securityAnatomy of a Phishing Attack: How to Spot Them Every Time
Phishing works through psychology, not technology — the emotional triggers, tell-tale signs in any message, and a verification routine that catches fakes.
3 min read
Tag
#tutorial
23 articles
security
programmingBig-O Complexity, Explained With Real Code
What Big-O actually measures, with concrete code through O(2ⁿ), the log(n) intuition, common misconceptions, and how to analyze your own functions fast.
4 min read
programmingChoosing the Right Data Structure: A Practical Decision Guide
Stop memorizing complexity tables — pick data structures from what your code does: lookups, ordering, uniqueness, priority, mapped to the right choice.
3 min read
interview prepThe 12-Week Coding Interview Study Plan That Actually Works
A structured 12-week roadmap to interview readiness — weekly phases, daily time budgets, spaced repetition, mocks, and the mistakes that waste months.
3 min read
devopsDocker Compose: Local Multi-Container Environments Done Right
Run your app, database, caches, and workers in one command — service definitions, networking, volumes for hot reload, and debugging patterns.
3 min read
devopsDocker Foundations: Images, Containers, and Layers Explained
What Docker actually does — images vs containers, the layer cache, the Dockerfile instructions that matter, and image-slimming that works.
3 min read
devopsKubernetes Core Concepts, Explained for Developers
Kubernetes without the buzzwords — pods, deployments, services, ingress, config, and scaling, explained through the problems each solves.
4 min read
web devNext.js App Router Data Fetching: Patterns That Actually Work
Server vs client components, fetching strategies, caching, and mutations in the App Router — the mental model plus recipes for real apps.
4 min read
securityPassword Managers Done Right: Your Single Point of Failure
Why a password manager beats every alternative — how to choose one, the setup steps people skip, and securing the master password that guards it all.
3 min read
databasesPostgreSQL Transactions and Isolation Levels, Finally Clear
ACID in practice — what transactions guarantee, the four isolation levels as real anomalies, why READ COMMITTED is default, and handling conflicts.
3 min read
web devThe React Rendering Model, Explained Once and Properly
How React decides what to re-render — components, state triggers, reconciliation, keys — and a mental model that avoids perf bugs and over-memoization.
3 min read
programmingRust Ownership and Borrowing, Explained Without the Jargon
The mental model behind Rust's ownership — moves, borrows, lifetimes — via what the compiler protects you from, with interview-ready examples.
3 min read
dataSpreadsheet Mastery: The Features Beyond the Basics
Beyond SUM and pie charts — absolute references, lookups, pivot tables, and hygiene habits that turn spreadsheets into analysis tools.
3 min read
dataSQL for Non-Developers: The 20% You'll Actually Use
Learn the small SQL subset that covers almost every real-world question — SELECT, WHERE, GROUP BY, JOIN explained through a business example anyone can follow.
3 min read
web devTypeScript Generics and Utility Types: The Practical Guide
Generics and utility types through real refactors — when <T> earns its complexity, which built-ins matter, and the patterns codebases actually use.
3 min read
blockchainWhat Actually Happens When You Send a Blockchain Transaction
From wallet signature to finality — mempools, gas, validators, and confirmations, plus why transactions fail and what fees truly pay for.
4 min read
bloggingBlog Images Done Right: Licensing, Compression, and Alt Text
Everything between 'I need an image' and a fast, legal, searchable page — licensing, compression, and alt-text that helps readers and rankings.
3 min read
securityBlog Security Basics: What Actually Matters for a Small Site
A right-sized security checklist for solo bloggers — updates, backups, credentials, least privilege, and supply-chain sanity, by actual attacker priority.
4 min read
accessibilityMaking Your Blog Accessible: The Basics That Cost Nothing
An accessibility pass any blogger can run in an hour — heading order, link text, color contrast, keyboard navigation, and why each fix also lifts SEO.
3 min read
emailWhy Your Newsletter Lands in Spam (and How to Fix It)
The deliverability mechanics most bloggers never learn — SPF/DKIM/DMARC, why engagement decides your fate, list hygiene, and a step-by-step fix.
4 min read
programmingHow to Read an Unfamiliar Codebase Without Drowning
A survival system for inherited and open-source code — run before reading, follow the data, use tests as maps, make throwaway changes, then ask.
4 min read
bloggingMarkdown for Writers: The Only Formatting Guide You'll Ever Need
Headings, bold, lists, tables, and code blocks explained in plain language — everything a blogger needs to format posts in markdown.
3 min read
bloggingA Git-Based Publishing Workflow: Markdown In, Deploy Out
How this blog works under the hood — markdown files, a GitHub-backed admin editor, and automatic deploys. No database required.
2 min read