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Cristian Sifuentes

🧠 Full-stack dev crafting scalable apps with [NET - Azure], [Angular - React], Git, SQL & extensions. Clean code, dark themes, atomic commits.

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Mastering PyTorch: Tensors, Autograd & the Power of GPU Training
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Mastering PyTorch: Tensors, Autograd & the Power of GPU Training

#pytorch #deeplearning #ai #machinelearning
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2 min read
Learn how LLMs convert language into vectors using tokenization and embeddings.
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Learn how LLMs convert language into vectors using tokenization and embeddings.

#programming #ai #llms #embeddings
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3 min read
Explore the milestones that shaped modern artificial intelligence—from early neurons and the Turing test to GPT models.
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Explore the milestones that shaped modern artificial intelligence—from early neurons and the Turing test to GPT models.

#ai #chatgpt #openai
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3 min read
How Language Models Work: From Attention to Human Feedback
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How Language Models Work: From Attention to Human Feedback

#ai #transformers #llms #nlp
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3 min read
Demystifying GPT-2: The Magic of Transformers and Attention published
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Demystifying GPT-2: The Magic of Transformers and Attention published

#ai #npl #chatgpt #transformers
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2 min read
Git Remote Ref Lock Errors: Advanced Diagnosis and Recovery
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Git Remote Ref Lock Errors: Advanced Diagnosis and Recovery

#git #github #backend #programming
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3 min read
When Git Pushes Back: Handling Unmerged Files Like a Pro
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When Git Pushes Back: Handling Unmerged Files Like a Pro

#git #github #programming #backend
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3 min read
EF Core Migrations Pitfall — Resolving Version Mismatch Between Tools and Runtime in Fluent API Projects
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EF Core Migrations Pitfall — Resolving Version Mismatch Between Tools and Runtime in Fluent API Projects

#dotnet #backend #csharp #programming
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2 min read
Fluent API Mastery with EF Core — Building Clean Architectures without Data Annotations
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Fluent API Mastery with EF Core — Building Clean Architectures without Data Annotations

#dotnet #backend #microsoft #csharp
2
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3 min read
Scaffolding Elegance: Mastering `Microsoft.EntityFrameworkCore.Design` (v9.0.5) in ASP.NET Core Web API
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Scaffolding Elegance: Mastering `Microsoft.EntityFrameworkCore.Design` (v9.0.5) in ASP.NET Core Web API

#dotnet #backend #csharp #programming
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3 min read
Real-Time Modeling with EF Core 10 InMemory — A Practical Guide to In-Memory Databases and Data Annotations
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Real-Time Modeling with EF Core 10 InMemory — A Practical Guide to In-Memory Databases and Data Annotations

#dotnet #backend #programming #csharp
1
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3 min read
Git Secrets, Push Protection, and Real-World Recovery: An Expert Walkthrough
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Git Secrets, Push Protection, and Real-World Recovery: An Expert Walkthrough

#git #backend #softwaredevelopment #programming
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3 min read
Building a Complete Azure PaaS Architecture: From Theory to CLI Automation
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Building a Complete Azure PaaS Architecture: From Theory to CLI Automation

#cloud #microsoft #azure
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3 min read
Demystifying Azure IaaS: Building Cloud Infrastructure from the Ground Up
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Demystifying Azure IaaS: Building Cloud Infrastructure from the Ground Up

#dotnet #cloud #microsoft #azure
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3 min read
Azure VM Deployment Failure: Handling the 'SkuNotAvailable' Error Like an Expert
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Azure VM Deployment Failure: Handling the 'SkuNotAvailable' Error Like an Expert

#cloud #microsoft #dotnet #azure
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2 min read
Debugging Azure Storage Account Errors: Handling StorageAccountAlreadyTaken Like a Pro
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Debugging Azure Storage Account Errors: Handling StorageAccountAlreadyTaken Like a Pro

#azure #cloud #microsoft #dotnet
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2 min read
Deploying a Full PaaS Architecture in Azure with Just a Bash Script
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Deploying a Full PaaS Architecture in Azure with Just a Bash Script

#azure #cloud #dotnet #microsoft
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2 min read
Automating Infrastructure as a Service (IaaS) in Azure with Azure CLI
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Automating Infrastructure as a Service (IaaS) in Azure with Azure CLI

#azure #cloud #dotnet #microsoft
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2 min read
From Portal to Script: Automating Azure Resource Provisioning with CLI
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From Portal to Script: Automating Azure Resource Provisioning with CLI

#azure #cloud #microsoft #dotnet
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2 min read
Automating Azure Blob Storage with Bash and Azure CLI: A Real-World Use Case
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Automating Azure Blob Storage with Bash and Azure CLI: A Real-World Use Case

#azure #cloud #microsoft #dotnet
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2 min read
Program does not contain a static 'Main' method suitable for an entry point — Entry Points in .NET 6+ and Azure Calling SDK
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Program does not contain a static 'Main' method suitable for an entry point — Entry Points in .NET 6+ and Azure Calling SDK

#dotnet #azure #csharp #backend
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3 min read
Angular 20 Is Here: Master the Latest Features Like a Pro
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Angular 20 Is Here: Master the Latest Features Like a Pro

#angular #typescript #frontend #softwareengineering
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3 min read
React Mastery: Understanding `onChange={handleChange}` vs `onChange={(e) => handleChange(e)}`
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React Mastery: Understanding `onChange={handleChange}` vs `onChange={(e) => handleChange(e)}`

#react #typescript #frontend #programming
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3 min read
Mastery: Fixing "Objects are not valid as a React child" Error
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Mastery: Fixing "Objects are not valid as a React child" Error

#react #typescript #frontend #webdev
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2 min read
useState in React: `React.useState` vs `useState` Explained Like a Pro
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useState in React: `React.useState` vs `useState` Explained Like a Pro

#react #typescript #frontend #programming
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2 min read
Mastering `useReducer` in React: A Step-by-Step Guide for Real-World State Management
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Mastering `useReducer` in React: A Step-by-Step Guide for Real-World State Management

#frontend #typescript #frontendchallenge #programming
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2 min read
Mastering JSX Fundamentals in React: From Destructuring to Promises
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Mastering JSX Fundamentals in React: From Destructuring to Promises

#react #frontend #javascript #programming
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2 min read
Mastering `useMemo` and `useCallback` in React: A Deep Dive
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Mastering `useMemo` and `useCallback` in React: A Deep Dive

#react #frontend #programming #typescript
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3 min read
Mastering `useImperativeHandle` in React: A Step-by-Step Guide for Experts
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Mastering `useImperativeHandle` in React: A Step-by-Step Guide for Experts

#react #typescript #frontend #programming
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2 min read
Mastering `useDebugValue` in React: Debug Smarter, Code Better
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Mastering `useDebugValue` in React: Debug Smarter, Code Better

#react #typescript #frontend #programming
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3 min read
React + TypeScript: Simulating a Sine Wave with useEffect and useRef
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React + TypeScript: Simulating a Sine Wave with useEffect and useRef

#react #frontend #programming #typescript
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2 min read
Mastering useRef with NodeJS.Timeout in React + TypeScript
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Mastering useRef with NodeJS.Timeout in React + TypeScript

#react #typescript #frontend #programming
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2 min read
Mastering Mouse Events in React + TypeScript: Click, Drag, Hover and Beyond
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Mastering Mouse Events in React + TypeScript: Click, Drag, Hover and Beyond

#react #frontend #typescript #programming
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2 min read
Demystifying `className` in React: HTML Attributes, TypeScript, and Styling Mastery
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Demystifying `className` in React: HTML Attributes, TypeScript, and Styling Mastery

#react #typescript #frontend #programming
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2 min read
Mastering React Advanced Hooks with TypeScript: Simulating a Dynamic Equation System
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Mastering React Advanced Hooks with TypeScript: Simulating a Dynamic Equation System

#react #typescript #hooks #frontend
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3 min read
Mastering React Hooks with TypeScript: Simulating Cellular Behavior in a Functional Component
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Mastering React Hooks with TypeScript: Simulating Cellular Behavior in a Functional Component

#react #typescript #hooks #frontend
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2 min read
React + TypeScript: Using useEffect + useRef + Custom Props to Simulate a Math Function in Real-Time
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React + TypeScript: Using useEffect + useRef + Custom Props to Simulate a Math Function in Real-Time

#react #typescript #math #frontend
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2 min read
JSX in React: Unlocking Dynamic UI with Chemistry-Inspired Components
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JSX in React: Unlocking Dynamic UI with Chemistry-Inspired Components

#react #jsx #programming #frontend
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2 min read
Understanding the "Object Literal May Only Specify Known Properties" Error in React + TypeScript
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Understanding the "Object Literal May Only Specify Known Properties" Error in React + TypeScript

#react #typescript #frontend #programming
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2 min read
Do You Still Need to Import React in `.tsx` Files?
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Do You Still Need to Import React in `.tsx` Files?

#react #typescript #frontend #programming
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2 min read
Building a React Counter with TypeScript: From useState to Mathematical Insight
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Building a React Counter with TypeScript: From useState to Mathematical Insight

#react #frontend #programming #typescript
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2 min read
GitHub Flow in Action: Particle Physics Meets Git
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GitHub Flow in Action: Particle Physics Meets Git

#git #github #cicd #physics
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3 min read
Trunk-Based Development Applied to Chemistry Simulations
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Trunk-Based Development Applied to Chemistry Simulations

#git #devops #chemistry #trunkbaseddevelopment
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3 min read
Real-World GitLab Flow with Math-Driven Development
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Real-World GitLab Flow with Math-Driven Development

#git #gitlab #devops #workflow
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3 min read
Building Git Elegance: Gitflow Workflow in Action
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Building Git Elegance: Gitflow Workflow in Action

#git #github #gitflow #branching
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3 min read
10 SQL Anti-Patterns You Must Avoid in Production
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10 SQL Anti-Patterns You Must Avoid in Production

#sql #database #performance #advancedsql
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2 min read
Working with JSON in PostgreSQL, MySQL & SQL Server
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Working with JSON in PostgreSQL, MySQL & SQL Server

#sql #database #json #datamodeling
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2 min read
Think in Sets: Writing High-Performance SQL the Declarative Way
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Think in Sets: Writing High-Performance SQL the Declarative Way

#sql #database #postgres #sqlserver
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2 min read
Transforming Rows to Columns and Back: SQL PIVOT/UNPIVOT Techniques
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Transforming Rows to Columns and Back: SQL PIVOT/UNPIVOT Techniques

#sql #database #dataengineering #analytics
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2 min read
SQL Join Dark Arts: Anti Joins, Semi Joins, and Beyond
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SQL Join Dark Arts: Anti Joins, Semi Joins, and Beyond

#sql #database
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2 min read
Querying the Past: Temporal Tables in SQL Server and PostgreSQL
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Querying the Past: Temporal Tables in SQL Server and PostgreSQL

#sql #database #sqlserver #postgres
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2 min read
Materialized Views in SQL: Supercharging Read Performance
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Materialized Views in SQL: Supercharging Read Performance

#sql #database #dataengineering #backend
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2 min read
Behind the Scenes: Reading SQL Execution Plans Like a Pro
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Behind the Scenes: Reading SQL Execution Plans Like a Pro

#sql #database #backend #indexing
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3 min read
Recursion in SQL: Unlocking Trees and Graphs with Recursive CTEs
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Recursion in SQL: Unlocking Trees and Graphs with Recursive CTEs

#sql #database #backend #dataengineering
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3 min read
Mastering SQL Window Functions: ROW_NUMBER vs RANK vs DENSE_RANK
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Mastering SQL Window Functions: ROW_NUMBER vs RANK vs DENSE_RANK

#sql #database #backend #dataengineering
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2 min read
Mastering SQL Joins: Your Definitive Guide to Relational Data Mastery
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Mastering SQL Joins: Your Definitive Guide to Relational Data Mastery

#database #sql #backend #dataengineering
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2 min read
Key Takeaways for Software Engineers on Git Internals
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Key Takeaways for Software Engineers on Git Internals

#git #github #programming #dev
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2 min read
Advanced Commands for Exploring Git Internals
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Advanced Commands for Exploring Git Internals

#git #github #development #programming
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3 min read
How Git Uses SHA-1 for Commit History
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How Git Uses SHA-1 for Commit History

#git #programming #github #development
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3 min read
Git as a Content Manager: Beyond Version Control
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Git as a Content Manager: Beyond Version Control

#git #programming #softwaredevelopment #github
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3 min read
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