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 …

Python – Pandas – Using Dictionary to remap values in Dataframe

While working with data in Pandas, we perform a vast array of operations on the data to get the data in the desired form, before, for example, creating diagrams or passing to the visualization phase. One of these operations could be that we want to remap the values of a specific column in the Dataframe. This can be done in several ways. Read More …

Considerations on Spam, Fake News and Opinion Spamming

Spam, in general, is quite common nowadays and we receive it in many forms on many modern media, like WhatsApp messages, e-mails, sometimes SMS, from social networks to which we are registered, etc.. Usually the Spam is quite easy to be identified paying a bit of attention to some aspects. 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 …

Direct Broadcast Address (DBA)

With directed broadcast, all recipients are always addressed within the target network. A combination of the number of the target network and the setting of all host bits to 1 produces the broadcast address in this case. If the destination is not located in its own (sub-) network, a router forwards the data packet. Read More …