APIs for the Internet of Things

Max Katz

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This video shows how to invoke a REST API from the Server Code script. There are a number of benefits to invoke a REST API from the server instead of directly from the client: JavaScript is the language used to write the script Additional business logic can be added around the API. For example, in addition to sending an SMS, you can also send an email (SendGrid API) The API keys and tokens are secure Script is exposed via REST API (to be invoked from the app) Script has API to access Appery.io Database, Push A script can be saved as a library and used in other scripts Script changes can be made without updating the client (app) ... (more)

How to Host Your HTML5 Mobile App

When you build HTML5 mobile app in Appery.io you can instantly publish (host) the app to a URL. You get a couple of options here. First, out of the box you can publish your app to Appery.io URL such as mycoolapp.app.appery.io or you can also use a custom domain: Appery.io hosting   Second, you can also publish the app Heroku. Once you sign into Heroku from Appery.io, the app will be pushed and published to Heroku. There is also a third option that allows you to publish the app to any hosting provider of your choice. Simply export the app as HTML/JavaScript/CSS: Export as HTML/... (more)

Instantly Build REST APIs with Server Code

The Appery.io Server Code allows to build any app logic and instantly expose it via REST APIs. You use Javascript to write the script which runs on the server. You don’t need to worry about deploying or running any servers, all is done in the Appery.io cloud. An example is the best way to show it, so let’s do that. To keep the example simple, let’s say we wan to build an API (script) that takes a developer’s name returns a greeting and also returns the time when the greeting occurred. It’s basically your HelloWorld example. To create a new Server Code script you just need to clic... (more)

Introducing Tiggr – Create and Share Mockups in Real Time

As the creators of RichFaces, Exadel is involved in a large number of projects where RichFaces is being used. In most cases, the development is done by remote teams where the customer is working with Exadel’s teams in Eastern Europe. In some instances one or more developer could be at the customer site as well. One of the challenges that we always faced is how to create page mockups when working with remote teams. The usual approach is for a designer to create mockups in some format and then email them to the team or the manager for feedback and review. Of course this approach p... (more)

Book Review: JSF 2.0 Cookbook

Last July, I was asked to review JSF 2.0 Cookbook by Anghel Leonard. I finally found time to finish reading the book and wrote a review. (If you are interested, back in April I reviewed another book from Packt Publishing: JSF 1.2 Components.) Chapter 1 – Using Standard and Custom Converters in JSF The chapter covers how to use standard converters and how to build custom converters. The author does a good job covering the standard out-of-the-box converters with a number of examples. The chapter then shows how to create your own custom converter. There are a number of small typos, b... (more)