LeetCode was HARD until I Learned these 15 Patterns: 1. Prefix Sum 2. Two Pointers 3. Sliding Window 4. Fast & Slow Pointers 5. LinkedList In-place Reversal 6. Monotonic Stack 7. Top ‘K’ Elements 8. Overlapping... See more

if you’re doing a PhD in a quantitative discipline you should print this out and hang it above your desk https://t.co/2CPDxiroJB https://t.co/IyBwbVllrs

free machine learning course based on math https://t.co/JsD6BWBBEQ

very nicely written. https://t.co/wA0btWACCx