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Debug School

Debug School

rakesh kumar

Success is not final.failure is not fatal. It is courage to continue that count,but happiness is key to success

Joined on Aug 10, 2022

Nov 4

How to Deploy Using a GitHub Actions Workflow

11 min read

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Nov 3

How to Create Travel Reels That Connect: Real Needs, Family Comedy, and Natural Promotion

9 min read

Nov 1

CI vs CD: How to Find Deployment Mistakes and Automate Safer Releases

5 min read

Oct 31

Code and Production Security and Maintenance: What, Why, Where, When, Who, and How

9 min read

Oct 30

Laravel CI/CD with GitHub Actions: A Beginner’s Guide to Every YAML Line

27 min read

Oct 30

Where to Run Test Suites, Scheduled Checks, and Server Security Monitoring

4 min read

Oct 30

ML, DL, NLP, FastAPI, and MLOps Interview Preparation Roadmap

4 min read

Oct 28

Machine Learning, Deep Learning, TensorFlow, and PyTorch: History, Purpose, Uses, and Examples

14 min read

Oct 28

Weak SQL Queries That Hurt Security and Performance

36 min read

Oct 28

SQL Security and Performance: Essential Commands, Examples, Outputs

10 min read

Oct 28

SQL Concepts Every Developer Should Know: What, Why, When, Where, and How

19 min read

Oct 28

JavaScript Concepts Security Audits

26 min read

Oct 28

JavaScript Security and Performance Best Practices: Practical Code Examples and Outputs

19 min read

Oct 28

JavaScript Interview Concepts: Clear Explanations, Syntax, Examples, and Output

19 min read

Oct 28

JavaScript Concepts Every Developer Should Know: What, Why, When, Where, and How

12 min read

Oct 26

Laravel Input Validation Security Guide: Why, When and How to Limit Files, Strings and Arrays

8 min read

Oct 26

Store Uploads Privately and Prevent Execution: A Practical PHP and Laravel Security Guide

11 min read

Oct 26

Apache LimitRequestBody Explained: Secure Uploads and APIs with Request Size Limits

7 min read

Oct 26

How Websites Get Hacked: HTTP Requests, Scripts, Webshells, and Common Security Weaknesses Explained

7 min read

Oct 26

PHP-FPM Pools Explained: When to Use Them, How They Override php.ini, and How to Secure Laravel Services

8 min read

Oct 26

How to Enable PHP-FPM and Disable mod_php in LAMPP Apache: A Step-by-Step Laravel Guide

8 min read

Oct 24

Set PHP Memory, Upload and Error Limits: A Simple Laravel Security Guide

11 min read

Oct 24

Laravel PHP Security Checklist: Prevent Out-of-Memory Errors, Secure Uploads and Protect Your Server

8 min read

Oct 24

Laravel File Upload Security Checklist: 7 Layers to Prevent Memory Exhaustion

9 min read

Oct 24

PHP vs Python vs Node.js vs Rust vs Go: Security Comparison with Simple Examples

9 min read

Oct 24

Can Hackers Exploit Out-of-Memory Errors? PHP vs Python vs Node.js vs Rust vs Go

11 min read

Oct 24

Out of Memory Errors Explained: PHP vs Python vs Node.js vs Rust vs Go

13 min read

Oct 24

Memory Exhaustion, Memory Corruption, and Memory Leaks in Go: Can Hackers Exploit Them?

6 min read

Oct 24

How to Secure File Uploads and Prevent Memory Exhaustion: 7 Protection Layers Explained

10 min read

Oct 14

Server Reboot Explained: What, Why, When, and How to Restart Safely

4 min read

Oct 13

Laravel Microservices Performance Optimization: A Priority-Wise Plan to Speed Up HolidayLandmark

9 min read

Oct 12

Laravel Livewire Performance Checklist: Areas to Audit for Faster Loading and Fewer Requests

7 min read

Oct 1

Webshell Backdoors: How They Enter, What Attackers Can Do, and How to Fix Website Weak Points

7 min read

Oct 1

SMTP Password Compromise: How It Happens, Different Ways Credentials Leak, and How to Fix It.

8 min read

Sep 28

How to Recover a Hacked Website with Git: Inspect Changes and Restore Clean Files

10 min read

Sep 27

How to Restore a Changed File with git checkout

2 min read

Sep 26

How a Gambling Page Replaced My Laravel Homepage—and Why Restoring index.php Fixed It

4 min read

Sep 25

From Prompts to Production: An 8-Step Roadmap to AI Agent Architecture

5 min read

Sep 24

How to Check Whether It’s an Attack, an Out-of-Memory Crash, or a Full Disk

2 min read

Sep 24

How to Add Swap Space on a Linux Server

4 min read

Sep 24

How to Fix a Cron Email Flood

3 min read

Sep 21

Assertions in Unit, Functional, UI, and Performance Testing

4 min read

Sep 21

Unit Testing vs Functional Testing vs UI Testing: What Is the Difference

5 min read

Sep 19

How to Safely Clean Up Server Disk Space Without Deleting Important Data

5 min read

Sep 10

Why FastAPI Uses Pydantic: A Complete Guide to Request Validation with Real-World Examples

5 min read

Sep 9

How to handle Multiple Requests Concurrently using ASGI

4 min read

Sep 9

How FastAPI Handles Requests Efficiently

4 min read

Sep 9

How to prevent package version conflict using virtual environment

3 min read

Sep 8

Python Decorators and wrapper: Purpose, Syntax, and 10 Real-World Backend Examples

8 min read

Sep 7

How to Store Multi-Tenant Application Videos Securely on AWS S3 Using EC2 IAM Roles

5 min read

Sep 5

Root Domain Serving the Blog Instead of Your Laravel App

2 min read

Sep 5

Backend Engineer vs AI Backend Engineer: Skills, Tools, Roadmap, and Career Opportunities

8 min read

Aug 24

How to Convert an Existing React Native Android App to iOS Without Rewriting It

6 min read

Aug 19

LLM vs RAG vs AI Agents vs Agentic AI: Architecture, Workflow, Key Differences, Use Cases, and How They Connect

7 min read

Aug 19

LLM vs RAG: Key Differences, Architecture, Workflow, and When to Use Each

3 min read

Aug 19

How LLMs Process a Prompt: Complete Workflow from Tokenization and Embeddings to Transformer, Attention, and Next-Token Prediction

16 min read

Aug 18

Why Are Embeddings Needed in AI? From Keyword Matching to Semantic Search, RAG, and Agent Retrieval

8 min read

Aug 17

Tokens and Tokenization for Agentic AI Engineers: How LLMs Convert Text into Model-Readable Context

14 min read

Aug 17

Attention Mechanism in Transformers for Agentic AI Engineers: Self-Attention, QKV, Context and How LLMs Understand Relationships

20 min read

Aug 16

Transformer Fundamentals for Agentic AI Engineers: Architecture, Context, Encoder, Decoder, and LLM Relationship

16 min read

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