The proof that Go channels aid concurrency
Posted on Sat 01 July 2023 in IT, programming
All the buzz about Go being the best modern language to handle concurrency... When I rewrote the Neo4j Go Driver manual I needed to get to the bottom of it. And indeed, there is some …
The shit show of Google Analytics 4 (GA4) and the retirement of Universal Analytics
Posted on Sat 26 November 2022 in IT, programming, google
Early in 2022, I started getting emails from Google, warning that starting from 2023 they would retire Universal Analytics (UA), which is what everybody uses to track views from Google Analytics in this decade. Closer …
Deform an unstructured mesh (or how a good angle dramatically simplifies a problem)
Posted on Sat 23 April 2022 in programming, finite element method, mathematics
In the attempt of coupling my PhD's Finite Elements Framework for Fjord Ice-ocean Interactions (FEFFII) with an ice code, I stumbled upon the issue of deforming the ocean mesh. If a simulation stretches over a …
FEniCS differences between Function, TrialFunction and TestFunction
Posted on Thu 06 February 2020 in finite element method, IT, programming, mathematics
The FEniCS project allows for simple solution of partial differential equations. However, getting started from examples is so quick, it is easy to miss how the inner-workings of it behave. This should not happen (especially …
Create a WP test site with lots of users and posts
Posted on Sun 05 January 2020 in programming, IT, wordpress
The following WP-CLI command data create creates a lot of test data into a WordPress site: 1000 new users, each with 50 posts. Each post gets a random date in the last year and a …
A/B testing on WordPress: a framework for developers and tutorial
Posted on Fri 13 April 2018 in wordpress, programming, IT
Some months ago, I changed one link in the menu in my website postpaycounter.com. After that, it looked to me more people were purchasing products, i.e. the conversion rate had increased. But how …
Brute force a crackme file password with Python
Posted on Tue 13 February 2018 in binary reverse, brute force, python, programming, IT, security
I was to reverse a file for a challenge, MD5 hash 85c9feed0cb0f240a62b1e50d1ab0419.
The challenge was called mio cuggino, purposefully misspelled with two g letters. It asks for three numbers. The challenge led me to a …
Does C++ delete operator really free memory?
Posted on Wed 20 September 2017 in IT, programming
Well, I have been wondering about this for quite a while now, and I have tried to run some tests to better understand what's going on under the hood. The standard answer is that after …
A method for calculating pattern relevance in a text
Posted on Sat 06 February 2016 in algorithms, IT, programming
This article aims at presenting a method for computing the relevance of a given string (pattern) in a text. This algorithm is at the core of my WordPress plugin Smart Tag Insert.
First of all …
Tutorial: Use PayPal Adaptive Payments API (with Embedded Lightbox)
Posted on Wed 20 February 2013 in IT, programming
I am working on integrating my Post Pay Counter Wordpress plugin with PayPal, so that site administrators can pay their writers directly from their blog pages, without having to head to the PayPal website.
PayPal …
When you start a new project, think big!
Posted on Tue 03 April 2012 in programming
As you may know, I am the happy developer of a Wordpress plugin called Post Pay Counter. I dare say that that has been my first serious coding project, well thought and well written. It …