Printing char arrays in Java

Solution is to use new String(c): And the “” + is really bogus and should be removed. Below is why you get what you get. System.out is a PrintStream. println() has an overload for println(char[] x): Prints an array of characters and then terminate the line. This method behaves as though it invokes print(char[]) and … Read more

Python script header

First, any time you run a script using the interpreter explicitly, as in the #! line is always ignored. The #! line is a Unix feature of executable scripts only, and you can see it documented in full on the man page for execve(2). There you will find that the word following #! must be the pathname of a valid executable. So executes whatever python is on … Read more

Division of integers in Java

Converting the output is too late; the calculation has already taken place in integer arithmetic. You need to convert the inputs to double: Note that you don’t actually need to convert both of the inputs. So long as one of them is double, the other will be implicitly converted. But I prefer to do both, for symmetry.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)