; Criteria API is an implementation of the Query Object pattern where you create a semi-abstract conceptual representation of the query you wish to execute by means of a class model; also a good choice for dynamic querying; Query Over offers a similar API to Criteria, but using strongly-typed LINQ expressions instead of strings; for this, although more refactor-friendlier that Criteria, it is also less suited for dynamic queries; SQL, including stored procedures, can also be used; Integration with Lucene.NET indexer is available. As for Entity Framework: LINQ to Entities is fully supported, and its implementation is considered very complete; it is the API of choice for most developers; Entity-SQL, HQL’s counterpart, is also an object-oriented, database-independent querying language that can be used for dynamic queries; SQL, of course, is also supported. Caching Both NHibernate and Entity Framework, of course, feature first-level cache. NHibernate also supports a second-level cache, that can be used among multiple ISessionFactorys, even in different processes/machines: Hashtable (in-memory); SysCache (uses ASP.NET as the cache provider); SysCache2 (same as above but with support for SQL Server SQL Dependencies); Prevalence; SharedCache; Memcached; Redis; NCache; Appfabric Caching. Out of the box, Entity Framework does not have any second-level cache mechanism, however, there are some public samples that show how we can add this. ID Generators NHibernate supports different ID generation strategies, coming from the database and otherwise: Identity (for SQL Server, MySQL, and databases who support identity columns); Sequence (for Oracle, PostgreSQL, and others who support sequences); Trigger-based; HiLo; Sequence HiLo (for databases that support sequences); Several GUID flavors, both in GUID as well as in string format; Increment (for single-user uses); Assigned (must know what you’re doing); Sequence-style (either uses an actual sequence or a single-column table); Table of ids; Pooled (similar to HiLo but stores high values in a table); Native (uses whatever mechanism the current database supports, identity or sequence). Entity Framework only supports: Identity generation; GUIDs; Assigned values. Properties NHibernate supports properties of entity types (one to one or many to one), collections (one to many or many to many) as well as scalars and enumerations. It offers a mechanism for having complex property types generated from the database, which even include support for querying. It also supports properties originated from SQL formulas. Entity Framework only supports scalars, entity types and collections. Enumerations support will come in the next version. Events and Interception NHibernate has a very rich event model, that exposes more than 20 events, either for synchronous pre-execution or asynchronous post-execution, including: Pre/Post-Load; Pre/Post-Delete; Pre/Post-Insert; Pre/Post-Update; Pre/Post-Flush. It also features interception of class instancing and SQL generation. As for Entity Framework, only two events exist: ObjectMaterialized (after loading an entity from the database); SavingChanges (before saving changes, which include deleting, inserting and updating). Tracking Changes For NHibernate as well as Entity Framework, all changes are tracked by their respective Unit of Work implementation. Entities can be attached and detached to it, Entity Framework does, however, also support self-tracking entities. Optimistic Concurrency Control NHibernate supports all of the imaginable scenarios: SQL Server’s ROWVERSION; Oracle’s ORA_ROWSCN; A column containing date and time; A column containing a version number; All/dirty columns comparison. Entity Framework is more focused on Entity Framework, so it only supports: SQL Server’s ROWVERSION; Comparing all/some columns. Batching NHibernate has full support for insertion batching, but only if the ID generator in use is not database-based (for example, it cannot be used with Identity), whereas Entity Framework has no batching at all. Cascading Both support cascading for collections and associations: when an entity is deleted, their conceptual children are also deleted. NHibernate also offers the possibility to set the foreign key column on children to NULL instead of removing them. Flushing Changes NHibernate’s ISession has a FlushMode property that can have the following values: Auto: changes are sent to the database when necessary, for example, if there are dirty instances of an entity type, and a query is performed against this entity type, or if the ISession is being disposed; Commit: changes are sent when committing the current transaction; Never: changes are only sent when explicitly calling Flush(). As for Entity Framework, changes have to be explicitly sent through a call to AcceptAllChanges()/SaveChanges(). Lazy Loading NHibernate supports lazy loading for Associated entities (one to one, many to one); Collections (one to many, many to many); Scalar properties (thing of BLOBs or CLOBs). Entity Framework only supports lazy loading for: Associated entities; Collections. Generating and Updating the Database Both NHibernate and Entity Framework Code First (with the Migrations API) allow creating the database model from the mapping and updating it if the mapping changes. Extensibility As you can guess, NHibernate is far more extensible than Entity Framework. Basically, everything can be extended, from ID generation, to LINQ to SQL transformation, HQL native SQL support, custom column types, custom association collections, SQL generation, supported databases, etc. With Entity Framework your options are more limited, at least, because practically no information exists as to what can be extended/changed. It features a provider model that can be extended to support any database. Integration With Other Microsoft APIs and Tools When it comes to integration with Microsoft technologies, it will come as no surprise that Entity Framework offers the best support. For example, the following technologies are fully supported: ASP.NET (through the EntityDataSource); ASP.NET Dynamic Data; WCF Data Services; WCF RIA Services; Visual Studio (through the integrated designer). Documentation This is another point where Entity Framework is superior: NHibernate lacks, for starters, an up to date API reference synchronized with its current version. It does have a community mailing list, blogs and wikis, although not much used. Entity Framework has a number of resources on MSDN and, of course, several forums and discussion groups exist. Conclusion Like I said, this is a personal list. I may come as a surprise to some that Entity Framework is so behind NHibernate in so many aspects, but it is true that NHibernate is much older and, due to its open-source nature, is not tied to product-specific timeframes and can thus evolve much more rapidly. I do like both, and I chose whichever is best for the job I have at hands. I am looking forward to the changes in EF5 which will add significant value to an already interesting product. So, what do you think? Did I forget anything important or is there anything else worth talking about? Looking forward for your comments!

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• Announcing release of ASP.NET MVC 3, IIS Express, SQL CE 4, Web Farm Framework, Orchard, WebMatrix

  - by ScottGu

  I’m excited to announce the release today of several products: ASP.NET MVC 3 NuGet IIS Express 7.5 SQL Server Compact Edition 4 Web Deploy and Web Farm Framework 2.0 Orchard 1.0 WebMatrix 1.0 The above products are all free. They build upon the .NET 4 and VS 2010 release, and add a ton of additional value to ASP.NET (both Web Forms and MVC) and the Microsoft Web Server stack. ASP.NET MVC 3 Today we are shipping the final release of ASP.NET MVC 3.  You can download and install ASP.NET MVC 3 here.  The ASP.NET MVC 3 source code (released under an OSI-compliant open source license) can also optionally be downloaded here. ASP.NET MVC 3 is a significant update that brings with it a bunch of great features.  Some of the improvements include: Razor ASP.NET MVC 3 ships with a new view-engine option called “Razor” (in addition to continuing to support/enhance the existing .aspx view engine).  Razor minimizes the number of characters and keystrokes required when writing a view template, and enables a fast, fluid coding workflow. Unlike most template syntaxes, with Razor you do not need to interrupt your coding to explicitly denote the start and end of server blocks within your HTML. The Razor parser is smart enough to infer this from your code. This enables a compact and expressive syntax which is clean, fast and fun to type.  You can learn more about Razor from some of the blog posts I’ve done about it over the last 6 months Introducing Razor New @model keyword in Razor Layouts with Razor Server-Side Comments with Razor Razor’s @: and <text> syntax Implicit and Explicit code nuggets with Razor Layouts and Sections with Razor Today’s release supports full code intellisense support for Razor (both VB and C#) with Visual Studio 2010 and the free Visual Web Developer 2010 Express. JavaScript Improvements ASP.NET MVC 3 enables richer JavaScript scenarios and takes advantage of emerging HTML5 capabilities. The AJAX and Validation helpers in ASP.NET MVC 3 now use an Unobtrusive JavaScript based approach.  Unobtrusive JavaScript avoids injecting inline JavaScript into HTML, and enables cleaner separation of behavior using the new HTML 5 “data-“ attribute convention (which conveniently works on older browsers as well – including IE6). This keeps your HTML tight and clean, and makes it easier to optionally swap out or customize JS libraries.  ASP.NET MVC 3 now includes built-in support for posting JSON-based parameters from client-side JavaScript to action methods on the server.  This makes it easier to exchange data across the client and server, and build rich JavaScript front-ends.  We think this capability will be particularly useful going forward with scenarios involving client templates and data binding (including the jQuery plugins the ASP.NET team recently contributed to the jQuery project).  Previous releases of ASP.NET MVC included the core jQuery library.  ASP.NET MVC 3 also now ships the jQuery Validate plugin (which our validation helpers use for client-side validation scenarios).  We are also now shipping and including jQuery UI by default as well (which provides a rich set of client-side JavaScript UI widgets for you to use within projects). Improved Validation ASP.NET MVC 3 includes a bunch of validation enhancements that make it even easier to work with data. Client-side validation is now enabled by default with ASP.NET MVC 3 (using an onbtrusive javascript implementation).  Today’s release also includes built-in support for Remote Validation - which enables you to annotate a model class with a validation attribute that causes ASP.NET MVC to perform a remote validation call to a server method when validating input on the client. The validation features introduced within .NET 4’s System.ComponentModel.DataAnnotations namespace are now supported by ASP.NET MVC 3.  This includes support for the new IValidatableObject interface – which enables you to perform model-level validation, and allows you to provide validation error messages specific to the state of the overall model, or between two properties within the model.  ASP.NET MVC 3 also supports the improvements made to the ValidationAttribute class in .NET 4.  ValidationAttribute now supports a new IsValid overload that provides more information about the current validation context, such as what object is being validated.  This enables richer scenarios where you can validate the current value based on another property of the model.  We’ve shipped a built-in [Compare] validation attribute  with ASP.NET MVC 3 that uses this support and makes it easy out of the box to compare and validate two property values. You can use any data access API or technology with ASP.NET MVC.  This past year, though, we’ve worked closely with the .NET data team to ensure that the new EF Code First library works really well for ASP.NET MVC applications.  These two posts of mine cover the latest EF Code First preview and demonstrates how to use it with ASP.NET MVC 3 to enable easy editing of data (with end to end client+server validation support).  The final release of EF Code First will ship in the next few weeks. Today we are also publishing the first preview of a new MvcScaffolding project.  It enables you to easily scaffold ASP.NET MVC 3 Controllers and Views, and works great with EF Code-First (and is pluggable to support other data providers).  You can learn more about it – and install it via NuGet today - from Steve Sanderson’s MvcScaffolding blog post. Output Caching Previous releases of ASP.NET MVC supported output caching content at a URL or action-method level. With ASP.NET MVC V3 we are also enabling support for partial page output caching – which allows you to easily output cache regions or fragments of a response as opposed to the entire thing.  This ends up being super useful in a lot of scenarios, and enables you to dramatically reduce the work your application does on the server.  The new partial page output caching support in ASP.NET MVC 3 enables you to easily re-use cached sub-regions/fragments of a page across multiple URLs on a site.  It supports the ability to cache the content either on the web-server, or optionally cache it within a distributed cache server like Windows Server AppFabric or memcached. I’ll post some tutorials on my blog that show how to take advantage of ASP.NET MVC 3’s new output caching support for partial page scenarios in the future. Better Dependency Injection ASP.NET MVC 3 provides better support for applying Dependency Injection (DI) and integrating with Dependency Injection/IOC containers. With ASP.NET MVC 3 you no longer need to author custom ControllerFactory classes in order to enable DI with Controllers.  You can instead just register a Dependency Injection framework with ASP.NET MVC 3 and it will resolve dependencies not only for Controllers, but also for Views, Action Filters, Model Binders, Value Providers, Validation Providers, and Model Metadata Providers that you use within your application. This makes it much easier to cleanly integrate dependency injection within your projects. Other Goodies ASP.NET MVC 3 includes dozens of other nice improvements that help to both reduce the amount of code you write, and make the code you do write cleaner.  Here are just a few examples: Improved New Project dialog that makes it easy to start new ASP.NET MVC 3 projects from templates. Improved Add->View Scaffolding support that enables the generation of even cleaner view templates. New ViewBag property that uses .NET 4’s dynamic support to make it easy to pass late-bound data from Controllers to Views. Global Filters support that allows specifying cross-cutting filter attributes (like [HandleError]) across all Controllers within an app. New [AllowHtml] attribute that allows for more granular request validation when binding form posted data to models. Sessionless controller support that allows fine grained control over whether SessionState is enabled on a Controller. New ActionResult types like HttpNotFoundResult and RedirectPermanent for common HTTP scenarios. New Html.Raw() helper to indicate that output should not be HTML encoded. New Crypto helpers for salting and hashing passwords. And much, much more… Learn More about ASP.NET MVC 3 We will be posting lots of tutorials and samples on the http://asp.net/mvc site in the weeks ahead.  Below are two good ASP.NET MVC 3 tutorials available on the site today: Build your First ASP.NET MVC 3 Application: VB and C# Building the ASP.NET MVC 3 Music Store We’ll post additional ASP.NET MVC 3 tutorials and videos on the http://asp.net/mvc site in the future. Visit it regularly to find new tutorials as they are published. How to Upgrade Existing Projects ASP.NET MVC 3 is compatible with ASP.NET MVC 2 – which means it should be easy to update existing MVC projects to ASP.NET MVC 3.  The new features in ASP.NET MVC 3 build on top of the foundational work we’ve already done with the MVC 1 and MVC 2 releases – which means that the skills, knowledge, libraries, and books you’ve acquired are all directly applicable with the MVC 3 release.  MVC 3 adds new features and capabilities – it doesn’t obsolete existing ones. You can upgrade existing ASP.NET MVC 2 projects by following the manual upgrade steps in the release notes.  Alternatively, you can use this automated ASP.NET MVC 3 upgrade tool to easily update your  existing projects. Localized Builds Today’s ASP.NET MVC 3 release is available in English.  We will be releasing localized versions of ASP.NET MVC 3 (in 9 languages) in a few days.  I’ll blog pointers to the localized downloads once they are available. NuGet Today we are also shipping NuGet – a free, open source, package manager that makes it easy for you to find, install, and use open source libraries in your projects. It works with all .NET project types (including ASP.NET Web Forms, ASP.NET MVC, WPF, WinForms, Silverlight, and Class Libraries).  You can download and install it here. NuGet enables developers who maintain open source projects (for example, .NET projects like Moq, NHibernate, Ninject, StructureMap, NUnit, Windsor, Raven, Elmah, etc) to package up their libraries and register them with an online gallery/catalog that is searchable.  The client-side NuGet tools – which include full Visual Studio integration – make it trivial for any .NET developer who wants to use one of these libraries to easily find and install it within the project they are working on. NuGet handles dependency management between libraries (for example: library1 depends on library2). It also makes it easy to update (and optionally remove) libraries from your projects later. It supports updating web.config files (if a package needs configuration settings). It also allows packages to add PowerShell scripts to a project (for example: scaffold commands). Importantly, NuGet is transparent and clean – and does not install anything at the system level. Instead it is focused on making it easy to manage libraries you use with your projects. Our goal with NuGet is to make it as simple as possible to integrate open source libraries within .NET projects.  NuGet Gallery This week we also launched a beta version of the http://nuget.org web-site – which allows anyone to easily search and browse an online gallery of open source packages available via NuGet.  The site also now allows developers to optionally submit new packages that they wish to share with others.  You can learn more about how to create and share a package here. There are hundreds of open-source .NET projects already within the NuGet Gallery today.  We hope to have thousands there in the future. IIS Express 7.5 Today we are also shipping IIS Express 7.5.  IIS Express is a free version of IIS 7.5 that is optimized for developer scenarios.  It works for both ASP.NET Web Forms and ASP.NET MVC project types. We think IIS Express combines the ease of use of the ASP.NET Web Server (aka Cassini) currently built-into Visual Studio today with the full power of IIS.  Specifically: It’s lightweight and easy to install (less than 5Mb download and a quick install) It does not require an administrator account to run/debug applications from Visual Studio It enables a full web-server feature set – including SSL, URL Rewrite, and other IIS 7.x modules It supports and enables the same extensibility model and web.config file settings that IIS 7.x support It can be installed side-by-side with the full IIS web server as well as the ASP.NET Development Server (they do not conflict at all) It works on Windows XP and higher operating systems – giving you a full IIS 7.x developer feature-set on all Windows OS platforms IIS Express (like the ASP.NET Development Server) can be quickly launched to run a site from a directory on disk.  It does not require any registration/configuration steps. This makes it really easy to launch and run for development scenarios.  You can also optionally redistribute IIS Express with your own applications if you want a lightweight web-server.  The standard IIS Express EULA now includes redistributable rights. Visual Studio 2010 SP1 adds support for IIS Express.  Read my VS 2010 SP1 and IIS Express blog post to learn more about what it enables.  SQL Server Compact Edition 4 Today we are also shipping SQL Server Compact Edition 4 (aka SQL CE 4).  SQL CE is a free, embedded, database engine that enables easy database storage. No Database Installation Required SQL CE does not require you to run a setup or install a database server in order to use it.  You can simply copy the SQL CE binaries into the \bin directory of your ASP.NET application, and then your web application can use it as a database engine.  No setup or extra security permissions are required for it to run. You do not need to have an administrator account on the machine. Just copy your web application onto any server and it will work. This is true even of medium-trust applications running in a web hosting environment. SQL CE runs in-memory within your ASP.NET application and will start-up when you first access a SQL CE database, and will automatically shutdown when your application is unloaded.  SQL CE databases are stored as files that live within the \App_Data folder of your ASP.NET Applications. Works with Existing Data APIs SQL CE 4 works with existing .NET-based data APIs, and supports a SQL Server compatible query syntax.  This means you can use existing data APIs like ADO.NET, as well as use higher-level ORMs like Entity Framework and NHibernate with SQL CE.  This enables you to use the same data programming skills and data APIs you know today. Supports Development, Testing and Production Scenarios SQL CE can be used for development scenarios, testing scenarios, and light production usage scenarios.  With the SQL CE 4 release we’ve done the engineering work to ensure that SQL CE won’t crash or deadlock when used in a multi-threaded server scenario (like ASP.NET).  This is a big change from previous releases of SQL CE – which were designed for client-only scenarios and which explicitly blocked running in web-server environments.  Starting with SQL CE 4 you can use it in a web-server as well. There are no license restrictions with SQL CE.  It is also totally free. Tooling Support with VS 2010 SP1 Visual Studio 2010 SP1 adds support for SQL CE 4 and ASP.NET Projects.  Read my VS 2010 SP1 and SQL CE 4 blog post to learn more about what it enables.  Web Deploy and Web Farm Framework 2.0 Today we are also releasing Microsoft Web Deploy V2 and Microsoft Web Farm Framework V2.  These services provide a flexible and powerful way to deploy ASP.NET applications onto either a single server, or across a web farm of machines. You can learn more about these capabilities from my previous blog posts on them: Introducing the Microsoft Web Farm Framework Automating Deployment with Microsoft Web Deploy Visit the http://iis.net website to learn more and install them. Both are free. Orchard 1.0 Today we are also releasing Orchard v1.0.  Orchard is a free, open source, community based project.  It provides Content Management System (CMS) and Blogging System support out of the box, and makes it possible to easily create and manage web-sites without having to write code (site owners can customize a site through the browser-based editing tools built-into Orchard).  Read these tutorials to learn more about how you can setup and manage your own Orchard site. Orchard itself is built as an ASP.NET MVC 3 application using Razor view templates (and by default uses SQL CE 4 for data storage).  Developers wishing to extend an Orchard site with custom functionality can open and edit it as a Visual Studio project – and add new ASP.NET MVC Controllers/Views to it.  WebMatrix 1.0 WebMatrix is a new, free, web development tool from Microsoft that provides a suite of technologies that make it easier to enable website development.  It enables a developer to start a new site by browsing and downloading an app template from an online gallery of web applications (which includes popular apps like Umbraco, DotNetNuke, Orchard, WordPress, Drupal and Joomla).  Alternatively it also enables developers to create and code web sites from scratch. WebMatrix is task focused and helps guide developers as they work on sites.  WebMatrix includes IIS Express, SQL CE 4, and ASP.NET - providing an integrated web-server, database and programming framework combination.  It also includes built-in web publishing support which makes it easy to find and deploy sites to web hosting providers. You can learn more about WebMatrix from my Introducing WebMatrix blog post this summer.  Visit http://microsoft.com/web to download and install it today. Summary I’m really excited about today’s releases – they provide a bunch of additional value that makes web development with ASP.NET, Visual Studio and the Microsoft Web Server a lot better.  A lot of folks worked hard to share this with you today. On behalf of my whole team – we hope you enjoy them! Scott P.S. In addition to blogging, I am also now using Twitter for quick updates and to share links. Follow me at: twitter.com/scottgu

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• UPDATE FOR BI PUBLISHER ENTERPRISE 10.1.3.4.1 MARCH 2010

  - by Tim Dexter

  Latest roll up patch for 10.1.3.4.1 is now out in the wild. Yep, there are bug fixes but the guys have implemented some great enhancements. I'll be covering some of them over the coming weeks, from collapsing bookmarks in your PDFs to better MS AD support to 'true' Excel templates, yes you read that correctly! Patch is available from Oracle's support site. Just search for patch 9546699. Here's the contents and readme, apologies for the big list but at least you can search against it for a particular fix. This patch contains backports of following bugs for BI Publisher Enterprise 10.1.3.4.0 and 10.1.3.4.1. 6193342 - REG:SAMPLE DATA FILE FOR PDF FORM MAPPING IS NOT VALIDATED 6261875 - ERRONEOUS PRECISION VALIDATION ON ONLINE ANALYZER 6439437 - NULL POINTER EXCEPTION WHEN PROCESSING TABLE OF CONTENT 6460974 - BACS EFT PAYMENT INSTRUCTION OUTPUT FILE IS EMPTY 6939721 - BIP: REPORT BUSTING DELIVERY KEY VALUES CANNOT CONTAIN SEVERAL SPECIAL CHARACTER 6996069 - USING XML DB FOR BI REPOSITORY FAILS WITH RESOURCENOTFOUNDEXCEPTION 7207434 - TIMEZONE:SHOULD NOT DO TIMEZONE CONVERSION AGAINST CANONICAL DATE YYYY-MM-DD 7371531 - SUPPORT FOR CSV OUTPUT FOR STRUCTURED XML AND NON SQL DATA SOURCES 7596148 - ER: LDAP FOR MS AD TO SEARCH FROM AD ROOT 7646139 - WEBSERVICES ERROR 7829516 - BIP STANDALONE FAILS TO BURST USING XSL-FO TEMPLATES 8219848 - PDF TEMPLATE REPORT NOT PERFORMING PAGE BREAK 8232116 - PARAMETER VALUE IS PASSED AS NULL,IF IT CONTAINS 'AND' WITHIN THE STRING 8250690 - NOT ABLE TO UPLOAD TEMPLATE VIA BIP API 8288459 - ER: QUERY BUILDER OPTION TO NOT INCLUDE TABLENAME. PREFIX IN SQL 8289600 - REPORT TITLE AND DESCRIPTION CAN'T SUPPORT MULTIPLE LANGUAGES 8327080 - CAN NOT CONFIGURE ORACLE EBUSINESS SUITE SECURITY MODEL WITH ORACLE RAC 8332164 - AN XDO PROPERTY TO ENABLE DEBUG LOGGING 8333289 - WEB SERVICE JOBS FAIL AFTER BIP STARTED UP 8340239 - HTTP NOTIFY IS MISSING IN SCHEDULEREPORTREQUEST 8360933 - UNABLE TO USE LOGGED IN BI USER AS THE WSSECURITY USERNAME IN A VARIABLE FORMAT 8400744 - ADMINISTRATOR USER DOES NOT HAVE FULL ADMINISTRATOR RIGHTS 8402436 - CRASH CAUSED BY UNDETERMINED ATTRKEY ERROR IN MULTI-THREADED 8403779 - IMPOSSIBLE TO CONFIGURE PARAMETER FOR A REPORT 8412259 - PDF, RTF OUTPUT NOT HANDLING THE TABLE BORDER AND CONTENT OVERFLOWS TO NEXT PAGE 8483919 - DYNAMIC DATASOURCE WEBSERVICE SHOULD WORK WITH SERVERSIDE CONNECTIONS 8444382 - ID ATTRIBUTE IN TITLE-PAGE DOES NOT WORK WITH SELECTACTION PROPERTY 8446681 - UI LANGUAGE IS NOT REFLECTED AT THE FIRST LOG IN 8449884 - PUBLICREPORTSERVICE FAILS ON EMAIL DELIVERY USING BIP 10.1.3.4.0D+ - NPE 8454858 - DB: XMLP_ADMIN CAN SEE ALL THE FOLDERS BUT ONLY HAS VIEW PERMISSIONS 8458818 - PDFBOOKBINDER FAILS WITH OUTOFMEMORY ERROR WHEN TRYING TO BIND > 1500 PDFS 8463992 - INCORRECT IMPLEMENTATION OF XLIFF SPECIFICATION 8468777 - BI PUBLISHER QUERY BUILDER NOT LOADING SCHEMA OBJECTS 8477310 - QUERY BUILDER NOT WORK WITH SSL ON STANDALONE OC4J 8506701 - POSITIVE PAY FILE WITH OPTIONS NOT CREATING FILE CHECKS OVER 2500 8506761 - PERFORMANCE: PDFBOOKBINDER CLASS TAKES 4 HOURS TO BIND 4000 PAGES 8535604 - NPE WHEN CLICKING "ANALYZER FOR EXCEL" BUTTON IN ALL_* REPORTS 8536246 - REMOVE-PDF-FIELDS DOES NOT WORK WITH CHECKBOXES WITH OPT ARRAY 8541792 - NULLPOINTER EXCEPTION WHILE USING SFTP PROTOCOL 8554443 - LOGGING TIME STAMP IN 10G: THE HOUR PART IS WRONG 8558007 - UNABLE TO LOGIN BIP WITH UNPRIVILEGED USER WHEN XDB IS USED FOR REPORSITORY STOR 8565758 - NEED TO CONNECT IMPERSONATION TO DATA SOURCE WITH PL/SQL FUNCTION 8567235 - EFTPROCESSOR AND XDO DEBUG ENABLED CAUSES ORG.XML.SAX.SAXPARSEEXCEPTION 8572216 - EFTPROCESSOR NOT THREAD SAFE - CAUSING CORRUPTED REPORTS TO BE GENERATED 8575776 - LANDSCAPE REPORT ORIENTAION NOT SELECTED WHEN REPORT IS PRINTED WITH PS 8588330 - XLIFF GENERATING WITH WRONG MAXWIDTH ATTRIBUTE IN SOME TRANS-UNITS 8584446 - EFTGENERATOR DOES NOT USE XSLT SCALABILITY - JAVA.LANG.OUTOFMEMORY EXCEPTION 8594954 - ENG: BIP NOTIFY MESSAGE BECOMES ENGLISH 8599646 - ER:EXTRA SPACE ADDED BELOW IMAGE IN A TABLE CELL OF TEMPLATE IN FIREFOX 8605110 - PDFSIGNATURE API ENCOUNTERS JAVA.LANG.NULLPOINTEREXCEPTION ON PDF WITH WATERMARK 8660915 - BURSTING WITH DATA TEMPLATE NOT WORKING WITH OPTION: VALUE=FALSE 8660920 - ER: EXTRACT XHTML DATA USING XDODTEXE IN XHTML FORMAT 8667150 - PROBLEM WITH 3RD APPLICATION ABOUT PDF GENERATED WITH BI PUBLISHER 8683547 - "CLICK VIEW REPORT BUTTON TO GENERATE THE REPORT" MESSAGE IS DISPLAYED 8713080 - SEARCH" PARAMETER IS NOT SHOWING NON ENGLISH DATA IN INTERNET EXPLORER 8724778 - EXCEL ANALYZER PARAMETERS DO NOT WORK WITH EXCEL 2007 8725450 - UIX 2.3.6.6 UPTAKE FOR 10.1.3.4.1 8728807 - DYNAMIC JDBC DATA SOURCE WITH PRE-PROCESS FUNCTION BASED ON EXISTING DATA SOURCE 8759558 - XDO TEMPLATE SHOWS CURRENCY IN WRONG FORMAT FOR DUNNING 8792894 - EFTPROCESSOR DOES NOT SUPPORT XSL TEMPLATE AS INPUTSTREAM 8793550 - BIP GENERATES CSV REPORTS OUTPUT FORMAT WITH EXTENTION .OUT NOT .CSV IN EMAIL 8819869 - PERIOD CLOSE VALUE SUMMARY REPORT (XML) RUNNING INTO WARNING 8825732 - MY FOLDERS LINK BROKEN WITH USER NAME THAT INCLUDES A SLASH (/) OBIEE SECURITY 8831948 - TRYING TO GENERATE A SCATTER PLOT USING THE CHART WIZARD 8842299 - SEEDED QUERY ALWAYS RETURNS RESULTS BASED ON FIRST COLUMN 8858027 - NODE.GETTEXTCONTEXT() NOT AVAILABLE IN 10G UNDER OC4J 8859957 - REPORT TITLE ALIGNMENT GOES BAD FOR REPORTS WITH XLIFF FILE ATTACHED 8860957 - ER: IMPROVE PERFORMANCE OF ANSWERS PARAMETERS 8891537 - GETREPORTPARAMETERS WEB SERVICE API ISSUES WITH OAAM REPORTS 8891558 - GETTING SQLEXCEPTION IN GENERATEREPORT WEB SERVICE API ON OAAM REPORTS 8927796 - ER: DYANAMIC DATA SOURCE SUPPORT BY DATA SOURCE NAME 8969898 - BI PUBLISHER WEB SERVICE GETREPORTPARAMETERS DOES NOT TRANSLATE PARAMETER LABEL 8998967 - MULTIPLE XSL PREDICATES ELEMENT[A='A'] [B='B'] CAUSES XML-22019 ERROR 9012511 - SCALABLE MODE IS NOT WORKING IN XMLPUBLISHER 10.1.3.4 9016976 - ER: PRINT XSL-T AND FOPROCESSING TIMING INFORMATION 9018580 - WEB SERVICE CALL FAILS WHEN REPORT INCLUDES SEARCH TYPE 9018657 - JOB FAILS WHEN LOV QUERY CONTAINS BIND VARIABLES :XDO_USER_UI_LOCALE 9021224 - PERFORMANCE ISSUE TO VIEW DASHBOARD PAGE WITH BIP REPORT LINKS 9022440 - ER: SUPPORT "COMB OF N CHARACTERS" FEATURE PDF FORM TEXT FIELDS 9026236 - XPATH DOES NOT WORK CORRECTLY IN 10.1.3.4.1 9051652 - FILE EXTENSION OF CSV OUTPUT IS TXT WHEN IT IS EXPORTED FROM REPORT VIEWER 9053770 - WHEN SENDING CSV REPORT OUTPUT BY EMAIL SOMETIMES IT IS SENT WITHOUT EXTENSION 9066483 - PDFBOOKBINDER LEAVE SOME TEMPORARY FILES AFTER MERGING TITLE PAGE OR TOC 9102420 - USE RELATIVE PATHS IN HYPERLINKS 9127185 - CHECKBOX NOT WORK ON SUB TEMPLATE 9149679 - BASE URL IS NOT PASSED CORRECTLY 9149691 - PROVIDE A WAY TO DISABLE THE ABILITY TO CREATE SCHEDULED REPORT JOB "PUBLIC" 9167822 - NOTIFICATION URL BREAKS ON FOLDER NAMES WITH SPACES 9167913 - CHARTS ARE MISSING IN PDF OUTPUTS WHEN THE DEFAULT OUTPUT FORMAT IS NOT A PDF 9217965 - REPORT HISTORY TAKES LONG TIME TO RENDER THE PAGE 9236674 - BI PUBLISHER PARAMETERS DO NOT CASCADE REFRESH AFTER SECOND PARAMETER 9283933 - OPTION TO COLLAPSE PDF OUTPUT BOOKMARKS BY DEFAULT 9287245 - SAVE COMPLETED SCHEDULED REPORTS IN ITS REPORT NAME AND NOT IN A GENERIC NAME 9348862 - ADD FEATURE TO DISABLE THE XSLT1.0-COMPATIBILITY IN RTF TEMPLATE 9355897 - ER: NEED A SAFE DIVIDE FUNCTION 9364169 - UIX 2.3.6.6 PATCH UPTAKE FOR 10.1.3.4.1 9365153 - LEADING WHITESPACE CHARACTERS IN A FIELD TRIMMED WHEN RUN VIEW OR EXPORT TO .CSV 9389039 - LONG TEXT IS NOT WRAPPED PROPERLY IN THE AUTOSHAPE ON RTF TEMPLATE 9475697 - ENH: SUB-TEMPLATE:DYNAMIC VARIABLE WITH PARAMETER VALUE IN CALL-TEMPLATE CLAUSE 9484549 - CHANGE DEFAULT FOR "XSLT1.0-COMPATIBILITY" TO FALSE FOR 10G 9508499 - UNABLE TO READ EXCEL FILE IF MORE THAN 1800 ROWS GENERATED 9546078 - EMAIL DELIVERY INFORMATION SHOULD NOT BE SAVED AND AUTO-FED IN JOB SUBMISSION 9546101 - EXCEPTION OCCURS WHEN SFTP/FTP REMOTE FILENAME DOSE NOT CONTAIN A SLASH '/' 9546117 - SFTP REPORT DELIVERY FAILS WITH NO CLASS DEF FOUND EXCEPTION ON WEBLOGIC 9.2 Following bugs are included in 10.1.3.4.1 and they are only applied to 10.1.3.4.0. 4612604 - FROM EDGE ATTRIBUTE OF HEADER AND FOOTER IS NOT PRESERVED 6621006 - PARAMNAMEVALUE ELEMENT DEFINITION SHOULD HAVE PARAMETER TYPE 6811967 - DATE PARAMETER NOT HANDLING DATE OFFSET WHEN PASSED UPPERCASE Z FOR OFFSET 6864451 - WHEN BIP REPORTS TIMEOUT, THE PROCESS TO LOG BACK IN IS NOT USER FRIENDLY 6869887 - FUSION CURRENCY BRD:4.1.4/4.1.6 OVERRIDINDG MASK /W XSLT._XDOCURMASKS /W SYMBOL 6959078 - "TEXT FIELD CONTAINS COMMA-SEPARATED VALUES" DOESN'T WORK IN CASE OF STRING 6994647 - GETTING ERROR MESSAGE SAYING JOB FAILED EVEN THOUGH WORKS OK IN BI PUBLISHER 7133143 - ENABLE USER TO ENTER 'TODAY' AS VALUE TO DATE PARAMETER IN SCHEDULE REPORT UI 7165117 - QA_BIP_FUNC:-CLOSED LIFE TIME REPORT ERROR MESSAGE IN CMD 7167068 - LEADER-LENGTH OR RULE-THICKNESS PROPRTY IS TOO LARGE 7219517 - NEED EXTENSION FUNCTIONS TO URL ENCODE TEXT STRING. 7269228 - TEMPLATEHELPER PRODUCES A GARBLED OUTPUT WHEN INVOKED BY MULTIPLE THREADS 7276813 - GETREPORTPARAMETERSRETURN ELEMENT SHOULD HAVE DEFAULT VALUE 7279046 - SCHDEULER:UNABLE TO DELETE A JOB USING API 7280336 - ER: BI PUBLISHER - SITEMINDER SUPPORT - GENERIC NON-ORACLE SSO SUPPORT 7281468 - MODIFY SQL SERVER PROPERTIES TO USE HYP DATA DIRECT IN JDBCDEFAULTS.XML 7281495 - PLEASE ADD SUPPORTED DBS TO JDBCDEFAULT.XML AND LIST EACH DB VERSION SEPARATELY 7282456 - FUSION CURRENCY BRD 4.1.9.2: CURRENCY AMOUTS SHOULD NOT BE WRAPPED. MINUS SIGN 7282507 - FUSION CURRENCY BRD4.1.2.5:DISPLAY CURRENCY AND LOCALE DERIVED CURRENCY SYMBOL 7284780 - FUSION CURRENCY BRD 4.1.12.4 CORRECTLY ALIGN NEGATIVE CURRENCY AMOUNTS 7306874 - OPP ERROR - JAVA.LANG.OUTOFMEMORYERROR: ZIP002:OUTOFMEMORYERROR, MEM_ERROR 7309596 - SIEBELCRM: BIP ENHANCEMENT REQUEST FOR SIEBEL PARAMETERIZATION 7337173 - UI LOCALE IS ALWAYS REWRITTEN TO EN WHEN MOVE FROM DASHBOARD 7338349 - REG:ANALYZER REPORT WITH AVERAGE FUNCTION FAIL TO RUN FOR NON INTERACTIVE FORMAT 7343757 - OUTPUT FORMAT OF TEMPLATES IS NOT SAVING 7345989 - SET XDK REPLACEILLEGALCHARS AND ENHANCE XSLTWRAPPER WARNING 7354775 - UNEXPECTED BEHAVIOR OF LAYOUT TEMPLATE PARAMETER OF RUNREPORT WEBSERVICES API 7354798 - SEQUENCE ORDER OF PARAMETERS FOR THE RUNREPORT WEBSERVICES API 7358973 - PARALLEL SFTP DELIVERY FAILS DUE TO SSHEXCEPTION: CORRUPT MAC ON INPUT 7370110 - REGN:FAIL WHEN USE JNDI TO XMLDB REPORT REPOSITORY 7375859 - NEW WEBSERVICE REQUIRED FOR RUNREPORT 7375892 - REQUIRE NEW WEBSERVICE TO CHECK IF REPORTFOLDER EXISTS 7377686 - TEXT-ALIGN NOT APPLIED IN PDF IN HEBREW LOCALE 7413722 - RUNREPORT API DOES NOT PASS BACK ANY GENERATED EXCEPTIONS TO SCHEDULEREPORT 7435420 - FUSION CURRENCY: SUPPORT MICROSOFT(JAVA) FORMAT MASK WITH CURRENCY 7441486 - ER: ADD PARAMETER FOR SFTP TO BURSTING QUERY 7458169 - SSO WITH OID LDAP COULD NOT FETCH OID ROLES 7461161 - EMAIL DELIVERY FAILS - DELIVERYEXCEPTION: 0 BYTE AVAILABLE IN THE GIVEN INPU 7580715 - INCORRECT FORMATTING OF DATES IN TIMEZONE GMT+13 7582694 - INVALID MAXWIDTH VALUE CAUSES NLS FAILURES 7583693 - JAVA.LANG.NULLPOINTEREXCEPTION RAISED WHEN GENERATING HRMS BENEFITS PDF REPORT 7587998 - NEWLY CREATED USERS IN OID CANT ACCESS REPORTS UNTILL BI PUBLISHER IS RESTARTED 7588317 - TABLE OF CONTENT ALWAYS IN THE SAME FONT 7590084 - REMOVING THE BIP ENTERPRISE BANNER BUT KEEPING THE REPORTS & SCHEDULES TAB 7590112 - SOMEONE NOT PRIVILEGED ACCESS BIP DIRECTLY SHOULD GET A CUSTOM PAGE 7590125 - AUTOMATING CREATION OF USERS AND ROLES 7597902 - TIMEZONE SUPPORT IN RUNREPORT WEBSERVICE API 7599031 - XML PUBLISHER SUM(CURRENT-GROUP()) FAILS 7609178 - ISSUE WITH TAGS EXTRACTED FROM RTF TEMPLATE 7613024 - HEADER/FOOTER SETTINGS OF RTF TEMPLATE ARE NOT RETAINING IN THE RTF OUTPUT 7623988 - ADD XSLT FUNCTION TO PRINT XDO PROPERTIES 7625975 - RETRIEVING PARAMETER LOV FROM RTF TEMPLATE 7629445 - SPELL OUT A NUMBER INTO WORDS 7641827 - ANALYTICS FROZED AFTER PAGE TAB WHICH INCLUDES [BI PUBLISHER REPORT] WERE CLICKE 7645504 - BIP REPORT FROZED AFTER THE SAME DASHBOARD BIP REPORTS WERE CLICKED SIMULTANEOUS 7649561 - RECEIVE 'TO MANY OPEN FILE HANDLES' ERROR CAUSING BI TO CRASH 7654155 - BIP REMOVES THE FIRST FILE SEPARATOR WHEN RE-ENTER REPOSITORY LOCATION IN ADMIN 7656834 - NEED AN OPTION TO NOT APPEND SCHEMA NAME IN GENERATED QUERY 7660292 - ER: XDOPARSER UPGRADE TO XDK 11G 7687862 - BIP DATA EXTRACTING ENHANCEMENT FOR SIEBEL BIP INTEGRATION 7694875 - ADMINISTRATOR IS SUPER USER WHETHER CONFIGURED MANDATORY_USER_ROLE OR NOT 7697592 - BI PUBLISHER STRINGINDEXOUTOFBOUNDSEXCEPTION WHEN PRINTING LABEL FROM SIM 7702372 - ARABIC/ENGLISH NUMBER/DATE PROBLEM, TOTAL PAGE NUMBER NOT RENDERED IN ENGLISH 7707987 - OUTOFMEMORY BURSTING A BI PUBLISHER REPORT BI SERVER DATA SOURCE 7712026 - ER: CHANGE CHART OUTPUT FORMAT TO PNG IN HTML OUTPUT 7833732 - THE 'SEARCH' PARAMETER TYPE CANNOT BE USED IN IE6 UNDER WINDOWS 8214839 - ER: INCREASE COLUMN SIZE IN SCHEDULER TABLE XMLP_SCHED_JOB 8218271 - ISSUES WHILE CONVERTING EXCEL TO XML 8218452 - BI PUBLISHER STANDALONE : GRAPHICS WITHOUT COLORS IF MORE THAN 33 PAGES 8250980 - USER WITH XMLP_ADMIN RESPONSIBILITY IS NOT ABLE TO EDIT REPORT IN BIP 8262410 - IMPOSSIBLE TO PRINT PDF CREATED BY BI PUBLISHER VIA 3RD PARTY PDF APPLICATION 8274369 - QA: CANNOT DELETE EMAIL SERVER UNDER DELIVERY CONFIGURATION 8284173 - FO:VISIBILITY="HIDDEN" DOESN'T WORK WITH FO:PAGE-NUMBER-CITATION 8288421 - THE VALUE OF VIEW BY GO BACK TO MY HISTORY IN SCHEDULES TAB 8299212 - REG: THE SPECIFICAL BI USER DIDN'T GET THE CORRECT REPORT HISTORY 8301767 - ORA-01795 ERROR OCCURED AFTER ACCESSING DASHBOARD PAGE WHICH INCLUDES BIP 8304944 - ADD SIEBEL SECURITY MODEL IN BI PUBLISHER 10.1.3.4.1 8312814 - QA:HOT:OBI SERVER JDBC DRIVER BIJDBC14.JAR IN XMLPSERVER.WAR IS INCORRECT 8323679 - BI PUBLISHER SENDS HTML REPORT TO OUTLOOK CLIENT AS ATTACHMENT NOT INLINE 8370794 - HISTORY OF COMPLETED SCHEDULER JOBS STILL SHOW ONE AS RUNNING ON CLUSTER ENV 8390970 - OUT OF MEMORY EXCEPTION RAISED, WHILE SAVING THE DATA 8393681 - CHECKBOX IS SHOWING UP AS CHECKED WHEN DATA IS NOT CHECKED VALUE 8725450 - UIX 2.3.6.6 UPTAKE FOR 10.1.3.4.1 UIX fixes: 6866363 - SUPPORT FOR JAVA DATE FORMAT AS PER JDK 1.4 AND ABOVE 6829124 - DATE PARAMETER NOT HANDLING DATE OFFSET AS PER JAVA STANDARDS ---------------------------- INSTALLATION FOR ENTERPRISE ---------------------------- Upgrade from 10.1.3.4.0d (patch 8284524, 8398280) and 10.1.3.4.1 does not require step 8 and step 9. 1 - Make a backup copy of the xmlp-server-config.xml file located in <application installation>/WEB-INF/ directory, where your application server unpacked the BI Publisher war or ear file. Example: In an Oracle AS/OC4J 10.1.3 deployment, the location is <ORACLE_HOME>/j2ee/home/applications/xmlpserver/xmlpserver/WEB-INF/xmlp-server-config.xml 2 - Back up all the directories under the BI Publisher repository (for example: {Oracle_Home}/xmlp/XMLP). 3 - If you are using Scheduling, back up your existing BI Publisher Scheduler schema. 4 - Shut down BI Publisher. 5 - Undeploy the BI Publisher application ("xmlpserver") from your J2EE application server. See your application server documentation for instructions how to undeploy an application. 6 - Deploy the 10.1.3.4 xmlpserver.ear or xmlpserver.war to your application server. See "Manually Installing BI Publisher to Your J2EE Application Server" secition of BI Publisher Installation Guide for guidelines for your application server type. 7 - Copy the saved backup copy of the xmlp-server-config.xml file from step 1 to the newly created BI Publisher <application installation>/WEB-INF/ directory, where your application server unpacked the BI Publisher war or ear file. Example: In an Oracle AS/OC4J 10.1.3 deployment, the location is <ORACLE_HOME>/j2ee/home/applications/xmlpserver/xmlpserver/WEB-INF/xmlp-server-config.xml 8 - Copy ssodefaults.xml to the following directory. And replace [host]:[port] with your server's information. Default values for other properties can be updated depending on your configuration. <Existing Repository>\XMLP\Admin\Security 9 - Copy database-config.xml to the following directory. <Existing Repository>\XMLP\Admin\Scheduler 10 - Restart xmlpserver application or Application Server ---------------------------------- IBM WEBSPHERE 6.1 DEPLOYMENT NOTE ---------------------------------- When users fail to log on to BI Publisher with "HTTP 500 Internal Server Error" on WebSphere 6.1, you must change Class Loader configuration to avoid the error. (bug7506253 - XMLPSERVER WON'T START AFTER DEPLOYMENT TO WEBSPHERE 6.1) SystemErr.log: java.lang.VerifyError: class loading constraint violated (class: oracle/xml/parser/v2/XMLNode method: xdkSetQxName(Loracle/xml/util/QxName;)V) at pc: 0 .... Class Loader Configuration Steps: 1 - Login to WebSphere Admin console. Click Enterprise Applications under Applications menu 2 - Click xmlpserver application name from the list 3 - Select "Class loading and update detection" 4 - Update class loader configuration as follows in Class Loader -> General Properties * Polling interval for updated files: [0] Seconds * Class loader order: [x] Classes loaded with application class loader first * WAR class loader policy: [x] Single class loader for application 5 - Apply this change and save the new configuration. 6 - Restart xmlpserver application Please refer to WebSphere 6.1 documentation for more details. "http://publib.boulder.ibm.com/infocenter/wasinfo/v6r1/index.jsp?topic=/com.ibm.websphere.base.doc/info/aes/ae/trun_classload_entapp.html"> http://publib.boulder.ibm.com/infocenter/wasinfo/v6r1/index.jsp?topic=/com.ibm.websphere.base.doc/info/aes/ae/trun_classload_entapp.html ------------------------------------------------------- Oracle WebLogic Server 11g R1 (10.3.1) Deployment NOTE ------------------------------------------------------- If you are deploying BI Publisher to WebLogic Server 10.3.1, you must add the following setting at startup for the domain that contains the BI Publisher server in the /weblogic_home/user_projects/domains/base_domain/bin/startWebLogic.sh script : -Dtoplink.xml.platform=oracle.toplink.platform.xml.jaxp.JAXPPlatform This setting is required to enable BI Publisher to find the TopLink JAR files to create the Scheduler tables.

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