Toptal Blog

The goal of this article is to introduce you to the underlying principles of accessibility and help you flawlessly implement web accessibility guidelines and standards on your next project. Even minor improvements can help your content rank better, reach more people, and improve the overall user experience.

The Hungarian graph algorithm solves the linear assignment problem in polynomial time. By modeling resources (e.g., contractors and available contracts) as a graph, the Hungarian algorithm can be used to efficiently determine an optimum way of allocating resources.

This article will give you an introduction to the principles behind public-key cryptosystems and introduce you to the Santana Rocha-Villas Boas (SRVB) cryptosystem, developed by the author of the article and prof. Daniel Santana Rocha. The algorithm authors are making a campaign that includes a financial reward to anyone who manages to crack the code.

Spring Boot provides beneficial error messages to engineers building REST APIs. Yet, those messages are useless for the general API consumer. We provide a simple approach to improving this functionality.

In this article, I will try to give you a good understanding of which scenarios could be covered by Celery. Not only will you see interesting examples, but will also learn how to apply Celery with real world tasks such as background mailing, report generation, logging and error reporting. I will share my own way of testing tasks beyond emulation and explain a few tricks that go beyond the official documentation and took me hours of research to discover myself.

EBITDA is one of the most common metrics in finance. However, while intended to provide a “cleaner” picture of operating performance than net income, in reality it often achieves the opposite effect. It is also in many cases a questionable proxy for cash flow, as well as a dubious valuation tool.

Sketch is not a complex tool, but it’s array of features can save you a lot of time – especially Symbols. In this tutorial, learn how to nest symbols in Sketch.

Designers love Sketch for its simplicity. They love it thanks to its plugins, which add numerous features. Here are 50 of the very best plugins for Sketch.

Though traditional economic theory posits that individuals are rational, we all know this to be an oversimplification of the truth. The cyclical investment process is rife with psychological pitfalls. Only by becoming aware of and actively avoiding innate behavioral biases can investors reach impartial decisions. Herein lies the true value of the emerging field of behavioral finance, which sheds light on investor psychology and true financial behavior.