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  • Error with default argument in Source.getLines (Scala 2.8.0 RC1)

    - by Derek
    assuming I running Scala 2.8.0 RC1, the following scala code should print out the content of the file "c:/hello.txt" for ( line<-Source.fromPath( "c:/hello.txt" ).getLines ) println( line ) However, when I run it, I get the following error <console>:10: error: missing arguments for method getLines in class Source; follow this method with `_' if you want to treat it as a partially applied function Error occured in an application involving default arguments. val it = Source.fromPath("c:/hello.scala").getLines From what I understand, Scala should use the default argument "compat.Platform.EOL" for "getLines". I am wondering if I did wrong or is it a bug in scala 2.8 Thanks

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  • Default input and output buffering for fopen'd files?

    - by Evan Teran
    So a FILE stream can have both input and output buffers. You can adjust the output stream using setvbuf (I am unaware of any method to play with the input buffer size and behavior). Also, by default the buffer is BUFSIZ (not sure if this is a POSIX or C thing). It is very clear what this means for stdin/stdout/stderr, but what are the defaults for newly opened files? Are they buffered for both input and output? Or perhaps just one? If it is buffered, does output default to block or line mode?

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  • How to ste default name to GtkComboBox?

    - by PP
    Hello, I want to set my GtkComboBox to have some default name on it as follows: +---------------+---+ | Image Options | X | +---------------+---+ | Image Option 1 | +-------------------+ | Image Option 2 | +-------------------+ | Image Option 3 | +-------------------+ Thanks, PP.

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  • ToolStripComboBox + objects default string value

    - by Martin
    I am using a ToolStripComboBox to list some data. I am populating this combo with some custom objects: For Each obj As myObject In myObjectList myToolStripComboBox.Items.Add(obj) Next This works great except the text displayed in the combo is the name of the object class. I can understand why and realise that I need to do something to make the combo use a property from my class instead. The help files state: To add objects to the list at run time, assign an array of object references with the AddRange method. The list then displays the default string value for each object. You can add individual objects with the Add method. The bit in bold suggests I need to setup the default string value in my class. How would I go about doing this?

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  • Loading zsh as the default shell in gnu screen

    - by joel
    Hello, Im using KUbuntu 10.04 (Lucid Lynx). I have installed zsh and screen. I have set zsh as the default shell, by setting Command to zsh in Settings-Edit Current Profile of the terminal. But,when i launch screen,the bash shell is loaded. If i run the command zsh, then zsh starts but the following message is displayed: "/home/joel/.zshrc:36: Can't add module parameter `mapfile': parameter already exists" Also,zsh is invoked for only the current screen instance and i have to invoke it manually again for other instances. So,is there any way to make screen load zsh by default and invoke it automatically for every instance ? Thank You

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  • Scaffold default files are the best practice?

    - by antpaw
    Hey, i have some experience with MVC. but I'm new to rails. I'm using the scaffold command to generate some default files. The model looks clean and nice, but the controller and the views aren't really dry. The contents of new.html.erb and edit.html.erb are almost the same and the methods new/edit and create/update are doing almost the same thing. In other frameworks i've used only one view for updating and creating new entries and also the same method in my controller by setting the id as an optional parameter. Do they use this structure to keep things RESTful (i have not much of a clue about rest :()? Is it the best practice to use this default stuff for crud?

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  • ASP .net MVC Invoking default controller and action vs Setting a startup page

    - by SARAVAN
    Hi, I am developing code on the sample ASP .net MVC template provided by VS2010. The first time I ran the code without adding anything, the index.aspx page was invoked which is expected. But for some reasons I added a login.aspx and then accidentally set that as a startup page. Now when I ran the application the default startup url look like http://localhost/Views/login.aspx. I am thinking this is not a valid MVC routing path and I get the requested resource cannot be found error. I am not sure how to revert this back and make sure the default ../home/index is invoked. Can any one throw some light on this? Also should I not set the startup page as we do in asp .net webforms?

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  • System.Uri("") in default browser?

    - by Hallgaws
    I am using special program where it loads some url imagine it like window with automatically load www.google.com - program starts and it load the site - BUT when you click on some links in the program window it opens in default browser - how it can be opened in default browser - I am using this code: <Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _ Partial Class Form1 Inherits System.Windows.Forms.Form <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overrides Sub Dispose(ByVal disposing As Boolean) Try If disposing AndAlso components IsNot Nothing Then components.Dispose() End If Finally MyBase.Dispose(disposing) End Try End Sub Private components As System.ComponentModel.IContainer <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.components = New System.ComponentModel.Container Dim resources As System.ComponentModel.ComponentResourceManager = New System.ComponentModel.ComponentResourceManager(GetType(Form1)) Me.WB = New System.Windows.Forms.WebBrowser ..... ..... Me.WB.Url = New System.Uri("http://www.google.com/", System.UriKind.Absolute) Using Visual Basic 2008

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  • jQuery default/placeholder input text and problems with saved information

    - by user318106
    Hey Guys, I'm new to jQuery and have an annoying problem. I have some login fields that are filled with default text when the field is empty and then removed when clicked. My problem is that when the user has their username/password saved (with browser), if they return to the page the login fields are filled with the users saved input as well as the default input. $('#login input.text').each(function(i, field) { field = $(field); if (field.val().length 0) { field.prev().css('display', 'none'); } field.focus(function() { field.prev().css('display', 'none'); }).blur(function() { if (field.val() == '') field.prev().css('display', 'block'); }); })

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  • Setting property default values for a Web User Control

    - by Jeremy Holland
    I am trying to build a web user control and set some default values for its properties in the code-behind like this: [DefaultValue(typeof(int), "50")] public int Height { get; set; } [DefaultValue(typeof(string), "string.Empty")] public string FamilyName { get; set; } [DefaultValue(typeof(Color), "Orange")] public System.Drawing.Color ForeColor { get; set; } When I add the user control to the page and call it without any properties: <uc1:Usercontrol ID="uc" runat="server" /> the default values are not set and every property is 0 or null. What am I doing wrong? Thanks.

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  • MVC4 link automatically redirected to default INDEX page/action even if defined action name with controller

    - by Raj Tamakuwala
    i am creating web mobile application in mvc4. My problem is when I click on particular link in my application,it works well, but sometimes it automatically redirected to INDEX page that is set as default page in global.asax as routes.MapRoute( "Default", // Route name "{controller}/{action}/{id}", // URL with parameters new { controller = "Home", action = "Index", id = UrlParameter.Optional } // Parameter defaults ); Now I don't know why its automatically redirected to INDEX page,even if I have already defined controller and action name where it show redirected as, <a href='@(Url.Action( "ActivityWall", "Home"))' > </a> logically it should redirect to "ActivityWall" page,which it does.but sometime only it goes to INDEX page.then when I clear my cookie problem will again solved but after some time it again start redirecting to INDEX page. I also posted question related to cookies issue yesterday,but I think that is nit main issue. can someone help please ?

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  • Objective-C / C giving enums default values

    - by bandejapaisa
    I read somewhere about giving enums default values like so: typedef enum { MarketNavigationTypeNone = 0, MarketNavigationTypeHeirachy = 1, MarketNavigationTypeMarket = 2 } MarketNavigationLevelType; .. but i can't remember the value of doing this. If i don't give them default values - and then someone later on reorders the enum - what are the risks? If i always use the enum name and don't even refer to them by their integer value, is there any risks? The only possible problem i can think of is if i'm initialising an enum from an int value from a DB - and the enum is reordered - then the app would break.

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  • Why won't C++ allow this default value

    - by nieldw
    Why won't GCC allow a default parameter here? template<class edgeDecor, class vertexDecor, bool dir> Graph<edgeDecor,int,dir> Graph<edgeDecor,vertexDecor,dir>::Dijkstra(vertex s, bool print = false) const { This is the output I get: graph.h:82: error: default argument given for parameter 2 of ‘Graph<edgeDecor, int, dir> Graph<edgeDecor, vertexDecor, dir>::Dijkstra(Vertex<edgeDecor, vertexDecor, dir>, bool)’ graph.h:36: error: after previous specification in ‘Graph<edgeDecor, int, dir> Graph<edgeDecor, vertexDecor, dir>::Dijkstra(Vertex<edgeDecor, vertexDecor, dir>, bool)’ Can anyone see why I'm getting this?

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  • create_function with default parameter values?

    - by SoLoGHoST
    Ok, I'm looking into using create_function for what I need to do, and I don't see a way to define default parameter values with it. Is this possible? If so, what would be the best approach for inputting the params into the create_function function in php? Perhaps using addslashes? Well, for example, I have a function like so: function testing($param1 = 'blah', $param2 = array()) { if($param1 == 'blah') return $param1 else { $notblah = ''; if (count($param2) >= 1) { foreach($param2 as $param) $notblah .= $param; return $notblah; } else return 'empty'; } } Ok, so how would I use create_function to do the same thing, adding the parameters and their default values? The thing is, the parameters are coming from a TEXT file, as well as the function itself. So, wondering on the best approach for this using create_function and how exactly the string should be parsed. Thanks :)

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  • jquery.validation - how to ignore default values when validating mandatory fields

    - by jack
    I am using jquery validation plugin to validate a registration form. Each text input field has instructions pre-filled as values in the input box ex: for a text-input box id='Name', the default value will be set to 'Enter Your Name'. I have pasted below sample code: <input type="text" id="Name" value="Enter Your Name" onfocus="if(this.value == 'Your Name'){this.value = '';}" type="text" class="required" onblur="if(this.value == ''){this.value='Your Name';}" size="25" /> What I need to know is how to specify in the validation rule such that the plugin throws a required field error if the input box contains either the default message or empty values. Help much appreciated.

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  • Html.RadioButton group defaulting to 0

    - by awrigley
    Hi A default value of 0 is creeping into a Surveys app I am developing, for no reason that I can see. The problem is as follows: I have a group of Html.RadioButtons that represent the possible values a user can choose to answer a survey question (1 == Not at all, 2 == A little, 3 == A lot). I have used a tinyint datatype, that does not allow null, to store the answer to each question. The view code looks like this: <ol class="SurveyQuestions"> <% foreach (SurveyQuestion question in Model.Questions) { string col = question.QuestionColumn; %> <li><%=question.QuestionText%> <ul style="float:right;" class="MultiChoice"> <li><%= Html.RadioButton(col, "1")%></li> <li><%= Html.RadioButton(col, "2")%></li> <li><%= Html.RadioButton(col, "3")%></li> </ul> <%= Html.ValidationMessage(col, "*") %> </li> <% } %> </ol> [Note on the above code:] Each survey has about 70 questions, so I have put the questions text in one table, and store the results in a different table. I have put the Questions into my form view model (hence Model.Questions); the questions table has a field called QuestionColumn that allows me to link up the answer table column to the question, as shown above (<%= Html.RadioButton(col, "1")%, etc) [/Note] However, when the user DOESN'T answer the question, the value 0 is getting inserted into the database column. As a result, I don't get what I expect, ie, a validation error. In no place have I stipulated a default value of 0 for the fields in the answers table. So what is happening? Any ideas?

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  • Rails 3 respond_to: default format?

    - by bdorry
    I am converting a Rails 2 application to Rails 3. I currently have a controller set up like the following: class Api::RegionsController < ApplicationController respond_to :xml, :json end with and an action that looks like the following: def index @regions = Region.all respond_with @regions end The implementation is pretty straightforward, api/regions, api/regions.xml and api/regions.json all respond as you would expect. The problem is that I want api/regions by default to respond via XML. I have consumers that expect an XML response and I would hate to have them change all their URLs to include .xml unless absolutely necessary. In Rails 2 you would accomplish that by doing this: respond_to do |format| format.xml { render :xml => @region.to_xml } format.json { render :json => @region.to_json } end But in Rails 3 I cannot find a way to default it to an XML response. Any ideas?

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  • host the silverlight application in a new website(default.aspx)

    - by Piyush
    when I create new silverlight project it asks Host the Silverlight application in a new Website followed by two fields- 1. Name: projectName.web 2. Type: ASP.Net Web Application Project OR Asp.Net Web Site when I uncheck this checkbox VS doen not create projectName.web project but when I check this VS creates two projects 1. projectName--contains .xaml pages 2. projectName.web-- contains default.aspx page.................. So my question is - Is it must to host silverlight app from a new website(default.aspx page) OR cant we directly host .xaml page? ProjectName.Web project is req.?? –

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  • Get back the default browser styling for input fields

    - by meo
    I need to style all the input fields but one. So i have set a rule for all the inputs on the site. For the seachfield i need to use the browser default, so i was thinking i could just inherit all the values i have set for the general input fields. (have tried border: none to) This does not work in FF nor Safari :( The border just gets transparent. http://jsfiddle.net/N5KKH/1/ Any idea how i could get the default browser styling back? EDIT: i need the first input field look like the second one: http://jsfiddle.net/N5KKH/2/

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  • Calling base class constructor

    - by The Void
    In the program below, is the line Derived(double y): Base(), y_(y) correct/allowed? That is, does it follow ANSI rules? #include <iostream> class Base { public: Base(): x_(0) { std::cout << "Base default constructor called" << std::endl; } Base(int x): x_(x) { std::cout << "Base constructor called with x = " << x << std::endl; } void display() const { std::cout << x_ << std::endl; } protected: int x_; }; class Derived: public Base { public: Derived(): Base(1), y_(1.2) { std::cout << "Derived default constructor called" << std::endl; } Derived(double y): Base(), y_(y) { std::cout << "Derived constructor called with y = " << y << std::endl; } void display() const { std::cout << Base::x_ << ", " << y_ << std::endl; } private: double y_; }; int main() { Base b1; b1.display(); Derived d1; d1.display(); std::cout << std::endl; Base b2(-9); b2.display(); Derived d2(-8.7); d2.display(); return 0; }

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