Start PostgreSQL service brew services start postgresql Access PostgreSQL psql postgres To View existing roles postgres=# \du Create a new role named postgres with login privileges and a pass...

Poster of DevOps Understanding the Basics of DevOps In today’s fast-paced digital landscape, delivering high-quality software quickly and efficiently is critical for any organization. This is wh...

To set Theme @Composable fun BasicCodelabTheme( darkTheme: Boolean = isSystemInDarkTheme(), dynamicColor: Boolean = true, content: @Composable () -> Unit ) { val colorScheme =...

JavaScript Data Types: Primitive types: string, number, boolean, null, undefined, symbol, bigint. Non-primitive type: object (includes arrays, functions, and objects). ...

A Priority Queue is an abstract data type similar to a regular queue or stack data structure, but with an additional property: each element has a priority associated with it. In a priority queue, e...

Dynamic Programming (DP) is a powerful algorithmic technique used for solving optimization problems by breaking them down into simpler subproblems and solving each subproblem just once. The solutio...

Dependency Injection (DI) is a design pattern used in software development to achieve Inversion of Control (IoC) between classes and their dependencies. Instead of a class creating its own dependen...

Depth-First Search (DFS) is another fundamental graph traversal algorithm, which explores as far as possible along each branch before backtracking. It uses a stack data structure, either explicitly...

Big O notation is a mathematical concept used in computer science to describe the performance or complexity of an algorithm. It provides an upper bound on the time or space complexity of an algorit...

Breadth-First Search (BFS) is a fundamental graph traversal algorithm used to explore nodes and edges of a graph. It starts from a selected node (called the “source” or “root” node) and explores al...