Securing Your Ubuntu Server Mark Robson Used a great digital ocean resource on securing an Ubuntu server. Condensed the steps into a script: #!/bin/bash sudo apt-get install ufw sudo ufw default deny incoming sudo ufw default allow outgoing server (1 min read).
Data, Logic, Sanity, and Reasoning Mark Robson I've had a few discussions with friends recently about 'Fake news' and what can be done about it. This is a deep deep question with many ramifications. Especially when you are dealing with (2 min read).
Bitcoin Development Mark Robson I wanted to learn a bit more about Bitcoin development so I created a hello world example. First, generate an address and get some bitcoins. Then check your balance to make sure it blockchain (1 min read).
Recording iPad/iPhone screen on a Mac Mark Robson When you have to demo an iPad/iPhone app you can use QuickTime player. Connect your iPhone/iPad On your Mac, open QuickTime player File > New Screen Recording In the recording options, (1 min read).
Carbon Design React Components Mark Robson IBM have created Carbon Design System for their Cloud products. The team describe the system as 'a collection of reusable HTML and SCSS partials to build websites and user interfaces'. So it is css (1 min read).
Watch and Run Tests Mark Robson I used to put a script in each package.json file called dev. The idea was to watch for changes and then run tests. No need to pollute the scripts section because we javascript (1 min read).
SSL With Letsencrypt And Nginx Mark Robson Lets face it, setting up SSL can be a beyatch. Apart from setting up locally, then it is really easy (comparatively). Definitions SSL Secure sockets layer - a protocol which encrypts data so nginx (1 min read).
Advanced Markdown tips Mark Robson Blatant copy of the default Ghost article :-) If you've gotten pretty comfortable with all the basics of writing in Ghost, then you may enjoy some more advanced tips about the types of Getting Started (2 min read).
IPFS Mark Robson Interplanetary filing system is a decentralised filing system. It is a mashup of several things. Think of it like a torrent network, where you download a file using peers. Done over a Tor (1 min read).
Javascript Testing Mark Robson Testing is essential to development. I've obviously used testing libraries such as Mocha, Chai, Ava, Tape, etc. But how would you go about writing one yourself? Especially how would you build a test (2 min read).
React with Mobx Mark Robson I never really got into the Redux stuff. At first glance it looked a bit convoluted; I was into other things so didn't get into it. Plus apps I was working on were (1 min read).
Authentication Salt And Hash Mark Robson Authentication is verifying you are who you say you are. Authorisation is letting you do only what you are allowed to do. HTTP is stateless, that is how it was designed. However I (2 min read).
Functional Programming in Javascript Mark Robson I started work on an FP library in order to learn this paradigm. I called it funcker - 'func' in functional, plus getting your head around fp can be a bit of a (4 min read).
Circle.ci Mark Robson Circle.ci is the best CI tool I have seen so far. Super easy to get started. It is more similar to TravisCI then others (Jenkins, Drone.io). I signed up with my (2 min read).
Converting an IPFS Hash to 32 Bytes Mark Robson What is an IPFS hash anyway? Take for example, ‘hello world’. When we add it to IPFS it generates this hash: Qmf412jQZiuVUtdgnB36FXFX7xg5V6KEbSJ4dpQuhkLyfD Breeeaak it down one time. [Qm] - two bytes Q is (1 min read).
Koa.js Basics Mark Robson I've recently started using Koa. I'm a big fan of Express but have heard good things about Koa so thought I would take a look at it. I've created an example api as (1 min read).
Solidity Function Overload Mark Robson Solidity does not support optional parameters, but what it does support is method overrides. Just like in Java you can declare a function multiple times as long as the arity and/or types (1 min read).
Publishing an NPM Module on IPFS Mark Robson I recently published a npm module of mine called wordify on the IPFS network. First things first, follow the getting started guide. Then run the daemon with ipfs daemon. For ease, we will (1 min read).
Creating and Deploying a React Native App to iOs and Android Mark Robson Starting consists of installing Create React Native App globally using yarn global add create-react-native-app. Install Watchman next. We will be developing with Expo.io too, advice from the React people. On your testing (2 min read).
Learning and Staying on Top Mark Robson What did you do that for? So what is your purpose for learning? What do you want to get out of it? This could be broken down to each study session you have (2 min read).
Cryptography and Security Primer Mark Robson Definitions Cryptography From the Greek meaning 'hidden writing' Cipher A secret or disguised way of writing something Code A system of symbols or words used to represent other meanings. Sometimes used for the (4 min read).
Blockchains and Distributed Ledger Mark Robson This is the first of many brain dumps of Crypto technologies. Definitions Ledger A book of financial accounts Distributed Shared amongst a number of recipients Cryptography The art of writing or solving secret (2 min read).
React.js Mark Robson In the beginning I was using functions that interacted with the DOM - time consuming and messy. Then we had libraries like jQuery, MooTools, Yahoo etc, equally messy. Then we had MV* such (2 min read).
Functional Programming in Javascript Mark Robson This is my little foray into the world of functional programming. I mean, I was sold when Curry was mentioned. See the source code. Functional programming is one of the original paradigms of (3 min read).
Yarn git+ssh Package Installation, ssh and ~/.ssh/config Mark Robson I've been including some private repos in some work I've been doing recently and Yarn has been spitting its dummy out at packages that begin with 'git+ssh'. The fix locally was to (1 min read).
