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Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
...
The reason for first one working:
From MSDN:
In string concatenation operations,the C# compiler treats a null string the same as an empty string, but it does not convert the value of the original null string.
More information on the + binary operator:
The binary + operat...
How to convert a char array back to a string?
...ry minimal.
Note however, that this is a very unusual situation: Because String is handled specially in Java, even "foo" is actually a String. So the need for splitting a String into individual chars and join them back is not required in normal code.
Compare this to C/C++ where "foo" you have a b...
How can you encode a string to Base64 in JavaScript?
I have a PHP script that can encode a PNG image to a Base64 string.
26 Answers
26
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What's the best way to trim std::string?
I'm currently using the following code to right-trim all the std::strings in my programs:
46 Answers
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How to set a Default Route (To an Area) in MVC
...reViewEngine : VirtualPathProviderViewEngine
{
private static readonly string[] EmptyLocations = { };
public override ViewEngineResult FindView(
ControllerContext controllerContext, string viewName,
string masterName, bool useCache)
{
if (controllerContext == nul...
HTML in string resource?
I know I can put escaped HTML tags in string resources. However, looking at the source code for the Contacts application I can see that they have a way of not having to encode the HTML. Quote from the Contacts application strings.xml :
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What is the difference between a string and a byte string?
I am working with a library which returns a byte string and I need to convert this to a string.
7 Answers
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What is the difference between single-quoted and double-quoted strings in PHP?
I'm a little confused why I see some code in PHP with string placed in single quotes and sometimes in double quotes.
12 Ans...
Is a Java string really immutable?
We all know that String is immutable in Java, but check the following code:
15 Answers
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Modify request parameter with servlet filter
... are the characters allowed by the Javascript validation */
static String allowedChars = "+-0123456789#*";
public FilteredRequest(ServletRequest request) {
super((HttpServletRequest)request);
}
public String sanitize(String input) {
String re...