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Search found 49860 results on 1995 pages for 'reference type'.

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  • How can I add to List<? extends Number> data structures?

    - by kunjaan
    I have a List which is declared like this : List<? extends Number> foo3 = new ArrayList<Integer>(); I tried to add 3 to foo3. However I get an error message like this: The method add(capture#1-of ? extends Number) in the type List<capture#1-of ? extends Number> is not applicable for the arguments (ExtendsNumber)

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  • Add an column to dataset in .net 1.1

    - by prince23
    hi, i have dataset(dataset name dsEmp) with an 25 columns , here i need to add an new column with columname as "EndDate" of data type as string now i need to import all the data from column18 whose datatype is Datetime to the newely created datacolumn "EndDate" once we import all the data from the column 18 to the newcolumn "EndDate" , we should remove the column18 hope my Question is clear, can any one please help me this.

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  • What gems/plugins can be used for Unsubscribe support in Rails?

    - by user550575
    What gems/plugins that make it easy to add a tamper-resistant unsubscribe link to the bottom of the email a user can click to prevent receiving email those types of emails? The only thing I could find was http://kevinlochner.com/handling-unsubscribe-requests-in-ruby-on-rail which works but is somewhat unsophisticated and lacks features such as which type of emails to unsubscribe from. It also doesnt include the mechanism for users to unsubscribe. We using ActionMailer.

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  • Searching major search engines with text such as <%#

    - by Daniel Dyson
    If I type '<%# vs <%"' into any of the major search engines, everything is stripped out except the 'vs'. I understand why they do this. I would just like to know if anyone knows of a way to escape illegal characters so that they are searched properly. I know this is not strictly a programming question, but it is relevant.

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  • this parameter modifier in C#?

    - by Ivan
    I'm curious about this code snippet: public static class XNAExtensions { /// <summary> /// Write a Point /// </summary> public static void Write(this NetOutgoingMessage message, Point value) { message.Write(value.X); message.Write(value.Y); } // ... }; What does the this keyword mean next to the parameter type? I can't seem to find any information about it anywhere, even in the C# specification.

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  • Android Password GUI

    - by ranjanarr
    I am looking for Android GUI which is wheel type number lock, with numbers on the wheel. The password GUI looks like a wheel with numbers on it and user can roll the wheel to select a number when wheel stops, only the numbers are visible that are on the surface of wheel.

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  • Making one value "special"

    - by SplashHit
    What is the "computer science" term for the practice of assigning a special meaning to one of a type's values. For example a numeric variable called "amount_to_transfer" where the special value "0" means "entire account balance" or a date value "spouse_date_of_birth" where "1/1/1800" means "unmarried". I happen to feel that this is quite a bad "smell", but I'd like to have a name for it, and if possible, some blog post or article about why it's bad and how to fix it.

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  • jQuery AJAX call working in IE but not FF?

    - by Uma Maheshwar
    $.ajax({ type: "GET", url: 'http://services.somewhere.com/MethodName', data: { 'param1':'something', 'param2': 'somethingElse' }, cache: false, dataType: 'jsonp', contentType: "application/json; charset=utf-8", success: function(view) { alert('success'); }, error: function(xhr, ajaxOptions, thrownError) { alert(xhr.status); alert(xhr.responseText); alert(xhr.statusText); } });

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  • Intermediate values in C++

    - by sterh
    Hello. I can not find how to implement a design in C++. In the language of Delphi in case the operator can write the following design: case s[j] of '0'..'9','A'..'Z','a'..'z','_': doSomeThing(); How can i do the same in c++. Attracts me is the construction type 'a' .. 'z' and etc... Thank you

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  • Mootools element returning null

    - by sea_1987
    I have this HTML/PHP <input name="add to list" class='fncAdd' id='moodal_close' value="add to list" onclick="cajaxUpdateCartProduct('<?= $value->id ?>', 'quantity_<?= $value->id ?>', '<?= $this->sitePfx ?>/cart/');" type="button"> In my javascript I have $('moodal_close').addEvent('click', function(){ alert("1"); }); In my firebug console the only response I get is $("moodal_close") is null

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  • How to add MousePressEvent?

    - by John Son
    In qt: I create a class based on QToolButton to display icon and text. How can I add 'mousePressEvent' to the class? Thank you. bool IconLabel::event (QEvent* e ) { if ( e->type() == QEvent::Paint) { return QToolButton::event(e); } return true; } The class is: class IconLabel : public QToolButton { Q_OBJECT public: explicit IconLabel(QWidget *parent = 0); bool event (QEvent* e ); signals: public slots: };

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  • How to retrieve from two tables with same foriegn key repeated more than once?

    - by Sarenya
    How to display the datas of tables, that are linked by a primay key and foriegn key, where the foriegn key of the data repeats? For ex. I have two tables, ParentTable and Childtable. The primarykey of the Parent table acts as the foriegn key of the Child table. There are more than one record with same ParentId in Child table. How to retrieve them and display in a single Grid or List or any type of view?

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  • Java 1.7ea: Files.probeContentType(path) returns null

    - by Cybertizzen
    Hi, I'm having a bit of a strange problem with an application using the Files.probeContentType(path)-method to test for file type: On both my Ubuntu and Fedora systems, it works fine, but when moved to a RedHat Enterprise server (2.6.18-194.el5 #1 x86_64 x86_64 x86_64 GNU/Linux), it only returns null. I'm using java 7 early access (1.7.0-ea-b84). I have to use this version due to functionality that isn't included in 1.6. Does anyone have an idea of what might be the problem here?

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  • Help With Generics? How to Define Generic Method?

    - by DaveDev
    Is it possible to create a generic method with a definition similar to: public static string GenerateWidget<TypeOfHtmlGen, WidgetType>(this HtmlHelper htmlHelper , object modelData) // TypeOfHtmlGenerator is a type that creates custom Html tags. // GenerateWidget creates custom Html tags which contains Html representing the Widget. I can use this method to create any kind of widget contained within any kind of Html tag. Thanks

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  • How to display a jQuery and Javascript generated 2 dimensional array in HTML?

    - by user1730439
    I am trying to create a table of 100 random numbers, the random numbers are from 0 to 100. I need to display the 100 random numbers as a 10 by 10 matrix in HTML, using JS and jQuery. The code that I have been working on displays the last array 10 times. Here is the code: <html> <head> <title>My Web Page</title> <script type = "text/javascript" src = "http://code.jquery.com/jquery-1.8.2.min.js" /> </script> </head> <body> <h1 id = "randData">Randomize Data</h1> <button id = "myRandomizeBtn">Randomize</button> <p></p> <p></p> <p></p> <p></p> <p></p> <p></p> <p></p> <p></p> <p></p> <p></p> </body> <script type="text/javascript"> $("#myRandomizeBtn").bind("click",randomizeHandler); function randomizeHandler(evt) { var n = 10; var data = new Array(); for (var i = 0; i < n; i++) { for (var j = 0; j < n; j++) { data[i,j] = Math.floor(100*Math.random()); $("p").text(data); } $("br").text(data); } } </script> </html>

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  • Can there be TEXT/BLOB columns in a table without filesort in MySQL?

    - by Tower
    Hi, I'm working on a database program and I noticed that when I'm doing queries with tables that have TEXT/BLOB columns, MySQL will use temp tables and use filesort. I'm not entirely sure when and how this happens, but are there cases where MySQL does not use filesort when there are BLOB/TEXT columns? Like if the sort column is type of VARCHAR() with an index?

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  • jquery code completion and netbeans... not working, although done like in the manual

    - by blincv
    Hey, what i read on several help-pages, was, that getting jquery code completion to work, was just: getting targeted browsers right (the only one i choose was firefox 3.x or later) putting jquery file into project (it is now visible in "source files") adding the "script type"etc.-line (tried filename with and without / before ) Did this... but still no code completion. Any ideas? Got windows 7 and netbeans 7, 32bit system. Wtf is wrong? :( http://www.loaditup.de/files/615138.png

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  • How to find files older than N days from a given timestamp

    - by JGeZau
    I want to find files older than N days from a given timestamp in format YYYYMMDDHH I can find file older than 2 days with the below command, but this finds files with present time find /path/to/dir -mtime -2 -type f -ls Lets say I give the input timeSamp=2011093009 so I want to find files older than 2 days from 2011093009 Been doing my research, but can't seem to figure it out. ========================================== Found the solution...see below for my Answer.. Thanks

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