Node-RED exposes an extensive API at runtime. While most of this is _not_ available within your flows, much of it _is_ available to custom nodes. Unfortunately, documentation for the API lags behind development. This page documents some of the key things I've learned about the API, what it does and how it works.

A list of some tutorials and courses for learning Node-RED and Node.JS, maybe some web stuff too.

Some examples of using AngularJS with the Node-RED Dashboard. Not all features of Angular are accessible via the Dashboard.

Some hints for debugging Node-RED flows

While Node-RED has some nodes for extracting data from HTML, the nodes are rather simplistic. Here is a quick way to extract the data from an HTML table element.

The ACE editor is used in the function node to help you create well-formed JavaScript. However, there are now a number of different versions of JavaScript and it is sometimes helpful to use slightly different styles of coding to the defaults.

Some detail not included in the documentation.

Node-RED Questions and Answers. Node-RED is a flow-based (visual) programming tool. These pages have some information that may be currently missing from the documentation or may expand on it.

JSONata is a syntax designed by IBM to help reformat and restructure JSON data in a similar vein to the way that XLST is used to transform XML data.

Node-RED tried to pass messages by reference not copy. Sometimes though, a copy is needed.

There are already too many people putting up insecure services over the Internet. Please don't add to this problem. This article explains a simple way to get some level of connectivity to Node-RED over the Internet without security issues. It also explains some of the wider issues and where to go for more details.

People seem to get very confused about file permissions when installing Node-RED and associated nodes. This article tries to set things straight.

Excellent work has been done to make sure that new nodes are discoverable. Here is a quick way to easily search from your browser.

Node-RED passes a msg object between node instances in a flow. It is common to need to extract a sub-string and there are multiple ways to achieve this. Here are some simeple examples.

Shows how to create a secure set of home automation controls without exposing Node-RED to the Internet. It uses a Telegram bot with a number of pre-defined commands.

Using the Visual Studio Code debugger to debug Node-RED issues

Example code to add to every page as a footer to enable the Disqus comments service.

Jekyll is built on Ruby which is a pain to work with on Windows. It also doesn't match my chosen development language of JavaScript. Here are some possible alternatives to Jekyll along with some strengths and weaknesses.

If you want to generate a table of contents list (toc) for a markdown file, you can use the native Kramdown feature.

While sites generated using GitHub pages can use Jekyll to enhance them, there are some limitations and, it seems, a number of problems.

Hints and tips on using Jekyll for publishing to GitHub Pages.

A comprehensive list of filters available to modify/format Jekyll variables.

This is a list of `tags` that can be used in Jekyll.

The following code automatically generates a list of collection documents. It assumes that the collection uses `output: true` and optionally includes a collection title and description defined in the `_config.yml` configuration file.

The following code automatically generates a list of pages that exist in a given folder.

Some reference sites and links for Jekyll, Liquid and GitHub Pages.

These are the default attributes (variables) that you get with each part of the Jekyll domain.

GitHub pages use Jekyll but not all features are available. This page is for testing what works and what doesn\'t

Testing collections and page variables - this page is in a collection and is a markdown file

Testing collections and page variables - this page is in a collection and is an HTML file

Visual Studio Code is an Integrated Development Environment (IDE) or code editor that is open source and actively developed by Microsoft. These articles contain ideas, hints, tips and knowledge about it and how to use it.

VSCode supports multi-cursor editing, here are some tips on using it.

GitHub pages use Jekyll but not all features are available. This page is for testing what works and what does not

Testing collections and page variables - this page is an actual Jekyll Page and is in a folder, it is a markdown file

Testing collections and page variables - this page is in an actual Jekyll Page and is in a folder, it is an HTML file