Top "Character" questions

Convert data.frame column format from character to factor

I would like to change the format (class) of some columns of my data.frame object (mydf) from charactor to …

r dataframe character r-faq

Is there an upside down caret character?

I have to maintain a large number of classic ASP pages, many of which have tabular data with no sort …

html sorting user-interface character-encoding character

How can I use modulo operator (%) in JavaScript?

How can I use modulo operator (%) in calculation of numbers for JavaScript projects?

javascript char character

What characters are valid for JavaScript variable names?

Which characters can be used for naming a JavaScript variable? I want to create a small "extension library" for my …

javascript character

Get nth character of a string in Swift programming language

How can I get the nth character of a string? I tried bracket([]) accessor with no luck. var string = "Hello, …

swift string collections character

Remove first 4 characters of a string with PHP

How can I remove the first 4 characters of a string using PHP?

php string character

Java String remove all non numeric characters

Trying to remove all letters and characters that are not 0-9 and a period. I'm using Character.isDigit() but it …

java string character decimal

How to remove certain characters from a string in C++?

For example I have a user input a phone number. cout << "Enter phone number: "; INPUT: (555) 555-5555 cin >&…

c++ string character

Output single character in C

When printing a single character in a C program, must I use "%1s" in the format string? Can I use …

c character string-formatting

Creating Unicode character from its number

I want to display a Unicode character in Java. If I do this, it works just fine: String symbol = "\u2202"; …

java string unicode character