Opportunistic diversions for 2019-04-17

I watched a couple interesting videos that I enjoyed, and thought I’d share: This Engadget video about the differences between DSLR and mirrorless cameras is terrific. Chris Schodt did a great job explaining both camera categories, and the advantages each type has. Well worth watching. Leonardo Da Vinci was clearly a remarkable person, and this […]

Teaching kids fractions

Our son is learning fractions at school. He’s finding them a little challenging, so I’ve been trying to help him. On one hand, my math knowledge still seems to be sufficient at his level. On the other, I don’t remember doing this stuff like he does it at school. I found a couple links that […]

Building a computer with my daughter and Hello Ruby

I bought the Hello Ruby books for my daughter a couple months ago. She was interested in learning to code, and I had recently watched Linda Liukas’ wonderful TED talk about how she came to write her books. So I bought both of the Hello Ruby books: one about programming, and the other about computer […]

Scientific papers shouldn’t be published as PDFs

I enjoyed James Somers’ article in the Atlantic titled “The Scientific Paper Is Obsolete” about how the standard format for scientific papers, namely PDF, is no longer the appropriate format for such data-intensive work. This is, of course, the whole problem of scientific communication in a nutshell: Scientific results today are as often as not […]

Learning Flask with Corey Schafer

My Summer project is to finish an initial version of my Practice Math site for our kids. I’ve hit a bit of a snag with fractions, but the functionality for whole numbers is almost ready. The next step is to create a web site for the project so our kids can use the app through […]

An alternative to Israel’s expensive Microsoft licensing dilemma

Interesting article on OnMSFT: Israel, scared off by Microsoft subscription deals, won’t renew Office licensing agreements: Under the current deal with Microsoft, Israel pays about $27 million a year for Office on the desktop, Windows, and server software being used across the government. The ministry issued a bold statement, saying “This will also encourage government […]

Making sense of JavaScript array methods with Array Explorer

Sarah Drasner shared her awesome Array Explorer tool on Twitter the other day. It’s design is pretty simple, and yet a powerful way to learn JavaScript arrays.

Parenting moments with shell scripting

I’m both fascinated by and borderline besotted with shell scripting (you know, all that command line stuff). It turns out my son is intrigued by what you can do from the command line, and it opens the door to some pretty cool parenting moments.

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