Cristian Sifuentes - DEV Community

Cristian Sifuentes

Sep 21

Building a Collapsible Admin Sidebar with React Router + useLocation (Pro Patterns)

#react #frontend #webdev #programming

1

3 min read

Cristian Sifuentes

Sep 19

React Router Like a Pro: A Reusable `useRouteNav` Hook + Button Click Navigation (TypeScript)

#react #typescript #webdev #frontend

4 min read

Cristian Sifuentes

Sep 18

React Router: Navigate on Button Click with createBrowserRouter (TypeScript, Pro Patterns)

#react #typescript #frontend #webdev

4 min read

Cristian Sifuentes

Sep 15

Cursor vs Windsurf vs Cline vs Claude-Code vs Kilo Code

#ai #programming #developer #ide

2

3 min read

Cristian Sifuentes

Sep 12

Mastering React Imports: Relative vs Aliases (`../` vs `@/`)

#react #typescript #frontend #architecture

2 min read

Cristian Sifuentes

Sep 11

Fixing `Connect-MicrosoftTeams` Not Recognized: A PowerShell Survival Guide (Basic Expert)

#devops #scripting #microsoft365 #backend

4 min read

Cristian Sifuentes

Sep 11

C# Object Initialization Like a Pro: From Inline Blocks to Explicit Assignments (Basic Expert)

#csharp #programming #backend #softwaredevelopment

3 min read

Cristian Sifuentes

Sep 10

git clone Like a Pro: From -b develop to Partial & Sparse Clones (Basic Expert)

#git #programming #devops #backend

4 min read

Cristian Sifuentes

Aug 22

Fixing the Lucide-React `chrome.js` Error on Windows: A Developer’s Survival Guide

#react #devops #programming #frontend

2 min read

Cristian Sifuentes

Aug 9

Tokens & Tokenization: The Science Behind LLM Costs, Quality, and Output

#ai #programming #tokenization #llm

1

3 min read

Cristian Sifuentes

Aug 9

How LLMs Transform Language into Vectors: The Power of Embeddings

#ai #llm #embeddings #programming

1

3 min read

Cristian Sifuentes

Aug 6

Fixing “Each Child in a List Should Have a Unique `key` Prop” in React 19

#react #javascript #typescript #frontend

1

2 min read

Cristian Sifuentes

Aug 5

Harnessing the `onQuery: (query: string) void` Prop — Building a Debounced, Type‑Safe SearchBar in React 19 + TypeScript

#react #typescript #webdev #frontend

3 min read

Cristian Sifuentes

Aug 3

Fixing “Uncontrolled   Controlled” Input Warnings in React 19

#react #programming #webdev #frontend

3

2 min read

Cristian Sifuentes

Aug 3

Stop the Debate: When to Use `FC<Props>` vs Inferred Arrow Functions in React + TypeScript

#react #typescript #javascript #frontend

2

3 min read

Cristian Sifuentes

Jul 31

SQL Deep‑Dive: Building a “One‑Row Interaction Dossier” – From CTEs to Satellite Counts

#sql #sqlserver #database #programming

1

4 min read

Cristian Sifuentes

Jul 29

Beyond the Spread: `structuredClone` vs `{ ...obj }` — Deep-Copy Tactics Every React + TypeScript Engineer Should Master

#react #typescript #javascript #immutability

1

3 min read

Cristian Sifuentes

Jul 29

From `const` to Fetch: 10 Modern TypeScript Patterns Every React Engineer Must Master

#react #typescript #javascript #frontend

1

4 min read

Cristian Sifuentes

Jul 23

Become a Git Branch Curator: From Simple Lists to Provenance Archaeology

#git #programming #github #versioncontrol

3 min read

Cristian Sifuentes

Jul 22

Become a SQL Scientist: Explore Every Layer of Table Metadata in SQL Server

#sql #sqlserver #database #backend

3 min read

Cristian Sifuentes

Jul 22

How to Discover Every Foreign Key That References a Table in SQL Server — Like a Data Scientist

#database #sql #sqlserver #computerscience

3 min read

Cristian Sifuentes

Jul 20

Run Large Language Models on Your Own PC: A Scientist’s Guide to CPUs, GPUs, RAM, VRAM & Quantization

#ai #gpu #ram #machinelearning

3 min read

Cristian Sifuentes

Jul 20

The Scientific Journey of AI: From Turing to GPT-4

#ai #chatgpt #machinelearning #neuralnetworks

3 min read

Cristian Sifuentes

Jul 6

Fixing “Property `Provider` does not exist on type `() => Context<…>`” in React 19 + TypeScript

#react #typescript #programming #webdev

1

3 min read

Cristian Sifuentes

Jun 29

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

#pytorch #deeplearning #ai #machinelearning

2 min read

Cristian Sifuentes

Jun 28

Learn how LLMs convert language into vectors using tokenization and embeddings.

#programming #ai #llms #embeddings

3

1

3 min read

Cristian Sifuentes

Jun 28

Explore the milestones that shaped modern artificial intelligence—from early neurons and the Turing test to GPT models.

#ai #chatgpt #openai

3 min read

Cristian Sifuentes

Jun 28

How Language Models Work: From Attention to Human Feedback

#ai #transformers #llms #nlp

3 min read

Cristian Sifuentes

Jun 28

Demystifying GPT-2: The Magic of Transformers and Attention published

#ai #npl #chatgpt #transformers

2 min read

Cristian Sifuentes

Jun 11

Git Remote Ref Lock Errors: Advanced Diagnosis and Recovery

#git #github #backend #programming

1

3 min read

Cristian Sifuentes

Jun 11

When Git Pushes Back: Handling Unmerged Files Like a Pro

#git #github #programming #backend

3 min read

Cristian Sifuentes

Jun 6

EF Core Migrations Pitfall — Resolving Version Mismatch Between Tools and Runtime in Fluent API Projects

#dotnet #backend #csharp #programming

2 min read

Cristian Sifuentes

Jun 6

Fluent API Mastery with EF Core — Building Clean Architectures without Data Annotations

#dotnet #backend #microsoft #csharp

2

3 min read

Cristian Sifuentes

Jun 6

Scaffolding Elegance: Mastering `Microsoft.EntityFrameworkCore.Design` (v9.0.5) in ASP.NET Core Web API

#dotnet #backend #csharp #programming

1

3 min read

Cristian Sifuentes

Jun 6

Real-Time Modeling with EF Core 10 InMemory — A Practical Guide to In-Memory Databases and Data Annotations

#dotnet #backend #programming #csharp

1

3 min read

Cristian Sifuentes

Jun 5

Git Secrets, Push Protection, and Real-World Recovery: An Expert Walkthrough

#git #backend #softwaredevelopment #programming

3 min read

Cristian Sifuentes

Jun 5

Building a Complete Azure PaaS Architecture: From Theory to CLI Automation

#cloud #microsoft #azure

3 min read

Cristian Sifuentes

Jun 5

Demystifying Azure IaaS: Building Cloud Infrastructure from the Ground Up

#dotnet #cloud #microsoft #azure

3 min read

Cristian Sifuentes

Jun 4

Azure VM Deployment Failure: Handling the 'SkuNotAvailable' Error Like an Expert

#cloud #microsoft #dotnet #azure

2 min read

Cristian Sifuentes

Jun 4

Debugging Azure Storage Account Errors: Handling StorageAccountAlreadyTaken Like a Pro

#azure #cloud #microsoft #dotnet

2 min read

Cristian Sifuentes

Jun 3

Deploying a Full PaaS Architecture in Azure with Just a Bash Script

#azure #cloud #dotnet #microsoft

2

2 min read

Cristian Sifuentes

Jun 3

Automating Infrastructure as a Service (IaaS) in Azure with Azure CLI

#azure #cloud #dotnet #microsoft

2

2 min read

Cristian Sifuentes

Jun 3

From Portal to Script: Automating Azure Resource Provisioning with CLI

#azure #cloud #microsoft #dotnet

1

2 min read

Cristian Sifuentes

Jun 3

Automating Azure Blob Storage with Bash and Azure CLI: A Real-World Use Case

#azure #cloud #microsoft #dotnet

2 min read

Cristian Sifuentes

May 31

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

1

3 min read

Cristian Sifuentes

May 30

Angular 20 Is Here: Master the Latest Features Like a Pro

#angular #typescript #frontend #softwareengineering

4

2

3 min read

Cristian Sifuentes

May 22

React Mastery: Understanding `onChange={handleChange}` vs `onChange={(e) => handleChange(e)}`

#react #typescript #frontend #programming

3 min read

Cristian Sifuentes

May 21

Mastery: Fixing "Objects are not valid as a React child" Error

#react #typescript #frontend #webdev

2 min read

Cristian Sifuentes

May 21

useState in React: `React.useState` vs `useState` Explained Like a Pro

#react #typescript #frontend #programming

2 min read

Cristian Sifuentes

May 21

Mastering `useReducer` in React: A Step-by-Step Guide for Real-World State Management

#frontend #typescript #frontendchallenge #programming

2 min read

Cristian Sifuentes

May 20

Mastering JSX Fundamentals in React: From Destructuring to Promises

#react #frontend #javascript #programming

1

2 min read

Cristian Sifuentes

May 20

Mastering `useMemo` and `useCallback` in React: A Deep Dive

#react #frontend #programming #typescript

2

3 min read

Cristian Sifuentes

May 19

Mastering `useImperativeHandle` in React: A Step-by-Step Guide for Experts

#react #typescript #frontend #programming

2 min read

Cristian Sifuentes

May 19

Mastering `useDebugValue` in React: Debug Smarter, Code Better

#react #typescript #frontend #programming

3 min read

Cristian Sifuentes

May 18

React + TypeScript: Simulating a Sine Wave with useEffect and useRef

#react #frontend #programming #typescript

2 min read

Cristian Sifuentes

May 18

Mastering useRef with NodeJS.Timeout in React + TypeScript

#react #typescript #frontend #programming

2 min read

Cristian Sifuentes

May 18

Mastering Mouse Events in React + TypeScript: Click, Drag, Hover and Beyond

#react #frontend #typescript #programming

1

2 min read

Cristian Sifuentes

May 18

Demystifying `className` in React: HTML Attributes, TypeScript, and Styling Mastery

#react #typescript #frontend #programming

2 min read

Cristian Sifuentes

May 16

Mastering React Advanced Hooks with TypeScript: Simulating a Dynamic Equation System

#react #typescript #hooks #frontend

1

3 min read

Cristian Sifuentes

May 16

Mastering React Hooks with TypeScript: Simulating Cellular Behavior in a Functional Component

#react #typescript #hooks #frontend

2 min read

Writing Debut