Apache CloudStack is open source software designed to deploy and manage large networks of virtual machines, as a highly available, highly scalable Infrastructure as a Service (IaaS) cloud computing ...

Apache Lucene is a high-performance, full-featured text search engine library written in Java. We'll assume that you know how to get and set up the JDK - if you don't ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Flex loans can offer quick access to cash, but there are potential risks Carrie Pallardy has more than nine years of experience writing about a range of topics, including healthcare and cybersecurity.

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Flex dollars are electronic currency issued by schools or employers for specific expenses.