Top "Numeric" questions

This tag is for questions concerning problems using numbers which either cannot be exactly solved, or where the exact solution may be much more difficult to acquire than by using numerical methods.

How to check if NSString is contains a numeric value?

I have a string that is being generate from a formula, however I only want to use the string as …

iphone ios nsstring numeric
How to limit iOS keyboard to numeric input

The question pretty much says it all. Is there any way to have the iOS/iPhone keyboard default to numeric …

ios keyboard numeric
Keep only numeric value from a string?

I have some strings like this string phoneNumber = "(914) 395-1430"; I would like to strip out the parethenses and the dash, …

c# regex string numeric
How to convert time (mm:ss) to decimal form in R

I've imported a csv-file to R using RStudio where I am trying to plot points per game against minutes per …

r time numeric
How can i convert a factor column that contains decimal numbers to numeric?

I have a csv file and when i use this command SOLK<-read.table('Book1.csv',header=TRUE,sep=…

r dataframe numeric r-factor
How to make input field type both numeric and password?

I'm aware of this: <input type="tel"> and I'm aware of this: <input type="password"> But …

html input passwords numeric
Preserving large numbers

I am trying to read a CSV file that has barcodes in the first column, but when R gets it …

r csv import precision numeric
3.days.ago, 2.hours.from_now etc without Rails?

Some book mentioned some gem to decorate numbers with #days, #megabytes, #minutes etc. Is this only in ActiveSupport, or is …

ruby-on-rails ruby rubygems numeric activesupport
Numeric TextField for Integers in JavaFX 8 with TextFormatter and/or UnaryOperator

I am trying to create a numeric TextField for Integers by using the TextFormatter of JavaFX 8. Solution with UnaryOperator: UnaryOperator&…

java javafx textfield numeric formatter
r - convert factor to numeric and remove levels

I have a column in my data frame that is numbers 1, 2, 3, until 31. column is titled 'game' R tells me this …

r numeric levels