Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

As a PowerShell user and developer, I often want to reverse an array or string. As a developer who has been using array multiplication to pretty great effect in Turtle, I think it would be ...

In a land where people have forgotten how to do maths, our superheroes, Multiplication Boy and Division Girl, are called upon to save confused citizens from their maths-based predicaments!

Take advantage of the MethodImplAttribute class in C# to inline methods and improve the execution speed of your .NET applications. The Just-In-Time (JIT) compiler is a component of the Common Language ...

In Orlando, Florida, a dozen seniors gather in a YMCA twice a week. Some push walkers, others roll in on wheelchairs. After some light exercise and corny jokes, they get down to the real ...

Once the domain of esoteric scientific and business computing, floating point calculations are now practically everywhere. From video games to large language models and kin, it would seem that a ...

Harnessing moisture from air, Northwestern University chemists have developed a simple new method for breaking down plastic waste. The non-toxic, environmentally friendly, solvent-free process first ...

“You can make the argument that we are living in Peak Asshole,” Bob Sutton, a Stanford organizational psychologist and author of the classic book The No Asshole Rule, told an interviewer eight years ...

Small talk has its uses, especially in the business world. It can help us suss each other out, establish a basic level of trust, or just fill the time while we’re waiting in line. But let’s be honest, ...

There has been a shift away from the use of more reliable hormonal methods of contraception to less reliable fertility awareness methods among women requesting abortion in England and Wales over the ...