Jeff Darcy

Jeff's North Lexington Running Guide

North Lexington is a challenging place to run. When I lived on the south side, I could turn just about any run into a loop pretty easily, even for short runs. On this side, that's often not possible because of all the obstacles. Chief among these is I-95; if you cross that, you're either coming back the same way or you're doing five-plus . . .

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May 08, 2021

Plotting a CDF in Excel

Cumulative Distribution Function

One of the most useful kinds of charts in my work is a Cumulative Distribution Function. Here's an example.

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In addition to showing the median and any percentile one mightwant, this conveys a lot of information that simple numbers can't. See how the orange line diverges from the blue one and then starts to converge again, or how the . . .

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Posted in: tips and tricks

November 02, 2018

AC: Odyssey, Phokis Conquest Battle

As Monty Python once said, now for something completely different.

It's a good time to be a gamer. I've already finished Shadow of the Tomb Raider, working on Assassin's Creed Odyssey, Hitman 2 and Red Dead Redemption 2 and Fallout 76 are all on the near horizon. By the time I finish those maybe there will be something new in the Last Of . . .

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October 22, 2018

Navigating a Large Codebase

The topic of how to learn a large codebase came up today on Twitter. Since I have a lot of experience with that, and am doing it right now for my new (to me) project at Facebook, I figure maybe I can provide some useful hints. Here goes.

First and foremost, whatever you learn as you're getting up to speed, write it down. Time after . . .

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September 20, 2018

Recording a Mac PowerPoint Presentation

Really handy, but more to it than you'd think.

I was supposed to give a presentation at Mountpoint in Vancouver today. Unfortunately, I wasn't at Mountpoint in Vancouver. I was at home, dealing with some stuff that I'll probably write about some other day. The first idea was to have me videoconference in and do things that way, but I spend a lot of time doing that and if I've . . .

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Posted in: tips and tricks

August 28, 2018

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