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  • How do I make dynamic windows in Swing?

    - by Roman
    I have a general question. I would like to have a window containing some buttons, radio buttons, text fields and so on. So, user can do something (write text, select options and press buttons). As the result of the user activity window should change it structure/appearance some element should disappear and some appear. How do I program such "updates"? Should I close an old window and open a new one or I can modify content of window without closing it?

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  • Dynamic "WHERE IN" on IQueryable (linq to SQL)

    - by user320235
    I have a LINQ to SQL query returning rows from a table into an IQueryable object. IQueryable<MyClass> items = from table in DBContext.MyTable select new MyClass { ID = table.ID, Col1 = table.Col1, Col2 = table.Col2 } I then want to perform a SQL "WHERE ... IN ...." query on the results. This works fine using the following. (return results with id's ID1 ID2 or ID3) sQuery = "ID1,ID2,ID3"; string[] aSearch = sQuery.Split(','); items = items.Where(i => aSearch.Contains(i.ID)); What I would like to be able to do, is perform the same operation, but not have to specify the i.ID part. So if I have the string of the field name I want to apply the "WHERE IN" clause to, how can I use this in the .Contains() method?

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  • Dynamic function arguments in C++, possible?

    - by Jeshwanth Kumar N K
    I am little new to C++, I have one doubt in variable argument passing. As I mentioned in a sample code below ( This code won't work at all, just for others understanding of my question I framed it like this), I have two functions func with 1 parameter and 2 parameters(parameter overloading). I am calling the func from main, before that I am checking whether I needs to call 2 parameter or 1 parameter. Here is the problem, as I know I can call two fuctions in respective if elseif statements, but I am curious to know whether I can manage with only one function. (In below code I am passing string not int, as I mentioned before this is just for others understanding purpose. #include<iostream.h> #include <string> void func(int, int); void func(int); void main() { int a, b,in; cout << "Enter the 2 for 2 arg, 1 for 1 arg\n"; cin << in; if ( in == 2) { string pass = "a,b"; } elseif ( in == 1) { string pass = "a"; } else { return 0; } func(pass); cout<<"In main\n"<<endl; } void func(int iNum1) { cout<<"In func1 "<<iNum1<<endl; } void func(int iNum1, int iNum2) { cout<<"In func2 "<<iNum1<<" "<<iNum2<<endl; }

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  • Mysql dynamic query

    - by pradeep
    I have two table in mysql one tbl_a which has one int column id, second tbl_b which has one column song_ids in which data stored seapated by comma like 1,2,3,4 i want to select all id like this select * from tbl_a where id in (select song_id from tbl_b) but its giving me no record as its varchar HOW to do it in mysql

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  • Dynamic decision on which class to use

    - by Sirupsen
    Hello, Let's say I have a class named Klass, and a class called Klass2. Depending on the user's input, I'd like to decide whether I'll call "hello_world" on Klass, or Klass2: class Klass def self.hello_world "Hello World from Klass1!" end end class Klass2 def self.hello_world "Hello World from Klass2!" end end input = gets.strip class_to_use = input puts class_to_use.send :hello_world The user inputs "Klass2" and the script should say: Hello World from Klass2! Obviously this code doesn't work, since I'm calling #hello_world on String, but I'd like to call #hello_world on Klass2. How do I "convert" the string into a referrence to Klass2 (or whatever the user might input), or how could I else would I achieve this behavior?

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  • jQuery center multiple dynamic images in different sized containers

    - by JVK Design
    So I've found similar questions but none that answer all the questions I have and I know there must be a simple jQuery answer to this. I've got multiple images that are being dynamically placed in their own containing div that have overflow:hidden, they need to fill their containing divs and be centered(horizontally and vertically) also. The containing divs will be different sizes as well. So in short: multiple different sized images fill and center in containing div. containing divs will be different sizes. will be used multiple times on a page. Hopefully this image helps explain what I'm after. Click here to view the image. HTML I'm using but can be changed <div class="imageHolder"> <div class="first SlideImage"> <img src="..." alt="..."/> </div> <div class="second SlideImage"> <img src="..." alt="..."/> </div> <div class="third SlideImage"> <img src="..." alt="..."/> </div> </div> And the CSS .imageHandler{ float:left; width:764px; height:70px; margin:1px 0px 0px; } .imageHolder .SlideImage{ float:left; position:relative; overflow:hidden; } .imageHolder .SlideImage img{ position:absolute; } .imageHolder .first.SlideImage{ width:381px; height:339px; margin-right:1px; } .imageHolder .second.SlideImage{margin-bottom:1px;} .imageHolder .second.SlideImage, .imageHolder .third.SlideImage { width: 382px; height: 169px; } Ask me anything if this doesn't make sense, thanks in advance

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  • Qt Programming:Installer not able to create shortcut in start menu in Windows 7

    - by nav
    Hello all, I am creating an installer to deploy some application .and I am getting following problems All applications shortcut get created in start menu under a common name like: *Start MENU-CMKIT-gcompris -open office -Scratch* A pop up should be launched at the end of installation,which has buttons for each application and it will start respective application when user clicks on button.Its not launching now. Its very critical for me,please help me.I am also ready to pay for this but give me solution for these. please mail me on

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  • Dynamic WebService implementation

    - by chardex
    I have a set of different interfaces and I need to give them access via web services. I have implemented this task in .NET as follows: dynamically generated interface implementation on the IL, marked methods with WebMethod annotation, and in *.asmx handler called generated stub. More needs to be able to change the method signatures (eg change the type of certain argument or add new arguments), ie not always explicitly implement an interface, and use it as a decorator pattern. Example: interface ISomeService { void simpleMetod (String arg1); void customMetod (CusomType arg1, Integer arg2); } // Need to dynamically generate such class @WebService class SomeWebService { private ISomeService someService = new SomeServiceImpl (); @WebMethod public void simpleMethod (String arg1) { someService.simpleMethod (arg1); } @WebMethod public void customMethod (String arg1, Integer arg2) { someService.customMethod (CusomType.fromString (arg1), arg2); } } Interfaces such as ISomeService quite a lot. And manually write code like this I don't want. I work with Java recently, what technology/libraries should be used to solve such task. Thanks.

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  • Search inside dynamic array in python

    - by user2091683
    I want to implement a code that loops inside an array that its size is set by the user that means that the size isn't constant. for example: A=[1,2,3,4,5] then I want the output to be like this: [1],[2],[3],[4],[5] [1,2],[1,3],[1,4],[1,5] [2,3],[2,4],[2,5] [3,4],[3,5] [4,5] [1,2,3],[1,2,4],[1,2,5] [1,3,4],[1,3,5] and so on [1,2,3,4],[1,2,3,5] [2,3,4,5] [1,2,3,4,5] Can you help me implement this code?

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  • Programming in a noisy office [closed]

    - by John Isaacks
    Can anyone recommend any techniques or advice for working in a noisy office? I know some people wear headphones and listen to music but I prefer silence. I work in a room with 4 others, there are no walls between us, we just each have our own desk. There is usually always someone talking, or on the phone, or on the intercom. Has anyone else had to deal with this? What did you do? What would you recommend?

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  • Dynamic column heading from user input

    - by user79127
    Hi, How can I use the user input for column heading in reporting service please? My situation is User will enter first (200901) and the second parameter (05). I want to display the column heading like 200901 200902 200903 200904 200905 Thanks for all helps.

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  • jQuery clone( true ) not working with dynamic elements

    - by elclanrs
    Take the following example: $.fn.foo = function() { var $input = $('<input type="text"/>'); var $button_one = $('<button>One</button>'); var $button_two = $('<button>Two</button>'); $button_one.click(function(){ $input.val('hey'); }); $button_two.click(function(){ $input.replaceWith( $input.val('').clone( true ) ); }); this.append($input, $button_one, $button_two); }; Check the demo: http://jsbin.com/ezexah/1/edit Now click "one" and you should see "hey" in the input. Next click "two" and then click "one" again and it doesn't work. Even using the true option in clone to copy all events it still does not work. Any ideas?

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  • Programming Java professionally

    - by user299925
    Just seeking some advice. By profession I am primarily a front-end programmer working with ajax technologies (currently I use php as my backend language of choice). As of lately I've been looking at Java as a very good OOP language to learn and just wanted to know if you guys have any advice as to what's the best way to learn the language and achieve proficency that may some day lead to mastery.

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  • before_filter with dynamic information

    - by Lauren
    Hi I am trying to add a filter to a controller that is based on a certain role (using role_requirement) and then on the company_id that each user has. So basically I need something like this: require_role "company" ** This is working fine before_filter :company_required def company_required unless current_user.company_id == Company.find(params[:id]) end end The error I am receiving undefined method `company_id' for nil:NilClass I would appreciate any guidance. Thanks

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  • Help doing a dynamic sort?

    - by Kevin
    I have a notifications table which contains different types of notifications for different events. Inside the table is a notifications_type:string column that contains the type of notification, i.e. "foo" or "bar" or "oof" I want the user to be able to select what notifications they want to display, so there are checkboxes below the result that correspond to prefs_display_foo:boolean, prefs_display_bar:boolean in the User model. What is an elegant way for me to set the :conditions in the find to properly display the sorted results? Also, currently I have it as a method in the user, but how would I do it as a has_many :notifications, :conditions = .....

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  • Can jquery capture the dynamic dom events and perform actions

    - by Zombie15
    I just wanted to know if something like this is possible. Jquery should fire some action on certian custom event. Like Whenever a new row is added to dom dynamically to table then i have certain action like change the background color to example red. That should work across the whole site. Somethings like Event listeners in Doctrine2 or Signals in Django EDIT: Basically i want some thing like where i can create custom event $.AddnewEvent(newRowAdded); Then i can customise that event with my own functions like $.newRowAdded(function(){ blah blah });

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  • advice on how to create dynamic controls

    - by user554134
    Hi, My web page will get a set of results from the database and display it to the user. However I am not sure about "number" of results. Each result will have a panel which contains several controls in itself, an image, several labels, etc. What is the best way to do this dynamically, eg. create these controls dynamically? Is it better to use an AJAX control? Should I use Gridview? Thanks for the help, Behrouz

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  • Dynamic Iframe printing

    - by zachary
    I want to dynamically set the content of an iframe to that of an html document I have. It is in the form of a string in memory in javascript. Then i want to print that iframe. Ideas?

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