"Private Method 'Gets' Called for "Parker":String

Determine function name from within that function (without using traceback)

Python doesn't have a feature to access the function or its name within the function itself. It has been proposed but rejected. If you don't want to play with the stack yourself, you should either use "bar" or bar.__name__ depending on context.

The given rejection notice is:

This PEP is rejected. It is not clear how it should be implemented or what the precise semantics should be in edge cases, and there aren't enough important use cases given. response has been lukewarm at best.

How to remove the last character from a string?

replace will replace all instances of a letter. All you need to do is use substring():

public String method(String str) {
    if (str != null && str.length() > 0 && str.charAt(str.length() - 1) == 'x') {
        str = str.substring(0, str.length() - 1);
    }
    return str;
}

How to grab substring before a specified character in JavaScript?

const streetAddress = addy.substring(0, addy.indexOf(","));

While it’s not the best place for definitive information on what each method does (MDN Web Docs are better for that) W3Schools.com is good for introducing you to syntax.

Sql Query to get the Full name from the table Employee Eliminating Null Value

When you concatenate strings, NULL takes precedence. So, use COALESCE(). This is a pain with separators, but the following should do what you want:

Select ltrim(coalesce(' ' + FirstName, '') +
             coalesce(' ' + MiddleName, '') +
             coalesce(' ' + LastName)
            ) as FullName
From EmpName;

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