Useful tips for everyday
What is sparse files in Linux? Sparse files are files that have large amounts of space preallocated to them, without occupying the entire amount from…
How do I determine the size of a human readable file? Human readable output ls command displays file size in number of bytes by default.…
How the signal is reconstructed from its samples? A continuous time signal can be processed by processing its samples through a discrete time system. For…
What does wet filament sound like? Moist filaments will bubble, crack, fizzle and sound a bit weird when extruder. Usually you can also detect some…
How do I take a timed photo on my Mac? Click the Take 4 Quick Pictures icon. It looks like four squares. Click the red…
How do I display current month in Unix? By default, the cal command shows the current month calendar as output. cal command is a calendar…
How do you calculate the moment of inertia about an axis that does not pass through the center of mass? Summary. Moments of inertia can…
How do I create a roll-up field in Salesforce? Creating the Summary Field From Setup, open Object Manager and click Account. On the left sidebar,…
Why are pairs of wires twisted at different angles? The idea is that the currents induced in each of the two wires are very nearly…
How to calculate total sales in Microsoft Excel? For example, you can calculate total sales by multiplying the cost of several items by the number…