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How to remove negative sign from LINQ output [closed]

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Closed 9 years ago.
i have following linq used in my application
var FinalSubExpired = subExpired.Where(e => (DateTime.Now - Convert.ToDateTime(e.AreasOfLawTillDate)).TotalDays <= 30 ).ToList();
which returns the total days with negative values, i need to remove that negative sign from that total days. how can i do that by modifying this linq?
Please help.

var FinalSubExpired = subExpired.Where(e => Math.Abs((DateTime.Now - Convert.ToDateTime(e.AreasOfLawTillDate)).TotalDays) <= 30).ToList();
that should do the trick

try and use Math.Abs inside your Linq query, as:
var FinalSubExpired = subExpired.Where(e => (Math.Abs(DateTime.Now - Convert.ToDateTime(e.AreasOfLawTillDate)).TotalDays) <= 30 ).ToList();

Mid as target of an assignment [closed]

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Closed 9 years ago.
I try just an old VB application in c# to convert, while I've encountered this line of code:
Mid(strData, intPosition + 1, intLenght) = strValue
How can it be translated into c#?

You would have to combine Remove and Insert, something like:
strData.Remove(intPosition, intLenght).Insert(intPosition, strValue);
The above assumes that the length of strValue was equal to intLenght. If strValue might be longer, then to replicate the Mid statement, we would need to do:
strData.Remove(intPosition, intLenght)
.Insert(intPosition, strValue.Substring(0, intLenght));

How to round up the number in c# [closed]

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Closed 10 years ago.
How can I round up values like this:
1.001 => 2
3.3 => 4
Means if the number has fractional part than i want the smallest integer number greater than the number ?
I used Math.Ceiling() but is not helping. How can i do this ?

Math.Ceiling will work. can you tell what its not working ? in term of any errors or returned result.
var returnVal=Math.Ceiling(yourValue);

Use Math.Ceiling() method.
Returns the smallest integer greater than or equal to the specified
number.
var i = Math.Ceiling(1.001);
var j = Math.Ceiling(3.3);
Console.WriteLine(i);
Console.WriteLine(j);
Output:
2
4

Math.Ceiling(value);
Should work.

double x;
x = Math.Ceiling(5.2) ;//Result; 6
x = Math.Ceiling(5.7) ;//Result; 6
x = Math.Ceiling(-5.2) ;//Result;-5
x = Math.Ceiling(-5.7) ;//Result;-5
This is a simple example. How can't you use it? Maybe you miss to assign a variable to
Math.Ceiling();

Format decimal to string [closed]

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Closed 10 years ago.
How can I format this decimal: 123456789012345678
to a string "1.234.567.890,12345678"?
Thanks!

Look here for additional information about custom formats of numbers (of any type)
public string SpecialFormatDecimal(decimal input)
{
return (input / 100000000).ToString("#,##0.00000000", System.Globalization.CultureInfo.GetCultureInfo("en-US"));
}
A simple search on google showed the answer right away.
If you need local decimal point and thousand separator you can leave out the CultureInfo.

Casperah answer is great, but don't forget, that you can use standard numeric format
public string SpecialFormatDecimal(decimal input)
{
return (input / 100000000).ToString("N8");
}

Fibonacci Recursion [closed]

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Closed 11 years ago.
Alright, so I've tried to search for it, and yes, I found the answer, but not the explanation of it, I'd like to know the explanation of the following result:
float fib(int num)
{
float result;
if (num==1)
result=0;
else
{
if (num==2)
result=1;
else
result=fib(num-1)+fib(num-2);
}
return result;
}

Start here: http://en.wikipedia.org/wiki/Recursion
Then go here: http://en.wikipedia.org/wiki/Fibbonaci_Series

The method called fib() calls itself in certain cases, and does not call itself in other cases (known as base cases).