Rubin

Given an array arr[] of length N, denoting the cost of N items and the cashback upon buying that item, the task is to find… Read More The post Minimum money required to buy items with given cashbacks appeared first on GeeksforGeeks.

Hi there, hope you are doing great. I joined Thoughtworks as an Application Developer consultant in June 2022. When I was preparing for my interviews… Read More The post Thoughtworks Interview Experience (Off-Campus) 2022 appeared first on GeeksforGeeks.

Given an N×N Matrix Mat[][] of N rows and N columns. There is exactly one Queen on the chessboard and the cell that is under… Read More The post Find position of Queen in chessboard from given attack lines of queen appeared first on GeeksforGeeks.

Given an array arr[] of length N, the task is to find the total number of elements that has frequency 1 in a subarray of… Read More The post Total count of elements having frequency one in each Subarray appeared first on GeeksforGeeks.

I have a rather simple question. As stated in the pg_hba.conf file in the postgres data directory: # DO NOT DISABLE! # If you change this first entry you will need to make sure that the # database superuser can access the database using some other method. # Noninteractive access […]

import scapy.all as scapy test = scapy.IP(dst='8.8.8.8')/scapy.UDP()/scapy.DNS(qd=(scapy.DNSQR(qname='www.gmail.com'))) answer = scapy.sr1(test)['DNS']['DNSRR'].show() I know UDP is used for faster connection of lossy content but i don’t understand the usage here Is the UDP parameter here used to transfer the gmail webpage quickly by the google 8.8.8.8 dns server or by using UDP […]

I’m aware that, in Linux, a loop device is a pseudo-device that makes a computer file accessible as a block device. I need something very similar (or the same thing?) to use a file as a VirtualBox USB device. I have a Linux host and a Linux guest. My goal […]

I have Linux clients using AD username/password using NIS and we have NIS Domain and UID and GID are already present in the AD. We used to have Windows 2003 NFS share and it used to work fine with permissions but now we moved to Windows 2019 and the same […]