Finding the phone numbers of property owners can be a crucial step for various professionals. You may be a real estate investor, and you have found a gem of a property. You want to get involved ...

I am parsing a logfile in C# and want to pull out certain lines that have a value. Currently I'm searching for terms and when that term is found I use string.substring to count over and grab the ...

You must have received a call from an unknown number. Some of them would be spam or promotional, and you would dismiss them. Often you would have suspected them of being someone known or a fraudulent ...

In Daniel Tammet’s mind, three is a dotted green crescent moon shape, one is a sort of white sunburst and four is a blue boomerang. Every number has a distinct color and shape, making the number pi, ...

If the long wait times and hard-to-find numbers don’t make it clear enough, I’ll say it: Tech companies don’t want to talk to you. Here’s a secret I bet you didn’t know. You can have Amazon call you ...

For centuries, prime numbers have captured the imaginations of mathematicians, who continue to search for new patterns that help identify them and the way they’re distributed among other numbers.

In 1998, Ask Ars was an early feature of the newly launched Ars Technica. Now, as then, it's all about your questions and our community's answers. We occasionally dig into our question bag, provide ...