- Computer Science fundamentals
- Data Science/Machine Learning
- Software Engineering

System Design: Nearby Friends: Alex XU
50:42
System Design: Nearby Friends: Alex XU
Data Structures and Algorithms: Monotonic Array : 896
12:26
Data Structures and Algorithms: Monotonic Array : 896
Data Structures and Algorithms: Number of Good Pairs
10:47
Data Structures and Algorithms: Number of Good Pairs
Leedcode: Remove Colored Pieces if Both Neighbors are the Same Color
11:06
Leedcode: Remove Colored Pieces if Both Neighbors are the Same Color
Sort Array By Parity: Leedcode 905
6:56
Sort Array By Parity: Leedcode 905
Data Structures and Algorithms:Leedcode:215
18:55
Data Structures and Algorithms:Leedcode:215
Design Google Drive: System Design
59:07
Design Google Drive: System Design
Data Structures and Algorithms: 561: Array Partition
8:50
Data Structures and Algorithms: 561: Array Partition
Query Auto Completion System Design: LinkedIn
29:44
Query Auto Completion System Design: LinkedIn
Trie Data Structure: Auto-Complete
20:00
Trie Data Structure: Auto-Complete
Design AutoComplete System: System Design
56:35
Design AutoComplete System: System Design
Data Structures and Algorithms: 512 Longest Palindromic Subsequences
19:02
Data Structures and Algorithms: 512 Longest Palindromic Subsequences
Data Structures and Algorithms: 5 Longest Palindromic Substring
21:42
Data Structures and Algorithms: 5 Longest Palindromic Substring
System Design Basic Building Blocks
37:36
System Design Basic Building Blocks
Data Structures and Algorithms: 202. Happy Number:
12:24
Data Structures and Algorithms: 202. Happy Number:
AI App with 90% accuracy can predict crime in South Africa
56:12
AI App with 90% accuracy can predict crime in South Africa
An AI Receptionist with face recognition
15:08
An AI Receptionist with face recognition
Data Engineering Project (Mobile App to compare Prices between Retailers).
1:10:27
Data Engineering Project (Mobile App to compare Prices between Retailers).
Eskom Machine Learning Project: Demand Forecasting
1:00:04
Eskom Machine Learning Project: Demand Forecasting
Combination Sum Problems on Leet Code: Backtracking Explained
57:49
Combination Sum Problems on Leet Code: Backtracking Explained
SQL PROBLEM: Calculate the Percentage of Accounts Closed on January 1st, 2020
15:35
SQL PROBLEM: Calculate the Percentage of Accounts Closed on January 1st, 2020
Append Frequency: A Python Solution
14:57
Append Frequency: A Python Solution
Filling Supermarket Bag: A Python Solution for the Knapsack Problem
19:58
Filling Supermarket Bag: A Python Solution for the Knapsack Problem
Removing Duplicates from Sorted Array in Place
9:08
Removing Duplicates from Sorted Array in Place
Solving Combination Sum IV Problem on LeetCode: Dynamic Programming Explained
13:28
Solving Combination Sum IV Problem on LeetCode: Dynamic Programming Explained
Machine Learning: Intersecting Lines: A Python Solution
10:50
Machine Learning: Intersecting Lines: A Python Solution
Find the Lowest Common Ancestor of Deepest Leaves in Binary Tree
15:08
Find the Lowest Common Ancestor of Deepest Leaves in Binary Tree
Target Indices: A Python Solution
7:48
Target Indices: A Python Solution
Maximum Subarray: A Python Solution
15:43
Maximum Subarray: A Python Solution
Why Data Scientists should avoid Python loops and use vectors instead - Pandas and NumPy
9:43
Why Data Scientists should avoid Python loops and use vectors instead - Pandas and NumPy