An npm script is just a shortcut to run a series of node commands on your project. Any npm script, meaning any node.js commands listed under a package.json file’s “scripts” section, are executed through node.js when you call them. So npm start runs the node script that is listed under start in the package.json. As in the article that … Read more
It’s a(n insecure) remote shell introduced by the target. That’s the opposite of a “normal” remote shell, that is introduced by the source. Let’s try it with localhost instead of 10.0.0.1: Open two tabs in your terminal. open TCP port 8080 and wait for a connection:nc localhost -lp 8080 Open an interactive shell, and redirect the IO streams … Read more
There are multiple ways: String.valueOf(number) (my preference) “” + number (I don’t know how the compiler handles it, perhaps it is as efficient as the above) Integer.toString(number)
Undo a commit & redo This command is responsible for the undo. It will undo your last commit while leaving your working tree (the state of your files on disk) untouched. You’ll need to add them again before you can commit them again). Make corrections to working tree files. git add anything that you want … Read more
Authentication is the process of ascertaining that somebody really is who they claim to be. Authorization refers to rules that determine who is allowed to do what. E.g. Adam may be authorized to create and delete databases, while Usama is only authorised to read. The two concepts are completely orthogonal and independent, but both are central to security design, … Read more
If you have a list with 53 items, the last one is thelist[52] because indexing starts at 0. IndexError Attribution to Real Python: Understanding the Python Traceback – IndexError The IndexError is raised when attempting to retrieve an index from a sequence (e.g. list, tuple), and the index isn’t found in the sequence. The Python … Read more
Destination Host Unreachable This message indicates one of two problems: either the local system has no route to the desired destination, or a remote router reports that it has no route to the destination. If the message is simply “Destination Host Unreachable,” then there is no route from the local system, and the packets to … Read more
Python doesn’t support ++, but you can do:
Why are they using <i> tag to display icons ? Because it is: Short i stands for icon (although not in HTML) Is it not a bad practice ? Awful practice. It is a triumph of performance over semantics.
pip is just a PyPI package like any other; you could use it to upgrade itself the same way you would upgrade any package: On Windows the recommended command is: