Estadística con R

El sábado, 22 de Febrero de 2014, Galpon organizó un taller sobre «Estadística con R» que se desarrollará en dos sesiones. La primera sesión la impartió Miguel Blanco, investigador del departamento de Ecología y Biología animal de la Universidad de Vigo. Con Miguel aprendimos a instalar R y RStudio (en mi caso sobre Ubuntu) y …

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Charla «Identidad Digital y Redes Sociales»

El viernes, 14 de Febrero de 2014 nos reunimos una veintena de profesores y educadores en el salón de actos del CFR de Vigo para asistir a la charla «Identidad Digital y Redes Sociales«. La charla tuvo dos partes:  Alfredo Álvarez (@noveleirez), profesor de instituto en el IES de Salvaterra do Miño, comenzó abordando la …

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Hacking Mahara to display last updates in pages

Tomorrow night will be the due date for my students to submit a Lab Report created in Mahara. I told them that I was not going to accept reports modified after the due date but I hadn’t realized that Mahara pages don’t show last update information so I had to hack the code to get …

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Mahara: troubleshooting a nonrecoverable error when migrating and upgrading to another server

Some days ago we moved our Mahara 1.7.2  database (MySQL)  to a new machine to separte both web and database servers. Some days later we performed and upgrade to 1.8.1 and, after sorting out some issues related to collation, everything seemed to run as it was expected but, as I tried to clean my inbox …

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Mahara: How to solve collation issue when upgrading

Today I upgraded our Mahara site from version 1.7.2 to 1.8.1 (current version). What it was expected to be an easy procedure turned out to a trouble due to a database (MySQL) collation issue. Below are the details: After doing all backups as it’s required I downloaded and unzip the new version to perform the …

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Halloween Moodle Panic: Cache Crisis

The last three weeks of October were frightful  due to a series of incidents affecting the Moodle server of my School. Randomly server crashes and a set of strange behaviours using Moodle led me, as admin, to a stressing weeks. That’s way I’m goin to collect all the incidents and write a post called Moodle …

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