Given some ISBN Codes, the task is to check if they are valid or not using regular expressions. Rules for the valid codes are: It… Read More The post Regular Expressions to Validate ISBN Code appeared first on GeeksforGeeks.
Daily Archives: December 16, 2022
Given a 2D integer array where each row represents the relation between the nodes (relation[i] = [parenti, childi, isLefti]). The task is to construct the… Read More The post Create Binary Tree from given Array of relation between nodes appeared first on GeeksforGeeks.
I want to create a binding so that pressing “Shift I I” writes python import statements. I think it should be a map, like this: :map <S-i><S-i> ... I’m not sure how to map my desired output. I want to enter insert mode, then type: import numpy as np import […]
We have a number of sites that run Unifi UDMP’s as their edge/firewall router. These sites all connect to a VyOS AWS EC2 instance that handles all routing between sites via L2TP/IPSEC vpn connections. So, think like a hub-and-spoke topology with the VyOS router instance as the hub, and each […]
I got two laptops of the same make and model, laptop Alpha and laptop Beta. Alpha runs a LUKS encrypted LVM of linux and is partitioned into three parts: Grub, swap, and the encrypted drive. It’s been running great for about 4 years. The problem is I use Alpha so […]
Gentlemen, in my table I have a column CC (Number of Contracts), and another column “DATE” with the dates of each contract, but I want to make a comparison (Something like a PROCV in Excel), where I check in my column CC if have the same contract numbers as the […]
I returned home to my PC not booting correctly (Blank screen with blinking line). I assume the Desktop environment wasn’t loading correctly. No problem, I thought since I take daily snapshots using Timeshift. I reverted to yesterday evening and PopOS booted correctly. When I tried to startup my VM however, […]