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• On a BPM Mission with Process Accelerators. Part 1: BPM as an ATV

  - by Cesare Rotundo

  Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Part 1: BPM as an ATV It’s always exciting to talk to customers that are in the middle of a BPM transformational journey. Their thirst for new processes to improve with BPM makes them explorers in a landscape of opportunities. They have discovered that with BPM the can “go places” they couldn’t reach before. In a way, learning how to generate value with BPM is like adopting a new mean of transportation. Apps are like regular cars: very efficient, but to be used on paved roads: the road/process has been traced, and there are fixed paths to follow to get from “opportunity to quote” or from “quote to cash”. Getting off the road is risky, and laying down new asphalt is slow and expensive. Custom development is like running: you can go virtually anywhere, following any path you like, yet it’s slow, and a lot of sweat. BPM allows you to go “off the beaten path” laid out by packaged apps, yet make fast progress compared to custom development. BPM is therefore more like an All-Terrain Vehicle (ATV): less efficient than a car, but much faster than running, with a powerful enough engine that can get you places. The similarities between BPM and ATVs don’t stop here: you must learn to ride it even if you already know how to drive a car; you can reach places but figuring out the path to your destination is harder. Ultimately, with BPM as with an ATV, you reach places that you thought you could never reach, and you discover new destinations that provide great benefit to you … and that you didn’t even know existed! That’s where the sense of accomplishment that we heard from our BPM customers comes from, as well as the desire to share their experience, or even, as in the case of a County, the willingness to contribute their BPM solutions to help other agencies that face the same challenges. The question we wanted to answer is how can we teach organizations to drive ATV/BPM, thus leading them to deeper success with BPM, while increasing their awareness of the potential for reaching new targets, and finally equip them with the right tools. Like with ATVs, getting from point A to point B is more of a work of art than cruising on the highway by car. There is a lot we can do: after all many sought after destinations are common: someone else has been on the same path before. If only you could learn from their experience …

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• Where we should put validation for domain model

  - by adisembiring

  I still looking best practice for domain model validation. Is that good to put the validation in constructor of domain model ? my domain model validation example as follows: public class Order { private readonly List<OrderLine> _lineItems; public virtual Customer Customer { get; private set; } public virtual DateTime OrderDate { get; private set; } public virtual decimal OrderTotal { get; private set; } public Order (Customer customer) { if (customer == null) throw new ArgumentException("Customer name must be defined"); Customer = customer; OrderDate = DateTime.Now; _lineItems = new List<LineItem>(); } public void AddOderLine //.... public IEnumerable<OrderLine> AddOderLine { get {return _lineItems;} } } public class OrderLine { public virtual Order Order { get; set; } public virtual Product Product { get; set; } public virtual int Quantity { get; set; } public virtual decimal UnitPrice { get; set; } public OrderLine(Order order, int quantity, Product product) { if (order == null) throw new ArgumentException("Order name must be defined"); if (quantity <= 0) throw new ArgumentException("Quantity must be greater than zero"); if (product == null) throw new ArgumentException("Product name must be defined"); Order = order; Quantity = quantity; Product = product; } } Thanks for all of your suggestion.

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• ERROR #342: DEVICE_SHADER_LINKAGE_SEMANTICNAME_NOT_FOUND

  - by Telanor

  I've stared at this for at least half an hour now and I cannot figure out what directx is complaining about. I know this error normally means you put float3 instead of a float4 or something like that, but I've checked over and over and as far as I can tell, everything matches. This is the full error message: D3D11: ERROR: ID3D11DeviceContext::DrawIndexed: Input Assembler - Vertex Shader linkage error: Signatures between stages are incompatible. The input stage requires Semantic/Index (COLOR,0) as input, but it is not provided by the output stage. [ EXECUTION ERROR #342: DEVICE_SHADER_LINKAGE_SEMANTICNAME_NOT_FOUND ] This is the vertex shader's input signature as seen in PIX: // Input signature: // // Name Index Mask Register SysValue Format Used // -------------------- ----- ------ -------- -------- ------ ------ // POSITION 0 xyz 0 NONE float xyz // NORMAL 0 xyz 1 NONE float // COLOR 0 xyzw 2 NONE float The HLSL structure looks like this: struct VertexShaderInput { float3 Position : POSITION0; float3 Normal : NORMAL0; float4 Color: COLOR0; }; The input layout, from PIX, is: The C# structure holding the data looks like this: [StructLayout(LayoutKind.Sequential)] public struct PositionColored { public static int SizeInBytes = Marshal.SizeOf(typeof(PositionColored)); public static InputElement[] InputElements = new[] { new InputElement("POSITION", 0, Format.R32G32B32_Float, 0), new InputElement("NORMAL", 0, Format.R32G32B32_Float, 0), new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 0) }; Vector3 position; Vector3 normal; Vector4 color; #region Properties ... #endregion public PositionColored(Vector3 position, Vector3 normal, Vector4 color) { this.position = position; this.normal = normal; this.color = color; } public override string ToString() { StringBuilder sb = new StringBuilder(base.ToString()); sb.Append(" Position="); sb.Append(position); sb.Append(" Color="); sb.Append(Color); return sb.ToString(); } } SizeInBytes comes out to 40, which is correct (4*3 + 4*3 + 4*4 = 40). Can anyone find where the mistake is?

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• Drawing two orthogonal strings in 3d space in Android Canvas?

  - by hasanghaforian

  I want to draw two strings in canvas.First string must be rotated around Y axis,for example 45 degrees.Second string must be start at the end of first string and also it must be orthogonal to first string. This is my code: String text = "In the"; float textWidth = redPaint.measureText(text); Matrix m0 = new Matrix(); Matrix m1 = new Matrix(); Matrix m2 = new Matrix(); mCamera = new Camera(); canvas.setMatrix(null); canvas.save(); mCamera.rotateY(45); mCamera.getMatrix(m0); m0.preTranslate(-100, -100); m0.postTranslate(100, 100); canvas.setMatrix(m0); canvas.drawText(text, 100, 100, redPaint); mCamera = new Camera(); mCamera.rotateY(90); mCamera.getMatrix(m1); m1.preTranslate(-textWidth - 100, -100); m1.postTranslate(textWidth + 100, 100); m2.setConcat(m1, m0); canvas.setMatrix(m2); canvas.drawText(text, 100 + textWidth, 100, greenPaint); But in result,only first string(text with red font)is visible. How can I do drawing two orthogonal strings in 3d space?

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• TSQL Challenge 31 - Managing multiple overlapping date intervals.

  This challenge is adapted from a budgeting system used in a large company to perform quarterly analysis of what kind of work will be done and where it will be done. Project Managers make plans and the estimated hours of work required from each employee each month end up in a central database. Top managers want to see a synthesis of this by department and profession

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• F# Objects &ndash; Part 3 &ndash; it&rsquo;s time to overload&hellip;

  - by MarkPearl

  Okay, some basic examples of overloading in F# Overloading Constructors Assume you have a F# object called person… type Person (firstname : string, lastname : string) = member v.Fullname = firstname + " " + lastname   This only has one constructor. To add additional constructors to the object by explicitly declaring them using the method member new. type Person (firstname : string, lastname : string) = new () = Person("Unknown", "Unknown") member v.Fullname = firstname + " " + lastname   In the code above I added another constructor to the Person object that takes no parameters and then refers to the primary constructor. Using the same technique in the code below I have created another constructor that accepts only the firstname as a parameter to create an object. type Person (firstname : string, lastname : string) = new () = Person("Unknown", "Unknown") new (firstname : string) = Person(firstname, "Unknown") member v.Fullname = firstname + " " + lastname   Overloading Operators So, you can overload operators of objects in F# as well… let’s look at example code… type Person(name : string) = member v.name = name static member (+) (person1 : Person , person2 : Person) = Person(person1.name + " " + person2.name)   In the code above we have overloaded the “+” operator. Whenever we add to Person objects together, it will now create a new object with the combined names…

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• Miss Open World? View this Roadmap Presentation

  - by PeopleTools Strategy

  If you were unable to attend Oracle Open World in September, you missed out on some important PeopleSoft messages.  Don't despair!  You now have a chance to receive an update on PeopleSoft’s presence at Oracle OpenWorld 2013 and the key messages delivered there. You can view the “PeopleSoft Update and Roadmap” webcast found here on the Quest Users Group site.  (Note: this is available with a FREE subscriber account.  Anyone can sign up here at no cost. This webcast recording presents the significant adoption and momentum behind PeopleSoft 9.2.  Viewers will also learn about the new release model for continuously delivering new capabilities to PeopleSoft customers at a lower cost enabled by the new PeopleSoft Update Manager.  There are also compelling live demonstrations of the major investment areas for PeopleSoft including a new PeopleSoft user experience enabling mobile solutions as well as In-Memory PeopleSoft applications.

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• Object desing problem for simple school application

  - by Aragornx

  I want to create simple school application that provides grades,notes,presence,etc. for students,teachers and parents. I'm trying to design objects for this problem and I'm little bit confused - because I'm not very experienced in class designing. Some of my present objects are : class PersonalData() { private String name; private String surename; private Calendar dateOfBirth; [...] } class Person { private PersonalData personalData; } class User extends Person { private String login; private char[] password; } class Student extends Person { private ArrayList<Counselor> counselors = new ArrayList<>(); } class Counselor extends Person { private ArrayList<Student> children = new ArrayList<>(); } class Teacher extends Person { private ArrayList<ChoolClass> schoolClasses = new ArrayList<>(); private ArrayList<Subject> subjects = new ArrayList<>(); } This is of course a general idea. But I'm sure it's not the best way. For example I want that one person could be a Teacher and also a Parent(Counselor) and present approach makes me to have two Person objects. I want that user after successful logging in get all roles that it has (Student or Teacher or (Teacher & Parent) ). I think I should make and use some interfaces but I'm not sure how to do this right. Maybe like this: interface Role { } interface TeacherRole implements Role { void addGrade( Student student, Grade grade, [...] ); } class Teacher implements TeacherRole { private Person person; [...] } class User extends Person{ ArrayList<Role> roles = new ArrayList<>(); } Please if anyone could help me to make this right or maybe just point me to some literature/article that covers practical objects design.

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• Setting up lvm with HDD and SSD

  - by stonegrizzly

  My current hard drive is just about full and rather than just toss it and get a new one (since it works fine), I want to get a new drive and set them both up using lvm. While I'm at it, I also want to get an SSD to install the OS and applications on. This is my plan: Put / on the SSD (one partition) Put /tmp on a ram disk Put /var on a partition on my new drive Put /home on the rest of the new drive and my current drive using lvm. My goals are: Speed up boot time and application launch Minimize unnecessary writes to the SSD Never have to worry about which disk/partition to store my files on. I want the OS & lvm to take care of that Does this make sense? I'm fairly experienced with Ubuntu but I've never dealt with lvm before.

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• Creating Reusable JSF Components with JDeveloper 11g

  New online demo

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• Open a popup window from Silverlight

  - by Emanuele Bartolesi

  Silverlight has a method called HtmlPage.PopupWindow() that opens new web browser window with a specific page. You can find this method in the namespace System.Windows.Browser. If you haven’t in your project, add a reference to System.Windows.Browser. The method HtmlPage.PopupWindow() has three parameters: Uri – location to browse String – the target window HtmlPopupWindowOptions – a class with the window options (full list of properties http://msdn.microsoft.com/en-us/library/system.windows.browser.htmlpopupwindowoptions(v=vs.95).aspx) For a security reason of Silverlight the call to HtmlPage.PopupWindow() is allowed through any user input like a button, hyperlink, etc. The code is very simple: var options = new HtmlPopupWindowOptions {Left = 0, Top = 0, Width = 800, Height = 600}; if (HtmlPage.IsPopupWindowAllowed) HtmlPage.PopupWindow(new Uri("http://geekswithblogs.net/"), "new", options); The property IsPopupWindowAllowed is used to check whether the window is enabled to open popup.

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• Restoring factory recovery partition (samsung)

  - by user974896

  I have upgraded the HDD in a Samsung laptop and would like to restore the "Press F4 for recovery" partition. My new disk has three partitions, System, Windows, and Recovery. I did a dd of the recovery partition from the old HDD to the new. I also set the diag flag on the new HDD. F4 recovery still is not working. tldr: I mapped my new disk like my old disk with the exception of exact sizes. I did the recover partition from old to new via livecd. F4 recovery does not work

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• Can I redirect the HTTP request towards an old folder to the homepage using .htaccess file?

  - by AndreaNobili

  I have to following situation: I had an old blog that was made using Joomla (this blog was indexed well enough by search engines). For some problems I delete it and I have create it again using WordPress. Now I have many visit (from Google) that leading to specific pages of the old site (pages that don't exist in the new version). For example I have visit to URL as: /scorejava/index.php/corso-spring-mvc/1-test that don't exist on my new site. I would know if using the .htaccess file (or other sistem) I can redirect the HTTP request directed to some subfolder (that don't exist in the new version) to the homepage of my new site. For example I have the request towards the void URL: /scorejava/index.php/corso-spring-mvc/1-test. And I would create a regular expression that say something like: all the request toward the subfolder corso-spring-mvc (and all it's content file and subfolder) have to be redirected to www.scorejava.com. Is it possible?

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• Mousin' down the PathListBox

  - by T

  While modifying the standard media player with a new look and feel for Ineta Live I saw a unique opportunity to use their logo with a dotted I with and attached arc as the scrub control. So I created a PathListBox that I wanted an object to follow when a user did a click and drag action.  Below is how I solved the problem.  Please let me know if you have improvements or know of a completely different way.  I am always eager to learn. First, I created a path using the pen tool in Expression Blend (see the yellow line in image below).  Then I right clicked that path and chose [Path] --> [Make Layout Path].   That created a new PathListBox.  Then I chose the object I want to move down the new PathListBox and Placed it as a child in the Objects and Timeline window (see image below).  If the child object (the thing the user will click and drag) is XAML, it will move much smoother than images. Just as another side note, I wanted there to be no highlight when the user selects the “ball” to drag and drop.  This is done by editing the ItemContainerStyle under Additional Templates on the PathListBox.  Post a question if you need help on this and I will expand my explanation. Here is a pic of the object and the path I wanted it to follow.  I gave the path a yellow solid brush here so you could see it but when I lay this over another object, I will make the path transparent.   To animate this object down the path, the trick is to animate the Start number for the LayoutPath.  Not the StartItemIndex, the Start above Span. In order to enable animation when a user clicks and drags, I put in the following code snippets in the code behind. the DependencyProperties are not necessary for the Drag control. namespace InetaPlayer{ public partial class PositionControl : UserControl { private bool _mouseDown; private double _maxPlayTime; public PositionControl() { // Required to initialize variables InitializeComponent(); //mouse events for scrub control positionThumb.MouseLeftButtonDown += new MouseButtonEventHandler(ValueThumb_MouseLeftButtonDown); positionThumb.MouseLeftButtonUp += new MouseButtonEventHandler(ValueThumb_MouseLeftButtonUp); positionThumb.MouseMove += new MouseEventHandler(ValueThumb_MouseMove); positionThumb.LostMouseCapture += new MouseEventHandler(ValueThumb_LostMouseCapture); } // exposed for binding to real slider using a DependencyProperty enables animation, styling, binding, etc.... public double MaxPlayTime { get { return (double)GetValue(MaxPlayTimeProperty); } set { SetValue(MaxPlayTimeProperty, value); } } public static readonly DependencyProperty MaxPlayTimeProperty = DependencyProperty.Register("MaxPlayTime", typeof(double), typeof(PositionControl), null);   // exposed for binding to real slider using a DependencyProperty enables animation, styling, binding, etc....   public double CurrSliderValue { get { return (double)GetValue(CurrSliderValueProperty); } set { SetValue(CurrSliderValueProperty, value); } }   public static readonly DependencyProperty CurrSliderValueProperty = DependencyProperty.Register("CurrSliderValue", typeof(double), typeof(PositionControl), new PropertyMetadata(0.0, OnCurrSliderValuePropertyChanged));   private static void OnCurrSliderValuePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { PositionControl control = d as PositionControl; control.OnCurrSliderValueChanged((double)e.OldValue, (double)e.NewValue); }   private void OnCurrSliderValueChanged(double oldValue, double newValue) { _maxPlayTime = (double) GetValue(MaxPlayTimeProperty); if (!_mouseDown) if (_maxPlayTime!=0) sliderPathListBox.LayoutPaths[0].Start = newValue / _maxPlayTime; else sliderPathListBox.LayoutPaths[0].Start = 0; }  //mouse control   void ValueThumb_MouseMove(object sender, MouseEventArgs e) { if (!_mouseDown) return; //get the offset of how far the drag has been //direction is handled automatically (offset will be negative for left move and positive for right move) Point mouseOff = e.GetPosition(positionThumb); //Divide the offset by 1000 for a smooth transition sliderPathListBox.LayoutPaths[0].Start +=mouseOff.X/1000; _maxPlayTime = (double)GetValue(MaxPlayTimeProperty); SetValue(CurrSliderValueProperty ,sliderPathListBox.LayoutPaths[0].Start*_maxPlayTime); }   void ValueThumb_MouseLeftButtonUp(object sender, MouseButtonEventArgs e) { _mouseDown = false; } void ValueThumb_LostMouseCapture(object sender, MouseEventArgs e) { _mouseDown = false; } void ValueThumb_MouseLeftButtonDown(object sender, MouseButtonEventArgs e) { _mouseDown = true; ((UIElement)positionThumb).CaptureMouse(); }   }}  I made this into a user control and exposed a couple of DependencyProperties in order to bind it to a standard Slider in the overall project.  This control is embedded into the standard Expression media player template and is used to replace the standard scrub bar.  When the player goes live, I will put a link here.

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• how to use rsa in application i found code but dont know how to implement [closed]

  - by Smart Guy

  HOW TO I USE THIS RSA http://xtrace.blogspot.com/2012/03/rsa-demo-example.html?showComment=1349091173502#c199333123405145467 TUTOTIAL CODE IN MY LOGIN CODE BELOW I found code but dnt know how to implement public class LoginScreen extends Activity implements OnClickListener{ public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.login.xml); TextView lblMobileNo = (TextView)findViewById(R.id.lblMobileNo); lblMobileNo.setTextColor(getResources().getColor(R.color.text_color_red)); mobile = (EditText)findViewById(R.id.txtMobileNo); TextView lblPinNo = (TextView)findViewById(R.id.lblPinNo); lblPinNo.setTextColor(getResources().getColor(R.color.text_color_red)); pin = (EditText)findViewById(R.id.txtPinNo); btnLogin = (Button)findViewById(R.id.btnLogin); btnClear = (Button)findViewById(R.id.btnClear); btnLogin.setOnClickListener(new OnClickListener() { public void onClick(View view) { postLoginData(); } }); btnClear.setOnClickListener(new OnClickListener() { public void onClick(View v) { cleartext(); } }); /* btnClear.setOnClickListener(new OnClickListener() { public void onClick(View arg0) { } }); */ } public void postLoginData() { Intent i = new Intent(this.getApplicationContext(),NEWCLASS.class); Bundle bundle = new Bundle(); bundle.putString("mno", mobile.getText().toString()); bundle.putString("pinno", pin.getText().toString()); i.putExtras(bundle); startActivity(i); } } @Override public void onClick(View v) { } public void cleartext() { { pin.setText("") ; mobile.setText(""); } } }

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• Website Remodel Redirects

  - by inKit

  We've recently built a site for a new client who has not inserted all the content that they had from their old site into their new one. Also a lot of content is dynamic with ID's not matching from the old site to the new one. We have added dynamic redirects for most of the patterns we could find in pages that were 404ing, but there are still a lot of pages that had content, or just jumbled urls that we cannot match up with content pages on the new site. Is it better to redirect these leftover pages to the homepage? Or leave them 404ing?

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• Telerik OpenAccess ORM and the XML Metadata Source

  We all know that Telerik OpenAccess ORM has a completely new face with the Q1 2010 release so it is about time to start blogging about some of the features and improvements that the new Visual Designer brought along.  Today I will talk about one of the most notable changes in the new version of OpenAccess ORM and that is the XML only mapping. You all know that so far with the previous versions of the product the mapping information was defined by a mix of XML configuration files and CLR attributes. After a lot of customer feedback and thorough thought we decided to make the XML and the attributes as two separate and self-contained sources of metadata information about your model. You can choose one based on your personal preferences. I will start with a brief overview over the new XML mapping definition. Unlike previous versions, where all ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Entity System with C++ templates

  - by tommaisey

  I've been getting interested in the Entity/Component style of game programming, and I've come up with a design in C++ which I'd like a critique of. I decided to go with a fairly pure Entity system, where entities are simply an ID number. Components are stored in a series of vectors - one for each Component type. However, I didn't want to have to add boilerplate code for every new Component type I added to the game. Nor did I want to use macros to do this, which frankly scare me. So I've come up with a system based on templates and type hinting. But there are some potential issues I'd like to check before I spend ages writing this (I'm a slow coder!) All Components derive from a Component base class. This base class has a protected constructor, that takes a string parameter. When you write a new derived Component class, you must initialise the base with the name of your new class in a string. When you first instantiate a new DerivedComponent, it adds the string to a static hashmap inside Component mapped to a unique integer id. When you subsequently instantiate more Components of the same type, no action is taken. The result (I think) should be a static hashmap with the name of each class derived from Component that you instantiate at least once, mapped to a unique id, which can by obtained with the static method Component::getTypeId ("DerivedComponent"). Phew. The next important part is TypedComponentList<typename PropertyType>. This is basically just a wrapper to an std::vector<typename PropertyType> with some useful methods. It also contains a hashmap of entity ID numbers to slots in the array so we can find Components by their entity owner. Crucially TypedComponentList<> is derived from the non-template class ComponentList. This allows me to maintain a list of pointers to ComponentList in my main ComponentManager, which actually point to TypedComponentLists with different template parameters (sneaky). The Component manager has template functions such as: template <typename ComponentType> void addProperty (ComponentType& component, int componentTypeId, int entityId) and: template <typename ComponentType> TypedComponentList<ComponentType>* getComponentList (int componentTypeId) which deal with casting from ComponentList to the correct TypedComponentList for you. So to get a list of a particular type of Component you call: TypedComponentList<MyComponent>* list = componentManager.getComponentList<MyComponent> (Component::getTypeId("MyComponent")); Which I'll admit looks pretty ugly. Bad points of the design: If a user of the code writes a new Component class but supplies the wrong string to the base constructor, the whole system will fail. Each time a new Component is instantiated, we must check a hashed string to see if that component type has bee instantiated before. Will probably generate a lot of assembly because of the extensive use of templates. I don't know how well the compiler will be able to minimise this. You could consider the whole system a bit complex - perhaps premature optimisation? But I want to use this code again and again, so I want it to be performant. Good points of the design: Components are stored in typed vectors but they can also be found by using their entity owner id as a hash. This means we can iterate them fast, and minimise cache misses, but also skip straight to the component we need if necessary. We can freely add Components of different types to the system without having to add and manage new Component vectors by hand. What do you think? Do the good points outweigh the bad?

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• Team Productivity Center, SOA and WebCenter Extensions

  Integrate with the new products

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• Memory Management as a Separate Thread

  New technique for hard-to-parallelize programs Programming - Memory management - Hardware - C++ - Languages

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• Java EE 7 support in Eclipse 4.3

  - by arungupta

  Eclipse Kepler (4.3) features 71 different open source projects and over 58 million LOC. One of the main themes of the release is the support for Java EE 7. Kepler specifically added support for the features mentioned below: Create Java EE 7 Eclipse projects or using Maven New facets for JPA 2.1, JSF 2.2, Servlet 3.1, JAX-RS 2.0, EJB 3.2 Schemas and descriptors updated for Java EE 7 standards (web.xml, application.xml, ejb-jar.xml, etc) Tolerance for JPA 2.1 such as features can be used without causing invalidation and content assist for UI (JPA 2.1) Support for NamedStoredProcedureQuery (JPA 2.1) Schema generation configuration in persistence.xml (JPA 2.1) Updates to persistence.xml editor with the new JPA 2.1 properties Existing features support EE7 (Web Page Editor, Palette, EL content assist, annotations, JSF tags, Facelets, etc) Code generation wizards tolerant of EE7 (New EJB, Servlet, JSP, etc.) A comprehensive list of features added in this release is available in Web Tools Platform 3.5 - New and Noteworthy. Download Eclipse 4.3 and Java EE 7 SDK and start playing with Java EE 7! Oracle Enterprise Pack for Eclipse was released recently that uses Eclipse Kepler RC3 but will be refreshed soon to include the final bits.

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• Windows Embedded Compact 7 in Padua

  - by Valter Minute

  Yesterday I did a presentation about Windows CE at the University of Padua Even if the picture seems to suggest that I just showed and empty slide, I illustrated the new features of the OS and did a quick demo of Silverlight for Windows Embedded on Windows Embedded Compact 7 (I’ve to get used to this new name), showing the new tools that provide a better integration between Expression Blend and Visual Studio for the development of Silverlight applications (I hope to be able to write more on this topic soon!). The Operating System was running on some real hardware (TI OMAP3530 evaluation board) and many people had a chance to interact with the new customizable shell. Most of the 60 people attending were still awake at the end of the one hour and a half session, and some of them even asked questions! I would like to thank all the people attending and all the people of Arrow, Fortech Embedded Labs and the University of Padua that made this event possible and provide me the tool and the time to do this presentation. Technorati Tags: Windows Embedded Compact 7

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• Could a singleton type replace static methods and classes?

  - by MKO

  In C# Static methods has long served a purpose allowing us to call them without instantiating classes. Only in later year have we became more aware of the problems of using static methods and classes. They can’t use interfaces They can’t use inheritance They are hard to test because you can’t make mocks and stubs Is there a better way ? Obviously we need to be able to access library methods without instantiated classes all the time otherwise our code would become pretty cluttered One possibly solution is to use a new keyword for an old concept: the singleton. Singleton’s are global instances of a class, since they are instances we can use them as we would normal classes. In order to make their use nice and practical we'd need some syntactic sugar however Say that the Math class would be of type singleton instead of an actual class. The actual class containing all the default methods for the Math singleton is DefaultMath, which implements the interface IMath. The singleton would be declared as singleton Math : IMath { public Math { this = new DefaultMath(); } } If we wanted to substitute our own class for all math operations we could make a new class MyMath that inherits DefaultMath, or we could just inherit from the interface IMath and create a whole new Class. To make our class the active Math class, you'd do a simple assignment Math = new MyMath(); and voilá! the next time we call Math.Floor it will call your method. Note that for a normal singleton we'd have to write something like Math.Instance.Floor but the compiler eliminates the need for the Instance property Another idea would be to be able to define a singletons as Lazy so they get instantiated only when they're first called, like lazy singleton Math : IMath What do you think, would it have been a better solution that static methods and classes? Is there any problems with this approach?

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• Sneak Peek: Reports In Visual Studio 2010, WPF & Silverlight

  The DevExpress Reports team has been busy preparing for the DXperience v2010.1 release. Im happy to report that theyre hard work has paid off and the new items for v2010.1 look fantastic: Complete Support for Visual Studio 2010 The XtraReports Suite now fully supports the new Microsoft IDE providing the same feature set as for the previous Visual Studio versions: Create new reports using templates available through the Add New Item dialog Use fully-integrated report designer with native...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• how do I fix 12.04 which has crashed after the latest update

  - by user70261

  I added a new drive to my system because the old one was full and stopped. I installed 12.04 at the same time, onto the new drive using a flash disk while off line. The system performs fine on 12.04 from the flash disk and it booted from the new drive OK and I was able to recover all my old data. The updater suggested that I update, so I went ahead and did so. At the end of which it wanted to reboot. I went ahead but on reboot I get to the log in prompt and then the whole system crashes. It tries to recover and then performs a bug report during which it tells me that a whole bunch of files are out of date (these would be the new ones I just updated!) and the screen goes black. Game over. I've tried to reboot several times ... same result. I can boot off the flash drive OK. How do I restore the system I had before the update, without over writing all my hard earned recovered data? Or how do I identify the "new updates" that are causing me grief?

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