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Long Nguyen
Website: netalith.com
Location
Ha Noi, Viet Nam
Joined
Joined on
Mar 24, 2026
Personal website
https://netalith.com
More info about @longnguyeenx
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Netalith
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35 posts published
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I Built an EAN-13 Barcode Checker (With Checksum Validation)
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Apr 6
I Built an EAN-13 Barcode Checker (With Checksum Validation)
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showdev
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algorithms
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javascript
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webdev
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1 min read
A Simple Markdown Viewer I Use for Writing Docs Faster
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Apr 6
A Simple Markdown Viewer I Use for Writing Docs Faster
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showdev
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javascript
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productivity
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tooling
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1 min read
I Built a Free Online HTML Editor with Live Preview (No Setup Required)
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Apr 6
I Built a Free Online HTML Editor with Live Preview (No Setup Required)
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1 min read
Why Identity is the New Perimeter: A Quick Guide to IAM Basics
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Apr 4
Why Identity is the New Perimeter: A Quick Guide to IAM Basics
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cybersecurity
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iam
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security
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devops
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1 min read
Cybersecurity in 2026: The Essential Primer for Tech Pros & Beginners
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Apr 4
Cybersecurity in 2026: The Essential Primer for Tech Pros & Beginners
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cybersecurity
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security
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beginners
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tutorial
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1 min read
Beyond Syntax: Understanding Semantic Analysis in Compiler Design
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Apr 3
Beyond Syntax: Understanding Semantic Analysis in Compiler Design
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computerscience
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programming
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compilers
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engineering
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2 min read
Why Clarity Beats Cleverness: A Guide to Clean Code Principles
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Apr 3
Why Clarity Beats Cleverness: A Guide to Clean Code Principles
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cleancode
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programming
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softwareengineering
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beginners
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1 min read
Microservices vs Monolith: Choosing the Right Architecture for Your Next Build
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Apr 3
Microservices vs Monolith: Choosing the Right Architecture for Your Next Build
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architecture
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microservices
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systemdesign
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softwareengineering
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2 min read
Cracking the Senior Python Interview: Internals & Memory Management
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Apr 3
Cracking the Senior Python Interview: Internals & Memory Management
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python
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interview
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career
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2 min read
Serverless & SEO: How Cloud Engineers Can Optimize for Web Crawlers
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Apr 3
Serverless & SEO: How Cloud Engineers Can Optimize for Web Crawlers
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serverless
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seo
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cloud
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architecture
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2 min read
Mastering JavaScript Data Types in 2026: Primitives vs. Reference Types
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Apr 3
Mastering JavaScript Data Types in 2026: Primitives vs. Reference Types
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javascript
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webdev
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1 min read
50 Python Interview Questions to Ace Your Technical Review in 2026 🐍
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Apr 3
50 Python Interview Questions to Ace Your Technical Review in 2026 🐍
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python
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interview
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2 min read
Stop Guessing CSS: A Quick Guide to Selectors and Pattern Matching
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Apr 2
Stop Guessing CSS: A Quick Guide to Selectors and Pattern Matching
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css
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2 min read
IPv6 Basics: A Practical Starter — Addresses, /64 Subnets & Transition Paths
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Apr 2
IPv6 Basics: A Practical Starter — Addresses, /64 Subnets & Transition Paths
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1 min read
Mastering HTML Forms: Essential Elements for Better User Inputs
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Apr 2
Mastering HTML Forms: Essential Elements for Better User Inputs
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html
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webdev
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a11y
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2 min read
How to Optimize Your Tech Blog for AI Search Engines (GEO & LLMs)
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Apr 1
How to Optimize Your Tech Blog for AI Search Engines (GEO & LLMs)
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ai
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seo
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webdev
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writing
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2 min read
Mastering Image Processing in Python: A Quick Pillow Guide
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Apr 1
Mastering Image Processing in Python: A Quick Pillow Guide
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python
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tutorial
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imageprocessing
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1 min read
Why You Should Switch to Structured Logging in Python (And Ditch Regex)
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Apr 1
Why You Should Switch to Structured Logging in Python (And Ditch Regex)
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python
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logging
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observability
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2 min read
🚀 What's Coming in ES2026? A Sneak Peek at the New JavaScript Features
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Apr 1
🚀 What's Coming in ES2026? A Sneak Peek at the New JavaScript Features
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1 min read
VLAN Basics for Network Design: Segmentation, 802.1Q, and Inter‑VLAN Routing
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Apr 1
VLAN Basics for Network Design: Segmentation, 802.1Q, and Inter‑VLAN Routing
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vlan
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networkdesign
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2 min read
Stop Guessing: Master Browser DevTools for HTML & CSS Debugging
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Apr 1
Stop Guessing: Master Browser DevTools for HTML & CSS Debugging
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css
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1 min read
How Routers Work — Routing Tables, Next Hop & Longest Prefix Match (Beginner Primer)
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Apr 1
How Routers Work — Routing Tables, Next Hop & Longest Prefix Match (Beginner Primer)
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routers
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beginners
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1 min read
Mastering CSS Variables: A Quick Guide for Modern Devs
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Apr 1
Mastering CSS Variables: A Quick Guide for Modern Devs
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css
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2 min read
DNS Explained — Practical, Step-by-Step Name Resolution & Best Practices
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Apr 1
DNS Explained — Practical, Step-by-Step Name Resolution & Best Practices
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1 min read
Mastering CSS Flexbox: Say Goodbye to Float Nightmares 🚀
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Apr 1
Mastering CSS Flexbox: Say Goodbye to Float Nightmares 🚀
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css
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1 min read
Modem vs Router vs Switch vs Access Point — Quick Home Networking Guide
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Mar 31
Modem vs Router vs Switch vs Access Point — Quick Home Networking Guide
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networking
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homenetwork
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beginners
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hardware
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1 min read
NAT Explained: SNAT vs DNAT, PAT & Why It Matters
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Mar 31
NAT Explained: SNAT vs DNAT, PAT & Why It Matters
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networking
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nat
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ipv4
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linux
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1 min read
DHCP Explained — Quick Leases, DORA, and Troubleshooting Cheatsheet
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Mar 31
DHCP Explained — Quick Leases, DORA, and Troubleshooting Cheatsheet
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dhcp
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1 min read
What is a Firewall? Practical Beginner’s Guide to Rules, Types, and Best Practices
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Mar 31
What is a Firewall? Practical Beginner’s Guide to Rules, Types, and Best Practices
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1 min read
TCP vs UDP: When to Choose Reliability or Low Latency (Quick Guide)
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Mar 31
TCP vs UDP: When to Choose Reliability or Low Latency (Quick Guide)
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networking
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tcp
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udp
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1 min read
MTU Explained: Fragmentation, PMTUD, and Practical Troubleshooting
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Mar 30
MTU Explained: Fragmentation, PMTUD, and Practical Troubleshooting
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networking
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mtu
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tcp
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devops
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2 min read
Bandwidth vs Latency vs Throughput — What Really Impacts Network Performance
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Mar 30
Bandwidth vs Latency vs Throughput — What Really Impacts Network Performance
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performance
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devops
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monitoring
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2 min read
Packet Loss & Jitter: Quick Troubleshooting to Fix VoIP, Video & Gaming
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Mar 30
Packet Loss & Jitter: Quick Troubleshooting to Fix VoIP, Video & Gaming
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networking
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performance
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2 min read
Network Troubleshooting Basics: A Compact Step-by-Step Guide for Beginners
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Mar 30
Network Troubleshooting Basics: A Compact Step-by-Step Guide for Beginners
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networking
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beginners
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1 min read
What Is a VPN? Tunnels, Encryption & When to Use One
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Mar 30
What Is a VPN? Tunnels, Encryption & When to Use One
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security
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vpn
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networking
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privacy
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1 min read
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