Those of you who are already familiar with JITs and how they work might want to skip directly to the interview, the rest of us are going to hang out for a minute and learn about how things presently work in Ruby, and what it is exactly that the MJIT would change. How does a … Continue reading MJIT: A Method Based Just-in-time Compiler for Ruby
Author: Eric
What’s the difference between using “let” and “var” to declare a variable in JavaScript?
ECMAScript 6 introduced the let statement. The difference is scoping. var is scoped to the nearest function block and let is scoped to the nearest enclosing block, which can be smaller than a function block. Both are global if outside any block. Also, variables declared with let are not accessible before they are declared in … Continue reading What’s the difference between using “let” and “var” to declare a variable in JavaScript?
Limiting social media use reduced loneliness and depression in new experiment
The idea that social media can be harmful to our mental and emotional well-being is not a new one, but little has been done by researchers to directly measure the effect; surveys and correlative studies are at best suggestive. A new experimental study out of Penn State, however, directly links more social media use to … Continue reading Limiting social media use reduced loneliness and depression in new experiment
Vacation is a poor substitute for leisure
For many of us, rest in the historical sense—the active version—is only imaginable after a lifetime of work, in retirement. More than two thousand years ago, the Roman stoic philosopher Seneca wrote a letter to his friend Paulinus, urging against a certain type of rest: I do not summon you to slothful or idle inaction, … Continue reading Vacation is a poor substitute for leisure
The end of the internet startup
We haven't had a major new technology company in more than 10 years. Silicon Valley is supposed to be a place where a couple of guys in a garage or a dorm room can start companies that change the world. It happened with Apple and Microsoft in the 1970s, AOL in the 1980s, Amazon, Yahoo, … Continue reading The end of the internet startup
Crazy Work Hours and Lots of Cameras: Silicon Valley Goes to China
A group of Silicon Valley executives at the investment firm Sinovation Ventures in Beijing in August. It was part of a trip to China their companies organized to explore how the country has rapidly become a tech power to rival the United States. One Chinese technology executive said he worked 14 to 15 hours a … Continue reading Crazy Work Hours and Lots of Cameras: Silicon Valley Goes to China
China’s obsession with short videos has its internet giants worried
Take a subway ride in China and expect to see a lot of commuters’ eyes glued to TikTok videos on their phones. Video clips like TikTok’s are now consuming nearly nine percent of Chinese people’s time online, a 5.2 percent jump from 2017, according to app analytics firm QuestMobile. Apps such as TikTok — which … Continue reading China’s obsession with short videos has its internet giants worried
