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After a year, I finally converted all examples from the book Refactoring to Patterns by Joshua Kerievsky to Python. I explain some examples in this article.

January 23, 2025

by Douglas Cardoso

· 2,795 Views

Multi-Tenant Data Isolation and Row Level Security

Learn how Row Level Security (RLS) enforces data isolation in multi-tenant SaaS systems with a shared database model to improve security and reduce errors.

January 23, 2025

by Rajind Ruparathna

· 11,572 Views

Fresh Data for AI With Spring AI Function Calls

Learn to integrate AI function calls using Spring AI for APIs like OpenLibrary, with JSON and text responses, and display results in Angular Material Tree.

January 22, 2025

by Sven Loesekann

· 6,021 Views · 5 Likes

Hybrid Search Using Postgres DB

This article explains how to implement hybrid search (lexical and semantic) in a single PostgresDB using full-text-search and pgvector.

January 22, 2025

by Suraj Dharmapuram

· 7,312 Views · 6 Likes

Creating Scrolling Text With HTML, CSS, and JavaScript

Learn five methods to create scrolling text with HTML, CSS, and JavaScript, including plain HTML, CSS animations, and more, for flexible web design solutions.

January 21, 2025

by John Negoita

· 12,995 Views · 4 Likes

OPC-UA and MQTT: A Guide to Protocols, Python Implementations

Explore two essential IoT protocols: OPC-UA for secure and structured industrial device communication and MQTT, a lightweight, real-time protocol for telemetry.

January 21, 2025

by Nikhil Makhija

· 6,191 Views · 2 Likes

Create a Custom Logger to Log Response Details With Playwright Java

This tutorial teaches how to create a custom logger for login response details using the Playwright Java framework for API testing.

January 20, 2025

by Faisal Khatri

CORE

· 8,191 Views · 5 Likes

How to Edit a PowerPoint PPTX Document in Java

Learn how PowerPoint PPTX files are structured and discover popular open-source and web-API solutions for programmatically editing PPTX content in Java.

January 20, 2025

by Brian O'Neill

CORE

· 7,195 Views · 3 Likes

Optimizing Prometheus Queries With PromQL

Count worker nodes and track resource changes in Prometheus using PromQL. Explore queries, best practices, and dynamic thresholds for Kubernetes monitoring.

January 20, 2025

by Ganesh Bhat

· 9,108 Views · 4 Likes

Troubleshooting Connection Issues When Connecting to MySQL Server

Resolve MySQL connection issues with step-by-step fixes for errors like access denied, host not allowed, and authentication protocol mismatches.

January 20, 2025

by Shareef Sha

· 6,015 Views · 3 Likes

ArangoDB: Achieving Success With a Multivalue Database

ArangoDB's multimodel capabilities simplify handling key-value, document, and graph data in one database. Jakarta NoSQL enables seamless integration.

January 16, 2025

by Otavio Santana

CORE

· 4,090 Views · 1 Like

Build Your First Chrome Extension With Rust and WebAssembly

This article will help you transform your browser extension development by combining Rust's safety with WebAssembly's performance.

January 16, 2025

by Vivek Vellaiyappan Surulimuthu

· 7,138 Views · 4 Likes

Best Gantt Chart Libraries for React

This article highlights popular Gantt components that can be used to speed up the implementation of a feature-packed Gantt chart in React apps.

January 16, 2025

by Ivan Petrenko

· 11,065 Views · 1 Like

Feature Flags in .NET 8 and Azure

This article describes the importance of feature flags and how they change the way we develop applications while reducing the risk of regressions.

January 16, 2025

by Naga Santhosh Reddy Vootukuri

CORE

· 5,628 Views · 3 Likes

Efficient Long-Term Trend Analysis in Presto Using Datelists

To make long-term trend analysis easier, we can leverage datelists, where we store each metric value corresponding to a date in an array in a sequential manner.

January 15, 2025

by Ajay Krishnan Prabhakaran

· 4,372 Views

Beyond Sequential: Why Rust's Threading Model Changed How I Think About Concurrent Programming

Dive into Rust's threading model and discover how its safety guarantees transform concurrent programming from a debugging nightmare into a compile-time breeze.

January 14, 2025

by Aditya Karnam Gururaj Rao

· 4,230 Views · 4 Likes

Optimizing Java Applications for AWS Lambda

Learn how to optimize Java applications for AWS Lambda, tackle cold starts, improve concurrency, and optimize Spring Boot for serverless environments.

January 14, 2025

by Vigneshwaran Manivelmurugan

· 9,576 Views · 4 Likes

FastHTML and Heroku

Learn how to build and deploy a FastHTML app in just a few minutes. Gain knowledge of FastHTML and deploying to Heroku in this tutorial.

January 14, 2025

by Alvin Lee

CORE

· 5,670 Views

Mastering SSR and CSR in Next.js: Building High-Performance Data Visualizations

Learn the power of SSR and CSR and how to implement both using Next.js. Gain practical insights to build real-world data visualization applications.

January 13, 2025

by Anujkumarsinh Donvir

CORE

· 7,649 Views · 9 Likes

Building a Spreadsheet Application in JavaScript: A Step-by-Step Guide

How to build a JavaScript-based spreadsheet application with features like editable cells, formula evaluation, and real-time updates through a Pub/Sub model.

January 13, 2025

by Maulik Suchak

· 4,328 Views · 1 Like

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