A JavaBean is just a standard. It is a regular Java class, except it follows certain conventions: All properties are private (use getters/setters) A public no-argument constructor Implements …

What is a StackOverflowError, what causes it, and how should I deal with them?

Mar 11, 2015 · I have been trying to find a good definition, and get an understanding, of what a thread really is. It seems that I must be missing something obvious, but every time I read …

Jan 13, 2014 · NoneType is the type for the None object, which is an object that indicates no value. None is the return value of functions that "don't return anything". It is also a common …

However, I got curious to what each class contained and when I try to open one of the classes in the jar file, it tells me that I need a source file. A jar file is basically a zip file containing .class …

Jan 18, 2021 · I am writing an application (Django, it so happens) and I just want an idea of what actually a "CSRF token" is and how it protects the data. Is the post data not safe if …

It used to be a required part of a package (old, pre-3.3 "regular package", not newer 3.3+ "namespace package"). Here's the documentation. Python defines two types of packages, …

Jan 13, 2010 · I've always used dictionaries. I write in Python.A dictionary is a data structure that maps keys to values. A hash table is a data structure that maps keys to values by taking the …

May 9, 2017 · To answer your two questions: every user and service does not need a keytab file keytabs use symmetric key cryptography. I'm going to explain a bit more based on my …

What does the "bus error" message mean, and how does it differ from a segmentation fault?