This home page is a great creature, which Shigeru SAITO, by himself, has been writing from zero under the cooperation with NPO members. I did a lecture on November 12th, 2015 during CVIT (Cardio-Vascular Interventional Therapeutics) meeting. The title of the lecture was "I am now devoting myself to JS.". In that lecture, I showed the significance and fun for JS (= JavaScript) programming.
- Main Structure of the program of this page.
This page is written by using the main elementary technologies in Web development. They includes HTML5, CSS3, JavaScript, and SQL.
- Frameworks fascilitating programming.
Twitter Bootstrap, which are being developped by Twitter Corporation and opened for the public, is used to realize Responsive Web Design, and jQuery is used to introduce a fascinating and moving page through dynamic rewriting DOM.
- Server-side technological elements
For the web server, Apache Webserver, for the SQL engine, MySQL and, for the script engine, PHP is used. This combination is called LAMP (Linux + Apache + MySQL + PHP).
- Development environment
XAMPP is installed in MacBook Pro to simulate virtual Internet environment. All of the programs are written from zero by using Dreamweaver. Total program size is exceeding several 10 thousands steps. After passing tests using several types of browsers in this virtual Internet environments, the programs are uploaded to Web Server.
- Cost for development
More than 10 million Japanese yen will be claimed, if we ask for this kind of software. However, computer programming is my hoby, which I have been continueing for the past 40 years. This activity is most important in my life to fulfill my inteligence interests and achievement. I am downloading and using many tools or softwares, which are open to the publin in Internet. This is so called Open Source. Thus, actual cost is zero except Dreamweaver or MacBook Pro.
- Difficulties in development
I started the development of this home page around August 10th, 2016. I continued the development while doing PCI/TAVI, visiting domestic or foreign hospitals, and keeping outpatient clinic. Development has been performed frequently in the airplane. This means the development as well as my logical thinking are stopped frequently. Thsese cessations are painful for me. The most difficult programming was the part using Ajax communication. This part was difficult to overcome for myself, since debugging was so difficult. It was really happy time for me, when I finished that part successfully.
- What I have learnt during the development
I have been changing the Data Sturcutre several times during the develoment to accommodate the several requirements to data automatically. I have changed and optimized the sturucture of Relational Database. Of course its optimization is not yet perfect but acceptable. When we change the data structure, we need very careful attention. We have to transfer the data safely to new database. We have to rewrite SQL command sentences. During this modification process, I have learnt; (1) We can do everything if we see the goal. (2) The difficulty is we cannot see the goal. (3) The most important is we have to clarify the goal. (4) We have to be flexible to accommodate the requirements or modification of data structure issued from the outside environments, and so on. Theses are the principle in my life. ANyway, I could make a forward step to the most advanced technology in Web development.
