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  • How to implement a list fold in Java

    - by Peter Kofler
    I have a List and want to reduce it to a single value (functional programing term "fold", Ruby term "inject"), like Arrays.asList("a", "b", "c") ... fold ... "a,b,c" As I am infected with functional programing ideas (Scala), I am looking for an easier/shorter way to code it than sb = new StringBuilder for ... { append ... } sb.toString

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  • Adding file names to an array list in java

    - by Chris G
    Hi I am currently needing to load the contents of a folders filenames to an arraylist I have but I am unsure as how to do this. To put it into perspective I have a folder with One.txt, Two.txt, Three.txt etc. I want to be able to load this list into an arraylist so that if I was to check the arraylist its contents would be : arraylist[0] = One arraylist[1] = Two arraylist[3] = Three If anyone could give me any insight into this it would be much appreciated.

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  • Drop down list in ASP.NET

    - by S.Siva
    Hi friends, I'm having a dropdown list in my web page. And it contains two lists. 1. Yes 2.No. If we select yes then the desired text box and label will visible, else it won't be visible. So hw to do this?

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  • How to assign XML attribute values to drop down list using XSL

    - by Vijay
    Hi, I have a sample xml as; <?xml version="1.0" encoding="iso-8859-9"?> <DropDownControl id="dd1" name="ShowValues" choices="choice1,choice2,choice3,choice4"> </DropDownControl > I need to create a UI representation of this XML using XSL. I want to fill the drop down list with values specified in choices attribute. Does anyone have any idea about this ? Thanks in advance :)

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  • C# WebClient list

    - by Linton day
    Hello Im trying to make a chat program like skype in c# and having some trouble gavring/updating the messages, what i tryed was foreach value in a database add it into listbox1, and i did a timer every second do that.. but it kept adding it again every second repeating like it was on loop So then i sat down and thought how can i do this, so i come up with webclient download a list of messages by php and foreach line in the webclient add it to a listbox! is there any way of doing this?

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  • in python how to remove this \n from string or list

    - by pritesh modi
    this is my main string "action","employee_id","name" "absent","pritesh",2010/09/15 00:00:00 so after name coolumn its goes to new line but here i append to list a new line character is added and make it like this way data_list*** ['"action","employee_id","name"\n"absent","pritesh",2010/09/15 00:00:00\n'] here its append the new line character with absent but actually its a new line strarting but its appended i want to make it like data_list*** ['"action","employee_id","name","absent","pritesh",2010/09/15 00:00:00']

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  • clear all array list data

    - by lolalola
    Hi, Why don't clear all Array list data? Console.WriteLine("Before cleaning:" + Convert.ToString(ID.Count)); //ID.Count = 20 for (int i = 0; i < ID.Count; i++) { ID.RemoveAt(i); } Console.WriteLine("After cleaning:" + Convert.ToString(ID.Count)); //ID.Count = 10 From where 10 data? Maybe there is another special function, which deletes everything?

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  • return list from view to controller via viewmodel

    - by user232076
    I have a controller that takes in a viewmodel and submitbutton public ActionResult AddLocation(AddLocationViewModel viewModel, string submitButton) My view is bound to the viewmodel. The viewmodel contains a list objects used to create an html table with checkboxes. Is there a way to access the selected "rows" through the viewmodel in my controller? So that I can iterate through and get the selected items? Thanks LDD

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  • flex button spacing in a horizontal list

    - by pfunc
    How do you dynamically resize buttons in a horizontal list to fit the text size? I am pulling in my button text from xml and it seems that it resizes all the buttons to the first items text. I am wrapping my button inside a canvas, not setting widths for either of them. Basically I need all the buttons to resize to their text, and have them all spaced evenly as well.

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  • KnockoutJS showing a sorted list by item category

    - by Darksbane
    I just started learning knockout this week and everything has gone well except for this one issue. I have a list of items that I sort multiple ways but one of the ways I want to sort needs to have a different display than the standard list. As an example lets say I have this code var BetterListModel = function () { var self = this; food = [ { "name":"Apple", "quantity":"3", "category":"Fruit", "cost":"$1", },{ "name":"Ice Cream", "quantity":"1", "category":"Dairy", "cost":"$6", },{ "name":"Pear", "quantity":"2", "category":"Fruit", "cost":"$2", },{ "name":"Beef", "quantity":"1", "category":"Meat", "cost":"$3", },{ "name":"Milk", "quantity":"5", "category":"Dairy", "cost":"$4", }]; self.allItems = ko.observableArray(food); // Initial items // Initial sort self.sortMe = ko.observable("name"); ko.utils.compareItems = function (l, r) { if (self.sortMe() =="cost"){ return l.cost > r.cost ? 1 : -1 } else if (self.sortMe() =="category"){ return l.category > r.category ? 1 : -1 } else if (self.sortMe() =="quantity"){ return l.quantity > r.quantity ? 1 : -1 }else { return l.name > r.name ? 1 : -1 } }; }; ko.applyBindings(new BetterListModel()); and the HTML <p>Your values:</p> <ul class="deckContents" data-bind="foreach:allItems().sort(ko.utils.compareItems)"> <li><div style="width:100%"><div class="left" style="width:30px" data-bind="text:quantity"></div><div class="left fixedWidth" data-bind="text:name"></div> <div class="left fixedWidth" data-bind="text:cost"></div> <div class="left fixedWidth" data-bind="text:category"></div><div style="clear:both"></div></div></li> </ul> <select data-bind="value:sortMe"> <option selected="selected" value="name">Name</option> <option value="cost">Cost</option> <option value="category">Category</option> <option value="quantity">Quantity</option> </select> </div> So I can sort these just fine by any field I might sort them by name and it will display something like this 3 Apple $1 Fruit 1 Beef $3 Meat 1 Ice Cream $6 Dairy 5 Milk $4 Dairy 2 Pear $2 Fruit Here is a fiddle of what I have so far http://jsfiddle.net/Darksbane/X7KvB/ This display is fine for all the sorts except the category sort. What I want is when I sort them by category to display it like this Fruit 3 Apple $1 Fruit 2 Pear $2 Fruit Meat 1 Beef $3 Meat Dairy 1 Ice Cream $6 Dairy 5 Milk $4 Dairy Does anyone have any idea how I might be able to display this so differently for that one sort?

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  • Modifying the Codec List Object in an ASF file

    - by scompt.com
    Is it possible to modify the Codec List Object in an ASF file? In particular, I would like to edit the codec name and description. I realize that this won't actually change the content of the video, but it's necessary for the video to be verified by an external tool. Does anyone know of a tool that will allow me to do this? If not, does anyone have any suggestions about how I might go about doing it using the Windows Media Format 11 SDK?

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  • asp.net dropdown list postback to anchor

    - by The Talking Walnut
    How can I go to an anchor tag on the page when the myDropDownList_SelectedIndexChanged() event fires? I am using regular ASP.NET Forms. Update: The following is valid for an ASP.NET Button. I would like to achieve the same functionality (going to #someAnchor) when I select an option from the Dropdown list. <asp:Button ID="btnSubmit" runat="server" Text="Do IT" Width="186px" PostBackUrl="#myAnchor" CausesValidation="false" />

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  • Is a display list best for this? (OpenGL)

    - by user146780
    I'm rendering 2D polygons with the GLUTesselator the first time, then they are stored in a display list for subsequent use. I think VBO's might be faster, but since I can't access the stuff that the tesselator outputs, and since it uses mixes of gl_triangle, quad, strip etc, i'm not sure how I could do this, even though I would like to use VBO's once the GLUTesselator is done with them for optimal performance. Thanks

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  • asp.net mvc select list

    - by mazhar
    ok what i want to do is to using forcollection["Selectlist"] only selected things in the select list will be availabe when the form posted i am using add ,remove mechanism in my listbox , so i want to make everything that is there in the checkbox as available to the forcollection["Selectlist"]. can it be done?

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  • Suppress errors of files that are not set to be built from the "Error List" window

    - by ohadsc
    I have some cs files in my project that are not set to be built (Properties - Build Action = None). They contain bits of code that don't compile as a whole and are there merely for reference. I don't care about any compilation errors in them, but they appear in the "Error List" window, cluttering it. Is there some way to tell VS to ignore errors in that file? Or in all files not set to be built, at that ? I'm using VS 2010 Thanks

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