In “gnome-terminal” profile, there is an option “Run command as a login shell”. You can enable/disable it. But what is the difference?
When running “pip uninstall ppp” to remove a Python pip package, unlike “apt-get remove uuu”, it seems it removes the package only without its useless depending packages, which will leave unused files there. How to improve it?
Every Java programmer knows the short answer(and the easiest one) is to create a class with multiple properties each of which is one value that you want to return in the method, and then you return an instance of this class from the method. But in many cases the returned values is just used one time, in such scenarios creating a class is too heavy and unnecessary. In Python, it’s very elegant to return a tuple in such scenarios. But in Java, what is the most elegant way to do it?
A table in MySQL database which saves the “user_count/shop_user_count” for specific place(“mall_id/floor_id”) and time(“dt”). The table structure is listed below.
Today after running “sudo apt-get update & sudo apt-get dist-upgrade”, the “ca-certificates” package is updated with the following output.
From here. The key is:
get the PID by using the “cut” command on the output of the “jps/ps” command and send the PID to the “kill” command.