Useful tips for everyday
How do I reference a cell in Countif criteria? To include a cell reference and operator in the COUNTIF criteria, enclose the operator in double…
What is Nohup command? Nohup, short for no hang up is a command in Linux systems that keep processes running even after exiting the shell…
How do I speed up my Macbook Pro fan? Here’s how to do that: Launch the Macs Fan Control and click the Custom button on…
Is primary key allow duplicate values? A primary key is a column of table which uniquely identifies each tuple (row) in that table. Primary key…
How to check the length of a variable in Bash? Note that for both $ {#string} and ????, whether it will be the number of…
How can I increase my phone storage? Buy storage via the Google Drive app On your Android phone or tablet, open the Google Drive app…
What intercept tool can be used for MITM attack? HTTP Public Key Pinning (HPKP), sometimes called “certificate pinning,” helps prevent a MITM attack in which…
What is memory allocation strategies? Memory allocation is a process by which computer programs and services are assigned with physical or virtual memory space. Memory…
When did 737 get ungrounded? March 13, 2019 Having new evidence of accident similarities, the U.S. Federal Aviation Administration (FAA) grounded the aircraft on March…
Which power plants typically have the highest capacity factors? Nuclear has the highest capacity factor of any other energy source—producing reliable, carbon-free power more than…