Redis Streams gives you an append-only event log inside Redis. You can add events with XADD, inspect them with XREAD, then use a consumer group when each event should go to one worker and stay pending until that worker acknowledges…
Mastering RethinkDB is a Packt title by Shahid Shaikh for developers who want a deeper treatment of RethinkDB than a quick setup walkthrough provides. Use this page to decide whether its focus matches your work, then verify active implementation details…
Java Database Connectivity (JDBC) gives a Java program a standard API for opening a MySQL connection, sending SQL, and reading rows. The work starts with a compatible MySQL driver, a complete JDBC URL, and an account that can reach only…
How to Migrate SQL Server to Azure SQL Database A SQL Server to Azure SQL migration starts with a choice that affects every later step. You need to know whether an offline BACPAC move fits your downtime window or whether…
Homebrew gives you the shortest path to a local MySQL server on macOS, but an install command alone does not prove that the server is running or that the client can connect. I checked the Homebrew mysql formula and built…
Deno can use the mysql2 driver through its npm compatibility layer, so a Deno app can open a MySQL connection without reviving an older URL import. The working path is small: give the app a limited database account, read its…
Build a Deno API server with MySQL by keeping HTTP handling separate from database work. The handler below rejects an empty name, creates a user, and lists users, while MySQL2 owns parameterized SQL. Install Deno and prepare MySQL Install Deno…
RethinkDB is a JSON document database with a query API and changefeeds, so your program can receive a matching row change instead of repeatedly asking whether data changed. You can start with one local server, one Node.js connection, and a…
Sending Ethereum from a Node.js program comes down to four things: two addresses, some test ETH, a connection to an Ethereum node, and a signed transaction. This tutorial walks through each one on the Sepolia test network using ethers, the…
Connecting to the Ethereum network is the first step of any blockchain project in Node.js. Your code never talks to the chain directly. It talks to an Ethereum node over JSON-RPC, and Web3.js is the library that handles that conversation…
