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Hello, Scala (free preview) alvin April 9, 2019 - 9:13am

Note: The print version of Hello, Scala on Amazon will be going up to $20 (USD) this Saturday, April 13, 2019. It’s currently just $10, so you know, buy it while it’s on sale and all that. :)

If you like free things, here’s a link to a free preview (PDF) of the new version of my book, “Hello, Scala.” The book is 257 pages long, and the free preview contains the first 120 pages of it, so I hope it’s a significant preview. Hello, Scala is now available for sale, so you can buy the PDF, Kindle ebook, and/or printed book at this link.

“Kotlin Quick Reference” book

Table of Contents1 - Kotlin Quick Reference2 - It’s free3 - It’s open source4 - A caveat5 - Contributing6 - The Kindle version7 - Downloads

Somewhere in mid-2017 I started working on a Kotlin programming book, but then I had to get away from it to work on other things. When I got back to it recently I looked around and felt like the world didn’t need another “Introduction to Kotlin” book — there are a couple of good ones out there, including Kotlin in Action, and the kotlinlang.org documentation is excellent — so I decided to ditch the project completely.

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Kotlin Quick Reference

But then when I started writing some Kotlin code again I realized that what I really needed was a quick reference. I didn’t want to have to dig through a tutorial book or website to find what I need, I just wanted something like a large cheat sheet where I could quickly find the Kotlin syntax and examples for whatever I was working on at that moment. So I decided to strip down what I had already written and create both a book and a Kotlin Quick Reference website.

Warren Buffett’s shareholder letters alvin August 15, 2018 - 9:52am

I just learned that Warren Buffett’s shareholder letters can be found here in PDF format.

How to control LaTeX titlepage top margin spacing

As a brief note to self, when you need to control spacing at the top of the title page (titlepage) in a LaTeX document, use the \vspace command, as shown in this example:

Great printable infographics on mast cell disease alvin June 5, 2018 - 2:36pm

If you or someone you know has a mast cell disease — a type of autoimmune disease — the tmsforacure.com website has several great infographics. I printed them out so I can take them to new doctors who don’t know me, when I have to go to emergency departments, and for things like my upcoming surgery.