double Questions
6
Solved
I'm trying to unit test a getprice method using NUnit. I am stuck with parsing the rawprice into double. My cultureinfo is en-US but I set it to de-DE for this test. Double parsing with numberstyle...
3
Solved
I get an exception when I try to deserialize to an object from a JSON string.
Input string '46.605' is not a valid integer. Path 'LatitudeCenter'
It's really weird because JsonConvert tries to de...
Caisson asked 29/12, 2015 at 18:15
3
I have a problem with double output! It irritates me.
It happens with every output. Please help!
Woodyard asked 15/6, 2018 at 9:24
8
Solved
When I have such piece of code in C#:
double a = 0.003;
Console.WriteLine(a);
It prints "0,003".
If I have another piece of code:
double a = 0.003;
Console.WriteLine(a.ToString(CultureInfo.Inv...
3
I want to convert string to double.
Here's example of what I do :
string line = "4.1;4.0;4.0;3.8;4.0;4.3;4.2;4.0;";
double[] values = line2.Split(';').Select(double.Parse).ToArray();
But an ...
5
Solved
In Swift, how can one check if a string is a valid double value? I have been using the following extension from this question (but as a float) but if the value cannot be converted, it simply return...
4
If I try to compile this code...
fun main(args: Array<String>) {
for (i in 1.0..2.0) {
println(i)
}
}
... I get the error saying
For-loop range must have an 'iterator()' method
If I add ...
3
Solved
I want to convert a long double to string without scientific notation in Dart, I thought just doing a .toString() would do the trick but it's not the case.
Here's my code:
void main() {
double nu...
8
I tried to convert a double to its binary representation, but using this Long.toBinaryString(Double.doubleToRawLongBits(d)) doesn't help, since I have large numbers, that Long can't store them i.e ...
Celsacelsius asked 15/6, 2011 at 15:1
10
Solved
How can I get PHP to evaluate a static variable in double quotes?
I want to do something like this:
log("self::$CLASS $METHOD entering");
I've tried all sorts of {} combos to get the var...
2
Solved
I have been looking at some code which had a weird optimisation fault and, in the process, stumbled upon a fault condition in strtod(), which has a different behaviour to strtof(), right on the edg...
Blackbird asked 19/1 at 16:28
7
Solved
What is the function that removes trailing zeros from doubles?
var double = 3.0
var double2 = 3.10
println(func(double)) // 3
println(func(double2)) // 3.1
2
Solved
I'm wondering if there is an easier way to write these two initializers as a generic Initializer
public required init(_ value : Double) {
super.init(value: value, unitType: unit)
}
public requir...
19
Solved
I need to store a double as a string. I know I can use printf if I wanted to display it, but I just want to store it in a string variable so that I can store it in a map later (as the value, not th...
3
Solved
I have written the code:
int x = 18;
x *= 0.90;
System.out.println(x);
This code printed 16
However, when I wrote
int x = 18;
x = x * 0.90;
System.out.println(x);
it gave me the following...
Paymar asked 8/12, 2023 at 4:15
12
Solved
Comparing those two values shall result in a "true":
53.9173333333333 53.9173
10
Solved
I was wondering if there was a way to get the number of results from a MySQL query, and at the same time limit the results.
The way pagination works (as I understand it) is to first do something li...
Idyllic asked 4/5, 2009 at 2:5
36
Solved
Can anyone tell me how to round a double value to x number of decimal places in Swift?
I have:
var totalWorkTimeInHours = (totalWorkTime/60/60)
With totalWorkTime being an NSTimeInterval (doub...
Happening asked 7/12, 2014 at 1:27
7
Solved
int is usually 32 bits, but in the standard, int is not guaranteed to have a constant width. So if we want a 32 bit int we include stdint.h and use int32_t.
Is there an equivalent for this for flo...
Kwok asked 26/8, 2009 at 0:55
10
I've been trying to find out the reason, but I couldn't.
Can anybody help me?
Look at the following example.
float f = 125.32f;
System.out.println("value of f = " + f);
double d = (double) 125.32...
Dhaulagiri asked 6/7, 2013 at 16:29
7
Solved
I need to truncate the amount of decimal places of my double value for display in a textbox. How would one achieve this with vba?
Lanate asked 5/7, 2012 at 15:33
8
Solved
I have to calculate some floating point variables and my colleague suggest me to use BigDecimal instead of double since it will be more precise. But I want to know what it is and how to make most o...
Adjudication asked 5/8, 2010 at 9:39
3
Solved
I know in C and Java, float's underlying representation is IEEE754-32, double is IEEE754-64.
In expressions, float will be auto-promoted to double. So how?
Take 3.7f for example. Is the process ...
Markowitz asked 25/8, 2012 at 2:47
1
I am encountering a weird issue in visual studio 2022 (version 17.7.1). In the following program:
#include <iostream>
#include <sstream>
using namespace std;
int main()
{
istringstrea...
8
Solved
This program works, except when the number of nJars is a multiple of 7, I will get an answer like $14.999999999999998. For 6, the output is 14.08. How do I fix exceptions for multiples of 7 so it w...
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