string
Oracle, adding leading zeros to string (not number)
You can use the LPAD function for that, passing in the string, the length you want it to be, and the character to pad it with. For 10 digits with leading zeroes this would be: LPAD(’12H89′, 10, ‘0’) The return value is the padded string. See: http://www.techonthenet.com/oracle/functions/lpad.php
Check if a string is blank or doesn’t exist in Scala
What you should do is check using exists. Like so: myOption.exists(_.trim.nonEmpty) which will return True if and only if the Option[String] is not None and not empty.
Converting integer to string in Julia
You should use: b = string(a) or b = repr(a) string function can be used to create string from any value using print and repr uses showall. In case of Int64 this is equivalent. And actually this is probably the reason why convert does not work – as there are many ways to convert integer … Read more
Can I check strings equality in lua?
This should work exactly as you expect it to. In lua ‘==’ for string will return true if contents of the strings are equal. As it was pointed out in the comments, lua strings are interned, which means that any two strings that have the same value are actually the same string.
How to accept &str, String and &String in a single function?
You can use the AsRef<str> trait: // will accept any object that implements AsRef<str> fn print<S: AsRef<str>>(stringlike: S) { // call as_ref() to get a &str let str_ref = stringlike.as_ref(); println!(“got: {:?}”, str_ref) } fn main() { let a: &str = “str”; let b: String = String::from(“String”); let c: &String = &b; print(a); print(c); print(b); … Read more
Most idiomatic way to convert None to empty string? [closed]
Probably the shortest would be str(s or ”) Because None is False, and “x or y” returns y if x is false. See Boolean Operators for a detailed explanation. It’s short, but not very explicit.
How to write a multiline string in Swift?
Swift 4 includes support for multi-line string literals. In addition to newlines they can also contain unescaped quotes. var text = “”” This is some text over multiple lines “”” Older versions of Swift don’t allow you to have a single literal over multiple lines but you can add literals together over multiple lines: var … Read more
Dollar Sign Character in Multiline Strings
To escape the dollar sign inside a string literal, use the backslash character: “\$” To escape it in a raw string literal (“””…”””), the workaround you provided is indeed the easiest solution at the moment. There’s an issue in the bug tracker, which you can star and/or vote for: KT-2425.
Removing spaces from a variable input using PowerShell 4.0
The Replace operator means Replace something with something else; do not be confused with removal functionality. Also you should send the result processed by the operator to a variable or to another operator. Neither .Replace(), nor -replace modifies the original variable. To remove all spaces, use ‘Replace any space symbol with empty string‘ $string = … Read more