Excel – Create and add a custom Ribbon Tab (Menu)

Adding a custom tab into a specific Office document (2007+ documents) can be very useful if we need to transport, with the document, custom VBA/macro codes. Read More …

MacOS X – Managing Gatekeeper (Terminal)

Gatekeeper is a feature available on MacOS X systems to block, by default, any application that is not installed from the Apple Store, for security reasons (all apps on Apple Store are validated and certified by the original developers). Let’s see how to manage this feature on MacOS X systems by accessing to it using command line (using Terminal). Read More …

413 Request Entity Too Large and PHP Execution Time

It can be found on standalone Apache/Nginx/IIS web server or while proxy-based solutions when Nginx acts as a front end server for Apache at back end server. In this guide, we will see how to fix this error “413 request entity is too large” in Apache as well as in Nginx, Microsoft IIS , and definitely in PHP as well. Read More …

Javascript / jQuery – Validation of file size while uploading

The following is a demonstration of client-side validation and is implemented to provide a nice user experience. In some cases, client-side validation is a much better method in comparison to the server-side method as it consumes less time. Read More …

Ubuntu – What is netplan?

Since Ubuntu 18.04 LTS has switched to Netplan for configuring network interfaces. Netplan is based on YAML based configuration system that makes configuration process very simple. Using netplan gives a central location to describe simple to complex networking configurations that function from Desktop to Server and from Cloud to IoT environments. Read More …