How I convert a number to 3 decimal points?

I’m having a problem where I can’t convert numbers to something like "0.037", given the case where I have 37 as one of these numbers, without this affecting larger numbers like "2015", which in turn manage to become "2.015". I tried approaches like: myNumber = parseFloat(myNumber.toFixed(3)); myNumber = (myNumber / 1000).toFixed(3); i keep having my… Read More How I convert a number to 3 decimal points?

the ifs aren't working properly most of the time in this code. [java]

import java.io.IOException; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner s = new Scanner(System.in); double A=0, J=1; int aux=0; for(int i = 0; ; i++){ if(A%1==0.0 && J%1==0.0) { System.out.printf("I=%.0f J=%.0f\n", A, J); } else if(A%1!=0 && J%1==0) { System.out.printf("I=%.1f J=%.0f\n", A, J); } else if(A%1==0 && J%1!=0) { System.out.printf("I=%.0f… Read More the ifs aren't working properly most of the time in this code. [java]

How to Find the number zero in decimal part where add no value to the number and remove that part

I am using the following code to convert cm to the meter. public static double? ConvertCmToM(double? cm) { return cm.Value * 0.01; } When I input the number 8.8 output giving as 0.08800000000000001m But I want to stop in the index where zero adds no value in the decimal part. In this case I want… Read More How to Find the number zero in decimal part where add no value to the number and remove that part

MySQL modify column, data trunctation out of range, but when range increased

I Have table with column of decimal(20, 2) unsigned. I am trying modify this column (increase fraction part precision): alter table table_name modify column column_name decimal(20, 18) unsigned; But receiving error: [22001][1264] Data truncation: Out of range value for column ‘amount’ at row 1 And what strange – I don’t have row with such id… Read More MySQL modify column, data trunctation out of range, but when range increased

How to replace a commas with periods in text for decimal numbers in python

To replace commas with periods in text for decimal numbers in Python, you can use the `replace()` method of the `string` class. Here is an example of how you could do this: This will print the following output: Keep in mind that this will only work if the commas are used as decimal separators. If… Read More How to replace a commas with periods in text for decimal numbers in python

Decimals – I try to use "." gives error in one place I try "," gives in another place

I insert for example 12.45 gives me error here: //Input string was not in a correct format deposit = decimal.Parse(Console.ReadLine()); If I insert 12,45 gives me error here: //Incorrect syntax near ‘,’ var reader = cmd.ExecuteReader(); Here is already after the part where it gives error on top, and the value already works up there,… Read More Decimals – I try to use "." gives error in one place I try "," gives in another place

Creating python decimal with locale formatted string

I am using the Python decimal module, I’ve set my locale to Germany such that locale.localeconv()["decimal_point"] is ",". When I try creating a decimal like decimal.Decimal("1,23"), I get a decimal conversion syntax error. When I do decimal.Decimal("1.23"), it works. Does the Python decimal not respect locale settings when creating decimal from string? >Solution : No,… Read More Creating python decimal with locale formatted string

Inherit class Decimal, and add another input argument in the constructor

A minimal example to reproduce my problem: from decimal import Decimal class MyDecimal(Decimal): def __init__(self, value, dummy): super().__init__(value) print(dummy) x = MyDecimal(5, ‘test’) Throws: TypeError: optional argument must be a context A similar issue is described in this question, but the answer suggests that this is a bug which was fixed on Python 3.3, and… Read More Inherit class Decimal, and add another input argument in the constructor