Home / Articles / Rajat Chauhan
RC

Rajat Chauhan

@rajatcash2107Editor
17 articles edited

Edited by Rajat Chauhan

Articles Rajat Chauhan reviewed and published, under the writer's or desk's byline. How editing works here.

Security
Security

AI-Powered Phishing Attacks: Cybersecurity Awareness and Online Safety

Learn how AI-powered phishing attacks work, recognize common cyber threats, avoid online scams, and protect your personal data with practical cybersecurity.

DevOps & Infrastructure
DevOps & Infrastructure

Troubleshooting OpenShift Deployments: A Practical Guide for Beginners

Learn OpenShift deployment troubleshooting, Kubernetes resources, logs, networking, and cluster administration with practical commands & beginner-friendly guide

Security
Security

A Practical Guide to Building a Secure IT Environment: Essential Steps for Beginners

Learn how to secure IT systems with strong passwords, software updates, network security, reliable backups, cybersecurity awareness & more

Data & Databases
Data & Databases

What Is DBMS? Full Form, Types, Keys and Functions, Tested

What is DBMS? The full form, types, keys and the 5 functions, each shown on a real database: one million rows, index vs no index, and a crash mid-transfer.

Everyday Tech
Everyday Tech

TeckJB.com: Is It Legit? Real Blog, No App, 2 Lookalikes

Is teckjb.com legit? Yes: a small Chennai blog with 425 app and AI-prompt posts. There is no TeckJB app, the APK is fake, and teckjb.pro and .org are copies.

Everyday Tech
Everyday Tech

Lapzoo.com: Is It Legit? $13 Guest Posts, 31% Gambling

Is lapzoo.com legit? Our review counted its 2,754 posts (31% gambling, 0.4% programming), priced its $13 do-follow guest posts and traced its searches.

DevOps & Infrastructure
DevOps & Infrastructure

What Is an Operating System (OS)? Functions, Types, Examples

What is an operating system? The definition, its functions (processes, memory, files, devices), the types and examples, and the OS at work on a real machine.

Data & Databases
Data & Databases

What Is a Data Structure? Types, Examples and Real Timings

What is a data structure? The definition, the main types from arrays to graphs, what each is for, and the same job timed on two structures.

Everyday Tech
Everyday Tech

Techsslaash.com Review 2026: Pushing Limits, or $6 a Post?

Is techsslaash.com legit? We counted its 8,426 posts (20% gambling, 0.7% programming), followed its Submit button to a Gmail address, and found $6 placements.

Languages & Tooling
Languages & Tooling

Best Coding Fonts 2026: 16 Free Fonts Tested Side by Side

The best coding fonts in 2026, measured: 16 free programming fonts compared on ligatures, characters per line, readability and licence, plus VS Code setup.

Everyday Tech
Everyday Tech

Instagram Post Size 2026: All Sizes in Pixels, Ratio, Inches

Instagram post size in 2026: 1080 x 1350 px (4:5) or 1080 x 1440 px (3:4). Every size in pixels, ratio and inches, checked on Instagram's own pages.

Languages & Tooling
Languages & Tooling

Regex Cheat Sheet: Examples Tested in JavaScript, Python, Go

A regex cheat sheet with every symbol, flag and 17 copy-paste patterns, each run in JavaScript, Python, Java, PCRE2 and Go, with where they disagree.

Everyday Tech
Everyday Tech

Excel Drop-Down List: How to Create One (Windows, Mac, Web)

How to create an Excel drop-down list in two minutes on Windows, Mac or the free web app, make it update itself, add a dependent list, and remove it.

Everyday Tech
Everyday Tech

Google Docs Dark Mode on PC and Phone: What Actually Works

Google Docs dark mode is built into the phone apps only. On a computer, most fixes darken the menus but not the page. What works, tested on a real doc.

Everyday Tech
Everyday Tech

How to Hide Followers on Instagram (and Your Following List)

How to hide followers on Instagram: there's no hide button, and going private hides less than you'd think. What works, what doesn't, and what stays public.

Backend
Backend

What Is an API? A Simple Explanation With Real Examples

What is an API? A plain explanation of how APIs work, with real requests to GitHub and a weather API, status codes, API keys and the main types.

Languages & Tooling
Languages & Tooling

Cursor vs Claude Code (2026): Which One Should You Use?

Cursor vs Claude Code compared: how each works, what a month really costs, privacy, and how to run Claude Code inside Cursor. Checked September 2026.