Math on the Web

Below are bulletted list items. Later this will turn into better copy. Summary: Use Texvc when necessary, and KaTeX when possible. Math in Chrome SVG is the preferred method for Math on Chrome, though accessibility is still an issue Basically, for Chrome, the options are: ship small images at a great expense in time (MathJax), ... Read more

MediaWiki vs. WordPress

There of course is no MediaWiki vs. WordPress in the sense of a battle. As Wiki and Blog platforms go, each is the winner in their category in terms of raw number of users/pageviews. That said, there are definitely (different) concerns with each platform, architecturally as well as accidentally. And therefore, we dreg up the ... Read more

Elixir and Phoenix

Late to the party as always, as this has been going on for a few years, but hey. In any case, this is about Elixir and Phoenix: - Elixir is a 5 year old functional programming language, that runs on the - Erlang BEAM VM (which is very mature, fast, and reliable), and - Phoenix ... Read more

Thoughts on Amazon Echo Show

The new Amazon Echo Show looks great. Watching the video, it is striking that the interface appears so clean. This is obvious when using voice, since buttons don't really count. Also, the fact that this is not just a piece of hardware and natural language interface, these are applications being shown. In terms of video/voice ... Read more

Install, Configure, Maintain Postfix

Postfix Mail Transport Agent (MTA) Postfix is a Mail Transport Agent (MTA). It is not a complete mail system, but focuses on the MTA component, and does not include a Mail Delivery Agent (MDA), such as IMAP support, nor does it include a Mail User Agent (MUA), such as a web mail client. Other popular ... Read more

Google Apps Free vs. G Suite

For those of us early adopters who managed to snag a 50 user (or 10 user) free google apps accounts, things are sweet. New users have to cough up $ 5 USD/mailbox/month (or $ 4.19 USD/mailbox/month provided yearly billing). What Google really wants is the $ 10 USD/month or $25 USD/month enhanced cloud services. Yeah, ... Read more

Submit URLs to Bing, Google, Yandex

If an important page is added or updated with important changes, then it behooves one to submit that URL to the various search engines, especially Bing, Google, and Yandex. Strangely enough, this is not as straightforward a task as one might think. First of course, one needs to be registered with the various Webmaster Tools, ... Read more

Referer, Referral, Analytics Spam

Spam, spam, spam, spam, spam, eggs, and spam. You get spam with your analytics. These are not real visitors, just spam in the logs. Here is how to de-spam your analytics. Google Analytics Spam Filters Admin > Account > Filters Add custom filter, exclude by hostname Filter Pattern .*(hostname\.tld|hostname\.tld).* Note that a filter can have ... Read more

Sclerotic Teens – WP & MW

Two very popular content management systems are in their teenage years now: WordPress will be 14 this year, and MediaWiki will be 15. Those are a lot of years on the web. As teenagers, these two successful and interesting projects try and act like the adults they want to be. Unfortunately, this can lead to ... Read more

Shell Commands and Utilities

This is a terse collection of commands and utilities I find useful for shells. There is little distinction between programs and commands as commands are programs (and are installed or come pre-installed) and programs have commands. Also included is a shell (Fish Shell) and some other shell applications/utilities (Mosh, Nano). bc - basic calculator See ... Read more