---
title: "Lim Woojae (@jaylog) | Hashnode"
description: "Computer Science @UNSW. Read the latest articles by Lim Woojae on Hashnode."
url: "https://hashnode.com/@jaylog"
---

@jaylog

# Lim Woojae

@jaylog · Sydney · Joined April 2023

Computer Science @UNSW

[Website](https://itsjae.github.io/)

### [\[CS fundamentals\] Greedy - Dijkstra, Kruskal and Prim's Algorithm](https://jaylog.hashnode.dev/cs-fundamentals-greedy-dijkstra-kruskal-and-prim-s-algorithm?utm_source=hashnode&utm_medium=feed)

Think about how Google Maps finds the shortest path from your home to your favorite restaurant. Each traffic light might represent a vertex of a graph

6 min read · [jaylog.hashnode.dev](https://jaylog.hashnode.dev/cs-fundamentals-greedy-dijkstra-kruskal-and-prim-s-algorithm?utm_source=hashnode&utm_medium=feed)

[Jul 22](https://hashnode.com/posts/cs-fundamentals-greedy-dijkstra-kruskal-and-prim-s-algorithm/6a60dee33bf038f7b9a8f2af)

### [\[CS fundamentals\] Linked List Creation & Insertion explained in C.](https://jaylog.hashnode.dev/cs-fundamentals-linked-list-creation-insertion-explained-in-c?utm_source=hashnode&utm_medium=feed)

In this article, we will look at fundamentals of linked lists. Linked list is a really powerful data structure

8 min read · [jaylog.hashnode.dev](https://jaylog.hashnode.dev/cs-fundamentals-linked-list-creation-insertion-explained-in-c?utm_source=hashnode&utm_medium=feed)

[May 18](https://hashnode.com/posts/cs-fundamentals-linked-list-creation-insertion-explained-in-c/6a0ab9a53104e2aff02ab877)

### [\[CS Fundamentals\] Pointers in C](https://jaylog.hashnode.dev/cs-fundamentals-pointers-in-c?utm_source=hashnode&utm_medium=feed)

In this article, I will be talking about pointers in C. Pointers might be a bit hard concept for beginners, but they are essential to understand what

5 min read · [jaylog.hashnode.dev](https://jaylog.hashnode.dev/cs-fundamentals-pointers-in-c?utm_source=hashnode&utm_medium=feed)

[Mar 25](https://hashnode.com/posts/cs-fundamentals-pointers-in-c/69c3e7df10e664c5daa1c215)

### [\[SQL\] Writing Efficient SQL Queries](https://jaylog.hashnode.dev/sql-writing-efficient-sql-queries?utm_source=hashnode&utm_medium=feed)

Think of yourself building a program. It can be any types, such as website, app, etc. These applications may require database to show the data that the user

4 min read · [jaylog.hashnode.dev](https://jaylog.hashnode.dev/sql-writing-efficient-sql-queries?utm_source=hashnode&utm_medium=feed)

[Jun 30, 2025](https://hashnode.com/posts/sql-writing-efficient-sql-queries/6862a46f13af2cc613facaf3)

### [\[CS Fundamentals\] Binary Search](https://jaylog.hashnode.dev/cs-fundamentals-binary-search?utm_source=hashnode&utm_medium=feed)

Binary Search is a powerful algorithm to search for a certain value. If you were to find 3 in an array = \[0, 1, 2, 3, 4, 5, 6, 7, 8, 9\], how are you going t

3 min read · [jaylog.hashnode.dev](https://jaylog.hashnode.dev/cs-fundamentals-binary-search?utm_source=hashnode&utm_medium=feed)

[May 19, 2025](https://hashnode.com/posts/cs-fundamentals-binary-search/682b49006ad01e28226a90b0)