All posts by David Tran

What is Rate of Return (RoR)? How to calculate RoR

A rate of return (RoR) is the net gain or loss of an investment over a specified time period, expressed as a percentage of the investment’s initial cost.

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What is stock / investment Beta (β) coefficient? How to calculate Beta

Beta (β), meaning in stocks and investment, also known as risk coefficent, is a measure of a stock’s volatility in relation to the overall market and can be used to measure a stock’s level of risk in the stock market.

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How to Setup Odoo Development Environment on Ubuntu 22.04 Jammy JellyFish

In this tutorial, I will go through how to set up the Odoo development environment on Ubuntu 22.04 with Eclipse as the IDE. This tutorial is valid for all Odoo versions from 8.0 to 16.0 and is effective for a fresh Ubuntu 22.04 Desktop with no pre-installed tools e.g. JDK, Python, or Eclipse. You may skip to the next step if you have already installed any of the above-mentioned tools.

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Install Latest Eclipse with Pydev on Ubuntu 22.04 for Python Development

Eclipse with PyDev plugged is one of the most favorite IDEs for Python developers as it is simple to setup and has a lot of cool features for all kinds of development (including web and javascript application).

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Install Odoo 8 from source on Ubuntu Server 22.04 Jammy

Odoo 8 was released in September 2014 and reached its end of life on October 5, 2017 (when Odoo 9 was released). It requires out-dated Python 2.7 which is not available on Ubuntu 22.04. However, there are still some reasons for us to install Odoo 8 on Ubuntu 22.04:

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How To Install Multiple Versions of PostgreSQL on Ubuntu 22.04 [QUICK]

PostgreSQL, or Postgres, is a relational database management system that provides an implementation of the SQL querying language. It’s standards-compliant and has many advanced features like reliable transactions and concurrency without read locks.

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