CRUD

Building a Simple CRUD App in VB.NET

A step-by-step walkthrough of building a Create-Read-Update-Delete application in VB.NET using ADO.NET and a repository pattern.

Elasticsearch Quick Reference

A condensed cheat sheet of core Elasticsearch REST API endpoints, Query DSL patterns, and cluster commands for daily use.

The Elasticsearch REST API

How to interact with Elasticsearch over HTTP: indexing, retrieving, searching, and managing documents and indices via the REST API.

MongoDB Quick Reference

A fast lookup guide to the most commonly used MongoDB shell commands, operators, and CRUD syntax for day-to-day development.

CRUD Operations in Express

Build complete Create, Read, Update, and Delete route handlers in Express using a database model.

What is the Active Record Pattern?

Active Record is a design pattern where an object wraps a row of a database table (or view), encapsulating both the data and the persistence logic (save, delet…