How to check if a value is a double value in Android (Java)

To check if a value is a double value in Android you can use the snippet below.

Samples

Java (Android) Sample

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Simple Type Percent for XSD Files

To use the simply type percent (xs:decimal), see the snippet below.

<xs:simpleType name="percent">
  <xs:annotation>
    <xs:documentation>The percent type specifies a value from 0 to 100.</xs:documentation>
  </xs:annotation>
  <xs:restriction base="xs:decimal">
    <xs:minInclusive value="0"/>
    <xs:maxInclusive value="100"/>
  </xs:restriction>
</xs:simpleType>

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How to format a float to 2 decimal places in Objective-C

To format a float to 2 decimal places in Objective-C you can use the following snippet.

Sample Objective-C

NSString* formattedVariable = [NSString stringWithFormat:@"%.02f", myFloatVariable];

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What is the best datatype for money in C# and VB.NET

The best Datatype for money in C# and VB.NET is Decimal.
What is the MSDN saying about Decimal.

The Decimal value type represents decimal numbers ranging from positive 79,228,162,514,264,337,593,543,950,335 to negative 79,228,162,514,264,337,593,543,950,335. The Decimal value type is appropriate for financial calculations requiring large numbers of significant integral and fractional digits and no round-off errors. The Decimal type does not eliminate the need for rounding. Rather, it minimizes errors due to rounding.

MSDN SOURCE

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How to round to X decimal places in C# and VB.NET

To round to X decimal places in C# and VB.NET you can use one of the following methods.
Take a look at the output image to see the results.

Sample ConsoleApp in C#

static void Main(string[] args)
{
	decimal input = Decimal.Parse("3,546932");
	decimal inputZero = Decimal.Zero;
	decimal inputShort = Decimal.Parse("3,545");
	decimal inputShorter = 1;

	Console.WriteLine("######################################################################");
	Console.WriteLine("");
	Console.WriteLine("Testinput1:\t{0}", input);
	Console.WriteLine("Testinput2:\t{0}", inputZero);
	Console.WriteLine("Testinput3:\t{0}", inputShort);
	Console.WriteLine("Testinput4:\t{0}", inputShorter);
	Console.WriteLine("");

	Console.WriteLine("########## using decimal.Round AwayFromZero 2 Decimals ##########");
	Console.WriteLine("");
	Console.WriteLine("Output 1:\t{0}",decimal.Round(input, 2, MidpointRounding.AwayFromZero));
	Console.WriteLine("Output 2:\t{0}", decimal.Round(inputShort, 2, MidpointRounding.AwayFromZero));
	Console.WriteLine("Output 3:\t{0}", decimal.Round(inputShorter, 2, MidpointRounding.AwayFromZero));
	Console.WriteLine("Output 4:\t{0}", decimal.Round(inputZero, 2, MidpointRounding.AwayFromZero));
	Console.WriteLine("");

	Console.WriteLine("########## using decimal.Round ToEven 2 Decimals ##########");
	Console.WriteLine("");
	Console.WriteLine("Output 1:\t{0}", decimal.Round(input, 2, MidpointRounding.ToEven));
	Console.WriteLine("Output 2:\t{0}", decimal.Round(inputShort, 2, MidpointRounding.ToEven));
	Console.WriteLine("Output 3:\t{0}", decimal.Round(inputShorter, 2, MidpointRounding.ToEven));
	Console.WriteLine("Output 4:\t{0}", decimal.Round(inputZero, 2, MidpointRounding.ToEven));
	Console.WriteLine("");

	Console.WriteLine("########## using .ToString(\"0.00\") 2 Decimals ##########");
	Console.WriteLine("");
	Console.WriteLine("Output 1:\t{0}", input.ToString("0.00"));
	Console.WriteLine("Output 2:\t{0}", inputShort.ToString("0.00"));
	Console.WriteLine("Output 3:\t{0}", inputShorter.ToString("0.00"));
	Console.WriteLine("Output 4:\t{0}", inputZero.ToString("0.00"));
	Console.WriteLine("");

	Console.WriteLine("########## using .ToString(\"0.00\") 5 Decimals ##########");
	Console.WriteLine("");
	Console.WriteLine("Output 1:\t{0}", input.ToString("0.00000"));
	Console.WriteLine("Output 2:\t{0}", inputShort.ToString("0.00000"));
	Console.WriteLine("Output 3:\t{0}", inputShorter.ToString("0.00000"));
	Console.WriteLine("Output 4:\t{0}", inputZero.ToString("0.00000"));
	Console.WriteLine("");

	Console.Read();
}

Sample ConsoleApp in VB.NET

Private Shared Sub Main(args As String())
	Dim input As Decimal = [Decimal].Parse("3,546932")
	Dim inputZero As Decimal = [Decimal].Zero
	Dim inputShort As Decimal = [Decimal].Parse("3,545")
	Dim inputShorter As Decimal = 1

	Console.WriteLine("######################################################################")
	Console.WriteLine("")
	Console.WriteLine("Testinput1:" & vbTab & "{0}", input)
	Console.WriteLine("Testinput2:" & vbTab & "{0}", inputZero)
	Console.WriteLine("Testinput3:" & vbTab & "{0}", inputShort)
	Console.WriteLine("Testinput4:" & vbTab & "{0}", inputShorter)
	Console.WriteLine("")

	Console.WriteLine("########## using decimal.Round AwayFromZero 2 Decimals ##########")
	Console.WriteLine("")
	Console.WriteLine("Output 1:" & vbTab & "{0}", Decimal.Round(input, 2, MidpointRounding.AwayFromZero))
	Console.WriteLine("Output 2:" & vbTab & "{0}", Decimal.Round(inputShort, 2, MidpointRounding.AwayFromZero))
	Console.WriteLine("Output 3:" & vbTab & "{0}", Decimal.Round(inputShorter, 2, MidpointRounding.AwayFromZero))
	Console.WriteLine("Output 4:" & vbTab & "{0}", Decimal.Round(inputZero, 2, MidpointRounding.AwayFromZero))
	Console.WriteLine("")

	Console.WriteLine("########## using decimal.Round ToEven 2 Decimals ##########")
	Console.WriteLine("")
	Console.WriteLine("Output 1:" & vbTab & "{0}", Decimal.Round(input, 2, MidpointRounding.ToEven))
	Console.WriteLine("Output 2:" & vbTab & "{0}", Decimal.Round(inputShort, 2, MidpointRounding.ToEven))
	Console.WriteLine("Output 3:" & vbTab & "{0}", Decimal.Round(inputShorter, 2, MidpointRounding.ToEven))
	Console.WriteLine("Output 4:" & vbTab & "{0}", Decimal.Round(inputZero, 2, MidpointRounding.ToEven))
	Console.WriteLine("")

	Console.WriteLine("########## using .ToString(""0.00"") 2 Decimals ##########")
	Console.WriteLine("")
	Console.WriteLine("Output 1:" & vbTab & "{0}", input.ToString("0.00"))
	Console.WriteLine("Output 2:" & vbTab & "{0}", inputShort.ToString("0.00"))
	Console.WriteLine("Output 3:" & vbTab & "{0}", inputShorter.ToString("0.00"))
	Console.WriteLine("Output 4:" & vbTab & "{0}", inputZero.ToString("0.00"))
	Console.WriteLine("")

	Console.WriteLine("########## using .ToString(""0.00"") 5 Decimals ##########")
	Console.WriteLine("")
	Console.WriteLine("Output 1:" & vbTab & "{0}", input.ToString("0.00000"))
	Console.WriteLine("Output 2:" & vbTab & "{0}", inputShort.ToString("0.00000"))
	Console.WriteLine("Output 3:" & vbTab & "{0}", inputShorter.ToString("0.00000"))
	Console.WriteLine("Output 4:" & vbTab & "{0}", inputZero.ToString("0.00000"))
	Console.WriteLine("")

	Console.Read()
End Sub

OUTPUT

Decimal Place Formatting

Decimal Place Formatting

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