Este artículo resume los pasos para presentarse al exámen teórico del PER de la Dirección General de la Marina Mercante que se realiza en Madrid. Por ello, coloquialmente se conoce este exámen como “el PER de Madrid”. Cómo presentarse…
Goodreads.com is a website where books can be added and rated. It would be an iMDB for books. There is a Librarian group in Goodreads where you can find more information about being a Librarian. You can join this group…
When you install a digital certificate on Windows, it does not prompt your password. You may want to add additional security by forcing Windows to prompt password. This solution seems to work only on Chrome, while Firefox ignores it. Steps…
There are two methods to sign a PDF using FNMT’s Digital Certificate for Natural Persons: Using Autofirma application Digital sign from Adobe Acrobat Methods to sign a Digital Certificate Method 1: Using Autofirma application Follow the instructions from this video…
The Royal Mint of Spain, also known with the acronym FNMT (from the Spanish Fábrica Nacional de Moneda y Timbre) is a public institution of the state of Spain that, among other tasks, issues digital certificates for natural persons (in…
El Patrón de Embarcaciones Recreativas (PER), es un título de navegación expedido por la Dirección General de la Marina Mercante (DGMM) de España y que permite navegar embarcaciones de hasta 15 metros de eslora hasta 12 millas de la costa.…
You may need to adapt a video file to a different format or aspect ratio, for example remove the black parts on the sides of a vertical video saved originally with a 16:9 aspect ratio. Use Crop & Trim Video…
Applications seen in this post. fre.ac VLC Media Player Applications to extract audio from a video file. fre.ac Available for Windows. It can be installed directly from Microsoft Store. Add video to list. Select output file. Click on play icon…
Wireless network interface controllers (WNIC’s) can operate in different modes: Managed mode: the only packets that are received in the computer are the one directed to it. Promiscuous mode: it is a listening mode that exists for both wired and…
This post is about summarizing different ways to check if user is admin in Java Use system calls to check if user is admin A Java application can call system command through the class Runnable You can see this post…