![]() ![]() Needless to say I’ve been keeping busy in my spare time. Next I had to read through my copies of the EMVCo and ISO 7816 specs and figure out exactly what calls I had to make through my PCSC interop assembly to get all the information. ðŸ™x81Īnyway after a while I managed to create a PCSC interop assembly that allowed me to communicate with my smart card reader correctly in both 32 bit and 64 bit Windows. There were a few samples out there and is always a great resource, but most of the P/Invoke implementations had problems in one way or another, notably using Int rather than IntPtr which meant things didn’t work correctly on 64 bit windows. net which meant lots of P/Invoke calls to the Microsoft Smartcard API’s to access the PC/SC reader hardware. ![]() You will also learn about various performance enhancements you can use with their tradeoffs.įinally, you will learn how to use the new React Context that will ship with React 16.For a little while now I have been working on a utility to allow you to query and view the contents of the chip on your Chip & PIN / EMV smart card. This is another great mechanism, and a more flexible approach as well. So, we will investigate an alternative approach using render props. ![]() While higher order components are a great way of extending components, they aren’t without their drawbacks. First, we will look at creating higher order components like the Redux connect function. Next you will learn about two different ways of adding cross cutting concerns like error handling to React components. We will also take a look at the sorts of errors that componentDidCatch() doesn’t catch for you. Then you will learn how to use the React.Fragment class to reduce the number of DOM nodes you need to create at runtime.Īfter the intro you will learn how to use Reacts Component componentDidCatch() lifecycle function to catch errors and make your applications more resilient to failure. Next, we will look at controlled versus uncontrolled components and when you want to use which of the two options. We will start of simple and compare regular and pure functional components. In this workshop, you are going to learn how to create better React components. ![]()
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