first string is empty, so bool() will return False inside if condition. Hence statement inside the else block is executed. second string is not empty, so bool() will return True inside if condition. Hence statement inside the if condition is executed. last string is not empty, so bool()...
Anempty functionis a function that does not contain any statement within its body. If you try to write a function definition without any statement in python – it will return an error ("IndentationError: expected an indented block").
if(empty($formData['name'])){$errors[]="Name is required.";}if(empty($formData['email'])){$errors[]="Email is necessary.";}if(empty($formData['age'])){$errors[]="Age can not be empty or zero.";}if(empty($formData['message'])){$errors[]="Message can not be empty.";}/...
Numpy is a vast library in python which is used for almost every kind of scientific or mathematical operation. It is itself an array which is a collection of various methods and functions for processing the arrays.Problem statementSuppose we are given a NumPy array that contains some numerical ...
There are six whitespace characters in python namely space “”, tab“\t”, newline “\n”, vertical tab ”\v”, carriage return “\r”, and “\f” feed. We can use a list of these whitespace characters and a for loop to check if a string is empty or whitespace in python. For...
The Python "ValueError: min() arg is an empty sequence" occurs when we pass an empty sequence to themin()function. To solve the error, provide thedefaultkeyword argument in the call to themin()function, e.g.result = min(my_list, default=0). ...
In both cases, if theifstatement does not find aTruevalue, then theelseblock will be executed. This file exists, ok!This is an empty file. Check Empty Excel File in Python There is a problem with the above code; we have an empty file, but its size is not 8kb. It is seen withCS...
In Python, an empty list is consideredFalsein a boolean context, while a non-empty list is consideredTrue. Therefore, the most straightforward and "Pythonic" way to check if a list is empty is simply to use the list in anifstatement as follows: ...
(); String sql=null; sql="select empno,ename,job,mgr,hiredate,sal,comm,deptno from emp"; PreparedStatement preparedStatement=connection.prepareStatement(sql); ResultSet resultSet=preparedStatement.executeQuery(); while(resultSet.next()) { empEnitity=new EmpEnitity(); empEnitity.setEmpno(resultSet....
return name + " ELEM"But the type column has one record with an empty string and I get an error because of that. I know I could use an "else" statement to take care of that but I have had this issue before and would like to know how I can include that in the python script. ...