We’re going to see how to take a CSV file, parse it into JSON, make some changes, and then convert it back into a CSV file using Node.js and a few readily available packages.Read More
I am pleased to announce that the latest episode of The Polyglot Developer Podcast is available for download! If you’ve been keeping up with the blog recently, I’ve published quite a bit of content around GraphQL as I personally believe it to be the future for API development. Being able to access related and unrelated data on demand through a single endpoint is huge for the people consuming your data and huge for the developers creating the data because of specific model definitions.
In this episode titled, GraphQL for API Development, I’m joined by Lee Byron, one of the co-creators of GraphQL at when he worked at Facebook. Lee gives us all the details on how GraphQL came to be, why it is huge for development, and how to use it successfully in your next application.Read More
Have you ever needed to work with comma separated value (CSV) data that wasn’t formatted in a great way or figure out complete address information based on very little provided address information? While unrelated, these two topics come up quite a bit, more frequently when I’m dealing with person information or lead data that I retrieve from conferences and other events.
The great thing is that we live in a time where plenty of development libraries and services exist to make this process of data parsing and manipulation easy to accomplish in an automated fashion.
We’re going to see how to take a CSV file representing partially complete people data and convert it to JSON. Then we’re going to fill in the gaps when it comes to the geolocation side of things, using the HERE Geocoder API.Read More
Have you ever built an application and decided that you didn’t want to hardcode a bunch of values that might change frequently? The answer is, probably yes. When building a web application, it is common to separate configuration details into a separate file which might contain database information, hostnames, passwords, and anything else that probably shouldn’t exist in the application as hard-coded values.
We’re going to see how to open a JSON configuration file using the Go programming language and load it into a custom data structure to be used throughout the application.Read More
While I don’t see a lot of it anymore, XML is still a common data format that people use. I prefer JSON, but I don’t always have a say in how I receive data. Some time ago I wrote a few tutorials on which include parsing XML data with Node.js, parsing XML data with Java, and parsing XML data with PHP. If you’ve been keeping up, I’ve been doing a lot of development with the Go programming language which is why I think it would be a great idea to go over XML in Golang.
Of the various programming languages, I think XML is the easiest to work with in the Go programming language. We’re going to see how to take XML data and unmarshal it into a custom structure. We’re also going to see how to take JSON data and convert it into XML.Read More
I’ve been hearing a lot about websockets lately and how they can accomplish real time communication between applications and servers. They act as a compliment and possible alternative to RESTful APIs that have been around for significantly longer. With websockets you can do real time messaging for things like chat, communication with IoT, gaming, and a whole lot of other things that need instant communication between clients and the server.
A while back I had played around with websockets and Node.js using a library called Socket.io, but since I’ve been really getting into Golang I wanted to explore websockets using the Go programming language.
We’re going to check out how to create a chat application where the client is an Angular application and the server is a Golang application.Read More
I recently wrote a tutorial for navigating a NativeScript Angular application using the Angular Router. In this tutorial I demonstrated how to create a multiple page application, navigate between pages, and even pass simple string parameters between the pages during navigation. However, what happens when the data you need to pass isn’t so simple?
We’re going to take a look at some of the ways to pass data between routes in a NativeScript application that makes use of Angular.Read More
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