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• Optimizing hierarchical transform

  - by Geotarget

  I'm transforming objects in 3D space by transforming each vector with the object's 4x4 transform matrix. In order to achieve hierarchical transform, I transform the child by its own matrix, and then the child by the parent matrix. This becomes costly because objects deeper in the display tree have to be transformed by all the parent objects. This is what's happening, in summary: Root -- transform its verts by Root matrix Parent -- transform its verts by Parent, Root matrix Child -- transform its verts by Child, Parent, Root matrix Is there a faster way to transform vertices to achieve hierarchical transform? What If I first concatenated each transform matrix with the parent matrices, and then transform verts by that final resulting matrix, would that work and wouldn't that be faster? Root -- transform its verts by Root matrix Parent -- concat Parent, Root matrices, transform its verts by Concated matrix Child -- concat Child, Parent, Root matrices, transform its verts by Concated matrix

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• Example usage of a custom delegate in c#

  - by Freakishly

  Hi, I found this question on SO about a tree implementation in C#. I have no idea about delegates and I was wondering how the following code could be used to implement a tree. Also, what would be the most efficient way to keep a track of parent nodes? delegate void TreeVisitor<T>(T nodeData); class NTree<T> { T data; LinkedList<NTree<T>> children; public NTree(T data) { this.data = data; children = new LinkedList<NTree<T>>(); } public void addChild(T data) { children.AddFirst(new NTree<T>(data)); } public NTree<T> getChild(int i) { foreach (NTree<T> n in children) if (--i == 0) return n; return null; } public void traverse(NTree<T> node, TreeVisitor<T> visitor) { visitor(node.data); foreach (NTree<T> kid in node.children) traverse(kid, visitor); } }

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• Wordpress displays posts of category ID

  - by Miker

  Can't seem to find the right answer for what I thought would be trivial. I have some categories arranged like this... Parent Category 1 - Child Category 1 - Child Category 2 - Child Category 3 ...and I have some posts that are in Child Category 2. I want my page to display all posts from the category I am currently in. This is what I am doing right now: <?php query_posts('cat=2&showposts=10'); if (have_posts()) : while (have_posts()) : the_post(); ?> <div class="timeline"> <h3><?php the_title(); ?></h3> <?php the_content();?> <?php endwhile; else: ?> <?php _e('No Posts Sorry.'); ?> <?php endif; ?> </div> As you can see I am having to manually specify the category (cat=2), but instead I want it to automatically detect the category I am already in and display the posts (that way if I'm in a different category it will display those posts). Any suggestions? Thanks in advance. (SO Community = Awesome Sauce).

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• error C3662: override specifier 'new' only allowed on member functions of managed classes

  - by William

  Okay, so I'm trying to override a function in a parent class, and getting some errors. here's a test case #include <iostream> using namespace std; class A{ public: int aba; void printAba(); }; class B: public A{ public: void printAba() new; }; void A::printAba(){ cout << "aba1" << endl; } void B::printAba() new{ cout << "aba2" << endl; } int main(){ A a = B(); a.printAba(); return 0; } And here's the errors I'm getting: Error 1 error C3662: 'B::printAba' : override specifier 'new' only allowed on member functions of managed classes c:\users\test\test\test.cpp 12 test Error 2 error C2723: 'B::printAba' : 'new' storage-class specifier illegal on function definition c:\users\test\test\test.cpp 19 test How the heck do I do this?

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• Windows Forms: Unable to Click to Focus a MaskedTextBox in a Non TopLevel Form

  - by Overhed

  Like the title says, I've got a Child form being shown with it's TopLevel property set to False and I am unable to click a MaskedTextBox control that it contains (in order to bring focus to it). I can bring focus to it by using TAB on the keyboard though. The child form contains other regular TextBox controls and these I can click to focus with no problems, although they also exhibit some odd behavior: for example if I've got a value in the Textbox and I try to drag-click from the end of the string to the beginning, nothing happens. In fact I can't use my mouse to move the cursor inside the TextBox's text at all (although they keyboard arrow keys work). I'm not too worried about the odd TextBox behavior, but why can't I activate my MaskedTextBox by clicking on it? Below is the code that shows the form: Dim newReportForm As New Form Dim formName As String Dim FullTypeName As String Dim FormInstanceType As Type formName = TreeView1.SelectedNode.Name FullTypeName = Application.ProductName & "." & formName FormInstanceType = Type.GetType(FullTypeName, True, True) newReportForm = CType(Activator.CreateInstance(FormInstanceType), Form) Try newReportForm.Top = CType(SplitContainer1.Panel2.Controls(0), Form).Top + 25 newReportForm.Left = CType(SplitContainer1.Panel2.Controls(0), Form).Left + 25 Catch End Try newReportForm.TopLevel = False newReportForm.Parent = SplitContainer1.Panel2 newReportForm.BringToFront() newReportForm.Show()

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• Hiding Opetions of a Selection with JQuery

  - by Syed Abdul Rahman

  Okay, let's start with an example. <select id = "selection1">     <option value = "1" id = "1">Number 1</option>     <option value = "2" id = "2">Number 2</option>     <option value = "3" id = "3">Number 3</option> </select> Now from here, we have a dropdown with 3 options. What I want to do now is to hide an option. Adding style = "display:none" will not help. The option would not appear in the dropdownlist, but using the arrow keys, you can still select it. Essentially, it does exactly what the code says. It isn't displayed, and it stops there. A JQuery function of $("1").hide() will not work. Plus, I don't only want to hide the option, I want to completely remove it. Any possibility on doing so? Do I have to use parent/sibling/child elements? If so, I'm still not sure how. Any help on this would be greatly appreciated. Thanks.

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• Linking Listbox child categories

  - by Gerardo Abdo

  Hello I have few monhts working with aspx, and now I'm developing a shopping cart website. For the employee to upload the products on the DB, every product needs to be linked to a category and sub category, and sub-sub category, and so on. Sometimes the sub-sub categories are up to 5. For example Electronics-TV-LCD-Samsung-40 inches. First, What I would like to identify is if the SQL table has the apporpiate structure. I have 3 columns Id, Description, Parent_Id. Categories with Parent Id=0 is used for the top ones. Is this the best way to do it? Then I want to use the ListBox control to select main Categories, and once it is selected, filled a second listbox with its childs and so on. Do I need to query SQL DB everytime the change event happens? I heard about linq but have not used yet, What would be your suggestion to do this. If you have seen a sample to understand it better will be appreciated. Thank you

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• How to transform vertical table into horizontal table?

  - by avivo

  Hello, I have one table Person: Id Name 1 Person1 2 Person2 3 Person3 And I have its child table Profile: Id PersonId FieldName Value 1 1 Firstname Alex 2 1 Lastname Balmer 3 1 Email [email protected] 4 1 Phone +1 2 30004000 And I want to get data from these two tables in one row like this: Id Name Firstname Lastname Email Phone 1 Person1 Alex Balmer [email protected] +1 2 30004000 What is the most optimized query to get these vertical (key, value) values in one row like this? Now I have a problem that I done four joins of child table to parent table because I need to get these four fields. Some optimization is for sure possible. I would like to be able to modify this query in easy way when I add new field (key,value). What is the best way to do this? To create some StoreProcedure? I would like to have strongly types in my DB layer (C#) and using LINQ (when programming) so it means when I add some new Key, Value pair in Profile table I would like to do minimal modifications in DB and C# if possible. Actually I am trying to get some best practices in this case.

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• JQuery Delegate and using traveral options in function

  - by Brian

  I am having trouble figuring out how to use the JQuery delegate function to do what I require. Basically, I need to allow users to add Panels (i.e. divs) to a form dynamically by selecting a button. Then when a user clicks a button within a given Panel, I want to be able to to something to that Panel (like change the color in this example). Unfortunately, it seems that references to the JQuery traversing functions don't work in this instance. Can anybody explain how to achieve this effect? Is there anyway to bind a different delegate to the each panel as its added. $('.addPanels').delegate('*', 'click', function() { $(this).parent.css('background-color', 'black'); $('.placeholder').append('Add item'); }); <div class="addPanels"> <div class="panel"> <a href="#" class="addLink">Add item</a> text</div> <div class="placeholder"/> </div> </div>

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• FormStartPosition.CenterParent does not work

  - by kol

  In the following code, only the second method works for me (.NET 4.0). FormStartPosition.CenterParent does not center the child form over its parent. Why? Source: this SO question using System; using System.Drawing; using System.Windows.Forms; class Program { private static Form f1; public static void Main() { f1 = new Form() { Width = 640, Height = 480 }; f1.MouseClick += f1_MouseClick; Application.Run(f1); } static void f1_MouseClick(object sender, MouseEventArgs e) { Form f2 = new Form() { Width = 400, Height = 300 }; switch (e.Button) { case MouseButtons.Left: { // 1st method f2.StartPosition = FormStartPosition.CenterParent; break; } case MouseButtons.Right: { // 2nd method f2.StartPosition = FormStartPosition.Manual; f2.Location = new Point( f1.Location.X + (f1.Width - f2.Width) / 2, f1.Location.Y + (f1.Height - f2.Height) / 2 ); break; } } f2.Show(f1); } }

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• EF4 querying from parent to grandchildren

  - by Hans Kesting

  I have a model withs Parents, Children and Grandchildren, in a many-to-many relationship. Using this article I created POCO classes that work fine, except for one thing I can't yet figure out. When I query the Parents or Children directly using LINQ, the SQL reflects the LINQ query (a .Count() executes a COUNT in the database and so on) - fine. The Parent class has a Children property, to access it's children. But (and now for the problem) this doesn't expose an IQueryable interface but an ICollection. So when I access the Children property on a particular parent all the Parent's Children are read. Even worse, when I access the Grandchildren (theParent.Children.SelectMany(child => child.GrandChildren).Count()) then for each and every child a separate request is issued to select all data of it's grandchildren. That's a lot of separate queries! Changing the type of the Children property from ICollection to IQueryable doesn't solve this. Apart from missing methods I need, like Add() and Remove(), EF just doesn't recognize the navigation property then. Are there correct ways (as in: low database interaction) of querying through children (and what are they)? Or is this just not possible?

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• How to use jquery+thickbox open the SubForm, and pass the value to parent form

  - by Curie

  like this example: aa.jsp(parent form) <head> <script language="javascript" type="text/javascript" src="<%=basePath%>js/jquery-1.7.2.min.js"></script> <script language="javascript" type="text/javascript" src="<%=basePath%>js/thickbox.js"></script> <link rel="stylesheet" type="text/css" href="<%=basePath%>js/thickbox.css"> </head> <body> <a href="bb.jsp?TB_iframe=true&placeValuesBeforeTB_=savedValues&height=400&width=170" title="input value" class="thickbox"> <input type="text" name="txtA" id="txtA"/> </a> </body> I use the js of jquery and thickbox in the head. And apply them. Click txt textbox to open sub page. bb.jsp(sub form): <body> <input type="text" name="txtB" id="txtB"> </body> There is one textbox txtB in sub page. How could I type the context in textbox txtB of bb.jsp, and pass the context to parent page of aa.jsp. Then the context will be diaplayed in textbox txtA in parent page.

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• Setting the target and parent dropdown values from a DB when using CascadingDropDown

  - by Ryan

  Hi, I have two dropdown lists with Cascading Dropdown, in the usual fashion: <asp:DropDownList ID="DropDownListIndustry" runat="server" DataSourceID="SqlDataSourceIndustries" DataTextField="name" DataValueField="industry_id" AppendDataBoundItems=" <asp:ListItem Text="(Please Select)" Value="-1" /> </asp:DropDownList> &nbsp;&nbsp; <ajax:CascadingDropDown ID="CascadingDropDownIndustry" runat="server" ParentControlID="DropDownListIndustry" TargetControlID="DropDownListSubIndustry" ServicePath="AjaxDataProvider.asmx" ServiceMethod="GetSubIndustry" Category="SubIndustry" /> <asp:DropDownList ID="DropDownListSubIndustry" runat="server"/> No surprises there. However, I sometimes want to set the values of the parent and target from a DB (I want to default them, based on a code entered by the user; the whole thing is wrapped in an update panel). So if the user keys in ABC, I look up ABC in the DB and default the Parent DropDown to ID 10 and Child DropDown to ID 101. However, this fails because the child has no items when the server side code runs (the web script method hasn't run, because the content of the parent dd wasn't changed on the client side) Does anybody know how to work around this? Thanks for any help! Ryan

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• JavaScript access parent window from popup windows

  - by user359472

  I am trying to code this for hours and still couldn't do it. It keep tell me "Permission Denied". Here is what I am trying to accomplish. This pretty hard to explain please follow the example below. For example. domain111.com and domain222.com. When I am on domain111.com i click on the popup link , it will pop-up the domain111.com/popup.html then it redirect me to domain222.com. On this domain222.com it will redirect to couple pages before it redirect back to domain111.com with the result. I want to send the result from domain111.com to domain111.com. The process is like below. Domain111-popup to--Domain111-redirect--Domain222-redirect xxx Domain222 pages then redirect to---Domain111---SEND to parent window-Domain11 Here is my code. File name 1.hml on domain111.com <script type="text/javascript"> function IamParent() { alert('I am the parent of this window') } function PopUP() { window.open("http://domain222.com/2.htm", 'ALpop').focus(); } </script> <body> <a href="#void(0);" onclick="PopUP();" >Click</a> </body> File name 2.html on domain222.com <head> <title></title> <meta http-equiv="refresh" content="1;url=http://domain111.com/3.htm?Result=Yes" /> </head> Filename 2.htm on domain111.com <script type="text/javascript"> parent.IamParent(); //execute the function from the same domain111.com/1.htm </script> Please don't suggest AJAX or web request because it will not work with this case. Thanks for reading.

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• Redirect parent of a page from a cfwindow

  - by Ryan French

  Hi All, I have a page with cfwindow that require the user to be logged in to view the content on the page. The problem at the moment is if the user logs into the site, then does nothing and the session times out, I have no way that I can think of to redirect the parent of the window to the login screen when the user opens it. So far I have tried using cflocation but that has no way of specifying the container that should be redirected (i.e. the page in the window is being redirected but not the windows parent). I have also thought about using a hidden input with a value based on the session which is then check with Body onLoad event but currently this doesnt work with how the pages have been setup. The last option I have is to check the session variable on loading the window and then closing it if the user is not logged in, which will cause the parent to refresh and redirect to login anyway. However I cant find a way to close a cfwindow without using javascript. Thanks for any help you can give.

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• spring - constructor injection and overriding parent definition of nested bean

  - by mdma

  I've read the Spring 3 reference on inheriting bean definitions, but I'm confused about what is possible and not possible. For example, a bean that takes a collaborator bean, configured with the value 12 <bean name="beanService12" class="SomeSevice"> <constructor-arg index="0"> <bean name="beanBaseNested" class="SomeCollaborator"> <constructor-arg index="0" value="12"/> </bean> </constructor-arg> </bean> I'd then like to be able to create similar beans, with slightly different configured collaborators. Can I do something like <bean name="beanService13" parent="beanService12"> <constructor-arg index="0"> <bean> <constructor-arg index="0" value="13"/> </bean> </constructor> </bean> I'm not sure this is possible and, if it were, it feels a bit clunky. Is there a nicer way to override small parts of a large nested bean definition? It seems the child bean has to know quite a lot about the parent, e.g. constructor index. I'd prefer not to change the structure - the parent beans use collaborators to perform their function, but I can add properties and use property injection if that helps. This is a repeated pattern, would creating a custom schema help? Thanks for any advice!

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• WPF, notify a child in the element tree about an event in a parent

  - by jester

  I am developing a WPF app and I want an event in a parent to be notified to several of its children in the element tree, so that each of them can take an action accordingly. I know that a custom RoutedEvent can be used to signal in the other direction from a child to one of its ancestors by bubbling the event upwards, so that any of the ancestor elements can handle the event. What I want is the children to be notified about an event in the parent and they handle them appropriately. What is the best strategy to achieve this? EDIT: Clarifying the comments : Say I have a parent UserControl. It has a TabControl and its contents are several nested child UserControls. Now consider a scenario where I want the TabControl.SelectionChanged() event to cause some changes in each of the child UserControl. How to achieve this? (The contents of each tab is a UserControl which themselves may contain another few levels of children UserControls. I want the UserControl in the bottom level to know about the SelectionChanged() event and respond accordingly).

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• Maven: trying to get my submodule's poms to NOT inherit a plugin in the parent

  - by jobrahms

  My project has a parent pom and several submodule poms. I've put a plugin in the parent that is responsible for building our installer distributables (using install4j). It doesn't make sense to have this plugin run on the submodules, so I've put false in the plugin's config, as seen below. The problem is, when I run mvn clean install install4j:compile it cleans, compiles, and runs the install4j plugin on the parent, but then it tries to run it on the child modules and crashes. Here's the plugin config <plugin> <groupId>com.google.code.maven-install4j</groupId> <artifactId>maven-install4j-plugin</artifactId> <version>0.1.1</version> <inherited>false</inherited> <configuration> <executable>${devenv.install4jc}</executable> <configFile>${basedir}/newinstaller/ehd-demo.install4j</configFile> <releaseId>${project.version}</releaseId> <attach>false</attach> <skipOnMissingExecutable>true</skipOnMissingExecutable> </configuration> </plugin> Am I misunderstanding the purpose of inherited=false? What is the correct way to get this to work? I'm using maven 2.2.0.

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• center div tags inside parent div

  - by Senthilnathan

  I have two div tags inside a parent div. I want to display the two divs in same line and centered. Below is the html code. <div id="parent"> <div id="addEditBtn" style="display:inline-block; vertical-align: middle; width:20px; cursor:pointer;" class="ui-state-default ui-corner-all"> <span class="ui-icon ui-icon-pencil"></span></div> <div id="deleteBtn" style="display:inline-block; vertical-align: middle; width:20px; cursor:pointer;" class="ui-state-default ui-corner-all"> <span class="ui-icon ui-icon-trash"></span></div> </div> I tried with "display:inline-block; vertical-align: middle;" but its getting aligned left. Please help me out to centered the div tags inside the parent div.

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• Give Access to a Subdirectory Without Giving Access to Parent Directories

  - by allquixotic

  I have a scenario involving a Windows file server where the "owner" wants to dole out permissions to a group of users of the following sort: \\server\dir1\dir2\dir3: Read & Execute and Write \\server\dir1\dir2: No permissions. \\server\dir1: No permissions. \\server: Read & Execute To my understanding, it is not possible to do this because Read & Execute permission must be granted to all the parent directories in a directory chain in order for the operating system to be able to "see" the child directories and get to them. Without this permission, you can't even obtain the security context token when trying to access the nested directory, even if you have full access to the subdirectory. We are looking for ways to get around this, without moving the data from \\server\dir1\dir2\dir3 to \\server\dir4. One workaround I thought of, but which I am not sure if it will work, is creating some sort of link or junction \\server\dir4 which is a reference to \\server\dir1\dir2\dir3. I am not sure which of the available options (if any) would work for this purpose if the user does not have Read & Execute permission on \\server\dir1\dir2 or \\server\dir1, but as far as I know, the options are these: NTFS Symbolic Link, Junction, Hard Link. So the questions: Are any of these methods suitable to accomplish my goal? Are there any other methods of linking or indirectly referencing a directory, which I haven't listed above, which might be suitable? Are there any direct solutions that don't involve granting Read & Execute to \\server\dir1 or \\server\dir2 but still allowing access to \\server\dir1\dir2\dir3?

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• Test first subnode from node.

  - by Kalinin

  XML: <cont> <mode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> </mode> <mode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> </mode> <mode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> <submode>lorem ipsum</submode> </mode> </cont> How to test first <submode> from each <mode> in such construction: <xsl:template match="submode"> <xsl:if test="(parent::mode) and (...what?...)"> ... </xsl:if> ... </xsl:template> I do not understand how use position() here.

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• jQuery: How to find and change multiply th classes between n & n

  - by Ravex

  Hi everyone. I have some table structure: <tr class="row-2"><tr> <tr class="row-3">..<tr> <tr class="row-4">..<tr> <tr class="row-5">..<tr> <tr class="row-6">..<tr> <tr class="row-7"><tr> <tr class="row-8">..<tr> <tr class="row-9">..<tr> <tr class="row-10">..<tr> <tr class="row-11">..<tr> ...etc for this example TR with classes "row-2" and "row-7" is parrent product link wich expand child rows. <script> $(function() { $('tr.parent') .css("cursor","pointer") .css("color","red") .attr("title","Click to expand/collapse") .click(function(){ $(this).siblings('.child-'+this.id).toggle(); }); $('tr[@class^=child-]').hide().children('td'); }); </script> Rows -3...-6 is child of row-2 and Rows -8...-11 is child of row-7 How i can find row-2, row-7, etc then add second class "parrent" and ID similar class (id="row-2", id="row-7", etc)? Also i need add in each TR between row-2 and row-7 class equal previous parrent row. In bottom line i need something like this: <tr class="row-2 parrent" id="row-2"><tr> <tr class="row-3 child-row2">..<tr> <tr class="row-4 child-row2">..<tr> <tr class="row-5 child-row2">..<tr> <tr class="row-6 child-row2">..<tr> <tr class="row-7 parrent" id="row-7"><tr> <tr class="row-8 child-row7">..<tr> <tr class="row-9 child-row7">..<tr> <tr class="row-10 child-row7">..<tr> <tr class="row-11 child-row7">..<tr> ..etc Thanks for any Help.

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• New project created with Flex Mojo's archetype throws Cannot Find Parent Project-Maven Exception

  - by ignorant

  This is probably a silly question but I just cant seem to figure out. I'm completely new to flex and maven. Maven 2.2.1: Maven 2.2.1 unzipped,M2_HOME set and repository altered to point to different drive location in settings.xml Flex 4.0: Installed Created a multi-modular webapp project using flexmojo: mvn archetype:generate -DarchetypeRepository=http://repository.sonatype.org/content/groups/flexgroup -DarchetypeGroupId=org.sonatype.flexmojos -DarchetypeArtifactId=flexmojos-archetypes-modular-webapp -DarchetypeVersion=RELEASE with following options groupId=com.test artifactId=test version=1.0-snapshot package=com.tests * Creates * test |-- pom.xml |--swc -pom.xml |--swf -pom.xml `--war -pom.xml Parent pom has swc, swf, war as modules. Dependency is war-swf-swc. With parent artifactId of swf, swc, war set to swf, swc, test respectively. On executing mvn on test folder(for that matter clean or anything) I get this following error. G:\Projects\testmvn -e + Error stacktraces are turned on. [INFO] Scanning for projects... Downloading: http://repo1.maven.org/maven2/com/test/swc/1.0-snapshot/swc-1.0-snapshot.pom [INFO] Unable to find resource 'com.test:swc:pom:1.0-snapshot' in repository central (http://repo1.maven.org/maven2) [INFO] ------------------------------------------------------------------------ [ERROR] FATAL ERROR [INFO] ------------------------------------------------------------------------ [INFO] Failed to resolve artifact. GroupId: com.test ArtifactId: swc Version: 1.0-snapshot Reason: Unable to download the artifact from any repository com.test:swc:pom:1.0-snapshot from the specified remote repositories: central (http://repo1.maven.org/maven2) [INFO] ------------------------------------------------------------------------ [INFO] Trace org.apache.maven.reactor.MavenExecutionException: Cannot find parent: com.test:swc for project: com.test:swc-swc:swc:1.0-snapshot for project com.test:swc-swc:swc:1.0-snapshot at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:404) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:272) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138) at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315) at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430) at org.codehaus.classworlds.Launcher.main(Launcher.java:375) Caused by: org.apache.maven.project.ProjectBuildingException: Cannot find parent: com.test:swc for project: com.test:swc-swc:swc:1.0-snapshot for project com.test:swc-swc:swc:1.0-snapshot at org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:1396) at org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:823) at org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProjectBuilder.java:508) at org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:200) at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:604) at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:487) at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:560) at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:391) ... 12 more Caused by: org.apache.maven.project.ProjectBuildingException: POM 'com.test:swc' not found in repository: Unable to download the artifact from any repository com.test:swc:pom:1.0-snapshot from the specified remote repositories: central (http://repo1.maven.org/maven2) for project com.test:swc at org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository(DefaultMavenProjectBuilder.java:605) at org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:1392) ... 19 more Caused by: org.apache.maven.artifact.resolver.ArtifactNotFoundException: Unable to download the artifact from any repository com.test:swc:pom:1.0-snapshot from the specified remote repositories: central (http://repo1.maven.org/maven2) at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:228) at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:90) at org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository(DefaultMavenProjectBuilder.java:558) ... 20 more Caused by: org.apache.maven.wagon.ResourceDoesNotExistException: Unable to download the artifact from any repository at org.apache.maven.artifact.manager.DefaultWagonManager.getArtifact(DefaultWagonManager.java:404) at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:216) ... 22 more [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1 second [INFO] Finished at: Tue Jun 15 19:22:15 GMT+02:00 2010 [INFO] Final Memory: 1M/2M [INFO] ------------------------------------------------------------------------ Looks like its trying to download the project from maven's central repository instead of building it. What am I missing?

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• Algorithm for dragging objects on a fixed grid

  - by FlyingStreudel

  Hello, I am working on a program for the mapping and playing of the popular tabletop game D&D :D Right now I am working on getting the basic functionality like dragging UI elements around, snapping to the grid and checking for collisions. Right now every object when released from the mouse immediately snaps to the nearest grid point. This causes an issue when something like a player object snaps to a grid point that has a wall -or other- adjacent. So essentially when the player is dropped they wind up with some of the wall covering them. This is fine and working as intended, however the problem is that now my collision detection is tripped whenever you try to move this player because its sitting underneath a wall and because of this you cant drag the player anymore. Here is the relevant code: void UIObj_MouseMove(object sender, MouseEventArgs e) { blocked = false; if (dragging) { foreach (UIElement o in ((Floor)Parent).Children) { if (o.GetType() != GetType() && o.GetType().BaseType == typeof(UIObj) && Math.Sqrt(Math.Pow(((UIObj)o).cX - cX, 2) + Math.Pow(((UIObj)o).cY - cY, 2)) < Math.Max(r.Height + ((UIObj)o).r.Height, r.Width + ((UIObj)o).r.Width)) { double Y = e.GetPosition((Floor)Parent).Y; double X = e.GetPosition((Floor)Parent).X; Geometry newRect = new RectangleGeometry(new Rect(Margin.Left + (X - prevX), Margin.Top + (Y - prevY), Margin.Right + (X - prevX), Margin.Bottom + (Y - prevY))); GeometryHitTestParameters ghtp = new GeometryHitTestParameters(newRect); VisualTreeHelper.HitTest(o, null, new HitTestResultCallback(MyHitTestResultCallback), ghtp); } } if (!blocked) { Margin = new Thickness(Margin.Left + (e.GetPosition((Floor)Parent).X - prevX), Margin.Top + (e.GetPosition((Floor)Parent).Y - prevY), Margin.Right + (e.GetPosition((Floor)Parent).X - prevX), Margin.Bottom + (e.GetPosition((Floor)Parent).Y - prevY)); InvalidateVisual(); } prevX = e.GetPosition((Floor)Parent).X; prevY = e.GetPosition((Floor)Parent).Y; cX = Margin.Left + r.Width / 2; cY = Margin.Top + r.Height / 2; } } internal virtual void SnapToGrid() { double xPos = Margin.Left; double yPos = Margin.Top; double xMarg = xPos % ((Floor)Parent).cellDim; double yMarg = yPos % ((Floor)Parent).cellDim; if (xMarg < ((Floor)Parent).cellDim / 2) { if (yMarg < ((Floor)Parent).cellDim / 2) { Margin = new Thickness(xPos - xMarg, yPos - yMarg, xPos - xMarg + r.Width, yPos - yMarg + r.Height); } else { Margin = new Thickness(xPos - xMarg, yPos - yMarg + ((Floor)Parent).cellDim, xPos - xMarg + r.Width, yPos - yMarg + ((Floor)Parent).cellDim + r.Height); } } else { if (yMarg < ((Floor)Parent).cellDim / 2) { Margin = new Thickness(xPos - xMarg + ((Floor)Parent).cellDim, yPos - yMarg, xPos - xMarg + ((Floor)Parent).cellDim + r.Width, yPos - yMarg + r.Height); } else { Margin = new Thickness(xPos - xMarg + ((Floor)Parent).cellDim, yPos - yMarg + ((Floor)Parent).cellDim, xPos - xMarg + ((Floor)Parent).cellDim + r.Width, yPos - yMarg + ((Floor)Parent).cellDim + r.Height); } } } Essentially I am looking for a simple way to modify the existing code to allow the movement of a UI element that has another one sitting on top of it. Thanks!

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• Javascript parent and child window functions

  - by Mike Thornley

  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE>Lab 9-3</TITLE> <SCRIPT LANGUAGE="JavaScript"> <!-- function myFunction(){ myWin = open("","","width=200,height=200"); with(myWin.document){ open(); write("<HTML><HEAD><TITLE>Child Window</TITLE>"); write("<SCRIPT>function myTest(){"); write("alert('This function is defined in the child window "); write("and is called from the parent window.'); this.focus();}"); write("</SCRIPT></HEAD><BODY><H3>Child Window</H3><HR>"); write("<FORM><INPUT TYPE='button' VALUE='parent window function' "); // Use opener property write("onClick='opener.winFunction();'>"); write("<P><INPUT TYPE='button' VALUE='close window' "); write("onClick='window.close();'>"); write("</FORM></BODY></HTML>"); close(); } } function winFunction(){ alert("This function is defined in the parent window\n" + "and is called from the child window."); myWin.focus(); } //--> </SCRIPT> </HEAD> <BODY> <H3>CIW Web Languages</H3> <HR> <FORM NAME="myForm"> <INPUT TYPE="button" VALUE="open new window" onClick="myFunction();"> <!-- Invoke child window function --> <input type="button" value="Click to open child window" onclick="javascript:void(myWin.myTest());"/> </FORM> <P> </BODY> </HTML> To explain further what my initial query was, the code above, should open the child window (myWin) with the second button, the 'Open child window' button without the need to open the window with the first button or do anything else. It should simply call the myWin.myTest()function The child window will open when the second button is pressed but needs to have the child window open first (first button push) before it'll work. This is not the intended purpose, the 'Open child window' button should work without anything else needing to be done. For some reason the parent window isn't communicating with the myWin window and myTest fucntion. It's not homework, it's part of a certification course lab and is coded in the manner I have been shown to understand as correct. DTD isn't included as the focus is the JavaScript. I code correctly with regards to that and other W3C requirements.

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