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Apache Commons equals/hashCode builder [closed]
...yd The Guava-way not only creates an array object for the varargs, it also converts ALL parameters to objects. So when you pass 10 int values to it then you will end up with 10 Integer objects and an array object. The commons-lang solution only creates a single object, no matter how many values you ...
Joining two lists together
...ne I think so. As previously said, Concat returns a new sequence and while converting the result to List, it does the job perfectly. Implicit conversions may fail sometimes when using the AddRange method.
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Using LINQ to remove elements from a List
... for( int i = 0; i < size; i++ )
{
ch = Convert.ToChar( Convert.ToInt32( Math.Floor( 26 * random.NextDouble() + 65 ) ) );
builder.Append( ch );
}
return builder.ToString();
}
}
}
Results below:
Be patient, gen...
Java Byte Array to String to Byte Array
...yte[] to string, string representation of byte[] to byte[] conversion... I convert my byte[] to a string to send, I then expect my web service (written in python) to echo the data straight back to the client.
...
Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...a perfectly good way of doing integer powers (with doubles and then simply converting back to an integer, checking for integer overflow and underflow before converting).
Second, another thing you have to remember is that the original intent of C was as a systems programming language, and it's quest...
Integer.valueOf() vs. Integer.parseInt() [duplicate]
...g a NullPointerException when pulling an int from a database and trying to convert it from String to int in Java. NOT String to Integer. I had to switch to Integer.parseInt() instead.
– anon58192932
Sep 28 '15 at 20:08
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machine learning libraries in C# [closed]
...; example.Count; i++)
{
instance.setValue(attributes[i], Convert.ToDouble(example[i]));
}
instances.add(instance);
}
return instances;
}
}
public static class Classifier
{
public static TClassifier Build<TClassifier>(TrainingSet training...
What's the difference between dynamic (C# 4) and var?
...g[] args)
{
Junk a = new Junk(); //NOTE: Compiler converted var to Junk
object b = new Junk(); //NOTE: Compiler converted dynamic to object
a.Hello(); //Already Junk so just call the method.
//NOTE: Runtime binding (late...
Can a C# lambda expression have more than one statement?
...pression using braces, but only the syntax which doesn't use braces can be converted into an expression tree:
// Valid
Func<int, int> a = x => x + 1;
Func<int, int> b = x => { return x + 1; };
Expression<Func<int, int>> c = x => x + 1;
// Invalid
Expression...
How to implement a rule engine?
...yParse(r.Operator, out tBinary)) {
var right = Expression.Constant(Convert.ChangeType(r.TargetValue, tProp));
// use a binary operation, e.g. 'Equal' -> 'u.Age == 21'
return Expression.MakeBinary(tBinary, left, right);
} else {
var method = tProp.GetMethod(r.Op...