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• Do I have to worry about escaping XML reserved characters before I return a DataContract object from

  - by Brett Widmeier

  Hi, I am pretty inexperienced with WCF. I have a DataContract that implements the IExtensibleDataObject interface. Some of the members of this object are populated from freetext input and could contain XML reserved characters ('', for example). I imagine that I get escaping of these characters for free with WCF, but I have been looking around and could not find anything commenting on this one way or another. Is this the case? I have set my service to log the messages that it sends and receives for viewing in the Trace Viewer. Part of a message that my service returns looks like this: <sInstructions>"></sInstructions> Now, I have a couple questions about this. 1) Is it actually transmitting "&gt; and just showing it in a more readable form in the trace viewer? 2) If it is actually is transmitting ">, is this legal XML?

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• Dynamic binding in C++

  - by chmike

  I'm implementing a CORBA like server. Each class has remotely callable methods and a dispatch method with two possible input, a string identifying the method or an integer which would be the index of the method in a table. A mapping of the string to the corresponding integer would be implemented by a map. The caller would send the string on the first call and get back the integer with the response so that it simply has to send the integer on subsequent calls. It is just a small optimization. The integer may be assigned dynamically on demand by the server object. The server class may be derived from another class with overridden virtual methods. What could be a simple and general way to define the method binding and the dispatch method ?

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• HTML Checkbox Alignment

  - by iGuygar

  Test Page URL: http://www.guygar.com/inception/ultra/indexCopy.html I am new to this and searching SO I found the following solution for alignment between text and Checkbox: <div style="border-bottom:1px solid black; padding:4px; background-color:#003b5a;"> <span style="font-weight:bold;">Back to the Roots</span> <form> <input type="checkbox" value="header" style="float:right; vertical-align: middle; margin-top: -15px;" /> <label></label> </form> </div> While this works in IE9, it does not work in Chrome or Firefox. Could you please help me with this? Thank you.

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• In Python, are there builtin functions for elementwise map of boolean operators over tuples of lists

  - by bshanks

  For example, if you have n lists of bools of the same length, then elementwise boolean AND should return another list of that length that has True in those positions where all the input lists have True, and False everywhere else. It's pretty easy to write, i just would prefer to use a builtin if one exists (for the sake of standardization/readability). Here's an implementation of elementwise AND: def eAnd(*args): return [all(tuple) for tuple in zip(*args)] example usage: >>> eAnd([True, False, True, False, True], [True, True, False, False, True], [True, True, False, False, True]) [True, False, False, False, True] thx

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• Java: how to get mercurial current changeset number for use in program

  - by Rabarberski

  I've recently started using mercurial for version control in a Java project. When I run my program, the input parameters it has used to produce certain a output, are written to a specific file. It would be nice if I could add the current mercurial changeset number (indicating the version of my program) to that output file as well. What would be the easiest way to do so on Windows? I could write a simple Java parser to fetch the output of the first line of the hg log -l 1 command, but perhaps there is an easier way (i.e., less code lines)?

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• nUnit Assert.That(method,Throws.Exception) not catching exceptions

  - by JasonM

  Hi Everyone, Can someone tell me why this unit test that checks for exceptions fails? Obviously my real test is checking other code but I'm using Int32.Parse to show the issue. [Test] public void MyTest() { Assert.That(Int32.Parse("abc"), Throws.Exception.TypeOf<FormatException>()); } The test fails, giving this error. Obviously I'm trying to test for this exception and I think I'm missing something in my syntax. Error 1 TestCase '.MyTest' failed: System.FormatException : Input string was not in a correct format. at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) at System.Int32.Parse(String s) based on the documentation at Throws Constraint (NUnit 2.5)

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• Remove Validation in ASP.NET MVC 3

  - by johndoe

  I am trying to get remote validation working in ASP.NET MVC 3 but for some reason the validation never gets fired. I am returning json from the controller and in FireFox it ask me to download the files. Not sure what is going on here. Here is my code: @using(Html.BeginForm(new {Action = "ValidateUserName"})) { <text> Enter UserName: </text> @Html.TextBoxFor(x => x.UserName) <input type="submit" value="Login" /> } Here is the RegistrationViewModel: public class RegistrationViewModel { [Required(ErrorMessage = "UserName is required!")] [Remote("ValidateUserName","Home",ErrorMessage ="UserName already taken!")] public string UserName { get; set; } } And here is the HomeController: public ActionResult ValidateUserName(RegistrationViewModel registrationViewModel) { return Json(!registrationViewModel.UserName.Equals("test"),JsonRequestBehavior.AllowGet); }

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• Cluster of computers for rent?

  - by R S

  I am doing a project in the university which requires running of multiple instances (1000s) of a program I've written (in C++), which runs for quite a while (say 2 hours). The program is very self contained - it does not require input files, and the only dependency I think is boost. I'm currently using the university-owned cluster of computer. However, it's quite old and the jobs dispatching and monitors services are pretty bad. So I was wondering whether I can run my jobs elsewhere, for some money. For example, I looked a bit into Google App Engine, but as it seems every job must end after 30 seconds it is not suitable for me. Maybe Amazon EC2? Do you know of such options?

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• getting code in new line

  - by Man Behind

  I have several divs one of which is as below <div id="drawarea"> <img class="draggable ui-droppable ui-draggable ui-draggable-dragging" id="image1" src="user_2/1323384165.jpg" style="height: 40%; width: 50%; position: absolute; left: 0%; top: 0%;"> <label id="first">This is content of the div</label> <input type="button" value="GO"/> </div> I am using jquerys below function to get the html inside the div and put in a text area html = $('#drawarea').html(); $('#codearea').text(html); the problem is that i am getting all the tags in same line i want to get one element code in one then others on other line so thats its easy to read.

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• query on display tag

  - by sarah

  Hi, I have the following code to display <display:table name="sessionScope.userList" id="userList" export="false" pagesize="1"> <display:column title="Select" style="width: 90px;"> <input type="checkbox" name="optionSelected" value=""/> </display:column> <display:column property="userName" sortable="false" title="UserName" paramId="userName" style="width: 150px; text-align:center" href="#"/> </display:table> On click of the checkbox i need to get the corresponding row value that is the username how would i get that?

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• WebUIView is very slow

  - by Shamil

  Hello, I'm building a custom RSS reader app with incorporated feed link view (UIWebView). Using the following code, when the view, containing WebUIView is loaded, it takes about 6 seconds before anything is outputted to the user: -(void)viewDidLoad{ [super viewDidLoad]; NSString *urlString = [[[self appDelegate] currentlySelectedBlogItem]linkUrl]; NSURL *url = [NSURL URLWithString:urlString]; NSURLRequest *requestObj = [NSURLRequest requestWithURL:url]; [_webview loadRequest:requestObj]; [_webview setScalesPageToFit:YES]; } Any ideas why UIWebView is being so slow? I've checked the URL input, it's clean and what I'd expect it to be. I'm building for iOS 3.0 as base deployment target.

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• javascript---click copy the content to the clipboard

  - by runeveryday

  the following is the code. but it doesn't work. what's wrong with it? thank you. <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>no title</title> <script type="text/javascript"> function copyToClipBoard(content){ var clipBoardContent = ''; clipBoardContent = content; window.clipboardData.setData("Text",clipBoardContent); alert('have copied to the clipboard'); } <body> <textarea rows="4" cols="60" id="url">www.example.com</textarea> <input type="button" value="click me" onclick="copyToClibBoard (document.getElementById ('url').value);" /> </body>

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• Using xsl param (if exists) to replcae attribute value

  - by Assaf

  I would like an xsl that replaces the value attribute of the data elements only if the relevant param names are passed. Input <applicationVariables applicationServer="tomcat"> <data name="HOST" value="localhost"/> <data name="PORT" value="8080"/> <data name="SIZE" value="1000"/> </applicationVariables> So for example if passing in a param HOST1=myHost and PORT=9080 the output should be: <applicationVariables applicationServer="tomcat"> <data name="HOST" value="myHost"/> <data name="PORT" value="9080"/> <data name="SIZE" value="1000"/> </applicationVariables> Note that HOST and PORT where replaced but SIZE was not replaced because there was no parameter with name SIZE Since the list of data elements is long (and may change), i would like a generic way of doing this with xsl

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• Three Java classes: point out all the issues you can find!

  - by Sicarius

  I wrote three classes for a colleague of mine (I'm new at this job). They compile just fine, but he tells me there are "defects, bugs, and style problems." He wants me to print the files out and mark the problems such as the standard coding conventions, best practices, format, design, and logic. I wrote this code when I was extremely tired and I plan to rewrite it completely. My mistake was showing to it before looking it over myself again. However, he still wants me to do the markings on paper. Any input is greatly appreciated! The three Java classes ['Station.java', 'ParserInt.java', 'ParserException.java'] are uploaded here: http://www.megaupload.com/?d=N2CUVSV2

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• What does the C++ compiler error "looks like a function definition, but there is no parameter list;"

  - by SkyBoxer

  #include <iostream> #include <fstream> using namespace std; int main { int num1, num2; ifstream infile; ostream outfile; infile.open("input.dat"); outfile.open("output.dat"); infile >> num 1 >> num 2; outfile << "Sum = " << num1 + num2 << endl; infile.close() outfile.close() return 0; } This is what I did and when I compile it, I got this error that said error C2470: 'main' : looks like a function definition, but there is no parameter list; skipping apparent body Please don't hate me :( I am new at this computer science....

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• how to display a array value in view page

  - by udaya

  Hai I am using codeigniter...I my function phpcalview()... This is my function function phpcalview() { $year = $this->input->post('yearvv'); $data['year'] = $this->adminmodel->selectyear(); $data['date'] = $this->adminmodel->selectmonth(); print_r($data['date'] ); $this->load->view('phpcal',$data); } I am printing the values with print_r($data['date'] ); I get values like Array ( [0] => Array ( [dbdatenum] => 1 ) [1] => Array ( [dbdatenum] => 2 ) [2] => Array ( [dbdatenum] => 3 ) [3] => Array ( [dbdatenum] => 4 )) I want to display the array seperately as array[0],array[1] in my view page how can i do that

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• help implementing algorithm

  - by davit-datuashvili

  http://en.wikipedia.org/wiki/All_nearest_smaller_values this is site of the problem and here is my code but i have some trouble to implement it import java.util.*; public class stack{ public static void main(String[]args){ int x[]=new int[]{ 0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15 }; Stack<Integer> st=new Stack<Integer>(); for (int a:x){ while (!st.empty() && st.pop()>=a){ System.out.println( st.pop()); if (st.empty()){ break; } else{ st.push(a); } } } } } and here is pseudo code from site S = new empty stack data structure for x in the input sequence: while S is nonempty and the top element of S is greater than or equal to x: pop S if S is empty: x has no preceding smaller value else: the nearest smaller value to x is the top element of S push x onto S

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• update value of a variable outside a class in VB.NET

  - by dpp

  I have a class derived from a Form, it has textbox for username and password and an OK button. I want it to behave like an InputBox so I can use it like this: Dim Username As String = "" Dim Password As String = "" Dim authorization As New Authorization(Username, Password) authorization.ShowDialog() 'The user will click OK and I will expect the Username and Password to change based on the user input MsgBox(Username & " " & Password) The Authorization class: Public Class Authorization Dim RefUsername As String Dim RefPassword As String Public Sub New(ByRef Username As String, ByRef Password As String) InitializeComponent() RefUsername = Username 'I'm trying to pass reference instead of value RefPassword = Password 'I'm trying to pass reference instead of value End Sub Private Sub OKButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AuthorizeButton.Click RefUsername = Username.Text 'I'm trying to change value of variable outside the class RefPassword = Password.Text 'I'm trying to change value of variable outside the class Me.Close() End Sub End Class In short, I want to change the value of variables outside the class when the user clicks the OK, how am I going to accomplish that?

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• Return rows from stored procedure

  - by molgan

  Hello I have this code: public IEnumerable<SomeClass> GetAvalibleThingies(DateTime startDate, DateTime endDate, int categoryID) { if (_entities.Connection.State == System.Data.ConnectionState.Closed) _entities.Connection.Open(); using (EntityCommand c = new EntityCommand("SomeEntities.GetAvalibleThingies", (EntityConnection)this._entities.Connection)) { c.CommandType = System.Data.CommandType.StoredProcedure; EntityParameter paramstartDate = new EntityParameter("startDate", System.Data.DbType.DateTime); paramstartDate.Direction = System.Data.ParameterDirection.Input; paramstartDate.Value = startDate; c.Parameters.Add(paramstartDate); ........ var x = c.ExecuteReader(); return x as IEnumerable<SomeClass>; }; But I can't get it to return a list of SomeClass. What's needed to do here? I use the entity framework 3.5sp1 one /M

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• not able to close other opened tab in browser

  - by tulsi

  hi please check the below code i am trying to open tab with name and after that try to close that tab but unable to close or else can anyone tell how we can close opened all tab (url1,url2) from parent tab (url) while close parent tab error in firebug is my_window is undefined <form name="submitForm1" target="my_window" method="POST" action="http://localhost:8080/ADDMIBREP/"> <input type="hidden" name="uname" value="uname"> <a HREF="javascript:document.submitForm1.submit();">ADDMIBREPORT</a> </form> <a HREF="javascript: closepopup() ">remove</a> </body> <script> function closepopup() { alert("hi"); if(false == my_window.closed) { my_window.close (); } else { alert('Window already closed!'); } } <script>

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• How do you get the ID of a control in ASP.NET

  - by James

  I am attempting to loop through an array of numbers, match them to the checkbox they they are associated with, and checkmark that box. My checkbox is set up like: <input type="checkbox" runat="server" id="someID" name="somename" value="1234" /> My code when the page loads currently looks like: foreach (string interest in interests_Var){ foreach (var c in Page.Controls) { } } interests_Var is my array containing different numbers. We'll assume one of them is 1234. While looping through the page controls, I want to compare the value of the control to my number. If it equals my number, I want to then apply the attribute checked="checked". I'm assuming I have to find the ID of the control I am using, then use that ID to add a new attribute. Or is there a way I can add the attribute using the c variable? I'm not dead set on this setup, so if you know a better way, I'm all ears. Thanks for any help and suggestions.

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• Custom validatior in ASP.net

  - by DJPB

  Hi there. I'm working on an ASP.NET/C# app. I have 2 text boxes and I need to validate if the input text for both of them are not both null ex: if(string.IsNullOrEmpty(TextBox1.Text) && string.IsNullOrEmpty(TextBox2.Text) ) //FAIL!!! else // OK! that is, at least one txtBox has values I was planning on using a custom validator but it seems that the validation function only gets called when something is written on the textBox i'm using has the 'control to validate'. Now, that doesn't work for me since I want to show an error message when both text boxes are empty. Is there a way to make the validation function to be called with, for example a postback? Or is there any other better approach to this case than the custom validator? tks

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• PHP 2d array question

  - by Neral

  Hello, So i have a 2 dimensional array that is used over several pages (session) $_SESSION ["Table"][$_SESSION ["count"]] [0] = $filename; $_SESSION ["Table"][$_SESSION ["count"]] [1] = $size; $_SESSION ["Table"][$_SESSION ["count"]] [2] = $floor; $_SESSION ["Table"][$_SESSION ["count"]] [3] = $phone; $_SESSION ["Table"][$_SESSION ["count"]] [4] = $network; $_SESSION ["Table"][$_SESSION ["count"]] [5] = $totalprice; This is used with a form so i can give in multiple input wich gets stored. But my question is how exactly can i calculate the AVERAGE of $total price of all given in results? Meaning for example i have 5 rows so this would mean 5 total prices. How exactly can i acces this value and count everything up / 5? This will happen in a other page so i would like to use sessions for this. /5 simply by count($_Session["table"]) , but really not sure about the other values. Kind Regards.

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• How to capture the value change of numericUpDown ctrl real-time in .NET?

  - by Carlos_Liu

  I have implement the ValueChanged event, but I found it will be triggered only after change the focus from numericUpDown to other control or by clicking the up/down arrow. Inputting the value in the control will not trigger ValueChanged event. What I did now is adding an KeyDown event and judge if the input value is numeric (can not include SHIFT/CTRL/ALT key); but there is another case need to be involved: the user can paste value into the numericUpDown ctrl What I need is : When I was typing numeric value (only numeric) in the numericUpDown ctrl, it will known the content has been changed; When pasted a numeric value into the ctrl, it also kowns the content changed

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• Dynamic Dropdown menu through php

  - by Code_Ed_Student

  I visited a website a few weeks ago and came across a dynamic drop down menu. I came across a functionality that I am now trying to replicate but do not know how. In the dropdown you picked the desired number of cars and then it reiterated input fields according to the number of cars chosen. I believe this was done through javascript and a loop was involved. Is there a term for this action or way to display things? Also an example of how to accomplish something similar would help?

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