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Interacting with a real database during integration and end-to-end testing can pose distinct challenges. An effective workaround is to use an in-memory database that integrates seamlessly with your testing framework and provides APIs for manipulating state directly from your test code.

In this article, Toptal Software Engineer Mikhail Angelov demonstrates how to do just that—and how to write straightforward integration and end-to-end tests for Node.js and MongoDB applications without the need for complicated setup/teardown code.

Polished design wireframes are great but don’t reveal the work that goes into research and content organization. See how a thorough approach to early project planning leads to successful website redesign.

In an era of subdued prices and with usage expected to plateau within the next 30 years, the focus for oil and gas companies must turn to cost control. Applying technological innovations such as blockchains, wearables, and advanced analytics to the supply chain can keep costs in check and maintain profitability.

UX testing is a crucial step in the design process but is often overlooked for tight budgets or deadlines. You do not need a formal lab to do quality research—just the right tools and a clear plan.

Digital Transformation captures countless trends and emerging technologies, but what are the main forces driving it and how are companies responding? In this article we explore the recent evolution of product development within enterprise IT, the leading companies driving new trends, and a deeper case study of one company that adeptly navigated with guidance from on-demand talent.

Latin America boasts great investment opportunities with attractive risk levels, higher returns than home markets, and access to a large population base with growing income. However, Latin American acquisitions require special attention and include a number of difficulties unique to the region.

This article provides insights gleaned from Management Consultant Emilio Labrador’s 15 years of experience in Latin American oil and gas M&A. It provides practical tips for foreign acquirers considering investments in Latin America, on topics ranging from risk premiums in valuation, accounting due diligence, and legal considerations.

Human cognition is complex, and many factors play into instant impressions. Design psychology is coming to the forefront as more and more companies are using neuroscience to design better user experiences. 🔊

In December 2017, Congress’ tax reform bill, amongst many sweeping changes, reduced the marginal tax rate to 21% from 35% for corporations, and limited their use of interest expense as a tax shield.

This article explores the implications of these changes for traditional methods of valuation, including the discounted cash flow (DCF) method and the EBITDA multiple method for the corporate manager and finance professional.

The market share for mobile and desktop browsing is about 50/50. For designers, this means responsive design is more important than ever, as users expect a seamless experience across all platforms and screen sizes.

Virtual reality stands to make a huge impact in the field of pain management. Through the power of play and distraction, VR therapy can serve as an important tool in the fight against the opioid epidemic.

Launch yourself into Ethereum smart contract development with the Truffle framework! In this tutorial, Toptal Freelance Ethereum Developer Radek Ostrowski shows you how to create a practical ĐApp in the Solidity language, complete with its own ERC20 token.