How do I make a machine “blank screen” for a period of time (as a penalty) if certain noise levels are reached?
My kids (4 and 5) yell a lot when playing games on the computer. I found an effective cure for this. When I hear loud noises, I ssh into the game computer and do: chvt 3; sleep 15; chvt 7 This ...
In Windows you have a C: drive. Everything labeled beyond that is with the following letter. So your second drive is D:, your DVD is E: and if you put in a USB stick it becomes F: and the following ...
How do I make a POST request with cURL command-line tool?
John Carmack tweeted, I can send an IP packet to Europe faster than I can send a pixel to the screen. How f’d up is that? And if this weren’t John Carmack, I’d file it under “the interwebs being ...
I've never quite got this. Just say you write a small program in any language at all which rolls some dice (just using dice as an example). After 600,000 rolls, each number would have been rolled ...
Check this image out: On Chrome and Firefox it will show as a pear. Now, try to save it and look at it saved on your desktop. Also, try viewing in Safari or Internet Explorer. It will display ...
From a quality perspective, what is better: turning volume up in the software, in the OS, or on the speakers?
If music isn't loud enough, how do I get the best quality (even if the difference is in fact so small it's negligible)? By making the music louder in my music player, game or other sound-producing ...
I've noticed that recently many websites are slow to display their text. Usually, the background, images and so on are going to be loaded, but no text. After some time the text starts appearing here ...
How can a computer restart itself? After it's off, how does it tell itself to come back on again? What kind of software is it that can do this?
Most of the time when I see someone post their email address online, especially if it's a personal address, they use something like me [at] example [dot] com instead of the actual email address ...
How can I sort the output of ls by last modified date? I can't find the answer on Google without digging around, an there is no answer on Stack Overflow either.
I mistakenly missed the dot off of an IP address and typed in 192.168.072. To my surprise I connected to a machine at 192.168.0.58 If I ping 192.168.072 I get responses from 192.168.0.58. Why is ...
I'm the digital guru in my household. My wife is good with email and forum websites, but she trusts me with all our important digital stuff — online banking and other things that require ...
If 32-bit machines can only handle numbers up to 2^32, why can I write 1000000000000 (trillion) without my machine crashing?
32 bit computers can only store signed integers up to 232 - 1. This is why we have run out of ipv4 addresses and have entered the 64 bit era. However, the number 232 - 1 (2,147,483,647) is not as ...
As you probably know Google Chrome has its own internal DNS cache. Is there a way to clear it without having to wait for the time out or close the browser?