c++,string,zero,decimal-point,trailing

You need to change it to: while( toFormat.find(".")!=string::npos // !=string::npos is important!!! && toFormat.substr( toFormat.length() - 1, 1) == "0" || toFormat.substr( toFormat.length() - 1, 1) == "." ) { toFormat.pop_back(); } The key here is to add !=string::npos. When not found, std::basic_string::find() will return std::basic_string::npos, which is not equal...

javascript,d3.js,localization,decimal-point

Using the following settings for d3.locale: var localeFormatter = d3.locale({ "decimal": ",", "thousands": ".", ... }); Note that I have changed the . in , and vice versa. And with: var numberFormat = localeFormatter.numberFormat(",.2f"); I print the number using a thousands separator , (it uses a . as defined in...

php,mysql,floating-point,floating-point-precision,decimal-point

Understand that float is not a precise decimal number but a value that's close to it. The way it's stored is very efficient at the cost of not being exact. Without knowing your exact needs, one possible solution is to store the numbers as floats and round them to one...

python,python-3.x,floating-point,range,decimal-point

If I understand well, you want to check if number is between x and y. Just use comparisons then. The following has the same behavior the "number in range(x, y)" solution has with integers: if x <= number < y: range_list.append(number) Even if number is an integer, this sort of...

c++,complex-numbers,decimal-point,punctuation

I would like to create a new unary mark that designates a constant number in the code to be interpreted as a member of a created datatype. You can use user defined literals that were introduced in C++11. As an example, assuming you have a class type Type and...

r,csv,decimal,decimalformat,decimal-point

#some sample data write.csv(data.frame(a=c("1.234,56","1.234,56"), b=c("1.234,56","1.234,56")), "test.csv",row.names=FALSE,quote=TRUE) #define your own numeric class setClass('myNum') #define conversion setAs("character","myNum", function(from) as.numeric(gsub(",","\\.",gsub("\\.","",from)))) #read data with custom colClasses read_data=read.csv("test.csv",stringsAsFactors=FALSE,colClasses=c("myNum","myNum")) #let's try whether this is really a numeric read_data[1,1]*2 #[1] 2469.12 ...

python,csv,pandas,indexing,decimal-point

I would rewrite your two bottom lines: with open('foo.csv', 'w') as f: data.to_csv(f, index=True, header=True, decimal=',', sep=' ', float_format='%.3f') Into data.reset_index().to_csv('foo.csv', index=False, header=True, decimal=',', sep=' ', float_format='%.3f') This is a bit of a workaround, but as you have noticed, the keyword arguments decimal= and float_format= only work on data columns,...

matlab,vector,decimal-point,significant-digits

First, read the MATLAB documentation on Floating Point values, paying special attention to the section on floating point error and precision: MATLAB Floating Point You are encountering a incredibly common issue with floating-point precision. It is important to recognize you are not in fact comparing: >> a = 0.6; >>...

Try this to break with "." : NumberFormatInfo numFormat = new NumberFormatInfo(); numFormat.NumberDecimalSeparator = ","; numFormat.NumberGroupSeparator = "."; long val = 12345678912345; String result = val.ToString("#,##0",numFormat); For adding suffixed info, do this : String result = null; if (val / 1000000000 > 1) result = val.ToString("#,##0,#,,B",numFormat); else if (val /...

As Thomas M. DuBuisson answered in a comment above, the obvious thing to do is myRead = read . ('0':) :: String -> Float. This works for me --- I won't ever be trying to read negative numbers, and I know which fields should be read as float. Thanks!

reporting-services,decimal,decimal-point

I would use an Expression to set the Format property, something like: =Iif ( Me.Value = Floor ( Me.Value ) , "0%" , "0.00%" )...

php,floating-point,decimal-point,number-rounding

You can set this parameters at run-time. 16 digits is usually the maximum value on most platforms, larger values giving only meaningless or "fictional" digits: ini_set("precision", "16"); See Changing precision level floating-point variables...

python,python-3.x,time,rounding,decimal-point

Use the second argument of round which indicates the number of numbers after the decimal: send_time_ms = time.time() ... recv_time_ms = time.time() rtt_in_ms = round(recv_time_ms - send_time_ms, 3) ...