Michelle Tan

@MichelleTanPY

Software Engineer writing on tech journey. ❤️ Travelling + Food + Music + Books

DublinJoined November 2020

About

My dev journal is about what I've learnt in my career, technical stuff and anything in between.

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Available for mentoring and collaborations.

Michelle Tan's blogs

MichelleTanPY's Dev Journalmichelletanpy.hashnode.dev25 posts

Recently published

michelletanpy.hashnode.dev

What I've learnt: After resigning from Big Tech

Backstory 🧾 In late 2022, before all the ChatGPT hype, most of the tech news headlines look something like this "Mass layoffs in [Insert well-known tech company]". It can be very unsettling to see announcements like that. Perhaps on one end, it's a ...

May 30, 20239 min read

michelletanpy.hashnode.dev

Leetcode #202: Happy Number

This problem can be solved using recursion. Thought process: Base case: Check if the number is 1. -OR- If the loop has been going on for a while. Split the digits and sum it up (square of each digit) Call the loop again until the value reaches 1 or...

Sep 28, 20221 min read

michelletanpy.hashnode.dev

Leetcode #226 Invert Binary Tree

This can be solved recursively. Swap nodes and traverse left subtree then right subtree. Link: Invert Binary Tree /** * Definition for a binary tree node. * function TreeNode(val, left, right) { * this.val = (val===undefined ? 0 : val) * ...

Sep 20, 20221 min read

michelletanpy.hashnode.dev

Leetcode #104 Maximum Depth of Binary Tree

This question can be solved via recursion depth first search. Keep track of the max depth. Traverse left sub tree then traverse right sub tree - increase the depth each level. Link: Maximum Depth of Binary Tree /** * Definition for a binary tree nod...

Sep 19, 20221 min read

michelletanpy.hashnode.dev

What I've learnt: How to get unstuck

Problem solving is an essential skill for any developer/software engineer. Like any other skill, it is possible to improve by repetition. The more problem solved with increased difficulty over time, the higher probability that the same problem will o...

Aug 29, 20223 min read

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Michelle Tan

About

Available for

Michelle Tan's blogs

Recently published

What I've learnt: After resigning from Big Tech

Leetcode #202: Happy Number

Leetcode #226 Invert Binary Tree

Leetcode #104 Maximum Depth of Binary Tree

What I've learnt: How to get unstuck