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15/04/2026

Comment below ⬇️

Prints 4. Pattern matching switch deconstructs type automatically. obj is String so matches case String s and s.length() returns 4. No casting needed. Type patterns replace long instanceof chains.

10/04/2026

AI isn’t coming for your job. It’s coming for your excuses.

The devs who adapt will thrive. The ones who don’t will wonder what happened.

This isn’t a prediction it’s already happening. Which side are you on?

Follow for more no-BS takes on AI and software development

07/04/2026

Build and deploy. Words from our Instructor

03/04/2026

Drop your comments below ⬇️

User waits 3.5 seconds for all steps to complete synchronously. If email service is down, the entire order fails. Use async messaging with a queue (Kafka/RabbitMQ). Save the order, publish an event, return immediately. Downstream services process independently. Decouple and fail gracefully.

Claude Code changed how I build software.It is an AI coding agent that runs in your terminal. Not a chatbot you paste co...
25/03/2026

Claude Code changed how I build software.

It is an AI coding agent that runs in your terminal. Not a chatbot you paste code into. It reads your entire codebase, understands your patterns and conventions, then writes code that actually fits your project.

Here is what it does:

It understands your codebase before writing a single line. It scans your project structure, reads your existing code, and learns how you do things. No more explaining your architecture every time.

It edits multiple files at once. Need to add a new endpoint? It creates the controller, service, repository, and test file in one go. Handles imports and cross-references automatically.

It runs commands and fixes its own mistakes. If mvn test fails, it reads the error, fixes the code, and reruns. No copy-pasting stack traces back and forth.

It remembers your preferences. CLAUDE.md files store your project rules. Memory persists across sessions. Skills and plugins extend it with custom workflows.

The power features are where it gets interesting:

Skills and plugins let you build custom slash commands, hooks that trigger on events, and MCP servers that connect to external tools.

Subagents run parallel tasks. One explores the code, another plans the architecture, another runs tests. All reporting back to the main agent.

Full Git workflow automated. It creates branches, commits with proper messages, pushes, and opens pull requests.

Headless mode runs it in CI/CD pipelines with no human in the loop. Fully autonomous.

This is not the future. This is right now.



What is your experience with AI coding agents? Are you using one daily or still on the fence?

23/03/2026

A CS degree costs you four years and tens of thousands of dollars. These websites are free and teach you what actually matters in a software engineering career.

This is not about whether degrees are worthless. Some companies still require them. But the knowledge gap between what universities teach and what the industry demands is massive. These resources close that gap.

-> LeetCode. Not for grinding 500 problems. Pick the top 75 patterns and understand why each solution works. That is enough to pass 90 percent of technical interviews at any company.
-> system-design-primer on GitHub. The single best free resource for learning distributed systems. Covers load balancing caching databases message queues and everything you need for senior level interviews.
-> roadmap.sh. Gives you a visual learning path for any engineering role. Backend frontend DevOps mobile. Stops you from wasting months learning the wrong things in the wrong order.
-> The Odin Project. A full stack curriculum that has you building real projects from day one. No hand holding. No passive video watching. You write code and deploy it.
-> freeCodeCamp. Over 10000 hours of free content covering everything from HTML to machine learning. The certifications actually mean something because the projects are substantial.
-> MDN Web Docs. The only documentation you need for HTML CSS and JavaScript. Better than any tutorial because it explains the why behind every API and feature.
-> Exercism. Practice problems in over 60 languages with mentor feedback. Unlike LeetCode this focuses on writing clean idiomatic code not just getting the right answer.
-> Neetcode. Curated problem sets organized by pattern with video explanations. If LeetCode feels overwhelming this gives you structure and a clear progression path.
-> ByteByteGo. System design concepts explained visually. The newsletter alone is worth following. Covers real world architecture decisions from companies like Netflix Uber and Stripe.

Bookmark these. Use them consistently for six months and you will know more practical engineering than most CS graduates.

Most performance problems are not in your code. They are in your SQL.10 SQL mistakes that kill your database:-> SELECT *...
23/03/2026

Most performance problems are not in your code. They are in your SQL.

10 SQL mistakes that kill your database:

-> SELECT * instead of listing columns
-> Missing indexes on filtered columns
-> N+1 queries instead of JOINs
-> No LIMIT on large table queries
-> Functions on indexed columns
-> VARCHAR UUIDs instead of integers
-> No transaction control
-> LIKE with leading wildcards
-> Never using EXPLAIN ANALYZE
-> No connection pooling

Which SQL mistake has burned you the hardest? Comment below.

Follow for more dev productivity content.

20/03/2026

Comment below

Everyone knows git add, git commit, git push. But the commands that actually save you when things go sideways are the on...
19/03/2026

Everyone knows git add, git commit, git push. But the commands that actually save you when things go sideways are the ones most developers never learn properly.

git log —oneline —graph is where you start. Before you do anything, understand what happened. The graph view shows you branch merges and divergence at a glance. Pair it with git diff —staged before every commit to know exactly what you are about to ship.

git stash is your context switch button. Working on something, need to jump to another branch? Stash it, switch, come back, pop it. No half-baked commits polluting your history.

git commit —amend and git rebase -i are your history cleanup tools. Amend fixes your last commit. Interactive rebase lets you squash five “wip” commits into one clean one before opening a PR. Your reviewers will thank you.

git cherry-pick is surgical. Need one specific fix from another branch without merging everything? Pick just that commit. It is how most teams backport hotfixes to release branches.

git reset has three modes and understanding the difference matters. Soft keeps your changes staged. Mixed unstages them. Hard erases everything. Get this wrong and you lose work — which is why git reflog exists. It records every HEAD movement for 30 days. Even after a hard reset, reflog can bring your commits back from the dead.

git bisect automates bug hunting. It binary searches through your commits, and you just tell it “good” or “bad” at each step. It finds the exact guilty commit in log2(n) steps.

git worktree is the newest addition to most people’s toolkit. Two branches, two directories, zero stashing.

18/03/2026

getOrDefault() — stop checking containsKey

Prints 99. getOrDefault() returns the value for key or the default if key is absent. Key “z” doesnt exist so 99 is returned. No more null checks or containsKey() patterns. Clean and expressive API.

17/03/2026

Got commands seniors devs use daily ⬇️

Senior developers do not just use git commit and push. They use a set of commands every day that most juniors never learn.

→ git rebase for clean history
→ git stash to shelve and restore work
→ git cherry-pick to grab one commit from another branch
→ git bisect to find the breaking commit automatically
→ git reflog to recover lost work
→ git reset to control staging with precision
→ git log —oneline for quick history scans
→ git diff —staged to review before committing

These commands are not optional. They are what make you fast, precise, and reliable. Learn them and use them daily.

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