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How to get the name of the current method from code [duplicate]
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C# version 6 have new feature nameof() which can be used for this purpose too: nameof(this.YourCurrentMethod); https://msdn.microsoft.com/en-us/library/dn986596.aspx
– Fabio
Feb 6 '16 at...
Null coalescing in powershell
...ondition) { expr1 } else { expr2 }
So to the replacements for your first C# expression of:
var s = myval ?? "new value";
becomes one of the following (depending on preference):
$s = if ($myval -eq $null) { "new value" } else { $myval }
$s = if ($myval -ne $null) { $myval } else { "new value" }...
Is there a string math evaluator in .NET?
...s String = "1 + 2 * 7"
Dim result As Double = sc.Eval(expression)
Edit - C# version.
MSScriptControl.ScriptControl sc = new MSScriptControl.ScriptControl();
sc.Language = "VBScript";
string expression = "1 + 2 * 7";
object result = sc.Eval(expression);
MessageBox.Show(result.ToString(...
C#: How to convert a list of objects to a list of a single property of that object?
Say I have:
6 Answers
6
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Select N random elements from a List in C#
I need a quick algorithm to select 5 random elements from a generic list. For example, I'd like to get 5 random elements from a List<string> .
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Escape double quotes in a string
...ither case - there is a single escaped " in it. This is just a way to tell C# that the character is part of the string and not a string terminator.
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How can I reliably determine the type of a variable that is declared using var at design time?
I'm working on a completion (intellisense) facility for C# in emacs.
8 Answers
8
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How does comparison operator works with null int?
... it seems that nothing <> 1 = null in VB whereas null != 1 = true in C# - I have been using LinqPad to test the statements
– Luke T O'Brien
May 24 '17 at 10:13
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Checking to see if a DateTime variable has had a value assigned
Is there an easy way within C# to check to see if a DateTime instance has been assigned a value or not?
9 Answers
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Are string.Equals() and == operator really same? [duplicate]
...s an example using double (from Joseph Albahari’s note to §7.9.2 of the C# language specification):
double x = double.NaN;
Console.WriteLine (x == x); // False
Console.WriteLine (x != x); // True
Console.WriteLine (x.Equals(x)); // True
He goes on to say that the double.Equa...