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Unit Testing Angular 2.0.x Components using TestBed and ComponentFixture

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Note – This article is an updated version of the rc1 version, and as such it now covers Angular 2.0.1 and above, the official release of 2.0. The main difference here is the way the framework is started, using the TestBed API. Testing Components In my last post, I discussed how to write tests in Angular 2 based on the new Angular 2.0 TestBed API. We learned how to stand up a service using the TestBed’s configureTestingModule API, injecting the…

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Building our first tvOS app

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When the 4th-generation Apple TV and tvOS were released, anyone could write apps for the TV, not just Apple partners. I decided to write an app to make ETE presentations and other Chariot content available though an app. (Now I can catch up on presentations while relaxing on the couch.) In this post I’ll take a quick look at some of the architecture choices made when building our first tvOS app.

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Social Engineering at DEFCON

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Hello, Dave? My name is Larry Smith and I am calling from WZT, the company handling RTD’s HR. There have been a number of complaints regarding the on-boarding process. Now how long have you been with this company? – Three months. Ok, great, so when you started what kind of training were you provided? – We had one training session. Ok, great and what are your working hours: – 8 – 5, lunch break with two smoking breaks And for…

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Simply explained: Akka Streams Backpressure

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Backpressure Food for thought Very simply put, the idea behind backpressure is the ability to say "hey slow down!". Let's start with an example that has nothing to do with software: Imagine you own a factory that produces doughnuts (lucky you!) and just signed a contract with the largest grocery chain in the Northeast US. To increase output, you decided to overhaul your existing factory and open a new one. Late Monday evening you get a text "Emergency! Get to…

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The Internet Of Things with Scala – Part 2

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This is a continuation of my Internet of Things with Scala posting. In this installment I will go over the assembly of the device that will be used to capture the soil moisture data and send it to an MQTT broker so that it may be picked up by the Scala/Akka based application. The Parts The main component of the soil sensor module will be the Particle Photon pictured below: Image from SparkFun by Juan Pena licensed under the CC…

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What LightBend's next round of financing means to the Software Development World

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Last week, Lightbend (formerly Typesafe) received a cash infusion of $20M from investors (see announcement here). At Chariot, we are happy for our partner. More than that, we believe that it signals a growing trend of the importance of the convergence of IoT, mobile and the collection and use of data in real time. IDC has predicted that the IoT market will be $2.2 trillion dollars in the next four years. With a wide array of industries looking to utilize…

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