Naveen Karasu - DEV Community

Naveen Karasu

Nov 10

Day 25/60: Caching with Redis -- Cache-Aside, Stampede, and Stale Reads

#go #redis #backend #performance

3 min read

Naveen Karasu

Nov 10

Day 25/60: Online Stock Span with a Monotonic Stack - JavaScript DSA

#javascript #dsa #algorithms #codinginterview

4 min read

Naveen Karasu

Nov 10

Daily Temperatures: a Monotonic Stack in Rust (Day 25/60)

#rust #dsa #algorithms #codinginterview

3 min read

Naveen Karasu

Nov 10

Maximum Product Subarray in Go: Why the Running Max Isn't Enough

#go #dsa #algorithms #codinginterview

3 min read

Naveen Karasu

Nov 10

Prefix Sums in C++: O(1) Range-Sum Queries (LeetCode 303)

#cpp #dsa #algorithms #codinginterview

3 min read

Naveen Karasu

Nov 10

Day 25/75: Maximum Subarray Sum With Kadane's Algorithm - Java DSA

#java #dsa #algorithms #codinginterview

4 min read

Naveen Karasu

Nov 10

Day 25/75: Product of Array Except Self - No Division, Two Sweeps - Python DSA

#python #dsa #algorithms #codinginterview

3 min read

Naveen Karasu

Nov 10

Day 25/365: Meeting Rooms II -- Counting Overlap, Not Merging It

#dsa #algorithms #interview #systemdesign

3 min read

Naveen Karasu

Nov 10

Building a Degradation Manifest: Config-Driven Graceful Degradation in Node.js

#sre #node #reliability #production

4 min read

Naveen Karasu

Nov 10

Day 25/90: It passed validate AND plan, then shipped a broken security group

#terraform #go #devsecops #testing

3 min read

Naveen Karasu

Nov 10

API Pentesting: Rate-Limit Testing and Safe Enumeration the Defensible Way

#security #api #pentesting #webdev

1

3 min read

Naveen Karasu

Nov 10

AWS Identity Center: Replace IAM Users with Federated Access

#aws #security #iam #cloud

1 min read

Naveen Karasu

Nov 10

Day 25: Service Monitoring Scripts That Cannot Lie to You

#bash #security #linux #devops

3 min read

Naveen Karasu

Nov 10

Day 25/90: The ECB Penguin in Our Own Code -- Symmetric Encryption Done Right

#python #cybersecurity #security #cryptography

4 min read

Naveen Karasu

Nov 10

Day 25/365: Wireless Networking -- Reading What Your Wi-Fi Security Actually Is

#cybersecurity #security #infosec #networking

3 min read

Naveen Karasu

Nov 10

std::map vs std::unordered_map: The Iteration Contract Nobody Reads

#cpp #programming #stl

4 min read

Naveen Karasu

Nov 10

Stop Calling .unwrap() on Your Config Loader (Rust File IO + serde JSON)

#rust #serde #json #errors

3 min read

Naveen Karasu

Nov 10

fatal error: concurrent map writes -- the Go crash recover() can't catch

#go #concurrency #mutex #webdev

1

3 min read

Naveen Karasu

Nov 10

Day 25/90: How a C# Event Leaked 720 MB (Delegates and Events, Properly)

#csharp #dotnet #softwareengineering #learncsharp

3 min read

Naveen Karasu

Nov 10

Stop Reaching for java.util.Stack: ArrayDeque for Stacks and Queues

#java #jvm #collections #learnjava

3 min read

Naveen Karasu

Nov 10

Day 25/90: Conditional Types - The API Wrapper That Returned any

#typescript #webdev #javascript #programming

3 min read

Naveen Karasu

Nov 10

Day 25/90: The fetch that "succeeded" on a 404

#javascript #webdev #node #learnjavascript

3 min read

Naveen Karasu

Nov 10

Day 25/420: Dataclasses and value objects -- value equality, hashability, and immutability for free

#python #dataclasses #beginners #softwareengineering

3 min read

Naveen Karasu

Oct 27

Day 21/60: Practice: Production-ready API - Go Backend Engineering

#go #backend #api #softwareengineering

1 min read

Naveen Karasu

Oct 27

Day 21/60: Practice: Arrays and binary search - JavaScript DSA

#javascript #dsa #algorithms #codinginterview

1 min read

Naveen Karasu

Oct 27

Day 21/60: Practice: Arrays and binary search - Rust DSA

#rust #dsa #algorithms #codinginterview

1 min read

Naveen Karasu

Oct 27

Day 21/75: Practice: Binary search problems - Go DSA

#go #dsa #algorithms #codinginterview

1 min read

Naveen Karasu

Oct 27

Day 21/75: Practice: Binary search problems - C++ DSA

#cpp #dsa #algorithms #codinginterview

1 min read

Naveen Karasu

Oct 27

Day 21/75: Practice: Binary search problems - Java DSA

#java #dsa #algorithms #codinginterview

1 min read

Naveen Karasu

Oct 27

Day 21/75: Practice: Binary search problems - Python DSA

#python #dsa #algorithms #codinginterview

1 min read

Naveen Karasu

Oct 27

Day 21/365: Weekly Contest/Review -- DSA & System Design

#dsa #practice #algorithms #interview

1 min read

Naveen Karasu

Oct 27

Load Balancer + Rate Limiter Lab: HAProxy Stick-Tables for Connection Rate Limiting

#sre #haproxy #ratelimiting #docker

1

3 min read

Naveen Karasu

Oct 27

Day 21/90: Practice: Multi-cloud deployment

#terraform #ansible #devsecops #security

3 min read

Naveen Karasu

Oct 27

Automating OWASP Top 10 Detection with Python and Burp

#security #python #webdev #tutorial

3 min read

Naveen Karasu

Oct 27

AWS Security Hardening Checklist: The Practical Version

#aws #security #cloud #devops

1 min read

Naveen Karasu

Oct 27

Day 21: Practice: System hardening toolkit

#bash #security #linux #devops

1 min read

Naveen Karasu

Oct 27

Day 21/90: Building a Python System Audit Script

#python #cybersecurity #security #tutorial

2 min read

Naveen Karasu

Oct 27

Day 21/365: Practice

#cybersecurity #security #infosec #tutorial

3 min read

Naveen Karasu

Oct 27

Day 21/90: Practice - Library management system - C++ Engineering

#cpp #softwareengineering #learncpp

1 min read

Naveen Karasu

Oct 27

Day 21/90: Practice: Generic data structures - Rust Engineering

#rust #softwareengineering #learnrust

1 min read

Naveen Karasu

Oct 27

Day 21/90: Practice — file-based todo app with JSON - Go Backend Engineering

#go #learngo #softwareengineering #godev

1 min read

Naveen Karasu

Oct 27

Day 21/90: Practice: Library management system - C# Engineering

#csharp #dotnet #softwareengineering #learncsharp

1 min read

Naveen Karasu

Oct 27

Day 21/90: Practice - Library management system - Java Engineering

#java #jvm #softwareengineering #learnjava

1 min read

Naveen Karasu

Oct 27

Day 21/90: typed event emitter - TypeScript in practice

#typescript #softwareengineering #webdev #learntypescript

1 min read

Naveen Karasu

Oct 27

Day 21/90: Practice — class-based game engine - JavaScript Engineering

#javascript #webdev #node #learnjavascript

1 min read

Naveen Karasu

Oct 27

Day 21/420: Practice: log parser - Python in production

#python #softwareengineering #backend #learnpython

1 min read

Naveen Karasu

Oct 21

Day 17/60: Testing HTTP handlers - Go Backend Engineering

#go #backend #api #softwareengineering

1 min read

Naveen Karasu

Oct 21

Day 17/60: Matrix operations - JavaScript DSA

#javascript #dsa #algorithms #codinginterview

1 min read

Naveen Karasu

Oct 21

Day 17/60: Matrix operations in Rust - Rust DSA

#rust #dsa #algorithms #codinginterview

1 min read

Naveen Karasu

Oct 21

Day 17/75: Binary search in Go - Go DSA

#go #dsa #algorithms #codinginterview

1 min read

Naveen Karasu

Oct 21

Day 17/75: Binary search with STL - C++ DSA

#cpp #dsa #algorithms #codinginterview

1 min read

Naveen Karasu

Oct 21

Day 17/75: Binary search in Java - Java DSA

#java #dsa #algorithms #codinginterview

1 min read

Naveen Karasu

Oct 21

Day 17/75: Binary search basics - Python DSA

#python #dsa #algorithms #codinginterview

1 min read

Naveen Karasu

Oct 21

Day 17/365: Sliding Window -- Variable -- DSA & System Design

#dsa #strings #algorithms #interview

1 min read

Naveen Karasu

Oct 21

Day 17/60: HAProxy Fundamentals -- Production Security Engineering

#sre #haproxy #loadbalancing #devops

2 min read

Naveen Karasu

Oct 21

Day 17/90: AWS RDS provisioning

#terraform #ansible #devsecops #security

3 min read

Naveen Karasu

Oct 21

Pentesting Authentication: Timing Attacks and Token Manipulation

#security #pentesting #authentication #webdev

1 min read

Naveen Karasu

Oct 21

AWS Secrets Manager: Rotation, IAM Scoping, and Production Gotchas

#aws #security #cloud #devops

1 min read

Naveen Karasu

Oct 21

Day 17: Network commands for security

#bash #security #linux #devops

1 min read

Naveen Karasu

Oct 21

Day 17/90: Working with Processes -- Python Security

#python #cybersecurity #security #tutorial

3 min read

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