Analytics

SQL window functions are calculation functions similar to aggregate functions but, unlike normal aggregate functions like "group by," have access to individual rows and can even add some of their attributes into the result set. In this article, Toptal Freelance SQL Developer Neal Barnett explains the benefits of SQL functions, describes when you’d use them, and gives you real examples to help with the concepts.

Building a mobile app isn't cheap—and the harsh reality is that most apps fail. Find out how to leverage fundamental analytics metrics to make sure your app actually turns a profit.

Log files may very well be one of the most underestimated and underutilized tools at a developer's disposal. Beyond their value for debugging, with a bit of creativity and forethought, logs files can be leveraged to serve as a valuable source of usage information and analytics. In this article, In this article, Toptal engineer Ilya Sanosyan provides a practical guide to maximizing the value we get from our logs.