Why I wanted to run Jekyll on my Mac to see changes locally. Process Follow the quickstart guide on official Jekyll website Problem 1: gem install jekyll received no output. Solution: terminal helpfully warned that. You don’t have /Users/username/.gem/ruby/2.6.0/bin in your PATH, gem executables will not run. Problem 2: find the PATH Solution: (a) echo @$PATH``, (b) edit .bash_profile``` Problem 3: still no Jekyll Use the which command to find out why Jekyll isn’t recognised...

I was trying to make a Promise object return an ordinary value (e.g. a number or a string), but failed. And then I realised that Promises are never intended to return values other than Promises. Otherwise how can one “chain” then with .thens? I can do what I wanted to do with this instead. // declare a variable without initialising it let newValue // declare and initialise a promise const myPromise = new Promise((resolve, reject) => { resolve("foo"); }); // assign the value of the resolved promise to the variable myPromise....

This website was set up by following this helpful tutorial.