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Logistic Regression
How a classification model learns to predict probabilities instead of flat yes/no answers.
Aug 21
•
Franco Fernando
8
1
Disjoint Sets: From Linear to Almost Constant Time
Tracking which items belong to the same group looks trivial, until your inputs get big.
Aug 14
•
Franco Fernando
6
1
IP Addressing, Part III: Inside the IP Packet
What actually travels on the wire: the IPv4 header, fragmentation, and what IPv6 changed.
Aug 7
•
Franco Fernando
11
1
IP Addressing, Part II: Scaling IPv4 Across the Internet
How classful addressing gave way to CIDR, and how private addresses and NAT kept the world from running out of IPv4.
Aug 1
•
Franco Fernando
9
2
July 2026
The Anatomy of an IPv4 Address (Part I)
How an IPv4 address is built, what a subnet mask does, and how a device determines the network it belongs to.
Jul 25
•
Franco Fernando
15
3
The Perceptron
How the simplest classification model works, and why it is the building block of every neural network.
Jul 18
•
Franco Fernando
9
4
How the Operating System Runs Many Tasks on One CPU
Multitasking, context switching, and the scheduler that makes it all work.
Jul 11
•
Franco Fernando
20
2
When to repeat yourself
When duplicated code is the better tradeoff.
Jul 4
•
Franco Fernando
29
2
3
June 2026
The Training Trap: Underfitting, Overfitting, and How to Escape Them
A practical guide to the most common problems in machine learning training and the techniques to solve them.
Jun 27
•
Franco Fernando
11
1
Service Mesh vs API Gateway (Part III)
Two patterns that look similar, solve different problems, and work best together.
Jun 20
•
Franco Fernando
15
1
The Depth-First Search Pattern: Exploring Trees and Graphs
How to systematically search through all paths by going as deep as possible before backtracking
Jun 13
•
Franco Fernando
26
1
3
What a Service Mesh Gives You (Part II)
The features that make a service mesh worth the trouble.
Jun 6
•
Franco Fernando
13
2
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