Dave Jacoby

Dave Jacoby @jacoby

About: Long time computer user. Long time programmer.

Location:
Indiana, US
Joined:
Feb 22, 2017

Dave Jacoby
articles - 35 total

I Met A Var That Wasn’t There: Return of the Spectre of Unicode in Perl

I can’t let it go. So, let’s make an exploit! #!/usr/bin/env perl use strict; use warnings; use...

Learn More 2 0Nov 17 '21

“Won’t SOMEBODY Think Of The Children?!?!?”: The Spectre of Unicode in Perl

Having lived through the 1980s, I’m not a big fan of Moral Panics, where there’s a whole lot of “What...

Learn More 2 0Nov 17 '21

What Do Front-End Devs Think About Safari?

I'm mostly a back-end guy, and have by and large worked with Firefox and Chrome being the browsers of...

Learn More 28 19May 22 '20

Transitioning from Ubuntu/Windows+WSL to Mac?

I have accepted a new position, starting next month, and will be issued a MacBook. I have worked from...

Learn More 4 15Oct 24 '19

MAC and Me: How Many MAC Addresses Are On Me Right Now?

This is an idle thought that I didn’t finish, but accidentally posted instead of another post yester...

Learn More 6 2Oct 8 '19

Scripting the Dropbox API

I am a big fan of Dropbox and have been for some time. One of my things is to have bin and lib direct...

Learn More 9 0Sep 19 '19

Scaled Vector Graphics on the Web for Fun and ?

This is an image. I enjoy playing with clocks, and this is from that tool. This is done with Scal...

Learn More 6 0Sep 13 '19

Playing with Windows Terminal

I have been a WSL user for some time, and also someone keen on hacking my Bash prompt, which has lead...

Learn More 17 2Jul 24 '19

My Shame

I tweeted this, saying “my shame”. In the beginning there was format_all_that_data. It was an inte...

Learn More 6 0Jul 20 '19

I did an xargs!

xarg

Learn More 13 2Jun 27 '19

"Perl Out Loud", or another way to handle RSI

Programming with Voice not Keyboard

Learn More 8 0Jun 23 '19

Stable Sort and Ways Around It

There’s a service called Last.fm which allows you to store what tracks you listen to. I have started...

Learn More 8 0May 30 '19

More fun with Javascript Arrays: reimplementing Uniq

Let us start with the Unix command uniq, which, given a sorted list of numbers, gives us the unique v...

Learn More 3 0Mar 25 '19

Javascript Array(): WAT?

This start with me trying to get something like a range() function in Javascript. Perl, my language o...

Learn More 5 0Mar 18 '19

Reminding Myself and Others about DST with Perl

Daylight Saving Time. The reaction to DST in my Twitter feed ranges from “meh” to “Damn it!”, but it...

Learn More 2 0Mar 15 '19

Namespaces and Javascript: I Don’t Know What I’m Doing

Here’s a simple JS library I wrote today: let rr = {}; rr.data = {}; rr.code = {}; rr.code.listen...

Learn More 15 6Feb 7 '19

Javascript and JSON.stringify: It Almost Comes Correct

JavaScript has JSON, a built-in that allows you do good and wonderful things with objects. Assume we...

Learn More 4 0Oct 27 '18

Semiconductors - the Bottom-most Turtle

I should be thinking and writing about databases right now, but my brain will not go there. So, I’m g...

Learn More 5 0Oct 27 '18

The Ethics of Maintenance Code?

I am still reading and rereading a tweetstorm from Ed Barnard, an old-school dev from the days of C...

Learn More 10 1Sep 19 '18

Is using vim an antipattern?

This line of thinking started with a Dev.To post entitled “Vim won’t make you a more productive dev...

Learn More 8 3Sep 12 '18

Networking, Netmask and Why My Phone Could Not Connect

This was long ago, but not that long ago. I had an early Android phone and would use it to connect to...

Learn More 9 0Sep 4 '18

Fighting the Bus Factor with Log::Log4Perl

[By Littletung - Own work, CC BY-SA 3.0,]https://en.wikipedia.org/wiki/Big\_Blue\_Bus)https://commons...

Learn More 8 1Aug 30 '18

Is This Snowflake Code?

This started with clicking a link in the IRC channel for yapc, which is all about Perl, but I don’t t...

Learn More 10 17Jun 26 '18

What The Perl Conference 2018 Made Me Do

David Golden gave a talk on Higher Order Perl. Higher Order programming is writing functions that ret...

Learn More 12 0Jun 21 '18

Since that last one was severely without Higher Order code…

I pulled my copy of Higher Order Perl by Mark-Jason Dominus off the shelf and looked around in it. (I...

Learn More 5 0Jun 9 '18

Quick Hacks and Higher Order Programming

I am speaking on User Groups at The Perl Conference in Salt Lake City. Or, leading a panel and somew...

Learn More 10 0Jun 9 '18

HTTP_DNT: ‘1’ - What To Do?

HTTP_DNT: "1" navigator.doNotTrack: true I always say I do “Web but Not Web”. I use common technolo...

Learn More 8 0Apr 26 '18

Travelling Salesman Portrait - A Variation

This starts when I saw that Randy Olson found an interesting thing and built upon it. Traveling sale...

Learn More 11 0Apr 19 '18

How and Why I Track Coffee

You may have seen this on Twitter. It shows my last few years as a coffee drinker. Every cup of co...

Learn More 14 2Mar 26 '18

On Non-Zero Offsets

This is a topic I feel compelled to write but know this is not a thing I expect anyone to read. Blog...

Learn More 11 0Jan 29 '18