Dr. Geo, be a geometer!

To content | To menu | To search

Tag - Smalltalk

Entries feed - Comments feed

Wednesday 18 July 2018

The Dynabook Concept

Dynabook concept, A Personal Computer for Children of All Ages.

A Dynabook technical drawing

Continue reading...

Tuesday 3 January 2017

Mathematics series

My son came to me with a mathematics series, he need to find its convergence. After the mathematics work is done, we want to confirm by calculus the found limit. Dr. Geo can be of some help here.

Continue reading...

Saturday 12 March 2016

Tiny, yet so beautiful

 How do you introduce an unknown, alternative programming language to other developers ? One way to do so is by showing lots of small examples. That is what we did in Elegant Pharo Code — Beautiful & Powerful One-liners, Expressions and Snippets.

Continue reading...

Friday 20 February 2015

WebWidget in question

An aspect I was curious about AidaWeb application server: how do you build reusable component? I know a bit about Seaside, but I had no clue how to achieve it with Aida. It turns out to be very easy.

Continue reading...

Thursday 19 February 2015

Ajax for the dummies

As a Smalltalk developer, I have a strong opinion when it comes to programming language. This turns to a tendency to write application with only Smalltalk code. When it comes to state-of-the-art in web application development, this habit is really a problem, and I turn myself as a complete dummy to the HTML5 interlaced technologies, particularly Ajax and Javascript. Although the benefits of such technology is perfectly understandable, it appears to me as plates of spaghetti. This is where Aida shows up and is my hero du jour.

Continue reading...

Wednesday 18 February 2015

Aida and input field validation

For a new project, I have been looking for a Smalltalk web server to design a web application. I have been previously exploring Seaside+Magritte and more recently - a couple of hours ago - I took a fresh look at Aida. And to say the true, I have been impressed by how it can be simple and yet effective to handle my problem. Let's take a look at its field validation approach.

Continue reading...