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• "Row not found or changed" Problem

  - by winston schröder

  Hi there, I'm working on a SQL CE Database and get into the "Row nor found or changed" exception. The exception only occurs when I try to update. On the first Run after the insert it shows up a MemberChangeConflict which says, that my Column Created_at has in all three values (current, original, database) the same. But in a second attempt it doesn't appear anymore. The DataContext is instanciated on Startup and freed on Exit of my Local(!) Application. I use a sqlmetal generated mapping and code file. In the map I added some Associations and set the timemstamp columns UpdateCheck property to Always while all other have the setting never. The Timestamp Column is marked as isVersion="true", the Id Column as Primary Key. Since I don't dispose the datacontext I expected to be using implicit transaction. When I run the SubmitChanges Method within a TransactionScope. Can anyone tell me how I can update the timestamp within the code ? I know about the Problems one has to deal with if you dispose the datacontext. So I decided not to do this since I use a Single User Local DB Cache File. (I did already use a version where I disposed the datacontext after every usage, but this version had a real bad performance and error rate, so I decided to choose the other variant.) LibDB.Client.Vehicles tmp = null; try { tmp = e.Parameter as LibDB.Client.Vehicles; if (tmp == null) return; if (!this._dc.Vehicles.Contains(tmp)) { this._dc.Vehicles.Attach(tmp); } this.ShowChangesReport(this._dc.GetChangeSet()); using (TransactionScope ts = new TransactionScope()) { try { this._dc.SubmitChanges(); ts.Complete(); } catch (ChangeConflictException cce) { Console.WriteLine("Optimistic concurrency error."); Console.WriteLine(cce.Message); Console.ReadLine(); foreach (ObjectChangeConflict occ in this._dc.ChangeConflicts) { MetaTable metatable = this._dc.Mapping.GetTable(occ.Object.GetType()); LibDB.Client.Vehicles entityInConflict = (LibDB.Client.Vehicles)occ.Object; Console.WriteLine("Table name: {0}", metatable.TableName); Console.Write("Vin: "); Console.WriteLine(entityInConflict.Vin); foreach (MemberChangeConflict mcc in occ.MemberConflicts) { object currVal = mcc.CurrentValue; object origVal = mcc.OriginalValue; object databaseVal = mcc.DatabaseValue; MemberInfo mi = mcc.Member; Console.WriteLine("Member: {0}", mi.Name); Console.WriteLine("current value: {0}", currVal); Console.WriteLine("original value: {0}", origVal); Console.WriteLine("database value: {0}", databaseVal); } throw cce; } } catch (Exception ex) { this.ShowChangeConflicts(this._dc.ChangeConflicts); Console.WriteLine(ex.Message); } } this.ShowChangesReport(this._dc.GetChangeSet());

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• JPA IndirectSet changes not reflected in Spring frontend

  - by Jon

  I'm having an issue with Spring JPA and IndirectSets. I have two entities, Parent and Child, defined below. I have a Spring form in which I'm trying to create a new Child and link it to an existing Parent, then have everything reflected in the database and in the web interface. What's happening is that it gets put into the database, but the UI doesn't seem to agree. The two entities that are linked to each other in a OneToMany relationship like so: @Entity @Table(name = "parent", catalog = "myschema", uniqueConstraints = @UniqueConstraint(columnNames = "ChildLinkID")) public class Parent { private Integer id; private String childLinkID; private Set<Child> children = new HashSet<Child>(0); @Id @GeneratedValue(strategy = IDENTITY) @Column(name = "id", unique = true, nullable = false) public Integer getId() { return this.id; } public void setId(Integer id) { this.id = id; } @Column(name = "ChildLinkID", unique = true, nullable = false, length = 6) public String getChildLinkID() { return this.childLinkID; } public void setChildLinkID(String childLinkID) { this.childLinkID = childLinkID; } @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY, mappedBy = "parent") public Set<Child> getChildren() { return this.children; } public void setChildren(Set<Child> children) { this.children = children; } } @Entity @Table(name = "child", catalog = "myschema") public class Child extends private Integer id; private Parent parent; @Id @GeneratedValue(strategy = IDENTITY) @Column(name = "id", unique = true, nullable = false) public Integer getId() { return this.id; } public void setId(Integer id) { this.id = id; } @ManyToOne(fetch = FetchType.LAZY) @JoinColumn(name = "ChildLinkID", referencedColumnName = "ChildLinkID", nullable = false) public Parent getParent() { return this.parent; } public void setParent(Parent parent) { this.parent = parent; } } And of course, assorted simple properties on each of them. Now, the problem is that when I edit those simple properties from my Spring interface, everything works beautifully. I can persist new entities of these types and they'll appear when using the JPATemplate to do a find on, say, all Parents (getJpaTemplate().find("select p from Parent p")) or on individual entities by ID or another property. The problem I'm running into is that now, I'm trying to create a new Child linked to an existing Parent through a link from the Parent's page. Here's the important bits of the Controller (note that I've placed the JPA foo in the controller here to make it clearer; the actual JpaDaoSupport is actually in another class, appropriately tiered): protected Object formBackingObject(HttpServletRequest request) throws Exception { String parentArg = request.getParameter("parent"); int parentId = Integer.parseInt(parentArg); Parent parent = getJpaTemplate().find(Parent.class, parentId); Child child = new Child(); child.setParent(parent); NewChildCommand command = new NewChildCommand(); command.setChild(child); return command; } protected ModelAndView onSubmit(Object cmd) throws Exception { NewChildCommand command = (NewChildCommand)cmd; Child child = command.getChild(); child.getParent().getChildren().add(child); getJpaTemplate().merge(child); return new ModelAndView(new RedirectView(getSuccessView())); } Like I said, I can run through the form and fill in the new values for the Child -- the Parent's details aren't even displayed. When it gets back to the controller, it goes through and saves it to the underlying database, but the interface never reflects it. Once I restart the app, it's all there and populated appropriately. What can I do to clear this up? I've tried to call extra merges, tried refreshes (which gave a transaction exception), everything short of just writing my own database access code. I've made sure that every class has an appropriate equals() and hashCode(), have full JPA debugging on to see that it's making appropriate SQL calls (it doesn't seem to make any new calls to the Child table) and stepped through in the debugger (it's all in IndirectSets, as expected, and between saving and displaying the Parent the object takes on a new memory address). What's my next step?

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• Trouble displaying an object in WPF

  - by Scott

  I'm so new to this that I can't even phrase the question right... Anyway, I'm trying to do something very simple and have been unable to figure it out. I have the following class: public class Day : Control, INotifyPropertyChanged { public static readonly DependencyProperty DateProperty = DependencyProperty.Register("Date", typeof(int), typeof(Day)); public int Date { get { return (int)GetValue(DateProperty); } set { SetValue(DateProperty, value); if (PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs("Date")); } } } public static readonly DependencyProperty DayNameProperty = DependencyProperty.Register("DayName", typeof(String), typeof(Day)); public String DayName { get { return (String)GetValue(DayNameProperty); } set { SetValue(DayNameProperty, value); if (PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs("DayName")); } } } static Day() { DefaultStyleKeyProperty.OverrideMetadata(typeof(Day), new FrameworkPropertyMetadata(typeof(Day))); } #region INotifyPropertyChanged Members public event PropertyChangedEventHandler PropertyChanged; #endregion } I've learned that you can't call a constructor that has parameters in XAML so the only way to actually set some data for this class is through the two properties, DayName and Date. I created a ControlTemplate for Day which is as follows: <Style TargetType="{x:Type con:Day}"> <Setter Property="MinHeight" Value="20"/> <Setter Property="MinWidth" Value="80"/> <Setter Property="Height" Value="20"/> <Setter Property="Width" Value="80"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type con:Day}"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition/> <ColumnDefinition/> </Grid.ColumnDefinitions> <Rectangle Grid.ColumnSpan="2" x:Name="rectHasEntry" Fill="WhiteSmoke"/> <TextBlock Grid.Column="0" x:Name="textBlockDayName" Text="{TemplateBinding DayName}" FontFamily="Junction" FontSize="11" Background="Transparent" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="0,2,0,0"/> <TextBlock Grid.Column="1" x:Name="textBlockDate" Text="{TemplateBinding Date}" FontFamily="Junction" FontSize="11" Background="Transparent" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="0,2,0,0"/> <Rectangle Grid.ColumnSpan="2" x:Name="rectMouseOver" Fill="#A2C0DA" Opacity="0" Style="{StaticResource DayRectangleMouseOverStyle}"/> </Grid> </ControlTemplate> </Setter.Value> </Setter> </Style> I then render it on screen in my MainWindow thusly: <Window x:Class="WPFControlLibrary.TestHarness.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:con="clr-namespace:WPFControlLibrary.Calendar;assembly=WPFControlLibrary" Title="MainWindow" Height="500" Width="525" WindowStartupLocation="CenterScreen"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="*"/> <ColumnDefinition Width="80"/> </Grid.ColumnDefinitions> <con:Day Grid.Column="1" Height="20" Width="80" DayName="Mon" Date="1"/> </Grid> And what I actually see is, well, nothing. If I put my cursor on the con:Day line of the XAML it'll highlight the correctly sized rectangle in the window but I don't see "Mon" on the left side of the rectangle and "1" on the right. What am I doing wrong? I suspect it's something simple but I'll be darned if I'm seeing it. My ultimate goal is to group a bunch of the Day controls within a Month control, which is then contained in a Year control as I'm trying to make a long Calendar Bar that lets you navigate through the months and years, while clicking on a Day would display any information saved on that date. But I can't even get the Day part to display independent of anything else so I'm a long way from the rest of the functionality. Any help would be greatly appreciated.

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• Saving child collections with NHibernate

  - by Ben

  Hi, I am in the process or learning NHibernate so bare with me. I have an Order class and a Transaction class. Order has a one to many association with transaction. The transaction table in my database has a not null constraint on the OrderId foreign key. Order class: public class Order { public virtual Guid Id { get; set; } public virtual DateTime CreatedOn { get; set; } public virtual decimal Total { get; set; } public virtual ICollection<Transaction> Transactions { get; set; } public Order() { Transactions = new HashSet<Transaction>(); } } Order Mapping: <class name="Order" table="Orders"> <cache usage="read-write"/> <id name="Id"> <generator class="guid"/> </id> <property name="CreatedOn" type="datetime"/> <property name="Total" type="decimal"/> <set name="Transactions" table="Transactions" lazy="false" inverse="true"> <key column="OrderId"/> <one-to-many class="Transaction"/> </set> Transaction Class: public class Transaction { public virtual Guid Id { get; set; } public virtual DateTime ExecutedOn { get; set; } public virtual bool Success { get; set; } public virtual Order Order { get; set; } } Transaction Mapping: <class name="Transaction" table="Transactions"> <cache usage="read-write"/> <id name="Id" column="Id" type="Guid"> <generator class="guid"/> </id> <property name="ExecutedOn" type="datetime"/> <property name="Success" type="bool"/> <many-to-one name="Order" class="Order" column="OrderId" not-null="true"/> Really I don't want a bidirectional association. There is no need for my transaction objects to reference their order object directly (I just need to access the transactions of an order). However, I had to add this so that Order.Transactions is persisted to the database: Repository: public void Update(Order entity) { using (ISession session = NHibernateHelper.OpenSession()) { using (ITransaction transaction = session.BeginTransaction()) { session.Update(entity); foreach (var tx in entity.Transactions) { tx.Order = entity; session.SaveOrUpdate(tx); } transaction.Commit(); } } } My problem is that this will then issue an update for every transaction on the order collection (regardless of whether it has changed or not). What I was trying to get around was having to explicitly save the transaction before saving the order and instead just add the transactions to the order and then save the order: public void Can_add_transaction_to_existing_order() { var orderRepo = new OrderRepository(); var order = orderRepo.GetById(new Guid("aa3b5d04-c5c8-4ad9-9b3e-9ce73e488a9f")); Transaction tx = new Transaction(); tx.ExecutedOn = DateTime.Now; tx.Success = true; order.Transactions.Add(tx); orderRepo.Update(order); } Although I have found quite a few articles covering the set up of a one-to-many association, most of these discuss retrieving of data and not persisting back. Many thanks, Ben

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• Detecting Acceleration in a car (iPhone Accelerometer)

  - by TheGazzardian

  Hello, I am working on an iPhone app where we are trying to calculate the acceleration of a moving car. Similar apps have accomplished this (Dynolicious), but the difference is that this app is designed to be used during general city driving, not on a drag strip. This leads us to one big concern that Dynolicious was luckily able to avoid: hills. Yes, hills. There are two important stages to this: calibration, and actual driving. Our initial run was simple and suffered the consequences. During the calibration stage, I took the average force on the phone, and during running, I just subtracted the average force from the current force to get the current acceleration this frame. The problem with this is that the typical car receives much more force than just the forward force - everything from turning to potholes was causing the values to go out of sync with what was really happening. The next run was to add the condition that the iPhone must be oriented in such a way that the screen was facing toward the back of the car. Using this method, I attempted to follow only force on the z-axis, but this obviously lead to problems unless the iPhone was oriented directly upright, because of gravity. Some trigonometry later, and I had managed to work gravity out of the equation, so that the car was actually being read very, very well by the iPhone. Until I hit a slope. As soon as the angle of the car changed, suddenly I was receiving accelerations and decelerations that didn't make sense, and we were once again going out of sync. Talking with someone a lot smarter than me at math lead to a solution that I have been trying to implement for longer than I would like to admit. It's steps are as follows: 1) During calibration, measure gravity as a vector instead of a size. Store that vector. 2) When the car initially moves forward, take the vector of motion and subtract gravity. Use this as the forward momentum. (Ignore, for now, the user cases where this will be difficult and let's concentrate on the math :) 3) From the forward vector and the gravity vector, construct a plane. 4) Whenever a force is received, project it onto said plane to get rid of sideways force/etc. 5) Then, use that force, the known magnitude of gravity, and the known direction of forward motion to essentially solve a triangle to get the forward vector. The problem that is causing the most difficulty in this new system is not step 5, which I have gotten to the point where all the numbers look as they should. The difficult part is actually the detection of the forward vector. I am selecting vectors whose magnitude exceeds gravity, and from there, averaging them and subtracting gravity. (I am doing some error checking to make sure that I am not using a force just because the iPhone accelerometer was off by a bit, which happens more frequently than I would like). But if I plot these vectors that I am using, they actually vary by an angle of about 20-30 degrees, which can lead to some strong inaccuracies. The end result is that the app is even more inaccurate now than before. So basically - all you math and iPhone brains out there - any glaring errors? Any potentially better solutions? Any experience that could be useful at all? Award: offering a bounty of $250 to the first answer that leads to a solution.

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• Error when opening .tar.gz via Shell to install Apache Maven

  - by adamsquared

  Thank you in advance for the help. My Goal: To install apache maven per its websites instructions (http://maven.apache.org/download.html), in order to install the JUNG package according to its install instructions (http://sourceforge.net/apps/trac/jung/wiki/JUNGManual), so I can use the JUNG classes in various Java GUIs. The Problem: I get an error message when I try to extract the apache-maven .gz (install?) file in shell. Background: I'm trying to install the JUNG (http://jung.sourceforge.net/index.html) package to my system's Java, so I can write object-oriented code using various GUIs (Ecliplse, Dr. Java) using the classes in JUNG. I don't understand how the building/installing process works, and how I can get what I build/install to work on various GUIs and the command line. I'm new to shell and the command line, and mostly have experience using a simple IDE (DrJava, Python IDLE, R GUI) to write and compile object-oriented code. Machine: Mac OSX 10.5.8 32-bit. The Instructions: For the maven building Extract the distribution archive, i.e. apache-maven-3.0.4-bin.tar.gz to the directory you wish to install Maven 3.0.4. These instructions assume you chose /usr/local/apache-maven. The subdirectory apache-maven-3.0.4 will be created from the archive. ... for the JUNG installation Appendix: How to Build JUNG This is a brief intro to building JUNG jars with maven2 (the build system that JUNG currently uses). First, ensure that you have a JDK of at least version 1.5: JUNG 2.0+ requires Java 1.5+. Ensure that your JAVA_HOME variable is set to the location of the JDK. On a Windows platform, you may have a separate JRE (Java Runtime Environment) and JDK (Java Development Kit). The JRE has no capability to compile Java source files, so you must have a JDK installed. If your JAVA_HOME variable is set to the location of the JRE, and not the location of the JDK, you will be unable to compile. Get Maven Download and install maven2 from maven.apache.org: http://maven.apache.org/download.html At time of writing (early December 2009), the latest version was maven-2.2.1. Install the downloaded maven2 (there are installation instructions on the Maven website). Follow the installation instructions and confirm a successful installation by typing 'mvn --version' in a command terminal window. Get JUNG ... What I Did: I downloaded the file apache-maven-2.2.1-bin.tar.gz. The JUNG website specified to use apache maven 2. I wanted to stick to the recommended installation instructions, but I couldn't get to /usr on my GUI (i've noticed you click on the MacHD symbol on the desktop its missing several directories/folders that you can see using the shell using the ls command at root directory I couldn't find a way to access the file using my mac GUI. Therefore, I used the shell to navigate to the root directory and then to /usr/local, and used the mkdir command to make the directory apache-maven and entered it. I then moved the file using the mv command. Next I tried extracting the file using tar -zxvf apache-maven-2.2.1-bin.tar.gz. The Error Message: tar: apache-maven-2.2.1/direcoryandfile: Cannot open: No such file or directory ... apache-maven-2.2.1/lib/ext: Cannot mkdir: No such file or directory apache-maven-2.2.1/lib/ext/README.txt tar: apache-maven-2.2.1/lib/ext/README.txt: Cannot open: No such file or directory tar: Error exit delayed from previous errors From what I can tell the archive file is missing some directories or something. I tried deleting the file, redownloading the .tar.gz file from a different mirror and repeating the process. Same result. Thanks again for the help

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• WPF items not visible when grouping is applied

  - by Tri Q

  Hi, I'm having this strange issue with my ItemsControl grouping. I have the following setup: <ItemsControl Margin="3" ItemsSource="{Binding Communications.View}" > <ItemsControl.GroupStyle> <GroupStyle> <GroupStyle.ContainerStyle> <Style TargetType="{x:Type GroupItem}"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type GroupItem}"> <Expander> <Expander.Header> <Grid> <Grid.ColumnDefinitions > <ColumnDefinition Width="*" /> <ColumnDefinition Width="Auto" /> </Grid.ColumnDefinitions> <TextBlock Text="{Binding ItemCount, StringFormat='{}[{0}] '}" FontWeight="Bold" /> <TextBlock Grid.Column="1" Text="{Binding Name, Converter={StaticResource GroupingFormatter}, StringFormat='{}Subject: {0}'}" FontWeight="Bold" /> </Grid> </Expander.Header> <ItemsPresenter /> </Expander> </ControlTemplate> </Setter.Value> </Setter> </Style> </GroupStyle.ContainerStyle> </GroupStyle> </ItemsControl.GroupStyle> <ItemsControl.ItemTemplate> <DataTemplate> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto" /> <ColumnDefinition Width="*" /> <ColumnDefinition Width="Auto" /> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition /> <RowDefinition /> </Grid.RowDefinitions> <TextBlock FontWeight="Bold" Text="{Binding Inspector, Converter={StaticResource NameFormatter}, StringFormat='{}From {0}:'}" Margin="3" /> <TextBlock Text="{Binding SentDate, StringFormat='{}{0:dd/MM/yy}'}" Grid.Row="1" Margin="3"/> <TextBlock Text="{Binding Message }" Grid.Column="1" Grid.RowSpan="2" Margin="3"/> <Button Command="vm:CommunicationViewModel.DeleteMessageCommand" CommandParameter="{Binding}" HorizontalAlignment="Right" Grid.Column="2">Delete</Button> </Grid> </DataTemplate> </ItemsControl.ItemTemplate> </ItemsControl> In my ViewModel, I expose a CollectionViewSource named 'Communications'. I proceed to adding a grouping patter like so: Communications.GroupDescriptions.Add(new PropertyGroupDescription("Subject")); Now, the problem i'm experience is the grouping work fine, but I can't see any items inside the groups. What am I doing wrong? Any pointers would be much appreciated.

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• Formatting Telerik Chart and Legend Labels in Silverlight

  - by Bryan

  I am trying to format a column called 'Month' using the 3-character month abbreviation in my data grid which is bound to a bar chart. My grid and chart are based on this demo example: http://demos.telerik.com/silverlight/#Chart/Aggregates. Basically, the grid compiles data and summarizes by Year, Quarter, Month, and then some other categories as well. For the Month column, I tried two different methods (for sorting purposes, I have to use an integer or some date value for the month). First, I just made Month an integer field and then used a converter mapped in the xaml for the 'Month' field to display 'JAN', 'FEB', etc. This worked fine for the grid, but the chart would display 1, 2, etc. instead of the month abbreviation. I researched this and was not able to come up with a solution to map the converter to the chart. So, I tried making the Month field a datetime and then set the value to 1/1/1900, 2/1/1900, etc. and specified the format of the field to 'MMM' in the xaml for the grid. I then used the following statement to set the the format in the chart when the user grouped by month: SalesAnalysisChart.DefaultView.ChartArea.AxisX.DefaultLabelFormat = "MMM"; This partially worked in that when the months were displayed across the x-axis they were labeled properly, but not when they appeared in the legend (the user, of course, can group by any of the columns which may or may not include month). I've tried setting LegendItemLabelFormat, ItemLabelFormat, etc. but without success. I'm not sure of the element on which to set the property. I only need to change the default format for just the Month column - all other columns should display normally when grouped. I also came across a class called 'LegendItemFormatConverter' which looks promising but I can't find any examples as to how to implement it. I would actually prefer the converter method because the converter I wrote displays the month abbreviation in all caps, whereas the 'MMM' format displays in upper/lower case. Here is the converter code that I originally used for the grid: using System; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Ink; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Shapes; using System.Windows.Data; namespace ApolloSL { public class MonthConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { if (value != null) { DateTime date = new DateTime(1900, (Int32)value, 1); return date.ToString("MMM").ToUpper(); } else { return ""; } } public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { return value.ToString(); } } } Please help... Thanks in advance for your assistance, Bryan

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• Matrix Multiplication with Threads: Why is it not faster?

  - by prelic

  Hey all, So I've been playing around with pthreads, specifically trying to calculate the product of two matrices. My code is extremely messy because it was just supposed to be a quick little fun project for myself, but the thread theory I used was very similar to: #include <pthread.h> #include <stdio.h> #include <stdlib.h> #define M 3 #define K 2 #define N 3 #define NUM_THREADS 10 int A [M][K] = { {1,4}, {2,5}, {3,6} }; int B [K][N] = { {8,7,6}, {5,4,3} }; int C [M][N]; struct v { int i; /* row */ int j; /* column */ }; void *runner(void *param); /* the thread */ int main(int argc, char *argv[]) { int i,j, count = 0; for(i = 0; i < M; i++) { for(j = 0; j < N; j++) { //Assign a row and column for each thread struct v *data = (struct v *) malloc(sizeof(struct v)); data->i = i; data->j = j; /* Now create the thread passing it data as a parameter */ pthread_t tid; //Thread ID pthread_attr_t attr; //Set of thread attributes //Get the default attributes pthread_attr_init(&attr); //Create the thread pthread_create(&tid,&attr,runner,data); //Make sure the parent waits for all thread to complete pthread_join(tid, NULL); count++; } } //Print out the resulting matrix for(i = 0; i < M; i++) { for(j = 0; j < N; j++) { printf("%d ", C[i][j]); } printf("\n"); } } //The thread will begin control in this function void *runner(void *param) { struct v *data = param; // the structure that holds our data int n, sum = 0; //the counter and sum //Row multiplied by column for(n = 0; n< K; n++){ sum += A[data->i][n] * B[n][data->j]; } //assign the sum to its coordinate C[data->i][data->j] = sum; //Exit the thread pthread_exit(0); } source: http://macboypro.com/blog/2009/06/29/matrix-multiplication-in-c-using-pthreads-on-linux/ For the non-threaded version, I used the same setup (3 2-d matrices, dynamically allocated structs to hold r/c), and added a timer. First trials indicated that the non-threaded version was faster. My first thought was that the dimensions were too small to notice a difference, and it was taking longer to create the threads. So I upped the dimensions to about 50x50, randomly filled, and ran it, and I'm still not seeing any performance upgrade with the threaded version. What am I missing here?

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• Vertical text inside table headers using a JavaScript-based SVG library

  - by Oleg

  I use jqGrid with many columns containing boolean information, which are displayed as checkboxes inside the table (see http://www.ok-soft-gmbh.com/VerticalHeaders/TestFixedO.htm as an example). To display information more compactly I use vertical column headers. It works very well and works in jqGrid in all browsers (see my discussion with Tony Tomov in jqGrid forum http://www.trirand.com/blog/?page_id=393/feature-request/headers-with-vertical-orientation/), but in IE vertical text is blurred and doesn't look nice enough (open the link above in IE and you will see exactly what I mean). I was asked from users why the text displayed so strangely. So I'm thinking of using a JavaScript-based SVG library like SVG Web ( http://code.google.com/p/svgweb/ ) or Raphaël ( http://raphaeljs.com/ ). SVG is very powerful and it is difficult to find a good example. I need only to display vertical text (-90 grad, from the bottom up) and use if possible without working in mode of absolute positioning. So one more time my question: I need to have a possibility to display vertical text (-90 grad rotation) inside <td> elements of a table header. I want to use a JavaScript-based SVG library like SVG Web or Raphaël. The solution must support IE6. Does anybody have a good reference example which could help me do this? If somebody posts a whole solution of the problem I would be happy. To be exact here is my current solution: I define .rotate { -webkit-transform: rotate(-90deg); /* Safari 3.1+, Chrome */ -moz-transform: rotate(-90deg); /* Firefox 3.5+ */ -o-transform: rotate(-90deg); /* Opera starting with 10.50 */ /* Internet Explorer: */ filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=3); /* IE6, IE7 */ -ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=3)" /* IE8 */; } define RotateCheckboxColumnHeaders function var RotateCheckboxColumnHeaders = function (grid, headerHeight) { // we use grid as context (if one have more as one table on tnhe page) var trHead = $("thead:first tr", grid.hdiv); var cm = grid.getGridParam("colModel"); $("thead:first tr th").height(headerHeight); headerHeight = $("thead:first tr th").height(); for (var iCol = 0; iCol < cm.length; iCol++) { var cmi = cm[iCol]; if (cmi.formatter === 'checkbox') { // we must set width of column header div BEFOR adding class "rotate" to // prevent text cutting based on the current column width var headDiv = $("th:eq(" + iCol + ") div", trHead); headDiv.width(headerHeight).addClass("rotate"); if (!$.browser.msie) { if ($.browser.mozilla) { headDiv.css("left", (cmi.width - headerHeight) / 2 + 3).css("bottom", 7); } else { headDiv.css("left", (cmi.width - headerHeight) / 2); } } else { var ieVer = jQuery.browser.version.substr(0, 3); // Internet Explorer if (ieVer !== "6.0" && ieVer !== "7.0") { headDiv.css("left", cmi.width / 2 - 4).css("bottom", headerHeight / 2); $("span", headDiv).css("left", 0); } else { headDiv.css("left", 3); } } } } }; And include a call like RotateCheckboxColumnHeaders(grid, 110); after creating jqGrid.

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• Hibernate - H2 db -- Could not parse mapping document from resource

  - by user1849757

  * Each of below files are in same location * Error : SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: Defaulting to no-operation (NOP) logger implementation SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details. org.hibernate.InvalidMappingException: Could not parse mapping document from resource ./employee.hbm.xml at org.hibernate.cfg.Configuration.addResource(Configuration.java:616) at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1635) at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1603) at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1582) at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1556) at org.hibernate.cfg.Configuration.configure(Configuration.java:1476) at org.hibernate.cfg.Configuration.configure(Configuration.java:1462) at com.yahoo.hibernatelearning.FirstExample.main(FirstExample.java:19) Caused by: org.hibernate.InvalidMappingException: Could not parse mapping document from input stream at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:555) at org.hibernate.cfg.Configuration.addResource(Configuration.java:613) ... 7 more Caused by: org.dom4j.DocumentException: http://hibernate.sourceforge.net/%0Ahibernate-mapping-3.0.dtd Nested exception: http://hibernate.sourceforge.net/%0Ahibernate-mapping-3.0.dtd at org.dom4j.io.SAXReader.read(SAXReader.java:484) at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:546) ... 8 more Exception in thread "main" java.lang.NullPointerException at com.yahoo.hibernatelearning.FirstExample.main(FirstExample.java:33) Hibernate Config: hibernate.cfg.xml <?xml version='1.0' encoding='utf-8'?> <!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD//EN" "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"> <hibernate-configuration> <session-factory> <property name="hibernate.connection.driver_class">org.h2.Driver</property> <property name="hibernate.connection.url">jdbc:h2:./db/repository</property> <property name="hibernate.connection.username">sa</property> <property name="hibernate.connection.password"></property> <property name="hibernate.default_schema">PUBLIC</property> <property name="hibernate.dialect">org.hibernate.dialect.H2Dialect</property> <property name="hibernate.show_sql">true</property> <property name="hibernate.hbm2ddl.auto">update</property> <!-- Mapping files --> <mapping resource="./employee.hbm.xml"/> </session-factory> </hibernate-configuration> Mapping Config: employee.hbm.xml <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/ hibernate-mapping-3.0.dtd"> <hibernate-mapping> <class name="com.yahoo.hibernatelearning.Employee" table="employee"> <id name="empId" type="int" column="emp_id" > <generator class="native"/> </id> <property name="empName"> <column name="emp_name" /> </property> <property name="empSal"> <column name="emp_sal" /> </property> </class> </hibernate-mapping>

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• java.sql.SQLException: No suitable driver found for jdbc:db2:

  - by Celia

  Im using hibernate to connect to my DB2 database. I got java.sql.SQLException: No suitable driver found for jdbc:db2://ldild4268.mycompany.com:55000/myDB. I have db2jcc.jar, db2jcc_javax.jar, db2jcc_license_cu.jar, db2policy.jar, db2ggjava.jar and db2umplugin.jar added into my Java Build Path. I am able to connect to my database through SQuirrel. database.properties: jdbc.driverClassName=com.ibm.db2.jcc.DB2Driver jdbc.url=jdbc:db2://ldild4268.mycompany.com:55000/myDB jdbc.username=uname jdbc.password=pwd datasource.xml: <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="location"> <value>/WEB-INF/database.properties</value> </property> </bean> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="${jdbc.driverClassName}" /> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> </bean> hibernate.xml: <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="dataSource"> <ref bean="dataSource" /> </property> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect">org.hibernate.dialect.DB2Dialect</prop> <prop key="hibernate.show_sql">true</prop> </props> </property> <property name="mappingResources"> <list> <value>/myModel.hbm.xml</value> </list> </property> </bean> myModel.hbm.xml: <hibernate-mapping> <class name="com.myCompany.model.myModel" table="table1" catalog=""> <composite-id> <key-property name="key1" column="key1" length="10"/> <key-property name="key2" column="key2" length="19"/> </composite-id> <property name="name" type="string"> <column name="Name" length="50"/> </property> </class> </hibernate-mapping> myModelDaoImpl: @Repository("myModelDao") public class myModelDaoImpl extends PortfolioHibernateDaoSupport implements myModelDao{ private SessionFactory sessionFactory; public List<Date> getKey1() { return this.sessionFactory.getCurrentSession() .createQuery("select pn.key1 from com.myCompany.model.myModel pn") .list(); } public String getPs() { String query = "select pn.name from com.myCompany.model.myModel pn where pn.key1='2011-09-30' and pn.key2=1049764"; List list = getHibernateTemplate().find(query); } } also, the method getKey1 throws nullPointer exception. How can I use createquery instead of hibernateTemplate? Thanks in advance!

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• Foreign key not stored in child entity (one-to-many)

  - by Kamil Los

  Hi, I'm quite new to hibernate and have stumbled on this problem, which I can't find solution for. When persisting parent object (with one-to-many relationship with child), the foreign-key to this parent is not stored in child's table. My classes: Parent.java @javax.persistence.Table(name = "PARENT") @Entity public class PARENT { private Integer id; @javax.persistence.Column(name = "ID") @Id @GeneratedValue(strategy=GenerationType.AUTO) public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } private Collection<Child> children; @OneToMany(mappedBy = "parent", fetch = FetchType.EAGER, cascade = {CascadeType.ALL}) @Cascade({org.hibernate.annotations.CascadeType.ALL}) public Collection<Child> getChildren() { return children; } public void setChildren(Collection<Child> children) { this.children = children; } } Child.java @javax.persistence.Table(name = "CHILD") @Entity @IdClass(Child.ChildId.class) public class Child { private String childId1; @Id public String getChildId1() { return childId1; } public void setChildId1(String childId1) { this.childId1 = childId1; } private String childId2; @Id public String getChildId2() { return childId2; } public void setChildId2(String childId2) { this.childId2 = childId2; } private Parent parent; @ManyToOne @javax.persistence.JoinColumn(name = "PARENT_ID", referencedColumnName = "ID") public Parent getParent() { return parent; } public void setParent(Operation parent) { this.parent = parent; } public static class ChildId implements Serializable { private String childId1; @javax.persistence.Column(name = "CHILD_ID1") public String getChildId1() { return childId1; } public void setChildId1(String childId1) { this.childId1 = childId1; } private String childId2; @javax.persistence.Column(name = "CHIILD_ID2") public String getChildId2() { return childId2; } public void setChildId2(String childId2) { this.childId2 = childId2; } public ChildId() { } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; ChildId that = (ChildId) o; if (childId1 != null ? !childId1.equals(that.childId1) : that.childId1 != null) return false; if (childId2 != null ? !childId2.equals(that.childId2) : that.childId2 != null) return false; return true; } @Override public int hashCode() { int result = childId1 != null ? childId1.hashCode() : 0; result = 31 * result + (childId2 != null ? childId2.hashCode() : 0); return result; } } } Test.java public class Test() { private ParentDao parentDao; public void setParentDao(ParentDao parentDao) { this.parentDao = parentDao; } private ChildDao childDao; public void setChildDao(ChildDao childDao) { this.childDao = parentDao; } test1() { Parent parent = new Parent(); Child child = new Child(); child.setChildId1("a"); child.setChildId2("b"); ArrayList<Child> children = new ArrayList<Child>(); children.add(child); parent.setChildren(children); parent.setValue("value"); parentDao.save(parent); //calls hibernate's currentSession.saveOrUpdate(entity) } test2() { Parent parent = new Parent(); parent.setValue("value"); parentDao.save(parent); //calls hibernate's currentSession.saveOrUpdate(entity) Child child = new Child(); child.setChildId1("a"); child.setChildId2("b"); child.setParent(parent); childDao.save(); //calls hibernate's currentSession.saveOrUpdate(entity) } } When calling test1(), both entities get written to database, but field PARENT_ID in CHILD table stays empty. The only workaround I have so far is test2() - persisting parent first, and then the child. My goal is to persist parent and its children in one call to save() on Parent. Any ideas?

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• backgroundworker+wpf -> frozen window

  - by Valetudox

  -progressbar always 0% -the window is froozen (while DoWork r.) -if System.threading.thread.sleep(1) on - works perfectly whats the problem? private void btnNext_Click(object sender, RoutedEventArgs e) { this._worker = new BackgroundWorker(); this._worker.DoWork += delegate(object s, DoWorkEventArgs args) { long current = 1; long max = generalMaxSzam(); for (int i = 1; i <= 30; i++) { for (int j = i+1; j <= 30; j++) { for (int c = j+1; c <= 30; c++) { for (int h = c+1; h <= 30; h++) { for (int d = h+1; d <= 30; d++) { int percent = Convert.ToInt32(((decimal)current / (decimal)max) * 100); this._worker.ReportProgress(percent); current++; //System.Threading.Thread.Sleep(1); - it works well } } } } } }; this._worker.WorkerReportsProgress = true; this._worker.RunWorkerCompleted += delegate(object s, RunWorkerCompletedEventArgs args) { this.Close(); }; this._worker.ProgressChanged += delegate(object s, ProgressChangedEventArgs args) { this.statusPG.Value = args.ProgressPercentage; }; this._worker.RunWorkerAsync(); } <Window x:Class="SzerencsejatekProgram.Create" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Létrehozás" mc:Ignorable="d" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" Height="500" Width="700"> <DockPanel> <Button DockPanel.Dock="Right" Name="btnNext" Width="80" Click="btnNext_Click">Tovább</Button> <StatusBar DockPanel.Dock="Bottom"> <StatusBar.ItemsPanel> <ItemsPanelTemplate> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="*"/> <ColumnDefinition Width="Auto"/> <ColumnDefinition Width="auto"/> <ColumnDefinition Width="auto"/> </Grid.ColumnDefinitions> </Grid> </ItemsPanelTemplate> </StatusBar.ItemsPanel> <StatusBarItem Grid.Column="1"> <TextBlock Name="statusText"></TextBlock> </StatusBarItem> <StatusBarItem Grid.Column="2"> <ProgressBar Name="statusPG" Width="80" Height="18" IsEnabled="False" /> </StatusBarItem> <StatusBarItem Grid.Column="3"> <Button Name="statusB" IsCancel="True" IsEnabled="False">Cancel</Button> </StatusBarItem> </StatusBar> </DockPanel> </Window>

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• extensible database design: automatic ALTER TABLE or serialize() field BLOB ?

  - by mario

  I want an adaptable database scheme. But still use a simple table data gateway in my application, where I just pass an $data[] array for storing. The basic columns are settled in the initial table scheme. There will however arise a couple of meta fields later (ca 10-20). I want some flexibility there and not adapt the database manually each time, or -worse- change the application logic just because of new fields. So now there are two options which seem workable yet not overkill. But I'm not sure about the scalability or database drawbacks. (1) Automatic ALTER TABLE. Whenever the $data array is to be saved, the keys are compared against the current database columns. New columns get defined before the $data is INSERTed into the table. Actually seems simple enough in test code: function save($data, $table="forum") { // columns if ($new_fields = array_diff(array_keys($data), known_fields($table))) { extend_schema($table, $new_fields, $data); } // save $columns = implode("`, `", array_keys($data)); $qm = str_repeat(",?", count(array_keys($data)) - 1); echo ("INSERT INTO `$table` (`$columns`) VALUES (?$qm);"); function known_fields($table) { return unserialize(@file_get_contents("db:$table")) ?: array("id"); function extend_schema($table, $new_fields, $data) { foreach ($new_fields as $field) { echo("ALTER TABLE `$table` ADD COLUMN `$field` VARCHAR;"); Since it is mostly meta information fields, adding them just as VARCHAR seems sufficient. Nobody will query by them anyway. So the database is really just used as storage here. However, while I might want to add a lot of new $data fields on the go, they will not always be populated. (2) serialize() fields into BLOB. Any new/extraneous meta fields could be opaque to the database. Simply sorting out the virtual fields from the real database columns is simple. And the meta fields can just be serialize()d into a blob/text field then: function ext_save($data, $table="forum") { $db_fields = array("id", "content", "flags", "ext"); // disjoin foreach (array_diff(array_keys($data),$db_fields) as $key) { $data["ext"][$key] = $data[$key]; unset($data[$key]); } $data["ext"] = serialize($data["ext"]); Unserializing and unpacking this 'ext' column on read queries is a minor overhead. The advantage is that there won't be any sparsely filled columns in the database, so I guess it's compacter and faster than the AUTO ALTER TABLE approach. Of course, this method prevents ever using one of the new fields in a WHERE or GROUP BY clause. But I think none of the possible meta fields (user_agent, author_ip, author_img, votes, hits, last_modified, ..) would/should ever be used there anyway. So I currently prefer the 'ext' blob approach, even if it's a one-way ticket. How are such columns called usually? (looking for examples/doc) Would you use XML serialization for (very theoretical) in-database queries? The adapting table scheme seems a "cleaner" interface, even if most columns might remain empty then. How does that impact speed? How many such sparse VARCHAR fields can MySQL/innodb stomach? But most importantly: Is there any standard implementation for this? A pseudo ORM with automatic ALTER TABLE tricks? Storing a simple column list seems workable, but something like pdo::getColumnMeta would be more robust.

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• Why can't the style I have within a control template use templatebinding?

  - by Justin

  I have this control template that I am writing: <Style TargetType="{x:Type controls:InfoBar}"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type controls:InfoBar}"> <Border Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"> <StackPanel> <Grid> <Grid.Resources> <Style TargetType="{x:Type TextBlock}"> <Setter Property="FontFamily" Value="{TemplateBinding FontFamily}" /> <Setter Property="FontSize" Value="{TemplateBinding FontSize}" /> <Setter Property="Foreground" Value="{TemplateBinding Foreground}" /> </Style> </Grid.Resources> <Grid.ColumnDefinitions> <ColumnDefinition /> <ColumnDefinition /> <ColumnDefinition /> </Grid.ColumnDefinitions> <ItemsControl Grid.Column="0" ItemsSource="{TemplateBinding LeftInfoBarTextBlockCollection}"> <ItemsControl.ItemsPanel> <ItemsPanelTemplate> <WrapPanel /> </ItemsPanelTemplate> </ItemsControl.ItemsPanel> </ItemsControl> <ItemsControl Grid.Column="1" ItemsSource="{TemplateBinding MiddleInfoBarTextBlockCollection}"> <ItemsControl.ItemsPanel> <ItemsPanelTemplate> <WrapPanel /> </ItemsPanelTemplate> </ItemsControl.ItemsPanel> </ItemsControl> <ItemsControl Grid.Column="2" ItemsSource="{TemplateBinding RightInfoBarTextBlockCollection}"> <ItemsControl.ItemsPanel> <ItemsPanelTemplate> <WrapPanel /> </ItemsPanelTemplate> </ItemsControl.ItemsPanel> </ItemsControl> </Grid> </StackPanel> </Border> </ControlTemplate> </Setter.Value> </Setter> </Style> This section of xaml is throwing member is not valid because it does not contain a valid type name. exceptions for the template bindings on FontFamily, FontSize and Foreground. <Grid.Resources> If I change it to this: <Grid.Resources> It will build, but when I debug it, I get this XmlParseExeption: Set property 'System.Windows.Setter.Value' threw an exception. If I change controls:InfoBar to Control, which InfoBar inherits from, I get the same exception. What am I doing wrong?

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• Put/Post json not working with ODataController if Model has Int64

  - by daryl

  I have this Data Object with an Int64 column: [TableAttribute(Name="dbo.vw_RelationLineOfBusiness")] [DataServiceKey("ProviderRelationLobId")] public partial class RelationLineOfBusiness { #region Column Mappings private System.Guid _Lineofbusiness; private System.String _ContractNumber; private System.Nullable<System.Int32> _ProviderType; private System.String _InsuredProviderType; private System.Guid _ProviderRelationLobId; private System.String _LineOfBusinessDesc; private System.String _CultureCode; private System.String _ContractDesc; private System.Nullable<System.Guid> _ProviderRelationKey; private System.String _ProviderRelationNbr; **private System.Int64 _AssignedNbr;** When I post/Put object through my OData controller using HttpClient and NewtsonSoft: partial class RelationLineOfBusinessController : ODataController { public HttpResponseMessage PutRelationLineOfBusiness([FromODataUri] System.Guid key, Invidasys.VidaPro.Model.RelationLineOfBusiness entity) the entity object is null and the error in my modelstate : "Cannot convert a primitive value to the expected type 'Edm.Int64'. See the inner exception for more details." I noticed when I do a get on my object using the below URL: Invidasys.Rest.Service/VidaPro/RelationLineOfBusiness(guid'c6824edc-23b4-4f76-a777-108d482c0fee') my json looks like the following - I noticed that the AssignedNbr is treated as a string. { "odata.metadata":"Invidasys.Rest.Service/VIDAPro/$metadata#RelationLineOfBusiness/@Element", "Lineofbusiness":"ba129c95-c5bb-4e40-993e-c28ca86fffe4","ContractNumber":null,"ProviderType":null, "InsuredProviderType":"PCP","ProviderRelationLobId":"c6824edc-23b4-4f76-a777-108d482c0fee", "LineOfBusinessDesc":"MEDICAID","CultureCode":"en-US","ContractDesc":null, "ProviderRelationKey":"a2d3b61f-3d76-46f4-9887-f2b0c8966914","ProviderRelationNbr":"4565454645", "AssignedNbr":"1000000045","Ispar":true,"ProviderTypeDesc":null,"InsuredProviderTypeDesc":"Primary Care Physician", "StartDate":"2012-01-01T00:00:00","EndDate":"2014-01-01T00:00:00","Created":"2014-06-13T10:59:33.567", "CreatedBy":"Michael","Updated":"2014-06-13T10:59:33.567","UpdatedBy":"Michael" } When I do a PUT with httpclient the JSON is showing up in my restful services as the following and the json for the AssignedNbr column is not in quotes which results in the restful services failing to build the JSON back to an object. I played with the JSON and put the AssignedNbr in quotes and the request goes through correctly. {"AssignedNbr":1000000045,"ContractDesc":null,"ContractNumber":null,"Created":"/Date(1402682373567-0700)/", "CreatedBy":"Michael","CultureCode":"en-US","EndDate":"/Date(1388559600000-0700)/","InsuredProviderType":"PCP", "InsuredProviderTypeDesc":"Primary Care Physician","Ispar":true,"LineOfBusinessDesc":"MEDICAID", "Lineofbusiness":"ba129c95-c5bb-4e40-993e-c28ca86fffe4","ProviderRelationKey":"a2d3b61f-3d76-46f4-9887-f2b0c8966914", "ProviderRelationLobId":"c6824edc-23b4-4f76-a777-108d482c0fee","ProviderRelationNbr":"4565454645","ProviderType":null, "ProviderTypeDesc":null,"StartDate":"/Date(1325401200000-0700)/","Updated":"/Date(1408374995760-0700)/","UpdatedBy":"ED"} The reason we wanted to expose our business model as restful services was to hide any data validation and expose all our databases in format that is easy to develop against. I looked at the DataServiceContext to see if it would work and it does but it uses XML to communicate between the restful services and the client. Which would work but DataServiceContext does not give the level of messaging that HttpRequestMessage/HttpResponseMessage gives me for informing users on the errors/missing information with their post. We are planning on supporting multiple devices from our restful services platform but that requires that I can use NewtonSoft Json as well as Microsoft's DataContractJsonSerializer if need be. My question is for a restful service standpoint - is there a way I can configure/code the restful services to take in the AssignedNbr as in JSON as without the quotes. Or from a JSON standpoint is their a way I can get the JSON built without getting into the serializing business nor do I want our clients to have deal with custom serializers if they want to write their own apps against our restful services. Any suggestions? Thanks.

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• java will this threading setup work or what can i be doing wrong

  - by Erik

  Im a bit unsure and have to get advice. I have the: public class MyApp extends JFrame{ And from there i do; MyServer = new MyServer (this); MyServer.execute(); MyServer is a: public class MyServer extends SwingWorker<String, Object> { MyServer is doing listen_socket.accept() in the doInBackground() and on connection it create a new class Connection implements Runnable { I have the belove DbHelper that are a singleton. It holds an Sqlite connected. Im initiating it in the above MyApp and passing references all the way in to my runnable: class Connection implements Runnable { My question is what will happen if there are two simultaneous read or `write? My thought here was the all methods in the singleton are synchronized and would put all calls in the queue waiting to get a lock on the synchronized method. Will this work or what can i change? public final class DbHelper { private boolean initalized = false; private String HomePath = ""; private File DBFile; private static final String SYSTEM_TABLE = "systemtable"; Connection con = null; private Statement stmt; private static final ContentProviderHelper instance = new ContentProviderHelper (); public static ContentProviderHelper getInstance() { return instance; } private DbHelper () { if (!initalized) { initDB(); initalized = true; } } private void initDB() { DBFile = locateDBFile(); try { Class.forName("org.sqlite.JDBC"); // create a database connection con = DriverManager.getConnection("jdbc:sqlite:J:/workspace/workComputer/user_ptpp"); } catch (SQLException e) { e.printStackTrace(); } catch (ClassNotFoundException e) { e.printStackTrace(); } } private File locateDBFile() { File f = null; try{ HomePath = System.getProperty("user.dir"); System.out.println("HomePath: " + HomePath); f = new File(HomePath + "/user_ptpp"); if (f.canRead()) return f; else { boolean success = f.createNewFile(); if (success) { System.out.println("File did not exist and was created " + HomePath); // File did not exist and was created } else { System.out.println("File already exists " + HomePath); // File already exists } } } catch (IOException e) { System.out.println("Maybe try a new directory. " + HomePath); //Maybe try a new directory. } return f; } public String getHomePath() { return HomePath; } private synchronized String getDate(){ SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date date = new Date(); return dateFormat.format(date); } public synchronized String getSelectedSystemTableColumn( String column) { String query = "select "+ column + " from " + SYSTEM_TABLE ; try { stmt = con.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY); ResultSet rs = stmt.executeQuery(query); while (rs.next()) { String value = rs.getString(column); if(value == null || value == "") return ""; else return value; } } catch (SQLException e ) { e.printStackTrace(); return ""; } finally { } return ""; } }

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• How to create a dynamically built Context Menu clickEvent

  - by Chris

  C#, winform I have a DataGridView and a context menu that opens when you right click a specific column. What shows up in the context menu is dependant on what's in the field clicked on - paths to multiple files (the paths are manipulated to create a full UNC path to the correct file). The only problem is that I can't get the click working. I did not drag and drop the context menu from the toolbar, I created it programmically. I figured that if I can get the path (let's call it ContextMenuChosen) to show up in MessageBox.Show(ContextMenuChosen); I could set the same to System.Diagnostics.Process.Start(ContextMenuChosen); The Mydgv_MouseUp event below actually works to the point where I can get it to fire off MessageBox.Show("foo!"); when something in the context menu is selected but that's where it ends. I left in a bunch of comments below showing what I've tried when it one of the paths are clicked. Some result in empty strings, others error (Object not set to an instance...). I searched code all day yesterday but couldn't find another way to hook up a dynamically built Context Menu clickEvent. Code and comments: ContextMenu m = new ContextMenu(); // SHOW THE RIGHT CLICK MENU private void Mydgv_MouseClick(object sender, MouseEventArgs e) { if (e.Button == MouseButtons.Right) { int currentMouseOverCol = Mydgv.HitTest(e.X, e.Y).ColumnIndex; int currentMouseOverRow = Mydgv.HitTest(e.X, e.Y).RowIndex; if (currentMouseOverRow >= 0 && currentMouseOverCol == 6) { string[] paths = myPaths.Split(';'); foreach (string path in paths) { string UNCPath = "\\\\1.1.1.1\\c$\\MyPath\\"; string FilePath = path.Replace("c:\\MyPath\\", @""); m.MenuItems.Add(new MenuItem(UNCPath + FilePath)); } } m.Show(Mydgv, new Point(e.X, e.Y)); } } // SELECTING SOMETHING IN THE RIGHT CLICK MENU private void Mydgv_MouseUp(object sender, MouseEventArgs e) { DataGridView.HitTestInfo hitTestInfo; if (e.Button == MouseButtons.Right) { hitTestInfo = Mydgv.HitTest(e.X, e.Y); // If column is first column if (hitTestInfo.Type == DataGridViewHitTestType.Cell && hitTestInfo.ColumnIndex == 6) { //MessageBox.Show(m.ToString()); ////MessageBox.Show(m.Tag.ToString()); //MessageBox.Show(m.Name.ToString()); //MessageBox.Show(m.MenuItems.ToString()); ////MessageBox.Show(m.MdiListItem.ToString()); // MessageBox.Show(m.Name); //if (m.MenuItems.Count > 0) //MessageBox.Show(m.MdiListItem.Text); //MessageBox.Show(m.ToString()); //MessageBox.Show(m.MenuItems.ToString()); //Mydgv.ContextMenu.Show(m.Name.ToString()); //MessageBox.Show(ContextMenu.ToString()); //MessageBox.Show(ContextMenu.MenuItems.ToString()); //MenuItem.text //MessageBox.Show(this.ContextMenu.MenuItems.ToString()); } m.MenuItems.Clear(); } } I'm very close to completing this so any help would be much appreciated. Thanks, ~ Chris

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• Why cant I get a Thumb to be larger on a styled scrollbar in WPF.

  - by Tollo

  I have taken the MSDN templates for styling a scrollbar and have been trying to apply my different styles (Image on each track repeater and separate Image on the thumb) but I am unable to make the thumb change size. I have tried setting the Width on the Track.Thumb style and also in the ControlTemplate of the Thumb itself. For some reason the default size is only ever rendered even when the thumb actually occupies much more space. Does anyone know how to make the thumb render at the size that I want? The XAML I am using for the styles is here: <Style x:Key="ScrollBarThumb" TargetType="{x:Type Thumb}"> <Setter Property="Background" Value="Red" /> <Setter Property="OverridesDefaultStyle" Value="True"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type Thumb}"> <Image Source="sampleimg.png" Stretch="Fill" /> </ControlTemplate> </Setter.Value> </Setter> </Style> <ControlTemplate x:Key="ArfleHBar" TargetType="{x:Type ScrollBar}"> <Grid > <Grid.ColumnDefinitions> <ColumnDefinition MaxWidth="18"/> <ColumnDefinition Width="0.00001*"/> <ColumnDefinition MaxWidth="18"/> </Grid.ColumnDefinitions> <RepeatButton Grid.Column="0" Style="{StaticResource ScrollBarLineButton}" Width="18" Command="ScrollBar.LineLeftCommand" Content="M 4 0 L 4 8 L 0 4 Z" /> <Track Name="PART_Track" Grid.Column="1" IsDirectionReversed="False" > <Track.DecreaseRepeatButton> <RepeatButton Style="{StaticResource ScrollBarPageButton}" Command="ScrollBar.PageLeftCommand" Width="100"/> </Track.DecreaseRepeatButton> <Track.Thumb> <Thumb Style="{StaticResource ScrollBarThumb}" Margin="0,1,0,1" Width="250" Padding="0,0,0,0"> </Thumb> </Track.Thumb> <Track.IncreaseRepeatButton> <RepeatButton Style="{StaticResource ScrollBarPageButton}" Command="ScrollBar.PageRightCommand" Width="100" /> </Track.IncreaseRepeatButton> </Track> <RepeatButton Grid.Column="3" Style="{StaticResource ScrollBarLineButton}" Width="18" Command="ScrollBar.LineRightCommand" Content="M 0 0 L 4 4 L 0 8 Z"/> </Grid> </ControlTemplate> <Style x:Key="ArfleBar" TargetType="{x:Type ScrollBar}"> <Setter Property="SnapsToDevicePixels" Value="True"/> <Setter Property="OverridesDefaultStyle" Value="true"/> <Style.Triggers> <Trigger Property="Orientation" Value="Horizontal"> <Setter Property="Width" Value="Auto"/> <Setter Property="Height" Value="18" /> <Setter Property="Template" Value="{StaticResource ArfleHBar}" /> </Trigger> </Style.Triggers> </Style>

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• Merge DataGrid ColumnHeaders

  - by Vishal

  I would like to merge two column-Headers. Before you go and mark this question as duplicate please read further. I don't want a super-Header. I just want to merge two column-headers. Take a look at image below: Can you see two columns with headers Mobile Number 1 and Mobile Number 2? I want to show there only 1 column header as Mobile Numbers. Here is the XAML used for creating above mentioned dataGrid: <DataGrid Grid.Row="1" Margin="0,10,0,0" ItemsSource="{Binding Ledgers}" IsReadOnly="True" AutoGenerateColumns="False"> <DataGrid.Columns> <DataGridTextColumn Header="Customer Name" Binding="{Binding LedgerName}" /> <DataGridTextColumn Header="City" Binding="{Binding City}" /> <DataGridTextColumn Header="Mobile Number 1" Binding="{Binding MobileNo1}" /> <DataGridTextColumn Header="Mobile Number 2" Binding="{Binding MobileNo2}" /> <DataGridTextColumn Header="Opening Balance" Binding="{Binding OpeningBalance}" /> </DataGrid.Columns> </DataGrid> Update1: Update2 I have created a converter as follows: public class MobileNumberFormatConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { if (value != null && value != DependencyProperty.UnsetValue) { if (value.ToString().Length <= 15) { int spacesToAdd = 15 - value.ToString().Length; string s = value.ToString().PadRight(value.ToString().Length + spacesToAdd); return s; } return value.ToString().Substring(0, value.ToString().Length - 3) + "..."; } return ""; } public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { throw new NotImplementedException(); } } I have used it in XAML as follows: <DataGridTextColumn Header="Mobile Numbers"> <DataGridTextColumn.Binding> <MultiBinding StringFormat=" {0} {1}"> <Binding Path="MobileNo1" Converter="{StaticResource mobileNumberFormatConverter}"/> <Binding Path="MobileNo2" Converter="{StaticResource mobileNumberFormatConverter}"/> </MultiBinding> </DataGridTextColumn.Binding> </DataGridTextColumn> The output I got: Update3: At last I got the desired output. Here is the code for Converter: public class MobileNumberFormatConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { if (value != null && value != DependencyProperty.UnsetValue) { if (parameter.ToString().ToUpper() == "N") { if (value.ToString().Length <= 15) { return value.ToString(); } else { return value.ToString().Substring(0, 12); } } else if (parameter.ToString().ToUpper() == "S") { if (value.ToString().Length <= 15) { int spacesToAdd = 15 - value.ToString().Length; string spaces = ""; return spaces.PadRight(spacesToAdd); } else { return "..."; } } } return ""; } public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { throw new NotImplementedException(); } } Here is my XAML: <DataGridTemplateColumn Header="Mobile Numbers"> <DataGridTemplateColumn.CellTemplate> <DataTemplate> <TextBlock> <Run Text="{Binding MobileNo1, Converter={StaticResource mobileNumberFormatConverter}, ConverterParameter=N}" /> <Run Text="{Binding MobileNo1, Converter={StaticResource mobileNumberFormatConverter}, ConverterParameter=S}" FontFamily="Consolas"/> <Run Text=" " FontFamily="Consolas"/> <Run Text="{Binding MobileNo2, Converter={StaticResource mobileNumberFormatConverter}, ConverterParameter=N}" /> <Run Text="{Binding MobileNo2, Converter={StaticResource mobileNumberFormatConverter}, ConverterParameter=S}" FontFamily="Consolas"/> </TextBlock> </DataTemplate> </DataGridTemplateColumn.CellTemplate> </DataGridTemplateColumn> Output:

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• One to many in nhibernate mapping problem

  - by chobo2

  Hi I have this using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Demo.Framework.Domain { public class UserEntity { public virtual Guid UserId { get; protected set; } } } using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace TDemo.Framework.Domain { public class Users : UserEntity { public virtual string OpenIdIdentifier { get; set; } public virtual string Email { get; set; } public virtual IList<Movie> Movies { get; set; } } } using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Demo.Framework.Domain { public class Movie { public virtual int MovieId { get; set; } public virtual Guid UserId { get; set; } // not sure if I should inherit UserEntity public virtual string Title { get; set; } public virtual DateTime ReleaseDate { get; set; } // in my ms sql 2008 database I want this to be just a Date type. Not sure how to do that. public virtual int Upc { get; set; } } } <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="Demo.Framework" namespace="Demo.Framework.Domain"> <class name="Users"> <id name="UserId"> <generator class="guid.comb" /> </id> <property name="OpenIdIdentifier" not-null="true" /> <property name="Email" not-null="true" /> </class> <subclass name="Movie"> <list name="Movies" cascade="all-delete-orphan"> <key column="MovieId" /> <index column="MovieIndex" /> // not sure what index column is really. <one-to-many class="Movie"/> </list> </subclass> </hibernate-mapping> <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" assembly="Demo.Framework" namespace="Demo.Framework.Domain"> <class name="Movie"> <id name="MovieId"> <generator class="native" /> </id> <property name="Title" not-null="true" /> <property name="ReleaseDate" not-null="true" type="Date" /> <property name="Upc" not-null="true" /> <property name="UserId" not-null="true" type="Guid"/> </class> </hibernate-mapping> I get this error 'extends' attribute is not found or is empty. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: NHibernate.MappingException: 'extends' attribute is not found or is empty. Source Error: Line 17: { Line 18: Line 19: var nhConfig = new Configuration().Configure(); Line 20: var sessionFactory = nhConfig.BuildSessionFactory(); Line 21:

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• WPF MVVM TreeView item source losing context after command

  - by user3955716

  I have a treeview which contains files, every view model holds an item source which is an ObservableCollection with files items: public ObservableCollection<CMItemFileNode> SubItemNode On each item i have context menu options (Delete, Execute..). If i move from one viewModel to another the ObservableCollection of files updated correctly and presented correctly but, when i perform a context menu command like delete file item, the command execute good but when i move to another view model (which holds SubItemNode ObservableCollection of is own) after the command executed the WPF still thinks i'm in the last view model i was in and not the one i'm really on. Very important to mention is that when i update to .net 4.5 (which unfortunantly i can't do) everything is ok and the ObservableCollection addresses the correct view model. Here is the treeView: <TreeView x:Name="Files" Margin="0,5,5,0" Grid.Row="6" Grid.Column="2" ItemsSource="{Binding SubItemNode}" HorizontalAlignment="Stretch" HorizontalContentAlignment="Stretch" VerticalAlignment="Stretch" Height="300" Grid.RowSpan="6" Width="300" dd:DragDrop.IsDragSource="True" dd:DragDrop.IsDropTarget="True" dd:DragDrop.DropHandler="{Binding}" dd:DragDrop.UseDefaultDragAdorner="True"> <TreeView.Resources> <Style TargetType="{x:Type TreeView}"> <Setter Property="local:CMTreeViewFilesBehavior.IsTreeViewFilesBehavior" Value="True"/> </Style> <Style TargetType="{x:Type TreeViewItem}"> <Setter Property="IsSelected" Value="{Binding IsSelected}" /> <Setter Property="local:CMTreeViewFilesItemBehavior.IsTreeViewFilesItemBehavior" Value="True"/> </Style> <SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}" Color="Transparent" /> <SolidColorBrush x:Key="{x:Static SystemColors.HighlightTextBrushKey}" Color="Black" /> </TreeView.Resources> <TreeView.ContextMenu> <ContextMenu> <MenuItem Header="View File" Command="{Binding ExecuteFileCommand}" /> <Separator /> <MenuItem Header="Delete all" Command="{Binding DeleteAllFilesCommand}" /> <MenuItem Header="Delete selected" Command="{Binding DeleteSelectedFilesCommand}" /> </ContextMenu> </TreeView.ContextMenu> <TreeView.ItemTemplate> <HierarchicalDataTemplate ItemsSource="{Binding SubItemNode}" > <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto"/> <ColumnDefinition Width="*"/> </Grid.ColumnDefinitions> <Image Grid.Column="0" Margin="2" Width="32" Height="18" Source="{Binding Path=Icon}" HorizontalAlignment="Left" VerticalAlignment="Center" /> <TextBlock Text="{Binding Path=Name}" Grid.Column="1" Margin="2" VerticalAlignment="Center" Foreground="{Binding Path=Status, Converter={StaticResource ItemFileStatusToColor}}" FontWeight="{Binding Path=IsSelected, Converter={StaticResource BoolToFontWidth}}"/> </Grid> </HierarchicalDataTemplate> </TreeView.ItemTemplate> </TreeView> Am I doing somthing wrong? and why in .net 4.5 it works well ?

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• HTML Email template Table help needed

  - by user1870691

  I need help setting up an email newsletter template as one of the columns is not being displayed properly, the column containing heading 2 is not being displayed properly it is being displayed towards right side of the page instead of aligning with the template elements. Here is the code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> </head> <body> <!--Table Start-->&nbsp;&nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; <table border="0" align="center" cellpadding="0" cellspacing="0" class="cont-bg" bgcolor="#f1f1f1" style="background-color: #f1f1f1; padding: 27px 0px 0px; width: 100%; background-position: initial initial; background-repeat: initial initial;"> <tbody> <tr> <td align="center" valign="top" width="1133">&nbsp; &nbsp;&nbsp; &nbsp; &nbsp; <!--Main Part Start-->&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; <table border="0" align="center" cellpadding="0" cellspacing="0" style="width: 650px;"> <tbody> <tr> <td align="left" valign="top">&nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; <!--Header Part Start-->&nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp; <table border="0" align="center" cellpadding="0" cellspacing="0" style="width: 650px; height: 682px;"> <tbody> <tr> <td colspan="2" align="right" valign="top" mc:edit="view" style="font: normal 12px arial, helvetica, sans-serif; color: #000000; padding-bottom: 22px;">You can&rsquo;t see this email?<a href="#"> View it in your browser.</a></td> </tr> <tr><!--Logo Start--> <td width="287" align="left" valign="top" bgcolor="#ffffff" style="background: #fff;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <p align="left"><br /> <img src="commstellogo.png" width="208" height="45" border="0" align="left" /></p> </td> <!--Logo End--><!--Menu Part Start--> <td width="363" height="94" align="left" valign="middle" bgcolor="#ffffff" style="background: #fff;">&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; <table border="0" cellspacing="0" cellpadding="0" style="width: 340px;"> <tbody> <tr> <td align="right" valign="top" mc:edit="date" style="font: bold 18px arial, helvetica, sans-serif; color: #2f2f2f; text-transform: uppercase; padding-bottom: 8px;">01727 260 101</td> </tr> <tr> <td align="left" valign="top">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; <table border="0" cellspacing="0" cellpadding="0" style="width: 340px;"> <tbody> <tr> <td width="16" align="left" valign="top"><img mc:edit="h-icin" src="images/home-icon.png" width="16" height="19" alt="" /></td> <td width="64" align="left" valign="middle" mc:edit="h-text" style="font: bold 12px arial, helvetica, sans-serif; color: #414141; padding-left: 9px;"><a href="#" style="color: #414141;">Home</a></td> <td width="16" align="left" valign="top"><img mc:edit="s-icon" src="images/setting.png" width="16" height="19" alt="" /></td> <td width="79" align="left" valign="middle" mc:edit="s-text" style="font: bold 12px arial, helvetica, sans-serif; color: #414141; padding-left: 9px;"><a href="#" style="color: #414141;">Services</a></td> <td width="16" align="left" valign="top"><img mc:edit="a-icon" src="images/about-us.png" width="16" height="19" alt="" /></td> <td width="77" align="left" valign="middle" mc:edit="a-text" style="font: bold 12px arial, helvetica, sans-serif; color: #414141; padding-left: 9px;"><a href="#" style="color: #414141;">About us</a></td> <td width="18" align="left" valign="top"><img mc:edit="s-icon" src="images/support.png" width="16" height="19" alt="" /></td> <td width="54" align="right" valign="middle" mc:edit="s-text" style="font: bold 12px arial, helvetica, sans-serif; color: #414141; padding-left: 9px;"><a href="#">Contact</a></td> </tr> </tbody> </table> </td> </tr> </tbody> </table> </td> <!--Menu Part End--></tr> <tr> <td colspan="2" align="left" valign="top" height="548">&nbsp; &nbsp;&nbsp; &nbsp; &nbsp; <!--Banner Start-->&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; <table border="0" cellspacing="0" cellpadding="0" style="width: 650px;"> <tbody> <tr> <td align="left" valign="top"><img mc:edit="banner-image" src="#" width="649" height="356" alt="" style="display: block;" /></td> </tr> <tr> <td align="left" valign="top" bgcolor="#2f2f2f" style="padding: 25px 0px 18px 20px; background: #2f2f2f;">&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; <table border="0" cellspacing="0" cellpadding="0" style="width: 611px;"> <tbody> <tr> <td align="left" valign="top" mc:edit="banner-title" style="font: normal 24px arial, helvetica, sans-serif; color: #fff; padding-bottom: 8px;">Heading Area</td> </tr> <tr> <td align="left" valign="top" mc:edit="banner-text" style="font: normal 12px arial, helvetica, sans-serif; color: #fff; line-height: 18px; padding: 0px 0px 12px 4px;">Vivamus interdum mauris urna. Nullam egestas augue elit. Aliquam pretium elit varius metus hendrerit volutpat. <b>20% off</b> Vivamus interdum mauris urna. Nullam egestas augue elit. Aliquam pretium elit varius metus hendrerit volutpat.</td> </tr> <tr> <td align="left" valign="top"><a href="#><img mc:edit="banner-read-more" src="#" width="128" height="31" alt="" /></a></td> </tr> </tbody> </table> </td> </tr> </tbody> </table> &nbsp; <!--Banner End--> &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;</td> </tr> </tbody> </table> <!--Header Part End--> &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;</td> </tr> <tr><!--Body Part Start--></tr> <tr> <td width="330" align="left" valign="top">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <!--Two column 1 Start-->&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <table border="0" cellspacing="0" cellpadding="0" style="width: 320px;"> <tbody> <tr> <td align="left" valign="top"><img mc:edit="two-coulmn-image1" src="businesstelephone.png" width="320" height="172" alt="" style="display: block;" /></td> </tr> <tr> <td align="left" valign="top" bgcolor="#2f2f2f" style="padding: 15px 0px 18px 20px; background: #2f2f2f;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; <table border="0" cellspacing="0" cellpadding="0" style="width: 288px;"> <tbody> <tr> <td align="left" valign="top" mc:edit="banner-title" style="font: normal 24px arial, helvetica, sans-serif; color: #fff; padding-bottom: 5px;">Heading 2</td> </tr> <tr> <td align="left" valign="top" mc:edit="banner-text" style="font: normal 12px arial, helvetica, sans-serif; color: #fff; line-height: 18px; padding: 0px 0px 12px 4px;">Praesent viverra dui in orci pulvinar convallis. Nunc interdum, metus eget adipiscing rutrum, leo quam accumsan tellus, eget . It's easy and hassle free!</td> </tr> <tr> <td align="left" valign="top"><a href="#"><img mc:edit="read-more" src="#" width="128" height="31" alt="" /></a></td> </tr> </tbody> </table> &nbsp; &nbsp;</td> </tr> </tbody> </table> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <!--Two column 1 End--> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</td> <td width="320" align="left" valign="top">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <!--Two column 2 Start-->&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <table border="0" cellspacing="0" cellpadding="0" style="width: 320px;"> <tbody> <tr> <td align="left" valign="top"><img mc:edit="two-coulmn-image2" src="mobiles.png" width="320" height="172" alt="" style="display: block;" /></td> </tr> <tr> <td align="left" valign="top" bgcolor="#2f2f2f" style="padding: 15px 0px 18px 20px; background: #2f2f2f;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; <table border="0" cellspacing="0" cellpadding="0" style="width: 288px;"> <tbody> <tr> <td align="left" valign="top" mc:edit="banner-title" style="font: normal 24px arial, helvetica, sans-serif; color: #fff; padding-bottom: 5px;">Heading 3</td> </tr> <tr> <td align="left" valign="top" mc:edit="banner-text" style="font: normal 12px arial, helvetica, sans-serif; color: #fff; line-height: 18px; padding: 0px 0px 12px 4px;">Nunc vel massa metus, vel varius mi. Sed sagittis consectetur nisi, sed imperdiet ipsum interdum non. Nunc consectetur odio et turpis eleifend semper. Pellentesque lorem purus</td> </tr> <tr> <td align="left" valign="top"><a href="#"><img mc:edit="read-more-1" src="images/read-more.png" width="128" height="31" alt="" /></a></td> </tr> </tbody> </table> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</td> </tr> </tbody> </table> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <!--Two column 2 End--> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</td> </tr> <!--Two column Part End--> <tr> <td>&nbsp;</td> </tr> </tbody> </table> </td> <!--Body Part End--></tr> <tr><!--Footer Part Start--> <td align="left" valign="top">&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp; <table border="0" cellspacing="0" cellpadding="0" style="width: 687px;"> <tbody> <tr> <td align="center" valign="top" bgcolor="#ffffff" style="background: #fff; padding: 28px 0px 27px 0px;" width="687">&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; <table border="0" align="center" cellpadding="0" cellspacing="0" style="width: 675px;"> <tbody> <tr> <td align="center" valign="top" mc:edit="un-sp-text" style="font: normal 12px arial, helvetica, sans-serif; color: #737373; line-height: 18px;" width="675">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <p align="center"><b>Copyright &copy; 2012 Company - Registered &amp; Dales 07765116</b></p> </td> </tr> <tr> <td align="center" valign="top" mc:edit="c-right-text" style="font: bold 12px arial, helvetica, sans-serif; color: #737373; line-height: 18px;" width="675">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <p align="center">Company Address<br /> T: 023227 000 201 &nbsp;E: <a href="#">[email protected]</a> &nbsp;W: <a href="#">company</a></p> </td> </tr> </tbody> </table> </td> </tr> <tr> <td align="center" valign="top" style="padding: 20px 0px 35px 0px;" width="687">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <p align="center">If you wish to unsubscribe from this email, please click here</p> </td> </tr> </tbody> </table> </td> <!--Footer Part End--></tr> </tbody> </table> <!--Main Part End--> &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; <!--Table Start--> </body> </html>

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• OTN Developer Days - Calgary, Alberta March 18 & Atlanta, GA April 1

  - by dana.singleterry

  Discover a Faster Way to Develop Ajax -Enabled Application Based on Java and SOA Standards Get Hands-on with Oracle Jdeveloper, Oracle Application Developer Framework and Oracle Fusion Middleware 11g. You are invited to attend Oracle Technology Network (OTN) Developer Day, a free, hands-on workshop that will give you insight into how to create Ajax-enabled rich Web user interfaces and Java EE-based SOA services with ease. We'll introduce you to the development platform Oracle is using for its Fusion enterprise applications, and show you how to get up to speed with it. The workshop will get you started developing with the latest versions of Oracle JDeveloper and Oracle ADF 11g, including the Ajax-enabled ADF Faces rich client components. Thursday, March 18, 2010 8:00 a.m. - 5:00 p.m. Calgary Marriott hotel 110 9th Avenue, SE Calgary, Alberta T2G 5A6 Wednesday, April 1, 2010 8:00 a.m. - 5:00 p.m. Four Seasons Hotel Atlanta 75 Fourteenth Street Atlanta, Georgia 30309 This workshop is designed for developers, project managers, and architects. Whether you are currently using Java, traditional 4GL tools like Oracle Forms, PeopleTools, and Visual Basic, or just looking for a better development platform - this session is for you. Get explanation from Oracle experts, try your hands at actual development, and get a chance to win an Apple iPod Touch and Oracle prizes. Come see how Oracle can help you deliver cutting edge UIs and standard -based applications faster with the Oracle Fusion Development software stack. At this event you will: * Get to know the Oracle Fusion development architecture and strategy from Oracle's experts. * Learn the easy way to extend your existing development skill sets to incorporate new technologies and architectures that include Service-Oriented Architecture, Java EE, and Web 2.0 * Participate in hands-on labs and experience new technologies in a familiar and productive development environment with Oracle experts guidance. Click on the Register Now Calgary, Alberta to register for the Calgary event and click on the Register Now Atlanta, GA to register for the Atlanta FREE events. Don't miss your exclusive opportunity to network with your peers and discuss today's most vital application development topics with Oracle experts.

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