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  • Should we encourage coding styles in favor of developer's autonomy, or discourage it in favor of consistency?

    - by Saeed Neamati
    A developer writes if/else blocks with one-line code statements like: if (condition) // Do this one-line code else // Do this one-line code Another uses curly braces for all of them: if (condition) { // Do this one-line code } else { // Do this one-line code } A developer first instantiates an object, then uses it: HelperClass helper = new HelperClass(); helper.DoSomething(); Another developer instantiates and uses the object in one line: new HelperClass().DoSomething(); A developer is more easy with arrays, and for loops: string[] ordinals = new string[] {'First', 'Second', 'Third'}; for (i = 0; i < ordinals.Length; i++) { // Do something } Another writes: List<string> ordinals = new List<string>() {'First', 'Second', 'Third'}; foreach (string ordinal in ordinals) { // Do something } I'm sure that you know what I'm talking about. I call it coding style (cause I don't know what it's called). But whatever we call it, is it good or bad? Does encouraging it have an effect of higher productivity of developers? Should we ask developers to try to write code the way we tell them, so to make the whole system become style-consistent?

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  • JBox2D applyLinearImpulse doesn't work

    - by Romeo
    So i have this line of code: if(input.isKeyDown(Input.KEY_W)&&canJump()) { body.applyLinearImpulse(new Vec2(0, 30), cam.screenToWorld(body.getPosition())); System.out.println("I can jump!"); } My problem is that the console display I can jump! but the body doesn't do that. Can you explain to me if i do something wrong? Some more code. This function creates my 'hero' the one supposed to jump. private Body setDynamic(float width, float height, float x, float y) { PolygonShape shape = new PolygonShape(); shape.setAsBox(width/2, height/2); BodyDef bd = new BodyDef(); bd.allowSleep = true; bd.position = new Vec2(cam.screenToWorld(new Vec2(x + width / 2, y + height / 2))); bd.type = BodyType.DYNAMIC; bd.userData = new BodyInfo(width, height); Body body = world.createBody(bd); body.createFixture(shape, 10); return body; } And this is the main update loop: if(input.isKeyDown(Input.KEY_A)) { body.setLinearVelocity(new Vec2(-10*delta, body.getLinearVelocity().y)); } else if (input.isKeyDown(Input.KEY_D)) { body.setLinearVelocity(new Vec2(10*delta, body.getLinearVelocity().y)); } else { body.setLinearVelocity(new Vec2(0, body.getLinearVelocity().y)); } if(input.isKeyDown(Input.KEY_W)&&canJump()) { body.applyLinearImpulse(new Vec2(0, 30), body.getPosition()); System.out.println("I can jump!"); } world.step(delta * 0.001f, 10, 5); }

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  • Tried to install some software, it says some packages are damaged, cannot fix them

    - by lempira
    So, I go to the Ubuntu Software Center, as soon as it opens, a window pops up with the following text: "Items cannot be installed or removed until the package catalog is repaired. Do you want to repair it now?" Then I click the "Repair" button, then a new window pops up with the following text: "Package operation failed. The installation or removal of a software package failed." Then I click on the "Details" button, which returns me the following text: installArchives() failed: Can't exec "locale": No such file or directory at /usr/share/perl5/Debconf/Encoding.pm line 16. Use of uninitialized value $Debconf::Encoding::charmap in scalar chomp at /usr/share/perl5/Debconf/Encoding.pm line 17. Preconfiguring packages ... Can't exec "locale": No such file or directory at /usr/share/perl5/Debconf/Encoding.pm line 16. Use of uninitialized value $Debconf::Encoding::charmap in scalar chomp at /usr/share/perl5/Debconf/Encoding.pm line 17. Preconfiguring packages ... Can't exec "locale": No such file or directory at /usr/share/perl5/Debconf/Encoding.pm line 16. Use of uninitialized value $Debconf::Encoding::charmap in scalar chomp at /usr/share/perl5/Debconf/Encoding.pm line 17. Preconfiguring packages ... dpkg: warning: 'ldconfig' not found in PATH or not executable. dpkg: error: 1 expected program not found in PATH or not executable. Note: root's PATH should usually contain /usr/local/sbin, /usr/sbin and /sbin. Error in function: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (2) dpkg: warning: 'ldconfig' not found in PATH or not executable. dpkg: error: 1 expected program not found in PATH or not executable. Note: root's PATH should usually contain /usr/local/sbin, /usr/sbin and /sbin. What should I do?

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  • PhysX Capsule Character Controller floating above ground

    - by Jannie
    I am using PhysX Version 3.0.2 in the simulation package I'm working on, and I've encountered some bizarre behavior with the capsule character controller. When I set the controller's height and radius to the appropriate values (r = 0.25, h = 1.86)it behaves correctly (moving along the ground, colliding with other objects, and so on) except that the capsule itself is floating above the ground. The actor will then bump his head when trying to get through a door, since the capsule is the correct height but also floating above the ground. This image should illustrate what I'm going on about: One can clearly see that the rest of the scene has their collision bodies wrapped correctly, it's just the capsule that's going wrong! The stop-gap I've implemented is creating a smaller capsule and giving it an offset, but I need to implement ray-picking for the controller next so the capsule has to surround the character model properly. Here's my character creation code (with height = 1.86f and radius = 0.25f): NxController* D3DPhysXManager::CreateCharacterController( std::string l_stdsControllerName, float l_fHeight, float l_fRadius, D3DXVECTOR3 l_v3Position ) { NxCapsuleControllerDesc l_CapsuleControllerDescription; l_CapsuleControllerDescription.height = l_fHeight; l_CapsuleControllerDescription.radius = l_fRadius; l_CapsuleControllerDescription.position.set( l_v3Position.x, l_v3Position.y, l_v3Position.z ); l_CapsuleControllerDescription.callback = &this->m_ControllerHitReport; NxController* l_pController = this->m_pControllerManager->createController( this->m_pScene, l_CapsuleControllerDescription ); this->m_pControllerMap.insert( l_ControllerValuePair( l_stdsControllerName, l_pController ) ); return l_pController; } Any help at all would be appreciated, I just can't figure this one out! P.S. I've found a couple of (rather old) threads describing the same issue, but it seems they couldn't find a solution either. Here are the links: http://forum-archive.developer.nvidia.com/index.php?showtopic=6409 http://forum-archive.developer.nvidia.com/index.php?showtopic=3272 http://www.ogre3d.org/addonforums/viewtopic.php?f=8&t=23003

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  • bash terminal/console strange overlapping behavior

    - by UpKey
    I am using gnome-terminal in Ubuntu 11.10 and seem to get long lines overlapping in the terminal window. When I copy a long command line and paste it into the terminal, the text gets overlapped to the start of the line and often covers the user prompt. If I resize the terminal window, making it wider the overlapping gets undone and everything looks normal. In previous versions of Ubuntu, if a line was too long it would continue on the next line below. Another problem I have noticed that may be related, is when using the up arrow key to show previously typed commands, sometimes instead of the output command line being replaced by the previous command each time the key is pressed, the lines get partially merged. A portion of the old line remains, and the next command gets joined onto the end. This leftover part of a command is persistent and does not get replaced next time the key is pressed, although the insertion point or blinking cursor is at the end of the latest recalled command, and the leftover has no effect if I press enter. Is this problem a bug or some setting that needs fixing? Where do I look for the cause? keyboard? gnome-terminal? bash? Thank you for any help or suggestions offered

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  • Resume Button error

    - by user3178359
    i have two class. if i press button pause it can show button resume, retry,menu and the game time is paused. but when i press the resume the game time still paused. help me plase how to continue the game time ?? code for button pause : using UnityEngine; using System.Collections; public class pause : MonoBehaviour { public GUITexture showMenu; public GUITexture btnResume; public bool gamePaused = false; void OnMouseDown() { gamePaused = true; Time.timeScale = 0; showMenu.pixelInset = new Rect(220, 200, showMenu.pixelInset.width, showMenu.pixelInset.height); btnResume.pixelInset = new Rect(300, 300, btnResume.pixelInset.width, btnResume.pixelInset.height); code for button resume : using UnityEngine; using System.Collections; public class btResume : pause { //public GUITexture shoe; void onMouseDown() { base.gamePaused = false; Time.timeScale = 1; btnResume.pixelInset = new Rect(300, -300, btnResume.pixelInset.width, btnResume.pixelInset.height); showMenu.pixelInset = new Rect(220, -200, showMenu.pixelInset.width, showMenu.pixelInset.height); } }

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  • How should I group these variables?

    - by stariz77
    I have a shape that will be defined by: char s_type; char color; double height; double width; These variables are scanned in from a request string sent to my server and passed into my printing function, which then prints out the shape. Currently they are just local variables sitting in my main(); however, I was wondering if there would be any advantage in creating a struct containing these variables, and then passing the struct to my printing function? or how else might I improve my program's structure/style, would passing a struct by reference have any kind of performance benefit if there were many requests and therefore many printing function calls? printer(char st, char cr, double ht, double wd); int main() { // Other main functionality. char s_type; char color; double height; double width; sscanf (serv_req, "GET /%c/%c/%lf/%lf", &s_type, &color, &height, &width); printer(s_type, color, height, width); // Other main functionality. return 0; } It seemed "neater" if I had a struct or something that didn't leave me with declarations in the middle of everything else going on in main. I'm interested in structure/style as well as performance. EDIT: didn't mean to put printer declaration inside main.

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  • strange 404 errors

    - by user1400532
    i have this website thinkmovie.in recently i enabled cloudfare along with maxcdn. When i look at my server logs, i see these strange 404 errors for many of the files. for eg: http://thinkmovie.in/img/content/15062012faith/thumbs/model_fai12e8th_latest_photoshoot_10.jpg But the actual url is http://thinkmovie.in/img/content/15062012faith/thumbs/model_faith_latest_photoshoot_10.jpg refer_url: http://www.thinkmovie.in/gallery/ It means the term "model_faith" is replaced by "model_fai12e8th" and one more http://thinkmovie.in/image.php/?offset=1&height=120&width=144&cropratio=1.2:1%E2%84%91=/img/content/07052012pranitha/pranitha_hot_in_saguni_movie_press_meet_0.jpg?offset=1&height=120&width=144&cropratio=1.2:1%E2%84%91=/img/content/07052012pranitha/pranitha_hot_in_saguni_movie_press_meet_0.jpg actual url http://thinkmovie.finalytics.in/image.php/?offset=1&height=120&width=144&cropratio=1.2:1%E2%84%91=/img/content/07052012pranitha/pranitha_hot_in_saguni_movie_press_meet_0.jpg?offset=1&height=120&width=144&cropratio=1.2:1&image=/img/content/07052012pranitha/pranitha_hot_in_saguni_movie_press_meet_0.jpg refer_url: http://www.thinkmovie.in/gallery/hotactress/album/pranitha_hot_stills_19012012pranitha/ {&image replaced by %E2%84%91} I'm not able to understand how this is happening. I checked my code server times. And I am not able to replicate this problem from my browser. Please help me.

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  • How to Keep SEO Score from Dropping with Duplicate Content

    - by joeh0717
    I'm hoping that someone has a solution for what I'm trying to accomplish. I'm working on a travel agency web site and there's a "Overview" section for each cruise line. These overviews are located on the index page for each cruise line. Here's my issue: The company is creating a search engine that includes details on each cruise line. Their write-ups on each cruise line are great, so I'd like to include the overview they created for each cruise line, rather than having to create all new ones. However, I don't want duplicating their content to negatively affect the SEO scores of the pages they originally put this content on. It's gong to duplicate, since each page that's dynamically generated by their search engine is going to include a section about the cruise line (where I'd want to place the overview). Question: Is there any way that I can include these overviews (ideally, copying the exact HTML that they've already implemented) without the search engines indexing those particular code sections? I'd want the rest of the search result pages to be indexed...just not the section of each page that contains this duplicate code. I saw something about using a span class named robots-nocontent in Yahoo (not sure if this also applies to Bing) and googleon / googleoff tags in Google. Is this the best solution? I'm open to any suggestions, thanks!

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  • OpenGL: Move camera regardless of rotation

    - by Markus
    For a 2D board game I'd like to move and rotate an orthogonal camera in coordinates given in a reference system (window space), but simply can't get it to work. The idea is that the user can drag the camera over a surface, rotate and scale it. Rotation and scaling should always be around the center of the current viewport. The camera is set up as: gl.glMatrixMode(GL2.GL_PROJECTION); gl.glLoadIdentity(); gl.glOrtho(-width/2, width/2, -height/2, height/2, nearPlane, farPlane); where width and height are equal to the viewport's width and height, so that 1 unit is one pixel when no zoom is applied. Since these transformations usually mean (scaling and) translating the world, then rotating it, the implementation is: gl.glMatrixMode(GL2.GL_MODELVIEW); gl.glLoadIdentity(); gl.glRotatef(rotation, 0, 0, 1); // e.g. 45° gl.glTranslatef(x, y, 0); // e.g. +10 for 10px right, -2 for 2px down gl.glScalef(zoomFactor, zoomFactor, zoomFactor); // e.g. scale by 1.5 That however has the nasty side effect that translations are transformed as well, that is applied in world coordinates. If I rotate around 90° and translate again, X and Y axis are swapped. If I reorder the transformations so they read gl.glTranslatef(x, y, 0); gl.glScalef(zoomFactor, zoomFactor, zoomFactor); gl.glRotatef(rotation, 0, 0, 1); the translation will be applied correctly (in reference space, so translation along x always visually moves the camera sideways) but rotation and scaling are now performed around origin. It shouldn't be too hard, so what is it I'm missing?

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  • Getting overflow-y:scroll to work with fixed positioning html & css

    - by Vagabond_King
    I have a Jquery tools scrollable thats set to be fixed to the bottom of the browser window. Ideally i would just like to get a overflow-y:scroll; working for the page as a whole when the browser is < 700px. (so no content gets hidden, as its all fixed place). This feels like it should be simple but its causing me huge headaches. js solutions are fine at this point. Thanks in advance. <body> <div id="background"> <div id="fix_to_floor"> <div class="scrollable"> <div class="frame"> <div class="page" id="page1"> <div class="inner_page"> <h2>About Us</h2> <p>content</p> <div class="floor_items"> <img src="images/chair_n_hole.png" width="950" height="700" alt="Chair N Hole"> </div> </div> </div> <div class="page" id="page2"> <div class="inner_page"> <h2>page 2</h2> <p>content</p> <div class="floor_items"> <img src="images/spachairs.png" width="950" height="700" alt="Spachairs"> </div> </div> </div> <div class="page" id="page3"> <div class="inner_page"> <span class="copy"> <h2>Products</h2> </span> </div> </div> </div> </div> </div> </div> </body> body { width: 100%; bottom:0px; position: fixed; } div#background{ height:948px; width:100%; background: #DDD url('../images/working_bg.jpg') repeat-x fixed bottom center; bottom:0px; overflow: scroll; } div#fix_to_floor{ position: fixed; margin: 0 auto; bottom:0px; height: 700px; width: 1700px; } .content img{ position: absolute; bottom: 0; } #content div.floor_items{ position: absolute; bottom:0; width:1700px; width: 950px; height: 700px; } /* **** specific page backgrounds */ /* page 3 - Products */ #page3 .inner_page{ background: url('../images/display.png') no-repeat scroll bottom center; z-index: 50; } #page3 .copy{ float: left; margin: 100px 300px; } #page1 div.floor_items img{ margin: 0 0 0 0px; } /********* SCROLLABLE *********/ div.scrollable{ bottom: 0; position: relative; /* required*/ overflow:hidden; width:1700px; height: 700px; left:0px; } /* needs to be huge and fixed. holds the content */ div.scrollable div.frame{ width: 20000em; position: absolute; height: 700px; } /* single item , must bve floated for horiz. scrolling*/ div.frame div.page{ float:left; width: 1700px; height: 700px; margin: 0; } div.page div.inner_page{ width:950px; height:700px; margin: 0 370px; /* border: 1px solid red;*/ }

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  • Translate ImageButton from C# to XAML

    - by Bill
    I worked out the C# code to create an ImageButton (below) that has three images (one base-image and two overlays) and three text boxes as the face of the button. I am inheriting from the Button class, which unfortunately includes several components that I didn't realize would surface until after coding and need to remove, namely the bright-blue surrounding border on IsMouseOver, and any visible borders between the buttons, as the buttons will end up in a wrapPanel and the borders need to be seamless. Now that the format has been worked out in C#, I expect that I need to translate to XAML so that I can create a ControlTemplate to get the functionality necessary, however I am not certain as to the process of translating from C# to XAML. Can anyone steer me in the right direction? public class ACover : Button { Image cAImage = null; Image jCImage = null; Image jCImageOverlay = null; TextBlock ATextBlock = null; TextBlock AbTextBlock = null; TextBlock ReleaseDateTextBlock = null; private string _TracksXML = ""; public ACover() { Grid cArtGrid = new Grid(); cArtGrid.Background = new SolidColorBrush(Color.FromRgb(38, 44, 64)); cArtGrid.Margin = new System.Windows.Thickness(5, 10, 5, 10); RowDefinition row1 = new RowDefinition(); row1.Height = new GridLength(225); RowDefinition row2 = new RowDefinition(); row2.Height = new GridLength(0, GridUnitType.Auto); RowDefinition row3 = new RowDefinition(); row3.Height = new GridLength(0, GridUnitType.Auto); RowDefinition row4 = new RowDefinition(); row4.Height = new GridLength(0, GridUnitType.Auto); cArtGrid.RowDefinitions.Add(row1); cArtGrid.RowDefinitions.Add(row2); cArtGrid.RowDefinitions.Add(row3); cArtGrid.RowDefinitions.Add(row4); ColumnDefinition col1 = new ColumnDefinition(); col1.Width = new GridLength(0, GridUnitType.Auto); cArtGrid.ColumnDefinitions.Add(col1); jCImage = new Image(); jCImage.Height = 240; jCImage.Width = 260; jCImage.VerticalAlignment = VerticalAlignment.Top; jCImage.Source = new BitmapImage(new Uri(Properties.Settings.Default.pathToGridImages + "jc.png", UriKind.Absolute)); cArtGrid.Children.Add(jCImage); cArtImage = new Image(); cArtImage.Height = 192; cArtImage.Width = 192; cArtImage.Margin = new System.Windows.Thickness(3, 7, 0, 0); cArtImage.VerticalAlignment = VerticalAlignment.Top; cArtGrid.Children.Add(cArtImage); jCImageOverlay = new Image(); jCImageOverlay.Height = 192; jCImageOverlay.Width = 192; jCImageOverlay.Margin = new System.Windows.Thickness(3, 7, 0, 0); jCImageOverlay.VerticalAlignment = VerticalAlignment.Top; jCImageOverlay.Source = new BitmapImage(new Uri( Properties.Settings.Default.pathToGridImages + "jc-overlay.png", UriKind.Absolute)); coverArtGrid.Children.Add(jCImageOverlay); ATextBlock = new TextBlock(); ATextBlock.Foreground = new SolidColorBrush(Color.FromRgb(173, 176, 198)); ATextBlock.Margin = new Thickness(10, -10, 0, 0); cArtGrid.Children.Add(ATextBlock); AlTextBlock = new TextBlock(); AlTextBlock.Margin = new Thickness(10, 0, 0, 0); AlTextBlock.Foreground = new SolidColorBrush(Color.FromRgb(173, 176, 198)); cArtGrid.Children.Add(AlTextBlock); RDTextBlock = new TextBlock(); RDTextBlock.Margin = new Thickness(10, 0, 0, 0); RDTextBlock.Foreground = new SolidColorBrush(Color.FromRgb(173, 176, 198)); cArtGrid.Children.Add(RDTextBlock); Grid.SetColumn(jCImage, 0); Grid.SetRow(jCImage, 0); Grid.SetColumn(jCImageOverlay, 0); Grid.SetRow(jCImageOverlay, 0); Grid.SetColumn(cArtImage, 0); Grid.SetRow(cArtImage, 0); Grid.SetColumn(ATextBlock, 0); Grid.SetRow(ATextBlock, 1); Grid.SetColumn(AlTextBlock, 0); Grid.SetRow(AlTextBlock, 2); Grid.SetColumn(RDTextBlock, 0); Grid.SetRow(RDTextBlock, 3); this.Content = cArtGrid; } public string A { get { if (ATextBlock != null) return ATextBlock.Text; else return String.Empty; } set { if (ATextBlock != null) ATextBlock.Text = value; } } public string Al { get { if (AlTextBlock != null) return AlTextBlock.Text; else return String.Empty; } set { if (AlTextBlock != null) AlTextBlock.Text = value; } } public string RD { get { if (RDTextBlock != null) return RDTextBlock.Text; else return String.Empty; } set { if (RDTextBlock != null) RDTextBlock.Text = value; } } public ImageSource Image { get { if (cArtImage != null) return cArtImage.Source; else return null; } set { if (cArtImage != null) cArtImage.Source = value; } } public string TracksXML { get { return _TracksXML; } set { _TracksXML = value; } } public double ImageWidth { get { if (cArtImage != null) return cArtImage.Width; else return double.NaN; } set { if (cArtImage != null) cArtImage.Width = value; } } public double ImageHeight { get { if (cArtImage != null) return cArtImage.Height; else return double.NaN; } set { if (cArtImage != null) cArtImage.Height = value; } } }

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  • MVVM - implementing 'IsDirty' functionality to a ModelView in order to save data

    - by Brendan
    Hi, Being new to WPF & MVVM I struggling with some basic functionality. Let me first explain what I am after, and then attach some example code... I have a screen showing a list of users, and I display the details of the selected user on the right-hand side with editable textboxes. I then have a Save button which is DataBound, but I would only like this button to display when data has actually changed. ie - I need to check for "dirty data". I have a fully MVVM example in which I have a Model called User: namespace Test.Model { class User { public string UserName { get; set; } public string Surname { get; set; } public string Firstname { get; set; } } } Then, the ViewModel looks like this: using System.Collections.ObjectModel; using System.Collections.Specialized; using System.Windows.Input; using Test.Model; namespace Test.ViewModel { class UserViewModel : ViewModelBase { //Private variables private ObservableCollection<User> _users; RelayCommand _userSave; //Properties public ObservableCollection<User> User { get { if (_users == null) { _users = new ObservableCollection<User>(); //I assume I need this Handler, but I am stuggling to implement it successfully //_users.CollectionChanged += HandleChange; //Populate with users _users.Add(new User {UserName = "Bob", Firstname="Bob", Surname="Smith"}); _users.Add(new User {UserName = "Smob", Firstname="John", Surname="Davy"}); } return _users; } } //Not sure what to do with this?!?! //private void HandleChange(object sender, NotifyCollectionChangedEventArgs e) //{ // if (e.Action == NotifyCollectionChangedAction.Remove) // { // foreach (TestViewModel item in e.NewItems) // { // //Removed items // } // } // else if (e.Action == NotifyCollectionChangedAction.Add) // { // foreach (TestViewModel item in e.NewItems) // { // //Added items // } // } //} //Commands public ICommand UserSave { get { if (_userSave == null) { _userSave = new RelayCommand(param => this.UserSaveExecute(), param => this.UserSaveCanExecute); } return _userSave; } } void UserSaveExecute() { //Here I will call my DataAccess to actually save the data } bool UserSaveCanExecute { get { //This is where I would like to know whether the currently selected item has been edited and is thus "dirty" return false; } } //constructor public UserViewModel() { } } } The "RelayCommand" is just a simple wrapper class, as is the "ViewModelBase". (I'll attach the latter though just for clarity) using System; using System.ComponentModel; namespace Test.ViewModel { public abstract class ViewModelBase : INotifyPropertyChanged, IDisposable { protected ViewModelBase() { } public event PropertyChangedEventHandler PropertyChanged; protected virtual void OnPropertyChanged(string propertyName) { PropertyChangedEventHandler handler = this.PropertyChanged; if (handler != null) { var e = new PropertyChangedEventArgs(propertyName); handler(this, e); } } public void Dispose() { this.OnDispose(); } protected virtual void OnDispose() { } } } Finally - the XAML <Window x:Class="Test.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:vm="clr-namespace:Test.ViewModel" Title="MainWindow" Height="350" Width="525"> <Window.DataContext> <vm:UserViewModel/> </Window.DataContext> <Grid> <ListBox Height="238" HorizontalAlignment="Left" Margin="12,12,0,0" Name="listBox1" VerticalAlignment="Top" Width="197" ItemsSource="{Binding Path=User}" IsSynchronizedWithCurrentItem="True"> <ListBox.ItemTemplate> <DataTemplate> <StackPanel> <TextBlock Text="{Binding Path=Firstname}"/> <TextBlock Text="{Binding Path=Surname}"/> </StackPanel> </DataTemplate> </ListBox.ItemTemplate> </ListBox> <Label Content="Username" Height="28" HorizontalAlignment="Left" Margin="232,16,0,0" Name="label1" VerticalAlignment="Top" /> <TextBox Height="23" HorizontalAlignment="Left" Margin="323,21,0,0" Name="textBox1" VerticalAlignment="Top" Width="120" Text="{Binding Path=User/UserName}" /> <Label Content="Surname" Height="28" HorizontalAlignment="Left" Margin="232,50,0,0" Name="label2" VerticalAlignment="Top" /> <TextBox Height="23" HorizontalAlignment="Left" Margin="323,52,0,0" Name="textBox2" VerticalAlignment="Top" Width="120" Text="{Binding Path=User/Surname}" /> <Label Content="Firstname" Height="28" HorizontalAlignment="Left" Margin="232,84,0,0" Name="label3" VerticalAlignment="Top" /> <TextBox Height="23" HorizontalAlignment="Left" Margin="323,86,0,0" Name="textBox3" VerticalAlignment="Top" Width="120" Text="{Binding Path=User/Firstname}" /> <Button Content="Button" Height="23" HorizontalAlignment="Left" Margin="368,159,0,0" Name="button1" VerticalAlignment="Top" Width="75" Command="{Binding Path=UserSave}" /> </Grid> </Window> So basically, when I edit a surname, the Save button should be enabled; and if I undo my edit - well then it should be Disabled again as nothing has changed. I have seen this in many examples, but have not yet found out how to do it. Any help would be much appreciated! Brendan

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  • Jquery Live Function

    - by marharépa
    Hi! I want to make this script to work as LIVE() function. Please help me! $(".img img").each(function() { $(this).cjObjectScaler({ destElem: $(this).parent(), method: "fit" }); }); the cjObjectScaler script (called in the html header) is this: (thanks for Doug Jones) (function ($) { jQuery.fn.imagesLoaded = function (callback) { var elems = this.filter('img'), len = elems.length; elems.bind('load', function () { if (--len <= 0) { callback.call(elems, this); } }).each(function () { // cached images don't fire load sometimes, so we reset src. if (this.complete || this.complete === undefined) { var src = this.src; // webkit hack from http://groups.google.com/group/jquery-dev/browse_thread/thread/eee6ab7b2da50e1f this.src = '#'; this.src = src; } }); }; })(jQuery); /* CJ Object Scaler */ (function ($) { jQuery.fn.cjObjectScaler = function (options) { /* user variables (settings) ***************************************/ var settings = { // must be a jQuery object method: "fill", // the parent object to scale our object into destElem: null, // fit|fill fade: 0 // if positive value, do hide/fadeIn }; /* system variables ***************************************/ var sys = { // function parameters version: '2.1.1', elem: null }; /* scale the image ***************************************/ function scaleObj(obj) { // declare some local variables var destW = jQuery(settings.destElem).width(), destH = jQuery(settings.destElem).height(), ratioX, ratioY, scale, newWidth, newHeight, borderW = parseInt(jQuery(obj).css("borderLeftWidth"), 10) + parseInt(jQuery(obj).css("borderRightWidth"), 10), borderH = parseInt(jQuery(obj).css("borderTopWidth"), 10) + parseInt(jQuery(obj).css("borderBottomWidth"), 10), objW = jQuery(obj).width(), objH = jQuery(obj).height(); // check for valid border values. IE takes in account border size when calculating width/height so just set to 0 borderW = isNaN(borderW) ? 0 : borderW; borderH = isNaN(borderH) ? 0 : borderH; // calculate scale ratios ratioX = destW / jQuery(obj).width(); ratioY = destH / jQuery(obj).height(); // Determine which algorithm to use if (!jQuery(obj).hasClass("cf_image_scaler_fill") && (jQuery(obj).hasClass("cf_image_scaler_fit") || settings.method === "fit")) { scale = ratioX < ratioY ? ratioX : ratioY; } else if (!jQuery(obj).hasClass("cf_image_scaler_fit") && (jQuery(obj).hasClass("cf_image_scaler_fill") || settings.method === "fill")) { scale = ratioX < ratioY ? ratioX : ratioY; } // calculate our new image dimensions newWidth = parseInt(jQuery(obj).width() * scale, 10) - borderW; newHeight = parseInt(jQuery(obj).height() * scale, 10) - borderH; // Set new dimensions & offset jQuery(obj).css({ "width": newWidth + "px", "height": newHeight + "px"//, // "position": "absolute", // "top": (parseInt((destH - newHeight) / 2, 10) - parseInt(borderH / 2, 10)) + "px", // "left": (parseInt((destW - newWidth) / 2, 10) - parseInt(borderW / 2, 10)) + "px" }).attr({ "width": newWidth, "height": newHeight }); // do our fancy fade in, if user supplied a fade amount if (settings.fade > 0) { jQuery(obj).fadeIn(settings.fade); } } /* set up any user passed variables ***************************************/ if (options) { jQuery.extend(settings, options); } /* main ***************************************/ return this.each(function () { sys.elem = this; // if they don't provide a destObject, use parent if (settings.destElem === null) { settings.destElem = jQuery(sys.elem).parent(); } // need to make sure the user set the parent's position. Things go bonker's if not set. // valid values: absolute|relative|fixed if (jQuery(settings.destElem).css("position") === "static") { jQuery(settings.destElem).css({ "position": "relative" }); } // if our object to scale is an image, we need to make sure it's loaded before we continue. if (typeof sys.elem === "object" && typeof settings.destElem === "object" && typeof settings.method === "string") { // if the user supplied a fade amount, hide our image if (settings.fade > 0) { jQuery(sys.elem).hide(); } if (sys.elem.nodeName === "IMG") { // to fix the weird width/height caching issue we set the image dimensions to be auto; jQuery(sys.elem).width("auto"); jQuery(sys.elem).height("auto"); // wait until the image is loaded before scaling jQuery(sys.elem).imagesLoaded(function () { scaleObj(this); }); } else { scaleObj(jQuery(sys.elem)); } } else { console.debug("CJ Object Scaler could not initialize."); return; } }); }; })(jQuery);

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  • Extended with advice: Moving block wont work in Javascript

    - by Mack
    Hello Note: this is an extension of a question I just asked, i have made the edits & taken the advice but still no luck I am trying to make a webpage where when you click a link, the link moves diagonally every 100 milliseconds. So I have my Javascript, but right now when I click the link nothing happens. I have run my code through JSLint (therefore changed comaprisions to === not ==, thats weird in JS?). I get this error from JSLink though: Error: Implied global: self 15,38, document 31 What do you think I am doing wrong? <script LANGUAGE="JavaScript" type = "text/javascript"> <!-- var block = null; var clockStep = null; var index = 0; var maxIndex = 6; var x = 0; var y = 0; var timerInterval = 100; // milliseconds var xPos = null; var yPos = null; function moveBlock() { if ( index < 0 || index >= maxIndex || block === null || clockStep === null ) { self.clearInterval( clockStep ); return; } block.style.left = xPos[index] + "px"; block.style.top = yPos[index] + "px"; index++; } function onBlockClick( blockID ) { if ( clockStep !== null ) { return; } block = document.getElementById( blockID ); index = 0; x = number(block.style.left); // parseInt( block.style.left, 10 ); y = number(block.style.top); // parseInt( block.style.top, 10 ); xPos = new Array( x+10, x+20, x+30, x+40, x+50, x+60 ); yPos = new Array( y-10, y-20, y-30, y-40, y-50, y-60 ); clockStep = self.SetInterval( moveBlock(), timerInterval ); } --> </script> <style type="text/css" media="all"> <!-- @import url("styles.css"); #blockMenu { z-index: 0; width: 650px; height: 600px; background-color: blue; padding: 0; } #block1 { z-index: 30; position: relative; top: 10px; left: 10px; background-color: red; width: 200px; height: 200px; margin: 0; padding: 0; /* background-image: url("images/block1.png"); */ } #block2 { z-index: 30; position: relative; top: 50px; left: 220px; background-color: red; width: 200px; height: 200px; margin: 0; padding: 0; /* background-image: url("images/block1.png"); */ } #block3 { z-index: 30; position: relative; top: 50px; left: 440px; background-color: red; width: 200px; height: 200px; margin: 0; padding: 0; /* background-image: url("images/block1.png"); */ } #block4 { z-index: 30; position: relative; top: 0px; left: 600px; background-color: red; width: 200px; height: 200px; margin: 0; padding: 0; /* background-image: url("images/block1.png"); */ } #block1 a { display: block; width: 100%; height: 100%; } #block2 a { display: block; width: 100%; height: 100%; } #block3 a { display: block; width: 100%; height: 100%; } #block4 a { display: block; width: 100%; height: 100%; } #block1 a:hover { background-color: green; } #block2 a:hover { background-color: green; } #block3 a:hover { background-color: green; } #block4 a:hover { background-color: green; } #block1 a:active { background-color: yellow; } #block2 a:active { background-color: yellow; } #block3 a:active { background-color: yellow; } #block4 a:active { background-color: yellow; } --> </style>

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  • Scrollbar still is painted after it should be removed

    - by Walter Williams
    I have the following custom control and can place on a form (with AutoScroll set to true and the control anchored left, top and right). If the form is too short for the control, the form correctly resizes the control (to make room for the scroll) and displays the scroll bar. When the control is closed using the close glyph, the control is resized and the scroll bar is removed, but occasionally the scroll bar appears to remain painted. If the form is minimized or moved off-screen, the leftover paint is removed. I've tried Parent.Invalidate and have toyed with it in many ways but to no avail. Any suggestions? (Using VS 2008 Standard) using System; using System.ComponentModel; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; namespace GroupPanelTest { public class GroupPanel : GroupBox { #region Members private const Int32 iHeaderHeight = 20; private Int32 iFullHeight = 200; private Boolean bClosed = false; private Rectangle rectCloseGlyphBounds = Rectangle.Empty; private Boolean bIsMoveOverCloseGlyph = false; #endregion #region Properties [DefaultValue(false)] public Boolean Closed { get { return (this.bClosed); } set { if (this.bClosed != value) { this.bClosed = value; if (this.bClosed) { this.iFullHeight = base.Height; base.Height = GroupPanel.iHeaderHeight; } else { base.Height = this.iFullHeight; } foreach (Control con in base.Controls) con.Visible = !this.bClosed; this.Invalidate(); } } } public new Int32 Height { get { return (base.Height); } set { if (value != base.Height) { if (this.Closed) { this.iFullHeight = value; } else { Int32 iOldHeight = base.Height; base.Height = value; } } } } [DefaultValue(typeof(Size), "350,200")] public new Size Size { get { return (base.Size); } set { if (base.Size != value) { base.Size = value; if (!this.Closed) this.iFullHeight = value.Height; } } } [DefaultValue(typeof(Padding), "0,7,0,0")] public new Padding Padding { get { return (base.Padding); } set { base.Padding = value; } } #endregion #region Construction public GroupPanel () { SetStyle(ControlStyles.UserPaint, true); SetStyle(ControlStyles.ResizeRedraw, true); SetStyle(ControlStyles.AllPaintingInWmPaint, true); SetStyle(ControlStyles.OptimizedDoubleBuffer, true); SetStyle(ControlStyles.Selectable, true); this.Size = new Size(350, 200); this.Padding = new Padding(0, 7, 0, 0); // the groupbox will add to that this.rectCloseGlyphBounds = new Rectangle(base.ClientSize.Width - 24, 2, 16, 16); } #endregion #region Overrides protected override void OnSizeChanged (EventArgs e) { this.rectCloseGlyphBounds = new Rectangle(base.ClientSize.Width - 24, 2, 16, 16); base.OnSizeChanged(e); } protected override void OnPaint (PaintEventArgs e) { base.OnPaint(e); // we want all the delegates to receive the events, but we do this first so we can paint over it Graphics g = e.Graphics; g.FillRectangle(SystemBrushes.Window, this.ClientRectangle); Rectangle rectTitle = new Rectangle(0, 0, this.ClientRectangle.Width, GroupPanel.iHeaderHeight); g.FillRectangle(SystemBrushes.Control, rectTitle); g.DrawString(this.Text, this.Font, SystemBrushes.ControlText, new PointF(5.0f, 3.0f)); if (this.bIsMoveOverCloseGlyph) { g.FillRectangle(SystemBrushes.ButtonHighlight, this.rectCloseGlyphBounds); Rectangle rectBorder = this.rectCloseGlyphBounds; rectBorder.Inflate(-1, -1); g.DrawRectangle(SystemPens.Highlight, rectBorder); } using (Pen pen = new Pen(SystemColors.ControlText, 1.6f)) { if (this.Closed) { g.DrawLine(pen, this.rectCloseGlyphBounds.Left + 3, this.rectCloseGlyphBounds.Top + 3, this.rectCloseGlyphBounds.Left + 8, this.rectCloseGlyphBounds.Top + 8); g.DrawLine(pen, this.rectCloseGlyphBounds.Left + 13, this.rectCloseGlyphBounds.Top + 3, this.rectCloseGlyphBounds.Left + 8, this.rectCloseGlyphBounds.Top + 8); g.DrawLine(pen, this.rectCloseGlyphBounds.Left + 3, this.rectCloseGlyphBounds.Top + 7, this.rectCloseGlyphBounds.Left + 8, this.rectCloseGlyphBounds.Top + 12); g.DrawLine(pen, this.rectCloseGlyphBounds.Left + 13, this.rectCloseGlyphBounds.Top + 7, this.rectCloseGlyphBounds.Left + 8, this.rectCloseGlyphBounds.Top + 12); } else { g.DrawLine(pen, this.rectCloseGlyphBounds.Left + 3, this.rectCloseGlyphBounds.Top + 8, this.rectCloseGlyphBounds.Left + 8, this.rectCloseGlyphBounds.Top + 3); g.DrawLine(pen, this.rectCloseGlyphBounds.Left + 13, this.rectCloseGlyphBounds.Top + 8, this.rectCloseGlyphBounds.Left + 8, this.rectCloseGlyphBounds.Top + 3); g.DrawLine(pen, this.rectCloseGlyphBounds.Left + 3, this.rectCloseGlyphBounds.Top + 12, this.rectCloseGlyphBounds.Left + 8, this.rectCloseGlyphBounds.Top + 7); g.DrawLine(pen, this.rectCloseGlyphBounds.Left + 13, this.rectCloseGlyphBounds.Top + 12, this.rectCloseGlyphBounds.Left + 8, this.rectCloseGlyphBounds.Top + 7); } } } protected override void OnMouseDown (MouseEventArgs e) { if (e.Button == MouseButtons.Left && this.rectCloseGlyphBounds.Contains(e.Location)) this.Closed = !this.Closed; // close will call invalidate base.OnMouseDown(e); } protected override void OnMouseMove (MouseEventArgs e) { this.bIsMoveOverCloseGlyph = this.rectCloseGlyphBounds.Contains(e.Location); this.Invalidate(this.rectCloseGlyphBounds); base.OnMouseMove(e); } #endregion } }

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  • A "never seen before" javascript error (Access to property denied" code: "1010)

    - by davykiash
    I was testing my jqgrid and when I was attempting to add details through jqgrid's modal window I can accross the following error in my firebug console.(Am using mozilla) Access to property denied" code: "1010 checkValues("2010-04-20", 5, table#list.ui-jqgrid-btable)grid.common.js (line 441) postIt()grid.formedit.js (line 794) anonymous(Object originalEvent=Event click type=click)grid.formedit.js (line 463) anonymous(Object originalEvent=Event click type=click)jquery-1....2.min.js (line 19) anonymous()jquery-1....2.min.js (line 19) Where do I start in solving this issue?

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  • How do I work around this problem creating a virtualenv environment with a custom-build Python?

    - by Daryl Spitzer
    I need to run some code on a Linux machine with Python 2.3.4 pre-installed. I'm not on the sudoers list for that machine, so I built Python 2.6.4 into (a subdirectory in) my home directory. Then I attempted to use virtualenv (for the first time), but got: $ Python-2.6.4/python virtualenv/virtualenv.py ENV New python executable in ENV/bin/python Could not find platform dependent libraries <exec_prefix> Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>] Installing setuptools......... Complete output from command /apps/users/dspitzer/ENV/bin/python -c "#!python \"\"\"Bootstrap setuptoo... " /apps/users/dspitzer/virtualen...6.egg: Could not find platform dependent libraries <exec_prefix> Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>] 'import site' failed; use -v for traceback Traceback (most recent call last): File "<string>", line 67, in <module> ImportError: No module named md5 ---------------------------------------- ...Installing setuptools...done. Traceback (most recent call last): File "virtualenv/virtualenv.py", line 1488, in <module> main() File "virtualenv/virtualenv.py", line 529, in main use_distribute=options.use_distribute) File "virtualenv/virtualenv.py", line 619, in create_environment install_setuptools(py_executable, unzip=unzip_setuptools) File "virtualenv/virtualenv.py", line 361, in install_setuptools _install_req(py_executable, unzip) File "virtualenv/virtualenv.py", line 337, in _install_req cwd=cwd) File "virtualenv/virtualenv.py", line 590, in call_subprocess % (cmd_desc, proc.returncode)) OSError: Command /apps/users/dspitzer/ENV/bin/python -c "#!python \"\"\"Bootstrap setuptoo... " /apps/users/dspitzer/virtualen...6.egg failed with error code 1 Should I be setting PYTHONHOME to some value? (I intentionally named my ENV "ENV" for lack of a better name.) Not knowing if I can ignore those errors, I tried installing nose (0.11.1) into my ENV: $ cd nose-0.11.1/ $ ls AUTHORS doc/ lgpl.txt nose.egg-info/ selftest.py* bin/ examples/ MANIFEST.in nosetests.1 setup.cfg build/ functional_tests/ NEWS PKG-INFO setup.py CHANGELOG install-rpm.sh* nose/ README.txt unit_tests/ $ ~/ENV/bin/python setup.py install Could not find platform dependent libraries <exec_prefix> Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>] Traceback (most recent call last): File "setup.py", line 1, in <module> from nose import __version__ as VERSION File "/apps/users/dspitzer/nose-0.11.1/nose/__init__.py", line 1, in <module> from nose.core import collector, main, run, run_exit, runmodule File "/apps/users/dspitzer/nose-0.11.1/nose/core.py", line 3, in <module> from __future__ import generators ImportError: No module named __future__ Any advice?

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  • IKVM complex custom type error in remapping to properties!

    - by manishKungwani
    hi, I used the above and wrote this: <class name="umple.pts.domain.coreEntities.Stop"> <property name="StopName" sig="()Ljava.lang.String;"> <getter name="getName" sig="()Ljava.lang.String;" /> <setter name="setName" sig="(Ljava.lang.String;)Z" /> </property> <property name="StopId" sig="()I"> <getter name="getStopId" sig="()I" /> <setter name="setStopId" sig="(I)V" /> </property> </class> <class name="umple.pts.domain.coreEntities.Line"> <property name="LineName" sig="()Ljava.lang.String;"> <getter name="getName" sig="()Ljava.lang.String;" /> <setter name="setName" sig="(Ljava.lang.String;)V" /> </property> <property name="LineId" sig="()I"> <getter name="getLineId" sig="()I" /> <setter name="setLineId" sig="(I)V" /> </property> <property name="FirstEndStop" sig="()umple.pts.domain.coreEntities.Stop;"> <getter name="getFirstEndStop" sig="()umple.pts.domain.coreEntities.Stop;" /> <setter name="setFirstEndStop" sig="(umple.pts.domain.coreEntities.Stop;)Z" / / / I get an error while generating the dll file: D:\PTS\PTS_SVN\Libraries\ikvm-0.44.0.5\binikvmc -remap:map.xml -target:library PTSDomain.jar Note IKVMC0002: output file is "PTSDomain.dll" Error: Invalid property signature '()umple.pts.domain.coreEntities.Stop;' in rem ap file for property umple.pts.domain.coreEntities.Line.FirstEndStop Error: Invalid property getter signature '()umple.pts.domain.coreEntities.Stop;' in remap file for property umple.pts.domain.coreEntities.Line.FirstEndStop Error: Invalid property setter signature '(umple.pts.domain.coreEntities.Stop;)Z ' in remap file for property umple.pts.domain.coreEntities.Line.FirstEndStop Error: Invalid property signature '()umple.pts.domain.coreEntities.Stop;' in rem ap file for property umple.pts.domain.coreEntities.Line.SecondEndStop Error: Invalid property getter signature '()umple.pts.domain.coreEntities.Stop;' in remap file for property umple.pts.domain.coreEntities.Line.SecondEndStop Error: Invalid property setter signature '(umple.pts.domain.coreEntities.Stop;)Z ' in remap file for property umple.pts.domain.coreEntities.Line.SecondEndStop Error: Invalid property signature '()[umple.pts.domain.coreEntities.Stop;' in re map file for property umple.pts.domain.coreEntities.Line.Stops Error: Invalid property getter signature '()[umple.pts.domain.coreEntities.Stop; ' in remap file for property umple.pts.domain.coreEntities.Line.Stops Error: Invalid property setter signature '([umple.pts.domain.coreEntities.Stop;) Z' in remap file for property umple.pts.domain.coreEntities.Line.Stops D:\PTS\PTS_SVN\Libraries\ikvm-0.44.0.5\bin Can i use the custom properties or will i have to do that via some other way??

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  • CSS text-decoration rule ignored

    - by Ferdy
    I have found similar questions to mine but none of the suggestions seems to apply to my situation, so here goes... I have a webpage with a buch of images on them. Each image has a title which in markup is between h2 tags. The title is a link, so the resulting markup is like this: <ul class="imagelist"> <li> <a href=""><h2>Title 1</h2></a> <a href=""><img src="" /></a> </li> <li> Image 2, etc... </li> </ul> All I want is for the title links to not be underlined. I tried to address this like this: .imagelist li a h2 { color:#333; text-decoration:none; } It completely ignores the text-decoration rule, yet respects the color rule. From other questions I learned that this could be because a child element cannot overrule the text-decoration of any of its parents. So, I went looking for the parent elements to see if any explicit text-decoration rules are applied. I found none. This is driving me crazy, any help? For the sake of completeness, here is the Firebug CSS output, which shows the full inheritance and such. Probably more than you want, but I cannot see anything conflicting here. .imagelist li a h2 { color:#333333; text-decoration:none; } main.css (line 417) h2 { font-size:14px; } main.css (line 40) h1, h2, h3, h4, h5, h6 { display:block; font-weight:bold; margin-bottom:10px; } main.css (line 38) h1, h2, h3, h4, h5, h6 { font-size:100%; font-weight:normal; } reset-min.css (line 7) body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, textarea, p, blockquote, th, td { margin:0; padding:0; } reset-min.css (line 7) Inherited froma /apps/ju...mage/745 a { color:#0063E2; } main.css (line 55) Inherited fromli .imagelist li { list-style-type:none; } main.css (line 411) li { list-style:none outside none; } reset-min.css (line 7) Inherited fromul.imagelist .imagelist { border-collapse:collapse; font-size:9px; } main.css (line 410) Inherited frombody body, form { color:#333333; font:12px arial,helvetica,clean,sans-serif; } main.css (line 36) Inherited fromhtml html { color:#000000;

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  • Calendar event problems

    - by Marin
    Goodmorning everybody! Can you please help me? I have a problem with this part of the script: $output = cal_top(); switch($action){ case "add": include("includes/event.php"); $output .= cal_event_form('add'); break; case "delete": include("includes/delete.php"); include('includes/viewdate.php'); $del_error = cal_del(); if($del_error!="") $output .= "<center><span class='failure'>$del_error</span></center><br>"; $output .= cal_display(); break; case "modify": include("includes/event.php"); $output .= cal_event_form('modify'); break; case "viewdate": include("includes/viewdate.php"); $output .= cal_display(); break; case "viewevent": include("includes/viewevent.php"); $output .= cal_display(); break; case "search": include("includes/search.php"); $output .= cal_search_form(); break; case "submitevent": include('includes/eventsub.php'); include('includes/viewdate.php'); $sub_error = cal_submit_event(); if($sub_error!="") $output .= "<center><span class='failure'>$sub_error</span></center><br>"; $output .= cal_display(); $_SESSION['cal_action'] = "viewdate"; break; case "admin": include('includes/admin.php'); $output .= cal_adminsection(); break; case "login": $_SESSION['cal_noautologin'] = 1; include('includes/login.php'); $output .= cal_login_page(); break; case "logout": cal_logout(); $_SESSION['cal_noautologin'] = 1; cal_clear_permissions(); cal_load_permissions(); It shows me this errors: Notice: Undefined variable: action in C:\wamp\www\ReeceCalendar_0.9\cal\index.php on line 145 Notice: Undefined variable: action in C:\wamp\www\ReeceCalendar_0.9\cal\index.php on line 149 Notice: Undefined variable: action in C:\wamp\www\ReeceCalendar_0.9\cal\index.php on line 156 Notice: Undefined variable: action in C:\wamp\www\ReeceCalendar_0.9\cal\index.php on line 160 Notice: Undefined variable: action in C:\wamp\www\ReeceCalendar_0.9\cal\index.php on line 164 Notice: Undefined variable: action in C:\wamp\www\ReeceCalendar_0.9\cal\index.php on line 168 Notice: Undefined variable: action in C:\wamp\www\ReeceCalendar_0.9\cal\index.php on line 172 Notice: Undefined variable: action in C:\wamp\www\ReeceCalendar_0.9\cal\index.php on line 180 Notice: Undefined variable: action in C:\wamp\www\ReeceCalendar_0.9\cal\index.php on line 184 Notice: Undefined variable: action in C:\wamp\www\ReeceCalendar_0.9\cal\index.php on line 189 Your help could be very helpful for me!Please Help me;)Thank you.

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  • how does pipe work

    - by lego69
    hello, explain me please how exactly pipe works, for example I have this snippet of the code set line = ($<) while(${#line} != 0) if(${#line} == 5) then echo line | sort | ./calculate ${1} endif set line = ($<) end I need to choose all rows with 5 words and after sort it and after transfer, but I'm confused, how will it work, first of all 'while' will take all information and after that transfer it to sort, or every iteration 'while' will do sort? thanks in advance

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  • Why is the value of this string, in a bash script, being executing?

    - by Ross
    Hello Why is this script executing the string in the if statement: #!/bin/bash FILES="*" STRING='' for f in $FILES do if ["$STRING" = ""] then echo first STRING='hello' else STRING="$STRING hello" fi done echo $STRING when run it with sh script.sh outputs: first lesscd.sh: line 7: [hello: command not found lesscd.sh: line 7: [hello hello: command not found lesscd.sh: line 7: [hello hello hello: command not found lesscd.sh: line 7: [hello hello hello hello: command not found lesscd.sh: line 7: [hello hello hello hello hello: command not found hello hello hello hello hello hello p.s. first attempt at a shell script thanks

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  • How do I create a list or set object in a class in Python?

    - by Az
    For my project, the role of the Lecturer (defined as a class) is to offer projects to students. Project itself is also a class. I have some global dictionaries, keyed by the unique numeric id's for lecturers and projects that map to objects. Thus for the "lecturers" dictionary (currently): lecturer[id] = Lecturer(lec_name, lec_id, max_students) I'm currently reading in a white-space delimited text file that has been generated from a database. I have no direct access to the database so I haven't much say on how the file is formatted. Here's a fictionalised snippet that shows how the text file is structured. Please pardon the cheesiness. 0001 001 "Miyamoto, S." "Even Newer Super Mario Bros" 0002 001 "Miyamoto, S." "Legend of Zelda: Skies of Hyrule" 0003 002 "Molyneux, P." "Project Milo" 0004 002 "Molyneux, P." "Fable III" 0005 003 "Blow, J." "Ponytail" The structure of each line is basically proj_id, lec_id, lec_name, proj_name. Now, I'm currently reading the relevant data into the relevant objects. Thus, proj_id is stored in class Project whereas lec_name is a class Lecturer object, et al. The Lecturer and Project classes are not currently related. However, as I read in each line from the text file, for that line, I wish to read in the project offered by the lecturer into the Lecturer class; I'm already reading the proj_id into the Project class. I'd like to create an object in Lecturer called offered_proj which should be a set or list of the projects offered by that lecturer. Thus whenever, for a line, I read in a new project under the same lec_id, offered_proj will be updated with that project. If I wanted to get display a list of projects offered by a lecturer I'd ideally just want to use print lecturers[lec_id].offered_proj. My Python isn't great and I'd appreciate it if someone could show me a way to do that. I'm not sure if it's better as a set or a list, as well. Update After the advice from Alex Martelli and Oddthinking I went back and made some changes and tried to print the results. Here's the code snippet: for line in csv_file: proj_id = int(line[0]) lec_id = int(line[1]) lec_name = line[2] proj_name = line[3] projects[proj_id] = Project(proj_id, proj_name) lecturers[lec_id] = Lecturer(lec_id, lec_name) if lec_id in lecturers.keys(): lecturers[lec_id].offered_proj.add(proj_id) print lec_id, lecturers[lec_id].offered_proj The print lecturers[lec_id].offered_proj line prints the following output: 001 set([0001]) 001 set([0002]) 002 set([0003]) 002 set([0004]) 003 set([0005]) It basically feels like the set is being over-written or somesuch. So if I try to print for a specific lecturer print lec_id, lecturers[001].offered_proj all I get is the last the proj_id that has been read in.

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  • Mulitple lines in make

    - by Navi
    I am trying to store a multiline string in a variable in make var=$(shell cat <<End-of-message \ -------------------------------------\ This is line 1 of the message.\ This is line 2 of the message.\ This is line 3 of the message.\ This is line 4 of the message.\ This is the last line of the message.\ -------------------------------------\ End-of-message) printit: @echo ${var} This doesn't work, so I am wondering if this is possible at all. I need to preserve the newlines here and shell is converting them in spaces. Any suggestions?

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