Category Archives: Programming

Android Studio – simple gradient example.

I used Android Studion 3.6.1 on Ubuntu Linux. I start an Empty Project and I change the activity_main.xml file into this:

You can see I change the Hello Word! text into GRADIENT COLORS. I add this source line of code:

I create this resource XML into res – drawable folder with click right… Read More »

Test with an button effect.

This tutorial is about how to create a button with a good effect. First, the HTML 5 source code comes with the button using the div tag:

The next step is to use a CSS format to add the font style and create these settings: button settings for after, before and hover; two rectangles… Read More »

New Colab from Google .

Collaboratory, or “Colab” for short, is a product from Google Research. Colab allows anybody to write and execute arbitrary python code through the browser and is especially well suited to machine learning, data analysis, and education. More technically, Colab is a hosted Jupyter notebook service that requires no setup to use, while providing free access… Read More »

WebExtensions API – Load an extension in Firefox browser.

You can use WebExtensions API to extend the browser’s built-in developer tools. Today I will show you how to test the web extensions-examples from GitHub.

The next steps are to run it with the Firefox browser: open Firefox browser; enter about:debugging in the URL bar; use click on the This Firefox; use click on… Read More »