Ullas Kunder

Writing / 65 entries

Code, Solutions
& Discovery.

A public digital garden — bugs, breakthroughs, and the chaos of building things on the web.

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41
Oct 1, 2025#algorithms#javascript

solve leetcode Reverse an Array

Learn how to reverse an array efficiently using brute force and optimal approaches in Python and JavaScript.

42
Oct 1, 2025#algorithms#javascript

solve leetcode find minimum and maximum in an array

Learn how to efficiently find the smallest and largest elements in an array using simple and optimal techniques in Python and JavaScript.

43
Oct 1, 2025#algorithms#javascript

solve leetcode Rotate an array to the right by k steps

Learn how to rotate an array efficiently using the reverse approach in Python and JavaScript with step-by-step explanation.

44
Sep 24, 2025#PostgreSQL#PostgreSQL Password Reset

How to Reset Your PostgreSQL Password on Windows (2025)

Learn how to reset your PostgreSQL password on Windows 10 & 11 without reinstalling. Step-by-step guide for PostgreSQL 17 users (2025).

45
Sep 23, 2025#algorithms#arrays

Two Sum – Brute Force vs Hashing

Solve the classic Two Sum problem using brute-force and optimized hashing techniques, a must-know algorithm for coding interviews.

46
Sep 23, 2025#algorithms#string

Longest Substring Without Repeating Characters – Sliding Window

Learn how to efficiently find the longest substring with unique characters using sliding window and hashmap in Python and JavaScript.

47
Sep 9, 2025#JavaScript#debounce

debouncing-in-js

How to improve performance and user experience in your web apps using JavaScript debouncing. This guide explains when, why, and how to use debounce with two interactive examples — a basic typing activity tracker and an advanced API search simulator. See how debouncing reduces unnecessary events and network requests with live demos.

48
Sep 9, 2025#Javascript#event-loop

Deep dive into Javascript heartbeat: queues, loops & Async

Learn how Javascript Event Loop, Call Stack, Microtasks, and Macrotasks collaborate to prevent blocking, manage asynchronous tasks, and power seamless interactions on modern web applications.

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