No, there isn&#39;t. If it&#39;s in that format, then it&#39;s not a valid dateTime as far as XML Schema is concerned.

The best you can do is as follows:

    [XmlIgnore]
    public DateTime DoNotSerialize {get;set;}
    
    public string ProxyDateTime {
        get {return DoNotSerialize.ToString(&quot;yyyyMMdd&quot;);}
        set {DoNotSerialize = DateTime.Parse(value);}
    }



[XmlElementAttribute][1]#DataType should provide what you need:

    [XmlElement(DataType=&quot;date&quot;)]    
    public DateTime Date1 {get;set;}

This will get *Date1* property serialized to the proper [xml date][2] format.


  [1]: http://msdn.microsoft.com/en-us/library/system.xml.serialization.xmlelementattribute.aspx
  [2]: http://www.w3.org/TR/2001/REC-xmlschema-2-20010502/#date

I am currently reading K&amp;R&#39;s book and typing in the examples from the first section, and there are a couple of examples such as this:

    while((c = getchar()) != EOF) {
        //do something
    }

I am testing these examples on a Windows box and thus running the compiled exe files from the `cmd` prompt.

To test the example above, how do I simulate an `EOF`?  That is, basically how can I make the loop stop when testing the example from the command prompt?

How to simulate an EOF?

I&#39;m looking for a regular expression to match every new line character (`\n`) inside a XML tag which is `&lt;content&gt;`, or inside any tag which is inside that `&lt;content&gt;` tag, for example :

    &lt;blog&gt;
    &lt;text&gt;
    (Do NOT match new lines here)
    &lt;/text&gt;
    &lt;content&gt;
    (DO match new lines here)
    &lt;p&gt;
    (Do match new lines here)
    &lt;/p&gt;
    &lt;/content&gt;
    (Do NOT match new lines here)
    &lt;content&gt;
    (DO match new lines here)
    &lt;/content&gt;


Regular Expression to match every new line character (\n) inside a &lt;content&gt; tag

I need to serialize / deserialize a datetime into yyyyMMdd format for an XML file.  Is there an attribute / workaround I can use for this?

Can you specify format for XmlSerialization of a datetime?

<p>I need to serialize / deserialize a datetime into yyyyMMdd format for an XML file.  Is there an attribute / workaround I can use for this?</p>


How can I do this in XAML:

*PSEUDO-CODE:*

    &lt;TextBox Text=&quot;{Binding Password}&quot; Type=&quot;Password&quot;/&gt;

so that the user sees stars or dots when he is typing in the password.

I&#39;ve tried [various examples][1] which suggest **PasswordChar** and **PasswordBox** but can&#39;t get these to work.

e.g. I can do this as shown [here][2]:

    &lt;PasswordBox Grid.Column=&quot;1&quot; Grid.Row=&quot;1&quot;
        PasswordChar=&quot;*&quot;/&gt;

but I of course want to bind the Text property to my ViewModel so I can send the value the bound TextBox when the button is clicked (not working with code behind), I want to do this:

    &lt;TextBox Grid.Column=&quot;1&quot; Grid.Row=&quot;0&quot; 
        Text=&quot;{Binding Login}&quot; 
        Style=&quot;{StaticResource FormTextBox}&quot;/&gt;
    &lt;PasswordBox Grid.Column=&quot;1&quot; Grid.Row=&quot;1&quot;
        Text=&quot;{Binding Password}&quot; 
        PasswordChar=&quot;*&quot;
        Style=&quot;{StaticResource FormTextBox}&quot;/&gt;

But PasswordBox doesn&#39;t have a Text property.



  [1]: http://pstaev.blogspot.com/2007/01/password-textbox-in-wpf.html
  [2]: http://www.a2zdotnet.com/View.aspx?id=84

How can I make a TextBox be a &quot;password box&quot; and display stars when using MVVM?

I have actually no idea of what this is called in C#.
But i want to add the functionallity to my class to add multiple items at the same time.

    myObj.AddItem(mItem).AddItem(mItem2).AddItem(mItem3);

Method-Chaining in C#

I want to remove all special characters from a string. Allowed characters are A-Z (uppercase or lowercase), numbers (0-9), underscore (_), or the dot sign (.).

I have the following, it works but I suspect (I know!) it&#39;s not very efficient:

        public static string RemoveSpecialCharacters(string str)
        {
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i &lt; str.Length; i++)
            {
                if ((str[i] &gt;= &#39;0&#39; &amp;&amp; str[i] &lt;= &#39;9&#39;)
                    || (str[i] &gt;= &#39;A&#39; &amp;&amp; str[i] &lt;= &#39;z&#39;
                        || (str[i] == &#39;.&#39; || str[i] == &#39;_&#39;)))
                    {
                        sb.Append(str[i]);
                    }
            }

            return sb.ToString();
        }

What is the most efficient way to do this? What would a regular expression look like, and how does it compare with normal string manipulation?

The strings that will be cleaned will be rather short, usually between 10 and 30 characters in length.

Most efficient way to remove special characters from string

I am pulling `varchar` values out of a DB and want to set the `string` I am assigning them to as &quot;&quot; if they are `null`. I&#39;m currently doing it like this:

    if (string.IsNullOrEmpty(planRec.approved_by) == true)
      this.approved_by = &quot;&quot;;
    else
      this.approved_by = planRec.approved_by.toString();

There seems like there should be a way to do this in a single line something like:

    this.approved_by = &quot;&quot; || planRec.approved_by.toString();

However I can&#39;t find an optimal way to do this.  Is there a better way or is what I have the best way to do it?


Shortest way to check for null and assign another value if not

With the String class, you can do:

    string text = new string(&#39;x&#39;, 5);
    //text is &quot;xxxxx&quot;

What&#39;s the shortest way to create a List&lt; T &gt; that is full of `n` elements which are all the same reference?

Shortest way to create a List&lt;T&gt; of a repeated element

I have an XML string as such:

    &lt;?xml version=&#39;1.0&#39;?&gt;&lt;response&gt;&lt;error code=&#39;1&#39;&gt; Success&lt;/error&gt;&lt;/response&gt;

There are no lines between one element and another, and thus is very difficult to read. I want a function that formats the above string:

    &lt;?xml version=&#39;1.0&#39;?&gt;
    &lt;response&gt;
    &lt;error code=&#39;1&#39;&gt; Success&lt;/error&gt;
    &lt;/response&gt; 

Without resorting to manually write the format function myself, is there any .Net library or code snippet that I can use offhand?

Format XML string to print friendly XML string

Is the order that elements of a common parent appear in XML a meaningful piece of data captured by the XML document, or is order not specified as being meaningful? For example, consider the two XML documents:

    &lt;people&gt;
     &lt;person name=&quot;sam&quot;/&gt;
     &lt;person name=&quot;juni&quot;/&gt;
    &lt;/people&gt;

and

    &lt;people&gt;
     &lt;person name=&quot;juni&quot;/&gt;
     &lt;person name=&quot;sam&quot;/&gt;
    &lt;/people&gt;

Are these documents considered to represent **identical** data, or is the difference in order captured?

In XML, is order important?

Is there any C# function which could be used to escape and un-escape a string, which could be used to fill in the content of an XML element?

I am using VSTS 2008 + C# + .Net 3.0.

EDIT 1: I am concatenating simple and short XML file and I do not use serialization, so I need to explicitly escape XML character by hand, for example, I need to put `a&lt;b` into `&lt;foo&gt;&lt;/foo&gt;`, so I need escape string `a&lt;b` and put it into element foo.



String escape into XML

How do I have LINQ to XML iqnore all namespaces? Or alteranately, how to I strip out the namespaces?

I&#39;m asking because the namespaces are being set in a semi-random fashion and I&#39;m tired of having to search for nodes both with and without a namespace.

Ignore namespaces in LINQ to XML

I saw the following line in an XML file:

    xmlns:android=&quot;http://schemas.android.com/apk/res/android&quot;

I have also seen `xmlns` in many other XML files that I&#39;ve come across.

What is it?


What does &quot;xmlns&quot; in XML mean?

I&#39;d like to check if an object is a number so that `.ToString()` would result in a string containing digits and `+`,`-`,`.`

Is it possible by simple type checking in .net (like: `if (p is Number)`)?

Or Should I convert to string, then try parsing to double?


**Update:** To clarify my object is int, uint, float, double, and so on it isn&#39;t a string.
I&#39;m trying to make a function that would serialize any object to xml like this:
    
    &lt;string&gt;content&lt;/string&gt;

or

    &lt;numeric&gt;123.3&lt;/numeric&gt;

or raise an exception.

Checking if an object is a number in C#

I spent a good portion of time last week working on serialization. During that time I found many examples utilizing either the BinaryFormatter or XmlSerializer. Unfortunately, what I did not find were any examples comprehensively detailing the differences between the two.

The genesis of my curiosity lies in why the BinaryFormatter is able to deserialize directly to an interface whilst the XmlSerializer is not. [Jon Skeet][1] in an answer to &quot;[casting to multiple (unknown types) at runtime][2]&quot; provides an example of direct binary serialization to an interface. [Stan R.][3] provided me with the means of accomplishing my goal using the XmlSerializer in his answer to &quot;[XML Object Deserialization to Interface][4].&quot;

Beyond the obvious of the BinaryFormatter utilizes binary serialization whilst the XmlSerializer uses XML I&#39;d like to more fully understand the fundamental differences. When to use one or the other and the pros and cons of each.

  [1]: https://stackoverflow.com/users/22656/jon-skeet
  [2]: https://stackoverflow.com/questions/619197/casting-to-multiple-unknown-types-at-runtime/619210#619210
  [3]: https://stackoverflow.com/users/119929/stan-r
  [4]: https://stackoverflow.com/questions/1145791/xml-object-deserialization-to-interface/1145800#1145800

What are the differences between the XmlSerializer and BinaryFormatter

The book *Effective Java* and other sources provide a pretty good explanation on how and when to use the `readObject()` method when working with serializable Java classes. The `readResolve()` method, on the other hand, remains a bit of a mystery. Basically all documents I found either mention only one of the two or mention both only individually.

Questions that remain unanswered are:

 - What is the difference between the two methods?
 - When should which method be implemented?
 - How should `readResolve()` be used, especially in terms of returning what?

I hope you can shed some light on this matter.

Java serialization: readObject() vs. readResolve()

How do I convert all elements of my form to a JavaScript object? 

I&#39;d like to have some way of automatically building a JavaScript object from my form, without having to loop over each element. I do not want a string, as returned by `$(&#39;#formid&#39;).serialize();`, nor do I want the map returned by `$(&#39;#formid&#39;).serializeArray();`


Convert form data to JavaScript object with jQuery

Is it not possible to append to an `ObjectOutputStream`?

I am trying to append to a list of objects. Following snippet is a function that is called whenever a job is finished.

    FileOutputStream fos = new FileOutputStream
    	       (preferences.getAppDataLocation() + &quot;history&quot; , true);
    ObjectOutputStream out = new ObjectOutputStream(fos);
    
    out.writeObject( new Stuff(stuff) );
    out.close();


But when I try to read it I only get the first in the file. 
Then I get `java.io.StreamCorruptedException`.

To read I am using

    FileInputStream fis = new FileInputStream
    		( preferences.getAppDataLocation() + &quot;history&quot;);
    ObjectInputStream in = new ObjectInputStream(fis);    

    try{
        while(true)
            history.add((Stuff) in.readObject());
    }catch( Exception e ) { 
        System.out.println( e.toString() );
    }


I do not know how many objects will be present so I am reading while there are no exceptions. From what Google says this is not possible. I was wondering if anyone knows a way?

Content Type	Original Author	Original Content on Stackoverflow
Question	cjk	View Question on Stackoverflow
Solution 1 - C#	John Saunders	View Answer on Stackoverflow
Solution 2 - C#	th2tran	View Answer on Stackoverflow

Can you specify format for XmlSerialization of a datetime?

C# Problem Overview

C# Solutions

Solution 1 - C#

Solution 2 - C#

Regular Expression to match every new line character (\n) inside a <content> tag

How to simulate an EOF?

Attributions