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Questions tagged [decimal-point]

The character or glyph used to separate the integer part from the fraction part in a decimal number. Usually either a dot or a comma.

378 questions
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double string conversion and locale

A common international issue is the conversion of double values represented in strings. This stuff is found in a lot of areas. Starting with csv files which are either called comma separated or character separated because sometimes they are stored…
Totonga
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Limiting text field entry to only one decimal point

I have created a text field to enter an amount of money. I want the user to be able to enter only one decimal point. I implemented that in the -(BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range…
utsabiem
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pd.read_feather problems with decimal / thousands separator and rounding problems for floats

I'd like to use .ftr files to quickly analyze hundreds of tables. Unfortunately I have some problems with decimal and thousands separator, similar to that post, just that read_feather does not allow for decimal=',', thousands='.' options. I've tried…
TiTo
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How to format float decimals when using Value With Pattern binding?

I have an NSTextField, which is bound to a float value through Interface Builder via "Value with Pattern" field. The default display pattern is %{value1}@ Is there any way I can modify that line to have my output formatted to 2 decimal places? Or is…
anna
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How to specify the decimal separator in Google Charts?

Is there a way to specify the decimal separator in Google Charts? By default it seems to be based on the locale, however the need I have is to have the decimal separator to be a "dot" rather than the comma for some locales (my users are in a locale…
Eric Grange
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Linq to SQL: Why decimal field get truncated on Insert?

I have a column defined as decimal(10,6). When I try to save the model with the value 10.12345, in the database I saved as 10.123400. The last digit ("5") is truncated. Why is the number default to only 4 digits in LINQ (for decimal) and how can I…
Emanuel
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How to properly display a price up to two decimals (cents) including trailing zeros in Java?

There is a good question on rounding decimals in Java here. But I was wondering how can I include the trailing zeros to display prices in my program like: $1.50, $1.00 The simple solution of String.format("%.2g%n", 0.912385); works just fine, but…
denchr
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How to calculate decimal digits of precision based on the number of bits?

I am learning about floating point formats (IEEE). In the single precision floating point format ,it is mentioned that the mantissa has 24 bits and so it has 6 1/2 decimal digits of precision (as the per the book "understanding the machine") , and…
Yogi
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In Perl, how can I limit the number of places after the decimal point but have no trailing zeroes?

This question is similar to "dropping trailing ‘.0’ from floats", but for Perl and with a maximum number of digits after the decimal. I'm looking for a way to convert numbers to string format, dropping any redundant '0', including not just right…
Brian Carlton
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Change comma to period in decimal pad ignoring current device locale

I have a UITextField and its keyboard type is DecimalPad. The app only supports one language (italian) and the decimal pad displays a comma instead of a period as a decimal separator. I need to change that comma to a period, so that, whatever locale…
user5273262
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2 answers

Ruby Regex to round trailing zeros

I'm looking for a regex to remove trailing zeros from decimal numbers. It should return the following results: 0.0002300 -> 0.00023 10.002300 -> 10.0023 100.0 -> 100 1000 -> 1000 0.0 -> 0 0 -> 0 Basically, it should remove…
sa125
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Python PANDAS write to csv: how to set decimal point (".", or ",")?

I can't seem to find the option to set the decimal point for floats (".", or ",") when WRITING a DataFrame to a csv file. (Reading is no problem.) My task/problem: I'm publishing a program/script and want all users independent of their OS and…
tryptofame
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Matlab: How to read in numbers with a comma as decimal separator?

I have a whole lot (hundreds of thousands) of rather large (>0.5MB) files, where data are numerical, but with a comma as decimal separator. It's impractical for me to use an external tool like sed "s/,/./g". When the separator is a dot, I just use…
Marek Kurdej
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Pandas dataframe with float64 incorrectly exported by to_json() function

This issue is about exporting the dataframe with float64 datatype, using the to_json() function from Pandas. The source code is attached below. import pandas if __name__ == "__main__": d = {'col1': [11111111.84, 123456.55], 'col2': [3, 4]} …
E. S.
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How to round the double value upto two decimal points in dart?

I have made this method that was called to perform functionality and do calculation but return number in double format for some calculations upto more than 10 decimal points. How can i make this code to show only upto 2 or 3 decimal…
Umair
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