Go – about errors .

The golang come with a fair amount of functions end up returning errors like values. The golang errors functions looking like this:

You can use the errors package and that implements functions to manipulate errors. The official golang example:

You can see how is created the new custom errors using the New function:… Read More »

JavaScript – Processing.js 2D library – part 004.

The Processing.js is available for Linux, Mac OS X, and Windows and come with the last version 3.3.7 (13 March 2018). Today I tested processing.js for android. They say us about this issue: Use Processing for Android to create Android apps with ease, including live wallpapers, watch faces, and VR apps. You can run your… Read More »

Linux – ss command .

The TSocket Statistics (ss) command is similar to netstat, and it is used to display useful network socket information. The ss command syntax come with specify optional flags and filters:

Let’s see some examples with this linux command: 1. List Established Connections The default run with the ss command display a list of open… Read More »