When robots start up, there is typically a need to start some script in order to make sure the basic functions of the robot are started up. This could be a state machine or a simple bringup launch file or even a web application. In Ubuntu 16.04, …

Step 0: Terminology For brevity let’s refer to the repository running the Github Actions as action_repo and the private repository that is a dependency as private_repo. Step 1: Create private and public keys ssh-keygen -t ed25519 -C “some@email.com” should do the trick This creates 2 files — one with the name provided and one with the name provided and the…

Well well well, plain old CSS. Whilst the excellence of plain old CSS can be extolled endlessly. With every age old technological, the impending arrival of a new age technology always looms around the corner. CSS, meet SCSS. SCSS offers a variety of features that CSS does not and makes…

Dynamo DB is a simple Database in AWS that stores a primary key and a sorting key. The use of DynamoDB is simple and can be used to store variables such as a user’s phone number, login details etc. …

When deleting an Amazon Relational Database Service (RDS), take note that deletion protection may be enabled.

Continous Integration is part of the Devops workflow where code is pushed into a pipeline that performs a series of tests before embarking on Continous Deployment. The Continous Integration step typically involves some form of testing minimally involving unit tests. Let’s make it as minimal as possible, in order for…

Fresh is a web framework running on the backbone of Deno (pronounced ‘deee-noh’). Fresh offers a variety of improvements over its closest competitors including the islands architecture and a non-existent build step. The islands architecture aims to ship some html to the browser as well as javascript only for areas…

NodeJs is a runtime built on Chrome’s V8 javascript engine. This effectively means that NodeJs is able to run javascript code. This makes NodeJs powerful in that it is able to run ExpressJs — a set of tools used to create backend applications. One could even go further to fashion…

The following is an example of the error occuring: #include <iostream> #include <boost/shared_ptr.hpp> #include <vector> class Box { public: bool initialised{false}; }; int main(void) { Box *ptrBox = new Box(); // This will throw the error boost::shared_ptr<Box> obj; // This will not throw the error…