Dargslan

Dargslan

Introduction to Data Normalization and Relationships

Diagram showing data normalization concepts: tables with primary and foreign keys, elimination of redundancy across normal forms, entity relationships, and improved data integrity.

Secure Python Code: Writing Safe and Resilient Applications

Secure Web Development in JavaScript: Building Safe and Resilient Web Applications Using Modern JavaScript Practices,Protect your web apps with secure JavaScript coding and modern best practices.

Connecting Python or PowerShell to a Database

Isometric studio render: neon-green geometric serpent and deep-blue shell console linked by glowing cyan-teal fiber-optic data streams to a glossy glass database tower, rim-lit HDR

TypeScript for JavaScript Developers: A Beginner’s Guide

Secure Python Code: Writing Safe and Resilient Applications,Write secure Python code and defend against vulnerabilities in production.

Database Backup and Recovery Strategies

Database backup and recovery strategies: full, incremental, differential local, and cloud storage scheduled backups redundant copies; regular recovery testing point-in-time restore.

Working with CSV and JSON Files in Scripts

Developer working with CSV and JSON files: code editor, terminal, CSV/JSON icons, arrows showing conversion and parsing, scripts automating data processing tasks for ETL workflows.

How to Query Data Efficiently Using SQL Joins

Illustration showing SQL joins concept: tables with matching keys, INNER, LEFT, RIGHT, FULL joins, query flow, indexes and execution plan icons highlighting efficient data retrieval

SQL vs NoSQL Databases: Key Differences Explained

Image comparing SQL vs. NoSQL: SQL - fixed schema, relational tables, ACID; NoSQL - flex schemas, horizontal scaling, document/key-value/graph models, use cases, trade-offs, notes.

How to Monitor Server Resource Usage with vmstat

Learn how to monitor server resource usage with vmstat on Linux, track CPU, memory, I/O and swap. A beginner-friendly guide with commands, sample output and quick tips for DevOps newcomers.

Software Quality Metrics Every Team Should Track

Infographic listing core software quality metrics: code coverage, defect density, MTTR, CI pass rate, cyclomatic complexity, test flakiness, deployment frequency, release velocity.