When it is too late to look back?

A while ago we’ve received a request from one of the 🇨🇭Swiss startups that needed a technical support of their newly developed solution. This product was in an MVP stage, built by some Asian team, but was really unstable as struggled with various issues and…

Icons parabola

In a modern world of UI and graphic design, no one can hardly imagine a user interface without an icon. Starting from the early pre-IT era we were using icons even though we never used this exact meaning. Traffic signs, metro signs, emergency exit circuits…

Dealing with audio in HTML5 apps

While everyone was preparing for ICE Totally Gaming, we at OB&T were busy helping exhibitors to prepare their gaming solutions. One of our clients requested to adopt his legacy HTML5 game to support modern iOS devices such iPhones and IPads. Lond story short – we…

Chat Bot for Infrastructure Management

Everyone is definitely familiar with all those great development and infrastructure tools that should be used when you create and/or maintain a mature software solution. Some of them are integrated with each other, like Atlassian stack, some require additional tweaking, as AWS and other monitoring…

Moving to a new iOS

While you are developing for iOS you are regularly facing the new iOS version releases. Some of them go smooth and your initially built app continues working fine. Like, you can simply skip newly deprecated functions. However, major versions may simply not allow your application…

Blockchain it or not?

Blockchain is the hottest guy on the block (pun intended) when it comes to financial technology. It was the main technological innovation of bitcoin, where it serves as the public ledger of all bitcoin transactions. And now it is being actively used in electronic trading…

IB TWS – Forever up! Fixing disconnect routine

Imagine you need to create an algo tool that should work with Interactive Brokers through Trading Workstation API. Nothing complex, right – so, you develop the tool, test it using the paper account, all goes smoothly and you’re ready to go live. However, once done…

Silverlight to HTML5

A while ago we faced a task of converting Silverlight front-end application into HTML5. Apart from the fact that app was 100% based on Silverlight 5, it used third-party components like Telerik, KML files read/write utilities, Spatial data processing utilities, MS Map Controls, PRISM (MS…

Slow JQuery hide and show

Very often it is very important for UIs in web apps to show and hide blocks of content. However, it turned out that iPad-versions of the same menus work about 1 second longer than desktop versions of the same web app. Real-life variations can be…

Create stock charts based on Yahoo! Finance? Piece of cake!

We needed to build a dynamic chart with some historical stocks data showing a daily performance of individual stocks, indices, and portfolio. HighStocks js lib was chosen, and Yahoo! Finance was used to get historical EOD data for NASDAQ stocks to minimise support costs for…