When it comes to fast changing data for online financial applications, software developers know how challenging it can be to deliver excellent performance, especially when web technologies are involved. On the one hand, real-time data must be streamed efficiently over the Internet through firewalls and proxies to reach the users’ desktop or mobile device. On…
It has been five months since the public release of Lightstreamer 6.0. To make the upgrade process simpler and faster, a few weeks ago we made available an online tool, which automatically converts Lightstreamer 5.1.2 configuration files to version 6.0. Using the tool is straightforward. Just go to https://service.lightstreamer.com/ConfigUpgrade/ and follow the online instructions. You will be able…
In the recent past we have received inquiries from customers and other people asking us to show how to implement full Market Depth, an advanced financial trading feature, with Lightstreamer. We think this is the time to present an example that, in addition to the classic StockList Demo and Portfolio Demo, demonstrates how well the Lightstreamer technology can…
With the release of version 6.0 final, mobile push notifications (MPN for short) are now an integral part of Lightstreamer. Since our original post about 6.0 alpha, the MPN APIs have been streamlined, enhanced and extended to Android. With this blog post we take a second look at these new functionality, with code samples for both iOS/OS…
Remember our blog post about developing iOS apps with Swift and Lightstreamer? It was 7 months ago, Swift had been introduced by Apple only a few weeks before, and object-oriented programming fans (like me) were wondering why there was no support for structured exception handling. Our iOS and OS X client libraries used to rely on…
As most (if not all) of you know, PHP is a widely adopted server-side scripting language, mainly focused on web development through the availability of web server native’s module.However, PHP could also be used for command-line scripting through the PHP Commnad Line Interface. This way you can leverage its power and simplicity to create general-purpose applications…
In this post we are going to make a simple exercise to show how quickly you can integrate Lightstreamer with Ember.js, a popular JavaScript MVC framework aimed at making easier the development of so-called Single Page Applications. Let’s start by delving into the code example. The Application Code As required by every Ember application, we first need to…
A few months ago, I stumbled upon an interesting article by Eric Li titled “Optimizing WebSockets Bandwidth” [1]. Eric mentions how the advent of WebSockets has made it easier to develop HTML5 multiplayer games. But delivering the positional and rotational data for each player in a 3D game can consume a lot of bandwidth. Eric…