FinTech Hackathon NYC – Live Blog

4:30PM - Prize for best use of Caplin Technology The winner was a team calling themselves FinGraph - they did an interesting visualization of quoted companies that created a spider diagram showing their key supplier/partner relationships (e.g. Apple and AMD). They used a Cypher ...Read More

Welcome to Caplin Labs!

Caplin Labs are open! We invite you to take a moment to visit the labs and check out the current lab projects. Adam Iley, Technical Team Lead at Caplin, welcomes people to visit the labs: "The ...Read More

Callback hell is a design choice.

Repeated comments and blog posts about the "callback hell" problem in JavaScript on sites such as HN and Reddit have really baffled this JavaScript programmer. Callback hell is where you call an asynchronous function which provides the result of its computation via a ...Read More

Testing by Contract in StreamLink JS

StreamLink for Browsers (SL4B) is the JavaScript library that we use to stream data from our server-side Liberator to our client side applications. It provides a simple API for client applications to interact with the financial (or other) data that they are interested in. StreamLink ...Read More

WebDriver, Chrome and Comet Servers

After spending about 3 hours of my day smashing my head against a really tricky little problem in WebDriver I thought I better just write a quick blog to try and warn other weary travellers. The WebDriver findElements() function was incredibly slow. Sometimes it ...Read More

Event Hub – Pub/Sub in the browser

Today, I'd like to talk about EventHub, our in-browser publish/subscribe system. EventHub does a very similar thing to OpenAjax Hub, but for slightly different reasons. Whereas OpenAjax Hub is designed to allow mash-ups of co-operating components from different sites, EventHub is used ...Read More

Getting started with ClojureScript

ClojureScript is a Clojure to JavaScript compiler which has gained a considerable amount of traction since its release in July of last year. It provides a way for developers to write a web-application in a large subset of Clojure and then compile it ...Read More