An Overview of Machine Learning Model Training
ML training: Initialize model with random weights, forward pass makes predictions, calculate loss measuring error, backpropagation updates...
All Terms Explained in Explainers
A complete A–Z index of every Terms Explained article on When Notes Fly, part of our Explainers coverage. New to the topic? Start with the foundational explainers, then move on to case studies and applied frameworks. Returning for something specific? Use the list below to jump straight to it.
For the latest pieces newest-first, see the Terms Explained section. For related ideas across the section, see the Explainers archive. How we research and review articles: editorial standards.
Browse All Terms Explained Articles
How APIs Work: Technical Deep Dive
APIs define software communication contracts. REST APIs use endpoints like /users and HTTP methods like GET for read and POST for create operations.
How Database Indexes Improve Query Performance
Database indexes use B-tree structures maintaining sorted pointers to rows. Like book indexes, they enable fast lookups without scanning entire...
How Encryption Protects Data
Encryption transforms plaintext into ciphertext using algorithms and keys. Intercepted data is useless without the key.
How Load Balancers Distribute Traffic
Load balancers distribute incoming requests across servers using algorithms like round robin for fairness and least connections for optimal routing.
How Version Control Systems Work
Git stores snapshots as commits with complete file trees and metadata. Objects include blobs for content, trees for directories, commits for history.
The Mechanics of Search Engine Indexing and Ranking
Search engines crawl pages by following links, index content by extracting text and metadata, then rank results using algorithms and relevance...
The Process of DNS Resolution Uncovered
DNS resolution: Browser checks cache, queries recursive resolver like Google DNS, resolver checks cache, then queries root nameservers to find IP...
Understanding Container Technology and Its Benefits
Containers use Linux namespaces for isolated processes and cgroups for resource limits. Lightweight virtualization with separate filesystems and...
Understanding Database Transactions and ACID Rules
Transactions treat operations as single units—all succeed or all fail. ACID properties: Atomicity (all-or-nothing), Consistency, Isolation,...