How AI and Dynamic Pricing Shape Our Everyday Costs
A few days ago, I was having lunch with a colleague, and we started discussing AI (artificial intelligence), especially the recent popularity of large language models like ChatGPT over …
How to Use dd Command to Test the Hard Disk Speed?
To test the disk speed with the dd command, you can use it to write a temporary file and measure the write and read speeds. Here are examples: Test …
How to Check Hard Disk Type (NVMe SSD) on Servers/VMs?
The post shows a different ways to test if your hard drives on the servers are SSD or NVMe. Another one would be to use the “dd” command to …
Difference Between Product Design Interview and System Design Interview
In a Facebook/Meta interview (Software Engineering Roles including Site Reliability Engineers and Enterprise Engineers), the Product Design and System Design interviews serve distinct purposes and require different approaches: Usually, …
Use DirectX Diagnostic Tool (dxdiag) to View System Information
The DirectX Diagnostic Tool (dxdiag) is a built-in utility in Windows that provides detailed information about a computer’s hardware components and DirectX settings, which are essential for running multimedia …
Draw a Pumpkin using Matlab
The halloween is approaching. Mathworks presents the following Matlab code to draw a Pumpkin. % Pumpkin =sphere(200); R=1-(1-mod(0:.1:20,2)).^2/12; x=R.*X; y=R.*Y; z=Z.*R; c=hypot(hypot(x,y),z)+randn(201)*.03; surf(x,y,(.8+(0-(1:-.01:-1)'.^4)*.3).*z,c, 'FaceColor', 'interp', 'EdgeColor', 'none') % Stem …