Recent Posts

Posted in College Productivity
Sun 09 October 2022

Here's a post I've been wanting to do for a year or two. My 30th birthday is in a handful of days, and so I wanted to write down everything that I think has been really beneficial to me in getting habits and routines down in my 20s. In the …

Posted in College Productivity
Tue 15 February 2022 file formats

This is part of a series on data storage with Python.

A previous post covered HDF5 files, and mentioned that they offer the ability to append rows of data as an experiment is in progress. In this post, we'll cover a library specifically designed to use this feature. The name …

Posted in College Productivity
Mon 14 February 2022 file formats

This is part of a series on data storage with Python. HDF stands for hierarchical data files, and HDF5 was a standard that was developed to allow massive data sets to be stored and read in a computationally and space-efficient way. HDF5 files can be very complex and typically require …

Posted in Bible Study
Thu 10 February 2022 rich man and lazarus

Someone from Serbia was reading my blog, and sent me an email with some additional sources that I wasn't able to find when I originally did the study. I had read on some forums that Luke 16 had allusions to an Egyptian text, but I was never able to find …

Posted in College Productivity
Sat 22 January 2022

This is a quick little code snippet that claculates the Allan deviation of the input data.

import numpy as np
def oadev(data, rate, numpoints=30):
    x = np.cumsum(data)
    ms = np.unique(np.logspace(0, np.log10(len(data) / 10), numpoints).astype(int))
    oavars = [((x[2*m:] - 2*x …

Posted in College Productivity
Sun 02 January 2022

I frequently need to denoise a signal that is the sum of a noise and drift process. I'm going to provide a quick little Python tutorial (with some code you can copy-paste) that you can use to denoise noise and drift in your experiments.

Let's suppose we have some measurement …

Posted in Bible Study
Thu 30 December 2021

When Mark wrote his gospel, he used the Greek words "ευθεως" (directly) and "ευθυς" (direct) very frequently. In preparation for a sermon, I wanted to investigate and categorize the different ways that the word is used. In doing so, I learned that Mark wanted to characterize a Jesus who was …

Posted in Bible Study
Wed 22 December 2021

I was cleaning out some post-it notes today, and found some notes I had made way back in August 21 while I was prototyping a paper version of 123gtd.com. The notes were a handful of verses that I was using to decide whether I should make it a private …

Posted in Newsletter
Mon 20 December 2021 123gtd

Not much to share, but after a bit of wrangling with Amazon's Serverless Applicaiton Model settings, I finally have been able to push a version 0 of 123gtd to https://123gtd.com with an API at gateio. It's not to look at yet, but I've got …

Posted in Newsletter
Tue 30 November 2021 123gtd

I've been thinking about building a social productivity app for years. Well, I'm starting it today. I don't have much to share ... yet... except that I've registered the domain name and put $12 of skin into the game. I'll be building it up at 123gtd.com over the next few …