I am writing a program that must accept input from the user. #note: Python 2.7 users should use `raw_input`, the equivalent of 3.X's `input` age = int(input("Please enter your age: ")) if age >= 1...
Just looking at: (Source: https://xkcd.com/327/) What does this SQL do: Robert'); DROP TABLE STUDENTS; -- I know both ' and -- are for comments, but doesn't the word DROP get commented as well s...
I'm trying to put together a comprehensive regex to validate phone numbers. Ideally it would handle international formats, but it must handle US formats, including the following: 1-234-567-8901 1-23...
I have a problem with a p:selectOneMenu, no matter what I do I cannot get JSF to call the setter on the JPA entity. JSF validation fails with this message: form:location: Validation Error: Value i...
Every time a user posts something containing < or > in a page in my web application, I get this exception thrown. I don't want to go into the discussion about the smartness of throwing an excep...
I'm taking user input from System.in using a java.util.Scanner. I need to validate the input for things like: It must be a non-negative number It must be an alphabetical letter ... etc What's the ...
I am creating a web page where I have an input text field in which I want to allow only numeric characters like (0,1,2,3,4,5...9) 0-9. How can I do this using jQuery?
I wasn't aware of a difference, but a coworker says there is, although he can't back it up. What's the difference if any?