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Tuesday, 4 June, 2019 UTC
Web Scraping with Google Sheets: The Definitive Guide
In this tutorial, we learn how to scrape data from web pages and display the results in Google Sheets. We start with the standard built-in Sheets functions and move on to more advanced methods using custom JavaScript functions. What is web scraping, ... moreTuesday, 29 January, 2019 UTC
How to Host a Raspberry Pi Web Server on the Internet with ngrok
In Create a Web Server in Node without any Code, we used the http-server npm module to create a web server and serve up files in record time. Today I will share a way you can take the web server you built and make it available beyond your local network ... moreWednesday, 12 December, 2018 UTC
How to install Redis on a Raspberry Pi using Docker
I'm a big fan of Redis, a fast in-memory database that persists on disk, and I've previously written a Guide to Using Redis with Node.js which provides a fairly comprehensive overview of using Redis from the command line and using it in conjunction with ... moreTuesday, 22 May, 2018 UTC
How to Watch for Files Changes in Node.js
In a previous article on counting unique items in a JavaScript array, I introduced you to the system I am creating that enables our family to log when the fish š in our aquarium have been fed. The feeding times are logged to a file by pressing a push-button ... moreWednesday, 18 April, 2018 UTC
How to Count Unique Items in JavaScript Arrays
The fish š in our home aquarium arenāt very communicative. I donāt necessarily need them to communicate their deepest emotions, but it would be helpful if they would at least tell me when they are hungry. Believe it or not, they donāt. Alas, when I ... moreTuesday, 3 April, 2018 UTC
Learn Handlebars with Node.js and Help Freddy’s Fish Too
Our friend Freddy Fishman needs our help. He recently launched an aquaponics business to raise fish š and cultivate underwater plants, and he needs a real-time report to ensure the environmental conditions of his fish tanks are optimized so both his ... moreTuesday, 20 March, 2018 UTC
Install and Upgrade Node.js on Windows the Easy Way
Itās easy to install and upgrade Node.js on the Raspberry Pi as explained in my guides on installing Node.js and upgrading Node.js on a Raspberry Pi. In fact, itās easy on any Linux-based system. For Windows systems, however, the default installation ... moreTuesday, 6 March, 2018 UTC
Using TOML Config Files in Your Node.js Applications
In this article, weāll learn how to use TOML, a rising star āin the configuration file world, with Node.js. After reading this article, you will understand the TOML syntax including how to use it to model JavaScript objects in your Node applications. ... moreTuesday, 20 February, 2018 UTC
Create a Lightweight Raspberry Pi System with Raspbian Lite
In this tutorial, weāre going to build a highly optimized Raspberry Pi system that runs very lean on resources with the help of Raspbian Lite. Whereas a baseline Raspbian system consumes around 158 MB of RAM, Raspbian Lite runs at a mere 34 MB. To achieve ... moreTuesday, 13 February, 2018 UTC
How to Copy Visual Studio Code with Syntax Highlighting to Other Applications
In this article, we learn how to copy from Visual Studio Code with color syntax highlighting to various other applications including Word, PowerPoint, Outlook, OneNote, and Gmail to achieve beautiful, clear code samples for documentation, presentations, ... moreThursday, 25 January, 2018 UTC
Wednesday, 10 January, 2018 UTC
Guide to Using Redis with Node.js Released
I just completed a pretty extensive Guide to Using Redis with Node.js. In this guide, we explore using Redis, a fast in-memory database that persists on disk, in conjunction with Node.js. We work through real examples to help equip you to: Install Redis ... moreTuesday, 14 March, 2017 UTC
Visual Studio Launch Video with My Son and Me
My son Benjamin (junior in high school) and I received a unique opportunity. We traveled to Microsoftās headquarters in Redmond to conduct an interview in honor of the launch of Visual Studio 2017, and the 20th anniversary of Visual Studio. One of the ... moreTuesday, 7 February, 2017 UTC
Do I Need an Umbrella Today? Google Sheets and JavaScript to the Rescue!
OK, Google Sheets! Send me an email if I need an umbrella today. Send an email using Google Sheets? Yes, thatās right! Sheets can do a lot more than add numbers and calculate your mortgage payments. In our last article, we learned how to consume JSON ... moreTuesday, 24 January, 2017 UTC
Consuming JSON Web Data Using Google Sheets
Iāve said it before, and Iāll say it again. JSON has become the lingua franca for exchanging data on the web, and we (as developers) need to know how to process JSON data received from RESTful web services so we can be positioned for the present and for ... moreTuesday, 10 January, 2017 UTC
Consuming Web API JSON Data Using curl and jq
Hey everyone! I decided to put a few extra batteries in the background color of the article image above. š Iām actually pretty charged up about our topic today, particularly about jq, which is a lightweight and flexible command-line JSON processor with ... moreWednesday, 14 December, 2016 UTC
Creating a Raspberry Pi Pandora Player with Remote Web Control
In our last article, we learned how to control a Raspberry Pi from a mobile device and, as a bonus, we created a menu to make it even easier to issue commands and control our Pi. Weāre back today to put that remote menu to good use because weāre building ... moreTuesday, 6 December, 2016 UTC
Controlling a Raspberry Pi from a Mobile Device with Bonus Menu Too
In my Beginnerās Guide to Installing Node.js on a Raspberry Pi, I equipped you with the knowledge needed to build an awesome Raspberry Pi system that could also run in a headless mode. Weāre able to avoid a dedicated monitor, keyboard, and mouse, and ... moreTuesday, 29 November, 2016 UTC
Consuming Node.js Microservices Created with Stdlib
In our last article, we learned how to create Node.js microservices using Polybitās stdlib platform. We created a fabulous (IMHO š ) GPS service that enabled us to retrieve the name of a city based on its GPS coordinates. Today, weāre going to learn ... moreTuesday, 22 November, 2016 UTC
Node.js: Playing Sounds to Provide Notifications
In a previous tutorial, we learned how to send email notifications Using Nodemailer and Gmail. In todayās session, we will learn how to play sounds using Node.js. As a bonus, we will learn how to continue to play a sound until our notification has been ... moreTuesday, 15 November, 2016 UTC
Creating Node.js Microservices with Ease Using Stdlib
Microservices and serverless architectures are all the rage in the software industry. After working with Polybitās amazing stdlib platform, I am clearly seeing the value of this promising technology! Today, I will introduce you to stdlib. I encourage ... moreFriday, 28 October, 2016 UTC
Upgrading to more recent versions of Node.js on the Raspberry Pi
Iāve received questions from readers of my Beginnerās Guide to Installing Node.js on a Raspberry Pi wanting to know how to upgrade to more recent versions of Node.js on the Raspberry Pi. The steps are quite easy and can be adapted to other Debian variants ... moreThursday, 27 October, 2016 UTC
Beginner’s Guide to Installing Node.js on a Raspberry Pi
This article has been updated to cover the installation of the latest version of Node at the time of this writing which is Node 7.x. In this installment of our LTM (Learning through Making) series of Node.js tutorials, weāre going to get Node up and running ... moreWednesday, 26 October, 2016 UTC
How to Install or Upgrade to Node.js v7 on the Raspberry Pi
Itās here! The Node.js Foundation has released version 7 of Node.js, an open-source, cross platform JavaScript runtime environment. Node.js provides an event-driven architecture capable of asynchronous I/O and allows us to build a gamut of software from ... moreTuesday, 11 October, 2016 UTC
Node.js: Sending Email Notifications Using Nodemailer and Gmail
We all want to be in the loop and notified when certain events occur within our Node.js programs. For example, email notifications can be very important for creating situational awareness with IoT systems we develop that interact with our physical world. ... moreTuesday, 20 September, 2016 UTC
Connecting a Raspberry Pi Using an Ethernet Crossover Cable and Internet Connection Sharing
Iām preparing for an upcoming speaking engagement around the topic of using Node.js and the Raspberry Pi for IoT applications. While at home, I enjoy the luxury of being the owner of my network which provides complete freedom in network configuration. ... moreTuesday, 13 September, 2016 UTC
Getting Started with YAML in Node.js using js-yaml
In this tutorial, we harness the power of YAML for use within Node.js. As described on the official YAML site, YAML (YAML Aināt Markup Language) is a āhuman friendly data serialization standard for all programming languagesā. YAML and JSON are closely ... moreTuesday, 6 September, 2016 UTC
Node.js IoT: Logging Data That Is Out of This World
The ability to log data is an important capability in IoT applications. In this tutorial, we learn how to use Node.js to log data by utilizing built-in Node modules. There are certainly excellent logging modules available including pino and Winston (see ... moreTuesday, 30 August, 2016 UTC
Making Interactive Node.js Console Apps That Listen for Keypress Events
In preparing for an upcoming Node.js IoT tutorial focused on creating notifications based on sensor values (for example, audible alerts), I wave of brilliance came over me. š Wouldnāt it be awesome if these notifications could be interactively acknowledged ... moreTuesday, 16 August, 2016 UTC