Centrino Ultimate N-6300 slow to connect to Wi-Fi network

Connection to a Wi-Fi network on my Ubuntu Linux laptop started failing intermittently after it was upgraded to 19.04. It would be established only after turning off and turning on the adapter many times. Things that I tried but that did not work include: disabling IPv6; disabling power-saving on the Wi-Fi adapter; disabling Bluetooth/Wi-Fi interference […]

SO #57225262—Inputting list of passwords in a class

Stack Overflow question ‘Inputting list of passwords in a class’ is more interesting as an object-oriented design (OOD) exercise than as a debugging exercise, but it also provides an opportunity to practise some Python programming. The requirements identified in the problem are: represent a set of credentials comprised of a username and a password; represent […]