Math Formulas for C.S.
Sum of the first \(n\) integers \(1 + 2 + 3 + ... + n = \) $$\sum_{k=1}^n k = \frac{1}{2}n(n+1)$$ Use cases: Finding a missing »
Python Essentials
Scopes Python has closures, similar to Javascript, since functions are first class objects. But unlike Javascript, there are some subtle gotchas in regards to working with »
Java Essentials
JVM Java is a statically typed language that is compiled into bytecode (i.e. with javac) and understood only by the JVM, or Java Virtual Machine. »
HTML and CSS Concepts
HTML Hypertext Markup Language is the standard markup language for creating web pages and web applications. It was created by Tim Berners and it represents a »
Bash Syntax, Operators and Notations
Double Dash Used to signify the end of command options, after which only positional arguments are taken. For example, you may want to create an odd »