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• ASP.NET 3.5 C# : Combine images in one download

  - by Mark

  Hi All, I Would like to know if its possible to combine mulitple images in 1 download. On my homepage I'm showing 12 images which change depending on the country of the user. I notice this takes a lot of time to download for some users and i would like to know if it's possible to combine them into one download with an httphandler (in the way u can combina js and css) or even create 1 static image out of those 12. For an example check here link text Thanks for your time! Kind regards, Mark

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• cant populate cells with an array when i have loaded a second UITableViewController

  - by richard Stephenson

  hi there, im very new to iphone programming, im creating my first app, (a world cup one) the first view is a table view. the cell text label is filled with an array, so it shows all the groups (group a, B, c,ect) then when you select a group, it pulls on another UITableViewcontroller, but whatever i do i cant set the text label of the cells (e.g france,mexico,south africa, etc. infact nothin i do to the cellForRowAtIndexPath makes a difference , could someone tell me what im doing wrong please Thanks `here is my code for the view controller #import "GroupADetailViewController.h" @implementation GroupADetailViewController @synthesize groupLabel = _groupLabel; @synthesize groupADetail = _groupADetail; @synthesize teamsInGroupA; #pragma mark Memory management - (void)dealloc { [_groupADetail release]; [_groupLabel release]; [super dealloc]; } #pragma mark View lifecycle - (void)viewDidLoad { [super viewDidLoad]; // Set the number label to show the number data teamsInGroupA = [[NSArray alloc]initWithObjects:@"France",@"Mexico",@"Uruguay",@"South Africa",nil]; NSLog(@"loaded"); // Set the title to also show the number data [[self navigationItem]setTitle:@"Group A"]; //[[self navigationItem]cell.textLabel.text:@"test"]; //[[self navigationItem] setTitle[NSString String } - (void)viewDidUnload { [self setgroupLabel:nil]; } #pragma mark Table view methods - (NSInteger)numberOfSectionsInTableView:(UITableView*)tableView { // Return the number of sections in the table view return 1; } - (NSInteger)tableView:(UITableView*)tableView numberOfRowsInSection:(NSInteger)section { // Return the number of rows in a specific section // Since we only have one section, just return the number of rows in the table return 4; NSLog:("count is %d",[teamsInGroupA count]); } - (UITableViewCell*)tableView:(UITableView*)tableView cellForRowAtIndexPath:(NSIndexPath*)indexPath { static NSString *cellIdentifier2 = @"Cell2"; // Reuse an existing cell if one is available for reuse UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier2]; // If no cell was available, create a new one if (cell == nil) { NSLog(@"no cell, creating"); cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier2] autorelease]; [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator]; } NSLog(@"cell already there"); // Configure the cell to show the data for this row //[[cell textLabel]setText:[NSString string //[[cell textLabel]setText:[teamsInGroupA objectAtIndex:indexPath.row]]; //NSUInteger row = [indexPath row]; //[cell setText:[[teamsInGroupA objectAtIndex:indexPath:row]retain]]; //cell.textLabel.text:@"Test" [[cell textLabel]setText:[teamsInGroupA objectAtIndex:indexPath.row]]; return cell; } @end #import "GroupADetailViewController.h" @implementation GroupADetailViewController @synthesize groupLabel = _groupLabel; @synthesize groupADetail = _groupADetail; @synthesize teamsInGroupA; #pragma mark Memory management - (void)dealloc { [_groupADetail release]; [_groupLabel release]; [super dealloc]; } #pragma mark View lifecycle - (void)viewDidLoad { [super viewDidLoad]; // Set the number label to show the number data teamsInGroupA = [[NSArray alloc]initWithObjects:@"France",@"Mexico",@"Uruguay",@"South Africa",nil]; NSLog(@"loaded"); // Set the title to also show the number data [[self navigationItem]setTitle:@"Group A"]; //[[self navigationItem]cell.textLabel.text:@"test"]; //[[self navigationItem] setTitle[NSString String } - (void)viewDidUnload { [self setgroupLabel:nil]; } #pragma mark Table view methods - (NSInteger)numberOfSectionsInTableView:(UITableView*)tableView { // Return the number of sections in the table view return 1; } - (NSInteger)tableView:(UITableView*)tableView numberOfRowsInSection:(NSInteger)section { // Return the number of rows in a specific section // Since we only have one section, just return the number of rows in the table return 4; NSLog:("count is %d",[teamsInGroupA count]); } - (UITableViewCell*)tableView:(UITableView*)tableView cellForRowAtIndexPath:(NSIndexPath*)indexPath { static NSString *cellIdentifier2 = @"Cell2"; // Reuse an existing cell if one is available for reuse UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier2]; // If no cell was available, create a new one if (cell == nil) { NSLog(@"no cell, creating"); cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier2] autorelease]; [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator]; } NSLog(@"cell already there"); // Configure the cell to show the data for this row //[[cell textLabel]setText:[NSString string //[[cell textLabel]setText:[teamsInGroupA objectAtIndex:indexPath.row]]; //NSUInteger row = [indexPath row]; //[cell setText:[[teamsInGroupA objectAtIndex:indexPath:row]retain]]; //cell.textLabel.text:@"Test" [[cell textLabel]setText:[teamsInGroupA objectAtIndex:indexPath.row]]; return cell; } @end

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• NHibernate: insert multiple items at once

  - by Gart

  Hello, all! I am learning NHibernate now and I would like to know is it possible to save multiple objects to database in one operation. For example, consider this test code private static void SaveTestBillNamesInSession(ISession session, params string[] names) { var bills = from name in names select new Bill { Name = name, DateRegistered = DateTime.Now, }; foreach (var bill in bills) session.SaveOrUpdate(bill); } This loop here generates many INSERT statements which may be sub-optimal in SQL Server 2008 which allows to include multiple data rows in one INSERT statement. Is it possible to rewrite this code to make use of this functionality - insert all the data in one operation?

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• cache and web-farm

  - by user285336

  I need to deploy my web-application on web-farm. Application has the following strings: public static X509Certificate2 GetIdCertificate() { string cacheKey = "Neogov.Insight.IdentityProvider.PrivateKey"; if (HttpContext.Current.Cache[cacheKey] == null) { //Load new. HttpContext.Current.Cache[cacheKey] = new X509Certificate2( System.Web.HttpContext.Current.Server.MapPath("~/") + "\\ID\\" + Neogov.Insight.IdentityProvider.BLL.IdConfig.Instance.IdPKeyFile, Neogov.Insight.IdentityProvider.BLL.IdConfig.Instance.IdPKeyPassword, X509KeyStorageFlags.MachineKeySet); } return (X509Certificate2)HttpContext.Current.Cache[cacheKey]; } will it work or not? If not then how to solve and what is solution? Thanks

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• Empty page instead of custom tomcat error page

  - by Alexander

  My setting: Apache 2.2 + Tomcat 6.0 @ Windows 2008 R2 64bit static webpages: / servlet: /foo tomcat and apache are connected by mod_jk 404.jsp is placed in tomcat\webapps\ROOT tomcat\conf\web.xml: <error-page> <error-code>404</error-code> <location>/404.jsp</location> </error-page> apache\conf\extra\httpd-ssl.conf: JkMount /foo/* worker1 JkMount /404.jsp worker1 When I open https://...../404.jsp my custom error page is displayed. But when I open https://...../foo/nonexisting.html an empty page is displayed. If I remove the <error-page>...</error-page> code from web.xml and open https://...../foo/nonexisting.html then tomcats own 404 is displayed. Any hints?

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• Unable to use opacity animation w/ position:relative on children

  - by chovy

  Consider the following (applies to all IE6+ browsers -- including IE8): <div id="picture"> <div class="thumb" style="position: relative;"><img .. /></div> <p>Some description</p> </div> When I animate the opacity down to 0 it only works if I change the .thumb class to position: static. This has bigger problems because I use that to constrain absolutely positioned children to that container. I've tried all the hacks I have discovered, none work (bg-color, zoom, etc). You can see an example here: http://chovy.dyndns.org/test/opacity3.html I need to use position: relative on the real world case throughout the container that is getting the animation.

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• Logic differences in C and Java

  - by paragjain16

  Compile and run this code in C #include <stdio.h> int main() { int a[] = {10, 20, 30, 40, 50}; int index = 2; int i; a[index++] = index = index + 2; for(i = 0; i <= 4; i++) printf("%d\n", a[i]); } Output : 10 20 4 40 50 Now for the same logic in Java class Check { public static void main(String[] ar) { int a[] = {10, 20, 30, 40, 50}; int index = 2; a[index++] = index = index + 2; for(int i = 0; i <= 4; i++) System.out.println(a[i]); } } Output : 10 20 5 40 50 Why is there output difference in both languages, output is understandable for Java but I cannot understand output in C One more thing, if we apply the prefix ++ operator, we get the same result in both languages, why?

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• Using SetThreadAffinityMask function imported from kernel32.dll in C # code.

  - by DotNetBeginner

  I am trying to set Thread Affinity using SetThreadAffinityMask function imported from kernel32.dll in C # code of mine. This is how I import SetThreadAffinityMask function from "kernel32.dll" in my C# .net code [DllImport("kernel32.dll")] static extern IntPtr SetThreadAffinityMask(IntPtr hThread, IntPtr dwThreadAffinityMask); I am creating 3 threads Thread t1=new Thread(some delegate); Thread t2=new Thread(some delegate); Thread t3=new Thread(some delegate); I wish to set Thread affinity for t1,t2 & t3 for which I am using SetThreadAffinityMask function. But I am not getting how to pass parameters to this function. SetThreadAffinityMask takes two parameters 1. HANDLE hThread 2. DWORD_PTR dwThreadAffinityMask Please help me in using SetThreadAffinityMask function in C# Thanks in advance !

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• How to Create a Generic Method and Create Instance of The Type

  - by DaveDev

  Hi Guys I want to create a helper method that I can imagine has a signature similar to this: public static MyHtmlTag GenerateTag<T>(this HtmlHelper htmlHelper, object obj) { // how do I create an instance of MyAnchor? // this returns MyAnchor, which has a MyHtmlTag base } When I invoke the method, I want to specify a type of MyHtmlTag, such as MyAnchor, e.g.: <%= Html.GenerateTag<MyAnchor>(obj) %> or <%= Html.GenerateTag<MySpan>(obj) %> Can someone show me how to create this method? Also, what's involved in creating an instance of the type I specified? Activator.CreateInstance()? Thanks Dave

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• nhibernate webforms with class library

  - by frosty

  very new to nhibernate. I'm a little confused on where features should live. I have the following solution 1) MyProject.Web ( web forms application) 2) MyProject.Domain( class lib) - nhibernate.config - product.hbm.xml So is it correct I should put the following method in a IHttpModule? ( i can't use a global asax as it's use by the CMS i'm running ) Where should the connectionString live? HTTPModule in web forms application private static ISessionFactory CreateSessionFactory() { var cfg = new Configuration().Configure(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "nhibernate.config")); cfg.SetProperty(NHibernate.Cfg.Environment.ConnectionStringName, System.Environment.MachineName); NHibernateProfiler.Initialize(); return cfg.BuildSessionFactory(); } nhibernate.config <?xml version="1.0" encoding="utf-8" ?> NHibernate.Dialect.MsSql2005Dialect NHibernate.Connection.DriverConnectionProvider NHibernate.Driver.SqlClientDriver 16 web NHibernate.ByteCode.Castle.ProxyFactoryFactory, NHibernate.ByteCode.Castle enter code here

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• Convert Date to Datetime field.

  - by infant programmer

  The argument my C# function is getting is a string which is merely a Date or a DateTime. I am suppose to convert this String to DateTime, to carry on furthure calculation. Now I need to test whether the incoming data is a Date, if it is date(examle:"12/31/2009"), then I need to add "00:00:00" (24 hours format) to it, so that it will become "12/31/2009 00:00:00". If string manipulation is one possible way, I want to confirm whether there is some other way where we can automate the testing and conversion within DateTime.TryParseExact() method. This is my sample C# code : (which is now only able to convert string of format "MM/dd/yyyy HH:mm:ss" to DateTime.) private static string[] formats = new string[] { "MM/dd/yyyy HH:mm:ss" }; public string date_conv(string date_str) { DateTime date_value; DateTime.TryParseExact(date_str, formats, new global::System.Globalization.CultureInfo("en-US"), global::System.Globalization.DateTimeStyles.None, out date_value); /*Some useful instruction to use date_value*/ return(date_value.ToString("MM/dd/yyyy HH:mm:ss")); }

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• OutOfMemoryError calling XmlSerializer.Deserialize() - not related to XML size!

  - by Mike Atlas

  This is a really crazy bug. The following is throwing an OutOfMemoryException, for XML snippits that are very short (e.g., <ABC def='123'/>) of one type, but not for others of the same size but a different type: (e.g., <ZYX qpr='baz'/>). public static T DeserializeXmlNode<T>(XmlNode node) { try { return (T)new XmlSerializer(typeof(T)) .Deserialize(new XmlNodeReader(node)); } catch (Exception ex) { throw; // just for catching a breakpoint. } } I read in this MSDN article that if I were using XmlSerializer with additional parameters in the constructor, I'd end up generating un-cached serializer assemblies every it got called, causing an Assembly Leak. But I'm not using additional parameters in the constructor. It also happens on the first call, too, so the AppDomain is fresh. Worse yet, it is only thrown in release builds, not debug builds. What gives?

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• Why does gcc add symbols to non-debug build?

  - by Matt Holgate

  When I do a release build with gcc (i.e. I do not specify -g), I still seem to end up with symbols in the binary, and have to use strip to remove them. In fact, I can still breakpoint functions and get backtraces in gdb (albeit without line numbers). This surprised me - can anyone explain why this happens? e.g. #include <stdio.h> static void blah(void) { printf("hello world\n"); } int main(int argc, char *argv[]) { blah(); return 0; } gcc -o foo foo.c nm foo | grep blah: 08048374 t blah

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• PHP OOP properity constant usage

  - by Misiur

  Hi there. I'm really new to OOP. I'm even not a newbie - I'm noob. So. I want to transfer my pseudo-CMS from "normal" programming, into OOP programming system. And so: private static $dsn = DB_TYPE.':host='.DB_HOST.';dbname='.DB_NAME; What here causes problem? Usage of constraints? I don't know. My editor (aptana studio) shows error after 1 constant. Thanks

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• Does Google App Engine allow creation of files and folders on the server ?

  - by Frank

  I know Google App Engine offers free space, but I wonder if it's for storing data in it's database only or does it also allow me to create files and directories on the server side to store my data ? For instance can I use the following method to save file ? public static void saveFile(String File_Path,StringBuffer Str_Buf,boolean Append) { FileOutputStream fos=null; BufferedOutputStream bos=null; try { fos=new FileOutputStream(File_Path,Append); bos=new BufferedOutputStream(fos); for (int j=0;j<Str_Buf.length();j++) bos.write(Str_Buf.charAt(j)); } catch (Exception e) { e.printStackTrace(); } finally { try { if (bos!=null) { bos.close(); bos=null; } if (fos!=null) { fos.close(); fos=null; } } catch (Exception ex) { ex.printStackTrace(); } } } Frank

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• LINQ: why does this query not work on an ArrayList?

  - by Benny

  public static ArrayList GetStudentAsArrayList() { ArrayList students = new ArrayList { new Student() { RollNumber = 1,Name ="Alex " , Section = 1 ,HostelNumber=1 }, new Student() { RollNumber = 2,Name ="Jonty " , Section = 2 ,HostelNumber=2 } }; return students; } The following code doesn't compile. The error is ArrayList is not IEnumerable ArrayList lstStudents = GetStudentAsArrayList(); var res = from r in lstStudents select r; This compiles: ArrayList lstStudents = GetStudentAsArrayList(); var res = from Student r in lstStudents select r; Can anybody explain what the difference is between these two snippets? Why the second works?

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• Problems with Tomcat server and JSP web application

  - by CitadelCSCadet

  I am running a JSP/Servlet Web application and out of nowhere we experienced some random problems that don't make any sense. I checked the catalina.out file to check the log files, and I noticed it contained some of the following messages SEVERE: Error starting static Resources java.lang.IllegalArgumentException: Invalid or unreadable WAR file : error in opening zip file INFO: validateJarFile(/home/weremo/appservers/ apache-tomcat-6.0.26/webapps /WMA/WEB-INF/lib/ servlet-api.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class I am aware of what this message means, but am in the dark as to what could have caused it, or what effects it could have on the application.

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• Grails searchable plugin

  - by Don

  Hi, In my Grails app, I'm using the Searchable plugin for searching/indexing. I want to write a Compass/Lucene query that involves multiple domain classes. Within that query when I want to refer to the id of a class, I can't simply use 'id' because all classes have an 'id' property. Currently, I work around this problem by adding the following property to a class Foo public Long getFooId() { return id } static transients = ['fooId'] Then when I want to refer to the id of Foo within a query I use 'fooId'. Is there a way I can provide an alias for a property in the searchable mapping rather than adding a property to the class?

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• Auto-hide JMenuBar

  - by PeterMmm

  When i run the code above the frame's menu bar come up when the mouse moves to the upper part of the window. The problem is when i open the menu but do not select any item and move out the mouse the menu bar get invisible but the items stay on screen. public class Test extends JFrame { public Test() { setLayout(new BorderLayout()); setSize(300, 300); JMenuBar mb = new JMenuBar(); setJMenuBar(mb); mb.setVisible(false); JMenu menu = new JMenu("File"); mb.add(menu); menu.add(new JMenuItem("Item-1")); menu.add(new JMenuItem("Item-2")); addMouseMotionListener(new MouseAdapter() { @Override public void mouseMoved(MouseEvent e) { getJMenuBar().setVisible(e.getY() < 50); } }); } public static void main(String args[]) { new Test().setVisible(true); } }

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• How can I capture multiple matches from the same Perl regex?

  - by Sho Minamimoto

  I'm trying to parse a single string and get multiple chunks of data out from the same string with the same regex conditions. I'm parsing a single HTML doc that is static (For an undisclosed reason, I can't use an HTML parser to do the job.) I have an expression that looks like: $string =~ /\<img\ssrc\="(.*)"/; and I want to get the value of $1. However, in the one string, there are many img tags like this, so I need something like an array returned (@1?) is this possible?

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• ListView in ArrayAdapter order get's mixed up when scrolling

  - by Dan B

  Hi, I have a ListView in a custom ArrayAdapter that displays an icon ImageView and a TextView in each row. When I make the list long enough to let you scroll through it, the order starts out right, but when I start to scroll down, some of the earlier entries start re-appearing. If I scroll back up, the old order changes. Doing this repeatedly eventually causes the entire list order to be seemingly random. So scrolling the list is either causing the child order to change, or the drawing is not refreshing correctly. What could cause something like this to happen? I need the order the items are displayed to the user to be the same order they are added to the ArrayList, or at LEAST to remain in one static order. If I need to provide more detailed information, please let me know. Any help is appreciated. Thanks.

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• Class declaration bug

  - by aladine

  Please advise me what's wrong with this class declaration: ExchEngine.java package engine; public class ExchEngine { public ExchEngine() { } public static void main(String[] args) { ExchEngine engine=new ExchEngine() ; } } When I compile this file, I always get exception: java.lang.NoClassDefFoundError: test_engine/ExchEngine Caused by: java.lang.ClassNotFoundException: test_engine.ExchEngine at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) Exception in thread "main" This seems very weird that ExchEngine.java is inside a package and it cannot run itself. Thanks for any help.

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• DataTable Delete Row and AcceptChanges

  - by Pang

  DataTable DT num type name =================================== 001 A Peter 002 A Sam 003 B John public static void fun1(ref DataTable DT, String TargetType) { for (int i = 0; i < DT.Rows.Count; i++) { string type = DT.Rows[i]["type"]; if (type == TargetType) { /**Do Something**/ DT.Rows[i].Delete(); } } DT.AcceptChanges(); } My function get specific data rows in datatable according to the TargetType and use their info to do something. After the datarow is read (match the target type), it will be deleted. However, the row is deleted immediately after .Delete() execute, so the location of the next row (by i) is incorrect. For example, if TargetType is A. When i=0, the "Peter" row is deleted after .Delete executed. Then when i=1, I suppose it will locate the "Sam" row but it actually located "John" row because "Peter" row is deleted. Is there any problem in my codes?

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• Hibernate Lazy init exception in spring scheduled job

  - by Noam Nevo

  I have a spring scheduled job (@Scheduled) that sends emails from my system according to a list of recipients in the DB. This method is annotated with the @Scheduled annotation and it invokes a method from another interface, the method in the interface is annotated with the @Transactional annotation. Now, when i invoke the scheduled method manually, it works perfectly. But when the method is invoked by spring scheduler i get the LazyInitFailed exception in the method implementing the said interface. What am I doing wrong? code: The scheduled method: @Component public class ScheduledReportsSender { public static final int MAX_RETIRES = 3; public static final long HALF_HOUR = 1000 * 60 * 30; @Autowired IScheduledReportDAO scheduledReportDAO; @Autowired IDataService dataService; @Autowired IErrorService errorService; @Scheduled(cron = "0 0 3 ? * *") // every day at 2:10AM public void runDailyReports() { // get all daily reports List<ScheduledReport> scheduledReports = scheduledReportDAO.getDaily(); sendScheduledReports(scheduledReports); } private void sendScheduledReports(List<ScheduledReport> scheduledReports) { if(scheduledReports.size()<1) { return; } //check if data flow ended its process by checking the report_last_updated table in dwh int reportTimeId = scheduledReportDAO.getReportTimeId(); String todayTimeId = DateUtils.getTimeid(DateUtils.getTodayDate()); int yesterdayTimeId = Integer.parseInt(DateUtils.addDaysSafe(todayTimeId, -1)); int counter = 0; //wait for time id to update from the daily flow while (reportTimeId != yesterdayTimeId && counter < MAX_RETIRES) { errorService.logException("Daily report sender, data not ready. Will try again in one hour.", null, null, null); try { Thread.sleep(HALF_HOUR); } catch (InterruptedException ignore) {} reportTimeId = scheduledReportDAO.getReportTimeId(); counter++; } if (counter == MAX_RETIRES) { MarketplaceServiceException mse = new MarketplaceServiceException(); mse.setMessage("Data flow not done for today, reports are not sent."); throw mse; } // get updated timeid updateTimeId(); for (ScheduledReport scheduledReport : scheduledReports) { dataService.generateScheduledReport(scheduledReport); } } } The Invoked interface: public interface IDataService { @Transactional public void generateScheduledReport(ScheduledReport scheduledReport); } The implementation (up to the line of the exception): @Service public class DataService implements IDataService { public void generateScheduledReport(ScheduledReport scheduledReport) { // if no recipients or no export type - return if(scheduledReport.getRecipients()==null || scheduledReport.getRecipients().size()==0 || scheduledReport.getExportType() == null) { return; } } } Stack trace: ERROR: 2012-09-01 03:30:00,365 [Scheduler-15] LazyInitializationException.<init>(42) | failed to lazily initialize a collection of role: com.x.model.scheduledReports.ScheduledReport.recipients, no session or session was closed org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: com.x.model.scheduledReports.ScheduledReport.recipients, no session or session was closed at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:383) at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:375) at org.hibernate.collection.AbstractPersistentCollection.readSize(AbstractPersistentCollection.java:122) at org.hibernate.collection.PersistentBag.size(PersistentBag.java:248) at com.x.service.DataService.generateScheduledReport(DataService.java:219) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202) at $Proxy208.generateScheduledReport(Unknown Source) at com.x.scheduledJobs.ScheduledReportsSender.sendScheduledReports(ScheduledReportsSender.java:85) at com.x.scheduledJobs.ScheduledReportsSender.runDailyReports(ScheduledReportsSender.java:38) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.springframework.util.MethodInvoker.invoke(MethodInvoker.java:273) at org.springframework.scheduling.support.MethodInvokingRunnable.run(MethodInvokingRunnable.java:65) at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:51) at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:81) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:165) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:636) ERROR: 2012-09-01 03:30:00,366 [Scheduler-15] MethodInvokingRunnable.run(68) | Invocation of method 'runDailyReports' on target class [class com.x.scheduledJobs.ScheduledReportsSender] failed org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: com.x.model.scheduledReports.ScheduledReport.recipients, no session or session was closed at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:383) at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:375) at org.hibernate.collection.AbstractPersistentCollection.readSize(AbstractPersistentCollection.java:122) at org.hibernate.collection.PersistentBag.size(PersistentBag.java:248) at com.x.service.DataService.generateScheduledReport(DataService.java:219) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202) at $Proxy208.generateScheduledReport(Unknown Source) at com.x.scheduledJobs.ScheduledReportsSender.sendScheduledReports(ScheduledReportsSender.java:85) at com.x.scheduledJobs.ScheduledReportsSender.runDailyReports(ScheduledReportsSender.java:38) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.springframework.util.MethodInvoker.invoke(MethodInvoker.java:273) at org.springframework.scheduling.support.MethodInvokingRunnable.run(MethodInvokingRunnable.java:65) at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:51) at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:81) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:165) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:636)

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• Why Does Adding a UDF or Code Truncates the # of Resources in List?

  - by Jeffrey McDaniel

  Go to the Primavera - Resource Assignment History subject area.  Go under Resources, General and add fields Resource Id, Resource Name and Current Flag. Because this is using a historical subject area with Type II slowly changing dimensions for Resources you may get multiple rows for each resource if there have been any changes on the resource.  You may see a few records with current flags = 0, and you will see a row with current flag = 1 for all resources. Current flag = 1 represents this is the most up to date row for this resource.  In this query the OBI server is only querying the W_RESOURCE_HD dimension.  (Query from nqquery log) select distinct 0 as c1,      D1.c1 as c2,      D1.c2 as c3,      D1.c3 as c4 from       (select distinct T10745.CURRENT_FLAG as c1,                T10745.RESOURCE_ID as c2,                T10745.RESOURCE_NAME as c3           from                 W_RESOURCE_HD T10745 /* Dim_W_RESOURCE_HD_Resource */            where  ( T10745.LAST_RUN_PER_DAY_FLAG = 1 )       ) D1 If you add a resource code to the query now it is forcing the OBI server to include data from W_RESOURCE_HD, W_CODES_RESOURCE_HD, as well as W_ASSIGNMENT_SPREAD_HF. Because the Resource and Resource Codes are in different dimensions they must be joined through a common fact table. So if at anytime you are pulling data from different dimensions it will ALWAYS pass through the fact table in that subject areas. One rule is if there is no fact value related to that dimensional data then nothing will show. In this case if you have a list of 100 resources when you query just Resource Id, Resource Name and Current Flag but when you add a Resource Code the list drops to 60 it could be because those resources exist at a dictionary level but are not assigned to any activities and therefore have no facts. As discussed in a previous blog, its all about the facts.   Here is a look at the query returned from the OBI server when trying to query Resource Id, Resource Name, Current Flag and a Resource Code.  You'll see in the query there is an actual fact included (AT_COMPLETION_UNITS) even though it is never returned when viewing the data through the Analysis. select distinct 0 as c1,      D1.c2 as c2,      D1.c3 as c3,      D1.c4 as c4,      D1.c5 as c5,      D1.c1 as c6 from       (select sum(T10754.AT_COMPLETION_UNITS) as c1,                T10706.CODE_VALUE_02 as c2,                T10745.CURRENT_FLAG as c3,                T10745.RESOURCE_ID as c4,                T10745.RESOURCE_NAME as c5           from                 W_RESOURCE_HD T10745 /* Dim_W_RESOURCE_HD_Resource */ ,                W_CODES_RESOURCE_HD T10706 /* Dim_W_CODES_RESOURCE_HD_Resource_Codes_HD */ ,                W_ASSIGNMENT_SPREAD_HF T10754 /* Fact_W_ASSIGNMENT_SPREAD_HF_Assignment_Spread */            where  ( T10706.RESOURCE_OBJECT_ID = T10754.RESOURCE_OBJECT_ID and T10706.LAST_RUN_PER_DAY_FLAG = 1 and T10745.ROW_WID = T10754.RESOURCE_WID and T10745.LAST_RUN_PER_DAY_FLAG = 1 and T10754.LAST_RUN_PER_DAY_FLAG = 1 )            group by T10706.CODE_VALUE_02, T10745.RESOURCE_ID, T10745.RESOURCE_NAME, T10745.CURRENT_FLAG      ) D1 order by c4, c5, c3, c2 When querying in any subject area and you cross different dimensions, especially Type II slowly changing dimensions, if the result set appears to be short the first place to look is to see if that object has associated facts.

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