"I've lost the will to live," Reacher writes, "or at the very least, debug my coworker's code."

"Whenever this coworker works on a new project, he always insists upon adding in Utils.cs. It's a collection of static methods that he's been building up since a CS class at university, and contains all sorts of useful helpers like this...

public static double Add(double firstNo, double secondNo) 
{
    double total=firstNo+secondNo;
    return total;
}


public static double Add(double[] valueArray)
{
    double total = 0.00;
    foreach(double val in valueArray)
    {
        total+=val;
    }
    return total;
}

public static double Multiply(double num1, double num2)
{
    return num1*num2;
}

"Time and time again, he claims they're useful 'in general'...