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  • My Optin form doesn't work in Internet Explorer, but works fine in Firefox.

    - by Allen
    I have the following code for my optin form: <script language="JavaScript"> function checkSub(){ if (document.signup.email.value.indexOf('@', 0) == -1) { alert("Please fill in your valid Email address.\nYour email should be in the following format: [email protected]"); document.signup.email.focus(); return false} else if (!document.signup.terms.checked) { alert("You must read and agree to the terms"); document.signup.terms.focus(); return false} else { switch(document.signup.extra1.value) { case "Platinum": answer = confirm("By clicking OK you confirm that you have\nalready entered the World Cup Giveaway\nas a Platinum upgrade contributor.\n\nIf you have not yet entered the giveaway\nclick Cancel.\n\nYou can enter using the link at the\nbottom of the page.\n\nIf you have already entered the giveaway\nusing a link other than my invitation link\nyou are not eligible for this offer."); if (!answer) { return false} break; case "Gold": answer = confirm("By clicking OK you confirm that you have\nalready entered the World Cup Giveaway\nas a Gold upgrade contributor.\n\nIf you have not yet entered the giveaway\nclick Cancel.\n\nYou can enter using the link at the\nbottom of the page. \n\nIf you have already entered the giveaway\nusing a link other than my invitation link\nyou are not eligible for this offer."); if (!answer) { return false} break; default: alert("You must sign up as a contributor to the \nWorld Cup Giveaway to take advantage of \nthis offer.\n\nPlease click the link at the bottom of this \npage or at the blog post mentioned below \nto sign up.\n\nIf you have already signed up using \nthis link, please select the upgrade level\nyou chose on signup or select \"Free\" if \nyou signed up as a free contributor.\n\nIf you have already entered the giveaway\nusing a link other than my invitation link\nyou are not eligible for this offer.\n\nNote: This page may not function properly\nif viewed in languages other than English."); return false} } } </script> <form action="http://ebizac.com/ar/optin.php" method="post" name="signup" onsubmit="return checkSub()"> <input type=hidden name="action" value="addlead"> <input type=hidden name="member" value="2315"> <input type=hidden name="auto" value="7584"> <input type=hidden name="thankyou" value="http://plr.forinternetnewbies.com/Offer1"> <input type=hidden name="resubsetting" value="Y"> <input type=hidden name="resubredirect" value=""> <input type=hidden name="invalid_redirect" value=""> <div style="padding:0 0 0 10px;"> <table border=0 cellspacing=0 cellpadding=2><tr><td class="label"><font size="2" face="arial, verdana">Name:</font></td><td><input type=text size=20 name="fname"></td></tr> <tr><td class="label" width="150"><font size="2" face="arial, verdana">Email address:</font></span></td><td><input type=text size=20 name="email"></td></tr> <tr><td class="label"><font size="2" face="arial, verdana">Upgrade Level:</font></td><td><select size=1 name="extra1"><option>Haven't Joined Yet</option><option>Platinum</option><option>Gold</option><option>Silver</option><option>Free</option></td></tr> <tr><td></td><td align=center><input type="checkbox" name="terms" value="agree">I agree to the terms as described on the <a href="http://short9.com/blog0522-sp" target="_blank">blog post</a> </td></tr> <tr><td></td><td align=center><input type="submit" value="Contribute Now"></td></tr></table></div></form> Everything does what I expect in Firefox, but in Internet Explorer the switch statement always goes to the default case. I tested with an extra alert(signup.extra1.value) in the default case and it shows an empty string. What could be the problem here?

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  • Using AJAX to display error message Ruby on Rails

    - by bgadoci
    I have built a blog using Ruby on Rails. New to both. I am implementing AJAX pretty effectively until I get to the error handling portion. I allow for comments on posts and do this by rendering a comment partial and remote form in the /views/posts/show.html.erb page. Upon successful save of a comment the show page is updated using views/comments/create.js.rjs and displays a flash notice. I am simply trying to flash a notice when it doesn't save. Searched around and worked this a bit on my own. Can't get it to fly. Here is my code: /views/posts/show.html.erb <div id="comments"> <%= render :partial => @post.comments %> <div id="notice"><%= flash[:notice] %></div> </div> <% remote_form_for [@post, Comment.new] do |f| %> <p> <%= f.label :body, "New Comment" %><br/> <%= f.text_area (:body, :class => "textarea") %> </p> <p> <%= f.label :name, "Name" %><br/> <%= f.text_field (:name, :class => "textfield") %> </p> <p> <%= f.label :email, "Email" %><br/> <%= f.text_field (:email, :class => "textfield") %> </p> <p><%= f.submit "Add Comment" %></p> <% end %> /views/comments/_comment.html.erb <% div_for comment do %> <div id="comment-wrapper"> <% if admin? %> <div id="comment-destroy"><%=link_to_remote "X", :url => [@post, comment], :method => :delete %></div> <% end %> <%= h(comment.body) %><br/><br/> <div class="small">Posted <%= time_ago_in_words(comment.created_at) %> ago by <%= h(comment.name) %> <% if admin? %> | <%= h(comment.email) %> <% end %></div> </div> <% end %> /views/comments/create.js.rjs page.insert_html :bottom, :comments, :partial => @comment page[@comment].visual_effect :highlight page[:new_comment].reset page.replace_html :notice, flash[:notice] flash.discard CommentsController#create def create @post = Post.find(params[:post_id]) @comment = @post.comments.create!(params[:comment]) respond_to do |format| if @comment.save flash[:notice] = "Thanks for adding this comment" format.html { redirect_to @post } format.js else flash[:notice] = "Make sure you include your name and a valid email address" format.html { redirect_to @post } format.js end end end

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  • Java Code Formating

    - by the qwerty
    I'm using FreeMarker to generate java code, but as most of it is dynamically generated it's difficult to control the code formation. I want to get code well formatted. Does anyone knows a lib or something like a pretty printer for java code?

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  • C# DotNetNuke Module: GridVIew AutoGenerateEditButton is skipping over a field on update.

    - by AlexMax
    I have a GridView with an automatically generated Edit button. I wanted some customized behavior for the Image column, since I wanted it to be a drop down list of items as opposed to a simple input field, and I also wanted some nice "fallback" in case the value in the database didn't actually exist in the drop down list. With the code I have done so far, I have gotten the behavior I desire out of the Image field. The problem is that when i attempt to update that particular field, I get an error spit out back at me that it can't find a method to update the form with: ObjectDataSource 'objDataSource' could not find a non-generic method 'UpdateDiscovery' that has parameters: ModuleId, Visible, Position, Title, Link, ItemId. That's not good, because I DO have an UpdateDiscovery method. However, between Title and Link, there is supposed to be another param that belongs to the Image field, and it's not being passed. I realize that it's probably the update button doesn't know to pass that field, since it's a TemplateField and not a BoundField, and when I use Bind('image') as the selected value for the drop down list, it seems to update fine...but only as long as the field in the database when I try and edit the row actually exists, otherwise it bombs out and gives me an error about the value not existing in the drop down list. I have the following GridView defined: <asp:GridView ID="grdDiscoverys" runat="server" DataSourceID="objDataSource" EnableModelValidation="True" AutoGenerateColumns="false" AutoGenerateEditButton="true" AutoGenerateDeleteButton="true" DataKeyNames="ItemId" OnRowDataBound="cmdDiscovery_RowDataBound"> <Columns> <asp:BoundField DataField="ItemId" HeaderText="#" ReadOnly="true" /> <asp:BoundField DataField="Visible" HeaderText="Visible" /> <asp:BoundField DataField="Position" HeaderText="Position" /> <asp:TemplateField HeaderText="Image"> <ItemTemplate> <asp:Label ID="lblViewImage" runat="server" /> </ItemTemplate> <EditItemTemplate> <asp:DropDownList ID="ddlEditImage" runat="server" title="Image" DataValueField="Key" DataTextField="Value" /> </EditItemTemplate> </asp:TemplateField> <asp:BoundField DataField="Title" HeaderText="Title" /> <asp:BoundField DataField="Link" HeaderText="Link" /> </Columns> </asp:GridView> The datasource that this is tied to: <asp:ObjectDataSource ID="objDataSource" runat="server" TypeName="MyCompany.Modules.Discovery.DiscoveryController" SelectMethod="GetDiscoverys" UpdateMethod="UpdateDiscovery" DeleteMethod="DeleteDiscovery"> <SelectParameters> <asp:QueryStringParameter Name="ModuleId" QueryStringField="mid" /> </SelectParameters> <UpdateParameters> <asp:QueryStringParameter Name="ModuleId" QueryStringField="mid" /> </UpdateParameters> <DeleteParameters> <asp:QueryStringParameter Name="ModuleId" QueryStringField="mid" /> </DeleteParameters> </asp:ObjectDataSource> The cmdDiscovery_RowDataBound method that gets called when the row's data is bound is the following C# code: protected void cmdDiscovery_RowDataBound(object sender, GridViewRowEventArgs e) { try { if (e.Row.RowIndex >= 0) { int intImage = ((DiscoveryInfo)e.Row.DataItem).Image; if (grdDiscoverys.EditIndex == -1) { // View Label lblViewImage = ((Label)e.Row.FindControl("lblViewImage")); if (GetFileDictionary().ContainsKey(intImage)) { lblViewImage.Text = GetFileDictionary()[intImage]; } else { lblViewImage.Text = "Missing Image"; } } else { // Edit DropDownList ddlEditImage = ((DropDownList)e.Row.FindControl("ddlEditImage")); ddlEditImage.DataSource = GetFileDictionary(); ddlEditImage.DataBind(); if (GetFileDictionary().ContainsKey(intImage)) { ddlEditImage.SelectedValue = intImage.ToString(); } } } } catch (Exception exc) { //Module failed to load Exceptions.ProcessModuleLoadException(this, exc); } } How do I make sure that the Image value in the drop down list is passed to the update function?

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  • [Grails] How to enlist children of specified Parent in treeview colum (table)

    - by Rehman
    I am newbie in grails and tried to implement treeview using RichUI plugin, which shows all parents with individual children in Parent.list.gsp xml for parent and their children <parents name='Parents'> <Parent id='1' name='Parent_1'> <Children name='Children'> <child name='Child_2' id='2' /> <child name='Child_4' id='4' /> <child name='Child_1' id='3' /> <child name='Child_3' id='1' /> </Children> </Parent> <Parent id='2' name='Parent_2'> <Children name='Children'> <child name='Child_1' id='8' /> <child name='Child_2' id='7' /> <child name='Child_4' id='6' /> <child name='Child_3' id='5' /> </Children> </Parent> </parents> Parent Domain Class class Parent { String name static hasMany = [children:Child] } Child Domain Class class Child { String name Parent parent static belongsTo = [parent:Parent] } Parent Controller def list = { def writer = new StringWriter() def xml = new MarkupBuilder(writer) xml.parents(name: "Parents"){ Parent.list().each { Parent parentt = it Parent( id:parentt.id,name:parentt.name) { Children(name:'Children'){ parentt.children.each { Child childd = it child(name:childd.name,id:childd.id) } } } } } if(!params.max)params.max=10 ["data":writer.toString(),parentInstanceList: Parent.list(params), parentInstanceTotal: Parent.count()] } Parent.list.gsp <head> <resource:treeView/> ...</head> <body> <table> <thead> <tr> <g:sortableColumn property="id" title="${message(code: 'parent.id.label', default: 'Id')}" /> <g:sortableColumn property="name" title="${message(code: 'parent.name.label', default: 'Name')}" /> <g:sortableColumn property="relationship" title="${message(code: 'parent.relationhsip.label', default: 'Relationship')}" /> </tr> </thead> <tbody> <g:each in="${parentInstanceList}" status="i" var="parentInstance"> <tr class="${(i % 2) == 0 ? 'odd' : 'even'}"> <td><g:link action="show" id="${parentInstance.id}">${fieldValue(bean: parentInstance, field: "id")}</g:link></td> <td>${fieldValue(bean: parentInstance, field: "name")}</td> <td><richui:treeView xml="${data}" /></td> </tr> </g:each> </tbody> </table> </body> Problem Currently, in list view, every Parent entry has list of all parents and their children under relationship column Parent List view Snapshot link text Question how can i enlist all children only for each parent instead of enlisting all parents with their children in each Parent entry ? thanks in advance Rehman

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  • How can I get/set default printers on a per-user basis in Terminal Services with C#?

    - by Charlie
    I want to be able to get and set the default printer for users within Windows Terminal Services, but I don't see any relevant functions. (The closest I've seen is RDS User Config, but it doesn't appear to do what I need.) It can be done by name or by ID (however necessary). For example, something like this pseudocode: For each user, u: p = u.GetDefaultPrinter() if p.name=='Inkjet' then: p2 = GetPrinterByName('Laser') u.SetDefaultPrinter( p2 )

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  • Android: Having trouble creating a subclass of application to share data with multiple Activities

    - by Mike
    Hello, I just finished a couple of activities in my game and now I was going to start to wire them both up to use real game data, instead of the test data I was using just to make sure each piece worked. Since multiple Activities will need access to this game data, I started researching the best way to pass this data to my Activities. I know about using putExtra with intents, but my GameData class has quite a bit of data and not just simple key value pairs. Besides quite a few basic data types, it also has large arrays. I didn't really want to try and pass all that, unless I can pass the entire object, instead of just key/data pairs. I read the following post and thought it would be the way to go, but so far, I haven't got it to work. Android: How to declare global variables? I created a simple test app to try this method out, but it keeps crashing and my code seems to look the same as in the post above - except I changed the names. Here is the error I am getting. Can someone help me understand what I am doing wrong? 12-23 00:50:49.762: ERROR/AndroidRuntime(608): Caused by: java.lang.ClassCastException: android.app.Application It crashes on the following statement: GameData newGameData = ((GameData)getApplicationContext()); Here is my code: package mrk.examples.StaticGameData; import android.app.Application; public class GameData extends Application { private int intTest; GameData () { intTest = 0; } public int getIntTest(){ return intTest; } public void setIntTest(int value){ intTest = value; } } // My main activity package mrk.examples.StaticGameData; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.util.Log; public class StaticGameData extends Activity { int intStaticTest; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); GameData newGameData = ((GameData)getApplicationContext()); newGameData.setIntTest(0); intStaticTest = newGameData.getIntTest(); Log.d("StaticGameData", "Well: IntStaticTest = " + intStaticTest); newGameData.setIntTest(1); Log.d("StaticGameData", "Well: IntStaticTest = " + intStaticTest + " newGameData: " + newGameData.getIntTest()); Intent intentNew = new Intent(this, PassData2Activity.class); startActivity (intentNew); } } // My test Activity to see if it can access the data and its previous state from the last activity package mrk.examples.StaticGameData; import android.app.Activity; import android.os.Bundle; import android.util.Log; public class PassData2Activity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); GameData gamedataPass = ((GameData)getApplicationContext()); Log.d("PassData2Activity", "IntTest = " + gamedataPass.getIntTest()); } } Below is the relevant portion of my manifest: <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".StaticGameData" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".PassData2Activity"></activity> </application> <application android:name=".GameData" android:icon="@drawable/icon" android:label="@string/app_name"> </application> Thanks in advance for helping me understand why this code is crashing. Also, if you think this is just the wrong approach to let multiple activities have access to the same data, please give your suggestion. Please keep in mind that I am talking about quite a few variables and some large arrays.

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  • What is the process of turning HTML into Postscript programmatically

    - by Dean
    I am trying to understand what the process is of turning HTML into a PDF/Postscript programmatically All Google searches turn up libraries to do this, but I am more interested in the actual process required. I know you could just set up a Postscript printer and print directly to that, but some of these libraries appear to create the PDF on the fly to allow previews etc. has anyone had any experience in this, or can provide any guidance?

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  • Word 2007 macros: is there an OnPrint event I can attach a macro to?

    - by notnot
    I'm looking to do a formatting check on word files before they get sent to the printer and it needs to be completely transparent to the user (no extra controls, just using the standard print options available through the UI). Is there an OnPrint or BeforePrint event, or something that can be used in that respect which I could attach a macro to, the same way I can with Open, Close, or Save? This feels like it should be simple... but those are famous last words. Thanks in advance, Rob

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  • Print/save full webpage as PDF

    - by Oliver
    I need a method to be able to print/save the current full webpage as a PDF. I know it can be done if I download a PDF printer and print to that; but I need it to be done without the user having to do anything other than click a button in a webpage. I can't do it via PHP as the page is all client side content, so I'm guessing an ActiveX component? Any ideas would be greatly appreciated! Many thanks

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  • What tool for printing Invoices and similar documents in Java Swing?

    - by Jonas
    I'm looking for a good tool for printing Invoices, Receipts and similar documents in Java Swing. I have tried JasperReports but it is pretty hard to get a dynamic layout and it is designing for reports. A requirement that I have is that the document should be sent directly to the printer and must not be saved to a file. So some tools that first creates an Office Document or a PDF document isn't a solution for me. Any recommendations?

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  • Trasnfer of dirctory structure on network

    - by singh
    Hi I am designing a remote CD/DVD burner to address hardware constraint on my Machine. My design work like that :(Analogous to network paper printer) Unix Based Machine (acts as server) hosts a burner. Windows based machine acts as client. Client prepare data to be burn and transfer it to server. Server burn the data on CD/DVD. My Question is : . Which is the best protocol to transfer data over network (Keeping same Directory hierarchy) between different OS

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  • sql "Group By" and "Having"

    - by Hans Rudel
    im trying to work through some questions and im not sure how to do the following Q:Find the hard drive sizes that are equal among two or more PCs. its q15 on this site http://www.sql-ex.ru/learn_exercises.php#answer_ref The database scheme consists of four tables: Product(maker, model, type) PC(code, model, speed, ram, hd, cd, price) Laptop(code, model, speed, ram, hd, screen, price) Printer(code, model, color, type, price) any pointers would be appreciated.

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  • Very Strange behavior in custom dataGrid

    - by Markus
    Hi everybody, I asked this question already in a former post, but nobody could answer this question correctly. So I try to post the problem again, to make sure it's not a bug. I have a dataGrid with a custom itemRenderer. Everytime I tab at least two times on the dataGrid, the cell below the one I taped gets selected. This doesn't happen if I uncomment the code in the method saveBackDataGridContent()! The second problem is that if the Line is shorter than the entered text, a horizontalScrollBar will get active, although I set setStyle("horizontalScrollPolicy", "off");... Who can solve that one? CustomRenderer.mxml: <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" initialize="dataService.send()"> <mx:Script> <![CDATA[ import components.ChoiceRenderer; import mx.rpc.events.ResultEvent; import mx.events.DataGridEvent; private function resultHandler(event:ResultEvent):void { var doc:XML = event.result as XML; testGrid.dataProvider = doc.Records.BackSide; } private function saveBackDataGridContent(event:DataGridEvent):void{ testGrid.dataProvider[event.rowIndex].TextElement = event.currentTarget.itemEditorInstance.text; } ]]> </mx:Script> <mx:HTTPService id="dataService" result="resultHandler(event)" url = "data/example.xml" resultFormat="e4x"/> <mx:DataGrid id="testGrid" editable="true" itemEditEnd="saveBackDataGridContent(event)"> <mx:columns> <mx:DataGridColumn itemRenderer="components.ChoiceRenderer" width="230"/> </mx:columns> </mx:DataGrid> </mx:Application> ChoiceRenderer.as package components { import mx.containers.HBox; import mx.controls.CheckBox; import mx.controls.Label; public class ChoiceRenderer extends HBox { private var correctAnswer:CheckBox; private var choiceLabel:Label; public function ChoiceRenderer() { super(); setStyle("horizontalScrollPolicy", "off"); correctAnswer = new CheckBox; addChild(correctAnswer); choiceLabel = new Label; addChild(choiceLabel); } override public function set data(xmldata:Object):void{ if(xmldata.name() == "BackSide"){ super.data = xmldata.TextElement[0]; choiceLabel.text = xmldata.TextElement[0].toString(); } } } } example.xml <TopContainer> <Records> <BackSide> <TextElement>first</TextElement> </BackSide> <BackSide> <TextElement>second</TextElement> </BackSide> <BackSide> <TextElement>third</TextElement> </BackSide> <BackSide> <TextElement>fourth</TextElement> </BackSide> <BackSide> <TextElement>fifth</TextElement> </BackSide> <BackSide> <TextElement>sixth</TextElement> </BackSide> </Records> Thanks Markus

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  • Rogue PropertyChanged notifications from ViewModel

    - by user1886323
    The following simple program is causing me a Databinding headache. I'm new to this which is why I suspect it has a simple answer. Basically, I have two text boxes bound to the same property myString. I have not set up the ViewModel (simply a class with one property, myString) to provide any notifications to the View for when myString is changed, so even although both text boxes operate a two way binding there should be no way that the text boxes update when myString is changed, am I right? Except... In most circumstances this is true - I use the 'change value' button at the bottom of the window to change the value of myString to whatever the user types into the adjacent text box, and the two text boxes at the top, even although they are bound to myString, do not change. Fine. However, if I edit the text in TextBox1, thus changing the value of myString (although only when the text box loses focus due to the default UpdateSourceTrigger property, see reference), TextBox2 should NOT update as it shouldn't receive any updates that myString has changed. However, as soon as TextBox1 loses focus (say click inside TextBox2) TextBox2 is updated with the new value of myString. My best guess so far is that because the TextBoxes are bound to the same property, something to do with TextBox1 updating myString gives TextBox2 a notification that it has changed. Very confusing as I haven't used INotifyPropertyChanged or anything like that. To clarify, I am not asking how to fix this. I know I could just change the binding mode to a oneway option. I am wondering if anyone can come up with an explanation for this strange behaviour? ViewModel: namespace WpfApplication1 { class ViewModel { public ViewModel() { _myString = "initial message"; } private string _myString; public string myString { get { return _myString; } set { if (_myString != value) { _myString = value; } } } } } View: <Window x:Class="WpfApplication1.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:WpfApplication1" Title="MainWindow" Height="350" Width="525"> <Window.DataContext> <local:ViewModel /> </Window.DataContext> <Grid> <!-- The culprit text boxes --> <TextBox Height="23" HorizontalAlignment="Left" Margin="166,70,0,0" Name="textBox1" VerticalAlignment="Top" Width="120" Text="{Binding Path=myString, Mode=TwoWay}" /> <TextBox Height="23" HorizontalAlignment="Left" Margin="166,120,0,0" Name="textBox2" VerticalAlignment="Top" Width="120" Text="{Binding Path=myString, Mode=TwoWay}"/> <!--The buttons allowing manual change of myString--> <Button Name="changevaluebutton" Content="change value" Click="ButtonUpdateArtist_Click" Margin="12,245,416,43" Width="75" /> <Button Content="Show value" Height="23" HorizontalAlignment="Left" Margin="12,216,0,0" Name="showvaluebutton" VerticalAlignment="Top" Width="75" Click="showvaluebutton_Click" /> <Label Content="" Height="23" HorizontalAlignment="Left" Margin="116,216,0,0" Name="showvaluebox" VerticalAlignment="Top" Width="128" /> <TextBox Height="23" HorizontalAlignment="Left" Margin="116,245,0,0" Name="changevaluebox" VerticalAlignment="Top" Width="128" /> <!--simply some text--> <Label Content="TexBox1" Height="23" HorizontalAlignment="Left" Margin="99,70,0,0" Name="label1" VerticalAlignment="Top" Width="61" /> <Label Content="TexBox2" Height="23" HorizontalAlignment="Left" Margin="99,118,0,0" Name="label2" VerticalAlignment="Top" Width="61" /> </Grid> </Window> Code behind for view: namespace WpfApplication1 { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window { ViewModel viewModel; public MainWindow() { InitializeComponent(); viewModel = (ViewModel)this.DataContext; } private void showvaluebutton_Click(object sender, RoutedEventArgs e) { showvaluebox.Content = viewModel.myString; } private void ButtonUpdateArtist_Click(object sender, RoutedEventArgs e) { viewModel.myString = changevaluebox.Text; } } }

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  • Windows DDK development with MinGW?

    - by Rob
    Is it possible to develop a Windows driver (specifically a PDF-like printer driver that displays the data on-screen instead of actually printing) without using Visual Studio? I'm thinking of using free C++ tools such as MinGW/gcc.

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  • Remember the values entered on standalone app on the client side

    - by kshtjsnghl
    We have a standalone java swing app, in which the user can print something that he drew, on a printer by giving its IP. Now the requirement is that the app needs to remember the ip that was given the last time by this user. What I could think of till now is (a brute one though) - keep a log file kind of storage on the client machine, and that everytime the app comes up it reads the last submitted one. Any suggestions would be helpful. Thanks in advance.

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  • Is there a command line C++ to PDF converter with syntax highlighting?

    - by NoMoreZealots
    I need to supply "Source code documents w/ Line numbers" which is essentially just a PDF of the source code with syntax highlighting and Line numbers. Is there any existing command line tools for windows that I could call from a script as a "build release version" script? Right now I'm doing it manually using VC++, which isn't even the dev enviroment the code is for a TI processor, and a PDF printer driver, which has a pop up for each file I print.

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  • When a tech document states that something is IP-Aware was does that specifically mean?

    - by Mike
    I need a class room definition for IP-aware for a research assignment. I.E. something that would be used, lets say, in a dictionary. Does anyone know or provide me with a link to a defintiion, I am having no luck with searches. Are IP-Aware devices only devices that can read/find/make decisions based on IP addresses. For example a router would be one, but a network printer would not?

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  • When does logic belong in the Business Object/Entity, and when does it belong in a Service?

    - by Casey
    In trying to understand Domain Driven Design I keep returning to a question that I can't seem to definitively answer. How do you determine what logic belongs to a Domain entity, and what logic belongs to a Domain Service? Example: We have an Order class for an online store. This class is an entity and an aggregate root (it contains OrderItems). Public Class Order:IOrder { Private List<IOrderItem> OrderItems Public Order(List<IOrderItem>) { OrderItems = List<IOrderItem> } Public Decimal CalculateTotalItemWeight() //This logic seems to belong in the entity. { Decimal TotalWeight = 0 foreach(IOrderItem OrderItem in OrderItems) { TotalWeight += OrderItem.Weight } return TotalWeight } } I think most people would agree that CalculateTotalItemWeight belongs on the entity. However, at some point we have to ship this order to the customer. To accomplish this we need to do two things: 1) Determine the postage rate necessary to ship this order. 2) Print a shipping label after determining the postage rate. Both of these actions will require dependencies that are outside the Order entity, such as an external webservice to retrieve postage rates. How should we accomplish these two things? I see a few options: 1) Code the logic directly in the domain entity, like CalculateTotalItemWeight. We then call: Order.GetPostageRate Order.PrintLabel 2) Put the logic in a service that accepts IOrder. We then call: PostageService.GetPostageRate(Order) PrintService.PrintLabel(Order) 3) Create a class for each action that operates on an Order, and pass an instance of that class to the Order through Constructor Injection (this is a variation of option 1 but allows reuse of the RateRetriever and LabelPrinter classes): Public Class Order:IOrder { Private List<IOrderItem> OrderItems Private RateRetriever _Retriever Private LabelPrinter _Printer Public Order(List<IOrderItem>, RateRetriever Retriever, LabelPrinter Printer) { OrderItems = List<IOrderItem> _Retriever = Retriever _Printer = Printer } Public Decimal GetPostageRate { _Retriever.GetPostageRate(this) } Public void PrintLabel { _Printer.PrintLabel(this) } } Which one of these methods do you choose for this logic, if any? What is the reasoning behind your choice? Most importantly, is there a set of guidelines that led you to your choice?

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  • Example of Singleton pattern

    - by Supereme
    Hi, Can anybody tell me a good example of Singleton pattern? Also I've one doubt to ask, Is the following scenario is that of singleton pattern: When we have many printers connected in LAN but only one printer queue?

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  • nil object in view when building objects on two different associations

    - by Shako
    Hello all. I'm relatively new to Ruby on Rails so please don't mind my newbie level! I have following models: class Paintingdescription < ActiveRecord::Base belongs_to :paintings belongs_to :languages end class Paintingtitle < ActiveRecord::Base belongs_to :paintings belongs_to :languages end class Painting < ActiveRecord::Base has_many :paintingtitles, :dependent => :destroy has_many :paintingdescriptions, :dependent => :destroy has_many :languages, :through => :paintingdescriptions has_many :languages, :through => :paintingtitles end class Language < ActiveRecord::Base has_many :paintingtitles, :dependent => :nullify has_many :paintingdescriptions, :dependent => :nullify has_many :paintings, :through => :paintingtitles has_many :paintings, :through => :paintingdescriptions end In my painting new/edit view, I would like to show the painting details, together with its title and description in each of the languages, so I can store the translation of those field. In order to build the languagetitle and languagedescription records for my painting and each of the languages, I wrote following code in the new method of my Paintings_controller.rb: @temp_languages = @languages @languages.size.times{@painting.paintingtitles.build} @painting.paintingtitles.each do |paintingtitle| paintingtitle.language_id = @temp_languages[0].id @temp_languages.slice!(0) end @temp_languages = @languages @languages.size.times{@painting.paintingdescriptions.build} @painting.paintingdescriptions.each do |paintingdescription| paintingdescription.language_id = @temp_languages[0].id @temp_languages.slice!(0) end In form partial which I call in the new/edit view, I have <% form_for @painting, :html => { :multipart => true} do |f| %> ... <% languages.each do |language| %> <p> <%= label language, language.name %> <% paintingtitle = @painting.paintingtitles[counter] %> <% new_or_existing = paintingtitle.new_record? ? 'new' : 'new' %> <% prefix = "painting[#{new_or_existing}_title_attributes][]" %> <% fields_for prefix, paintingtitle do |paintingtitle_form| %> <%= paintingtitle_form.hidden_field :language_id%> <%= f.label :title %><br /> <%= paintingtitle_form.text_field :title%> <% end %> <% paintingdescription = @painting.paintingdescriptions[counter] %> <% new_or_existing = paintingdescription.new_record? ? 'new' : 'new' %> <% prefix = "painting[#{new_or_existing}_title_attributes][]" %> <% fields_for prefix, paintingdescription do |paintingdescription_form| %> <%= paintingdescription_form.hidden_field :language_id%> <%= f.label :description %><br /> <%= paintingdescription_form.text_field :description %> <% end %> </p> <% counter += 1 %> <% end %> ... <% end %> But, when running the code, ruby encounters a nil object when evaluating paintingdescription.new_record?: You have a nil object when you didn't expect it! You might have expected an instance of ActiveRecord::Base. The error occurred while evaluating nil.new_record? However, if I change the order in which I a) build the paintingtitles and painting descriptions in the paintings_controller new method and b) show the paintingtitles and painting descriptions in the form partial then I get the nil on the paintingtitles.new_record? call. I always get the nil for the objects I build in second place. The ones I build first aren't nil in my view. Is it possible that I cannot build objects for 2 different associations at the same time? Or am I missing something else? Thanks in advance!

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