> Articles by: Eugen Mihailescu
If you have a system with two or more displays/monitors and are using a Linux XFce desktop environment then there are at least three methods for dual monitor setup in Xfce: Use the built-in Xfce Settings -> Display configuration utility.…
It's been a while since my last post on this blog due to an overloaded working schedule. However, now I found a good reason to write a new one and to share my experience with the world. Recently I've built…
While testing a Symfony web application in production environment (--env=prod) I encountered an odd exception which more or less was triggered with each request: Uncaught PHP Exception Symfony\Component\Debug\Exception\FatalErrorException: Compile Error: require(): Failed opening required 'var/cache/prod/doctrine/orm/Proxies/__CG__some-file.php' (include_path='.:/usr/share/php7:/usr/share/php') at vendor/doctrine/common/lib/Doctrine/Common/Proxy/AbstractProxyFactory.php line 223…
While testing a Symfony web application on the production environment (--env=prod) I encountered an odd situation which basically redirected me to the authentication route (/login) after each request. Here is how it goes: you pass the security authentication login which…
One programming language that plays an important role especially in some Linux distro is Perl. In case of Gentoo, which is a source code base distro, dev-lang/perl is even more important than just another programming language. It is the language…
What is a capacitor A capacitor is an passive device that stores electrical energy in an electrical field. In layman terms it is a reservoir for energy the same way a rechargeable battery is, although it has many other properties…
What is an electret microphone One of the most common microphone component that is used in the today's devices (eg. smartphone) is the electret microphone. The electret capsule contains, among other little details, an electret diaphragm and a JFET transistor…
I have a Nissan and these days the Check Engine Light just came on. It was just Tuesday, you know. So, if you are in the same situation then normally you would have two choices: get your car to a…
Background I have few old power transformers laying around and right now I need one for a project I am working at. The only problem is that they were not labeled properly (or at all) by the manufacturer so I…
Background While building a portable FM receiver I have just noticed that there are no Eagle library for the Arduino Pro Mini devices. Or at least I wasn't able to find one when I searched for. Since creating a new…