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An error occurred while installing ffi (1.9.10), and Bundler cannot continue.

If you’re seeing one or both of the following errors: “ERROR: Error installing ffi: ERROR: Failed to build gem native extension.” “An error occurred while installing ffi (1.9.10), and Bundler cannot continue.” Check your `xcode-select`: xcode-select -p In my case, it was: /Applications/Xcode-beta.app/Contents/Developer But I had removed Xcode-beta and wanted to use the stable version…Continue Reading…

My Favorite Music

Just signed up for the Apple Music 3-month free trial. Playing music and writing down a few of my picks… Best: Lego House  Ed Sheeran Don’t  Ed Sheeran Live Like We’re Dying  Kris Allen Brother  NEEDTOBREATHE Sugar  Maroon 5 Better: Hotel California Eagles Landslide  Fleetwood Mac God Gave Me You  Dave Barnes Hall of Fame (feat….Continue Reading…

Write the Docs

I attended the 2015 Write the Docs conference about writing technical documentation. The event takes place in Portland, Oregon, where a variety of speakers are covering topics ranging from code samples to customer forums and more. I’d like to take a few minutes to just hammer out a few things that stood out to me; this isn’t going to be nicely…Continue Reading…

No Universal Time: block height on your smart watch

We normally see the time in terms of year, month, day, hour, minute, second. But how about something more universal — more fundamental? Imagine having the current time on your Apple Watch, not as “11:24 PM”, but as “352,739” — that is, the current block height. The Bitcoin block chain height increases by 1 approximately…Continue Reading…

Bitcoin isn’t real money

On multiple occasions, I’ve been told that bitcoin not real money. It’s generated by computers, and the people with the computers get all the bitcoin. This is an unfair system, favoring those who have special access to technology that we can’t get. Bitcoin isn’t created, controlled, or given value by government. It’s not recognized or accepted in…Continue Reading…

Idea 377: Your computer should remember everything you’ve done

We spend a lot of time on our computers. Maybe even a majority of our time. And that’ll only increase for mankind as a whole going into the future. Computers are good at recording and storing data. They have better memories than humans (just listen to Episode 1 of the Serial podcast to confirm that!)…Continue Reading…