I Want To Learn Programming

Jul 7

Code Challenge of the Day — Minimum path sum (hard)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jul 6

Code Challenge of the Day — Valid parentheses (medium)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jul 5

Code Challenge of the Day — Most frequent word (medium)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jul 5

Why your physics sim drifts, and when RK4 is the wrong fix

#numericalmethods #rk4 #simulation #python

3 min read

I Want To Learn Programming

Jul 4

Code Challenge of the Day — Decode a Caesar cipher (medium)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jul 4

The KV cache, why LLM inference is memory-bound, not compute-bound

#gpu #llm #inference #performance

4 min read

I Want To Learn Programming

Jul 3

Code Challenge of the Day — Count words (easy)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jul 2

Code Challenge of the Day — Reverse word order (easy)

#challenge #python #programming #beginners

1

1 min read

I Want To Learn Programming

Jul 1

Code Challenge of the Day — Word break (hard)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jul 1

Expected goals (xG) from scratch, and why the scoreboard lies

#datascience #machinelearning #logisticregression #python

4 min read

I Want To Learn Programming

Jun 30

Code Challenge of the Day — Fewest perfect squares (hard)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jun 30

k-means from scratch, and why it sometimes lies

#machinelearning #clustering #r #kmeans

2

3 min read

I Want To Learn Programming

Jun 29

Code Challenge of the Day — First occurrence (leftmost) (medium)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jun 29

Build your own search engine, inverted index and TF-IDF

#search #nlp #tfidf #python

3 min read

I Want To Learn Programming

Jun 28

Code Challenge of the Day — Palindrome, ignoring case and noise (medium)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jun 28

Simpson's paradox, and a detector for it in 20 lines

#simpsonsparadox #statistics #confounding #python

4 min read

I Want To Learn Programming

Jun 27

Code Challenge of the Day — Count two-sum pairs (medium)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jun 27

Rust's rewrite wave, why C is being replaced in the places that matter

#rust #systems #memorysafety #c

4 min read

I Want To Learn Programming

Jun 26

Code Challenge of the Day — Clamp a value (easy)

#challenge #python #programming #beginners

1

1 min read

I Want To Learn Programming

Jun 26

Gradient descent, explained by rolling downhill

#ai #optimization #machinelearning #python

3 min read

I Want To Learn Programming

Jun 25

Code Challenge of the Day — Letter grade (easy)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jun 25

Build your own shell, and learn how every program gets started

#c #shell #operatingsystems #unix

3 min read

I Want To Learn Programming

Jun 24

Code Challenge of the Day — Decode ways (hard)

#challenge #python #programming #beginners

1

1 min read

I Want To Learn Programming

Jun 24

Build your own bytecode VM, and see how languages really run

#compilers #bytecode #vm #python

3 min read

I Want To Learn Programming

Jun 23

Code Challenge of the Day — Phone letter combinations (hard)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jun 23

How a map works, Mercator, tiles, and your GPS pin

#geospatial #maps #python #mercator

4 min read

I Want To Learn Programming

Jun 22

Code Challenge of the Day: Find the unique number (medium)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jun 22

Race conditions, explained by causing one

#java #concurrency #threads #programming

3 min read

I Want To Learn Programming

Jun 21

Code Challenge of the Day: Count set bits (medium)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jun 21

A Hopfield network from scratch, and why the textbook rule fails

#hopfield #associativememory #numpy #neuralnetworks

6 min read

I Want To Learn Programming

Jun 20

Code Challenge of the Day: Missing number 0..n (medium)

#challenge #python #programming #beginners

1 min read

I Want To Learn Programming

Jun 19

Code Challenge of the Day: Leap year (easy)

#challenge #python #programming #beginners

2

1 min read

I Want To Learn Programming

Jun 19

Build your own git from scratch, and watch its hashes match the real thing

#git #versioncontrol #python #hashing

1

8 min read

I Want To Learn Programming

Jun 18

Build your own Redis from scratch, and talk to it with the real redis-cli

#redis #networking #sockets #python

5 min read

I Want To Learn Programming

Jun 18

AI, ML, DL, GenAI, LLMs, RAG, and Agentic AI, explained

#ai #machinelearning #llms #explainer

2

1

4 min read

I Want To Learn Programming

Jun 17

What Monte Carlo simulation is, across finance, physics, and engineering

#montecarlo #simulation #crosstrack

2 min read

I Want To Learn Programming

Jun 17

Quantum computing basics in Python, without the hype

#quantum #physics #python

2 min read

I Want To Learn Programming

Jun 16

Learn chemistry with Python, from stoichiometry to molecular simulation

#chemistry #python #science

1

2 min read

I Want To Learn Programming

Jun 16

Fortran is still alive in aerospace and HPC. Here is why.

#fortran #hpc #aerospace

2 min read

I Want To Learn Programming

Jun 15

The rocket equation explained by coding it

#aerospace #rocketry #python

2 min read

I Want To Learn Programming

Jun 15

PID control explained with a line-following robot

#pid #control #robotics

2 min read

I Want To Learn Programming

Jun 14

What embeddings are, explained by building one

#embeddings #ai #nlp

2 min read

I Want To Learn Programming

Jun 14

SQL injection explained safely with a toy login

#sqlinjection #security #web

2 min read

I Want To Learn Programming

Jun 13

Orbital mechanics with Python, from circular orbits to Hohmann transfers

#aerospace #orbitalmechanics #python

2 min read

I Want To Learn Programming

Jun 13

Data science portfolio projects that are not toy notebooks

#datascience #portfolio #projects

2 min read

I Want To Learn Programming

Jun 12

The Python projects that actually teach you to code

#python #projects #beginners

2 min read

I Want To Learn Programming

Jun 12

Cybersecurity with Python, what beginners should actually build

#cybersecurity #python #beginners

3

2

2 min read

I Want To Learn Programming

Jun 11

Learn robotics programming by simulating a robot first

#robotics #simulation #cpp

2 min read

I Want To Learn Programming

Jun 11

Backpropagation explained by coding it

#backpropagation #deeplearning #ai

2 min read

I Want To Learn Programming

Jun 10

Code Challenge of the Day: Product of array except self (hard)

#challenge #python #programming #beginners

2

1 min read

I Want To Learn Programming

Jun 10

SQL for data analysis, the 10 query patterns that matter

#sql #dataanalysis #patterns

2 min read

I Want To Learn Programming

Jun 10

Machine learning from scratch, what to build before using scikit-learn

#machinelearning #ai #fromscratch

1

2 min read

I Want To Learn Programming

Jun 10

"IWTLP is live: learn to code by building, graded for real"

#programming #beginners #learning #devtools

3 min read

I Want To Learn Programming

Jun 9

Code Challenge of the Day: Minimal length subarray >= target (hard)

#challenge #python #programming #beginners

1

1 min read

I Want To Learn Programming

Jun 9

Learn quantitative finance with Python from scratch

#finance #python #quant

2 min read

I Want To Learn Programming

Jun 9

Learn CUDA and GPU programming without owning a GPU

#cuda #gpu #parallel

2 min read

I Want To Learn Programming

Jun 9

How to actually learn data structures and algorithms

#dsa #learning #interview

2 min read

I Want To Learn Programming

Jun 9

The coding interview patterns, explained by building them

#interview #dsa #patterns

3 min read

I Want To Learn Programming

Jun 9

How to learn Python in 2026 when AI can write code

#python #beginners #ai

2 min read

I Want To Learn Programming

Jun 9

Why project-based learning beats watching tutorials

#learning #projects #beginners

2 min read

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