Posts - César Olea

29 Sep 2026

Salt Flats Summit 2026

September 17 2026 was Salt Flats Summit day. Salt Flats Summit is the fintech conference; it's right at the start of co...

11 May 2024

Association for Financial Technology - Spring Summit 2024

On March 2024 I was honored to be invited, along with my friends and coworkers Rhett Roberts and Lloyd Roberts, to part...

19 Aug 2023

AWS lambdas with shadow-cljs

A while back I wrote about writing AWS lambdas with ClojureScript. There’s surprisingly little information on the topic,...

23 Jan 2023

My ideal desktop setup for remote work

I've been working remotely for more than a decade now. In that time I've gone through vastly different setups, arriving...

08 Feb 2022

Super Happy Dev House 2009

A blast from the past. My co-worker, ex-co-blogger and all time excellent friend Axel Valdez shared with me this video ...

11 Jan 2022

Emacs locale

Multi-language computing has many challenges. During my day to day activities I constantly switch between English and S...

20 Dec 2021

Expreso Live - Economía para todos

Expreso is a regional newspaper and they invited me and other colleagues to participate in a segment called "economics ...

01 Oct 2021

A browser picker for the Linux desktop

As a user of multiple browsers, a very common use-case is opening a specific browser depending on the target URL. For e...

09 Jul 2021

LoanPro Grand Opening Ceremony

On July 7th 2021 LoanPro opened its new offices to the world. I was part of that celebration and was invited to give a ...

20 Jun 2021

BEDU Live - 2021 el año que migraste a la nube

I was invited to participate in a recorded event organized by BEDU. The topic was centered around migrating your operat...

14 Apr 2021

Build Your Own Nativecomp PGTK Emacs

I’ve written before on what a gamechanger Emacs with native compiled lisp and PGTK frontend is. However it’s a bit of a ...

16 Mar 2021

HTML signatures with mu4e and Gmail

For a long time I've been searching for an email client that would fit my workflow. During my macOS days I was a happy ...

11 Mar 2021

Native compilation and "pure" GTK in Emacs

There's some very exciting developments in the Emacs world: native compilation of elisp and a "pure" GTK frontend for E...

12 Jan 2021

Writing AWS lambdas with ClojureScript

Deprecation notice! This article has been superseeded by writing AWS lambdas with shadow-cljs. Most of the information c...

10 Nov 2020

Free Your Brain, Free Yourself and Become a Better Professional

TL;DR for my org-roam configuration, jump to Setting up a Zettelkasten in Emacs or checkout my Emacs configuration in G...

02 Oct 2020

DNS Crash Course

DNS is an integral part of the Internet and a very important application layer protocol. Still, developers building Web ...

28 Sep 2020

Literate Emacs Configuration

I’ve migrated my Emacs configuration to use a literate programming style, after several unsuccessful attempts at better ...

28 Sep 2020

Raycasting Demo

I'm a fan of Fabien Sanglard's work, and after reading his Wolfenstein 3D book I felt inspired to write my own raycasti...

24 Sep 2020

ClojureScript Setup Made Easier With Anvil

Some time ago I wrote a series posts in the devz.mx blog on setting up a ClojureScript project from scratch. I did it fo...

15 May 2019

Efecto De Fuego Con ClojureScript

This article was originally posted in the devz.mx blog. Terminé de leer el libro Game Engine Black Book: Doom de Fabien ...