IB Gateway API – Writing algo in a different way

We were implementing a basket trading application with execution through Interactive Brokers Gateway API. Among major features, we had to implement a recuperation of current cash balances and specifying security type for correct symbol matching. Trying to implement the algo logic, we suddenly stuck into…

Ordnance Survey – Map Usage Specifics

While developing a routing engine for a journey planner solution on top of Ordnance Survey mapping data, we faced several challenges and limitations. Here are some of them: Responses from server when dragging the map: Problem: When you drag and drop map too fast, the…

HMRC Gateway API – Optional is Not Necessarily Optional

As a part of our business and industry expertise we program a number of HMRC tax reporting solutions, which utilize GovTalk, for our clients. In the request message there are two optional parameters: TransformationSpecified and CorrelationID. The system was developed by our über-senior guy Alex….

Generating images from PDFs

As we have quite a staff of programmers, we often run into various technical challenges that bring us joy when we overcome them. Today I am going to write about one such recent challenge and how we solved it. We were developing a complex solution…