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Long Nguyen

Website: netalith.com

Location Ha Noi, Viet Nam Joined Joined on  Personal website https://netalith.com
I Built an EAN-13 Barcode Checker (With Checksum Validation)
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I Built an EAN-13 Barcode Checker (With Checksum Validation)

#showdev #algorithms #javascript #webdev
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1 min read
A Simple Markdown Viewer I Use for Writing Docs Faster
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A Simple Markdown Viewer I Use for Writing Docs Faster

#showdev #javascript #productivity #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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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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Why Identity is the New Perimeter: A Quick Guide to IAM Basics

#cybersecurity #iam #security #devops
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1 min read
Cybersecurity in 2026: The Essential Primer for Tech Pros & Beginners
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Cybersecurity in 2026: The Essential Primer for Tech Pros & Beginners

#cybersecurity #security #beginners #tutorial
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1 min read
Beyond Syntax: Understanding Semantic Analysis in Compiler Design
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Beyond Syntax: Understanding Semantic Analysis in Compiler Design

#computerscience #programming #compilers #engineering
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2 min read
Why Clarity Beats Cleverness: A Guide to Clean Code Principles
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Why Clarity Beats Cleverness: A Guide to Clean Code Principles

#cleancode #programming #softwareengineering #beginners
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1 min read
Microservices vs Monolith: Choosing the Right Architecture for Your Next Build
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Microservices vs Monolith: Choosing the Right Architecture for Your Next Build

#architecture #microservices #systemdesign #softwareengineering
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2 min read
Cracking the Senior Python Interview: Internals & Memory Management
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Cracking the Senior Python Interview: Internals & Memory Management

#python #interview #career #programming
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2 min read
Serverless & SEO: How Cloud Engineers Can Optimize for Web Crawlers
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Serverless & SEO: How Cloud Engineers Can Optimize for Web Crawlers

#serverless #seo #cloud #architecture
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2 min read
Mastering JavaScript Data Types in 2026: Primitives vs. Reference Types
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Mastering JavaScript Data Types in 2026: Primitives vs. Reference Types

#javascript #webdev #programming #tutorial
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1 min read
50 Python Interview Questions to Ace Your Technical Review in 2026 🐍
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50 Python Interview Questions to Ace Your Technical Review in 2026 🐍

#python #interview #career #programming
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2 min read
Stop Guessing CSS: A Quick Guide to Selectors and Pattern Matching
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Stop Guessing CSS: A Quick Guide to Selectors and Pattern Matching

#css #webdev #frontend #beginners
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2 min read
IPv6 Basics: A Practical Starter — Addresses, /64 Subnets & Transition Paths
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IPv6 Basics: A Practical Starter — Addresses, /64 Subnets & Transition Paths

#ipv6 #networking #beginners #devops
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1 min read
Mastering HTML Forms: Essential Elements for Better User Inputs
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Mastering HTML Forms: Essential Elements for Better User Inputs

#html #webdev #a11y #beginners
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2 min read
How to Optimize Your Tech Blog for AI Search Engines (GEO & LLMs)
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How to Optimize Your Tech Blog for AI Search Engines (GEO & LLMs)

#ai #seo #webdev #writing
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2 min read
Mastering Image Processing in Python: A Quick Pillow Guide
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Mastering Image Processing in Python: A Quick Pillow Guide

#python #tutorial #imageprocessing #programming
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1 min read
Why You Should Switch to Structured Logging in Python (And Ditch Regex)
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Why You Should Switch to Structured Logging in Python (And Ditch Regex)

#python #logging #observability #tutorial
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2 min read
🚀 What's Coming in ES2026? A Sneak Peek at the New JavaScript Features
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🚀 What's Coming in ES2026? A Sneak Peek at the New JavaScript Features

#javascript #webdev #programming #tutorial
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1 min read
VLAN Basics for Network Design: Segmentation, 802.1Q, and Inter‑VLAN Routing
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VLAN Basics for Network Design: Segmentation, 802.1Q, and Inter‑VLAN Routing

#vlan #networking #networkdesign #sysadmin
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2 min read
Stop Guessing: Master Browser DevTools for HTML & CSS Debugging
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Stop Guessing: Master Browser DevTools for HTML & CSS Debugging

#webdev #css #html #frontend
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1 min read
How Routers Work — Routing Tables, Next Hop & Longest Prefix Match (Beginner Primer)
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How Routers Work — Routing Tables, Next Hop & Longest Prefix Match (Beginner Primer)

#networking #routers #beginners #howto
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1 min read
Mastering CSS Variables: A Quick Guide for Modern Devs
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Mastering CSS Variables: A Quick Guide for Modern Devs

#css #webdev #frontend #tutorial
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2 min read
DNS Explained — Practical, Step-by-Step Name Resolution & Best Practices
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DNS Explained — Practical, Step-by-Step Name Resolution & Best Practices

#dns #networking #devops #sysadmin
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1 min read
Mastering CSS Flexbox: Say Goodbye to Float Nightmares 🚀
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Mastering CSS Flexbox: Say Goodbye to Float Nightmares 🚀

#css #webdev #beginners #frontend
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1 min read
Modem vs Router vs Switch vs Access Point — Quick Home Networking Guide
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Modem vs Router vs Switch vs Access Point — Quick Home Networking Guide

#networking #homenetwork #beginners #hardware
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1 min read
NAT Explained: SNAT vs DNAT, PAT & Why It Matters
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NAT Explained: SNAT vs DNAT, PAT & Why It Matters

#networking #nat #ipv4 #linux
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1 min read
DHCP Explained — Quick Leases, DORA, and Troubleshooting Cheatsheet
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DHCP Explained — Quick Leases, DORA, and Troubleshooting Cheatsheet

#networking #dhcp #sysadmin #devops
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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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What is a Firewall? Practical Beginner’s Guide to Rules, Types, and Best Practices

#security #networking #devops #cloud
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1 min read
TCP vs UDP: When to Choose Reliability or Low Latency (Quick Guide)
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TCP vs UDP: When to Choose Reliability or Low Latency (Quick Guide)

#networking #tcp #udp #devops
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1 min read
MTU Explained: Fragmentation, PMTUD, and Practical Troubleshooting
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MTU Explained: Fragmentation, PMTUD, and Practical Troubleshooting

#networking #mtu #tcp #devops
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2 min read
Bandwidth vs Latency vs Throughput — What Really Impacts Network Performance
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Bandwidth vs Latency vs Throughput — What Really Impacts Network Performance

#networking #performance #devops #monitoring
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2 min read
Packet Loss & Jitter: Quick Troubleshooting to Fix VoIP, Video & Gaming
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Packet Loss & Jitter: Quick Troubleshooting to Fix VoIP, Video & Gaming

#networking #devops #performance #sysadmin
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2 min read
Network Troubleshooting Basics: A Compact Step-by-Step Guide for Beginners
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Network Troubleshooting Basics: A Compact Step-by-Step Guide for Beginners

#networking #sysadmin #devops #beginners
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1 min read
What Is a VPN? Tunnels, Encryption & When to Use One
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What Is a VPN? Tunnels, Encryption & When to Use One

#security #vpn #networking #privacy
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1 min read
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