Naive Bayes — Problem Set with Answers
20 problems covering probability, Naive Bayes, Gaussian NB, MSE, evaluation metrics, and the bridge to logistic regression. Work each one before reading the answer.
Rahul Chandna
Naive Bayes, From the Ground Up
A study guide built from first principles — probability, conditional probability, Multinomial NB, Gaussian NB, linear regression, and evaluation metrics.
Building and Documenting a REST API with Jersey and Swagger
Setting up a JAX-RS REST API using Jersey, documenting it with Swagger, and the configuration that trips people up.
Oracle SQL Patterns for Financial Data
SQL patterns that come up repeatedly when working with financial data in Oracle — date handling, reconciliation queries, and aggregations that don't lie to you.
JMeter for Load Testing Java APIs
Setting up JMeter to load test a Java REST API — the tests I actually run and what I look for in the results.
Maven Profiles — Compiling for WildFly and JBoss from the Same Codebase
How to use Maven profiles to build the same application for WildFly 17 in non-production and JBoss 4.1 in production.
Maven settings.xml — The File Everyone Edits Once and Then Forgets
What actually goes in Maven settings.xml, and how to use profiles to manage different environments without hardcoding anything.
Multicurrency Payments — What I Learned the Hard Way
Lessons from building and maintaining multicurrency payment systems in financial services.
Apache as a Reverse Proxy with Kerberos Authentication
Configuring Apache httpd as a reverse proxy with Kerberos (SPNEGO) SSO and IP whitelisting in front of a Java application.
Upgrading a Java 6 Codebase to JDK 11
Lessons from moving a 20+ year old Java codebase from JDK 6 to JDK 11 without production noticing.