David Hamp-Gonsalves

I was gifted a Sencore SC62 oscilloscope from the mid-80s.

I think we have been missing out on the best thing about faux neon LED lights.

13 years ago I owned a hand me down Sony Vaio laptop.

I made an e-ink based, solar powered version of the famous Conways Game of Life.

I wanted to get a music streaming server running as I have in the past but with the scarcity of RasberryPi’s my I needed to try something new.

I’ve learned a lot from watching BigClive and this project was the combination of three of those learnings.

I build the wonderful MidTBot and have been enjoying creating pen plots.

In cold climates solar lights are nice but typically short lived.

I moved into a house that uses a few mini split heatpumps for temperature control and while the technology is efficient and amazing interacting with them is not.

Second hand Kindles are waiting in drawers for someone to repurpose them into something great.

I made a cardboard halloween mask powered by an Arduino.

TLDR: My robot cat litter box bricks itself after a set number of washes with each soap cartridge so I reverse engineered and suppressed the verfication process to enable refilling.

A grow clock is a simple visual indicator of day and nigh.

Keeping up with invoicing is time consuming is an easy task to delay / forget due to procrastination.

A few years back I wrote a simple launcher that took advantage of Strava’s NFC action intents to automatically start recording a ride.

I built a set of rollers to determine how much I enjoyed riding them.

I saw a interesting timelapse animation on Reddit and created Gif-Twist to automate the long manual processs (~10 hours).

I’ve had a Babboe cargo bike in Toronto for a year now, this is a review of that time.

TLDR: Training data shapes our current iterations of AI and as they get more competitive so will the people who create it.

I converted my blog from Octopress to Hugo and in as part of that process ported over the existing theme.

I ported this blog (and its theme from Octopress 2 to Hugo.

Webhook are the glue between many internet services but in many cases developers will write little bits of code to help translate payloads between such services and make them compatible.

TLDR: Just use CircleCI.

TLDR: Yes.

I took part in Digital Oceans Hacktoberfest & had a lot of fun.

Sometimes I feel that Java has become a second class citizen on the JVM.

Personal projects fail just as easily as well funded professional ones.

The goal of this project was to recreate an image as a mosaic of other images.

Project Goal I wanted to generate SVG based tree rings that would mirror peoples lives based on some basic info (name, age, times of growth).

Maintaining personal projects incur a small but on going cost: API’s change, PAAS’s deprecate old stacks, frameworks and libraries die / decay and domains need to be renewed.

To learn some of the basics of metallurgy and have an understanding of what goes into some of our most basic tools I built a knife out of a discarded file.

While WebRTC has been around for awhile now but its still feels like a young technology and there are few resources to learn about it.

Using Gifs for terminal explanations and usages aren’t new and exciting anymore but they are still useful.

Did a interview about ethical apps on the Greenpeace Podcast.

I have been using the phusion baseimage-docker.

Launchd is the official way to schedule a task or run a service on OSX.

I did some performance tests on the four histograms comparison methods that [compareHist](http://docs.opencv.org/java/org/opencv/imgproc/Imgproc.html#compareHist(org.opencv.core.Mat, org.opencv.core.Mat, int)) provides and initially found that in basic pe…

I noticed that when you enter 30 into tumblrs age field it switches from “years old” to “years young”.

My family and I moved from Canada to San Francisco recently these are some pointers for others thinking of doing the same.

Everyone has their own (strong) opinions about this but I think I’ve figured it out.

Latex might be the most fashionable format for the discerning developer but I think its overkill.

In postgres 9.2 a new family of data types were added called Ranges.

When ever you ever have to inject HTML into an unknown page you have to battle with all the page styles messing with your own content.

So after seeing Spritz I waited for someone to whip up a nice extension so that I could try out the same technique(RSVP) in my brower.

This is my current list of online resources for preparing for technical interviews.

Identicons are icons that are generated from some form of user information.

Weekend projects and free hosting stacks go hand in hand.

I took part in the Apps4Halifax open data contest and won second place in my category with Halifax Crime.

Last week I started playing a new game on my phone called Castle Crash.

Client side single page apps tend to throw a lot of JSON data across the internet.