Cascading Style Sheets (CSS) is a design language for styling HTML documents. In modern websites, HTML controls the structure while CSS controls its presentation. Let's suppose that you have some HTML formatting in numerous pages across your website. Would you want to manually modify 10,000 HTML elements to implement the new formatting? Ideally, there should be one place where you can make a change that modifies that formatting everywhere you need in the website. Technical term for this concept is "modular design". This technology already exists and it is called CSS.


If you had to work with IBM products, you probably have had to work with DB2. This page will get you up and running with DB2 in 10 minutes.


The web is the most popular feature of the Internet and HTML is the backbone of the web. Everything that we see on the web is used with HTML. All fancy web technologies either generate or manipulate HTML in different ways.

jQuery quick start

Before learning jQuery, you should learn HTML, CSS, JavaScript, and learn how to debug JavaScript. You should also be familiar with JSON. Knowing XML will also be helpful.

Laravel 5


Laravel is a free and open-source PHP web framework like CodeIgniter and Zend. It is built on the Model-View-Controller (MVC) architectural pattern. It has very good documentation and training material. The community is also significant enough. I find it to be much easier than Zend and about as easy to use as CodeIgniter. Better training material and documentation makes Laravel easier for beginner than CodeIgniter.


MongoDB is document based NoSQL database. This means that:

  • it has no schema
  • it has no relations
  • it is agile and scaleable
  • stores information in nested documents of two-dimensional key/value pairs.

What are the benefits of using MongoDB?

  • you do not have to pre-define your schema or data model
  • works nicely with JavaScript
  • ideal for client-side applications

Installing MongoDB

Installing MongoDB on Mac with Homebrew


Node is an open source runtime environment for server-side applications. It allows you to run JavaScript on the server in addition to the browser. Almost all of the new and most widely used JavaScript solutions use Node in one form or another.

Installing Node.js

Download from Install with default options. To check, type the following on the terminal

PMP notes

Project Management Knowledge Areas Project management knowledge areas describe key project management competencies. There are four core knowledge areas, four facilitating knowledge areas and integration management.


PostgreSQL also called Postgres is an object-relational database management system that focuses on extensibility and standards-compliance.

Installing PostgreSQL

This quick walk-through are my notes for installing the PostgreSQL database server and the PgAdmin administration application on Ubuntu Linux, and also set up the server so it allows access to other PC's on your network.

Right for the basic installation, at the command-line, enter the following commands (or search for the listed packages in synaptic if you prefer that way of working):


Why learn python? Because it packs a powerful punch. Python is is easy to learn, user-friendly, highly extensible and overall a very powerful language. Like Java, it is fully object-oriented and it is as fast as C++. It allows scripting. I find that development in Python is more rapid than C++ or Java.

Python is free and fully supported by Linux, Windows and MacOS. There is strong community support and there are thousands of packages to extend the language.

Who is using python? Google. Need I say more?

Getting Started

To install on Linux:


Subversion (SVN) is a very popular open source versioning system. It manages files, directories, and changes made to files and directories over time by single of multiple users. If you have the time to thoroughly learn SVN, the only book you should read is available online for free. It can be found at However, if all you want to do is get started with SVN within an hour, you have come to the right place.

VI Editor

The VI editor is a screen-based editor. It is very powerful and has been around for more than a decade. Programmers are especially fond of the VI editor due to its powerful features to aid programmers. VI is often overwhelming for beginners. It takes some time to get used to VI but it is often well worth the effort. The key to mastering VI is to learn sequentially, getting used to the commands you learn at each step.

Starting the VI Editor

VI editor lets you create new files or edit existing files. The command to start is: