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all_weather_portfolio

This Python Jupyter notebook explores conservative "all weather" investment portfolios

athena_logs

Java code to query and AWS Athena database of S3 web log data in ORC format.

basic_finance

This repository contains Python Jupyter notebooks for basic finance

booksearch

This is a demonstration application that can build and search a database of information about books. The application uses Spring and DynamoDB.

booksearches

A Java demonstration application that uses the Amazon Elasticsearch Service, Spring Boot and Spring MVC

cash_trigger

This is a Python notebook that explores a stock market timing strategy

cognitodemo

CognitoDemo is a Java application, constructed with the Spring framework (Spring Boot and Spring MVC). This application shows how AWS Cognito can be used for server side authentication.

cognitodemofreemarker

This is a version of the CognitoDemo application that uses FreeMarker templates.

cognitodemothymeleaf

This is the CognitoDemo application with web pages rewritten to use Thymeleaf templates, rather than the Java Server Pages used by the CognitoDemo application.

gallerybuilder

A Java application that will build static photo gallery HTML from Gallery directories

javaorc

A Java library that makes writing and reading ORC files easy

lambdaimageprocessing

A set of Amazon Lambda Web Services functions to scale images, using the Java imgscalr library

lazy_fundamental_analyst

A Python Notebook that explores the portfolios in Fred Piard's book "The Lazy Fundamental Analyst"

lrucache

A C++ generic Least Recently Used Cache

matchingengine

A multi-threaded, high performance market order matching engine.

matrix

Matrix multiply app for Workstorm

pairs_trading

s3logreader

This application Apache ORC formatted files from Amazon Web Services S3 web log files (stored on S3).

s3update

A Java application that copies/updates files in an Amazon Web Services S3 bucket with files from a local directory tree.

spring-boot-example

This repository contains a simple Spring Boot/Spring MVC example to help new Spring Boot users get started

twelve_percent

This Jupyter notebook explores an investment algorithm described in David Alan Carter's book "The 12% Solution"