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Why doesn't Dictionary have AddRange?
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I've got some solution:
Dictionary<string, string> mainDic = new Dictionary<string, string>() {
{ "Key1", "Value1" },
{ "Key2", "Value2.1" },
};
Dictionary<string, string> additionalDic= new Dictionary<string, string>() {
{ "...
How can I determine if a String is non-null and not only whitespace in Groovy?
Groovy adds the isAllWhitespace() method to Strings, which is great, but there doesn't seem to be a good way of determining if a String has something other than just white space in it.
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What is Func, how and when is it used
...pe to reference a method that returns some value of T. E.g.
public static string GetMessage() { return "Hello world"; }
may be referenced like this
Func<string> f = GetMessage;
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im...
Replace only some groups with Regex
...eed to identify them or not. That way you can use them in your replacement string. For example:
var pattern = @"(-)(\d+)(-)";
var replaced = Regex.Replace(text, pattern, "$1AA$3");
or using a MatchEvaluator:
var replaced = Regex.Replace(text, pattern, m => m.Groups[1].Value + "AA" + m.Groups...
Why aren't variables declared in “try” in scope in “catch” or “finally”?
...hrow new ArgumentException("some operation that throws an exception");
string s = "blah";
}
catch (e as ArgumentException)
{
Console.Out.WriteLine(s);
}
This clearly is a problem - when you reach the exception handler, s will not have been declared. Given that catches are meant to handl...
Defining a function with multiple implicit arguments in Scala
... in one parameter list, and this list must be the last one.
def myfun(arg:String)(implicit p1: String, p2:Int)={}
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Large Object Heap Fragmentation
... the LOH to preallocate a few objects (such as the array used for interned strings). Some of these are less than 85000 bytes and thus would not normally be allocated on the LOH.
It is an implementation detail, but I assume the reason for this is to avoid unnecessary garbage collection of instances...
Printing Java Collections Nicely (toString Doesn't Return Pretty Output)
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You could convert it to an array and then print that out with Arrays.toString(Object[]):
System.out.println(Arrays.toString(stack.toArray()));
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Sql Server string to date conversion
I want to convert a string like this:
14 Answers
14
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Remove empty array elements
Some elements in my array are empty strings based on what the user has submitted. I need to remove those elements. I have this:
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